From 9c304188620f4c6dbfa8f24abb5bb6a1d9f94438 Mon Sep 17 00:00:00 2001
From: Brian Peiris <brianpeiris@gmail.com>
Date: Mon, 29 Jan 2018 17:38:07 +0000
Subject: [PATCH] Use aframe from aframe-xr. Hide environment in AR
---
package.json | 1 +
src/assets/aframe.js | 82045 +++++++++++++++++++++++++++++++++++++++++
src/room.js | 2 +-
src/utils/webgl.js | 1 -
templates/room.hbs | 7 +
yarn.lock | 10 +
6 files changed, 82064 insertions(+), 2 deletions(-)
create mode 100644 src/assets/aframe.js
diff --git a/package.json b/package.json
index f8bfd556c..fdee8b0ba 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,7 @@
"aframe-extras": "^3.12.4",
"aframe-input-mapping-component": "https://github.com/johnshaughnessy/aframe-input-mapping-component#23e2855",
"aframe-teleport-controls": "https://github.com/netpro2k/aframe-teleport-controls#feature/teleport-origin",
+ "aframe-xr": "^0.0.8",
"extract-text-webpack-plugin": "^3.0.2",
"material-design-lite": "^1.3.0",
"minijanus": "^0.1.6",
diff --git a/src/assets/aframe.js b/src/assets/aframe.js
new file mode 100644
index 000000000..b49e048c6
--- /dev/null
+++ b/src/assets/aframe.js
@@ -0,0 +1,82045 @@
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.AFRAME = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
+(function (process){
+/**
+ * Tween.js - Licensed under the MIT license
+ * https://github.com/tweenjs/tween.js
+ * ----------------------------------------------
+ *
+ * See https://github.com/tweenjs/tween.js/graphs/contributors for the full list of contributors.
+ * Thank you all, you're awesome!
+ */
+
+
+var _Group = function () {
+ this._tweens = {};
+ this._tweensAddedDuringUpdate = {};
+};
+
+_Group.prototype = {
+ getAll: function () {
+
+ return Object.keys(this._tweens).map(function (tweenId) {
+ return this._tweens[tweenId];
+ }.bind(this));
+
+ },
+
+ removeAll: function () {
+
+ this._tweens = {};
+
+ },
+
+ add: function (tween) {
+
+ this._tweens[tween.getId()] = tween;
+ this._tweensAddedDuringUpdate[tween.getId()] = tween;
+
+ },
+
+ remove: function (tween) {
+
+ delete this._tweens[tween.getId()];
+ delete this._tweensAddedDuringUpdate[tween.getId()];
+
+ },
+
+ update: function (time, preserve) {
+
+ var tweenIds = Object.keys(this._tweens);
+
+ if (tweenIds.length === 0) {
+ return false;
+ }
+
+ time = time !== undefined ? time : TWEEN.now();
+
+ // Tweens are updated in "batches". If you add a new tween during an update, then the
+ // new tween will be updated in the next batch.
+ // If you remove a tween during an update, it will normally still be updated. However,
+ // if the removed tween was added during the current batch, then it will not be updated.
+ while (tweenIds.length > 0) {
+ this._tweensAddedDuringUpdate = {};
+
+ for (var i = 0; i < tweenIds.length; i++) {
+
+ if (this._tweens[tweenIds[i]].update(time) === false) {
+ this._tweens[tweenIds[i]]._isPlaying = false;
+
+ if (!preserve) {
+ delete this._tweens[tweenIds[i]];
+ }
+ }
+ }
+
+ tweenIds = Object.keys(this._tweensAddedDuringUpdate);
+ }
+
+ return true;
+
+ }
+};
+
+var TWEEN = new _Group();
+
+TWEEN.Group = _Group;
+TWEEN._nextId = 0;
+TWEEN.nextId = function () {
+ return TWEEN._nextId++;
+};
+
+
+// Include a performance.now polyfill.
+// In node.js, use process.hrtime.
+if (typeof (window) === 'undefined' && typeof (process) !== 'undefined') {
+ TWEEN.now = function () {
+ var time = process.hrtime();
+
+ // Convert [seconds, nanoseconds] to milliseconds.
+ return time[0] * 1000 + time[1] / 1000000;
+ };
+}
+// In a browser, use window.performance.now if it is available.
+else if (typeof (window) !== 'undefined' &&
+ window.performance !== undefined &&
+ window.performance.now !== undefined) {
+ // This must be bound, because directly assigning this function
+ // leads to an invocation exception in Chrome.
+ TWEEN.now = window.performance.now.bind(window.performance);
+}
+// Use Date.now if it is available.
+else if (Date.now !== undefined) {
+ TWEEN.now = Date.now;
+}
+// Otherwise, use 'new Date().getTime()'.
+else {
+ TWEEN.now = function () {
+ return new Date().getTime();
+ };
+}
+
+
+TWEEN.Tween = function (object, group) {
+ this._object = object;
+ this._valuesStart = {};
+ this._valuesEnd = {};
+ this._valuesStartRepeat = {};
+ this._duration = 1000;
+ this._repeat = 0;
+ this._repeatDelayTime = undefined;
+ this._yoyo = false;
+ this._isPlaying = false;
+ this._reversed = false;
+ this._delayTime = 0;
+ this._startTime = null;
+ this._easingFunction = TWEEN.Easing.Linear.None;
+ this._interpolationFunction = TWEEN.Interpolation.Linear;
+ this._chainedTweens = [];
+ this._onStartCallback = null;
+ this._onStartCallbackFired = false;
+ this._onUpdateCallback = null;
+ this._onCompleteCallback = null;
+ this._onStopCallback = null;
+ this._group = group || TWEEN;
+ this._id = TWEEN.nextId();
+
+};
+
+TWEEN.Tween.prototype = {
+ getId: function getId() {
+ return this._id;
+ },
+
+ isPlaying: function isPlaying() {
+ return this._isPlaying;
+ },
+
+ to: function to(properties, duration) {
+
+ this._valuesEnd = properties;
+
+ if (duration !== undefined) {
+ this._duration = duration;
+ }
+
+ return this;
+
+ },
+
+ start: function start(time) {
+
+ this._group.add(this);
+
+ this._isPlaying = true;
+
+ this._onStartCallbackFired = false;
+
+ this._startTime = time !== undefined ? time : TWEEN.now();
+ this._startTime += this._delayTime;
+
+ for (var property in this._valuesEnd) {
+
+ // Check if an Array was provided as property value
+ if (this._valuesEnd[property] instanceof Array) {
+
+ if (this._valuesEnd[property].length === 0) {
+ continue;
+ }
+
+ // Create a local copy of the Array with the start value at the front
+ this._valuesEnd[property] = [this._object[property]].concat(this._valuesEnd[property]);
+
+ }
+
+ // If `to()` specifies a property that doesn't exist in the source object,
+ // we should not set that property in the object
+ if (this._object[property] === undefined) {
+ continue;
+ }
+
+ // Save the starting value.
+ this._valuesStart[property] = this._object[property];
+
+ if ((this._valuesStart[property] instanceof Array) === false) {
+ this._valuesStart[property] *= 1.0; // Ensures we're using numbers, not strings
+ }
+
+ this._valuesStartRepeat[property] = this._valuesStart[property] || 0;
+
+ }
+
+ return this;
+
+ },
+
+ stop: function stop() {
+
+ if (!this._isPlaying) {
+ return this;
+ }
+
+ this._group.remove(this);
+ this._isPlaying = false;
+
+ if (this._onStopCallback !== null) {
+ this._onStopCallback.call(this._object, this._object);
+ }
+
+ this.stopChainedTweens();
+ return this;
+
+ },
+
+ end: function end() {
+
+ this.update(this._startTime + this._duration);
+ return this;
+
+ },
+
+ stopChainedTweens: function stopChainedTweens() {
+
+ for (var i = 0, numChainedTweens = this._chainedTweens.length; i < numChainedTweens; i++) {
+ this._chainedTweens[i].stop();
+ }
+
+ },
+
+ delay: function delay(amount) {
+
+ this._delayTime = amount;
+ return this;
+
+ },
+
+ repeat: function repeat(times) {
+
+ this._repeat = times;
+ return this;
+
+ },
+
+ repeatDelay: function repeatDelay(amount) {
+
+ this._repeatDelayTime = amount;
+ return this;
+
+ },
+
+ yoyo: function yoyo(yoyo) {
+
+ this._yoyo = yoyo;
+ return this;
+
+ },
+
+ easing: function easing(easing) {
+
+ this._easingFunction = easing;
+ return this;
+
+ },
+
+ interpolation: function interpolation(interpolation) {
+
+ this._interpolationFunction = interpolation;
+ return this;
+
+ },
+
+ chain: function chain() {
+
+ this._chainedTweens = arguments;
+ return this;
+
+ },
+
+ onStart: function onStart(callback) {
+
+ this._onStartCallback = callback;
+ return this;
+
+ },
+
+ onUpdate: function onUpdate(callback) {
+
+ this._onUpdateCallback = callback;
+ return this;
+
+ },
+
+ onComplete: function onComplete(callback) {
+
+ this._onCompleteCallback = callback;
+ return this;
+
+ },
+
+ onStop: function onStop(callback) {
+
+ this._onStopCallback = callback;
+ return this;
+
+ },
+
+ update: function update(time) {
+
+ var property;
+ var elapsed;
+ var value;
+
+ if (time < this._startTime) {
+ return true;
+ }
+
+ if (this._onStartCallbackFired === false) {
+
+ if (this._onStartCallback !== null) {
+ this._onStartCallback.call(this._object, this._object);
+ }
+
+ this._onStartCallbackFired = true;
+ }
+
+ elapsed = (time - this._startTime) / this._duration;
+ elapsed = elapsed > 1 ? 1 : elapsed;
+
+ value = this._easingFunction(elapsed);
+
+ for (property in this._valuesEnd) {
+
+ // Don't update properties that do not exist in the source object
+ if (this._valuesStart[property] === undefined) {
+ continue;
+ }
+
+ var start = this._valuesStart[property] || 0;
+ var end = this._valuesEnd[property];
+
+ if (end instanceof Array) {
+
+ this._object[property] = this._interpolationFunction(end, value);
+
+ } else {
+
+ // Parses relative end values with start as base (e.g.: +10, -3)
+ if (typeof (end) === 'string') {
+
+ if (end.charAt(0) === '+' || end.charAt(0) === '-') {
+ end = start + parseFloat(end);
+ } else {
+ end = parseFloat(end);
+ }
+ }
+
+ // Protect against non numeric properties.
+ if (typeof (end) === 'number') {
+ this._object[property] = start + (end - start) * value;
+ }
+
+ }
+
+ }
+
+ if (this._onUpdateCallback !== null) {
+ this._onUpdateCallback.call(this._object, value);
+ }
+
+ if (elapsed === 1) {
+
+ if (this._repeat > 0) {
+
+ if (isFinite(this._repeat)) {
+ this._repeat--;
+ }
+
+ // Reassign starting values, restart by making startTime = now
+ for (property in this._valuesStartRepeat) {
+
+ if (typeof (this._valuesEnd[property]) === 'string') {
+ this._valuesStartRepeat[property] = this._valuesStartRepeat[property] + parseFloat(this._valuesEnd[property]);
+ }
+
+ if (this._yoyo) {
+ var tmp = this._valuesStartRepeat[property];
+
+ this._valuesStartRepeat[property] = this._valuesEnd[property];
+ this._valuesEnd[property] = tmp;
+ }
+
+ this._valuesStart[property] = this._valuesStartRepeat[property];
+
+ }
+
+ if (this._yoyo) {
+ this._reversed = !this._reversed;
+ }
+
+ if (this._repeatDelayTime !== undefined) {
+ this._startTime = time + this._repeatDelayTime;
+ } else {
+ this._startTime = time + this._delayTime;
+ }
+
+ return true;
+
+ } else {
+
+ if (this._onCompleteCallback !== null) {
+
+ this._onCompleteCallback.call(this._object, this._object);
+ }
+
+ for (var i = 0, numChainedTweens = this._chainedTweens.length; i < numChainedTweens; i++) {
+ // Make the chained tweens start exactly at the time they should,
+ // even if the `update()` method was called way past the duration of the tween
+ this._chainedTweens[i].start(this._startTime + this._duration);
+ }
+
+ return false;
+
+ }
+
+ }
+
+ return true;
+
+ }
+};
+
+
+TWEEN.Easing = {
+
+ Linear: {
+
+ None: function (k) {
+
+ return k;
+
+ }
+
+ },
+
+ Quadratic: {
+
+ In: function (k) {
+
+ return k * k;
+
+ },
+
+ Out: function (k) {
+
+ return k * (2 - k);
+
+ },
+
+ InOut: function (k) {
+
+ if ((k *= 2) < 1) {
+ return 0.5 * k * k;
+ }
+
+ return - 0.5 * (--k * (k - 2) - 1);
+
+ }
+
+ },
+
+ Cubic: {
+
+ In: function (k) {
+
+ return k * k * k;
+
+ },
+
+ Out: function (k) {
+
+ return --k * k * k + 1;
+
+ },
+
+ InOut: function (k) {
+
+ if ((k *= 2) < 1) {
+ return 0.5 * k * k * k;
+ }
+
+ return 0.5 * ((k -= 2) * k * k + 2);
+
+ }
+
+ },
+
+ Quartic: {
+
+ In: function (k) {
+
+ return k * k * k * k;
+
+ },
+
+ Out: function (k) {
+
+ return 1 - (--k * k * k * k);
+
+ },
+
+ InOut: function (k) {
+
+ if ((k *= 2) < 1) {
+ return 0.5 * k * k * k * k;
+ }
+
+ return - 0.5 * ((k -= 2) * k * k * k - 2);
+
+ }
+
+ },
+
+ Quintic: {
+
+ In: function (k) {
+
+ return k * k * k * k * k;
+
+ },
+
+ Out: function (k) {
+
+ return --k * k * k * k * k + 1;
+
+ },
+
+ InOut: function (k) {
+
+ if ((k *= 2) < 1) {
+ return 0.5 * k * k * k * k * k;
+ }
+
+ return 0.5 * ((k -= 2) * k * k * k * k + 2);
+
+ }
+
+ },
+
+ Sinusoidal: {
+
+ In: function (k) {
+
+ return 1 - Math.cos(k * Math.PI / 2);
+
+ },
+
+ Out: function (k) {
+
+ return Math.sin(k * Math.PI / 2);
+
+ },
+
+ InOut: function (k) {
+
+ return 0.5 * (1 - Math.cos(Math.PI * k));
+
+ }
+
+ },
+
+ Exponential: {
+
+ In: function (k) {
+
+ return k === 0 ? 0 : Math.pow(1024, k - 1);
+
+ },
+
+ Out: function (k) {
+
+ return k === 1 ? 1 : 1 - Math.pow(2, - 10 * k);
+
+ },
+
+ InOut: function (k) {
+
+ if (k === 0) {
+ return 0;
+ }
+
+ if (k === 1) {
+ return 1;
+ }
+
+ if ((k *= 2) < 1) {
+ return 0.5 * Math.pow(1024, k - 1);
+ }
+
+ return 0.5 * (- Math.pow(2, - 10 * (k - 1)) + 2);
+
+ }
+
+ },
+
+ Circular: {
+
+ In: function (k) {
+
+ return 1 - Math.sqrt(1 - k * k);
+
+ },
+
+ Out: function (k) {
+
+ return Math.sqrt(1 - (--k * k));
+
+ },
+
+ InOut: function (k) {
+
+ if ((k *= 2) < 1) {
+ return - 0.5 * (Math.sqrt(1 - k * k) - 1);
+ }
+
+ return 0.5 * (Math.sqrt(1 - (k -= 2) * k) + 1);
+
+ }
+
+ },
+
+ Elastic: {
+
+ In: function (k) {
+
+ if (k === 0) {
+ return 0;
+ }
+
+ if (k === 1) {
+ return 1;
+ }
+
+ return -Math.pow(2, 10 * (k - 1)) * Math.sin((k - 1.1) * 5 * Math.PI);
+
+ },
+
+ Out: function (k) {
+
+ if (k === 0) {
+ return 0;
+ }
+
+ if (k === 1) {
+ return 1;
+ }
+
+ return Math.pow(2, -10 * k) * Math.sin((k - 0.1) * 5 * Math.PI) + 1;
+
+ },
+
+ InOut: function (k) {
+
+ if (k === 0) {
+ return 0;
+ }
+
+ if (k === 1) {
+ return 1;
+ }
+
+ k *= 2;
+
+ if (k < 1) {
+ return -0.5 * Math.pow(2, 10 * (k - 1)) * Math.sin((k - 1.1) * 5 * Math.PI);
+ }
+
+ return 0.5 * Math.pow(2, -10 * (k - 1)) * Math.sin((k - 1.1) * 5 * Math.PI) + 1;
+
+ }
+
+ },
+
+ Back: {
+
+ In: function (k) {
+
+ var s = 1.70158;
+
+ return k * k * ((s + 1) * k - s);
+
+ },
+
+ Out: function (k) {
+
+ var s = 1.70158;
+
+ return --k * k * ((s + 1) * k + s) + 1;
+
+ },
+
+ InOut: function (k) {
+
+ var s = 1.70158 * 1.525;
+
+ if ((k *= 2) < 1) {
+ return 0.5 * (k * k * ((s + 1) * k - s));
+ }
+
+ return 0.5 * ((k -= 2) * k * ((s + 1) * k + s) + 2);
+
+ }
+
+ },
+
+ Bounce: {
+
+ In: function (k) {
+
+ return 1 - TWEEN.Easing.Bounce.Out(1 - k);
+
+ },
+
+ Out: function (k) {
+
+ if (k < (1 / 2.75)) {
+ return 7.5625 * k * k;
+ } else if (k < (2 / 2.75)) {
+ return 7.5625 * (k -= (1.5 / 2.75)) * k + 0.75;
+ } else if (k < (2.5 / 2.75)) {
+ return 7.5625 * (k -= (2.25 / 2.75)) * k + 0.9375;
+ } else {
+ return 7.5625 * (k -= (2.625 / 2.75)) * k + 0.984375;
+ }
+
+ },
+
+ InOut: function (k) {
+
+ if (k < 0.5) {
+ return TWEEN.Easing.Bounce.In(k * 2) * 0.5;
+ }
+
+ return TWEEN.Easing.Bounce.Out(k * 2 - 1) * 0.5 + 0.5;
+
+ }
+
+ }
+
+};
+
+TWEEN.Interpolation = {
+
+ Linear: function (v, k) {
+
+ var m = v.length - 1;
+ var f = m * k;
+ var i = Math.floor(f);
+ var fn = TWEEN.Interpolation.Utils.Linear;
+
+ if (k < 0) {
+ return fn(v[0], v[1], f);
+ }
+
+ if (k > 1) {
+ return fn(v[m], v[m - 1], m - f);
+ }
+
+ return fn(v[i], v[i + 1 > m ? m : i + 1], f - i);
+
+ },
+
+ Bezier: function (v, k) {
+
+ var b = 0;
+ var n = v.length - 1;
+ var pw = Math.pow;
+ var bn = TWEEN.Interpolation.Utils.Bernstein;
+
+ for (var i = 0; i <= n; i++) {
+ b += pw(1 - k, n - i) * pw(k, i) * v[i] * bn(n, i);
+ }
+
+ return b;
+
+ },
+
+ CatmullRom: function (v, k) {
+
+ var m = v.length - 1;
+ var f = m * k;
+ var i = Math.floor(f);
+ var fn = TWEEN.Interpolation.Utils.CatmullRom;
+
+ if (v[0] === v[m]) {
+
+ if (k < 0) {
+ i = Math.floor(f = m * (1 + k));
+ }
+
+ return fn(v[(i - 1 + m) % m], v[i], v[(i + 1) % m], v[(i + 2) % m], f - i);
+
+ } else {
+
+ if (k < 0) {
+ return v[0] - (fn(v[0], v[0], v[1], v[1], -f) - v[0]);
+ }
+
+ if (k > 1) {
+ return v[m] - (fn(v[m], v[m], v[m - 1], v[m - 1], f - m) - v[m]);
+ }
+
+ return fn(v[i ? i - 1 : 0], v[i], v[m < i + 1 ? m : i + 1], v[m < i + 2 ? m : i + 2], f - i);
+
+ }
+
+ },
+
+ Utils: {
+
+ Linear: function (p0, p1, t) {
+
+ return (p1 - p0) * t + p0;
+
+ },
+
+ Bernstein: function (n, i) {
+
+ var fc = TWEEN.Interpolation.Utils.Factorial;
+
+ return fc(n) / fc(i) / fc(n - i);
+
+ },
+
+ Factorial: (function () {
+
+ var a = [1];
+
+ return function (n) {
+
+ var s = 1;
+
+ if (a[n]) {
+ return a[n];
+ }
+
+ for (var i = n; i > 1; i--) {
+ s *= i;
+ }
+
+ a[n] = s;
+ return s;
+
+ };
+
+ })(),
+
+ CatmullRom: function (p0, p1, p2, p3, t) {
+
+ var v0 = (p2 - p0) * 0.5;
+ var v1 = (p3 - p1) * 0.5;
+ var t2 = t * t;
+ var t3 = t * t2;
+
+ return (2 * p1 - 2 * p2 + v0 + v1) * t3 + (- 3 * p1 + 3 * p2 - 2 * v0 - v1) * t2 + v0 * t + p1;
+
+ }
+
+ }
+
+};
+
+// UMD (Universal Module Definition)
+(function (root) {
+
+ if (typeof define === 'function' && define.amd) {
+
+ // AMD
+ define([], function () {
+ return TWEEN;
+ });
+
+ } else if (typeof module !== 'undefined' && typeof exports === 'object') {
+
+ // Node.js
+ module.exports = TWEEN;
+
+ } else if (root !== undefined) {
+
+ // Global variable
+ root.TWEEN = TWEEN;
+
+ }
+
+})(this);
+
+}).call(this,_dereq_('_process'))
+
+},{"_process":6}],2:[function(_dereq_,module,exports){
+var str = Object.prototype.toString
+
+module.exports = anArray
+
+function anArray(arr) {
+ return (
+ arr.BYTES_PER_ELEMENT
+ && str.call(arr.buffer) === '[object ArrayBuffer]'
+ || Array.isArray(arr)
+ )
+}
+
+},{}],3:[function(_dereq_,module,exports){
+module.exports = function numtype(num, def) {
+ return typeof num === 'number'
+ ? num
+ : (typeof def === 'number' ? def : 0)
+}
+},{}],4:[function(_dereq_,module,exports){
+'use strict'
+
+exports.byteLength = byteLength
+exports.toByteArray = toByteArray
+exports.fromByteArray = fromByteArray
+
+var lookup = []
+var revLookup = []
+var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array
+
+var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
+for (var i = 0, len = code.length; i < len; ++i) {
+ lookup[i] = code[i]
+ revLookup[code.charCodeAt(i)] = i
+}
+
+revLookup['-'.charCodeAt(0)] = 62
+revLookup['_'.charCodeAt(0)] = 63
+
+function placeHoldersCount (b64) {
+ var len = b64.length
+ if (len % 4 > 0) {
+ throw new Error('Invalid string. Length must be a multiple of 4')
+ }
+
+ // the number of equal signs (place holders)
+ // if there are two placeholders, than the two characters before it
+ // represent one byte
+ // if there is only one, then the three characters before it represent 2 bytes
+ // this is just a cheap hack to not do indexOf twice
+ return b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0
+}
+
+function byteLength (b64) {
+ // base64 is 4/3 + up to two characters of the original data
+ return (b64.length * 3 / 4) - placeHoldersCount(b64)
+}
+
+function toByteArray (b64) {
+ var i, l, tmp, placeHolders, arr
+ var len = b64.length
+ placeHolders = placeHoldersCount(b64)
+
+ arr = new Arr((len * 3 / 4) - placeHolders)
+
+ // if there are placeholders, only get up to the last complete 4 chars
+ l = placeHolders > 0 ? len - 4 : len
+
+ var L = 0
+
+ for (i = 0; i < l; i += 4) {
+ tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)]
+ arr[L++] = (tmp >> 16) & 0xFF
+ arr[L++] = (tmp >> 8) & 0xFF
+ arr[L++] = tmp & 0xFF
+ }
+
+ if (placeHolders === 2) {
+ tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4)
+ arr[L++] = tmp & 0xFF
+ } else if (placeHolders === 1) {
+ tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2)
+ arr[L++] = (tmp >> 8) & 0xFF
+ arr[L++] = tmp & 0xFF
+ }
+
+ return arr
+}
+
+function tripletToBase64 (num) {
+ return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F]
+}
+
+function encodeChunk (uint8, start, end) {
+ var tmp
+ var output = []
+ for (var i = start; i < end; i += 3) {
+ tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])
+ output.push(tripletToBase64(tmp))
+ }
+ return output.join('')
+}
+
+function fromByteArray (uint8) {
+ var tmp
+ var len = uint8.length
+ var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
+ var output = ''
+ var parts = []
+ var maxChunkLength = 16383 // must be multiple of 3
+
+ // go through the array every three bytes, we'll deal with trailing stuff later
+ for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
+ parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))
+ }
+
+ // pad the end with zeros, but make sure to not forget the extra bytes
+ if (extraBytes === 1) {
+ tmp = uint8[len - 1]
+ output += lookup[tmp >> 2]
+ output += lookup[(tmp << 4) & 0x3F]
+ output += '=='
+ } else if (extraBytes === 2) {
+ tmp = (uint8[len - 2] << 8) + (uint8[len - 1])
+ output += lookup[tmp >> 10]
+ output += lookup[(tmp >> 4) & 0x3F]
+ output += lookup[(tmp << 2) & 0x3F]
+ output += '='
+ }
+
+ parts.push(output)
+
+ return parts.join('')
+}
+
+},{}],5:[function(_dereq_,module,exports){
+'use strict';
+// For more information about browser field, check out the browser field at https://github.com/substack/browserify-handbook#browser-field.
+
+module.exports = {
+ // Create a <link> tag with optional data attributes
+ createLink: function(href, attributes) {
+ var head = document.head || document.getElementsByTagName('head')[0];
+ var link = document.createElement('link');
+
+ link.href = href;
+ link.rel = 'stylesheet';
+
+ for (var key in attributes) {
+ if ( ! attributes.hasOwnProperty(key)) {
+ continue;
+ }
+ var value = attributes[key];
+ link.setAttribute('data-' + key, value);
+ }
+
+ head.appendChild(link);
+ },
+ // Create a <style> tag with optional data attributes
+ createStyle: function(cssText, attributes) {
+ var head = document.head || document.getElementsByTagName('head')[0],
+ style = document.createElement('style');
+
+ style.type = 'text/css';
+
+ for (var key in attributes) {
+ if ( ! attributes.hasOwnProperty(key)) {
+ continue;
+ }
+ var value = attributes[key];
+ style.setAttribute('data-' + key, value);
+ }
+
+ if (style.sheet) { // for jsdom and IE9+
+ style.innerHTML = cssText;
+ style.sheet.cssText = cssText;
+ head.appendChild(style);
+ } else if (style.styleSheet) { // for IE8 and below
+ head.appendChild(style);
+ style.styleSheet.cssText = cssText;
+ } else { // for Chrome, Firefox, and Safari
+ style.appendChild(document.createTextNode(cssText));
+ head.appendChild(style);
+ }
+ }
+};
+
+},{}],6:[function(_dereq_,module,exports){
+// shim for using process in browser
+var process = module.exports = {};
+
+// cached from whatever global is present so that test runners that stub it
+// don't break things. But we need to wrap it in a try catch in case it is
+// wrapped in strict mode code which doesn't define any globals. It's inside a
+// function because try/catches deoptimize in certain engines.
+
+var cachedSetTimeout;
+var cachedClearTimeout;
+
+function defaultSetTimout() {
+ throw new Error('setTimeout has not been defined');
+}
+function defaultClearTimeout () {
+ throw new Error('clearTimeout has not been defined');
+}
+(function () {
+ try {
+ if (typeof setTimeout === 'function') {
+ cachedSetTimeout = setTimeout;
+ } else {
+ cachedSetTimeout = defaultSetTimout;
+ }
+ } catch (e) {
+ cachedSetTimeout = defaultSetTimout;
+ }
+ try {
+ if (typeof clearTimeout === 'function') {
+ cachedClearTimeout = clearTimeout;
+ } else {
+ cachedClearTimeout = defaultClearTimeout;
+ }
+ } catch (e) {
+ cachedClearTimeout = defaultClearTimeout;
+ }
+} ())
+function runTimeout(fun) {
+ if (cachedSetTimeout === setTimeout) {
+ //normal enviroments in sane situations
+ return setTimeout(fun, 0);
+ }
+ // if setTimeout wasn't available but was latter defined
+ if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
+ cachedSetTimeout = setTimeout;
+ return setTimeout(fun, 0);
+ }
+ try {
+ // when when somebody has screwed with setTimeout but no I.E. maddness
+ return cachedSetTimeout(fun, 0);
+ } catch(e){
+ try {
+ // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+ return cachedSetTimeout.call(null, fun, 0);
+ } catch(e){
+ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
+ return cachedSetTimeout.call(this, fun, 0);
+ }
+ }
+
+
+}
+function runClearTimeout(marker) {
+ if (cachedClearTimeout === clearTimeout) {
+ //normal enviroments in sane situations
+ return clearTimeout(marker);
+ }
+ // if clearTimeout wasn't available but was latter defined
+ if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
+ cachedClearTimeout = clearTimeout;
+ return clearTimeout(marker);
+ }
+ try {
+ // when when somebody has screwed with setTimeout but no I.E. maddness
+ return cachedClearTimeout(marker);
+ } catch (e){
+ try {
+ // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+ return cachedClearTimeout.call(null, marker);
+ } catch (e){
+ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
+ // Some versions of I.E. have different rules for clearTimeout vs setTimeout
+ return cachedClearTimeout.call(this, marker);
+ }
+ }
+
+
+
+}
+var queue = [];
+var draining = false;
+var currentQueue;
+var queueIndex = -1;
+
+function cleanUpNextTick() {
+ if (!draining || !currentQueue) {
+ return;
+ }
+ draining = false;
+ if (currentQueue.length) {
+ queue = currentQueue.concat(queue);
+ } else {
+ queueIndex = -1;
+ }
+ if (queue.length) {
+ drainQueue();
+ }
+}
+
+function drainQueue() {
+ if (draining) {
+ return;
+ }
+ var timeout = runTimeout(cleanUpNextTick);
+ draining = true;
+
+ var len = queue.length;
+ while(len) {
+ currentQueue = queue;
+ queue = [];
+ while (++queueIndex < len) {
+ if (currentQueue) {
+ currentQueue[queueIndex].run();
+ }
+ }
+ queueIndex = -1;
+ len = queue.length;
+ }
+ currentQueue = null;
+ draining = false;
+ runClearTimeout(timeout);
+}
+
+process.nextTick = function (fun) {
+ var args = new Array(arguments.length - 1);
+ if (arguments.length > 1) {
+ for (var i = 1; i < arguments.length; i++) {
+ args[i - 1] = arguments[i];
+ }
+ }
+ queue.push(new Item(fun, args));
+ if (queue.length === 1 && !draining) {
+ runTimeout(drainQueue);
+ }
+};
+
+// v8 likes predictible objects
+function Item(fun, array) {
+ this.fun = fun;
+ this.array = array;
+}
+Item.prototype.run = function () {
+ this.fun.apply(null, this.array);
+};
+process.title = 'browser';
+process.browser = true;
+process.env = {};
+process.argv = [];
+process.version = ''; // empty string to avoid regexp issues
+process.versions = {};
+
+function noop() {}
+
+process.on = noop;
+process.addListener = noop;
+process.once = noop;
+process.off = noop;
+process.removeListener = noop;
+process.removeAllListeners = noop;
+process.emit = noop;
+process.prependListener = noop;
+process.prependOnceListener = noop;
+
+process.listeners = function (name) { return [] }
+
+process.binding = function (name) {
+ throw new Error('process.binding is not supported');
+};
+
+process.cwd = function () { return '/' };
+process.chdir = function (dir) {
+ throw new Error('process.chdir is not supported');
+};
+process.umask = function() { return 0; };
+
+},{}],7:[function(_dereq_,module,exports){
+var Buffer = _dereq_('buffer').Buffer; // for use with browserify
+
+module.exports = function (a, b) {
+ if (!Buffer.isBuffer(a)) return undefined;
+ if (!Buffer.isBuffer(b)) return undefined;
+ if (typeof a.equals === 'function') return a.equals(b);
+ if (a.length !== b.length) return false;
+
+ for (var i = 0; i < a.length; i++) {
+ if (a[i] !== b[i]) return false;
+ }
+
+ return true;
+};
+
+},{"buffer":8}],8:[function(_dereq_,module,exports){
+(function (global){
+/*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
+ * @license MIT
+ */
+/* eslint-disable no-proto */
+
+'use strict'
+
+var base64 = _dereq_('base64-js')
+var ieee754 = _dereq_('ieee754')
+var isArray = _dereq_('isarray')
+
+exports.Buffer = Buffer
+exports.SlowBuffer = SlowBuffer
+exports.INSPECT_MAX_BYTES = 50
+
+/**
+ * If `Buffer.TYPED_ARRAY_SUPPORT`:
+ * === true Use Uint8Array implementation (fastest)
+ * === false Use Object implementation (most compatible, even IE6)
+ *
+ * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
+ * Opera 11.6+, iOS 4.2+.
+ *
+ * Due to various browser bugs, sometimes the Object implementation will be used even
+ * when the browser supports typed arrays.
+ *
+ * Note:
+ *
+ * - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
+ * See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
+ *
+ * - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
+ *
+ * - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
+ * incorrect length in some situations.
+
+ * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
+ * get the Object implementation, which is slower but behaves correctly.
+ */
+Buffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined
+ ? global.TYPED_ARRAY_SUPPORT
+ : typedArraySupport()
+
+/*
+ * Export kMaxLength after typed array support is determined.
+ */
+exports.kMaxLength = kMaxLength()
+
+function typedArraySupport () {
+ try {
+ var arr = new Uint8Array(1)
+ arr.__proto__ = {__proto__: Uint8Array.prototype, foo: function () { return 42 }}
+ return arr.foo() === 42 && // typed array instances can be augmented
+ typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`
+ arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`
+ } catch (e) {
+ return false
+ }
+}
+
+function kMaxLength () {
+ return Buffer.TYPED_ARRAY_SUPPORT
+ ? 0x7fffffff
+ : 0x3fffffff
+}
+
+function createBuffer (that, length) {
+ if (kMaxLength() < length) {
+ throw new RangeError('Invalid typed array length')
+ }
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ // Return an augmented `Uint8Array` instance, for best performance
+ that = new Uint8Array(length)
+ that.__proto__ = Buffer.prototype
+ } else {
+ // Fallback: Return an object instance of the Buffer class
+ if (that === null) {
+ that = new Buffer(length)
+ }
+ that.length = length
+ }
+
+ return that
+}
+
+/**
+ * The Buffer constructor returns instances of `Uint8Array` that have their
+ * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
+ * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
+ * and the `Uint8Array` methods. Square bracket notation works as expected -- it
+ * returns a single octet.
+ *
+ * The `Uint8Array` prototype remains unmodified.
+ */
+
+function Buffer (arg, encodingOrOffset, length) {
+ if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) {
+ return new Buffer(arg, encodingOrOffset, length)
+ }
+
+ // Common case.
+ if (typeof arg === 'number') {
+ if (typeof encodingOrOffset === 'string') {
+ throw new Error(
+ 'If encoding is specified then the first argument must be a string'
+ )
+ }
+ return allocUnsafe(this, arg)
+ }
+ return from(this, arg, encodingOrOffset, length)
+}
+
+Buffer.poolSize = 8192 // not used by this implementation
+
+// TODO: Legacy, not needed anymore. Remove in next major version.
+Buffer._augment = function (arr) {
+ arr.__proto__ = Buffer.prototype
+ return arr
+}
+
+function from (that, value, encodingOrOffset, length) {
+ if (typeof value === 'number') {
+ throw new TypeError('"value" argument must not be a number')
+ }
+
+ if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
+ return fromArrayBuffer(that, value, encodingOrOffset, length)
+ }
+
+ if (typeof value === 'string') {
+ return fromString(that, value, encodingOrOffset)
+ }
+
+ return fromObject(that, value)
+}
+
+/**
+ * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
+ * if value is a number.
+ * Buffer.from(str[, encoding])
+ * Buffer.from(array)
+ * Buffer.from(buffer)
+ * Buffer.from(arrayBuffer[, byteOffset[, length]])
+ **/
+Buffer.from = function (value, encodingOrOffset, length) {
+ return from(null, value, encodingOrOffset, length)
+}
+
+if (Buffer.TYPED_ARRAY_SUPPORT) {
+ Buffer.prototype.__proto__ = Uint8Array.prototype
+ Buffer.__proto__ = Uint8Array
+ if (typeof Symbol !== 'undefined' && Symbol.species &&
+ Buffer[Symbol.species] === Buffer) {
+ // Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
+ Object.defineProperty(Buffer, Symbol.species, {
+ value: null,
+ configurable: true
+ })
+ }
+}
+
+function assertSize (size) {
+ if (typeof size !== 'number') {
+ throw new TypeError('"size" argument must be a number')
+ } else if (size < 0) {
+ throw new RangeError('"size" argument must not be negative')
+ }
+}
+
+function alloc (that, size, fill, encoding) {
+ assertSize(size)
+ if (size <= 0) {
+ return createBuffer(that, size)
+ }
+ if (fill !== undefined) {
+ // Only pay attention to encoding if it's a string. This
+ // prevents accidentally sending in a number that would
+ // be interpretted as a start offset.
+ return typeof encoding === 'string'
+ ? createBuffer(that, size).fill(fill, encoding)
+ : createBuffer(that, size).fill(fill)
+ }
+ return createBuffer(that, size)
+}
+
+/**
+ * Creates a new filled Buffer instance.
+ * alloc(size[, fill[, encoding]])
+ **/
+Buffer.alloc = function (size, fill, encoding) {
+ return alloc(null, size, fill, encoding)
+}
+
+function allocUnsafe (that, size) {
+ assertSize(size)
+ that = createBuffer(that, size < 0 ? 0 : checked(size) | 0)
+ if (!Buffer.TYPED_ARRAY_SUPPORT) {
+ for (var i = 0; i < size; ++i) {
+ that[i] = 0
+ }
+ }
+ return that
+}
+
+/**
+ * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
+ * */
+Buffer.allocUnsafe = function (size) {
+ return allocUnsafe(null, size)
+}
+/**
+ * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
+ */
+Buffer.allocUnsafeSlow = function (size) {
+ return allocUnsafe(null, size)
+}
+
+function fromString (that, string, encoding) {
+ if (typeof encoding !== 'string' || encoding === '') {
+ encoding = 'utf8'
+ }
+
+ if (!Buffer.isEncoding(encoding)) {
+ throw new TypeError('"encoding" must be a valid string encoding')
+ }
+
+ var length = byteLength(string, encoding) | 0
+ that = createBuffer(that, length)
+
+ var actual = that.write(string, encoding)
+
+ if (actual !== length) {
+ // Writing a hex string, for example, that contains invalid characters will
+ // cause everything after the first invalid character to be ignored. (e.g.
+ // 'abxxcd' will be treated as 'ab')
+ that = that.slice(0, actual)
+ }
+
+ return that
+}
+
+function fromArrayLike (that, array) {
+ var length = array.length < 0 ? 0 : checked(array.length) | 0
+ that = createBuffer(that, length)
+ for (var i = 0; i < length; i += 1) {
+ that[i] = array[i] & 255
+ }
+ return that
+}
+
+function fromArrayBuffer (that, array, byteOffset, length) {
+ array.byteLength // this throws if `array` is not a valid ArrayBuffer
+
+ if (byteOffset < 0 || array.byteLength < byteOffset) {
+ throw new RangeError('\'offset\' is out of bounds')
+ }
+
+ if (array.byteLength < byteOffset + (length || 0)) {
+ throw new RangeError('\'length\' is out of bounds')
+ }
+
+ if (byteOffset === undefined && length === undefined) {
+ array = new Uint8Array(array)
+ } else if (length === undefined) {
+ array = new Uint8Array(array, byteOffset)
+ } else {
+ array = new Uint8Array(array, byteOffset, length)
+ }
+
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ // Return an augmented `Uint8Array` instance, for best performance
+ that = array
+ that.__proto__ = Buffer.prototype
+ } else {
+ // Fallback: Return an object instance of the Buffer class
+ that = fromArrayLike(that, array)
+ }
+ return that
+}
+
+function fromObject (that, obj) {
+ if (Buffer.isBuffer(obj)) {
+ var len = checked(obj.length) | 0
+ that = createBuffer(that, len)
+
+ if (that.length === 0) {
+ return that
+ }
+
+ obj.copy(that, 0, 0, len)
+ return that
+ }
+
+ if (obj) {
+ if ((typeof ArrayBuffer !== 'undefined' &&
+ obj.buffer instanceof ArrayBuffer) || 'length' in obj) {
+ if (typeof obj.length !== 'number' || isnan(obj.length)) {
+ return createBuffer(that, 0)
+ }
+ return fromArrayLike(that, obj)
+ }
+
+ if (obj.type === 'Buffer' && isArray(obj.data)) {
+ return fromArrayLike(that, obj.data)
+ }
+ }
+
+ throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')
+}
+
+function checked (length) {
+ // Note: cannot use `length < kMaxLength()` here because that fails when
+ // length is NaN (which is otherwise coerced to zero.)
+ if (length >= kMaxLength()) {
+ throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
+ 'size: 0x' + kMaxLength().toString(16) + ' bytes')
+ }
+ return length | 0
+}
+
+function SlowBuffer (length) {
+ if (+length != length) { // eslint-disable-line eqeqeq
+ length = 0
+ }
+ return Buffer.alloc(+length)
+}
+
+Buffer.isBuffer = function isBuffer (b) {
+ return !!(b != null && b._isBuffer)
+}
+
+Buffer.compare = function compare (a, b) {
+ if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
+ throw new TypeError('Arguments must be Buffers')
+ }
+
+ if (a === b) return 0
+
+ var x = a.length
+ var y = b.length
+
+ for (var i = 0, len = Math.min(x, y); i < len; ++i) {
+ if (a[i] !== b[i]) {
+ x = a[i]
+ y = b[i]
+ break
+ }
+ }
+
+ if (x < y) return -1
+ if (y < x) return 1
+ return 0
+}
+
+Buffer.isEncoding = function isEncoding (encoding) {
+ switch (String(encoding).toLowerCase()) {
+ case 'hex':
+ case 'utf8':
+ case 'utf-8':
+ case 'ascii':
+ case 'latin1':
+ case 'binary':
+ case 'base64':
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return true
+ default:
+ return false
+ }
+}
+
+Buffer.concat = function concat (list, length) {
+ if (!isArray(list)) {
+ throw new TypeError('"list" argument must be an Array of Buffers')
+ }
+
+ if (list.length === 0) {
+ return Buffer.alloc(0)
+ }
+
+ var i
+ if (length === undefined) {
+ length = 0
+ for (i = 0; i < list.length; ++i) {
+ length += list[i].length
+ }
+ }
+
+ var buffer = Buffer.allocUnsafe(length)
+ var pos = 0
+ for (i = 0; i < list.length; ++i) {
+ var buf = list[i]
+ if (!Buffer.isBuffer(buf)) {
+ throw new TypeError('"list" argument must be an Array of Buffers')
+ }
+ buf.copy(buffer, pos)
+ pos += buf.length
+ }
+ return buffer
+}
+
+function byteLength (string, encoding) {
+ if (Buffer.isBuffer(string)) {
+ return string.length
+ }
+ if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&
+ (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
+ return string.byteLength
+ }
+ if (typeof string !== 'string') {
+ string = '' + string
+ }
+
+ var len = string.length
+ if (len === 0) return 0
+
+ // Use a for loop to avoid recursion
+ var loweredCase = false
+ for (;;) {
+ switch (encoding) {
+ case 'ascii':
+ case 'latin1':
+ case 'binary':
+ return len
+ case 'utf8':
+ case 'utf-8':
+ case undefined:
+ return utf8ToBytes(string).length
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return len * 2
+ case 'hex':
+ return len >>> 1
+ case 'base64':
+ return base64ToBytes(string).length
+ default:
+ if (loweredCase) return utf8ToBytes(string).length // assume utf8
+ encoding = ('' + encoding).toLowerCase()
+ loweredCase = true
+ }
+ }
+}
+Buffer.byteLength = byteLength
+
+function slowToString (encoding, start, end) {
+ var loweredCase = false
+
+ // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
+ // property of a typed array.
+
+ // This behaves neither like String nor Uint8Array in that we set start/end
+ // to their upper/lower bounds if the value passed is out of range.
+ // undefined is handled specially as per ECMA-262 6th Edition,
+ // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
+ if (start === undefined || start < 0) {
+ start = 0
+ }
+ // Return early if start > this.length. Done here to prevent potential uint32
+ // coercion fail below.
+ if (start > this.length) {
+ return ''
+ }
+
+ if (end === undefined || end > this.length) {
+ end = this.length
+ }
+
+ if (end <= 0) {
+ return ''
+ }
+
+ // Force coersion to uint32. This will also coerce falsey/NaN values to 0.
+ end >>>= 0
+ start >>>= 0
+
+ if (end <= start) {
+ return ''
+ }
+
+ if (!encoding) encoding = 'utf8'
+
+ while (true) {
+ switch (encoding) {
+ case 'hex':
+ return hexSlice(this, start, end)
+
+ case 'utf8':
+ case 'utf-8':
+ return utf8Slice(this, start, end)
+
+ case 'ascii':
+ return asciiSlice(this, start, end)
+
+ case 'latin1':
+ case 'binary':
+ return latin1Slice(this, start, end)
+
+ case 'base64':
+ return base64Slice(this, start, end)
+
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return utf16leSlice(this, start, end)
+
+ default:
+ if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+ encoding = (encoding + '').toLowerCase()
+ loweredCase = true
+ }
+ }
+}
+
+// The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect
+// Buffer instances.
+Buffer.prototype._isBuffer = true
+
+function swap (b, n, m) {
+ var i = b[n]
+ b[n] = b[m]
+ b[m] = i
+}
+
+Buffer.prototype.swap16 = function swap16 () {
+ var len = this.length
+ if (len % 2 !== 0) {
+ throw new RangeError('Buffer size must be a multiple of 16-bits')
+ }
+ for (var i = 0; i < len; i += 2) {
+ swap(this, i, i + 1)
+ }
+ return this
+}
+
+Buffer.prototype.swap32 = function swap32 () {
+ var len = this.length
+ if (len % 4 !== 0) {
+ throw new RangeError('Buffer size must be a multiple of 32-bits')
+ }
+ for (var i = 0; i < len; i += 4) {
+ swap(this, i, i + 3)
+ swap(this, i + 1, i + 2)
+ }
+ return this
+}
+
+Buffer.prototype.swap64 = function swap64 () {
+ var len = this.length
+ if (len % 8 !== 0) {
+ throw new RangeError('Buffer size must be a multiple of 64-bits')
+ }
+ for (var i = 0; i < len; i += 8) {
+ swap(this, i, i + 7)
+ swap(this, i + 1, i + 6)
+ swap(this, i + 2, i + 5)
+ swap(this, i + 3, i + 4)
+ }
+ return this
+}
+
+Buffer.prototype.toString = function toString () {
+ var length = this.length | 0
+ if (length === 0) return ''
+ if (arguments.length === 0) return utf8Slice(this, 0, length)
+ return slowToString.apply(this, arguments)
+}
+
+Buffer.prototype.equals = function equals (b) {
+ if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
+ if (this === b) return true
+ return Buffer.compare(this, b) === 0
+}
+
+Buffer.prototype.inspect = function inspect () {
+ var str = ''
+ var max = exports.INSPECT_MAX_BYTES
+ if (this.length > 0) {
+ str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')
+ if (this.length > max) str += ' ... '
+ }
+ return '<Buffer ' + str + '>'
+}
+
+Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
+ if (!Buffer.isBuffer(target)) {
+ throw new TypeError('Argument must be a Buffer')
+ }
+
+ if (start === undefined) {
+ start = 0
+ }
+ if (end === undefined) {
+ end = target ? target.length : 0
+ }
+ if (thisStart === undefined) {
+ thisStart = 0
+ }
+ if (thisEnd === undefined) {
+ thisEnd = this.length
+ }
+
+ if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
+ throw new RangeError('out of range index')
+ }
+
+ if (thisStart >= thisEnd && start >= end) {
+ return 0
+ }
+ if (thisStart >= thisEnd) {
+ return -1
+ }
+ if (start >= end) {
+ return 1
+ }
+
+ start >>>= 0
+ end >>>= 0
+ thisStart >>>= 0
+ thisEnd >>>= 0
+
+ if (this === target) return 0
+
+ var x = thisEnd - thisStart
+ var y = end - start
+ var len = Math.min(x, y)
+
+ var thisCopy = this.slice(thisStart, thisEnd)
+ var targetCopy = target.slice(start, end)
+
+ for (var i = 0; i < len; ++i) {
+ if (thisCopy[i] !== targetCopy[i]) {
+ x = thisCopy[i]
+ y = targetCopy[i]
+ break
+ }
+ }
+
+ if (x < y) return -1
+ if (y < x) return 1
+ return 0
+}
+
+// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
+// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
+//
+// Arguments:
+// - buffer - a Buffer to search
+// - val - a string, Buffer, or number
+// - byteOffset - an index into `buffer`; will be clamped to an int32
+// - encoding - an optional encoding, relevant is val is a string
+// - dir - true for indexOf, false for lastIndexOf
+function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
+ // Empty buffer means no match
+ if (buffer.length === 0) return -1
+
+ // Normalize byteOffset
+ if (typeof byteOffset === 'string') {
+ encoding = byteOffset
+ byteOffset = 0
+ } else if (byteOffset > 0x7fffffff) {
+ byteOffset = 0x7fffffff
+ } else if (byteOffset < -0x80000000) {
+ byteOffset = -0x80000000
+ }
+ byteOffset = +byteOffset // Coerce to Number.
+ if (isNaN(byteOffset)) {
+ // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
+ byteOffset = dir ? 0 : (buffer.length - 1)
+ }
+
+ // Normalize byteOffset: negative offsets start from the end of the buffer
+ if (byteOffset < 0) byteOffset = buffer.length + byteOffset
+ if (byteOffset >= buffer.length) {
+ if (dir) return -1
+ else byteOffset = buffer.length - 1
+ } else if (byteOffset < 0) {
+ if (dir) byteOffset = 0
+ else return -1
+ }
+
+ // Normalize val
+ if (typeof val === 'string') {
+ val = Buffer.from(val, encoding)
+ }
+
+ // Finally, search either indexOf (if dir is true) or lastIndexOf
+ if (Buffer.isBuffer(val)) {
+ // Special case: looking for empty string/buffer always fails
+ if (val.length === 0) {
+ return -1
+ }
+ return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
+ } else if (typeof val === 'number') {
+ val = val & 0xFF // Search for a byte value [0-255]
+ if (Buffer.TYPED_ARRAY_SUPPORT &&
+ typeof Uint8Array.prototype.indexOf === 'function') {
+ if (dir) {
+ return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
+ } else {
+ return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
+ }
+ }
+ return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)
+ }
+
+ throw new TypeError('val must be string, number or Buffer')
+}
+
+function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
+ var indexSize = 1
+ var arrLength = arr.length
+ var valLength = val.length
+
+ if (encoding !== undefined) {
+ encoding = String(encoding).toLowerCase()
+ if (encoding === 'ucs2' || encoding === 'ucs-2' ||
+ encoding === 'utf16le' || encoding === 'utf-16le') {
+ if (arr.length < 2 || val.length < 2) {
+ return -1
+ }
+ indexSize = 2
+ arrLength /= 2
+ valLength /= 2
+ byteOffset /= 2
+ }
+ }
+
+ function read (buf, i) {
+ if (indexSize === 1) {
+ return buf[i]
+ } else {
+ return buf.readUInt16BE(i * indexSize)
+ }
+ }
+
+ var i
+ if (dir) {
+ var foundIndex = -1
+ for (i = byteOffset; i < arrLength; i++) {
+ if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
+ if (foundIndex === -1) foundIndex = i
+ if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
+ } else {
+ if (foundIndex !== -1) i -= i - foundIndex
+ foundIndex = -1
+ }
+ }
+ } else {
+ if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
+ for (i = byteOffset; i >= 0; i--) {
+ var found = true
+ for (var j = 0; j < valLength; j++) {
+ if (read(arr, i + j) !== read(val, j)) {
+ found = false
+ break
+ }
+ }
+ if (found) return i
+ }
+ }
+
+ return -1
+}
+
+Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
+ return this.indexOf(val, byteOffset, encoding) !== -1
+}
+
+Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
+ return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
+}
+
+Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
+ return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
+}
+
+function hexWrite (buf, string, offset, length) {
+ offset = Number(offset) || 0
+ var remaining = buf.length - offset
+ if (!length) {
+ length = remaining
+ } else {
+ length = Number(length)
+ if (length > remaining) {
+ length = remaining
+ }
+ }
+
+ // must be an even number of digits
+ var strLen = string.length
+ if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')
+
+ if (length > strLen / 2) {
+ length = strLen / 2
+ }
+ for (var i = 0; i < length; ++i) {
+ var parsed = parseInt(string.substr(i * 2, 2), 16)
+ if (isNaN(parsed)) return i
+ buf[offset + i] = parsed
+ }
+ return i
+}
+
+function utf8Write (buf, string, offset, length) {
+ return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
+}
+
+function asciiWrite (buf, string, offset, length) {
+ return blitBuffer(asciiToBytes(string), buf, offset, length)
+}
+
+function latin1Write (buf, string, offset, length) {
+ return asciiWrite(buf, string, offset, length)
+}
+
+function base64Write (buf, string, offset, length) {
+ return blitBuffer(base64ToBytes(string), buf, offset, length)
+}
+
+function ucs2Write (buf, string, offset, length) {
+ return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
+}
+
+Buffer.prototype.write = function write (string, offset, length, encoding) {
+ // Buffer#write(string)
+ if (offset === undefined) {
+ encoding = 'utf8'
+ length = this.length
+ offset = 0
+ // Buffer#write(string, encoding)
+ } else if (length === undefined && typeof offset === 'string') {
+ encoding = offset
+ length = this.length
+ offset = 0
+ // Buffer#write(string, offset[, length][, encoding])
+ } else if (isFinite(offset)) {
+ offset = offset | 0
+ if (isFinite(length)) {
+ length = length | 0
+ if (encoding === undefined) encoding = 'utf8'
+ } else {
+ encoding = length
+ length = undefined
+ }
+ // legacy write(string, encoding, offset, length) - remove in v0.13
+ } else {
+ throw new Error(
+ 'Buffer.write(string, encoding, offset[, length]) is no longer supported'
+ )
+ }
+
+ var remaining = this.length - offset
+ if (length === undefined || length > remaining) length = remaining
+
+ if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
+ throw new RangeError('Attempt to write outside buffer bounds')
+ }
+
+ if (!encoding) encoding = 'utf8'
+
+ var loweredCase = false
+ for (;;) {
+ switch (encoding) {
+ case 'hex':
+ return hexWrite(this, string, offset, length)
+
+ case 'utf8':
+ case 'utf-8':
+ return utf8Write(this, string, offset, length)
+
+ case 'ascii':
+ return asciiWrite(this, string, offset, length)
+
+ case 'latin1':
+ case 'binary':
+ return latin1Write(this, string, offset, length)
+
+ case 'base64':
+ // Warning: maxLength not taken into account in base64Write
+ return base64Write(this, string, offset, length)
+
+ case 'ucs2':
+ case 'ucs-2':
+ case 'utf16le':
+ case 'utf-16le':
+ return ucs2Write(this, string, offset, length)
+
+ default:
+ if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+ encoding = ('' + encoding).toLowerCase()
+ loweredCase = true
+ }
+ }
+}
+
+Buffer.prototype.toJSON = function toJSON () {
+ return {
+ type: 'Buffer',
+ data: Array.prototype.slice.call(this._arr || this, 0)
+ }
+}
+
+function base64Slice (buf, start, end) {
+ if (start === 0 && end === buf.length) {
+ return base64.fromByteArray(buf)
+ } else {
+ return base64.fromByteArray(buf.slice(start, end))
+ }
+}
+
+function utf8Slice (buf, start, end) {
+ end = Math.min(buf.length, end)
+ var res = []
+
+ var i = start
+ while (i < end) {
+ var firstByte = buf[i]
+ var codePoint = null
+ var bytesPerSequence = (firstByte > 0xEF) ? 4
+ : (firstByte > 0xDF) ? 3
+ : (firstByte > 0xBF) ? 2
+ : 1
+
+ if (i + bytesPerSequence <= end) {
+ var secondByte, thirdByte, fourthByte, tempCodePoint
+
+ switch (bytesPerSequence) {
+ case 1:
+ if (firstByte < 0x80) {
+ codePoint = firstByte
+ }
+ break
+ case 2:
+ secondByte = buf[i + 1]
+ if ((secondByte & 0xC0) === 0x80) {
+ tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
+ if (tempCodePoint > 0x7F) {
+ codePoint = tempCodePoint
+ }
+ }
+ break
+ case 3:
+ secondByte = buf[i + 1]
+ thirdByte = buf[i + 2]
+ if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
+ tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
+ if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
+ codePoint = tempCodePoint
+ }
+ }
+ break
+ case 4:
+ secondByte = buf[i + 1]
+ thirdByte = buf[i + 2]
+ fourthByte = buf[i + 3]
+ if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
+ tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
+ if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
+ codePoint = tempCodePoint
+ }
+ }
+ }
+ }
+
+ if (codePoint === null) {
+ // we did not generate a valid codePoint so insert a
+ // replacement char (U+FFFD) and advance only 1 byte
+ codePoint = 0xFFFD
+ bytesPerSequence = 1
+ } else if (codePoint > 0xFFFF) {
+ // encode to utf16 (surrogate pair dance)
+ codePoint -= 0x10000
+ res.push(codePoint >>> 10 & 0x3FF | 0xD800)
+ codePoint = 0xDC00 | codePoint & 0x3FF
+ }
+
+ res.push(codePoint)
+ i += bytesPerSequence
+ }
+
+ return decodeCodePointsArray(res)
+}
+
+// Based on http://stackoverflow.com/a/22747272/680742, the browser with
+// the lowest limit is Chrome, with 0x10000 args.
+// We go 1 magnitude less, for safety
+var MAX_ARGUMENTS_LENGTH = 0x1000
+
+function decodeCodePointsArray (codePoints) {
+ var len = codePoints.length
+ if (len <= MAX_ARGUMENTS_LENGTH) {
+ return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
+ }
+
+ // Decode in chunks to avoid "call stack size exceeded".
+ var res = ''
+ var i = 0
+ while (i < len) {
+ res += String.fromCharCode.apply(
+ String,
+ codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
+ )
+ }
+ return res
+}
+
+function asciiSlice (buf, start, end) {
+ var ret = ''
+ end = Math.min(buf.length, end)
+
+ for (var i = start; i < end; ++i) {
+ ret += String.fromCharCode(buf[i] & 0x7F)
+ }
+ return ret
+}
+
+function latin1Slice (buf, start, end) {
+ var ret = ''
+ end = Math.min(buf.length, end)
+
+ for (var i = start; i < end; ++i) {
+ ret += String.fromCharCode(buf[i])
+ }
+ return ret
+}
+
+function hexSlice (buf, start, end) {
+ var len = buf.length
+
+ if (!start || start < 0) start = 0
+ if (!end || end < 0 || end > len) end = len
+
+ var out = ''
+ for (var i = start; i < end; ++i) {
+ out += toHex(buf[i])
+ }
+ return out
+}
+
+function utf16leSlice (buf, start, end) {
+ var bytes = buf.slice(start, end)
+ var res = ''
+ for (var i = 0; i < bytes.length; i += 2) {
+ res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)
+ }
+ return res
+}
+
+Buffer.prototype.slice = function slice (start, end) {
+ var len = this.length
+ start = ~~start
+ end = end === undefined ? len : ~~end
+
+ if (start < 0) {
+ start += len
+ if (start < 0) start = 0
+ } else if (start > len) {
+ start = len
+ }
+
+ if (end < 0) {
+ end += len
+ if (end < 0) end = 0
+ } else if (end > len) {
+ end = len
+ }
+
+ if (end < start) end = start
+
+ var newBuf
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ newBuf = this.subarray(start, end)
+ newBuf.__proto__ = Buffer.prototype
+ } else {
+ var sliceLen = end - start
+ newBuf = new Buffer(sliceLen, undefined)
+ for (var i = 0; i < sliceLen; ++i) {
+ newBuf[i] = this[i + start]
+ }
+ }
+
+ return newBuf
+}
+
+/*
+ * Need to make sure that buffer isn't trying to write out of bounds.
+ */
+function checkOffset (offset, ext, length) {
+ if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
+ if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
+}
+
+Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
+ offset = offset | 0
+ byteLength = byteLength | 0
+ if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+ var val = this[offset]
+ var mul = 1
+ var i = 0
+ while (++i < byteLength && (mul *= 0x100)) {
+ val += this[offset + i] * mul
+ }
+
+ return val
+}
+
+Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
+ offset = offset | 0
+ byteLength = byteLength | 0
+ if (!noAssert) {
+ checkOffset(offset, byteLength, this.length)
+ }
+
+ var val = this[offset + --byteLength]
+ var mul = 1
+ while (byteLength > 0 && (mul *= 0x100)) {
+ val += this[offset + --byteLength] * mul
+ }
+
+ return val
+}
+
+Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 1, this.length)
+ return this[offset]
+}
+
+Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 2, this.length)
+ return this[offset] | (this[offset + 1] << 8)
+}
+
+Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 2, this.length)
+ return (this[offset] << 8) | this[offset + 1]
+}
+
+Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 4, this.length)
+
+ return ((this[offset]) |
+ (this[offset + 1] << 8) |
+ (this[offset + 2] << 16)) +
+ (this[offset + 3] * 0x1000000)
+}
+
+Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 4, this.length)
+
+ return (this[offset] * 0x1000000) +
+ ((this[offset + 1] << 16) |
+ (this[offset + 2] << 8) |
+ this[offset + 3])
+}
+
+Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
+ offset = offset | 0
+ byteLength = byteLength | 0
+ if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+ var val = this[offset]
+ var mul = 1
+ var i = 0
+ while (++i < byteLength && (mul *= 0x100)) {
+ val += this[offset + i] * mul
+ }
+ mul *= 0x80
+
+ if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+
+ return val
+}
+
+Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
+ offset = offset | 0
+ byteLength = byteLength | 0
+ if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+ var i = byteLength
+ var mul = 1
+ var val = this[offset + --i]
+ while (i > 0 && (mul *= 0x100)) {
+ val += this[offset + --i] * mul
+ }
+ mul *= 0x80
+
+ if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+
+ return val
+}
+
+Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 1, this.length)
+ if (!(this[offset] & 0x80)) return (this[offset])
+ return ((0xff - this[offset] + 1) * -1)
+}
+
+Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 2, this.length)
+ var val = this[offset] | (this[offset + 1] << 8)
+ return (val & 0x8000) ? val | 0xFFFF0000 : val
+}
+
+Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 2, this.length)
+ var val = this[offset + 1] | (this[offset] << 8)
+ return (val & 0x8000) ? val | 0xFFFF0000 : val
+}
+
+Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 4, this.length)
+
+ return (this[offset]) |
+ (this[offset + 1] << 8) |
+ (this[offset + 2] << 16) |
+ (this[offset + 3] << 24)
+}
+
+Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 4, this.length)
+
+ return (this[offset] << 24) |
+ (this[offset + 1] << 16) |
+ (this[offset + 2] << 8) |
+ (this[offset + 3])
+}
+
+Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 4, this.length)
+ return ieee754.read(this, offset, true, 23, 4)
+}
+
+Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 4, this.length)
+ return ieee754.read(this, offset, false, 23, 4)
+}
+
+Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 8, this.length)
+ return ieee754.read(this, offset, true, 52, 8)
+}
+
+Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
+ if (!noAssert) checkOffset(offset, 8, this.length)
+ return ieee754.read(this, offset, false, 52, 8)
+}
+
+function checkInt (buf, value, offset, ext, max, min) {
+ if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
+ if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
+ if (offset + ext > buf.length) throw new RangeError('Index out of range')
+}
+
+Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
+ value = +value
+ offset = offset | 0
+ byteLength = byteLength | 0
+ if (!noAssert) {
+ var maxBytes = Math.pow(2, 8 * byteLength) - 1
+ checkInt(this, value, offset, byteLength, maxBytes, 0)
+ }
+
+ var mul = 1
+ var i = 0
+ this[offset] = value & 0xFF
+ while (++i < byteLength && (mul *= 0x100)) {
+ this[offset + i] = (value / mul) & 0xFF
+ }
+
+ return offset + byteLength
+}
+
+Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
+ value = +value
+ offset = offset | 0
+ byteLength = byteLength | 0
+ if (!noAssert) {
+ var maxBytes = Math.pow(2, 8 * byteLength) - 1
+ checkInt(this, value, offset, byteLength, maxBytes, 0)
+ }
+
+ var i = byteLength - 1
+ var mul = 1
+ this[offset + i] = value & 0xFF
+ while (--i >= 0 && (mul *= 0x100)) {
+ this[offset + i] = (value / mul) & 0xFF
+ }
+
+ return offset + byteLength
+}
+
+Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
+ value = +value
+ offset = offset | 0
+ if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
+ if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
+ this[offset] = (value & 0xff)
+ return offset + 1
+}
+
+function objectWriteUInt16 (buf, value, offset, littleEndian) {
+ if (value < 0) value = 0xffff + value + 1
+ for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {
+ buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
+ (littleEndian ? i : 1 - i) * 8
+ }
+}
+
+Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
+ value = +value
+ offset = offset | 0
+ if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value & 0xff)
+ this[offset + 1] = (value >>> 8)
+ } else {
+ objectWriteUInt16(this, value, offset, true)
+ }
+ return offset + 2
+}
+
+Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
+ value = +value
+ offset = offset | 0
+ if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value >>> 8)
+ this[offset + 1] = (value & 0xff)
+ } else {
+ objectWriteUInt16(this, value, offset, false)
+ }
+ return offset + 2
+}
+
+function objectWriteUInt32 (buf, value, offset, littleEndian) {
+ if (value < 0) value = 0xffffffff + value + 1
+ for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {
+ buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff
+ }
+}
+
+Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
+ value = +value
+ offset = offset | 0
+ if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset + 3] = (value >>> 24)
+ this[offset + 2] = (value >>> 16)
+ this[offset + 1] = (value >>> 8)
+ this[offset] = (value & 0xff)
+ } else {
+ objectWriteUInt32(this, value, offset, true)
+ }
+ return offset + 4
+}
+
+Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
+ value = +value
+ offset = offset | 0
+ if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value >>> 24)
+ this[offset + 1] = (value >>> 16)
+ this[offset + 2] = (value >>> 8)
+ this[offset + 3] = (value & 0xff)
+ } else {
+ objectWriteUInt32(this, value, offset, false)
+ }
+ return offset + 4
+}
+
+Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
+ value = +value
+ offset = offset | 0
+ if (!noAssert) {
+ var limit = Math.pow(2, 8 * byteLength - 1)
+
+ checkInt(this, value, offset, byteLength, limit - 1, -limit)
+ }
+
+ var i = 0
+ var mul = 1
+ var sub = 0
+ this[offset] = value & 0xFF
+ while (++i < byteLength && (mul *= 0x100)) {
+ if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
+ sub = 1
+ }
+ this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+ }
+
+ return offset + byteLength
+}
+
+Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
+ value = +value
+ offset = offset | 0
+ if (!noAssert) {
+ var limit = Math.pow(2, 8 * byteLength - 1)
+
+ checkInt(this, value, offset, byteLength, limit - 1, -limit)
+ }
+
+ var i = byteLength - 1
+ var mul = 1
+ var sub = 0
+ this[offset + i] = value & 0xFF
+ while (--i >= 0 && (mul *= 0x100)) {
+ if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
+ sub = 1
+ }
+ this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+ }
+
+ return offset + byteLength
+}
+
+Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
+ value = +value
+ offset = offset | 0
+ if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
+ if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
+ if (value < 0) value = 0xff + value + 1
+ this[offset] = (value & 0xff)
+ return offset + 1
+}
+
+Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
+ value = +value
+ offset = offset | 0
+ if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value & 0xff)
+ this[offset + 1] = (value >>> 8)
+ } else {
+ objectWriteUInt16(this, value, offset, true)
+ }
+ return offset + 2
+}
+
+Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
+ value = +value
+ offset = offset | 0
+ if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value >>> 8)
+ this[offset + 1] = (value & 0xff)
+ } else {
+ objectWriteUInt16(this, value, offset, false)
+ }
+ return offset + 2
+}
+
+Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
+ value = +value
+ offset = offset | 0
+ if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value & 0xff)
+ this[offset + 1] = (value >>> 8)
+ this[offset + 2] = (value >>> 16)
+ this[offset + 3] = (value >>> 24)
+ } else {
+ objectWriteUInt32(this, value, offset, true)
+ }
+ return offset + 4
+}
+
+Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
+ value = +value
+ offset = offset | 0
+ if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+ if (value < 0) value = 0xffffffff + value + 1
+ if (Buffer.TYPED_ARRAY_SUPPORT) {
+ this[offset] = (value >>> 24)
+ this[offset + 1] = (value >>> 16)
+ this[offset + 2] = (value >>> 8)
+ this[offset + 3] = (value & 0xff)
+ } else {
+ objectWriteUInt32(this, value, offset, false)
+ }
+ return offset + 4
+}
+
+function checkIEEE754 (buf, value, offset, ext, max, min) {
+ if (offset + ext > buf.length) throw new RangeError('Index out of range')
+ if (offset < 0) throw new RangeError('Index out of range')
+}
+
+function writeFloat (buf, value, offset, littleEndian, noAssert) {
+ if (!noAssert) {
+ checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
+ }
+ ieee754.write(buf, value, offset, littleEndian, 23, 4)
+ return offset + 4
+}
+
+Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
+ return writeFloat(this, value, offset, true, noAssert)
+}
+
+Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
+ return writeFloat(this, value, offset, false, noAssert)
+}
+
+function writeDouble (buf, value, offset, littleEndian, noAssert) {
+ if (!noAssert) {
+ checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
+ }
+ ieee754.write(buf, value, offset, littleEndian, 52, 8)
+ return offset + 8
+}
+
+Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
+ return writeDouble(this, value, offset, true, noAssert)
+}
+
+Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
+ return writeDouble(this, value, offset, false, noAssert)
+}
+
+// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
+Buffer.prototype.copy = function copy (target, targetStart, start, end) {
+ if (!start) start = 0
+ if (!end && end !== 0) end = this.length
+ if (targetStart >= target.length) targetStart = target.length
+ if (!targetStart) targetStart = 0
+ if (end > 0 && end < start) end = start
+
+ // Copy 0 bytes; we're done
+ if (end === start) return 0
+ if (target.length === 0 || this.length === 0) return 0
+
+ // Fatal error conditions
+ if (targetStart < 0) {
+ throw new RangeError('targetStart out of bounds')
+ }
+ if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
+ if (end < 0) throw new RangeError('sourceEnd out of bounds')
+
+ // Are we oob?
+ if (end > this.length) end = this.length
+ if (target.length - targetStart < end - start) {
+ end = target.length - targetStart + start
+ }
+
+ var len = end - start
+ var i
+
+ if (this === target && start < targetStart && targetStart < end) {
+ // descending copy from end
+ for (i = len - 1; i >= 0; --i) {
+ target[i + targetStart] = this[i + start]
+ }
+ } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
+ // ascending copy from start
+ for (i = 0; i < len; ++i) {
+ target[i + targetStart] = this[i + start]
+ }
+ } else {
+ Uint8Array.prototype.set.call(
+ target,
+ this.subarray(start, start + len),
+ targetStart
+ )
+ }
+
+ return len
+}
+
+// Usage:
+// buffer.fill(number[, offset[, end]])
+// buffer.fill(buffer[, offset[, end]])
+// buffer.fill(string[, offset[, end]][, encoding])
+Buffer.prototype.fill = function fill (val, start, end, encoding) {
+ // Handle string cases:
+ if (typeof val === 'string') {
+ if (typeof start === 'string') {
+ encoding = start
+ start = 0
+ end = this.length
+ } else if (typeof end === 'string') {
+ encoding = end
+ end = this.length
+ }
+ if (val.length === 1) {
+ var code = val.charCodeAt(0)
+ if (code < 256) {
+ val = code
+ }
+ }
+ if (encoding !== undefined && typeof encoding !== 'string') {
+ throw new TypeError('encoding must be a string')
+ }
+ if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
+ throw new TypeError('Unknown encoding: ' + encoding)
+ }
+ } else if (typeof val === 'number') {
+ val = val & 255
+ }
+
+ // Invalid ranges are not set to a default, so can range check early.
+ if (start < 0 || this.length < start || this.length < end) {
+ throw new RangeError('Out of range index')
+ }
+
+ if (end <= start) {
+ return this
+ }
+
+ start = start >>> 0
+ end = end === undefined ? this.length : end >>> 0
+
+ if (!val) val = 0
+
+ var i
+ if (typeof val === 'number') {
+ for (i = start; i < end; ++i) {
+ this[i] = val
+ }
+ } else {
+ var bytes = Buffer.isBuffer(val)
+ ? val
+ : utf8ToBytes(new Buffer(val, encoding).toString())
+ var len = bytes.length
+ for (i = 0; i < end - start; ++i) {
+ this[i + start] = bytes[i % len]
+ }
+ }
+
+ return this
+}
+
+// HELPER FUNCTIONS
+// ================
+
+var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g
+
+function base64clean (str) {
+ // Node strips out invalid characters like \n and \t from the string, base64-js does not
+ str = stringtrim(str).replace(INVALID_BASE64_RE, '')
+ // Node converts strings with length < 2 to ''
+ if (str.length < 2) return ''
+ // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
+ while (str.length % 4 !== 0) {
+ str = str + '='
+ }
+ return str
+}
+
+function stringtrim (str) {
+ if (str.trim) return str.trim()
+ return str.replace(/^\s+|\s+$/g, '')
+}
+
+function toHex (n) {
+ if (n < 16) return '0' + n.toString(16)
+ return n.toString(16)
+}
+
+function utf8ToBytes (string, units) {
+ units = units || Infinity
+ var codePoint
+ var length = string.length
+ var leadSurrogate = null
+ var bytes = []
+
+ for (var i = 0; i < length; ++i) {
+ codePoint = string.charCodeAt(i)
+
+ // is surrogate component
+ if (codePoint > 0xD7FF && codePoint < 0xE000) {
+ // last char was a lead
+ if (!leadSurrogate) {
+ // no lead yet
+ if (codePoint > 0xDBFF) {
+ // unexpected trail
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+ continue
+ } else if (i + 1 === length) {
+ // unpaired lead
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+ continue
+ }
+
+ // valid lead
+ leadSurrogate = codePoint
+
+ continue
+ }
+
+ // 2 leads in a row
+ if (codePoint < 0xDC00) {
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+ leadSurrogate = codePoint
+ continue
+ }
+
+ // valid surrogate pair
+ codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
+ } else if (leadSurrogate) {
+ // valid bmp char, but last char was a lead
+ if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+ }
+
+ leadSurrogate = null
+
+ // encode utf8
+ if (codePoint < 0x80) {
+ if ((units -= 1) < 0) break
+ bytes.push(codePoint)
+ } else if (codePoint < 0x800) {
+ if ((units -= 2) < 0) break
+ bytes.push(
+ codePoint >> 0x6 | 0xC0,
+ codePoint & 0x3F | 0x80
+ )
+ } else if (codePoint < 0x10000) {
+ if ((units -= 3) < 0) break
+ bytes.push(
+ codePoint >> 0xC | 0xE0,
+ codePoint >> 0x6 & 0x3F | 0x80,
+ codePoint & 0x3F | 0x80
+ )
+ } else if (codePoint < 0x110000) {
+ if ((units -= 4) < 0) break
+ bytes.push(
+ codePoint >> 0x12 | 0xF0,
+ codePoint >> 0xC & 0x3F | 0x80,
+ codePoint >> 0x6 & 0x3F | 0x80,
+ codePoint & 0x3F | 0x80
+ )
+ } else {
+ throw new Error('Invalid code point')
+ }
+ }
+
+ return bytes
+}
+
+function asciiToBytes (str) {
+ var byteArray = []
+ for (var i = 0; i < str.length; ++i) {
+ // Node's code seems to be doing this and not & 0x7F..
+ byteArray.push(str.charCodeAt(i) & 0xFF)
+ }
+ return byteArray
+}
+
+function utf16leToBytes (str, units) {
+ var c, hi, lo
+ var byteArray = []
+ for (var i = 0; i < str.length; ++i) {
+ if ((units -= 2) < 0) break
+
+ c = str.charCodeAt(i)
+ hi = c >> 8
+ lo = c % 256
+ byteArray.push(lo)
+ byteArray.push(hi)
+ }
+
+ return byteArray
+}
+
+function base64ToBytes (str) {
+ return base64.toByteArray(base64clean(str))
+}
+
+function blitBuffer (src, dst, offset, length) {
+ for (var i = 0; i < length; ++i) {
+ if ((i + offset >= dst.length) || (i >= src.length)) break
+ dst[i + offset] = src[i]
+ }
+ return i
+}
+
+function isnan (val) {
+ return val !== val // eslint-disable-line no-self-compare
+}
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{"base64-js":4,"ieee754":18,"isarray":9}],9:[function(_dereq_,module,exports){
+var toString = {}.toString;
+
+module.exports = Array.isArray || function (arr) {
+ return toString.call(arr) == '[object Array]';
+};
+
+},{}],10:[function(_dereq_,module,exports){
+
+/**
+ * This is the web browser implementation of `debug()`.
+ *
+ * Expose `debug()` as the module.
+ */
+
+exports = module.exports = _dereq_('./debug');
+exports.log = log;
+exports.formatArgs = formatArgs;
+exports.save = save;
+exports.load = load;
+exports.useColors = useColors;
+exports.storage = 'undefined' != typeof chrome
+ && 'undefined' != typeof chrome.storage
+ ? chrome.storage.local
+ : localstorage();
+
+/**
+ * Colors.
+ */
+
+exports.colors = [
+ 'lightseagreen',
+ 'forestgreen',
+ 'goldenrod',
+ 'dodgerblue',
+ 'darkorchid',
+ 'crimson'
+];
+
+/**
+ * Currently only WebKit-based Web Inspectors, Firefox >= v31,
+ * and the Firebug extension (any Firefox version) are known
+ * to support "%c" CSS customizations.
+ *
+ * TODO: add a `localStorage` variable to explicitly enable/disable colors
+ */
+
+function useColors() {
+ // is webkit? http://stackoverflow.com/a/16459606/376773
+ return ('WebkitAppearance' in document.documentElement.style) ||
+ // is firebug? http://stackoverflow.com/a/398120/376773
+ (window.console && (console.firebug || (console.exception && console.table))) ||
+ // is firefox >= v31?
+ // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
+ (navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31);
+}
+
+/**
+ * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
+ */
+
+exports.formatters.j = function(v) {
+ return JSON.stringify(v);
+};
+
+
+/**
+ * Colorize log arguments if enabled.
+ *
+ * @api public
+ */
+
+function formatArgs() {
+ var args = arguments;
+ var useColors = this.useColors;
+
+ args[0] = (useColors ? '%c' : '')
+ + this.namespace
+ + (useColors ? ' %c' : ' ')
+ + args[0]
+ + (useColors ? '%c ' : ' ');
+
+ if (!useColors) return args;
+
+ var c = 'color: ' + this.color;
+ args = [args[0], c, 'color: inherit'].concat(Array.prototype.slice.call(args, 1));
+
+ // the final "%c" is somewhat tricky, because there could be other
+ // arguments passed either before or after the %c, so we need to
+ // figure out the correct index to insert the CSS into
+ var index = 0;
+ var lastC = 0;
+ args[0].replace(/%[a-z%]/g, function(match) {
+ if ('%%' === match) return;
+ index++;
+ if ('%c' === match) {
+ // we only are interested in the *last* %c
+ // (the user may have provided their own)
+ lastC = index;
+ }
+ });
+
+ args.splice(lastC, 0, c);
+ return args;
+}
+
+/**
+ * Invokes `console.log()` when available.
+ * No-op when `console.log` is not a "function".
+ *
+ * @api public
+ */
+
+function log() {
+ // this hackery is required for IE8/9, where
+ // the `console.log` function doesn't have 'apply'
+ return 'object' === typeof console
+ && console.log
+ && Function.prototype.apply.call(console.log, console, arguments);
+}
+
+/**
+ * Save `namespaces`.
+ *
+ * @param {String} namespaces
+ * @api private
+ */
+
+function save(namespaces) {
+ try {
+ if (null == namespaces) {
+ exports.storage.removeItem('debug');
+ } else {
+ exports.storage.debug = namespaces;
+ }
+ } catch(e) {}
+}
+
+/**
+ * Load `namespaces`.
+ *
+ * @return {String} returns the previously persisted debug modes
+ * @api private
+ */
+
+function load() {
+ var r;
+ try {
+ r = exports.storage.debug;
+ } catch(e) {}
+ return r;
+}
+
+/**
+ * Enable namespaces listed in `localStorage.debug` initially.
+ */
+
+exports.enable(load());
+
+/**
+ * Localstorage attempts to return the localstorage.
+ *
+ * This is necessary because safari throws
+ * when a user disables cookies/localstorage
+ * and you attempt to access it.
+ *
+ * @return {LocalStorage}
+ * @api private
+ */
+
+function localstorage(){
+ try {
+ return window.localStorage;
+ } catch (e) {}
+}
+
+},{"./debug":11}],11:[function(_dereq_,module,exports){
+
+/**
+ * This is the common logic for both the Node.js and web browser
+ * implementations of `debug()`.
+ *
+ * Expose `debug()` as the module.
+ */
+
+exports = module.exports = debug;
+exports.coerce = coerce;
+exports.disable = disable;
+exports.enable = enable;
+exports.enabled = enabled;
+
+/**
+ * The currently active debug mode names, and names to skip.
+ */
+
+exports.names = [];
+exports.skips = [];
+
+/**
+ * Map of special "%n" handling functions, for the debug "format" argument.
+ *
+ * Valid key names are a single, lowercased letter, i.e. "n".
+ */
+
+exports.formatters = {};
+
+/**
+ * Previously assigned color.
+ */
+
+var prevColor = 0;
+
+/**
+ * Select a color.
+ *
+ * @return {Number}
+ * @api private
+ */
+
+function selectColor() {
+ return exports.colors[prevColor++ % exports.colors.length];
+}
+
+/**
+ * Create a debugger with the given `namespace`.
+ *
+ * @param {String} namespace
+ * @return {Function}
+ * @api public
+ */
+
+function debug(namespace) {
+
+ // define the `disabled` version
+ function disabled() {
+ }
+ disabled.enabled = false;
+
+ // define the `enabled` version
+ function enabled() {
+
+ var self = enabled;
+
+ // add the `color` if not set
+ if (null == self.useColors) self.useColors = exports.useColors();
+ if (null == self.color && self.useColors) self.color = selectColor();
+
+ var args = Array.prototype.slice.call(arguments);
+
+ args[0] = exports.coerce(args[0]);
+
+ if ('string' !== typeof args[0]) {
+ // anything else let's inspect with %o
+ args = ['%o'].concat(args);
+ }
+
+ // apply any `formatters` transformations
+ var index = 0;
+ args[0] = args[0].replace(/%([a-z%])/g, function(match, format) {
+ // if we encounter an escaped % then don't increase the array index
+ if (match === '%%') return match;
+ index++;
+ var formatter = exports.formatters[format];
+ if ('function' === typeof formatter) {
+ var val = args[index];
+ match = formatter.call(self, val);
+
+ // now we need to remove `args[index]` since it's inlined in the `format`
+ args.splice(index, 1);
+ index--;
+ }
+ return match;
+ });
+
+ if ('function' === typeof exports.formatArgs) {
+ args = exports.formatArgs.apply(self, args);
+ }
+ var logFn = enabled.log || exports.log || console.log.bind(console);
+ logFn.apply(self, args);
+ }
+ enabled.enabled = true;
+
+ var fn = exports.enabled(namespace) ? enabled : disabled;
+
+ fn.namespace = namespace;
+
+ return fn;
+}
+
+/**
+ * Enables a debug mode by namespaces. This can include modes
+ * separated by a colon and wildcards.
+ *
+ * @param {String} namespaces
+ * @api public
+ */
+
+function enable(namespaces) {
+ exports.save(namespaces);
+
+ var split = (namespaces || '').split(/[\s,]+/);
+ var len = split.length;
+
+ for (var i = 0; i < len; i++) {
+ if (!split[i]) continue; // ignore empty strings
+ namespaces = split[i].replace(/\*/g, '.*?');
+ if (namespaces[0] === '-') {
+ exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
+ } else {
+ exports.names.push(new RegExp('^' + namespaces + '$'));
+ }
+ }
+}
+
+/**
+ * Disable debug output.
+ *
+ * @api public
+ */
+
+function disable() {
+ exports.enable('');
+}
+
+/**
+ * Returns true if the given mode name is enabled, false otherwise.
+ *
+ * @param {String} name
+ * @return {Boolean}
+ * @api public
+ */
+
+function enabled(name) {
+ var i, len;
+ for (i = 0, len = exports.skips.length; i < len; i++) {
+ if (exports.skips[i].test(name)) {
+ return false;
+ }
+ }
+ for (i = 0, len = exports.names.length; i < len; i++) {
+ if (exports.names[i].test(name)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+/**
+ * Coerce `val`.
+ *
+ * @param {Mixed} val
+ * @return {Mixed}
+ * @api private
+ */
+
+function coerce(val) {
+ if (val instanceof Error) return val.stack || val.message;
+ return val;
+}
+
+},{}],12:[function(_dereq_,module,exports){
+'use strict';
+var isObj = _dereq_('is-obj');
+var hasOwnProperty = Object.prototype.hasOwnProperty;
+var propIsEnumerable = Object.prototype.propertyIsEnumerable;
+
+function toObject(val) {
+ if (val === null || val === undefined) {
+ throw new TypeError('Sources cannot be null or undefined');
+ }
+
+ return Object(val);
+}
+
+function assignKey(to, from, key) {
+ var val = from[key];
+
+ if (val === undefined || val === null) {
+ return;
+ }
+
+ if (hasOwnProperty.call(to, key)) {
+ if (to[key] === undefined || to[key] === null) {
+ throw new TypeError('Cannot convert undefined or null to object (' + key + ')');
+ }
+ }
+
+ if (!hasOwnProperty.call(to, key) || !isObj(val)) {
+ to[key] = val;
+ } else {
+ to[key] = assign(Object(to[key]), from[key]);
+ }
+}
+
+function assign(to, from) {
+ if (to === from) {
+ return to;
+ }
+
+ from = Object(from);
+
+ for (var key in from) {
+ if (hasOwnProperty.call(from, key)) {
+ assignKey(to, from, key);
+ }
+ }
+
+ if (Object.getOwnPropertySymbols) {
+ var symbols = Object.getOwnPropertySymbols(from);
+
+ for (var i = 0; i < symbols.length; i++) {
+ if (propIsEnumerable.call(from, symbols[i])) {
+ assignKey(to, from, symbols[i]);
+ }
+ }
+ }
+
+ return to;
+}
+
+module.exports = function deepAssign(target) {
+ target = toObject(target);
+
+ for (var s = 1; s < arguments.length; s++) {
+ assign(target, arguments[s]);
+ }
+
+ return target;
+};
+
+},{"is-obj":22}],13:[function(_dereq_,module,exports){
+/*! (C) WebReflection Mit Style License */
+(function(t,n,r,i){"use strict";function st(e,t){for(var n=0,r=e.length;n<r;n++)gt(e[n],t)}function ot(e){for(var t=0,n=e.length,r;t<n;t++)r=e[t],it(r,w[at(r)])}function ut(e){return function(t){F(t)&&(gt(t,e),st(t.querySelectorAll(E),e))}}function at(e){var t=R.call(e,"is"),n=e.nodeName.toUpperCase(),r=x.call(b,t?m+t.toUpperCase():v+n);return t&&-1<r&&!ft(n,t)?-1:r}function ft(e,t){return-1<E.indexOf(e+'[is="'+t+'"]')}function lt(e){var t=e.currentTarget,n=e.attrChange,r=e.attrName,i=e.target;Y&&(!i||i===t)&&t.attributeChangedCallback&&r!=="style"&&e.prevValue!==e.newValue&&t.attributeChangedCallback(r,n===e[f]?null:e.prevValue,n===e[c]?null:e.newValue)}function ct(e){var t=ut(e);return function(e){$.push(t,e.target)}}function ht(e){G&&(G=!1,e.currentTarget.removeEventListener(p,ht)),st((e.target||n).querySelectorAll(E),e.detail===u?u:o),j&&vt()}function pt(e,t){var n=this;U.call(n,e,t),Z.call(n,{target:n})}function 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+},{}],14:[function(_dereq_,module,exports){
+module.exports = function(dtype) {
+ switch (dtype) {
+ case 'int8':
+ return Int8Array
+ case 'int16':
+ return Int16Array
+ case 'int32':
+ return Int32Array
+ case 'uint8':
+ return Uint8Array
+ case 'uint16':
+ return Uint16Array
+ case 'uint32':
+ return Uint32Array
+ case 'float32':
+ return Float32Array
+ case 'float64':
+ return Float64Array
+ case 'array':
+ return Array
+ case 'uint8_clamped':
+ return Uint8ClampedArray
+ }
+}
+
+},{}],15:[function(_dereq_,module,exports){
+/*eslint new-cap:0*/
+var dtype = _dereq_('dtype')
+module.exports = flattenVertexData
+function flattenVertexData (data, output, offset) {
+ if (!data) throw new TypeError('must specify data as first parameter')
+ offset = +(offset || 0) | 0
+
+ if (Array.isArray(data) && Array.isArray(data[0])) {
+ var dim = data[0].length
+ var length = data.length * dim
+
+ // no output specified, create a new typed array
+ if (!output || typeof output === 'string') {
+ output = new (dtype(output || 'float32'))(length + offset)
+ }
+
+ var dstLength = output.length - offset
+ if (length !== dstLength) {
+ throw new Error('source length ' + length + ' (' + dim + 'x' + data.length + ')' +
+ ' does not match destination length ' + dstLength)
+ }
+
+ for (var i = 0, k = offset; i < data.length; i++) {
+ for (var j = 0; j < dim; j++) {
+ output[k++] = data[i][j]
+ }
+ }
+ } else {
+ if (!output || typeof output === 'string') {
+ // no output, create a new one
+ var Ctor = dtype(output || 'float32')
+ if (offset === 0) {
+ output = new Ctor(data)
+ } else {
+ output = new Ctor(data.length + offset)
+ output.set(data, offset)
+ }
+ } else {
+ // store output in existing array
+ output.set(data, offset)
+ }
+ }
+
+ return output
+}
+
+},{"dtype":14}],16:[function(_dereq_,module,exports){
+var isFunction = _dereq_('is-function')
+
+module.exports = forEach
+
+var toString = Object.prototype.toString
+var hasOwnProperty = Object.prototype.hasOwnProperty
+
+function forEach(list, iterator, context) {
+ if (!isFunction(iterator)) {
+ throw new TypeError('iterator must be a function')
+ }
+
+ if (arguments.length < 3) {
+ context = this
+ }
+
+ if (toString.call(list) === '[object Array]')
+ forEachArray(list, iterator, context)
+ else if (typeof list === 'string')
+ forEachString(list, iterator, context)
+ else
+ forEachObject(list, iterator, context)
+}
+
+function forEachArray(array, iterator, context) {
+ for (var i = 0, len = array.length; i < len; i++) {
+ if (hasOwnProperty.call(array, i)) {
+ iterator.call(context, array[i], i, array)
+ }
+ }
+}
+
+function forEachString(string, iterator, context) {
+ for (var i = 0, len = string.length; i < len; i++) {
+ // no such thing as a sparse string.
+ iterator.call(context, string.charAt(i), i, string)
+ }
+}
+
+function forEachObject(object, iterator, context) {
+ for (var k in object) {
+ if (hasOwnProperty.call(object, k)) {
+ iterator.call(context, object[k], k, object)
+ }
+ }
+}
+
+},{"is-function":21}],17:[function(_dereq_,module,exports){
+(function (global){
+var win;
+
+if (typeof window !== "undefined") {
+ win = window;
+} else if (typeof global !== "undefined") {
+ win = global;
+} else if (typeof self !== "undefined"){
+ win = self;
+} else {
+ win = {};
+}
+
+module.exports = win;
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{}],18:[function(_dereq_,module,exports){
+exports.read = function (buffer, offset, isLE, mLen, nBytes) {
+ var e, m
+ var eLen = nBytes * 8 - mLen - 1
+ var eMax = (1 << eLen) - 1
+ var eBias = eMax >> 1
+ var nBits = -7
+ var i = isLE ? (nBytes - 1) : 0
+ var d = isLE ? -1 : 1
+ var s = buffer[offset + i]
+
+ i += d
+
+ e = s & ((1 << (-nBits)) - 1)
+ s >>= (-nBits)
+ nBits += eLen
+ for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+ m = e & ((1 << (-nBits)) - 1)
+ e >>= (-nBits)
+ nBits += mLen
+ for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+ if (e === 0) {
+ e = 1 - eBias
+ } else if (e === eMax) {
+ return m ? NaN : ((s ? -1 : 1) * Infinity)
+ } else {
+ m = m + Math.pow(2, mLen)
+ e = e - eBias
+ }
+ return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
+}
+
+exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
+ var e, m, c
+ var eLen = nBytes * 8 - mLen - 1
+ var eMax = (1 << eLen) - 1
+ var eBias = eMax >> 1
+ var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
+ var i = isLE ? 0 : (nBytes - 1)
+ var d = isLE ? 1 : -1
+ var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
+
+ value = Math.abs(value)
+
+ if (isNaN(value) || value === Infinity) {
+ m = isNaN(value) ? 1 : 0
+ e = eMax
+ } else {
+ e = Math.floor(Math.log(value) / Math.LN2)
+ if (value * (c = Math.pow(2, -e)) < 1) {
+ e--
+ c *= 2
+ }
+ if (e + eBias >= 1) {
+ value += rt / c
+ } else {
+ value += rt * Math.pow(2, 1 - eBias)
+ }
+ if (value * c >= 2) {
+ e++
+ c /= 2
+ }
+
+ if (e + eBias >= eMax) {
+ m = 0
+ e = eMax
+ } else if (e + eBias >= 1) {
+ m = (value * c - 1) * Math.pow(2, mLen)
+ e = e + eBias
+ } else {
+ m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
+ e = 0
+ }
+ }
+
+ for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
+
+ e = (e << mLen) | m
+ eLen += mLen
+ for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
+
+ buffer[offset + i - d] |= s * 128
+}
+
+},{}],19:[function(_dereq_,module,exports){
+if (typeof Object.create === 'function') {
+ // implementation from standard node.js 'util' module
+ module.exports = function inherits(ctor, superCtor) {
+ ctor.super_ = superCtor
+ ctor.prototype = Object.create(superCtor.prototype, {
+ constructor: {
+ value: ctor,
+ enumerable: false,
+ writable: true,
+ configurable: true
+ }
+ });
+ };
+} else {
+ // old school shim for old browsers
+ module.exports = function inherits(ctor, superCtor) {
+ ctor.super_ = superCtor
+ var TempCtor = function () {}
+ TempCtor.prototype = superCtor.prototype
+ ctor.prototype = new TempCtor()
+ ctor.prototype.constructor = ctor
+ }
+}
+
+},{}],20:[function(_dereq_,module,exports){
+/*!
+ * Determine if an object is a Buffer
+ *
+ * @author Feross Aboukhadijeh <https://feross.org>
+ * @license MIT
+ */
+
+// The _isBuffer check is for Safari 5-7 support, because it's missing
+// Object.prototype.constructor. Remove this eventually
+module.exports = function (obj) {
+ return obj != null && (isBuffer(obj) || isSlowBuffer(obj) || !!obj._isBuffer)
+}
+
+function isBuffer (obj) {
+ return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
+}
+
+// For Node v0.10 support. Remove this eventually.
+function isSlowBuffer (obj) {
+ return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer(obj.slice(0, 0))
+}
+
+},{}],21:[function(_dereq_,module,exports){
+module.exports = isFunction
+
+var toString = Object.prototype.toString
+
+function isFunction (fn) {
+ var string = toString.call(fn)
+ return string === '[object Function]' ||
+ (typeof fn === 'function' && string !== '[object RegExp]') ||
+ (typeof window !== 'undefined' &&
+ // IE8 and below
+ (fn === window.setTimeout ||
+ fn === window.alert ||
+ fn === window.confirm ||
+ fn === window.prompt))
+};
+
+},{}],22:[function(_dereq_,module,exports){
+'use strict';
+module.exports = function (x) {
+ var type = typeof x;
+ return x !== null && (type === 'object' || type === 'function');
+};
+
+},{}],23:[function(_dereq_,module,exports){
+var wordWrap = _dereq_('word-wrapper')
+var xtend = _dereq_('xtend')
+var number = _dereq_('as-number')
+
+var X_HEIGHTS = ['x', 'e', 'a', 'o', 'n', 's', 'r', 'c', 'u', 'm', 'v', 'w', 'z']
+var M_WIDTHS = ['m', 'w']
+var CAP_HEIGHTS = ['H', 'I', 'N', 'E', 'F', 'K', 'L', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z']
+
+
+var TAB_ID = '\t'.charCodeAt(0)
+var SPACE_ID = ' '.charCodeAt(0)
+var ALIGN_LEFT = 0,
+ ALIGN_CENTER = 1,
+ ALIGN_RIGHT = 2
+
+module.exports = function createLayout(opt) {
+ return new TextLayout(opt)
+}
+
+function TextLayout(opt) {
+ this.glyphs = []
+ this._measure = this.computeMetrics.bind(this)
+ this.update(opt)
+}
+
+TextLayout.prototype.update = function(opt) {
+ opt = xtend({
+ measure: this._measure
+ }, opt)
+ this._opt = opt
+ this._opt.tabSize = number(this._opt.tabSize, 4)
+
+ if (!opt.font)
+ throw new Error('must provide a valid bitmap font')
+
+ var glyphs = this.glyphs
+ var text = opt.text||''
+ var font = opt.font
+ this._setupSpaceGlyphs(font)
+
+ var lines = wordWrap.lines(text, opt)
+ var minWidth = opt.width || 0
+
+ //clear glyphs
+ glyphs.length = 0
+
+ //get max line width
+ var maxLineWidth = lines.reduce(function(prev, line) {
+ return Math.max(prev, line.width, minWidth)
+ }, 0)
+
+ //the pen position
+ var x = 0
+ var y = 0
+ var lineHeight = number(opt.lineHeight, font.common.lineHeight)
+ var baseline = font.common.base
+ var descender = lineHeight-baseline
+ var letterSpacing = opt.letterSpacing || 0
+ var height = lineHeight * lines.length - descender
+ var align = getAlignType(this._opt.align)
+
+ //draw text along baseline
+ y -= height
+
+ //the metrics for this text layout
+ this._width = maxLineWidth
+ this._height = height
+ this._descender = lineHeight - baseline
+ this._baseline = baseline
+ this._xHeight = getXHeight(font)
+ this._capHeight = getCapHeight(font)
+ this._lineHeight = lineHeight
+ this._ascender = lineHeight - descender - this._xHeight
+
+ //layout each glyph
+ var self = this
+ lines.forEach(function(line, lineIndex) {
+ var start = line.start
+ var end = line.end
+ var lineWidth = line.width
+ var lastGlyph
+
+ //for each glyph in that line...
+ for (var i=start; i<end; i++) {
+ var id = text.charCodeAt(i)
+ var glyph = self.getGlyph(font, id)
+ if (glyph) {
+ if (lastGlyph)
+ x += getKerning(font, lastGlyph.id, glyph.id)
+
+ var tx = x
+ if (align === ALIGN_CENTER)
+ tx += (maxLineWidth-lineWidth)/2
+ else if (align === ALIGN_RIGHT)
+ tx += (maxLineWidth-lineWidth)
+
+ glyphs.push({
+ position: [tx, y],
+ data: glyph,
+ index: i,
+ line: lineIndex
+ })
+
+ //move pen forward
+ x += glyph.xadvance + letterSpacing
+ lastGlyph = glyph
+ }
+ }
+
+ //next line down
+ y += lineHeight
+ x = 0
+ })
+ this._linesTotal = lines.length;
+}
+
+TextLayout.prototype._setupSpaceGlyphs = function(font) {
+ //These are fallbacks, when the font doesn't include
+ //' ' or '\t' glyphs
+ this._fallbackSpaceGlyph = null
+ this._fallbackTabGlyph = null
+
+ if (!font.chars || font.chars.length === 0)
+ return
+
+ //try to get space glyph
+ //then fall back to the 'm' or 'w' glyphs
+ //then fall back to the first glyph available
+ var space = getGlyphById(font, SPACE_ID)
+ || getMGlyph(font)
+ || font.chars[0]
+
+ //and create a fallback for tab
+ var tabWidth = this._opt.tabSize * space.xadvance
+ this._fallbackSpaceGlyph = space
+ this._fallbackTabGlyph = xtend(space, {
+ x: 0, y: 0, xadvance: tabWidth, id: TAB_ID,
+ xoffset: 0, yoffset: 0, width: 0, height: 0
+ })
+}
+
+TextLayout.prototype.getGlyph = function(font, id) {
+ var glyph = getGlyphById(font, id)
+ if (glyph)
+ return glyph
+ else if (id === TAB_ID)
+ return this._fallbackTabGlyph
+ else if (id === SPACE_ID)
+ return this._fallbackSpaceGlyph
+ return null
+}
+
+TextLayout.prototype.computeMetrics = function(text, start, end, width) {
+ var letterSpacing = this._opt.letterSpacing || 0
+ var font = this._opt.font
+ var curPen = 0
+ var curWidth = 0
+ var count = 0
+ var glyph
+ var lastGlyph
+
+ if (!font.chars || font.chars.length === 0) {
+ return {
+ start: start,
+ end: start,
+ width: 0
+ }
+ }
+
+ end = Math.min(text.length, end)
+ for (var i=start; i < end; i++) {
+ var id = text.charCodeAt(i)
+ var glyph = this.getGlyph(font, id)
+
+ if (glyph) {
+ //move pen forward
+ var xoff = glyph.xoffset
+ var kern = lastGlyph ? getKerning(font, lastGlyph.id, glyph.id) : 0
+ curPen += kern
+
+ var nextPen = curPen + glyph.xadvance + letterSpacing
+ var nextWidth = curPen + glyph.width
+
+ //we've hit our limit; we can't move onto the next glyph
+ if (nextWidth >= width || nextPen >= width)
+ break
+
+ //otherwise continue along our line
+ curPen = nextPen
+ curWidth = nextWidth
+ lastGlyph = glyph
+ }
+ count++
+ }
+
+ //make sure rightmost edge lines up with rendered glyphs
+ if (lastGlyph)
+ curWidth += lastGlyph.xoffset
+
+ return {
+ start: start,
+ end: start + count,
+ width: curWidth
+ }
+}
+
+//getters for the private vars
+;['width', 'height',
+ 'descender', 'ascender',
+ 'xHeight', 'baseline',
+ 'capHeight',
+ 'lineHeight' ].forEach(addGetter)
+
+function addGetter(name) {
+ Object.defineProperty(TextLayout.prototype, name, {
+ get: wrapper(name),
+ configurable: true
+ })
+}
+
+//create lookups for private vars
+function wrapper(name) {
+ return (new Function([
+ 'return function '+name+'() {',
+ ' return this._'+name,
+ '}'
+ ].join('\n')))()
+}
+
+function getGlyphById(font, id) {
+ if (!font.chars || font.chars.length === 0)
+ return null
+
+ var glyphIdx = findChar(font.chars, id)
+ if (glyphIdx >= 0)
+ return font.chars[glyphIdx]
+ return null
+}
+
+function getXHeight(font) {
+ for (var i=0; i<X_HEIGHTS.length; i++) {
+ var id = X_HEIGHTS[i].charCodeAt(0)
+ var idx = findChar(font.chars, id)
+ if (idx >= 0)
+ return font.chars[idx].height
+ }
+ return 0
+}
+
+function getMGlyph(font) {
+ for (var i=0; i<M_WIDTHS.length; i++) {
+ var id = M_WIDTHS[i].charCodeAt(0)
+ var idx = findChar(font.chars, id)
+ if (idx >= 0)
+ return font.chars[idx]
+ }
+ return 0
+}
+
+function getCapHeight(font) {
+ for (var i=0; i<CAP_HEIGHTS.length; i++) {
+ var id = CAP_HEIGHTS[i].charCodeAt(0)
+ var idx = findChar(font.chars, id)
+ if (idx >= 0)
+ return font.chars[idx].height
+ }
+ return 0
+}
+
+function getKerning(font, left, right) {
+ if (!font.kernings || font.kernings.length === 0)
+ return 0
+
+ var table = font.kernings
+ for (var i=0; i<table.length; i++) {
+ var kern = table[i]
+ if (kern.first === left && kern.second === right)
+ return kern.amount
+ }
+ return 0
+}
+
+function getAlignType(align) {
+ if (align === 'center')
+ return ALIGN_CENTER
+ else if (align === 'right')
+ return ALIGN_RIGHT
+ return ALIGN_LEFT
+}
+
+function findChar (array, value, start) {
+ start = start || 0
+ for (var i = start; i < array.length; i++) {
+ if (array[i].id === value) {
+ return i
+ }
+ }
+ return -1
+}
+},{"as-number":3,"word-wrapper":71,"xtend":74}],24:[function(_dereq_,module,exports){
+(function (Buffer){
+var xhr = _dereq_('xhr')
+var noop = function(){}
+var parseASCII = _dereq_('parse-bmfont-ascii')
+var parseXML = _dereq_('parse-bmfont-xml')
+var readBinary = _dereq_('parse-bmfont-binary')
+var isBinaryFormat = _dereq_('./lib/is-binary')
+var xtend = _dereq_('xtend')
+
+var xml2 = (function hasXML2() {
+ return self.XMLHttpRequest && "withCredentials" in new XMLHttpRequest
+})()
+
+module.exports = function(opt, cb) {
+ cb = typeof cb === 'function' ? cb : noop
+
+ if (typeof opt === 'string')
+ opt = { uri: opt }
+ else if (!opt)
+ opt = {}
+
+ var expectBinary = opt.binary
+ if (expectBinary)
+ opt = getBinaryOpts(opt)
+
+ xhr(opt, function(err, res, body) {
+ if (err)
+ return cb(err)
+ if (!/^2/.test(res.statusCode))
+ return cb(new Error('http status code: '+res.statusCode))
+ if (!body)
+ return cb(new Error('no body result'))
+
+ var binary = false
+
+ //if the response type is an array buffer,
+ //we need to convert it into a regular Buffer object
+ if (isArrayBuffer(body)) {
+ var array = new Uint8Array(body)
+ body = new Buffer(array, 'binary')
+ }
+
+ //now check the string/Buffer response
+ //and see if it has a binary BMF header
+ if (isBinaryFormat(body)) {
+ binary = true
+ //if we have a string, turn it into a Buffer
+ if (typeof body === 'string')
+ body = new Buffer(body, 'binary')
+ }
+
+ //we are not parsing a binary format, just ASCII/XML/etc
+ if (!binary) {
+ //might still be a buffer if responseType is 'arraybuffer'
+ if (Buffer.isBuffer(body))
+ body = body.toString(opt.encoding)
+ body = body.trim()
+ }
+
+ var result
+ try {
+ var type = res.headers['content-type']
+ if (binary)
+ result = readBinary(body)
+ else if (/json/.test(type) || body.charAt(0) === '{')
+ result = JSON.parse(body)
+ else if (/xml/.test(type) || body.charAt(0) === '<')
+ result = parseXML(body)
+ else
+ result = parseASCII(body)
+ } catch (e) {
+ cb(new Error('error parsing font '+e.message))
+ cb = noop
+ }
+ cb(null, result)
+ })
+}
+
+function isArrayBuffer(arr) {
+ var str = Object.prototype.toString
+ return str.call(arr) === '[object ArrayBuffer]'
+}
+
+function getBinaryOpts(opt) {
+ //IE10+ and other modern browsers support array buffers
+ if (xml2)
+ return xtend(opt, { responseType: 'arraybuffer' })
+
+ if (typeof self.XMLHttpRequest === 'undefined')
+ throw new Error('your browser does not support XHR loading')
+
+ //IE9 and XML1 browsers could still use an override
+ var req = new self.XMLHttpRequest()
+ req.overrideMimeType('text/plain; charset=x-user-defined')
+ return xtend({
+ xhr: req
+ }, opt)
+}
+
+}).call(this,_dereq_("buffer").Buffer)
+
+},{"./lib/is-binary":25,"buffer":8,"parse-bmfont-ascii":27,"parse-bmfont-binary":28,"parse-bmfont-xml":29,"xhr":72,"xtend":74}],25:[function(_dereq_,module,exports){
+(function (Buffer){
+var equal = _dereq_('buffer-equal')
+var HEADER = new Buffer([66, 77, 70, 3])
+
+module.exports = function(buf) {
+ if (typeof buf === 'string')
+ return buf.substring(0, 3) === 'BMF'
+ return buf.length > 4 && equal(buf.slice(0, 4), HEADER)
+}
+}).call(this,_dereq_("buffer").Buffer)
+
+},{"buffer":8,"buffer-equal":7}],26:[function(_dereq_,module,exports){
+/*
+object-assign
+(c) Sindre Sorhus
+@license MIT
+*/
+
+'use strict';
+/* eslint-disable no-unused-vars */
+var getOwnPropertySymbols = Object.getOwnPropertySymbols;
+var hasOwnProperty = Object.prototype.hasOwnProperty;
+var propIsEnumerable = Object.prototype.propertyIsEnumerable;
+
+function toObject(val) {
+ if (val === null || val === undefined) {
+ throw new TypeError('Object.assign cannot be called with null or undefined');
+ }
+
+ return Object(val);
+}
+
+function shouldUseNative() {
+ try {
+ if (!Object.assign) {
+ return false;
+ }
+
+ // Detect buggy property enumeration order in older V8 versions.
+
+ // https://bugs.chromium.org/p/v8/issues/detail?id=4118
+ var test1 = new String('abc'); // eslint-disable-line no-new-wrappers
+ test1[5] = 'de';
+ if (Object.getOwnPropertyNames(test1)[0] === '5') {
+ return false;
+ }
+
+ // https://bugs.chromium.org/p/v8/issues/detail?id=3056
+ var test2 = {};
+ for (var i = 0; i < 10; i++) {
+ test2['_' + String.fromCharCode(i)] = i;
+ }
+ var order2 = Object.getOwnPropertyNames(test2).map(function (n) {
+ return test2[n];
+ });
+ if (order2.join('') !== '0123456789') {
+ return false;
+ }
+
+ // https://bugs.chromium.org/p/v8/issues/detail?id=3056
+ var test3 = {};
+ 'abcdefghijklmnopqrst'.split('').forEach(function (letter) {
+ test3[letter] = letter;
+ });
+ if (Object.keys(Object.assign({}, test3)).join('') !==
+ 'abcdefghijklmnopqrst') {
+ return false;
+ }
+
+ return true;
+ } catch (err) {
+ // We don't expect any of the above to throw, but better to be safe.
+ return false;
+ }
+}
+
+module.exports = shouldUseNative() ? Object.assign : function (target, source) {
+ var from;
+ var to = toObject(target);
+ var symbols;
+
+ for (var s = 1; s < arguments.length; s++) {
+ from = Object(arguments[s]);
+
+ for (var key in from) {
+ if (hasOwnProperty.call(from, key)) {
+ to[key] = from[key];
+ }
+ }
+
+ if (getOwnPropertySymbols) {
+ symbols = getOwnPropertySymbols(from);
+ for (var i = 0; i < symbols.length; i++) {
+ if (propIsEnumerable.call(from, symbols[i])) {
+ to[symbols[i]] = from[symbols[i]];
+ }
+ }
+ }
+ }
+
+ return to;
+};
+
+},{}],27:[function(_dereq_,module,exports){
+module.exports = function parseBMFontAscii(data) {
+ if (!data)
+ throw new Error('no data provided')
+ data = data.toString().trim()
+
+ var output = {
+ pages: [],
+ chars: [],
+ kernings: []
+ }
+
+ var lines = data.split(/\r\n?|\n/g)
+
+ if (lines.length === 0)
+ throw new Error('no data in BMFont file')
+
+ for (var i = 0; i < lines.length; i++) {
+ var lineData = splitLine(lines[i], i)
+ if (!lineData) //skip empty lines
+ continue
+
+ if (lineData.key === 'page') {
+ if (typeof lineData.data.id !== 'number')
+ throw new Error('malformed file at line ' + i + ' -- needs page id=N')
+ if (typeof lineData.data.file !== 'string')
+ throw new Error('malformed file at line ' + i + ' -- needs page file="path"')
+ output.pages[lineData.data.id] = lineData.data.file
+ } else if (lineData.key === 'chars' || lineData.key === 'kernings') {
+ //... do nothing for these two ...
+ } else if (lineData.key === 'char') {
+ output.chars.push(lineData.data)
+ } else if (lineData.key === 'kerning') {
+ output.kernings.push(lineData.data)
+ } else {
+ output[lineData.key] = lineData.data
+ }
+ }
+
+ return output
+}
+
+function splitLine(line, idx) {
+ line = line.replace(/\t+/g, ' ').trim()
+ if (!line)
+ return null
+
+ var space = line.indexOf(' ')
+ if (space === -1)
+ throw new Error("no named row at line " + idx)
+
+ var key = line.substring(0, space)
+
+ line = line.substring(space + 1)
+ //clear "letter" field as it is non-standard and
+ //requires additional complexity to parse " / = symbols
+ line = line.replace(/letter=[\'\"]\S+[\'\"]/gi, '')
+ line = line.split("=")
+ line = line.map(function(str) {
+ return str.trim().match((/(".*?"|[^"\s]+)+(?=\s*|\s*$)/g))
+ })
+
+ var data = []
+ for (var i = 0; i < line.length; i++) {
+ var dt = line[i]
+ if (i === 0) {
+ data.push({
+ key: dt[0],
+ data: ""
+ })
+ } else if (i === line.length - 1) {
+ data[data.length - 1].data = parseData(dt[0])
+ } else {
+ data[data.length - 1].data = parseData(dt[0])
+ data.push({
+ key: dt[1],
+ data: ""
+ })
+ }
+ }
+
+ var out = {
+ key: key,
+ data: {}
+ }
+
+ data.forEach(function(v) {
+ out.data[v.key] = v.data;
+ })
+
+ return out
+}
+
+function parseData(data) {
+ if (!data || data.length === 0)
+ return ""
+
+ if (data.indexOf('"') === 0 || data.indexOf("'") === 0)
+ return data.substring(1, data.length - 1)
+ if (data.indexOf(',') !== -1)
+ return parseIntList(data)
+ return parseInt(data, 10)
+}
+
+function parseIntList(data) {
+ return data.split(',').map(function(val) {
+ return parseInt(val, 10)
+ })
+}
+},{}],28:[function(_dereq_,module,exports){
+var HEADER = [66, 77, 70]
+
+module.exports = function readBMFontBinary(buf) {
+ if (buf.length < 6)
+ throw new Error('invalid buffer length for BMFont')
+
+ var header = HEADER.every(function(byte, i) {
+ return buf.readUInt8(i) === byte
+ })
+
+ if (!header)
+ throw new Error('BMFont missing BMF byte header')
+
+ var i = 3
+ var vers = buf.readUInt8(i++)
+ if (vers > 3)
+ throw new Error('Only supports BMFont Binary v3 (BMFont App v1.10)')
+
+ var target = { kernings: [], chars: [] }
+ for (var b=0; b<5; b++)
+ i += readBlock(target, buf, i)
+ return target
+}
+
+function readBlock(target, buf, i) {
+ if (i > buf.length-1)
+ return 0
+
+ var blockID = buf.readUInt8(i++)
+ var blockSize = buf.readInt32LE(i)
+ i += 4
+
+ switch(blockID) {
+ case 1:
+ target.info = readInfo(buf, i)
+ break
+ case 2:
+ target.common = readCommon(buf, i)
+ break
+ case 3:
+ target.pages = readPages(buf, i, blockSize)
+ break
+ case 4:
+ target.chars = readChars(buf, i, blockSize)
+ break
+ case 5:
+ target.kernings = readKernings(buf, i, blockSize)
+ break
+ }
+ return 5 + blockSize
+}
+
+function readInfo(buf, i) {
+ var info = {}
+ info.size = buf.readInt16LE(i)
+
+ var bitField = buf.readUInt8(i+2)
+ info.smooth = (bitField >> 7) & 1
+ info.unicode = (bitField >> 6) & 1
+ info.italic = (bitField >> 5) & 1
+ info.bold = (bitField >> 4) & 1
+
+ //fixedHeight is only mentioned in binary spec
+ if ((bitField >> 3) & 1)
+ info.fixedHeight = 1
+
+ info.charset = buf.readUInt8(i+3) || ''
+ info.stretchH = buf.readUInt16LE(i+4)
+ info.aa = buf.readUInt8(i+6)
+ info.padding = [
+ buf.readInt8(i+7),
+ buf.readInt8(i+8),
+ buf.readInt8(i+9),
+ buf.readInt8(i+10)
+ ]
+ info.spacing = [
+ buf.readInt8(i+11),
+ buf.readInt8(i+12)
+ ]
+ info.outline = buf.readUInt8(i+13)
+ info.face = readStringNT(buf, i+14)
+ return info
+}
+
+function readCommon(buf, i) {
+ var common = {}
+ common.lineHeight = buf.readUInt16LE(i)
+ common.base = buf.readUInt16LE(i+2)
+ common.scaleW = buf.readUInt16LE(i+4)
+ common.scaleH = buf.readUInt16LE(i+6)
+ common.pages = buf.readUInt16LE(i+8)
+ var bitField = buf.readUInt8(i+10)
+ common.packed = 0
+ common.alphaChnl = buf.readUInt8(i+11)
+ common.redChnl = buf.readUInt8(i+12)
+ common.greenChnl = buf.readUInt8(i+13)
+ common.blueChnl = buf.readUInt8(i+14)
+ return common
+}
+
+function readPages(buf, i, size) {
+ var pages = []
+ var text = readNameNT(buf, i)
+ var len = text.length+1
+ var count = size / len
+ for (var c=0; c<count; c++) {
+ pages[c] = buf.slice(i, i+text.length).toString('utf8')
+ i += len
+ }
+ return pages
+}
+
+function readChars(buf, i, blockSize) {
+ var chars = []
+
+ var count = blockSize / 20
+ for (var c=0; c<count; c++) {
+ var char = {}
+ var off = c*20
+ char.id = buf.readUInt32LE(i + 0 + off)
+ char.x = buf.readUInt16LE(i + 4 + off)
+ char.y = buf.readUInt16LE(i + 6 + off)
+ char.width = buf.readUInt16LE(i + 8 + off)
+ char.height = buf.readUInt16LE(i + 10 + off)
+ char.xoffset = buf.readInt16LE(i + 12 + off)
+ char.yoffset = buf.readInt16LE(i + 14 + off)
+ char.xadvance = buf.readInt16LE(i + 16 + off)
+ char.page = buf.readUInt8(i + 18 + off)
+ char.chnl = buf.readUInt8(i + 19 + off)
+ chars[c] = char
+ }
+ return chars
+}
+
+function readKernings(buf, i, blockSize) {
+ var kernings = []
+ var count = blockSize / 10
+ for (var c=0; c<count; c++) {
+ var kern = {}
+ var off = c*10
+ kern.first = buf.readUInt32LE(i + 0 + off)
+ kern.second = buf.readUInt32LE(i + 4 + off)
+ kern.amount = buf.readInt16LE(i + 8 + off)
+ kernings[c] = kern
+ }
+ return kernings
+}
+
+function readNameNT(buf, offset) {
+ var pos=offset
+ for (; pos<buf.length; pos++) {
+ if (buf[pos] === 0x00)
+ break
+ }
+ return buf.slice(offset, pos)
+}
+
+function readStringNT(buf, offset) {
+ return readNameNT(buf, offset).toString('utf8')
+}
+},{}],29:[function(_dereq_,module,exports){
+var parseAttributes = _dereq_('./parse-attribs')
+var parseFromString = _dereq_('xml-parse-from-string')
+
+//In some cases element.attribute.nodeName can return
+//all lowercase values.. so we need to map them to the correct
+//case
+var NAME_MAP = {
+ scaleh: 'scaleH',
+ scalew: 'scaleW',
+ stretchh: 'stretchH',
+ lineheight: 'lineHeight',
+ alphachnl: 'alphaChnl',
+ redchnl: 'redChnl',
+ greenchnl: 'greenChnl',
+ bluechnl: 'blueChnl'
+}
+
+module.exports = function parse(data) {
+ data = data.toString()
+
+ var xmlRoot = parseFromString(data)
+ var output = {
+ pages: [],
+ chars: [],
+ kernings: []
+ }
+
+ //get config settings
+ ;['info', 'common'].forEach(function(key) {
+ var element = xmlRoot.getElementsByTagName(key)[0]
+ if (element)
+ output[key] = parseAttributes(getAttribs(element))
+ })
+
+ //get page info
+ var pageRoot = xmlRoot.getElementsByTagName('pages')[0]
+ if (!pageRoot)
+ throw new Error('malformed file -- no <pages> element')
+ var pages = pageRoot.getElementsByTagName('page')
+ for (var i=0; i<pages.length; i++) {
+ var p = pages[i]
+ var id = parseInt(p.getAttribute('id'), 10)
+ var file = p.getAttribute('file')
+ if (isNaN(id))
+ throw new Error('malformed file -- page "id" attribute is NaN')
+ if (!file)
+ throw new Error('malformed file -- needs page "file" attribute')
+ output.pages[parseInt(id, 10)] = file
+ }
+
+ //get kernings / chars
+ ;['chars', 'kernings'].forEach(function(key) {
+ var element = xmlRoot.getElementsByTagName(key)[0]
+ if (!element)
+ return
+ var childTag = key.substring(0, key.length-1)
+ var children = element.getElementsByTagName(childTag)
+ for (var i=0; i<children.length; i++) {
+ var child = children[i]
+ output[key].push(parseAttributes(getAttribs(child)))
+ }
+ })
+ return output
+}
+
+function getAttribs(element) {
+ var attribs = getAttribList(element)
+ return attribs.reduce(function(dict, attrib) {
+ var key = mapName(attrib.nodeName)
+ dict[key] = attrib.nodeValue
+ return dict
+ }, {})
+}
+
+function getAttribList(element) {
+ //IE8+ and modern browsers
+ var attribs = []
+ for (var i=0; i<element.attributes.length; i++)
+ attribs.push(element.attributes[i])
+ return attribs
+}
+
+function mapName(nodeName) {
+ return NAME_MAP[nodeName.toLowerCase()] || nodeName
+}
+},{"./parse-attribs":30,"xml-parse-from-string":73}],30:[function(_dereq_,module,exports){
+//Some versions of GlyphDesigner have a typo
+//that causes some bugs with parsing.
+//Need to confirm with recent version of the software
+//to see whether this is still an issue or not.
+var GLYPH_DESIGNER_ERROR = 'chasrset'
+
+module.exports = function parseAttributes(obj) {
+ if (GLYPH_DESIGNER_ERROR in obj) {
+ obj['charset'] = obj[GLYPH_DESIGNER_ERROR]
+ delete obj[GLYPH_DESIGNER_ERROR]
+ }
+
+ for (var k in obj) {
+ if (k === 'face' || k === 'charset')
+ continue
+ else if (k === 'padding' || k === 'spacing')
+ obj[k] = parseIntList(obj[k])
+ else
+ obj[k] = parseInt(obj[k], 10)
+ }
+ return obj
+}
+
+function parseIntList(data) {
+ return data.split(',').map(function(val) {
+ return parseInt(val, 10)
+ })
+}
+},{}],31:[function(_dereq_,module,exports){
+var trim = _dereq_('trim')
+ , forEach = _dereq_('for-each')
+ , isArray = function(arg) {
+ return Object.prototype.toString.call(arg) === '[object Array]';
+ }
+
+module.exports = function (headers) {
+ if (!headers)
+ return {}
+
+ var result = {}
+
+ forEach(
+ trim(headers).split('\n')
+ , function (row) {
+ var index = row.indexOf(':')
+ , key = trim(row.slice(0, index)).toLowerCase()
+ , value = trim(row.slice(index + 1))
+
+ if (typeof(result[key]) === 'undefined') {
+ result[key] = value
+ } else if (isArray(result[key])) {
+ result[key].push(value)
+ } else {
+ result[key] = [ result[key], value ]
+ }
+ }
+ )
+
+ return result
+}
+},{"for-each":16,"trim":45}],32:[function(_dereq_,module,exports){
+(function (global){
+var performance = global.performance || {};
+
+var present = (function () {
+ var names = ['now', 'webkitNow', 'msNow', 'mozNow', 'oNow'];
+ while (names.length) {
+ var name = names.shift();
+ if (name in performance) {
+ return performance[name].bind(performance);
+ }
+ }
+
+ var dateNow = Date.now || function () { return new Date().getTime(); };
+ var navigationStart = (performance.timing || {}).navigationStart || dateNow();
+ return function () {
+ return dateNow() - navigationStart;
+ };
+}());
+
+present.performanceNow = performance.now;
+present.noConflict = function () {
+ performance.now = present.performanceNow;
+};
+present.conflict = function () {
+ performance.now = present;
+};
+present.conflict();
+
+module.exports = present;
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{}],33:[function(_dereq_,module,exports){
+(function(root) {
+
+ // Store setTimeout reference so promise-polyfill will be unaffected by
+ // other code modifying setTimeout (like sinon.useFakeTimers())
+ var setTimeoutFunc = setTimeout;
+
+ // Use polyfill for setImmediate for performance gains
+ var asap = (typeof setImmediate === 'function' && setImmediate) ||
+ function(fn) { setTimeoutFunc(fn, 1); };
+
+ // Polyfill for Function.prototype.bind
+ function bind(fn, thisArg) {
+ return function() {
+ fn.apply(thisArg, arguments);
+ }
+ }
+
+ var isArray = Array.isArray || function(value) { return Object.prototype.toString.call(value) === "[object Array]" };
+
+ function Promise(fn) {
+ if (typeof this !== 'object') throw new TypeError('Promises must be constructed via new');
+ if (typeof fn !== 'function') throw new TypeError('not a function');
+ this._state = null;
+ this._value = null;
+ this._deferreds = []
+
+ doResolve(fn, bind(resolve, this), bind(reject, this))
+ }
+
+ function handle(deferred) {
+ var me = this;
+ if (this._state === null) {
+ this._deferreds.push(deferred);
+ return
+ }
+ asap(function() {
+ var cb = me._state ? deferred.onFulfilled : deferred.onRejected
+ if (cb === null) {
+ (me._state ? deferred.resolve : deferred.reject)(me._value);
+ return;
+ }
+ var ret;
+ try {
+ ret = cb(me._value);
+ }
+ catch (e) {
+ deferred.reject(e);
+ return;
+ }
+ deferred.resolve(ret);
+ })
+ }
+
+ function resolve(newValue) {
+ try { //Promise Resolution Procedure: https://github.com/promises-aplus/promises-spec#the-promise-resolution-procedure
+ if (newValue === this) throw new TypeError('A promise cannot be resolved with itself.');
+ if (newValue && (typeof newValue === 'object' || typeof newValue === 'function')) {
+ var then = newValue.then;
+ if (typeof then === 'function') {
+ doResolve(bind(then, newValue), bind(resolve, this), bind(reject, this));
+ return;
+ }
+ }
+ this._state = true;
+ this._value = newValue;
+ finale.call(this);
+ } catch (e) { reject.call(this, e); }
+ }
+
+ function reject(newValue) {
+ this._state = false;
+ this._value = newValue;
+ finale.call(this);
+ }
+
+ function finale() {
+ for (var i = 0, len = this._deferreds.length; i < len; i++) {
+ handle.call(this, this._deferreds[i]);
+ }
+ this._deferreds = null;
+ }
+
+ function Handler(onFulfilled, onRejected, resolve, reject){
+ this.onFulfilled = typeof onFulfilled === 'function' ? onFulfilled : null;
+ this.onRejected = typeof onRejected === 'function' ? onRejected : null;
+ this.resolve = resolve;
+ this.reject = reject;
+ }
+
+ /**
+ * Take a potentially misbehaving resolver function and make sure
+ * onFulfilled and onRejected are only called once.
+ *
+ * Makes no guarantees about asynchrony.
+ */
+ function doResolve(fn, onFulfilled, onRejected) {
+ var done = false;
+ try {
+ fn(function (value) {
+ if (done) return;
+ done = true;
+ onFulfilled(value);
+ }, function (reason) {
+ if (done) return;
+ done = true;
+ onRejected(reason);
+ })
+ } catch (ex) {
+ if (done) return;
+ done = true;
+ onRejected(ex);
+ }
+ }
+
+ Promise.prototype['catch'] = function (onRejected) {
+ return this.then(null, onRejected);
+ };
+
+ Promise.prototype.then = function(onFulfilled, onRejected) {
+ var me = this;
+ return new Promise(function(resolve, reject) {
+ handle.call(me, new Handler(onFulfilled, onRejected, resolve, reject));
+ })
+ };
+
+ Promise.all = function () {
+ var args = Array.prototype.slice.call(arguments.length === 1 && isArray(arguments[0]) ? arguments[0] : arguments);
+
+ return new Promise(function (resolve, reject) {
+ if (args.length === 0) return resolve([]);
+ var remaining = args.length;
+ function res(i, val) {
+ try {
+ if (val && (typeof val === 'object' || typeof val === 'function')) {
+ var then = val.then;
+ if (typeof then === 'function') {
+ then.call(val, function (val) { res(i, val) }, reject);
+ return;
+ }
+ }
+ args[i] = val;
+ if (--remaining === 0) {
+ resolve(args);
+ }
+ } catch (ex) {
+ reject(ex);
+ }
+ }
+ for (var i = 0; i < args.length; i++) {
+ res(i, args[i]);
+ }
+ });
+ };
+
+ Promise.resolve = function (value) {
+ if (value && typeof value === 'object' && value.constructor === Promise) {
+ return value;
+ }
+
+ return new Promise(function (resolve) {
+ resolve(value);
+ });
+ };
+
+ Promise.reject = function (value) {
+ return new Promise(function (resolve, reject) {
+ reject(value);
+ });
+ };
+
+ Promise.race = function (values) {
+ return new Promise(function (resolve, reject) {
+ for(var i = 0, len = values.length; i < len; i++) {
+ values[i].then(resolve, reject);
+ }
+ });
+ };
+
+ /**
+ * Set the immediate function to execute callbacks
+ * @param fn {function} Function to execute
+ * @private
+ */
+ Promise._setImmediateFn = function _setImmediateFn(fn) {
+ asap = fn;
+ };
+
+ if (typeof module !== 'undefined' && module.exports) {
+ module.exports = Promise;
+ } else if (!root.Promise) {
+ root.Promise = Promise;
+ }
+
+})(this);
+
+},{}],34:[function(_dereq_,module,exports){
+var dtype = _dereq_('dtype')
+var anArray = _dereq_('an-array')
+var isBuffer = _dereq_('is-buffer')
+
+var CW = [0, 2, 3]
+var CCW = [2, 1, 3]
+
+module.exports = function createQuadElements(array, opt) {
+ //if user didn't specify an output array
+ if (!array || !(anArray(array) || isBuffer(array))) {
+ opt = array || {}
+ array = null
+ }
+
+ if (typeof opt === 'number') //backwards-compatible
+ opt = { count: opt }
+ else
+ opt = opt || {}
+
+ var type = typeof opt.type === 'string' ? opt.type : 'uint16'
+ var count = typeof opt.count === 'number' ? opt.count : 1
+ var start = (opt.start || 0)
+
+ var dir = opt.clockwise !== false ? CW : CCW,
+ a = dir[0],
+ b = dir[1],
+ c = dir[2]
+
+ var numIndices = count * 6
+
+ var indices = array || new (dtype(type))(numIndices)
+ for (var i = 0, j = 0; i < numIndices; i += 6, j += 4) {
+ var x = i + start
+ indices[x + 0] = j + 0
+ indices[x + 1] = j + 1
+ indices[x + 2] = j + 2
+ indices[x + 3] = j + a
+ indices[x + 4] = j + b
+ indices[x + 5] = j + c
+ }
+ return indices
+}
+},{"an-array":2,"dtype":14,"is-buffer":20}],35:[function(_dereq_,module,exports){
+
+
+/*:: type Attr = { [key: string]: string | number } */
+/*:: type Opts = { preserveNumbers: ?boolean } */
+
+/*
+
+style-attr
+====
+
+Very simple parsing and stringifying of style attributes.
+
+`parse`
+----
+
+Convert a style attribute string to an object.
+
+*/
+
+/*:: declare function parse (raw: string, opts: ?Opts): Attr */
+function parse(raw, opts) {
+ opts = opts || {};
+
+ var preserveNumbers = opts.preserveNumbers;
+ var trim = function (s) {
+ return s.trim();
+ };
+ var obj = {};
+
+ getKeyValueChunks(raw).map(trim).filter(Boolean).forEach(function (item) {
+ // split with `.indexOf` rather than `.split` because the value may also contain colons.
+ var pos = item.indexOf(':');
+ var key = item.substr(0, pos).trim();
+ var val = item.substr(pos + 1).trim();
+ if (preserveNumbers && isNumeric(val)) {
+ val = Number(val);
+ }
+
+ obj[key] = val;
+ });
+
+ return obj;
+}
+
+/*
+
+`isNumeric`
+----
+
+Check if a value is numeric.
+Via: https://stackoverflow.com/a/1830844/9324
+
+*/
+
+/*:: declare function isNumeric (n: any): boolean */
+
+function isNumeric(n) {
+ return !isNaN(parseFloat(n)) && isFinite(n);
+}
+
+/*
+
+`getKeyValueChunks`
+----
+
+Split a string into chunks matching `<key>: <value>`
+
+*/
+/*:: declare function getKeyValueChunks (raw: string): Array<string> */
+function getKeyValueChunks(raw) {
+ var chunks = [];
+ var offset = 0;
+ var sep = ';';
+ var hasUnclosedUrl = /url\([^\)]+$/;
+ var chunk = '';
+ var nextSplit;
+ while (offset < raw.length) {
+ nextSplit = raw.indexOf(sep, offset);
+ if (nextSplit === -1) {
+ nextSplit = raw.length;
+ }
+
+ chunk += raw.substring(offset, nextSplit);
+
+ // data URIs can contain semicolons, so make sure we get the whole thing
+ if (hasUnclosedUrl.test(chunk)) {
+ chunk += ';';
+ offset = nextSplit + 1;
+ continue;
+ }
+
+ chunks.push(chunk);
+ chunk = '';
+ offset = nextSplit + 1;
+ }
+
+ return chunks;
+}
+
+/*
+
+`stringify`
+----
+
+Convert an object into an attribute string
+
+*/
+/*:: declare function stringify (obj: Attr): string */
+function stringify(obj) {
+ return Object.keys(obj).map(function (key) {
+ return key + ':' + obj[key];
+ }).join(';');
+}
+
+/*
+
+`normalize`
+----
+
+Normalize an attribute string (eg. collapse duplicates)
+
+*/
+/*:: declare function normalize (str: string, opts: ?Opts): string */
+function normalize(str, opts) {
+ return stringify(parse(str, opts));
+}
+
+module.exports.parse = parse;
+module.exports.stringify = stringify;
+module.exports.normalize = normalize;
+},{}],36:[function(_dereq_,module,exports){
+var createLayout = _dereq_('layout-bmfont-text')
+var inherits = _dereq_('inherits')
+var createIndices = _dereq_('quad-indices')
+var buffer = _dereq_('three-buffer-vertex-data')
+var assign = _dereq_('object-assign')
+
+var vertices = _dereq_('./lib/vertices')
+var utils = _dereq_('./lib/utils')
+
+var Base = THREE.BufferGeometry
+
+module.exports = function createTextGeometry (opt) {
+ return new TextGeometry(opt)
+}
+
+function TextGeometry (opt) {
+ Base.call(this)
+
+ if (typeof opt === 'string') {
+ opt = { text: opt }
+ }
+
+ // use these as default values for any subsequent
+ // calls to update()
+ this._opt = assign({}, opt)
+
+ // also do an initial setup...
+ if (opt) this.update(opt)
+}
+
+inherits(TextGeometry, Base)
+
+TextGeometry.prototype.update = function (opt) {
+ if (typeof opt === 'string') {
+ opt = { text: opt }
+ }
+
+ // use constructor defaults
+ opt = assign({}, this._opt, opt)
+
+ if (!opt.font) {
+ throw new TypeError('must specify a { font } in options')
+ }
+
+ this.layout = createLayout(opt)
+
+ // get vec2 texcoords
+ var flipY = opt.flipY !== false
+
+ // the desired BMFont data
+ var font = opt.font
+
+ // determine texture size from font file
+ var texWidth = font.common.scaleW
+ var texHeight = font.common.scaleH
+
+ // get visible glyphs
+ var glyphs = this.layout.glyphs.filter(function (glyph) {
+ var bitmap = glyph.data
+ return bitmap.width * bitmap.height > 0
+ })
+
+ // provide visible glyphs for convenience
+ this.visibleGlyphs = glyphs
+
+ // get common vertex data
+ var positions = vertices.positions(glyphs)
+ var uvs = vertices.uvs(glyphs, texWidth, texHeight, flipY)
+ var indices = createIndices({
+ clockwise: true,
+ type: 'uint16',
+ count: glyphs.length
+ })
+
+ // update vertex data
+ buffer.index(this, indices, 1, 'uint16')
+ buffer.attr(this, 'position', positions, 2)
+ buffer.attr(this, 'uv', uvs, 2)
+
+ // update multipage data
+ if (!opt.multipage && 'page' in this.attributes) {
+ // disable multipage rendering
+ this.removeAttribute('page')
+ } else if (opt.multipage) {
+ var pages = vertices.pages(glyphs)
+ // enable multipage rendering
+ buffer.attr(this, 'page', pages, 1)
+ }
+}
+
+TextGeometry.prototype.computeBoundingSphere = function () {
+ if (this.boundingSphere === null) {
+ this.boundingSphere = new THREE.Sphere()
+ }
+
+ var positions = this.attributes.position.array
+ var itemSize = this.attributes.position.itemSize
+ if (!positions || !itemSize || positions.length < 2) {
+ this.boundingSphere.radius = 0
+ this.boundingSphere.center.set(0, 0, 0)
+ return
+ }
+ utils.computeSphere(positions, this.boundingSphere)
+ if (isNaN(this.boundingSphere.radius)) {
+ console.error('THREE.BufferGeometry.computeBoundingSphere(): ' +
+ 'Computed radius is NaN. The ' +
+ '"position" attribute is likely to have NaN values.')
+ }
+}
+
+TextGeometry.prototype.computeBoundingBox = function () {
+ if (this.boundingBox === null) {
+ this.boundingBox = new THREE.Box3()
+ }
+
+ var bbox = this.boundingBox
+ var positions = this.attributes.position.array
+ var itemSize = this.attributes.position.itemSize
+ if (!positions || !itemSize || positions.length < 2) {
+ bbox.makeEmpty()
+ return
+ }
+ utils.computeBox(positions, bbox)
+}
+
+},{"./lib/utils":37,"./lib/vertices":38,"inherits":19,"layout-bmfont-text":23,"object-assign":26,"quad-indices":34,"three-buffer-vertex-data":39}],37:[function(_dereq_,module,exports){
+var itemSize = 2
+var box = { min: [0, 0], max: [0, 0] }
+
+function bounds (positions) {
+ var count = positions.length / itemSize
+ box.min[0] = positions[0]
+ box.min[1] = positions[1]
+ box.max[0] = positions[0]
+ box.max[1] = positions[1]
+
+ for (var i = 0; i < count; i++) {
+ var x = positions[i * itemSize + 0]
+ var y = positions[i * itemSize + 1]
+ box.min[0] = Math.min(x, box.min[0])
+ box.min[1] = Math.min(y, box.min[1])
+ box.max[0] = Math.max(x, box.max[0])
+ box.max[1] = Math.max(y, box.max[1])
+ }
+}
+
+module.exports.computeBox = function (positions, output) {
+ bounds(positions)
+ output.min.set(box.min[0], box.min[1], 0)
+ output.max.set(box.max[0], box.max[1], 0)
+}
+
+module.exports.computeSphere = function (positions, output) {
+ bounds(positions)
+ var minX = box.min[0]
+ var minY = box.min[1]
+ var maxX = box.max[0]
+ var maxY = box.max[1]
+ var width = maxX - minX
+ var height = maxY - minY
+ var length = Math.sqrt(width * width + height * height)
+ output.center.set(minX + width / 2, minY + height / 2, 0)
+ output.radius = length / 2
+}
+
+},{}],38:[function(_dereq_,module,exports){
+module.exports.pages = function pages (glyphs) {
+ var pages = new Float32Array(glyphs.length * 4 * 1)
+ var i = 0
+ glyphs.forEach(function (glyph) {
+ var id = glyph.data.page || 0
+ pages[i++] = id
+ pages[i++] = id
+ pages[i++] = id
+ pages[i++] = id
+ })
+ return pages
+}
+
+module.exports.uvs = function uvs (glyphs, texWidth, texHeight, flipY) {
+ var uvs = new Float32Array(glyphs.length * 4 * 2)
+ var i = 0
+ glyphs.forEach(function (glyph) {
+ var bitmap = glyph.data
+ var bw = (bitmap.x + bitmap.width)
+ var bh = (bitmap.y + bitmap.height)
+
+ // top left position
+ var u0 = bitmap.x / texWidth
+ var v1 = bitmap.y / texHeight
+ var u1 = bw / texWidth
+ var v0 = bh / texHeight
+
+ if (flipY) {
+ v1 = (texHeight - bitmap.y) / texHeight
+ v0 = (texHeight - bh) / texHeight
+ }
+
+ // BL
+ uvs[i++] = u0
+ uvs[i++] = v1
+ // TL
+ uvs[i++] = u0
+ uvs[i++] = v0
+ // TR
+ uvs[i++] = u1
+ uvs[i++] = v0
+ // BR
+ uvs[i++] = u1
+ uvs[i++] = v1
+ })
+ return uvs
+}
+
+module.exports.positions = function positions (glyphs) {
+ var positions = new Float32Array(glyphs.length * 4 * 2)
+ var i = 0
+ glyphs.forEach(function (glyph) {
+ var bitmap = glyph.data
+
+ // bottom left position
+ var x = glyph.position[0] + bitmap.xoffset
+ var y = glyph.position[1] + bitmap.yoffset
+
+ // quad size
+ var w = bitmap.width
+ var h = bitmap.height
+
+ // BL
+ positions[i++] = x
+ positions[i++] = y
+ // TL
+ positions[i++] = x
+ positions[i++] = y + h
+ // TR
+ positions[i++] = x + w
+ positions[i++] = y + h
+ // BR
+ positions[i++] = x + w
+ positions[i++] = y
+ })
+ return positions
+}
+
+},{}],39:[function(_dereq_,module,exports){
+var flatten = _dereq_('flatten-vertex-data')
+var warned = false;
+
+module.exports.attr = setAttribute
+module.exports.index = setIndex
+
+function setIndex (geometry, data, itemSize, dtype) {
+ if (typeof itemSize !== 'number') itemSize = 1
+ if (typeof dtype !== 'string') dtype = 'uint16'
+
+ var isR69 = !geometry.index && typeof geometry.setIndex !== 'function'
+ var attrib = isR69 ? geometry.getAttribute('index') : geometry.index
+ var newAttrib = updateAttribute(attrib, data, itemSize, dtype)
+ if (newAttrib) {
+ if (isR69) geometry.addAttribute('index', newAttrib)
+ else geometry.index = newAttrib
+ }
+}
+
+function setAttribute (geometry, key, data, itemSize, dtype) {
+ if (typeof itemSize !== 'number') itemSize = 3
+ if (typeof dtype !== 'string') dtype = 'float32'
+ if (Array.isArray(data) &&
+ Array.isArray(data[0]) &&
+ data[0].length !== itemSize) {
+ throw new Error('Nested vertex array has unexpected size; expected ' +
+ itemSize + ' but found ' + data[0].length)
+ }
+
+ var attrib = geometry.getAttribute(key)
+ var newAttrib = updateAttribute(attrib, data, itemSize, dtype)
+ if (newAttrib) {
+ geometry.addAttribute(key, newAttrib)
+ }
+}
+
+function updateAttribute (attrib, data, itemSize, dtype) {
+ data = data || []
+ if (!attrib || rebuildAttribute(attrib, data, itemSize)) {
+ // create a new array with desired type
+ data = flatten(data, dtype)
+
+ var needsNewBuffer = attrib && typeof attrib.setArray !== 'function'
+ if (!attrib || needsNewBuffer) {
+ // We are on an old version of ThreeJS which can't
+ // support growing / shrinking buffers, so we need
+ // to build a new buffer
+ if (needsNewBuffer && !warned) {
+ warned = true
+ console.warn([
+ 'A WebGL buffer is being updated with a new size or itemSize, ',
+ 'however this version of ThreeJS only supports fixed-size buffers.',
+ '\nThe old buffer may still be kept in memory.\n',
+ 'To avoid memory leaks, it is recommended that you dispose ',
+ 'your geometries and create new ones, or update to ThreeJS r82 or newer.\n',
+ 'See here for discussion:\n',
+ 'https://github.com/mrdoob/three.js/pull/9631'
+ ].join(''))
+ }
+
+ // Build a new attribute
+ attrib = new THREE.BufferAttribute(data, itemSize);
+ }
+
+ attrib.itemSize = itemSize
+ attrib.needsUpdate = true
+
+ // New versions of ThreeJS suggest using setArray
+ // to change the data. It will use bufferData internally,
+ // so you can change the array size without any issues
+ if (typeof attrib.setArray === 'function') {
+ attrib.setArray(data)
+ }
+
+ return attrib
+ } else {
+ // copy data into the existing array
+ flatten(data, attrib.array)
+ attrib.needsUpdate = true
+ return null
+ }
+}
+
+// Test whether the attribute needs to be re-created,
+// returns false if we can re-use it as-is.
+function rebuildAttribute (attrib, data, itemSize) {
+ if (attrib.itemSize !== itemSize) return true
+ if (!attrib.array) return true
+ var attribLength = attrib.array.length
+ if (Array.isArray(data) && Array.isArray(data[0])) {
+ // [ [ x, y, z ] ]
+ return attribLength !== data.length * itemSize
+ } else {
+ // [ x, y, z ]
+ return attribLength !== data.length
+ }
+ return false
+}
+
+},{"flatten-vertex-data":15}],40:[function(_dereq_,module,exports){
+(function (global, factory) {
+ typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+ typeof define === 'function' && define.amd ? define(['exports'], factory) :
+ (factory((global.THREE = {})));
+}(this, (function (exports) { 'use strict';
+
+ // Polyfills
+
+ if ( Number.EPSILON === undefined ) {
+
+ Number.EPSILON = Math.pow( 2, - 52 );
+
+ }
+
+ if ( Number.isInteger === undefined ) {
+
+ // Missing in IE
+ // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isInteger
+
+ Number.isInteger = function ( value ) {
+
+ return typeof value === 'number' && isFinite( value ) && Math.floor( value ) === value;
+
+ };
+
+ }
+
+ //
+
+ if ( Math.sign === undefined ) {
+
+ // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign
+
+ Math.sign = function ( x ) {
+
+ return ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x;
+
+ };
+
+ }
+
+ if ( 'name' in Function.prototype === false ) {
+
+ // Missing in IE
+ // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name
+
+ Object.defineProperty( Function.prototype, 'name', {
+
+ get: function () {
+
+ return this.toString().match( /^\s*function\s*([^\(\s]*)/ )[ 1 ];
+
+ }
+
+ } );
+
+ }
+
+ if ( Object.assign === undefined ) {
+
+ // Missing in IE
+ // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign
+
+ ( function () {
+
+ Object.assign = function ( target ) {
+
+ if ( target === undefined || target === null ) {
+
+ throw new TypeError( 'Cannot convert undefined or null to object' );
+
+ }
+
+ var output = Object( target );
+
+ for ( var index = 1; index < arguments.length; index ++ ) {
+
+ var source = arguments[ index ];
+
+ if ( source !== undefined && source !== null ) {
+
+ for ( var nextKey in source ) {
+
+ if ( Object.prototype.hasOwnProperty.call( source, nextKey ) ) {
+
+ output[ nextKey ] = source[ nextKey ];
+
+ }
+
+ }
+
+ }
+
+ }
+
+ return output;
+
+ };
+
+ } )();
+
+ }
+
+ /**
+ * https://github.com/mrdoob/eventdispatcher.js/
+ */
+
+ function EventDispatcher() {}
+
+ Object.assign( EventDispatcher.prototype, {
+
+ addEventListener: function ( type, listener ) {
+
+ if ( this._listeners === undefined ) this._listeners = {};
+
+ var listeners = this._listeners;
+
+ if ( listeners[ type ] === undefined ) {
+
+ listeners[ type ] = [];
+
+ }
+
+ if ( listeners[ type ].indexOf( listener ) === - 1 ) {
+
+ listeners[ type ].push( listener );
+
+ }
+
+ },
+
+ hasEventListener: function ( type, listener ) {
+
+ if ( this._listeners === undefined ) return false;
+
+ var listeners = this._listeners;
+
+ return listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1;
+
+ },
+
+ removeEventListener: function ( type, listener ) {
+
+ if ( this._listeners === undefined ) return;
+
+ var listeners = this._listeners;
+ var listenerArray = listeners[ type ];
+
+ if ( listenerArray !== undefined ) {
+
+ var index = listenerArray.indexOf( listener );
+
+ if ( index !== - 1 ) {
+
+ listenerArray.splice( index, 1 );
+
+ }
+
+ }
+
+ },
+
+ dispatchEvent: function ( event ) {
+
+ if ( this._listeners === undefined ) return;
+
+ var listeners = this._listeners;
+ var listenerArray = listeners[ event.type ];
+
+ if ( listenerArray !== undefined ) {
+
+ event.target = this;
+
+ var array = listenerArray.slice( 0 );
+
+ for ( var i = 0, l = array.length; i < l; i ++ ) {
+
+ array[ i ].call( this, event );
+
+ }
+
+ }
+
+ }
+
+ } );
+
+ var REVISION = '89';
+ var MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 };
+ var CullFaceNone = 0;
+ var CullFaceBack = 1;
+ var CullFaceFront = 2;
+ var CullFaceFrontBack = 3;
+ var FrontFaceDirectionCW = 0;
+ var FrontFaceDirectionCCW = 1;
+ var BasicShadowMap = 0;
+ var PCFShadowMap = 1;
+ var PCFSoftShadowMap = 2;
+ var FrontSide = 0;
+ var BackSide = 1;
+ var DoubleSide = 2;
+ var FlatShading = 1;
+ var SmoothShading = 2;
+ var NoColors = 0;
+ var FaceColors = 1;
+ var VertexColors = 2;
+ var NoBlending = 0;
+ var NormalBlending = 1;
+ var AdditiveBlending = 2;
+ var SubtractiveBlending = 3;
+ var MultiplyBlending = 4;
+ var CustomBlending = 5;
+ var AddEquation = 100;
+ var SubtractEquation = 101;
+ var ReverseSubtractEquation = 102;
+ var MinEquation = 103;
+ var MaxEquation = 104;
+ var ZeroFactor = 200;
+ var OneFactor = 201;
+ var SrcColorFactor = 202;
+ var OneMinusSrcColorFactor = 203;
+ var SrcAlphaFactor = 204;
+ var OneMinusSrcAlphaFactor = 205;
+ var DstAlphaFactor = 206;
+ var OneMinusDstAlphaFactor = 207;
+ var DstColorFactor = 208;
+ var OneMinusDstColorFactor = 209;
+ var SrcAlphaSaturateFactor = 210;
+ var NeverDepth = 0;
+ var AlwaysDepth = 1;
+ var LessDepth = 2;
+ var LessEqualDepth = 3;
+ var EqualDepth = 4;
+ var GreaterEqualDepth = 5;
+ var GreaterDepth = 6;
+ var NotEqualDepth = 7;
+ var MultiplyOperation = 0;
+ var MixOperation = 1;
+ var AddOperation = 2;
+ var NoToneMapping = 0;
+ var LinearToneMapping = 1;
+ var ReinhardToneMapping = 2;
+ var Uncharted2ToneMapping = 3;
+ var CineonToneMapping = 4;
+ var UVMapping = 300;
+ var CubeReflectionMapping = 301;
+ var CubeRefractionMapping = 302;
+ var EquirectangularReflectionMapping = 303;
+ var EquirectangularRefractionMapping = 304;
+ var SphericalReflectionMapping = 305;
+ var CubeUVReflectionMapping = 306;
+ var CubeUVRefractionMapping = 307;
+ var RepeatWrapping = 1000;
+ var ClampToEdgeWrapping = 1001;
+ var MirroredRepeatWrapping = 1002;
+ var NearestFilter = 1003;
+ var NearestMipMapNearestFilter = 1004;
+ var NearestMipMapLinearFilter = 1005;
+ var LinearFilter = 1006;
+ var LinearMipMapNearestFilter = 1007;
+ var LinearMipMapLinearFilter = 1008;
+ var UnsignedByteType = 1009;
+ var ByteType = 1010;
+ var ShortType = 1011;
+ var UnsignedShortType = 1012;
+ var IntType = 1013;
+ var UnsignedIntType = 1014;
+ var FloatType = 1015;
+ var HalfFloatType = 1016;
+ var UnsignedShort4444Type = 1017;
+ var UnsignedShort5551Type = 1018;
+ var UnsignedShort565Type = 1019;
+ var UnsignedInt248Type = 1020;
+ var AlphaFormat = 1021;
+ var RGBFormat = 1022;
+ var RGBAFormat = 1023;
+ var LuminanceFormat = 1024;
+ var LuminanceAlphaFormat = 1025;
+ var RGBEFormat = RGBAFormat;
+ var DepthFormat = 1026;
+ var DepthStencilFormat = 1027;
+ var RGB_S3TC_DXT1_Format = 2001;
+ var RGBA_S3TC_DXT1_Format = 2002;
+ var RGBA_S3TC_DXT3_Format = 2003;
+ var RGBA_S3TC_DXT5_Format = 2004;
+ var RGB_PVRTC_4BPPV1_Format = 2100;
+ var RGB_PVRTC_2BPPV1_Format = 2101;
+ var RGBA_PVRTC_4BPPV1_Format = 2102;
+ var RGBA_PVRTC_2BPPV1_Format = 2103;
+ var RGB_ETC1_Format = 2151;
+ var LoopOnce = 2200;
+ var LoopRepeat = 2201;
+ var LoopPingPong = 2202;
+ var InterpolateDiscrete = 2300;
+ var InterpolateLinear = 2301;
+ var InterpolateSmooth = 2302;
+ var ZeroCurvatureEnding = 2400;
+ var ZeroSlopeEnding = 2401;
+ var WrapAroundEnding = 2402;
+ var TrianglesDrawMode = 0;
+ var TriangleStripDrawMode = 1;
+ var TriangleFanDrawMode = 2;
+ var LinearEncoding = 3000;
+ var sRGBEncoding = 3001;
+ var GammaEncoding = 3007;
+ var RGBEEncoding = 3002;
+ var LogLuvEncoding = 3003;
+ var RGBM7Encoding = 3004;
+ var RGBM16Encoding = 3005;
+ var RGBDEncoding = 3006;
+ var BasicDepthPacking = 3200;
+ var RGBADepthPacking = 3201;
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ var _Math = {
+
+ DEG2RAD: Math.PI / 180,
+ RAD2DEG: 180 / Math.PI,
+
+ generateUUID: ( function () {
+
+ // http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/21963136#21963136
+
+ var lut = [];
+
+ for ( var i = 0; i < 256; i ++ ) {
+
+ lut[ i ] = ( i < 16 ? '0' : '' ) + ( i ).toString( 16 ).toUpperCase();
+
+ }
+
+ return function () {
+
+ var d0 = Math.random() * 0xffffffff | 0;
+ var d1 = Math.random() * 0xffffffff | 0;
+ var d2 = Math.random() * 0xffffffff | 0;
+ var d3 = Math.random() * 0xffffffff | 0;
+ return lut[ d0 & 0xff ] + lut[ d0 >> 8 & 0xff ] + lut[ d0 >> 16 & 0xff ] + lut[ d0 >> 24 & 0xff ] + '-' +
+ lut[ d1 & 0xff ] + lut[ d1 >> 8 & 0xff ] + '-' + lut[ d1 >> 16 & 0x0f | 0x40 ] + lut[ d1 >> 24 & 0xff ] + '-' +
+ lut[ d2 & 0x3f | 0x80 ] + lut[ d2 >> 8 & 0xff ] + '-' + lut[ d2 >> 16 & 0xff ] + lut[ d2 >> 24 & 0xff ] +
+ lut[ d3 & 0xff ] + lut[ d3 >> 8 & 0xff ] + lut[ d3 >> 16 & 0xff ] + lut[ d3 >> 24 & 0xff ];
+
+ };
+
+ } )(),
+
+ clamp: function ( value, min, max ) {
+
+ return Math.max( min, Math.min( max, value ) );
+
+ },
+
+ // compute euclidian modulo of m % n
+ // https://en.wikipedia.org/wiki/Modulo_operation
+
+ euclideanModulo: function ( n, m ) {
+
+ return ( ( n % m ) + m ) % m;
+
+ },
+
+ // Linear mapping from range <a1, a2> to range <b1, b2>
+
+ mapLinear: function ( x, a1, a2, b1, b2 ) {
+
+ return b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );
+
+ },
+
+ // https://en.wikipedia.org/wiki/Linear_interpolation
+
+ lerp: function ( x, y, t ) {
+
+ return ( 1 - t ) * x + t * y;
+
+ },
+
+ // http://en.wikipedia.org/wiki/Smoothstep
+
+ smoothstep: function ( x, min, max ) {
+
+ if ( x <= min ) return 0;
+ if ( x >= max ) return 1;
+
+ x = ( x - min ) / ( max - min );
+
+ return x * x * ( 3 - 2 * x );
+
+ },
+
+ smootherstep: function ( x, min, max ) {
+
+ if ( x <= min ) return 0;
+ if ( x >= max ) return 1;
+
+ x = ( x - min ) / ( max - min );
+
+ return x * x * x * ( x * ( x * 6 - 15 ) + 10 );
+
+ },
+
+ // Random integer from <low, high> interval
+
+ randInt: function ( low, high ) {
+
+ return low + Math.floor( Math.random() * ( high - low + 1 ) );
+
+ },
+
+ // Random float from <low, high> interval
+
+ randFloat: function ( low, high ) {
+
+ return low + Math.random() * ( high - low );
+
+ },
+
+ // Random float from <-range/2, range/2> interval
+
+ randFloatSpread: function ( range ) {
+
+ return range * ( 0.5 - Math.random() );
+
+ },
+
+ degToRad: function ( degrees ) {
+
+ return degrees * _Math.DEG2RAD;
+
+ },
+
+ radToDeg: function ( radians ) {
+
+ return radians * _Math.RAD2DEG;
+
+ },
+
+ isPowerOfTwo: function ( value ) {
+
+ return ( value & ( value - 1 ) ) === 0 && value !== 0;
+
+ },
+
+ ceilPowerOfTwo: function ( value ) {
+
+ return Math.pow( 2, Math.ceil( Math.log( value ) / Math.LN2 ) );
+
+ },
+
+ floorPowerOfTwo: function ( value ) {
+
+ return Math.pow( 2, Math.floor( Math.log( value ) / Math.LN2 ) );
+
+ }
+
+ };
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author philogb / http://blog.thejit.org/
+ * @author egraether / http://egraether.com/
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ */
+
+ function Vector2( x, y ) {
+
+ this.x = x || 0;
+ this.y = y || 0;
+
+ }
+
+ Object.defineProperties( Vector2.prototype, {
+
+ "width": {
+
+ get: function () {
+
+ return this.x;
+
+ },
+
+ set: function ( value ) {
+
+ this.x = value;
+
+ }
+
+ },
+
+ "height": {
+
+ get: function () {
+
+ return this.y;
+
+ },
+
+ set: function ( value ) {
+
+ this.y = value;
+
+ }
+
+ }
+
+ } );
+
+ Object.assign( Vector2.prototype, {
+
+ isVector2: true,
+
+ set: function ( x, y ) {
+
+ this.x = x;
+ this.y = y;
+
+ return this;
+
+ },
+
+ setScalar: function ( scalar ) {
+
+ this.x = scalar;
+ this.y = scalar;
+
+ return this;
+
+ },
+
+ setX: function ( x ) {
+
+ this.x = x;
+
+ return this;
+
+ },
+
+ setY: function ( y ) {
+
+ this.y = y;
+
+ return this;
+
+ },
+
+ setComponent: function ( index, value ) {
+
+ switch ( index ) {
+
+ case 0: this.x = value; break;
+ case 1: this.y = value; break;
+ default: throw new Error( 'index is out of range: ' + index );
+
+ }
+
+ return this;
+
+ },
+
+ getComponent: function ( index ) {
+
+ switch ( index ) {
+
+ case 0: return this.x;
+ case 1: return this.y;
+ default: throw new Error( 'index is out of range: ' + index );
+
+ }
+
+ },
+
+ clone: function () {
+
+ return new this.constructor( this.x, this.y );
+
+ },
+
+ copy: function ( v ) {
+
+ this.x = v.x;
+ this.y = v.y;
+
+ return this;
+
+ },
+
+ add: function ( v, w ) {
+
+ if ( w !== undefined ) {
+
+ console.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );
+ return this.addVectors( v, w );
+
+ }
+
+ this.x += v.x;
+ this.y += v.y;
+
+ return this;
+
+ },
+
+ addScalar: function ( s ) {
+
+ this.x += s;
+ this.y += s;
+
+ return this;
+
+ },
+
+ addVectors: function ( a, b ) {
+
+ this.x = a.x + b.x;
+ this.y = a.y + b.y;
+
+ return this;
+
+ },
+
+ addScaledVector: function ( v, s ) {
+
+ this.x += v.x * s;
+ this.y += v.y * s;
+
+ return this;
+
+ },
+
+ sub: function ( v, w ) {
+
+ if ( w !== undefined ) {
+
+ console.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );
+ return this.subVectors( v, w );
+
+ }
+
+ this.x -= v.x;
+ this.y -= v.y;
+
+ return this;
+
+ },
+
+ subScalar: function ( s ) {
+
+ this.x -= s;
+ this.y -= s;
+
+ return this;
+
+ },
+
+ subVectors: function ( a, b ) {
+
+ this.x = a.x - b.x;
+ this.y = a.y - b.y;
+
+ return this;
+
+ },
+
+ multiply: function ( v ) {
+
+ this.x *= v.x;
+ this.y *= v.y;
+
+ return this;
+
+ },
+
+ multiplyScalar: function ( scalar ) {
+
+ this.x *= scalar;
+ this.y *= scalar;
+
+ return this;
+
+ },
+
+ divide: function ( v ) {
+
+ this.x /= v.x;
+ this.y /= v.y;
+
+ return this;
+
+ },
+
+ divideScalar: function ( scalar ) {
+
+ return this.multiplyScalar( 1 / scalar );
+
+ },
+
+ applyMatrix3: function ( m ) {
+
+ var x = this.x, y = this.y;
+ var e = m.elements;
+
+ this.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ];
+ this.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ];
+
+ return this;
+
+ },
+
+ min: function ( v ) {
+
+ this.x = Math.min( this.x, v.x );
+ this.y = Math.min( this.y, v.y );
+
+ return this;
+
+ },
+
+ max: function ( v ) {
+
+ this.x = Math.max( this.x, v.x );
+ this.y = Math.max( this.y, v.y );
+
+ return this;
+
+ },
+
+ clamp: function ( min, max ) {
+
+ // assumes min < max, componentwise
+
+ this.x = Math.max( min.x, Math.min( max.x, this.x ) );
+ this.y = Math.max( min.y, Math.min( max.y, this.y ) );
+
+ return this;
+
+ },
+
+ clampScalar: function () {
+
+ var min = new Vector2();
+ var max = new Vector2();
+
+ return function clampScalar( minVal, maxVal ) {
+
+ min.set( minVal, minVal );
+ max.set( maxVal, maxVal );
+
+ return this.clamp( min, max );
+
+ };
+
+ }(),
+
+ clampLength: function ( min, max ) {
+
+ var length = this.length();
+
+ return this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );
+
+ },
+
+ floor: function () {
+
+ this.x = Math.floor( this.x );
+ this.y = Math.floor( this.y );
+
+ return this;
+
+ },
+
+ ceil: function () {
+
+ this.x = Math.ceil( this.x );
+ this.y = Math.ceil( this.y );
+
+ return this;
+
+ },
+
+ round: function () {
+
+ this.x = Math.round( this.x );
+ this.y = Math.round( this.y );
+
+ return this;
+
+ },
+
+ roundToZero: function () {
+
+ this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );
+ this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );
+
+ return this;
+
+ },
+
+ negate: function () {
+
+ this.x = - this.x;
+ this.y = - this.y;
+
+ return this;
+
+ },
+
+ dot: function ( v ) {
+
+ return this.x * v.x + this.y * v.y;
+
+ },
+
+ lengthSq: function () {
+
+ return this.x * this.x + this.y * this.y;
+
+ },
+
+ length: function () {
+
+ return Math.sqrt( this.x * this.x + this.y * this.y );
+
+ },
+
+ manhattanLength: function () {
+
+ return Math.abs( this.x ) + Math.abs( this.y );
+
+ },
+
+ normalize: function () {
+
+ return this.divideScalar( this.length() || 1 );
+
+ },
+
+ angle: function () {
+
+ // computes the angle in radians with respect to the positive x-axis
+
+ var angle = Math.atan2( this.y, this.x );
+
+ if ( angle < 0 ) angle += 2 * Math.PI;
+
+ return angle;
+
+ },
+
+ distanceTo: function ( v ) {
+
+ return Math.sqrt( this.distanceToSquared( v ) );
+
+ },
+
+ distanceToSquared: function ( v ) {
+
+ var dx = this.x - v.x, dy = this.y - v.y;
+ return dx * dx + dy * dy;
+
+ },
+
+ manhattanDistanceTo: function ( v ) {
+
+ return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );
+
+ },
+
+ setLength: function ( length ) {
+
+ return this.normalize().multiplyScalar( length );
+
+ },
+
+ lerp: function ( v, alpha ) {
+
+ this.x += ( v.x - this.x ) * alpha;
+ this.y += ( v.y - this.y ) * alpha;
+
+ return this;
+
+ },
+
+ lerpVectors: function ( v1, v2, alpha ) {
+
+ return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );
+
+ },
+
+ equals: function ( v ) {
+
+ return ( ( v.x === this.x ) && ( v.y === this.y ) );
+
+ },
+
+ fromArray: function ( array, offset ) {
+
+ if ( offset === undefined ) offset = 0;
+
+ this.x = array[ offset ];
+ this.y = array[ offset + 1 ];
+
+ return this;
+
+ },
+
+ toArray: function ( array, offset ) {
+
+ if ( array === undefined ) array = [];
+ if ( offset === undefined ) offset = 0;
+
+ array[ offset ] = this.x;
+ array[ offset + 1 ] = this.y;
+
+ return array;
+
+ },
+
+ fromBufferAttribute: function ( attribute, index, offset ) {
+
+ if ( offset !== undefined ) {
+
+ console.warn( 'THREE.Vector2: offset has been removed from .fromBufferAttribute().' );
+
+ }
+
+ this.x = attribute.getX( index );
+ this.y = attribute.getY( index );
+
+ return this;
+
+ },
+
+ rotateAround: function ( center, angle ) {
+
+ var c = Math.cos( angle ), s = Math.sin( angle );
+
+ var x = this.x - center.x;
+ var y = this.y - center.y;
+
+ this.x = x * c - y * s + center.x;
+ this.y = x * s + y * c + center.y;
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author supereggbert / http://www.paulbrunt.co.uk/
+ * @author philogb / http://blog.thejit.org/
+ * @author jordi_ros / http://plattsoft.com
+ * @author D1plo1d / http://github.com/D1plo1d
+ * @author alteredq / http://alteredqualia.com/
+ * @author mikael emtinger / http://gomo.se/
+ * @author timknip / http://www.floorplanner.com/
+ * @author bhouston / http://clara.io
+ * @author WestLangley / http://github.com/WestLangley
+ */
+
+ function Matrix4() {
+
+ this.elements = [
+
+ 1, 0, 0, 0,
+ 0, 1, 0, 0,
+ 0, 0, 1, 0,
+ 0, 0, 0, 1
+
+ ];
+
+ if ( arguments.length > 0 ) {
+
+ console.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' );
+
+ }
+
+ }
+
+ Object.assign( Matrix4.prototype, {
+
+ isMatrix4: true,
+
+ set: function ( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {
+
+ var te = this.elements;
+
+ te[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;
+ te[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;
+ te[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;
+ te[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;
+
+ return this;
+
+ },
+
+ identity: function () {
+
+ this.set(
+
+ 1, 0, 0, 0,
+ 0, 1, 0, 0,
+ 0, 0, 1, 0,
+ 0, 0, 0, 1
+
+ );
+
+ return this;
+
+ },
+
+ clone: function () {
+
+ return new Matrix4().fromArray( this.elements );
+
+ },
+
+ copy: function ( m ) {
+
+ var te = this.elements;
+ var me = m.elements;
+
+ te[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; te[ 3 ] = me[ 3 ];
+ te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ];
+ te[ 8 ] = me[ 8 ]; te[ 9 ] = me[ 9 ]; te[ 10 ] = me[ 10 ]; te[ 11 ] = me[ 11 ];
+ te[ 12 ] = me[ 12 ]; te[ 13 ] = me[ 13 ]; te[ 14 ] = me[ 14 ]; te[ 15 ] = me[ 15 ];
+
+ return this;
+
+ },
+
+ copyPosition: function ( m ) {
+
+ var te = this.elements, me = m.elements;
+
+ te[ 12 ] = me[ 12 ];
+ te[ 13 ] = me[ 13 ];
+ te[ 14 ] = me[ 14 ];
+
+ return this;
+
+ },
+
+ extractBasis: function ( xAxis, yAxis, zAxis ) {
+
+ xAxis.setFromMatrixColumn( this, 0 );
+ yAxis.setFromMatrixColumn( this, 1 );
+ zAxis.setFromMatrixColumn( this, 2 );
+
+ return this;
+
+ },
+
+ makeBasis: function ( xAxis, yAxis, zAxis ) {
+
+ this.set(
+ xAxis.x, yAxis.x, zAxis.x, 0,
+ xAxis.y, yAxis.y, zAxis.y, 0,
+ xAxis.z, yAxis.z, zAxis.z, 0,
+ 0, 0, 0, 1
+ );
+
+ return this;
+
+ },
+
+ extractRotation: function () {
+
+ var v1 = new Vector3();
+
+ return function extractRotation( m ) {
+
+ var te = this.elements;
+ var me = m.elements;
+
+ var scaleX = 1 / v1.setFromMatrixColumn( m, 0 ).length();
+ var scaleY = 1 / v1.setFromMatrixColumn( m, 1 ).length();
+ var scaleZ = 1 / v1.setFromMatrixColumn( m, 2 ).length();
+
+ te[ 0 ] = me[ 0 ] * scaleX;
+ te[ 1 ] = me[ 1 ] * scaleX;
+ te[ 2 ] = me[ 2 ] * scaleX;
+
+ te[ 4 ] = me[ 4 ] * scaleY;
+ te[ 5 ] = me[ 5 ] * scaleY;
+ te[ 6 ] = me[ 6 ] * scaleY;
+
+ te[ 8 ] = me[ 8 ] * scaleZ;
+ te[ 9 ] = me[ 9 ] * scaleZ;
+ te[ 10 ] = me[ 10 ] * scaleZ;
+
+ return this;
+
+ };
+
+ }(),
+
+ makeRotationFromEuler: function ( euler ) {
+
+ if ( ! ( euler && euler.isEuler ) ) {
+
+ console.error( 'THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );
+
+ }
+
+ var te = this.elements;
+
+ var x = euler.x, y = euler.y, z = euler.z;
+ var a = Math.cos( x ), b = Math.sin( x );
+ var c = Math.cos( y ), d = Math.sin( y );
+ var e = Math.cos( z ), f = Math.sin( z );
+
+ if ( euler.order === 'XYZ' ) {
+
+ var ae = a * e, af = a * f, be = b * e, bf = b * f;
+
+ te[ 0 ] = c * e;
+ te[ 4 ] = - c * f;
+ te[ 8 ] = d;
+
+ te[ 1 ] = af + be * d;
+ te[ 5 ] = ae - bf * d;
+ te[ 9 ] = - b * c;
+
+ te[ 2 ] = bf - ae * d;
+ te[ 6 ] = be + af * d;
+ te[ 10 ] = a * c;
+
+ } else if ( euler.order === 'YXZ' ) {
+
+ var ce = c * e, cf = c * f, de = d * e, df = d * f;
+
+ te[ 0 ] = ce + df * b;
+ te[ 4 ] = de * b - cf;
+ te[ 8 ] = a * d;
+
+ te[ 1 ] = a * f;
+ te[ 5 ] = a * e;
+ te[ 9 ] = - b;
+
+ te[ 2 ] = cf * b - de;
+ te[ 6 ] = df + ce * b;
+ te[ 10 ] = a * c;
+
+ } else if ( euler.order === 'ZXY' ) {
+
+ var ce = c * e, cf = c * f, de = d * e, df = d * f;
+
+ te[ 0 ] = ce - df * b;
+ te[ 4 ] = - a * f;
+ te[ 8 ] = de + cf * b;
+
+ te[ 1 ] = cf + de * b;
+ te[ 5 ] = a * e;
+ te[ 9 ] = df - ce * b;
+
+ te[ 2 ] = - a * d;
+ te[ 6 ] = b;
+ te[ 10 ] = a * c;
+
+ } else if ( euler.order === 'ZYX' ) {
+
+ var ae = a * e, af = a * f, be = b * e, bf = b * f;
+
+ te[ 0 ] = c * e;
+ te[ 4 ] = be * d - af;
+ te[ 8 ] = ae * d + bf;
+
+ te[ 1 ] = c * f;
+ te[ 5 ] = bf * d + ae;
+ te[ 9 ] = af * d - be;
+
+ te[ 2 ] = - d;
+ te[ 6 ] = b * c;
+ te[ 10 ] = a * c;
+
+ } else if ( euler.order === 'YZX' ) {
+
+ var ac = a * c, ad = a * d, bc = b * c, bd = b * d;
+
+ te[ 0 ] = c * e;
+ te[ 4 ] = bd - ac * f;
+ te[ 8 ] = bc * f + ad;
+
+ te[ 1 ] = f;
+ te[ 5 ] = a * e;
+ te[ 9 ] = - b * e;
+
+ te[ 2 ] = - d * e;
+ te[ 6 ] = ad * f + bc;
+ te[ 10 ] = ac - bd * f;
+
+ } else if ( euler.order === 'XZY' ) {
+
+ var ac = a * c, ad = a * d, bc = b * c, bd = b * d;
+
+ te[ 0 ] = c * e;
+ te[ 4 ] = - f;
+ te[ 8 ] = d * e;
+
+ te[ 1 ] = ac * f + bd;
+ te[ 5 ] = a * e;
+ te[ 9 ] = ad * f - bc;
+
+ te[ 2 ] = bc * f - ad;
+ te[ 6 ] = b * e;
+ te[ 10 ] = bd * f + ac;
+
+ }
+
+ // last column
+ te[ 3 ] = 0;
+ te[ 7 ] = 0;
+ te[ 11 ] = 0;
+
+ // bottom row
+ te[ 12 ] = 0;
+ te[ 13 ] = 0;
+ te[ 14 ] = 0;
+ te[ 15 ] = 1;
+
+ return this;
+
+ },
+
+ makeRotationFromQuaternion: function ( q ) {
+
+ var te = this.elements;
+
+ var x = q._x, y = q._y, z = q._z, w = q._w;
+ var x2 = x + x, y2 = y + y, z2 = z + z;
+ var xx = x * x2, xy = x * y2, xz = x * z2;
+ var yy = y * y2, yz = y * z2, zz = z * z2;
+ var wx = w * x2, wy = w * y2, wz = w * z2;
+
+ te[ 0 ] = 1 - ( yy + zz );
+ te[ 4 ] = xy - wz;
+ te[ 8 ] = xz + wy;
+
+ te[ 1 ] = xy + wz;
+ te[ 5 ] = 1 - ( xx + zz );
+ te[ 9 ] = yz - wx;
+
+ te[ 2 ] = xz - wy;
+ te[ 6 ] = yz + wx;
+ te[ 10 ] = 1 - ( xx + yy );
+
+ // last column
+ te[ 3 ] = 0;
+ te[ 7 ] = 0;
+ te[ 11 ] = 0;
+
+ // bottom row
+ te[ 12 ] = 0;
+ te[ 13 ] = 0;
+ te[ 14 ] = 0;
+ te[ 15 ] = 1;
+
+ return this;
+
+ },
+
+ lookAt: function () {
+
+ var x = new Vector3();
+ var y = new Vector3();
+ var z = new Vector3();
+
+ return function lookAt( eye, target, up ) {
+
+ var te = this.elements;
+
+ z.subVectors( eye, target );
+
+ if ( z.lengthSq() === 0 ) {
+
+ // eye and target are in the same position
+
+ z.z = 1;
+
+ }
+
+ z.normalize();
+ x.crossVectors( up, z );
+
+ if ( x.lengthSq() === 0 ) {
+
+ // up and z are parallel
+
+ if ( Math.abs( up.z ) === 1 ) {
+
+ z.x += 0.0001;
+
+ } else {
+
+ z.z += 0.0001;
+
+ }
+
+ z.normalize();
+ x.crossVectors( up, z );
+
+ }
+
+ x.normalize();
+ y.crossVectors( z, x );
+
+ te[ 0 ] = x.x; te[ 4 ] = y.x; te[ 8 ] = z.x;
+ te[ 1 ] = x.y; te[ 5 ] = y.y; te[ 9 ] = z.y;
+ te[ 2 ] = x.z; te[ 6 ] = y.z; te[ 10 ] = z.z;
+
+ return this;
+
+ };
+
+ }(),
+
+ multiply: function ( m, n ) {
+
+ if ( n !== undefined ) {
+
+ console.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' );
+ return this.multiplyMatrices( m, n );
+
+ }
+
+ return this.multiplyMatrices( this, m );
+
+ },
+
+ premultiply: function ( m ) {
+
+ return this.multiplyMatrices( m, this );
+
+ },
+
+ multiplyMatrices: function ( a, b ) {
+
+ var ae = a.elements;
+ var be = b.elements;
+ var te = this.elements;
+
+ var a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];
+ var a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];
+ var a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];
+ var a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];
+
+ var b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];
+ var b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];
+ var b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];
+ var b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];
+
+ te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;
+ te[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;
+ te[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;
+ te[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;
+
+ te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;
+ te[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;
+ te[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;
+ te[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;
+
+ te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;
+ te[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;
+ te[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;
+ te[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;
+
+ te[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;
+ te[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;
+ te[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;
+ te[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;
+
+ return this;
+
+ },
+
+ multiplyScalar: function ( s ) {
+
+ var te = this.elements;
+
+ te[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;
+ te[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;
+ te[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;
+ te[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;
+
+ return this;
+
+ },
+
+ applyToBufferAttribute: function () {
+
+ var v1 = new Vector3();
+
+ return function applyToBufferAttribute( attribute ) {
+
+ for ( var i = 0, l = attribute.count; i < l; i ++ ) {
+
+ v1.x = attribute.getX( i );
+ v1.y = attribute.getY( i );
+ v1.z = attribute.getZ( i );
+
+ v1.applyMatrix4( this );
+
+ attribute.setXYZ( i, v1.x, v1.y, v1.z );
+
+ }
+
+ return attribute;
+
+ };
+
+ }(),
+
+ determinant: function () {
+
+ var te = this.elements;
+
+ var n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];
+ var n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];
+ var n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];
+ var n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];
+
+ //TODO: make this more efficient
+ //( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )
+
+ return (
+ n41 * (
+ + n14 * n23 * n32
+ - n13 * n24 * n32
+ - n14 * n22 * n33
+ + n12 * n24 * n33
+ + n13 * n22 * n34
+ - n12 * n23 * n34
+ ) +
+ n42 * (
+ + n11 * n23 * n34
+ - n11 * n24 * n33
+ + n14 * n21 * n33
+ - n13 * n21 * n34
+ + n13 * n24 * n31
+ - n14 * n23 * n31
+ ) +
+ n43 * (
+ + n11 * n24 * n32
+ - n11 * n22 * n34
+ - n14 * n21 * n32
+ + n12 * n21 * n34
+ + n14 * n22 * n31
+ - n12 * n24 * n31
+ ) +
+ n44 * (
+ - n13 * n22 * n31
+ - n11 * n23 * n32
+ + n11 * n22 * n33
+ + n13 * n21 * n32
+ - n12 * n21 * n33
+ + n12 * n23 * n31
+ )
+
+ );
+
+ },
+
+ transpose: function () {
+
+ var te = this.elements;
+ var tmp;
+
+ tmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;
+ tmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;
+ tmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;
+
+ tmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;
+ tmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;
+ tmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;
+
+ return this;
+
+ },
+
+ setPosition: function ( v ) {
+
+ var te = this.elements;
+
+ te[ 12 ] = v.x;
+ te[ 13 ] = v.y;
+ te[ 14 ] = v.z;
+
+ return this;
+
+ },
+
+ getInverse: function ( m, throwOnDegenerate ) {
+
+ // based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm
+ var te = this.elements,
+ me = m.elements,
+
+ n11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ], n41 = me[ 3 ],
+ n12 = me[ 4 ], n22 = me[ 5 ], n32 = me[ 6 ], n42 = me[ 7 ],
+ n13 = me[ 8 ], n23 = me[ 9 ], n33 = me[ 10 ], n43 = me[ 11 ],
+ n14 = me[ 12 ], n24 = me[ 13 ], n34 = me[ 14 ], n44 = me[ 15 ],
+
+ t11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,
+ t12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,
+ t13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,
+ t14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;
+
+ var det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;
+
+ if ( det === 0 ) {
+
+ var msg = "THREE.Matrix4: .getInverse() can't invert matrix, determinant is 0";
+
+ if ( throwOnDegenerate === true ) {
+
+ throw new Error( msg );
+
+ } else {
+
+ console.warn( msg );
+
+ }
+
+ return this.identity();
+
+ }
+
+ var detInv = 1 / det;
+
+ te[ 0 ] = t11 * detInv;
+ te[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;
+ te[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;
+ te[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;
+
+ te[ 4 ] = t12 * detInv;
+ te[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;
+ te[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;
+ te[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;
+
+ te[ 8 ] = t13 * detInv;
+ te[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;
+ te[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;
+ te[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;
+
+ te[ 12 ] = t14 * detInv;
+ te[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;
+ te[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;
+ te[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;
+
+ return this;
+
+ },
+
+ scale: function ( v ) {
+
+ var te = this.elements;
+ var x = v.x, y = v.y, z = v.z;
+
+ te[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;
+ te[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;
+ te[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;
+ te[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;
+
+ return this;
+
+ },
+
+ getMaxScaleOnAxis: function () {
+
+ var te = this.elements;
+
+ var scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];
+ var scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];
+ var scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];
+
+ return Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );
+
+ },
+
+ makeTranslation: function ( x, y, z ) {
+
+ this.set(
+
+ 1, 0, 0, x,
+ 0, 1, 0, y,
+ 0, 0, 1, z,
+ 0, 0, 0, 1
+
+ );
+
+ return this;
+
+ },
+
+ makeRotationX: function ( theta ) {
+
+ var c = Math.cos( theta ), s = Math.sin( theta );
+
+ this.set(
+
+ 1, 0, 0, 0,
+ 0, c, - s, 0,
+ 0, s, c, 0,
+ 0, 0, 0, 1
+
+ );
+
+ return this;
+
+ },
+
+ makeRotationY: function ( theta ) {
+
+ var c = Math.cos( theta ), s = Math.sin( theta );
+
+ this.set(
+
+ c, 0, s, 0,
+ 0, 1, 0, 0,
+ - s, 0, c, 0,
+ 0, 0, 0, 1
+
+ );
+
+ return this;
+
+ },
+
+ makeRotationZ: function ( theta ) {
+
+ var c = Math.cos( theta ), s = Math.sin( theta );
+
+ this.set(
+
+ c, - s, 0, 0,
+ s, c, 0, 0,
+ 0, 0, 1, 0,
+ 0, 0, 0, 1
+
+ );
+
+ return this;
+
+ },
+
+ makeRotationAxis: function ( axis, angle ) {
+
+ // Based on http://www.gamedev.net/reference/articles/article1199.asp
+
+ var c = Math.cos( angle );
+ var s = Math.sin( angle );
+ var t = 1 - c;
+ var x = axis.x, y = axis.y, z = axis.z;
+ var tx = t * x, ty = t * y;
+
+ this.set(
+
+ tx * x + c, tx * y - s * z, tx * z + s * y, 0,
+ tx * y + s * z, ty * y + c, ty * z - s * x, 0,
+ tx * z - s * y, ty * z + s * x, t * z * z + c, 0,
+ 0, 0, 0, 1
+
+ );
+
+ return this;
+
+ },
+
+ makeScale: function ( x, y, z ) {
+
+ this.set(
+
+ x, 0, 0, 0,
+ 0, y, 0, 0,
+ 0, 0, z, 0,
+ 0, 0, 0, 1
+
+ );
+
+ return this;
+
+ },
+
+ makeShear: function ( x, y, z ) {
+
+ this.set(
+
+ 1, y, z, 0,
+ x, 1, z, 0,
+ x, y, 1, 0,
+ 0, 0, 0, 1
+
+ );
+
+ return this;
+
+ },
+
+ compose: function ( position, quaternion, scale ) {
+
+ this.makeRotationFromQuaternion( quaternion );
+ this.scale( scale );
+ this.setPosition( position );
+
+ return this;
+
+ },
+
+ decompose: function () {
+
+ var vector = new Vector3();
+ var matrix = new Matrix4();
+
+ return function decompose( position, quaternion, scale ) {
+
+ var te = this.elements;
+
+ var sx = vector.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();
+ var sy = vector.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();
+ var sz = vector.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();
+
+ // if determine is negative, we need to invert one scale
+ var det = this.determinant();
+ if ( det < 0 ) sx = - sx;
+
+ position.x = te[ 12 ];
+ position.y = te[ 13 ];
+ position.z = te[ 14 ];
+
+ // scale the rotation part
+ matrix.copy( this );
+
+ var invSX = 1 / sx;
+ var invSY = 1 / sy;
+ var invSZ = 1 / sz;
+
+ matrix.elements[ 0 ] *= invSX;
+ matrix.elements[ 1 ] *= invSX;
+ matrix.elements[ 2 ] *= invSX;
+
+ matrix.elements[ 4 ] *= invSY;
+ matrix.elements[ 5 ] *= invSY;
+ matrix.elements[ 6 ] *= invSY;
+
+ matrix.elements[ 8 ] *= invSZ;
+ matrix.elements[ 9 ] *= invSZ;
+ matrix.elements[ 10 ] *= invSZ;
+
+ quaternion.setFromRotationMatrix( matrix );
+
+ scale.x = sx;
+ scale.y = sy;
+ scale.z = sz;
+
+ return this;
+
+ };
+
+ }(),
+
+ makePerspective: function ( left, right, top, bottom, near, far ) {
+
+ if ( far === undefined ) {
+
+ console.warn( 'THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.' );
+
+ }
+
+ var te = this.elements;
+ var x = 2 * near / ( right - left );
+ var y = 2 * near / ( top - bottom );
+
+ var a = ( right + left ) / ( right - left );
+ var b = ( top + bottom ) / ( top - bottom );
+ var c = - ( far + near ) / ( far - near );
+ var d = - 2 * far * near / ( far - near );
+
+ te[ 0 ] = x; te[ 4 ] = 0; te[ 8 ] = a; te[ 12 ] = 0;
+ te[ 1 ] = 0; te[ 5 ] = y; te[ 9 ] = b; te[ 13 ] = 0;
+ te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = c; te[ 14 ] = d;
+ te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = - 1; te[ 15 ] = 0;
+
+ return this;
+
+ },
+
+ makeOrthographic: function ( left, right, top, bottom, near, far ) {
+
+ var te = this.elements;
+ var w = 1.0 / ( right - left );
+ var h = 1.0 / ( top - bottom );
+ var p = 1.0 / ( far - near );
+
+ var x = ( right + left ) * w;
+ var y = ( top + bottom ) * h;
+ var z = ( far + near ) * p;
+
+ te[ 0 ] = 2 * w; te[ 4 ] = 0; te[ 8 ] = 0; te[ 12 ] = - x;
+ te[ 1 ] = 0; te[ 5 ] = 2 * h; te[ 9 ] = 0; te[ 13 ] = - y;
+ te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = - 2 * p; te[ 14 ] = - z;
+ te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = 0; te[ 15 ] = 1;
+
+ return this;
+
+ },
+
+ equals: function ( matrix ) {
+
+ var te = this.elements;
+ var me = matrix.elements;
+
+ for ( var i = 0; i < 16; i ++ ) {
+
+ if ( te[ i ] !== me[ i ] ) return false;
+
+ }
+
+ return true;
+
+ },
+
+ fromArray: function ( array, offset ) {
+
+ if ( offset === undefined ) offset = 0;
+
+ for ( var i = 0; i < 16; i ++ ) {
+
+ this.elements[ i ] = array[ i + offset ];
+
+ }
+
+ return this;
+
+ },
+
+ toArray: function ( array, offset ) {
+
+ if ( array === undefined ) array = [];
+ if ( offset === undefined ) offset = 0;
+
+ var te = this.elements;
+
+ array[ offset ] = te[ 0 ];
+ array[ offset + 1 ] = te[ 1 ];
+ array[ offset + 2 ] = te[ 2 ];
+ array[ offset + 3 ] = te[ 3 ];
+
+ array[ offset + 4 ] = te[ 4 ];
+ array[ offset + 5 ] = te[ 5 ];
+ array[ offset + 6 ] = te[ 6 ];
+ array[ offset + 7 ] = te[ 7 ];
+
+ array[ offset + 8 ] = te[ 8 ];
+ array[ offset + 9 ] = te[ 9 ];
+ array[ offset + 10 ] = te[ 10 ];
+ array[ offset + 11 ] = te[ 11 ];
+
+ array[ offset + 12 ] = te[ 12 ];
+ array[ offset + 13 ] = te[ 13 ];
+ array[ offset + 14 ] = te[ 14 ];
+ array[ offset + 15 ] = te[ 15 ];
+
+ return array;
+
+ }
+
+ } );
+
+ /**
+ * @author mikael emtinger / http://gomo.se/
+ * @author alteredq / http://alteredqualia.com/
+ * @author WestLangley / http://github.com/WestLangley
+ * @author bhouston / http://clara.io
+ */
+
+ function Quaternion( x, y, z, w ) {
+
+ this._x = x || 0;
+ this._y = y || 0;
+ this._z = z || 0;
+ this._w = ( w !== undefined ) ? w : 1;
+
+ }
+
+ Object.assign( Quaternion, {
+
+ slerp: function ( qa, qb, qm, t ) {
+
+ return qm.copy( qa ).slerp( qb, t );
+
+ },
+
+ slerpFlat: function ( dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {
+
+ // fuzz-free, array-based Quaternion SLERP operation
+
+ var x0 = src0[ srcOffset0 + 0 ],
+ y0 = src0[ srcOffset0 + 1 ],
+ z0 = src0[ srcOffset0 + 2 ],
+ w0 = src0[ srcOffset0 + 3 ],
+
+ x1 = src1[ srcOffset1 + 0 ],
+ y1 = src1[ srcOffset1 + 1 ],
+ z1 = src1[ srcOffset1 + 2 ],
+ w1 = src1[ srcOffset1 + 3 ];
+
+ if ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {
+
+ var s = 1 - t,
+
+ cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,
+
+ dir = ( cos >= 0 ? 1 : - 1 ),
+ sqrSin = 1 - cos * cos;
+
+ // Skip the Slerp for tiny steps to avoid numeric problems:
+ if ( sqrSin > Number.EPSILON ) {
+
+ var sin = Math.sqrt( sqrSin ),
+ len = Math.atan2( sin, cos * dir );
+
+ s = Math.sin( s * len ) / sin;
+ t = Math.sin( t * len ) / sin;
+
+ }
+
+ var tDir = t * dir;
+
+ x0 = x0 * s + x1 * tDir;
+ y0 = y0 * s + y1 * tDir;
+ z0 = z0 * s + z1 * tDir;
+ w0 = w0 * s + w1 * tDir;
+
+ // Normalize in case we just did a lerp:
+ if ( s === 1 - t ) {
+
+ var f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );
+
+ x0 *= f;
+ y0 *= f;
+ z0 *= f;
+ w0 *= f;
+
+ }
+
+ }
+
+ dst[ dstOffset ] = x0;
+ dst[ dstOffset + 1 ] = y0;
+ dst[ dstOffset + 2 ] = z0;
+ dst[ dstOffset + 3 ] = w0;
+
+ }
+
+ } );
+
+ Object.defineProperties( Quaternion.prototype, {
+
+ x: {
+
+ get: function () {
+
+ return this._x;
+
+ },
+
+ set: function ( value ) {
+
+ this._x = value;
+ this.onChangeCallback();
+
+ }
+
+ },
+
+ y: {
+
+ get: function () {
+
+ return this._y;
+
+ },
+
+ set: function ( value ) {
+
+ this._y = value;
+ this.onChangeCallback();
+
+ }
+
+ },
+
+ z: {
+
+ get: function () {
+
+ return this._z;
+
+ },
+
+ set: function ( value ) {
+
+ this._z = value;
+ this.onChangeCallback();
+
+ }
+
+ },
+
+ w: {
+
+ get: function () {
+
+ return this._w;
+
+ },
+
+ set: function ( value ) {
+
+ this._w = value;
+ this.onChangeCallback();
+
+ }
+
+ }
+
+ } );
+
+ Object.assign( Quaternion.prototype, {
+
+ set: function ( x, y, z, w ) {
+
+ this._x = x;
+ this._y = y;
+ this._z = z;
+ this._w = w;
+
+ this.onChangeCallback();
+
+ return this;
+
+ },
+
+ clone: function () {
+
+ return new this.constructor( this._x, this._y, this._z, this._w );
+
+ },
+
+ copy: function ( quaternion ) {
+
+ this._x = quaternion.x;
+ this._y = quaternion.y;
+ this._z = quaternion.z;
+ this._w = quaternion.w;
+
+ this.onChangeCallback();
+
+ return this;
+
+ },
+
+ setFromEuler: function ( euler, update ) {
+
+ if ( ! ( euler && euler.isEuler ) ) {
+
+ throw new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' );
+
+ }
+
+ var x = euler._x, y = euler._y, z = euler._z, order = euler.order;
+
+ // http://www.mathworks.com/matlabcentral/fileexchange/
+ // 20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/
+ // content/SpinCalc.m
+
+ var cos = Math.cos;
+ var sin = Math.sin;
+
+ var c1 = cos( x / 2 );
+ var c2 = cos( y / 2 );
+ var c3 = cos( z / 2 );
+
+ var s1 = sin( x / 2 );
+ var s2 = sin( y / 2 );
+ var s3 = sin( z / 2 );
+
+ if ( order === 'XYZ' ) {
+
+ this._x = s1 * c2 * c3 + c1 * s2 * s3;
+ this._y = c1 * s2 * c3 - s1 * c2 * s3;
+ this._z = c1 * c2 * s3 + s1 * s2 * c3;
+ this._w = c1 * c2 * c3 - s1 * s2 * s3;
+
+ } else if ( order === 'YXZ' ) {
+
+ this._x = s1 * c2 * c3 + c1 * s2 * s3;
+ this._y = c1 * s2 * c3 - s1 * c2 * s3;
+ this._z = c1 * c2 * s3 - s1 * s2 * c3;
+ this._w = c1 * c2 * c3 + s1 * s2 * s3;
+
+ } else if ( order === 'ZXY' ) {
+
+ this._x = s1 * c2 * c3 - c1 * s2 * s3;
+ this._y = c1 * s2 * c3 + s1 * c2 * s3;
+ this._z = c1 * c2 * s3 + s1 * s2 * c3;
+ this._w = c1 * c2 * c3 - s1 * s2 * s3;
+
+ } else if ( order === 'ZYX' ) {
+
+ this._x = s1 * c2 * c3 - c1 * s2 * s3;
+ this._y = c1 * s2 * c3 + s1 * c2 * s3;
+ this._z = c1 * c2 * s3 - s1 * s2 * c3;
+ this._w = c1 * c2 * c3 + s1 * s2 * s3;
+
+ } else if ( order === 'YZX' ) {
+
+ this._x = s1 * c2 * c3 + c1 * s2 * s3;
+ this._y = c1 * s2 * c3 + s1 * c2 * s3;
+ this._z = c1 * c2 * s3 - s1 * s2 * c3;
+ this._w = c1 * c2 * c3 - s1 * s2 * s3;
+
+ } else if ( order === 'XZY' ) {
+
+ this._x = s1 * c2 * c3 - c1 * s2 * s3;
+ this._y = c1 * s2 * c3 - s1 * c2 * s3;
+ this._z = c1 * c2 * s3 + s1 * s2 * c3;
+ this._w = c1 * c2 * c3 + s1 * s2 * s3;
+
+ }
+
+ if ( update !== false ) this.onChangeCallback();
+
+ return this;
+
+ },
+
+ setFromAxisAngle: function ( axis, angle ) {
+
+ // http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm
+
+ // assumes axis is normalized
+
+ var halfAngle = angle / 2, s = Math.sin( halfAngle );
+
+ this._x = axis.x * s;
+ this._y = axis.y * s;
+ this._z = axis.z * s;
+ this._w = Math.cos( halfAngle );
+
+ this.onChangeCallback();
+
+ return this;
+
+ },
+
+ setFromRotationMatrix: function ( m ) {
+
+ // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm
+
+ // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)
+
+ var te = m.elements,
+
+ m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],
+ m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],
+ m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],
+
+ trace = m11 + m22 + m33,
+ s;
+
+ if ( trace > 0 ) {
+
+ s = 0.5 / Math.sqrt( trace + 1.0 );
+
+ this._w = 0.25 / s;
+ this._x = ( m32 - m23 ) * s;
+ this._y = ( m13 - m31 ) * s;
+ this._z = ( m21 - m12 ) * s;
+
+ } else if ( m11 > m22 && m11 > m33 ) {
+
+ s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );
+
+ this._w = ( m32 - m23 ) / s;
+ this._x = 0.25 * s;
+ this._y = ( m12 + m21 ) / s;
+ this._z = ( m13 + m31 ) / s;
+
+ } else if ( m22 > m33 ) {
+
+ s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );
+
+ this._w = ( m13 - m31 ) / s;
+ this._x = ( m12 + m21 ) / s;
+ this._y = 0.25 * s;
+ this._z = ( m23 + m32 ) / s;
+
+ } else {
+
+ s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );
+
+ this._w = ( m21 - m12 ) / s;
+ this._x = ( m13 + m31 ) / s;
+ this._y = ( m23 + m32 ) / s;
+ this._z = 0.25 * s;
+
+ }
+
+ this.onChangeCallback();
+
+ return this;
+
+ },
+
+ setFromUnitVectors: function () {
+
+ // assumes direction vectors vFrom and vTo are normalized
+
+ var v1 = new Vector3();
+ var r;
+
+ var EPS = 0.000001;
+
+ return function setFromUnitVectors( vFrom, vTo ) {
+
+ if ( v1 === undefined ) v1 = new Vector3();
+
+ r = vFrom.dot( vTo ) + 1;
+
+ if ( r < EPS ) {
+
+ r = 0;
+
+ if ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {
+
+ v1.set( - vFrom.y, vFrom.x, 0 );
+
+ } else {
+
+ v1.set( 0, - vFrom.z, vFrom.y );
+
+ }
+
+ } else {
+
+ v1.crossVectors( vFrom, vTo );
+
+ }
+
+ this._x = v1.x;
+ this._y = v1.y;
+ this._z = v1.z;
+ this._w = r;
+
+ return this.normalize();
+
+ };
+
+ }(),
+
+ inverse: function () {
+
+ return this.conjugate().normalize();
+
+ },
+
+ conjugate: function () {
+
+ this._x *= - 1;
+ this._y *= - 1;
+ this._z *= - 1;
+
+ this.onChangeCallback();
+
+ return this;
+
+ },
+
+ dot: function ( v ) {
+
+ return this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;
+
+ },
+
+ lengthSq: function () {
+
+ return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;
+
+ },
+
+ length: function () {
+
+ return Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );
+
+ },
+
+ normalize: function () {
+
+ var l = this.length();
+
+ if ( l === 0 ) {
+
+ this._x = 0;
+ this._y = 0;
+ this._z = 0;
+ this._w = 1;
+
+ } else {
+
+ l = 1 / l;
+
+ this._x = this._x * l;
+ this._y = this._y * l;
+ this._z = this._z * l;
+ this._w = this._w * l;
+
+ }
+
+ this.onChangeCallback();
+
+ return this;
+
+ },
+
+ multiply: function ( q, p ) {
+
+ if ( p !== undefined ) {
+
+ console.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' );
+ return this.multiplyQuaternions( q, p );
+
+ }
+
+ return this.multiplyQuaternions( this, q );
+
+ },
+
+ premultiply: function ( q ) {
+
+ return this.multiplyQuaternions( q, this );
+
+ },
+
+ multiplyQuaternions: function ( a, b ) {
+
+ // from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm
+
+ var qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;
+ var qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;
+
+ this._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;
+ this._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;
+ this._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;
+ this._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;
+
+ this.onChangeCallback();
+
+ return this;
+
+ },
+
+ slerp: function ( qb, t ) {
+
+ if ( t === 0 ) return this;
+ if ( t === 1 ) return this.copy( qb );
+
+ var x = this._x, y = this._y, z = this._z, w = this._w;
+
+ // http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/
+
+ var cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;
+
+ if ( cosHalfTheta < 0 ) {
+
+ this._w = - qb._w;
+ this._x = - qb._x;
+ this._y = - qb._y;
+ this._z = - qb._z;
+
+ cosHalfTheta = - cosHalfTheta;
+
+ } else {
+
+ this.copy( qb );
+
+ }
+
+ if ( cosHalfTheta >= 1.0 ) {
+
+ this._w = w;
+ this._x = x;
+ this._y = y;
+ this._z = z;
+
+ return this;
+
+ }
+
+ var sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta );
+
+ if ( Math.abs( sinHalfTheta ) < 0.001 ) {
+
+ this._w = 0.5 * ( w + this._w );
+ this._x = 0.5 * ( x + this._x );
+ this._y = 0.5 * ( y + this._y );
+ this._z = 0.5 * ( z + this._z );
+
+ return this;
+
+ }
+
+ var halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );
+ var ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,
+ ratioB = Math.sin( t * halfTheta ) / sinHalfTheta;
+
+ this._w = ( w * ratioA + this._w * ratioB );
+ this._x = ( x * ratioA + this._x * ratioB );
+ this._y = ( y * ratioA + this._y * ratioB );
+ this._z = ( z * ratioA + this._z * ratioB );
+
+ this.onChangeCallback();
+
+ return this;
+
+ },
+
+ equals: function ( quaternion ) {
+
+ return ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );
+
+ },
+
+ fromArray: function ( array, offset ) {
+
+ if ( offset === undefined ) offset = 0;
+
+ this._x = array[ offset ];
+ this._y = array[ offset + 1 ];
+ this._z = array[ offset + 2 ];
+ this._w = array[ offset + 3 ];
+
+ this.onChangeCallback();
+
+ return this;
+
+ },
+
+ toArray: function ( array, offset ) {
+
+ if ( array === undefined ) array = [];
+ if ( offset === undefined ) offset = 0;
+
+ array[ offset ] = this._x;
+ array[ offset + 1 ] = this._y;
+ array[ offset + 2 ] = this._z;
+ array[ offset + 3 ] = this._w;
+
+ return array;
+
+ },
+
+ onChange: function ( callback ) {
+
+ this.onChangeCallback = callback;
+
+ return this;
+
+ },
+
+ onChangeCallback: function () {}
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author kile / http://kile.stravaganza.org/
+ * @author philogb / http://blog.thejit.org/
+ * @author mikael emtinger / http://gomo.se/
+ * @author egraether / http://egraether.com/
+ * @author WestLangley / http://github.com/WestLangley
+ */
+
+ function Vector3( x, y, z ) {
+
+ this.x = x || 0;
+ this.y = y || 0;
+ this.z = z || 0;
+
+ }
+
+ Object.assign( Vector3.prototype, {
+
+ isVector3: true,
+
+ set: function ( x, y, z ) {
+
+ this.x = x;
+ this.y = y;
+ this.z = z;
+
+ return this;
+
+ },
+
+ setScalar: function ( scalar ) {
+
+ this.x = scalar;
+ this.y = scalar;
+ this.z = scalar;
+
+ return this;
+
+ },
+
+ setX: function ( x ) {
+
+ this.x = x;
+
+ return this;
+
+ },
+
+ setY: function ( y ) {
+
+ this.y = y;
+
+ return this;
+
+ },
+
+ setZ: function ( z ) {
+
+ this.z = z;
+
+ return this;
+
+ },
+
+ setComponent: function ( index, value ) {
+
+ switch ( index ) {
+
+ case 0: this.x = value; break;
+ case 1: this.y = value; break;
+ case 2: this.z = value; break;
+ default: throw new Error( 'index is out of range: ' + index );
+
+ }
+
+ return this;
+
+ },
+
+ getComponent: function ( index ) {
+
+ switch ( index ) {
+
+ case 0: return this.x;
+ case 1: return this.y;
+ case 2: return this.z;
+ default: throw new Error( 'index is out of range: ' + index );
+
+ }
+
+ },
+
+ clone: function () {
+
+ return new this.constructor( this.x, this.y, this.z );
+
+ },
+
+ copy: function ( v ) {
+
+ this.x = v.x;
+ this.y = v.y;
+ this.z = v.z;
+
+ return this;
+
+ },
+
+ add: function ( v, w ) {
+
+ if ( w !== undefined ) {
+
+ console.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );
+ return this.addVectors( v, w );
+
+ }
+
+ this.x += v.x;
+ this.y += v.y;
+ this.z += v.z;
+
+ return this;
+
+ },
+
+ addScalar: function ( s ) {
+
+ this.x += s;
+ this.y += s;
+ this.z += s;
+
+ return this;
+
+ },
+
+ addVectors: function ( a, b ) {
+
+ this.x = a.x + b.x;
+ this.y = a.y + b.y;
+ this.z = a.z + b.z;
+
+ return this;
+
+ },
+
+ addScaledVector: function ( v, s ) {
+
+ this.x += v.x * s;
+ this.y += v.y * s;
+ this.z += v.z * s;
+
+ return this;
+
+ },
+
+ sub: function ( v, w ) {
+
+ if ( w !== undefined ) {
+
+ console.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );
+ return this.subVectors( v, w );
+
+ }
+
+ this.x -= v.x;
+ this.y -= v.y;
+ this.z -= v.z;
+
+ return this;
+
+ },
+
+ subScalar: function ( s ) {
+
+ this.x -= s;
+ this.y -= s;
+ this.z -= s;
+
+ return this;
+
+ },
+
+ subVectors: function ( a, b ) {
+
+ this.x = a.x - b.x;
+ this.y = a.y - b.y;
+ this.z = a.z - b.z;
+
+ return this;
+
+ },
+
+ multiply: function ( v, w ) {
+
+ if ( w !== undefined ) {
+
+ console.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' );
+ return this.multiplyVectors( v, w );
+
+ }
+
+ this.x *= v.x;
+ this.y *= v.y;
+ this.z *= v.z;
+
+ return this;
+
+ },
+
+ multiplyScalar: function ( scalar ) {
+
+ this.x *= scalar;
+ this.y *= scalar;
+ this.z *= scalar;
+
+ return this;
+
+ },
+
+ multiplyVectors: function ( a, b ) {
+
+ this.x = a.x * b.x;
+ this.y = a.y * b.y;
+ this.z = a.z * b.z;
+
+ return this;
+
+ },
+
+ applyEuler: function () {
+
+ var quaternion = new Quaternion();
+
+ return function applyEuler( euler ) {
+
+ if ( ! ( euler && euler.isEuler ) ) {
+
+ console.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' );
+
+ }
+
+ return this.applyQuaternion( quaternion.setFromEuler( euler ) );
+
+ };
+
+ }(),
+
+ applyAxisAngle: function () {
+
+ var quaternion = new Quaternion();
+
+ return function applyAxisAngle( axis, angle ) {
+
+ return this.applyQuaternion( quaternion.setFromAxisAngle( axis, angle ) );
+
+ };
+
+ }(),
+
+ applyMatrix3: function ( m ) {
+
+ var x = this.x, y = this.y, z = this.z;
+ var e = m.elements;
+
+ this.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;
+ this.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;
+ this.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;
+
+ return this;
+
+ },
+
+ applyMatrix4: function ( m ) {
+
+ var x = this.x, y = this.y, z = this.z;
+ var e = m.elements;
+
+ var w = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] );
+
+ this.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * w;
+ this.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * w;
+ this.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * w;
+
+ return this;
+
+ },
+
+ applyQuaternion: function ( q ) {
+
+ var x = this.x, y = this.y, z = this.z;
+ var qx = q.x, qy = q.y, qz = q.z, qw = q.w;
+
+ // calculate quat * vector
+
+ var ix = qw * x + qy * z - qz * y;
+ var iy = qw * y + qz * x - qx * z;
+ var iz = qw * z + qx * y - qy * x;
+ var iw = - qx * x - qy * y - qz * z;
+
+ // calculate result * inverse quat
+
+ this.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;
+ this.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;
+ this.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;
+
+ return this;
+
+ },
+
+ project: function () {
+
+ var matrix = new Matrix4();
+
+ return function project( camera ) {
+
+ matrix.multiplyMatrices( camera.projectionMatrix, matrix.getInverse( camera.matrixWorld ) );
+ return this.applyMatrix4( matrix );
+
+ };
+
+ }(),
+
+ unproject: function () {
+
+ var matrix = new Matrix4();
+
+ return function unproject( camera ) {
+
+ matrix.multiplyMatrices( camera.matrixWorld, matrix.getInverse( camera.projectionMatrix ) );
+ return this.applyMatrix4( matrix );
+
+ };
+
+ }(),
+
+ transformDirection: function ( m ) {
+
+ // input: THREE.Matrix4 affine matrix
+ // vector interpreted as a direction
+
+ var x = this.x, y = this.y, z = this.z;
+ var e = m.elements;
+
+ this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;
+ this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;
+ this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;
+
+ return this.normalize();
+
+ },
+
+ divide: function ( v ) {
+
+ this.x /= v.x;
+ this.y /= v.y;
+ this.z /= v.z;
+
+ return this;
+
+ },
+
+ divideScalar: function ( scalar ) {
+
+ return this.multiplyScalar( 1 / scalar );
+
+ },
+
+ min: function ( v ) {
+
+ this.x = Math.min( this.x, v.x );
+ this.y = Math.min( this.y, v.y );
+ this.z = Math.min( this.z, v.z );
+
+ return this;
+
+ },
+
+ max: function ( v ) {
+
+ this.x = Math.max( this.x, v.x );
+ this.y = Math.max( this.y, v.y );
+ this.z = Math.max( this.z, v.z );
+
+ return this;
+
+ },
+
+ clamp: function ( min, max ) {
+
+ // assumes min < max, componentwise
+
+ this.x = Math.max( min.x, Math.min( max.x, this.x ) );
+ this.y = Math.max( min.y, Math.min( max.y, this.y ) );
+ this.z = Math.max( min.z, Math.min( max.z, this.z ) );
+
+ return this;
+
+ },
+
+ clampScalar: function () {
+
+ var min = new Vector3();
+ var max = new Vector3();
+
+ return function clampScalar( minVal, maxVal ) {
+
+ min.set( minVal, minVal, minVal );
+ max.set( maxVal, maxVal, maxVal );
+
+ return this.clamp( min, max );
+
+ };
+
+ }(),
+
+ clampLength: function ( min, max ) {
+
+ var length = this.length();
+
+ return this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );
+
+ },
+
+ floor: function () {
+
+ this.x = Math.floor( this.x );
+ this.y = Math.floor( this.y );
+ this.z = Math.floor( this.z );
+
+ return this;
+
+ },
+
+ ceil: function () {
+
+ this.x = Math.ceil( this.x );
+ this.y = Math.ceil( this.y );
+ this.z = Math.ceil( this.z );
+
+ return this;
+
+ },
+
+ round: function () {
+
+ this.x = Math.round( this.x );
+ this.y = Math.round( this.y );
+ this.z = Math.round( this.z );
+
+ return this;
+
+ },
+
+ roundToZero: function () {
+
+ this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );
+ this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );
+ this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );
+
+ return this;
+
+ },
+
+ negate: function () {
+
+ this.x = - this.x;
+ this.y = - this.y;
+ this.z = - this.z;
+
+ return this;
+
+ },
+
+ dot: function ( v ) {
+
+ return this.x * v.x + this.y * v.y + this.z * v.z;
+
+ },
+
+ // TODO lengthSquared?
+
+ lengthSq: function () {
+
+ return this.x * this.x + this.y * this.y + this.z * this.z;
+
+ },
+
+ length: function () {
+
+ return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );
+
+ },
+
+ manhattanLength: function () {
+
+ return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );
+
+ },
+
+ normalize: function () {
+
+ return this.divideScalar( this.length() || 1 );
+
+ },
+
+ setLength: function ( length ) {
+
+ return this.normalize().multiplyScalar( length );
+
+ },
+
+ lerp: function ( v, alpha ) {
+
+ this.x += ( v.x - this.x ) * alpha;
+ this.y += ( v.y - this.y ) * alpha;
+ this.z += ( v.z - this.z ) * alpha;
+
+ return this;
+
+ },
+
+ lerpVectors: function ( v1, v2, alpha ) {
+
+ return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );
+
+ },
+
+ cross: function ( v, w ) {
+
+ if ( w !== undefined ) {
+
+ console.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' );
+ return this.crossVectors( v, w );
+
+ }
+
+ return this.crossVectors( this, v );
+
+ },
+
+ crossVectors: function ( a, b ) {
+
+ var ax = a.x, ay = a.y, az = a.z;
+ var bx = b.x, by = b.y, bz = b.z;
+
+ this.x = ay * bz - az * by;
+ this.y = az * bx - ax * bz;
+ this.z = ax * by - ay * bx;
+
+ return this;
+
+ },
+
+ projectOnVector: function ( vector ) {
+
+ var scalar = vector.dot( this ) / vector.lengthSq();
+
+ return this.copy( vector ).multiplyScalar( scalar );
+
+ },
+
+ projectOnPlane: function () {
+
+ var v1 = new Vector3();
+
+ return function projectOnPlane( planeNormal ) {
+
+ v1.copy( this ).projectOnVector( planeNormal );
+
+ return this.sub( v1 );
+
+ };
+
+ }(),
+
+ reflect: function () {
+
+ // reflect incident vector off plane orthogonal to normal
+ // normal is assumed to have unit length
+
+ var v1 = new Vector3();
+
+ return function reflect( normal ) {
+
+ return this.sub( v1.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );
+
+ };
+
+ }(),
+
+ angleTo: function ( v ) {
+
+ var theta = this.dot( v ) / ( Math.sqrt( this.lengthSq() * v.lengthSq() ) );
+
+ // clamp, to handle numerical problems
+
+ return Math.acos( _Math.clamp( theta, - 1, 1 ) );
+
+ },
+
+ distanceTo: function ( v ) {
+
+ return Math.sqrt( this.distanceToSquared( v ) );
+
+ },
+
+ distanceToSquared: function ( v ) {
+
+ var dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;
+
+ return dx * dx + dy * dy + dz * dz;
+
+ },
+
+ manhattanDistanceTo: function ( v ) {
+
+ return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );
+
+ },
+
+ setFromSpherical: function ( s ) {
+
+ var sinPhiRadius = Math.sin( s.phi ) * s.radius;
+
+ this.x = sinPhiRadius * Math.sin( s.theta );
+ this.y = Math.cos( s.phi ) * s.radius;
+ this.z = sinPhiRadius * Math.cos( s.theta );
+
+ return this;
+
+ },
+
+ setFromCylindrical: function ( c ) {
+
+ this.x = c.radius * Math.sin( c.theta );
+ this.y = c.y;
+ this.z = c.radius * Math.cos( c.theta );
+
+ return this;
+
+ },
+
+ setFromMatrixPosition: function ( m ) {
+
+ var e = m.elements;
+
+ this.x = e[ 12 ];
+ this.y = e[ 13 ];
+ this.z = e[ 14 ];
+
+ return this;
+
+ },
+
+ setFromMatrixScale: function ( m ) {
+
+ var sx = this.setFromMatrixColumn( m, 0 ).length();
+ var sy = this.setFromMatrixColumn( m, 1 ).length();
+ var sz = this.setFromMatrixColumn( m, 2 ).length();
+
+ this.x = sx;
+ this.y = sy;
+ this.z = sz;
+
+ return this;
+
+ },
+
+ setFromMatrixColumn: function ( m, index ) {
+
+ return this.fromArray( m.elements, index * 4 );
+
+ },
+
+ equals: function ( v ) {
+
+ return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );
+
+ },
+
+ fromArray: function ( array, offset ) {
+
+ if ( offset === undefined ) offset = 0;
+
+ this.x = array[ offset ];
+ this.y = array[ offset + 1 ];
+ this.z = array[ offset + 2 ];
+
+ return this;
+
+ },
+
+ toArray: function ( array, offset ) {
+
+ if ( array === undefined ) array = [];
+ if ( offset === undefined ) offset = 0;
+
+ array[ offset ] = this.x;
+ array[ offset + 1 ] = this.y;
+ array[ offset + 2 ] = this.z;
+
+ return array;
+
+ },
+
+ fromBufferAttribute: function ( attribute, index, offset ) {
+
+ if ( offset !== undefined ) {
+
+ console.warn( 'THREE.Vector3: offset has been removed from .fromBufferAttribute().' );
+
+ }
+
+ this.x = attribute.getX( index );
+ this.y = attribute.getY( index );
+ this.z = attribute.getZ( index );
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ * @author WestLangley / http://github.com/WestLangley
+ * @author bhouston / http://clara.io
+ * @author tschw
+ */
+
+ function Matrix3() {
+
+ this.elements = [
+
+ 1, 0, 0,
+ 0, 1, 0,
+ 0, 0, 1
+
+ ];
+
+ if ( arguments.length > 0 ) {
+
+ console.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' );
+
+ }
+
+ }
+
+ Object.assign( Matrix3.prototype, {
+
+ isMatrix3: true,
+
+ set: function ( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {
+
+ var te = this.elements;
+
+ te[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;
+ te[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;
+ te[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;
+
+ return this;
+
+ },
+
+ identity: function () {
+
+ this.set(
+
+ 1, 0, 0,
+ 0, 1, 0,
+ 0, 0, 1
+
+ );
+
+ return this;
+
+ },
+
+ clone: function () {
+
+ return new this.constructor().fromArray( this.elements );
+
+ },
+
+ copy: function ( m ) {
+
+ var te = this.elements;
+ var me = m.elements;
+
+ te[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ];
+ te[ 3 ] = me[ 3 ]; te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ];
+ te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; te[ 8 ] = me[ 8 ];
+
+ return this;
+
+ },
+
+ setFromMatrix4: function ( m ) {
+
+ var me = m.elements;
+
+ this.set(
+
+ me[ 0 ], me[ 4 ], me[ 8 ],
+ me[ 1 ], me[ 5 ], me[ 9 ],
+ me[ 2 ], me[ 6 ], me[ 10 ]
+
+ );
+
+ return this;
+
+ },
+
+ applyToBufferAttribute: function () {
+
+ var v1 = new Vector3();
+
+ return function applyToBufferAttribute( attribute ) {
+
+ for ( var i = 0, l = attribute.count; i < l; i ++ ) {
+
+ v1.x = attribute.getX( i );
+ v1.y = attribute.getY( i );
+ v1.z = attribute.getZ( i );
+
+ v1.applyMatrix3( this );
+
+ attribute.setXYZ( i, v1.x, v1.y, v1.z );
+
+ }
+
+ return attribute;
+
+ };
+
+ }(),
+
+ multiply: function ( m ) {
+
+ return this.multiplyMatrices( this, m );
+
+ },
+
+ premultiply: function ( m ) {
+
+ return this.multiplyMatrices( m, this );
+
+ },
+
+ multiplyMatrices: function ( a, b ) {
+
+ var ae = a.elements;
+ var be = b.elements;
+ var te = this.elements;
+
+ var a11 = ae[ 0 ], a12 = ae[ 3 ], a13 = ae[ 6 ];
+ var a21 = ae[ 1 ], a22 = ae[ 4 ], a23 = ae[ 7 ];
+ var a31 = ae[ 2 ], a32 = ae[ 5 ], a33 = ae[ 8 ];
+
+ var b11 = be[ 0 ], b12 = be[ 3 ], b13 = be[ 6 ];
+ var b21 = be[ 1 ], b22 = be[ 4 ], b23 = be[ 7 ];
+ var b31 = be[ 2 ], b32 = be[ 5 ], b33 = be[ 8 ];
+
+ te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31;
+ te[ 3 ] = a11 * b12 + a12 * b22 + a13 * b32;
+ te[ 6 ] = a11 * b13 + a12 * b23 + a13 * b33;
+
+ te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31;
+ te[ 4 ] = a21 * b12 + a22 * b22 + a23 * b32;
+ te[ 7 ] = a21 * b13 + a22 * b23 + a23 * b33;
+
+ te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31;
+ te[ 5 ] = a31 * b12 + a32 * b22 + a33 * b32;
+ te[ 8 ] = a31 * b13 + a32 * b23 + a33 * b33;
+
+ return this;
+
+ },
+
+ multiplyScalar: function ( s ) {
+
+ var te = this.elements;
+
+ te[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;
+ te[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;
+ te[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;
+
+ return this;
+
+ },
+
+ determinant: function () {
+
+ var te = this.elements;
+
+ var a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],
+ d = te[ 3 ], e = te[ 4 ], f = te[ 5 ],
+ g = te[ 6 ], h = te[ 7 ], i = te[ 8 ];
+
+ return a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;
+
+ },
+
+ getInverse: function ( matrix, throwOnDegenerate ) {
+
+ if ( matrix && matrix.isMatrix4 ) {
+
+ console.error( "THREE.Matrix3: .getInverse() no longer takes a Matrix4 argument." );
+
+ }
+
+ var me = matrix.elements,
+ te = this.elements,
+
+ n11 = me[ 0 ], n21 = me[ 1 ], n31 = me[ 2 ],
+ n12 = me[ 3 ], n22 = me[ 4 ], n32 = me[ 5 ],
+ n13 = me[ 6 ], n23 = me[ 7 ], n33 = me[ 8 ],
+
+ t11 = n33 * n22 - n32 * n23,
+ t12 = n32 * n13 - n33 * n12,
+ t13 = n23 * n12 - n22 * n13,
+
+ det = n11 * t11 + n21 * t12 + n31 * t13;
+
+ if ( det === 0 ) {
+
+ var msg = "THREE.Matrix3: .getInverse() can't invert matrix, determinant is 0";
+
+ if ( throwOnDegenerate === true ) {
+
+ throw new Error( msg );
+
+ } else {
+
+ console.warn( msg );
+
+ }
+
+ return this.identity();
+
+ }
+
+ var detInv = 1 / det;
+
+ te[ 0 ] = t11 * detInv;
+ te[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;
+ te[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;
+
+ te[ 3 ] = t12 * detInv;
+ te[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;
+ te[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;
+
+ te[ 6 ] = t13 * detInv;
+ te[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;
+ te[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;
+
+ return this;
+
+ },
+
+ transpose: function () {
+
+ var tmp, m = this.elements;
+
+ tmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;
+ tmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;
+ tmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;
+
+ return this;
+
+ },
+
+ getNormalMatrix: function ( matrix4 ) {
+
+ return this.setFromMatrix4( matrix4 ).getInverse( this ).transpose();
+
+ },
+
+ transposeIntoArray: function ( r ) {
+
+ var m = this.elements;
+
+ r[ 0 ] = m[ 0 ];
+ r[ 1 ] = m[ 3 ];
+ r[ 2 ] = m[ 6 ];
+ r[ 3 ] = m[ 1 ];
+ r[ 4 ] = m[ 4 ];
+ r[ 5 ] = m[ 7 ];
+ r[ 6 ] = m[ 2 ];
+ r[ 7 ] = m[ 5 ];
+ r[ 8 ] = m[ 8 ];
+
+ return this;
+
+ },
+
+ setUvTransform: function ( tx, ty, sx, sy, rotation, cx, cy ) {
+
+ var c = Math.cos( rotation );
+ var s = Math.sin( rotation );
+
+ this.set(
+ sx * c, sx * s, - sx * ( c * cx + s * cy ) + cx + tx,
+ - sy * s, sy * c, - sy * ( - s * cx + c * cy ) + cy + ty,
+ 0, 0, 1
+ );
+
+ },
+
+ scale: function ( sx, sy ) {
+
+ var te = this.elements;
+
+ te[ 0 ] *= sx; te[ 3 ] *= sx; te[ 6 ] *= sx;
+ te[ 1 ] *= sy; te[ 4 ] *= sy; te[ 7 ] *= sy;
+
+ return this;
+
+ },
+
+ rotate: function ( theta ) {
+
+ var c = Math.cos( theta );
+ var s = Math.sin( theta );
+
+ var te = this.elements;
+
+ var a11 = te[ 0 ], a12 = te[ 3 ], a13 = te[ 6 ];
+ var a21 = te[ 1 ], a22 = te[ 4 ], a23 = te[ 7 ];
+
+ te[ 0 ] = c * a11 + s * a21;
+ te[ 3 ] = c * a12 + s * a22;
+ te[ 6 ] = c * a13 + s * a23;
+
+ te[ 1 ] = - s * a11 + c * a21;
+ te[ 4 ] = - s * a12 + c * a22;
+ te[ 7 ] = - s * a13 + c * a23;
+
+ return this;
+
+ },
+
+ translate: function ( tx, ty ) {
+
+ var te = this.elements;
+
+ te[ 0 ] += tx * te[ 2 ]; te[ 3 ] += tx * te[ 5 ]; te[ 6 ] += tx * te[ 8 ];
+ te[ 1 ] += ty * te[ 2 ]; te[ 4 ] += ty * te[ 5 ]; te[ 7 ] += ty * te[ 8 ];
+
+ return this;
+
+ },
+
+ equals: function ( matrix ) {
+
+ var te = this.elements;
+ var me = matrix.elements;
+
+ for ( var i = 0; i < 9; i ++ ) {
+
+ if ( te[ i ] !== me[ i ] ) return false;
+
+ }
+
+ return true;
+
+ },
+
+ fromArray: function ( array, offset ) {
+
+ if ( offset === undefined ) offset = 0;
+
+ for ( var i = 0; i < 9; i ++ ) {
+
+ this.elements[ i ] = array[ i + offset ];
+
+ }
+
+ return this;
+
+ },
+
+ toArray: function ( array, offset ) {
+
+ if ( array === undefined ) array = [];
+ if ( offset === undefined ) offset = 0;
+
+ var te = this.elements;
+
+ array[ offset ] = te[ 0 ];
+ array[ offset + 1 ] = te[ 1 ];
+ array[ offset + 2 ] = te[ 2 ];
+
+ array[ offset + 3 ] = te[ 3 ];
+ array[ offset + 4 ] = te[ 4 ];
+ array[ offset + 5 ] = te[ 5 ];
+
+ array[ offset + 6 ] = te[ 6 ];
+ array[ offset + 7 ] = te[ 7 ];
+ array[ offset + 8 ] = te[ 8 ];
+
+ return array;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ * @author szimek / https://github.com/szimek/
+ */
+
+ var textureId = 0;
+
+ function Texture( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {
+
+ Object.defineProperty( this, 'id', { value: textureId ++ } );
+
+ this.uuid = _Math.generateUUID();
+
+ this.name = '';
+
+ this.image = image !== undefined ? image : Texture.DEFAULT_IMAGE;
+ this.mipmaps = [];
+
+ this.mapping = mapping !== undefined ? mapping : Texture.DEFAULT_MAPPING;
+
+ this.wrapS = wrapS !== undefined ? wrapS : ClampToEdgeWrapping;
+ this.wrapT = wrapT !== undefined ? wrapT : ClampToEdgeWrapping;
+
+ this.magFilter = magFilter !== undefined ? magFilter : LinearFilter;
+ this.minFilter = minFilter !== undefined ? minFilter : LinearMipMapLinearFilter;
+
+ this.anisotropy = anisotropy !== undefined ? anisotropy : 1;
+
+ this.format = format !== undefined ? format : RGBAFormat;
+ this.type = type !== undefined ? type : UnsignedByteType;
+
+ this.offset = new Vector2( 0, 0 );
+ this.repeat = new Vector2( 1, 1 );
+ this.center = new Vector2( 0, 0 );
+ this.rotation = 0;
+
+ this.matrixAutoUpdate = true;
+ this.matrix = new Matrix3();
+
+ this.generateMipmaps = true;
+ this.premultiplyAlpha = false;
+ this.flipY = true;
+ this.unpackAlignment = 4; // valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)
+
+ // Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.
+ //
+ // Also changing the encoding after already used by a Material will not automatically make the Material
+ // update. You need to explicitly call Material.needsUpdate to trigger it to recompile.
+ this.encoding = encoding !== undefined ? encoding : LinearEncoding;
+
+ this.version = 0;
+ this.onUpdate = null;
+
+ }
+
+ Texture.DEFAULT_IMAGE = undefined;
+ Texture.DEFAULT_MAPPING = UVMapping;
+
+ Texture.prototype = Object.assign( Object.create( EventDispatcher.prototype ), {
+
+ constructor: Texture,
+
+ isTexture: true,
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ },
+
+ copy: function ( source ) {
+
+ this.name = source.name;
+
+ this.image = source.image;
+ this.mipmaps = source.mipmaps.slice( 0 );
+
+ this.mapping = source.mapping;
+
+ this.wrapS = source.wrapS;
+ this.wrapT = source.wrapT;
+
+ this.magFilter = source.magFilter;
+ this.minFilter = source.minFilter;
+
+ this.anisotropy = source.anisotropy;
+
+ this.format = source.format;
+ this.type = source.type;
+
+ this.offset.copy( source.offset );
+ this.repeat.copy( source.repeat );
+ this.center.copy( source.center );
+ this.rotation = source.rotation;
+
+ this.matrixAutoUpdate = source.matrixAutoUpdate;
+ this.matrix.copy( source.matrix );
+
+ this.generateMipmaps = source.generateMipmaps;
+ this.premultiplyAlpha = source.premultiplyAlpha;
+ this.flipY = source.flipY;
+ this.unpackAlignment = source.unpackAlignment;
+ this.encoding = source.encoding;
+
+ return this;
+
+ },
+
+ toJSON: function ( meta ) {
+
+ var isRootObject = ( meta === undefined || typeof meta === 'string' );
+
+ if ( ! isRootObject && meta.textures[ this.uuid ] !== undefined ) {
+
+ return meta.textures[ this.uuid ];
+
+ }
+
+ function getDataURL( image ) {
+
+ var canvas;
+
+ if ( image instanceof HTMLCanvasElement ) {
+
+ canvas = image;
+
+ } else {
+
+ canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );
+ canvas.width = image.width;
+ canvas.height = image.height;
+
+ var context = canvas.getContext( '2d' );
+
+ if ( image instanceof ImageData ) {
+
+ context.putImageData( image, 0, 0 );
+
+ } else {
+
+ context.drawImage( image, 0, 0, image.width, image.height );
+
+ }
+
+ }
+
+ if ( canvas.width > 2048 || canvas.height > 2048 ) {
+
+ return canvas.toDataURL( 'image/jpeg', 0.6 );
+
+ } else {
+
+ return canvas.toDataURL( 'image/png' );
+
+ }
+
+ }
+
+ var output = {
+ metadata: {
+ version: 4.5,
+ type: 'Texture',
+ generator: 'Texture.toJSON'
+ },
+
+ uuid: this.uuid,
+ name: this.name,
+
+ mapping: this.mapping,
+
+ repeat: [ this.repeat.x, this.repeat.y ],
+ offset: [ this.offset.x, this.offset.y ],
+ center: [ this.center.x, this.center.y ],
+ rotation: this.rotation,
+
+ wrap: [ this.wrapS, this.wrapT ],
+
+ minFilter: this.minFilter,
+ magFilter: this.magFilter,
+ anisotropy: this.anisotropy,
+
+ flipY: this.flipY
+ };
+
+ if ( this.image !== undefined ) {
+
+ // TODO: Move to THREE.Image
+
+ var image = this.image;
+
+ if ( image.uuid === undefined ) {
+
+ image.uuid = _Math.generateUUID(); // UGH
+
+ }
+
+ if ( ! isRootObject && meta.images[ image.uuid ] === undefined ) {
+
+ meta.images[ image.uuid ] = {
+ uuid: image.uuid,
+ url: getDataURL( image )
+ };
+
+ }
+
+ output.image = image.uuid;
+
+ }
+
+ if ( ! isRootObject ) {
+
+ meta.textures[ this.uuid ] = output;
+
+ }
+
+ return output;
+
+ },
+
+ dispose: function () {
+
+ this.dispatchEvent( { type: 'dispose' } );
+
+ },
+
+ transformUv: function ( uv ) {
+
+ if ( this.mapping !== UVMapping ) return;
+
+ uv.applyMatrix3( this.matrix );
+
+ if ( uv.x < 0 || uv.x > 1 ) {
+
+ switch ( this.wrapS ) {
+
+ case RepeatWrapping:
+
+ uv.x = uv.x - Math.floor( uv.x );
+ break;
+
+ case ClampToEdgeWrapping:
+
+ uv.x = uv.x < 0 ? 0 : 1;
+ break;
+
+ case MirroredRepeatWrapping:
+
+ if ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {
+
+ uv.x = Math.ceil( uv.x ) - uv.x;
+
+ } else {
+
+ uv.x = uv.x - Math.floor( uv.x );
+
+ }
+ break;
+
+ }
+
+ }
+
+ if ( uv.y < 0 || uv.y > 1 ) {
+
+ switch ( this.wrapT ) {
+
+ case RepeatWrapping:
+
+ uv.y = uv.y - Math.floor( uv.y );
+ break;
+
+ case ClampToEdgeWrapping:
+
+ uv.y = uv.y < 0 ? 0 : 1;
+ break;
+
+ case MirroredRepeatWrapping:
+
+ if ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {
+
+ uv.y = Math.ceil( uv.y ) - uv.y;
+
+ } else {
+
+ uv.y = uv.y - Math.floor( uv.y );
+
+ }
+ break;
+
+ }
+
+ }
+
+ if ( this.flipY ) {
+
+ uv.y = 1 - uv.y;
+
+ }
+
+ }
+
+ } );
+
+ Object.defineProperty( Texture.prototype, "needsUpdate", {
+
+ set: function ( value ) {
+
+ if ( value === true ) this.version ++;
+
+ }
+
+ } );
+
+ /**
+ * @author supereggbert / http://www.paulbrunt.co.uk/
+ * @author philogb / http://blog.thejit.org/
+ * @author mikael emtinger / http://gomo.se/
+ * @author egraether / http://egraether.com/
+ * @author WestLangley / http://github.com/WestLangley
+ */
+
+ function Vector4( x, y, z, w ) {
+
+ this.x = x || 0;
+ this.y = y || 0;
+ this.z = z || 0;
+ this.w = ( w !== undefined ) ? w : 1;
+
+ }
+
+ Object.assign( Vector4.prototype, {
+
+ isVector4: true,
+
+ set: function ( x, y, z, w ) {
+
+ this.x = x;
+ this.y = y;
+ this.z = z;
+ this.w = w;
+
+ return this;
+
+ },
+
+ setScalar: function ( scalar ) {
+
+ this.x = scalar;
+ this.y = scalar;
+ this.z = scalar;
+ this.w = scalar;
+
+ return this;
+
+ },
+
+ setX: function ( x ) {
+
+ this.x = x;
+
+ return this;
+
+ },
+
+ setY: function ( y ) {
+
+ this.y = y;
+
+ return this;
+
+ },
+
+ setZ: function ( z ) {
+
+ this.z = z;
+
+ return this;
+
+ },
+
+ setW: function ( w ) {
+
+ this.w = w;
+
+ return this;
+
+ },
+
+ setComponent: function ( index, value ) {
+
+ switch ( index ) {
+
+ case 0: this.x = value; break;
+ case 1: this.y = value; break;
+ case 2: this.z = value; break;
+ case 3: this.w = value; break;
+ default: throw new Error( 'index is out of range: ' + index );
+
+ }
+
+ return this;
+
+ },
+
+ getComponent: function ( index ) {
+
+ switch ( index ) {
+
+ case 0: return this.x;
+ case 1: return this.y;
+ case 2: return this.z;
+ case 3: return this.w;
+ default: throw new Error( 'index is out of range: ' + index );
+
+ }
+
+ },
+
+ clone: function () {
+
+ return new this.constructor( this.x, this.y, this.z, this.w );
+
+ },
+
+ copy: function ( v ) {
+
+ this.x = v.x;
+ this.y = v.y;
+ this.z = v.z;
+ this.w = ( v.w !== undefined ) ? v.w : 1;
+
+ return this;
+
+ },
+
+ add: function ( v, w ) {
+
+ if ( w !== undefined ) {
+
+ console.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );
+ return this.addVectors( v, w );
+
+ }
+
+ this.x += v.x;
+ this.y += v.y;
+ this.z += v.z;
+ this.w += v.w;
+
+ return this;
+
+ },
+
+ addScalar: function ( s ) {
+
+ this.x += s;
+ this.y += s;
+ this.z += s;
+ this.w += s;
+
+ return this;
+
+ },
+
+ addVectors: function ( a, b ) {
+
+ this.x = a.x + b.x;
+ this.y = a.y + b.y;
+ this.z = a.z + b.z;
+ this.w = a.w + b.w;
+
+ return this;
+
+ },
+
+ addScaledVector: function ( v, s ) {
+
+ this.x += v.x * s;
+ this.y += v.y * s;
+ this.z += v.z * s;
+ this.w += v.w * s;
+
+ return this;
+
+ },
+
+ sub: function ( v, w ) {
+
+ if ( w !== undefined ) {
+
+ console.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );
+ return this.subVectors( v, w );
+
+ }
+
+ this.x -= v.x;
+ this.y -= v.y;
+ this.z -= v.z;
+ this.w -= v.w;
+
+ return this;
+
+ },
+
+ subScalar: function ( s ) {
+
+ this.x -= s;
+ this.y -= s;
+ this.z -= s;
+ this.w -= s;
+
+ return this;
+
+ },
+
+ subVectors: function ( a, b ) {
+
+ this.x = a.x - b.x;
+ this.y = a.y - b.y;
+ this.z = a.z - b.z;
+ this.w = a.w - b.w;
+
+ return this;
+
+ },
+
+ multiplyScalar: function ( scalar ) {
+
+ this.x *= scalar;
+ this.y *= scalar;
+ this.z *= scalar;
+ this.w *= scalar;
+
+ return this;
+
+ },
+
+ applyMatrix4: function ( m ) {
+
+ var x = this.x, y = this.y, z = this.z, w = this.w;
+ var e = m.elements;
+
+ this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;
+ this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;
+ this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;
+ this.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;
+
+ return this;
+
+ },
+
+ divideScalar: function ( scalar ) {
+
+ return this.multiplyScalar( 1 / scalar );
+
+ },
+
+ setAxisAngleFromQuaternion: function ( q ) {
+
+ // http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm
+
+ // q is assumed to be normalized
+
+ this.w = 2 * Math.acos( q.w );
+
+ var s = Math.sqrt( 1 - q.w * q.w );
+
+ if ( s < 0.0001 ) {
+
+ this.x = 1;
+ this.y = 0;
+ this.z = 0;
+
+ } else {
+
+ this.x = q.x / s;
+ this.y = q.y / s;
+ this.z = q.z / s;
+
+ }
+
+ return this;
+
+ },
+
+ setAxisAngleFromRotationMatrix: function ( m ) {
+
+ // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm
+
+ // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)
+
+ var angle, x, y, z, // variables for result
+ epsilon = 0.01, // margin to allow for rounding errors
+ epsilon2 = 0.1, // margin to distinguish between 0 and 180 degrees
+
+ te = m.elements,
+
+ m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],
+ m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],
+ m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];
+
+ if ( ( Math.abs( m12 - m21 ) < epsilon ) &&
+ ( Math.abs( m13 - m31 ) < epsilon ) &&
+ ( Math.abs( m23 - m32 ) < epsilon ) ) {
+
+ // singularity found
+ // first check for identity matrix which must have +1 for all terms
+ // in leading diagonal and zero in other terms
+
+ if ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&
+ ( Math.abs( m13 + m31 ) < epsilon2 ) &&
+ ( Math.abs( m23 + m32 ) < epsilon2 ) &&
+ ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {
+
+ // this singularity is identity matrix so angle = 0
+
+ this.set( 1, 0, 0, 0 );
+
+ return this; // zero angle, arbitrary axis
+
+ }
+
+ // otherwise this singularity is angle = 180
+
+ angle = Math.PI;
+
+ var xx = ( m11 + 1 ) / 2;
+ var yy = ( m22 + 1 ) / 2;
+ var zz = ( m33 + 1 ) / 2;
+ var xy = ( m12 + m21 ) / 4;
+ var xz = ( m13 + m31 ) / 4;
+ var yz = ( m23 + m32 ) / 4;
+
+ if ( ( xx > yy ) && ( xx > zz ) ) {
+
+ // m11 is the largest diagonal term
+
+ if ( xx < epsilon ) {
+
+ x = 0;
+ y = 0.707106781;
+ z = 0.707106781;
+
+ } else {
+
+ x = Math.sqrt( xx );
+ y = xy / x;
+ z = xz / x;
+
+ }
+
+ } else if ( yy > zz ) {
+
+ // m22 is the largest diagonal term
+
+ if ( yy < epsilon ) {
+
+ x = 0.707106781;
+ y = 0;
+ z = 0.707106781;
+
+ } else {
+
+ y = Math.sqrt( yy );
+ x = xy / y;
+ z = yz / y;
+
+ }
+
+ } else {
+
+ // m33 is the largest diagonal term so base result on this
+
+ if ( zz < epsilon ) {
+
+ x = 0.707106781;
+ y = 0.707106781;
+ z = 0;
+
+ } else {
+
+ z = Math.sqrt( zz );
+ x = xz / z;
+ y = yz / z;
+
+ }
+
+ }
+
+ this.set( x, y, z, angle );
+
+ return this; // return 180 deg rotation
+
+ }
+
+ // as we have reached here there are no singularities so we can handle normally
+
+ var s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +
+ ( m13 - m31 ) * ( m13 - m31 ) +
+ ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize
+
+ if ( Math.abs( s ) < 0.001 ) s = 1;
+
+ // prevent divide by zero, should not happen if matrix is orthogonal and should be
+ // caught by singularity test above, but I've left it in just in case
+
+ this.x = ( m32 - m23 ) / s;
+ this.y = ( m13 - m31 ) / s;
+ this.z = ( m21 - m12 ) / s;
+ this.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );
+
+ return this;
+
+ },
+
+ min: function ( v ) {
+
+ this.x = Math.min( this.x, v.x );
+ this.y = Math.min( this.y, v.y );
+ this.z = Math.min( this.z, v.z );
+ this.w = Math.min( this.w, v.w );
+
+ return this;
+
+ },
+
+ max: function ( v ) {
+
+ this.x = Math.max( this.x, v.x );
+ this.y = Math.max( this.y, v.y );
+ this.z = Math.max( this.z, v.z );
+ this.w = Math.max( this.w, v.w );
+
+ return this;
+
+ },
+
+ clamp: function ( min, max ) {
+
+ // assumes min < max, componentwise
+
+ this.x = Math.max( min.x, Math.min( max.x, this.x ) );
+ this.y = Math.max( min.y, Math.min( max.y, this.y ) );
+ this.z = Math.max( min.z, Math.min( max.z, this.z ) );
+ this.w = Math.max( min.w, Math.min( max.w, this.w ) );
+
+ return this;
+
+ },
+
+ clampScalar: function () {
+
+ var min, max;
+
+ return function clampScalar( minVal, maxVal ) {
+
+ if ( min === undefined ) {
+
+ min = new Vector4();
+ max = new Vector4();
+
+ }
+
+ min.set( minVal, minVal, minVal, minVal );
+ max.set( maxVal, maxVal, maxVal, maxVal );
+
+ return this.clamp( min, max );
+
+ };
+
+ }(),
+
+ clampLength: function ( min, max ) {
+
+ var length = this.length();
+
+ return this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );
+
+ },
+
+ floor: function () {
+
+ this.x = Math.floor( this.x );
+ this.y = Math.floor( this.y );
+ this.z = Math.floor( this.z );
+ this.w = Math.floor( this.w );
+
+ return this;
+
+ },
+
+ ceil: function () {
+
+ this.x = Math.ceil( this.x );
+ this.y = Math.ceil( this.y );
+ this.z = Math.ceil( this.z );
+ this.w = Math.ceil( this.w );
+
+ return this;
+
+ },
+
+ round: function () {
+
+ this.x = Math.round( this.x );
+ this.y = Math.round( this.y );
+ this.z = Math.round( this.z );
+ this.w = Math.round( this.w );
+
+ return this;
+
+ },
+
+ roundToZero: function () {
+
+ this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );
+ this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );
+ this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );
+ this.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w );
+
+ return this;
+
+ },
+
+ negate: function () {
+
+ this.x = - this.x;
+ this.y = - this.y;
+ this.z = - this.z;
+ this.w = - this.w;
+
+ return this;
+
+ },
+
+ dot: function ( v ) {
+
+ return this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;
+
+ },
+
+ lengthSq: function () {
+
+ return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;
+
+ },
+
+ length: function () {
+
+ return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );
+
+ },
+
+ manhattanLength: function () {
+
+ return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );
+
+ },
+
+ normalize: function () {
+
+ return this.divideScalar( this.length() || 1 );
+
+ },
+
+ setLength: function ( length ) {
+
+ return this.normalize().multiplyScalar( length );
+
+ },
+
+ lerp: function ( v, alpha ) {
+
+ this.x += ( v.x - this.x ) * alpha;
+ this.y += ( v.y - this.y ) * alpha;
+ this.z += ( v.z - this.z ) * alpha;
+ this.w += ( v.w - this.w ) * alpha;
+
+ return this;
+
+ },
+
+ lerpVectors: function ( v1, v2, alpha ) {
+
+ return this.subVectors( v2, v1 ).multiplyScalar( alpha ).add( v1 );
+
+ },
+
+ equals: function ( v ) {
+
+ return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );
+
+ },
+
+ fromArray: function ( array, offset ) {
+
+ if ( offset === undefined ) offset = 0;
+
+ this.x = array[ offset ];
+ this.y = array[ offset + 1 ];
+ this.z = array[ offset + 2 ];
+ this.w = array[ offset + 3 ];
+
+ return this;
+
+ },
+
+ toArray: function ( array, offset ) {
+
+ if ( array === undefined ) array = [];
+ if ( offset === undefined ) offset = 0;
+
+ array[ offset ] = this.x;
+ array[ offset + 1 ] = this.y;
+ array[ offset + 2 ] = this.z;
+ array[ offset + 3 ] = this.w;
+
+ return array;
+
+ },
+
+ fromBufferAttribute: function ( attribute, index, offset ) {
+
+ if ( offset !== undefined ) {
+
+ console.warn( 'THREE.Vector4: offset has been removed from .fromBufferAttribute().' );
+
+ }
+
+ this.x = attribute.getX( index );
+ this.y = attribute.getY( index );
+ this.z = attribute.getZ( index );
+ this.w = attribute.getW( index );
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author szimek / https://github.com/szimek/
+ * @author alteredq / http://alteredqualia.com/
+ * @author Marius Kintel / https://github.com/kintel
+ */
+
+ /*
+ In options, we can specify:
+ * Texture parameters for an auto-generated target texture
+ * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers
+ */
+ function WebGLRenderTarget( width, height, options ) {
+
+ this.uuid = _Math.generateUUID();
+
+ this.width = width;
+ this.height = height;
+
+ this.scissor = new Vector4( 0, 0, width, height );
+ this.scissorTest = false;
+
+ this.viewport = new Vector4( 0, 0, width, height );
+
+ options = options || {};
+
+ if ( options.minFilter === undefined ) options.minFilter = LinearFilter;
+
+ this.texture = new Texture( undefined, undefined, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );
+
+ this.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;
+ this.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true;
+ this.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null;
+
+ }
+
+ WebGLRenderTarget.prototype = Object.assign( Object.create( EventDispatcher.prototype ), {
+
+ constructor: WebGLRenderTarget,
+
+ isWebGLRenderTarget: true,
+
+ setSize: function ( width, height ) {
+
+ if ( this.width !== width || this.height !== height ) {
+
+ this.width = width;
+ this.height = height;
+
+ this.dispose();
+
+ }
+
+ this.viewport.set( 0, 0, width, height );
+ this.scissor.set( 0, 0, width, height );
+
+ },
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ },
+
+ copy: function ( source ) {
+
+ this.width = source.width;
+ this.height = source.height;
+
+ this.viewport.copy( source.viewport );
+
+ this.texture = source.texture.clone();
+
+ this.depthBuffer = source.depthBuffer;
+ this.stencilBuffer = source.stencilBuffer;
+ this.depthTexture = source.depthTexture;
+
+ return this;
+
+ },
+
+ dispose: function () {
+
+ this.dispatchEvent( { type: 'dispose' } );
+
+ }
+
+ } );
+
+ /**
+ * @author alteredq / http://alteredqualia.com
+ */
+
+ function WebGLRenderTargetCube( width, height, options ) {
+
+ WebGLRenderTarget.call( this, width, height, options );
+
+ this.activeCubeFace = 0; // PX 0, NX 1, PY 2, NY 3, PZ 4, NZ 5
+ this.activeMipMapLevel = 0;
+
+ }
+
+ WebGLRenderTargetCube.prototype = Object.create( WebGLRenderTarget.prototype );
+ WebGLRenderTargetCube.prototype.constructor = WebGLRenderTargetCube;
+
+ WebGLRenderTargetCube.prototype.isWebGLRenderTargetCube = true;
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function DataTexture( data, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {
+
+ Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );
+
+ this.image = { data: data, width: width, height: height };
+
+ this.magFilter = magFilter !== undefined ? magFilter : NearestFilter;
+ this.minFilter = minFilter !== undefined ? minFilter : NearestFilter;
+
+ this.generateMipmaps = false;
+ this.flipY = false;
+ this.unpackAlignment = 1;
+
+ }
+
+ DataTexture.prototype = Object.create( Texture.prototype );
+ DataTexture.prototype.constructor = DataTexture;
+
+ DataTexture.prototype.isDataTexture = true;
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function CubeTexture( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {
+
+ images = images !== undefined ? images : [];
+ mapping = mapping !== undefined ? mapping : CubeReflectionMapping;
+
+ Texture.call( this, images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );
+
+ this.flipY = false;
+
+ }
+
+ CubeTexture.prototype = Object.create( Texture.prototype );
+ CubeTexture.prototype.constructor = CubeTexture;
+
+ CubeTexture.prototype.isCubeTexture = true;
+
+ Object.defineProperty( CubeTexture.prototype, 'images', {
+
+ get: function () {
+
+ return this.image;
+
+ },
+
+ set: function ( value ) {
+
+ this.image = value;
+
+ }
+
+ } );
+
+ /**
+ * @author tschw
+ *
+ * Uniforms of a program.
+ * Those form a tree structure with a special top-level container for the root,
+ * which you get by calling 'new WebGLUniforms( gl, program, renderer )'.
+ *
+ *
+ * Properties of inner nodes including the top-level container:
+ *
+ * .seq - array of nested uniforms
+ * .map - nested uniforms by name
+ *
+ *
+ * Methods of all nodes except the top-level container:
+ *
+ * .setValue( gl, value, [renderer] )
+ *
+ * uploads a uniform value(s)
+ * the 'renderer' parameter is needed for sampler uniforms
+ *
+ *
+ * Static methods of the top-level container (renderer factorizations):
+ *
+ * .upload( gl, seq, values, renderer )
+ *
+ * sets uniforms in 'seq' to 'values[id].value'
+ *
+ * .seqWithValue( seq, values ) : filteredSeq
+ *
+ * filters 'seq' entries with corresponding entry in values
+ *
+ *
+ * Methods of the top-level container (renderer factorizations):
+ *
+ * .setValue( gl, name, value )
+ *
+ * sets uniform with name 'name' to 'value'
+ *
+ * .set( gl, obj, prop )
+ *
+ * sets uniform from object and property with same name than uniform
+ *
+ * .setOptional( gl, obj, prop )
+ *
+ * like .set for an optional property of the object
+ *
+ */
+
+ var emptyTexture = new Texture();
+ var emptyCubeTexture = new CubeTexture();
+
+ // --- Base for inner nodes (including the root) ---
+
+ function UniformContainer() {
+
+ this.seq = [];
+ this.map = {};
+
+ }
+
+ // --- Utilities ---
+
+ // Array Caches (provide typed arrays for temporary by size)
+
+ var arrayCacheF32 = [];
+ var arrayCacheI32 = [];
+
+ // Float32Array caches used for uploading Matrix uniforms
+
+ var mat4array = new Float32Array( 16 );
+ var mat3array = new Float32Array( 9 );
+
+ // Flattening for arrays of vectors and matrices
+
+ function flatten( array, nBlocks, blockSize ) {
+
+ var firstElem = array[ 0 ];
+
+ if ( firstElem <= 0 || firstElem > 0 ) return array;
+ // unoptimized: ! isNaN( firstElem )
+ // see http://jacksondunstan.com/articles/983
+
+ var n = nBlocks * blockSize,
+ r = arrayCacheF32[ n ];
+
+ if ( r === undefined ) {
+
+ r = new Float32Array( n );
+ arrayCacheF32[ n ] = r;
+
+ }
+
+ if ( nBlocks !== 0 ) {
+
+ firstElem.toArray( r, 0 );
+
+ for ( var i = 1, offset = 0; i !== nBlocks; ++ i ) {
+
+ offset += blockSize;
+ array[ i ].toArray( r, offset );
+
+ }
+
+ }
+
+ return r;
+
+ }
+
+ // Texture unit allocation
+
+ function allocTexUnits( renderer, n ) {
+
+ var r = arrayCacheI32[ n ];
+
+ if ( r === undefined ) {
+
+ r = new Int32Array( n );
+ arrayCacheI32[ n ] = r;
+
+ }
+
+ for ( var i = 0; i !== n; ++ i )
+ r[ i ] = renderer.allocTextureUnit();
+
+ return r;
+
+ }
+
+ // --- Setters ---
+
+ // Note: Defining these methods externally, because they come in a bunch
+ // and this way their names minify.
+
+ // Single scalar
+
+ function setValue1f( gl, v ) {
+
+ gl.uniform1f( this.addr, v );
+
+ }
+
+ function setValue1i( gl, v ) {
+
+ gl.uniform1i( this.addr, v );
+
+ }
+
+ // Single float vector (from flat array or THREE.VectorN)
+
+ function setValue2fv( gl, v ) {
+
+ if ( v.x === undefined ) {
+
+ gl.uniform2fv( this.addr, v );
+
+ } else {
+
+ gl.uniform2f( this.addr, v.x, v.y );
+
+ }
+
+ }
+
+ function setValue3fv( gl, v ) {
+
+ if ( v.x !== undefined ) {
+
+ gl.uniform3f( this.addr, v.x, v.y, v.z );
+
+ } else if ( v.r !== undefined ) {
+
+ gl.uniform3f( this.addr, v.r, v.g, v.b );
+
+ } else {
+
+ gl.uniform3fv( this.addr, v );
+
+ }
+
+ }
+
+ function setValue4fv( gl, v ) {
+
+ if ( v.x === undefined ) {
+
+ gl.uniform4fv( this.addr, v );
+
+ } else {
+
+ gl.uniform4f( this.addr, v.x, v.y, v.z, v.w );
+
+ }
+
+ }
+
+ // Single matrix (from flat array or MatrixN)
+
+ function setValue2fm( gl, v ) {
+
+ gl.uniformMatrix2fv( this.addr, false, v.elements || v );
+
+ }
+
+ function setValue3fm( gl, v ) {
+
+ if ( v.elements === undefined ) {
+
+ gl.uniformMatrix3fv( this.addr, false, v );
+
+ } else {
+
+ mat3array.set( v.elements );
+ gl.uniformMatrix3fv( this.addr, false, mat3array );
+
+ }
+
+ }
+
+ function setValue4fm( gl, v ) {
+
+ if ( v.elements === undefined ) {
+
+ gl.uniformMatrix4fv( this.addr, false, v );
+
+ } else {
+
+ mat4array.set( v.elements );
+ gl.uniformMatrix4fv( this.addr, false, mat4array );
+
+ }
+
+ }
+
+ // Single texture (2D / Cube)
+
+ function setValueT1( gl, v, renderer ) {
+
+ var unit = renderer.allocTextureUnit();
+ gl.uniform1i( this.addr, unit );
+ renderer.setTexture2D( v || emptyTexture, unit );
+
+ }
+
+ function setValueT6( gl, v, renderer ) {
+
+ var unit = renderer.allocTextureUnit();
+ gl.uniform1i( this.addr, unit );
+ renderer.setTextureCube( v || emptyCubeTexture, unit );
+
+ }
+
+ // Integer / Boolean vectors or arrays thereof (always flat arrays)
+
+ function setValue2iv( gl, v ) {
+
+ gl.uniform2iv( this.addr, v );
+
+ }
+
+ function setValue3iv( gl, v ) {
+
+ gl.uniform3iv( this.addr, v );
+
+ }
+
+ function setValue4iv( gl, v ) {
+
+ gl.uniform4iv( this.addr, v );
+
+ }
+
+ // Helper to pick the right setter for the singular case
+
+ function getSingularSetter( type ) {
+
+ switch ( type ) {
+
+ case 0x1406: return setValue1f; // FLOAT
+ case 0x8b50: return setValue2fv; // _VEC2
+ case 0x8b51: return setValue3fv; // _VEC3
+ case 0x8b52: return setValue4fv; // _VEC4
+
+ case 0x8b5a: return setValue2fm; // _MAT2
+ case 0x8b5b: return setValue3fm; // _MAT3
+ case 0x8b5c: return setValue4fm; // _MAT4
+
+ case 0x8b5e: case 0x8d66: return setValueT1; // SAMPLER_2D, SAMPLER_EXTERNAL_OES
+ case 0x8b60: return setValueT6; // SAMPLER_CUBE
+
+ case 0x1404: case 0x8b56: return setValue1i; // INT, BOOL
+ case 0x8b53: case 0x8b57: return setValue2iv; // _VEC2
+ case 0x8b54: case 0x8b58: return setValue3iv; // _VEC3
+ case 0x8b55: case 0x8b59: return setValue4iv; // _VEC4
+
+ }
+
+ }
+
+ // Array of scalars
+
+ function setValue1fv( gl, v ) {
+
+ gl.uniform1fv( this.addr, v );
+
+ }
+ function setValue1iv( gl, v ) {
+
+ gl.uniform1iv( this.addr, v );
+
+ }
+
+ // Array of vectors (flat or from THREE classes)
+
+ function setValueV2a( gl, v ) {
+
+ gl.uniform2fv( this.addr, flatten( v, this.size, 2 ) );
+
+ }
+
+ function setValueV3a( gl, v ) {
+
+ gl.uniform3fv( this.addr, flatten( v, this.size, 3 ) );
+
+ }
+
+ function setValueV4a( gl, v ) {
+
+ gl.uniform4fv( this.addr, flatten( v, this.size, 4 ) );
+
+ }
+
+ // Array of matrices (flat or from THREE clases)
+
+ function setValueM2a( gl, v ) {
+
+ gl.uniformMatrix2fv( this.addr, false, flatten( v, this.size, 4 ) );
+
+ }
+
+ function setValueM3a( gl, v ) {
+
+ gl.uniformMatrix3fv( this.addr, false, flatten( v, this.size, 9 ) );
+
+ }
+
+ function setValueM4a( gl, v ) {
+
+ gl.uniformMatrix4fv( this.addr, false, flatten( v, this.size, 16 ) );
+
+ }
+
+ // Array of textures (2D / Cube)
+
+ function setValueT1a( gl, v, renderer ) {
+
+ var n = v.length,
+ units = allocTexUnits( renderer, n );
+
+ gl.uniform1iv( this.addr, units );
+
+ for ( var i = 0; i !== n; ++ i ) {
+
+ renderer.setTexture2D( v[ i ] || emptyTexture, units[ i ] );
+
+ }
+
+ }
+
+ function setValueT6a( gl, v, renderer ) {
+
+ var n = v.length,
+ units = allocTexUnits( renderer, n );
+
+ gl.uniform1iv( this.addr, units );
+
+ for ( var i = 0; i !== n; ++ i ) {
+
+ renderer.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );
+
+ }
+
+ }
+
+ // Helper to pick the right setter for a pure (bottom-level) array
+
+ function getPureArraySetter( type ) {
+
+ switch ( type ) {
+
+ case 0x1406: return setValue1fv; // FLOAT
+ case 0x8b50: return setValueV2a; // _VEC2
+ case 0x8b51: return setValueV3a; // _VEC3
+ case 0x8b52: return setValueV4a; // _VEC4
+
+ case 0x8b5a: return setValueM2a; // _MAT2
+ case 0x8b5b: return setValueM3a; // _MAT3
+ case 0x8b5c: return setValueM4a; // _MAT4
+
+ case 0x8b5e: return setValueT1a; // SAMPLER_2D
+ case 0x8b60: return setValueT6a; // SAMPLER_CUBE
+
+ case 0x1404: case 0x8b56: return setValue1iv; // INT, BOOL
+ case 0x8b53: case 0x8b57: return setValue2iv; // _VEC2
+ case 0x8b54: case 0x8b58: return setValue3iv; // _VEC3
+ case 0x8b55: case 0x8b59: return setValue4iv; // _VEC4
+
+ }
+
+ }
+
+ // --- Uniform Classes ---
+
+ function SingleUniform( id, activeInfo, addr ) {
+
+ this.id = id;
+ this.addr = addr;
+ this.setValue = getSingularSetter( activeInfo.type );
+
+ // this.path = activeInfo.name; // DEBUG
+
+ }
+
+ function PureArrayUniform( id, activeInfo, addr ) {
+
+ this.id = id;
+ this.addr = addr;
+ this.size = activeInfo.size;
+ this.setValue = getPureArraySetter( activeInfo.type );
+
+ // this.path = activeInfo.name; // DEBUG
+
+ }
+
+ function StructuredUniform( id ) {
+
+ this.id = id;
+
+ UniformContainer.call( this ); // mix-in
+
+ }
+
+ StructuredUniform.prototype.setValue = function ( gl, value ) {
+
+ // Note: Don't need an extra 'renderer' parameter, since samplers
+ // are not allowed in structured uniforms.
+
+ var seq = this.seq;
+
+ for ( var i = 0, n = seq.length; i !== n; ++ i ) {
+
+ var u = seq[ i ];
+ u.setValue( gl, value[ u.id ] );
+
+ }
+
+ };
+
+ // --- Top-level ---
+
+ // Parser - builds up the property tree from the path strings
+
+ var RePathPart = /([\w\d_]+)(\])?(\[|\.)?/g;
+
+ // extracts
+ // - the identifier (member name or array index)
+ // - followed by an optional right bracket (found when array index)
+ // - followed by an optional left bracket or dot (type of subscript)
+ //
+ // Note: These portions can be read in a non-overlapping fashion and
+ // allow straightforward parsing of the hierarchy that WebGL encodes
+ // in the uniform names.
+
+ function addUniform( container, uniformObject ) {
+
+ container.seq.push( uniformObject );
+ container.map[ uniformObject.id ] = uniformObject;
+
+ }
+
+ function parseUniform( activeInfo, addr, container ) {
+
+ var path = activeInfo.name,
+ pathLength = path.length;
+
+ // reset RegExp object, because of the early exit of a previous run
+ RePathPart.lastIndex = 0;
+
+ for ( ; ; ) {
+
+ var match = RePathPart.exec( path ),
+ matchEnd = RePathPart.lastIndex,
+
+ id = match[ 1 ],
+ idIsIndex = match[ 2 ] === ']',
+ subscript = match[ 3 ];
+
+ if ( idIsIndex ) id = id | 0; // convert to integer
+
+ if ( subscript === undefined || subscript === '[' && matchEnd + 2 === pathLength ) {
+
+ // bare name or "pure" bottom-level array "[0]" suffix
+
+ addUniform( container, subscript === undefined ?
+ new SingleUniform( id, activeInfo, addr ) :
+ new PureArrayUniform( id, activeInfo, addr ) );
+
+ break;
+
+ } else {
+
+ // step into inner node / create it in case it doesn't exist
+
+ var map = container.map, next = map[ id ];
+
+ if ( next === undefined ) {
+
+ next = new StructuredUniform( id );
+ addUniform( container, next );
+
+ }
+
+ container = next;
+
+ }
+
+ }
+
+ }
+
+ // Root Container
+
+ function WebGLUniforms( gl, program, renderer ) {
+
+ UniformContainer.call( this );
+
+ this.renderer = renderer;
+
+ var n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS );
+
+ for ( var i = 0; i < n; ++ i ) {
+
+ var info = gl.getActiveUniform( program, i ),
+ path = info.name,
+ addr = gl.getUniformLocation( program, path );
+
+ parseUniform( info, addr, this );
+
+ }
+
+ }
+
+ WebGLUniforms.prototype.setValue = function ( gl, name, value ) {
+
+ var u = this.map[ name ];
+
+ if ( u !== undefined ) u.setValue( gl, value, this.renderer );
+
+ };
+
+ WebGLUniforms.prototype.setOptional = function ( gl, object, name ) {
+
+ var v = object[ name ];
+
+ if ( v !== undefined ) this.setValue( gl, name, v );
+
+ };
+
+
+ // Static interface
+
+ WebGLUniforms.upload = function ( gl, seq, values, renderer ) {
+
+ for ( var i = 0, n = seq.length; i !== n; ++ i ) {
+
+ var u = seq[ i ],
+ v = values[ u.id ];
+
+ if ( v.needsUpdate !== false ) {
+
+ // note: always updating when .needsUpdate is undefined
+ u.setValue( gl, v.value, renderer );
+
+ }
+
+ }
+
+ };
+
+ WebGLUniforms.seqWithValue = function ( seq, values ) {
+
+ var r = [];
+
+ for ( var i = 0, n = seq.length; i !== n; ++ i ) {
+
+ var u = seq[ i ];
+ if ( u.id in values ) r.push( u );
+
+ }
+
+ return r;
+
+ };
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ var ColorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,
+ 'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,
+ 'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,
+ 'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,
+ 'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,
+ 'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,
+ 'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,
+ 'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,
+ 'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,
+ 'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,
+ 'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,
+ 'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,
+ 'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,
+ 'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,
+ 'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,
+ 'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,
+ 'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,
+ 'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,
+ 'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,
+ 'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'rebeccapurple': 0x663399, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,
+ 'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,
+ 'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,
+ 'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,
+ 'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };
+
+ function Color( r, g, b ) {
+
+ if ( g === undefined && b === undefined ) {
+
+ // r is THREE.Color, hex or string
+ return this.set( r );
+
+ }
+
+ return this.setRGB( r, g, b );
+
+ }
+
+ Object.assign( Color.prototype, {
+
+ isColor: true,
+
+ r: 1, g: 1, b: 1,
+
+ set: function ( value ) {
+
+ if ( value && value.isColor ) {
+
+ this.copy( value );
+
+ } else if ( typeof value === 'number' ) {
+
+ this.setHex( value );
+
+ } else if ( typeof value === 'string' ) {
+
+ this.setStyle( value );
+
+ }
+
+ return this;
+
+ },
+
+ setScalar: function ( scalar ) {
+
+ this.r = scalar;
+ this.g = scalar;
+ this.b = scalar;
+
+ return this;
+
+ },
+
+ setHex: function ( hex ) {
+
+ hex = Math.floor( hex );
+
+ this.r = ( hex >> 16 & 255 ) / 255;
+ this.g = ( hex >> 8 & 255 ) / 255;
+ this.b = ( hex & 255 ) / 255;
+
+ return this;
+
+ },
+
+ setRGB: function ( r, g, b ) {
+
+ this.r = r;
+ this.g = g;
+ this.b = b;
+
+ return this;
+
+ },
+
+ setHSL: function () {
+
+ function hue2rgb( p, q, t ) {
+
+ if ( t < 0 ) t += 1;
+ if ( t > 1 ) t -= 1;
+ if ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;
+ if ( t < 1 / 2 ) return q;
+ if ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );
+ return p;
+
+ }
+
+ return function setHSL( h, s, l ) {
+
+ // h,s,l ranges are in 0.0 - 1.0
+ h = _Math.euclideanModulo( h, 1 );
+ s = _Math.clamp( s, 0, 1 );
+ l = _Math.clamp( l, 0, 1 );
+
+ if ( s === 0 ) {
+
+ this.r = this.g = this.b = l;
+
+ } else {
+
+ var p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );
+ var q = ( 2 * l ) - p;
+
+ this.r = hue2rgb( q, p, h + 1 / 3 );
+ this.g = hue2rgb( q, p, h );
+ this.b = hue2rgb( q, p, h - 1 / 3 );
+
+ }
+
+ return this;
+
+ };
+
+ }(),
+
+ setStyle: function ( style ) {
+
+ function handleAlpha( string ) {
+
+ if ( string === undefined ) return;
+
+ if ( parseFloat( string ) < 1 ) {
+
+ console.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );
+
+ }
+
+ }
+
+
+ var m;
+
+ if ( m = /^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec( style ) ) {
+
+ // rgb / hsl
+
+ var color;
+ var name = m[ 1 ];
+ var components = m[ 2 ];
+
+ switch ( name ) {
+
+ case 'rgb':
+ case 'rgba':
+
+ if ( color = /^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) {
+
+ // rgb(255,0,0) rgba(255,0,0,0.5)
+ this.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;
+ this.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;
+ this.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;
+
+ handleAlpha( color[ 5 ] );
+
+ return this;
+
+ }
+
+ if ( color = /^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) {
+
+ // rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)
+ this.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;
+ this.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;
+ this.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;
+
+ handleAlpha( color[ 5 ] );
+
+ return this;
+
+ }
+
+ break;
+
+ case 'hsl':
+ case 'hsla':
+
+ if ( color = /^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec( components ) ) {
+
+ // hsl(120,50%,50%) hsla(120,50%,50%,0.5)
+ var h = parseFloat( color[ 1 ] ) / 360;
+ var s = parseInt( color[ 2 ], 10 ) / 100;
+ var l = parseInt( color[ 3 ], 10 ) / 100;
+
+ handleAlpha( color[ 5 ] );
+
+ return this.setHSL( h, s, l );
+
+ }
+
+ break;
+
+ }
+
+ } else if ( m = /^\#([A-Fa-f0-9]+)$/.exec( style ) ) {
+
+ // hex color
+
+ var hex = m[ 1 ];
+ var size = hex.length;
+
+ if ( size === 3 ) {
+
+ // #ff0
+ this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255;
+ this.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255;
+ this.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255;
+
+ return this;
+
+ } else if ( size === 6 ) {
+
+ // #ff0000
+ this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255;
+ this.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255;
+ this.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255;
+
+ return this;
+
+ }
+
+ }
+
+ if ( style && style.length > 0 ) {
+
+ // color keywords
+ var hex = ColorKeywords[ style ];
+
+ if ( hex !== undefined ) {
+
+ // red
+ this.setHex( hex );
+
+ } else {
+
+ // unknown color
+ console.warn( 'THREE.Color: Unknown color ' + style );
+
+ }
+
+ }
+
+ return this;
+
+ },
+
+ clone: function () {
+
+ return new this.constructor( this.r, this.g, this.b );
+
+ },
+
+ copy: function ( color ) {
+
+ this.r = color.r;
+ this.g = color.g;
+ this.b = color.b;
+
+ return this;
+
+ },
+
+ copyGammaToLinear: function ( color, gammaFactor ) {
+
+ if ( gammaFactor === undefined ) gammaFactor = 2.0;
+
+ this.r = Math.pow( color.r, gammaFactor );
+ this.g = Math.pow( color.g, gammaFactor );
+ this.b = Math.pow( color.b, gammaFactor );
+
+ return this;
+
+ },
+
+ copyLinearToGamma: function ( color, gammaFactor ) {
+
+ if ( gammaFactor === undefined ) gammaFactor = 2.0;
+
+ var safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0;
+
+ this.r = Math.pow( color.r, safeInverse );
+ this.g = Math.pow( color.g, safeInverse );
+ this.b = Math.pow( color.b, safeInverse );
+
+ return this;
+
+ },
+
+ convertGammaToLinear: function () {
+
+ var r = this.r, g = this.g, b = this.b;
+
+ this.r = r * r;
+ this.g = g * g;
+ this.b = b * b;
+
+ return this;
+
+ },
+
+ convertLinearToGamma: function () {
+
+ this.r = Math.sqrt( this.r );
+ this.g = Math.sqrt( this.g );
+ this.b = Math.sqrt( this.b );
+
+ return this;
+
+ },
+
+ getHex: function () {
+
+ return ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0;
+
+ },
+
+ getHexString: function () {
+
+ return ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 );
+
+ },
+
+ getHSL: function ( optionalTarget ) {
+
+ // h,s,l ranges are in 0.0 - 1.0
+
+ var hsl = optionalTarget || { h: 0, s: 0, l: 0 };
+
+ var r = this.r, g = this.g, b = this.b;
+
+ var max = Math.max( r, g, b );
+ var min = Math.min( r, g, b );
+
+ var hue, saturation;
+ var lightness = ( min + max ) / 2.0;
+
+ if ( min === max ) {
+
+ hue = 0;
+ saturation = 0;
+
+ } else {
+
+ var delta = max - min;
+
+ saturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );
+
+ switch ( max ) {
+
+ case r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;
+ case g: hue = ( b - r ) / delta + 2; break;
+ case b: hue = ( r - g ) / delta + 4; break;
+
+ }
+
+ hue /= 6;
+
+ }
+
+ hsl.h = hue;
+ hsl.s = saturation;
+ hsl.l = lightness;
+
+ return hsl;
+
+ },
+
+ getStyle: function () {
+
+ return 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')';
+
+ },
+
+ offsetHSL: function ( h, s, l ) {
+
+ var hsl = this.getHSL();
+
+ hsl.h += h; hsl.s += s; hsl.l += l;
+
+ this.setHSL( hsl.h, hsl.s, hsl.l );
+
+ return this;
+
+ },
+
+ add: function ( color ) {
+
+ this.r += color.r;
+ this.g += color.g;
+ this.b += color.b;
+
+ return this;
+
+ },
+
+ addColors: function ( color1, color2 ) {
+
+ this.r = color1.r + color2.r;
+ this.g = color1.g + color2.g;
+ this.b = color1.b + color2.b;
+
+ return this;
+
+ },
+
+ addScalar: function ( s ) {
+
+ this.r += s;
+ this.g += s;
+ this.b += s;
+
+ return this;
+
+ },
+
+ sub: function ( color ) {
+
+ this.r = Math.max( 0, this.r - color.r );
+ this.g = Math.max( 0, this.g - color.g );
+ this.b = Math.max( 0, this.b - color.b );
+
+ return this;
+
+ },
+
+ multiply: function ( color ) {
+
+ this.r *= color.r;
+ this.g *= color.g;
+ this.b *= color.b;
+
+ return this;
+
+ },
+
+ multiplyScalar: function ( s ) {
+
+ this.r *= s;
+ this.g *= s;
+ this.b *= s;
+
+ return this;
+
+ },
+
+ lerp: function ( color, alpha ) {
+
+ this.r += ( color.r - this.r ) * alpha;
+ this.g += ( color.g - this.g ) * alpha;
+ this.b += ( color.b - this.b ) * alpha;
+
+ return this;
+
+ },
+
+ equals: function ( c ) {
+
+ return ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );
+
+ },
+
+ fromArray: function ( array, offset ) {
+
+ if ( offset === undefined ) offset = 0;
+
+ this.r = array[ offset ];
+ this.g = array[ offset + 1 ];
+ this.b = array[ offset + 2 ];
+
+ return this;
+
+ },
+
+ toArray: function ( array, offset ) {
+
+ if ( array === undefined ) array = [];
+ if ( offset === undefined ) offset = 0;
+
+ array[ offset ] = this.r;
+ array[ offset + 1 ] = this.g;
+ array[ offset + 2 ] = this.b;
+
+ return array;
+
+ },
+
+ toJSON: function () {
+
+ return this.getHex();
+
+ }
+
+ } );
+
+ /**
+ * Uniforms library for shared webgl shaders
+ */
+
+ var UniformsLib = {
+
+ common: {
+
+ diffuse: { value: new Color( 0xeeeeee ) },
+ opacity: { value: 1.0 },
+
+ map: { value: null },
+ uvTransform: { value: new Matrix3() },
+
+ alphaMap: { value: null },
+
+ },
+
+ specularmap: {
+
+ specularMap: { value: null },
+
+ },
+
+ envmap: {
+
+ envMap: { value: null },
+ flipEnvMap: { value: - 1 },
+ reflectivity: { value: 1.0 },
+ refractionRatio: { value: 0.98 }
+
+ },
+
+ aomap: {
+
+ aoMap: { value: null },
+ aoMapIntensity: { value: 1 }
+
+ },
+
+ lightmap: {
+
+ lightMap: { value: null },
+ lightMapIntensity: { value: 1 }
+
+ },
+
+ emissivemap: {
+
+ emissiveMap: { value: null }
+
+ },
+
+ bumpmap: {
+
+ bumpMap: { value: null },
+ bumpScale: { value: 1 }
+
+ },
+
+ normalmap: {
+
+ normalMap: { value: null },
+ normalScale: { value: new Vector2( 1, 1 ) }
+
+ },
+
+ displacementmap: {
+
+ displacementMap: { value: null },
+ displacementScale: { value: 1 },
+ displacementBias: { value: 0 }
+
+ },
+
+ roughnessmap: {
+
+ roughnessMap: { value: null }
+
+ },
+
+ metalnessmap: {
+
+ metalnessMap: { value: null }
+
+ },
+
+ gradientmap: {
+
+ gradientMap: { value: null }
+
+ },
+
+ fog: {
+
+ fogDensity: { value: 0.00025 },
+ fogNear: { value: 1 },
+ fogFar: { value: 2000 },
+ fogColor: { value: new Color( 0xffffff ) }
+
+ },
+
+ lights: {
+
+ ambientLightColor: { value: [] },
+
+ directionalLights: { value: [], properties: {
+ direction: {},
+ color: {},
+
+ shadow: {},
+ shadowBias: {},
+ shadowRadius: {},
+ shadowMapSize: {}
+ } },
+
+ directionalShadowMap: { value: [] },
+ directionalShadowMatrix: { value: [] },
+
+ spotLights: { value: [], properties: {
+ color: {},
+ position: {},
+ direction: {},
+ distance: {},
+ coneCos: {},
+ penumbraCos: {},
+ decay: {},
+
+ shadow: {},
+ shadowBias: {},
+ shadowRadius: {},
+ shadowMapSize: {}
+ } },
+
+ spotShadowMap: { value: [] },
+ spotShadowMatrix: { value: [] },
+
+ pointLights: { value: [], properties: {
+ color: {},
+ position: {},
+ decay: {},
+ distance: {},
+
+ shadow: {},
+ shadowBias: {},
+ shadowRadius: {},
+ shadowMapSize: {},
+ shadowCameraNear: {},
+ shadowCameraFar: {}
+ } },
+
+ pointShadowMap: { value: [] },
+ pointShadowMatrix: { value: [] },
+
+ hemisphereLights: { value: [], properties: {
+ direction: {},
+ skyColor: {},
+ groundColor: {}
+ } },
+
+ // TODO (abelnation): RectAreaLight BRDF data needs to be moved from example to main src
+ rectAreaLights: { value: [], properties: {
+ color: {},
+ position: {},
+ width: {},
+ height: {}
+ } }
+
+ },
+
+ points: {
+
+ diffuse: { value: new Color( 0xeeeeee ) },
+ opacity: { value: 1.0 },
+ size: { value: 1.0 },
+ scale: { value: 1.0 },
+ map: { value: null },
+ uvTransform: { value: new Matrix3() }
+
+ }
+
+ };
+
+ /**
+ * Uniform Utilities
+ */
+
+ var UniformsUtils = {
+
+ merge: function ( uniforms ) {
+
+ var merged = {};
+
+ for ( var u = 0; u < uniforms.length; u ++ ) {
+
+ var tmp = this.clone( uniforms[ u ] );
+
+ for ( var p in tmp ) {
+
+ merged[ p ] = tmp[ p ];
+
+ }
+
+ }
+
+ return merged;
+
+ },
+
+ clone: function ( uniforms_src ) {
+
+ var uniforms_dst = {};
+
+ for ( var u in uniforms_src ) {
+
+ uniforms_dst[ u ] = {};
+
+ for ( var p in uniforms_src[ u ] ) {
+
+ var parameter_src = uniforms_src[ u ][ p ];
+
+ if ( parameter_src && ( parameter_src.isColor ||
+ parameter_src.isMatrix3 || parameter_src.isMatrix4 ||
+ parameter_src.isVector2 || parameter_src.isVector3 || parameter_src.isVector4 ||
+ parameter_src.isTexture ) ) {
+
+ uniforms_dst[ u ][ p ] = parameter_src.clone();
+
+ } else if ( Array.isArray( parameter_src ) ) {
+
+ uniforms_dst[ u ][ p ] = parameter_src.slice();
+
+ } else {
+
+ uniforms_dst[ u ][ p ] = parameter_src;
+
+ }
+
+ }
+
+ }
+
+ return uniforms_dst;
+
+ }
+
+ };
+
+ var alphamap_fragment = "#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif\n";
+
+ var alphamap_pars_fragment = "#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif\n";
+
+ var alphatest_fragment = "#ifdef ALPHATEST\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n#endif\n";
+
+ var aomap_fragment = "#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( PHYSICAL )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\t#endif\n#endif\n";
+
+ var aomap_pars_fragment = "#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif";
+
+ var begin_vertex = "\nvec3 transformed = vec3( position );\n";
+
+ var beginnormal_vertex = "\nvec3 objectNormal = vec3( normal );\n";
+
+ var bsdfs = "float punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\tif( decayExponent > 0.0 ) {\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\tfloat maxDistanceCutoffFactor = pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\treturn distanceFalloff * maxDistanceCutoffFactor;\n#else\n\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n#endif\n\t}\n\treturn 1.0;\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat theta = acos( dot( N, V ) );\n\tvec2 uv = vec2(\n\t\tsqrt( saturate( roughness ) ),\n\t\tsaturate( theta / ( 0.5 * PI ) ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.86267 + (0.49788 + 0.01436 * y ) * y;\n\tfloat b = 3.45068 + (4.18814 + y) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = (x > 0.0) ? v : 0.5 * inversesqrt( 1.0 - x * x ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tvec3 result = vec3( LTC_ClippedSphereFormFactor( vectorFormFactor ) );\n\treturn result;\n}\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\n\treturn specularColor * AB.x + AB.y;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n";
+
+ var bumpmap_pars_fragment = "#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 );\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif\n";
+
+ var clipping_planes_fragment = "#if NUM_CLIPPING_PLANES > 0\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {\n\t\tvec4 plane = clippingPlanes[ i ];\n\t\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t\t\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {\n\t\t\tvec4 plane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\tif ( clipped ) discard;\n\t\n\t#endif\n#endif\n";
+
+ var clipping_planes_pars_fragment = "#if NUM_CLIPPING_PLANES > 0\n\t#if ! defined( PHYSICAL ) && ! defined( PHONG )\n\t\tvarying vec3 vViewPosition;\n\t#endif\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif\n";
+
+ var clipping_planes_pars_vertex = "#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\n\tvarying vec3 vViewPosition;\n#endif\n";
+
+ var clipping_planes_vertex = "#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n";
+
+ var color_fragment = "#ifdef USE_COLOR\n\tdiffuseColor.rgb *= vColor;\n#endif";
+
+ var color_pars_fragment = "#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif\n";
+
+ var color_pars_vertex = "#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif";
+
+ var color_vertex = "#ifdef USE_COLOR\n\tvColor.xyz = color.xyz;\n#endif";
+
+ var common = "#define PI 3.14159265359\n#define PI2 6.28318530718\n#define PI_HALF 1.5707963267949\n#define RECIPROCAL_PI 0.31830988618\n#define RECIPROCAL_PI2 0.15915494\n#define LOG2 1.442695\n#define EPSILON 1e-6\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#define whiteCompliment(a) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\treturn - distance * planeNormal + point;\n}\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n}\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\treturn dot( weights, color.rgb );\n}\n";
+
+ var cube_uv_reflection_fragment = "#ifdef ENVMAP_TYPE_CUBE_UV\n#define cubeUV_textureSize (1024.0)\nint getFaceFromDirection(vec3 direction) {\n\tvec3 absDirection = abs(direction);\n\tint face = -1;\n\tif( absDirection.x > absDirection.z ) {\n\t\tif(absDirection.x > absDirection.y )\n\t\t\tface = direction.x > 0.0 ? 0 : 3;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\telse {\n\t\tif(absDirection.z > absDirection.y )\n\t\t\tface = direction.z > 0.0 ? 2 : 5;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\treturn face;\n}\n#define cubeUV_maxLods1 (log2(cubeUV_textureSize*0.25) - 1.0)\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\n\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\n\tfloat dxRoughness = dFdx(roughness);\n\tfloat dyRoughness = dFdy(roughness);\n\tvec3 dx = dFdx( vec * scale * dxRoughness );\n\tvec3 dy = dFdy( vec * scale * dyRoughness );\n\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\n\td = clamp(d, 1.0, cubeUV_rangeClamp);\n\tfloat mipLevel = 0.5 * log2(d);\n\treturn vec2(floor(mipLevel), fract(mipLevel));\n}\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\n\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\n\tfloat a = 16.0 * cubeUV_rcpTextureSize;\n\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\n\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\n\tfloat powScale = exp2_packed.x * exp2_packed.y;\n\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\n\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\n\tbool bRes = mipLevel == 0.0;\n\tscale = bRes && (scale < a) ? a : scale;\n\tvec3 r;\n\tvec2 offset;\n\tint face = getFaceFromDirection(direction);\n\tfloat rcpPowScale = 1.0 / powScale;\n\tif( face == 0) {\n\t\tr = vec3(direction.x, -direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 1) {\n\t\tr = vec3(direction.y, direction.x, direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 2) {\n\t\tr = vec3(direction.z, direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 3) {\n\t\tr = vec3(direction.x, direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse if( face == 4) {\n\t\tr = vec3(direction.y, direction.x, -direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse {\n\t\tr = vec3(direction.z, -direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\tr = normalize(r);\n\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\n\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\n\tvec2 base = offset + vec2( texelOffset );\n\treturn base + s * ( scale - 2.0 * texelOffset );\n}\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\nvec4 textureCubeUV(vec3 reflectedDirection, float roughness ) {\n\tfloat roughnessVal = roughness* cubeUV_maxLods3;\n\tfloat r1 = floor(roughnessVal);\n\tfloat r2 = r1 + 1.0;\n\tfloat t = fract(roughnessVal);\n\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\n\tfloat s = mipInfo.y;\n\tfloat level0 = mipInfo.x;\n\tfloat level1 = level0 + 1.0;\n\tlevel1 = level1 > 5.0 ? 5.0 : level1;\n\tlevel0 += min( floor( s + 0.5 ), 5.0 );\n\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\n\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\n\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\n\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\n\tvec4 result = mix(color10, color20, t);\n\treturn vec4(result.rgb, 1.0);\n}\n#endif\n";
+
+ var defaultnormal_vertex = "vec3 transformedNormal = normalMatrix * objectNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n";
+
+ var displacementmap_pars_vertex = "#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif\n";
+
+ var displacementmap_vertex = "#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\n#endif\n";
+
+ var emissivemap_fragment = "#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif\n";
+
+ var emissivemap_pars_fragment = "#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif\n";
+
+ var encodings_fragment = " gl_FragColor = linearToOutputTexel( gl_FragColor );\n";
+
+ var encodings_pars_fragment = "\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.w );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n\tfloat maxComponent = max( max( value.r, value.g ), value.b );\n\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.xyz * value.w * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.x, max( value.g, value.b ) );\n\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n\tM = ceil( M * 255.0 ) / 255.0;\n\treturn vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.x, max( value.g, value.b ) );\n\tfloat D = max( maxRange / maxRGB, 1.0 );\n\tD = min( floor( D ) / 255.0, 1.0 );\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n\tvec3 Xp_Y_XYZp = value.rgb * cLogLuvM;\n\tXp_Y_XYZp = max(Xp_Y_XYZp, vec3(1e-6, 1e-6, 1e-6));\n\tvec4 vResult;\n\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n\tvResult.w = fract(Le);\n\tvResult.z = (Le - (floor(vResult.w*255.0))/255.0)/255.0;\n\treturn vResult;\n}\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n\tfloat Le = value.z * 255.0 + value.w;\n\tvec3 Xp_Y_XYZp;\n\tXp_Y_XYZp.y = exp2((Le - 127.0) / 2.0);\n\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n\tvec3 vRGB = Xp_Y_XYZp.rgb * cLogLuvInverseM;\n\treturn vec4( max(vRGB, 0.0), 1.0 );\n}\n";
+
+ var envmap_fragment = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\tvec2 sampleUV;\n\t\treflectVec = normalize( reflectVec );\n\t\tsampleUV.y = asin( clamp( reflectVec.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\t\tsampleUV.x = atan( reflectVec.z, reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\tvec4 envColor = texture2D( envMap, sampleUV );\n\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\treflectVec = normalize( reflectVec );\n\t\tvec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\n\t\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\tenvColor = envMapTexelToLinear( envColor );\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif\n";
+
+ var envmap_pars_fragment = "#if defined( USE_ENVMAP ) || defined( PHYSICAL )\n\tuniform float reflectivity;\n\tuniform float envMapIntensity;\n#endif\n#ifdef USE_ENVMAP\n\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\n\t\tvarying vec3 vWorldPosition;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\tuniform float flipEnvMap;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif\n";
+
+ var envmap_pars_vertex = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif\n";
+
+ var envmap_vertex = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif\n";
+
+ var fog_vertex = "\n#ifdef USE_FOG\nfogDepth = -mvPosition.z;\n#endif";
+
+ var fog_pars_vertex = "#ifdef USE_FOG\n varying float fogDepth;\n#endif\n";
+
+ var fog_fragment = "#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * fogDepth * fogDepth * LOG2 ) );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, fogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif\n";
+
+ var fog_pars_fragment = "#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float fogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif\n";
+
+ var gradientmap_pars_fragment = "#ifdef TOON\n\tuniform sampler2D gradientMap;\n\tvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\t\tfloat dotNL = dot( normal, lightDirection );\n\t\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t\t#ifdef USE_GRADIENTMAP\n\t\t\treturn texture2D( gradientMap, coord ).rgb;\n\t\t#else\n\t\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t\t#endif\n\t}\n#endif\n";
+
+ var lightmap_fragment = "#ifdef USE_LIGHTMAP\n\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n#endif\n";
+
+ var lightmap_pars_fragment = "#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif";
+
+ var lights_lambert_vertex = "vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\n#if NUM_POINT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n#endif\n";
+
+ var lights_pars = "uniform vec3 ambientLightColor;\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treturn irradiance;\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t\tfloat shadowCameraNear;\n\t\tfloat shadowCameraFar;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tdirectLight.color = pointLight.color;\n\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\tdirectLight.visible = ( directLight.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\t\tif ( angleCos > spotLight.coneCos ) {\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltcMat;\tuniform sampler2D ltcMag;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tirradiance *= PI;\n\t\t#endif\n\t\treturn irradiance;\n\t}\n#endif\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\tvec4 envMapColor = textureCubeUV( queryVec, 1.0 );\n\t\t#else\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\t\t#endif\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar + 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\n\t\t#endif\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\tvec4 envMapColor = textureCubeUV(queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent));\n\t\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\t\tvec2 sampleUV;\n\t\t\tsampleUV.y = asin( clamp( reflectVec.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\t\t\tsampleUV.x = atan( reflectVec.z, reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\t\tvec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#endif\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif\n";
+
+ var lights_phong_fragment = "BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;\n";
+
+ var lights_phong_pars_fragment = "varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct BlinnPhongMaterial {\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\t#ifdef TOON\n\t\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\t#else\n\t\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\tvec3 irradiance = dotNL * directLight.color;\n\t#endif\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)\n";
+
+ var lights_physical_fragment = "PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\n#ifdef STANDARD\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.clearCoat = saturate( clearCoat );\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\n#endif\n";
+
+ var lights_physical_pars_fragment = "struct PhysicalMaterial {\n\tvec3\tdiffuseColor;\n\tfloat\tspecularRoughness;\n\tvec3\tspecularColor;\n\t#ifndef STANDARD\n\t\tfloat clearCoat;\n\t\tfloat clearCoatRoughness;\n\t#endif\n};\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\nfloat clearCoatDHRApprox( const in float roughness, const in float dotNL ) {\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.specularRoughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos - halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos + halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos + halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos - halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tfloat norm = texture2D( ltcMag, uv ).a;\n\t\tvec4 t = texture2D( ltcMat, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( 1, 0, t.y ),\n\t\t\tvec3( 0, t.z, 0 ),\n\t\t\tvec3( t.w, 0, t.x )\n\t\t);\n\t\treflectedLight.directSpecular += lightColor * material.specularColor * norm * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\t#ifndef STANDARD\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\n\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\t#ifndef STANDARD\n\t\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\t#endif\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t#ifndef STANDARD\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\tfloat dotNL = dotNV;\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\treflectedLight.indirectSpecular += ( 1.0 - clearCoatDHR ) * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\n\t#ifndef STANDARD\n\t\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\t#endif\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\n#define Material_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.specularRoughness )\n#define Material_ClearCoat_BlinnShininessExponent( material ) GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}\n";
+
+ var lights_template = "\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = normalize( vViewPosition );\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#ifdef USE_LIGHTMAP\n\t\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tlightMapIrradiance *= PI;\n\t\t#endif\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t}\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tirradiance += getLightProbeIndirectIrradiance( geometry, 8 );\n\t#endif\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tvec3 radiance = getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), 8 );\n\t#ifndef STANDARD\n\t\tvec3 clearCoatRadiance = getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), 8 );\n\t#else\n\t\tvec3 clearCoatRadiance = vec3( 0.0 );\n\t#endif\n\tRE_IndirectSpecular( radiance, clearCoatRadiance, geometry, material, reflectedLight );\n#endif\n";
+
+ var logdepthbuf_fragment = "#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif";
+
+ var logdepthbuf_pars_fragment = "#ifdef USE_LOGDEPTHBUF\n\tuniform float logDepthBufFC;\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#endif\n#endif\n";
+
+ var logdepthbuf_pars_vertex = "#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#endif\n\tuniform float logDepthBufFC;\n#endif";
+
+ var logdepthbuf_vertex = "#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t#else\n\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\tgl_Position.z *= gl_Position.w;\n\t#endif\n#endif\n";
+
+ var map_fragment = "#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif\n";
+
+ var map_pars_fragment = "#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n";
+
+ var map_particle_fragment = "#ifdef USE_MAP\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\tvec4 mapTexel = texture2D( map, uv );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n";
+
+ var map_particle_pars_fragment = "#ifdef USE_MAP\n\tuniform mat3 uvTransform;\n\tuniform sampler2D map;\n#endif\n";
+
+ var metalnessmap_fragment = "float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif\n";
+
+ var metalnessmap_pars_fragment = "#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif";
+
+ var morphnormal_vertex = "#ifdef USE_MORPHNORMALS\n\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\n\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\n\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\n\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\n#endif\n";
+
+ var morphtarget_pars_vertex = "#ifdef USE_MORPHTARGETS\n\t#ifndef USE_MORPHNORMALS\n\tuniform float morphTargetInfluences[ 8 ];\n\t#else\n\tuniform float morphTargetInfluences[ 4 ];\n\t#endif\n#endif";
+
+ var morphtarget_vertex = "#ifdef USE_MORPHTARGETS\n\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\n\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\n\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\n\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\n\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\n\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\n\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\n\t#endif\n#endif\n";
+
+ var normal_fragment = "#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#endif\n#endif\n#ifdef USE_NORMALMAP\n\tnormal = perturbNormal2Arb( -vViewPosition, normal );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif\n";
+
+ var normalmap_pars_fragment = "#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tvec3 S = normalize( q0 * st1.t - q1 * st0.t );\n\t\tvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\n\t\tvec3 N = normalize( surf_norm );\n\t\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t\tmapN.xy = normalScale * mapN.xy;\n\t\tmat3 tsn = mat3( S, T, N );\n\t\treturn normalize( tsn * mapN );\n\t}\n#endif\n";
+
+ var packing = "vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}\n";
+
+ var premultiplied_alpha_fragment = "#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif\n";
+
+ var project_vertex = "vec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\ngl_Position = projectionMatrix * mvPosition;\n";
+
+ var dithering_fragment = "#if defined( DITHERING )\n gl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif\n";
+
+ var dithering_pars_fragment = "#if defined( DITHERING )\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif\n";
+
+ var roughnessmap_fragment = "float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.g;\n#endif\n";
+
+ var roughnessmap_pars_fragment = "#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif";
+
+ var shadowmap_pars_fragment = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\n\t\tconst vec2 offset = vec2( 0.0, 1.0 );\n\t\tvec2 texelSize = vec2( 1.0 ) / size;\n\t\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\n\t\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\n\t\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\n\t\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\n\t\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\n\t\tvec2 f = fract( uv * size + 0.5 );\n\t\tfloat a = mix( lb, lt, f.y );\n\t\tfloat b = mix( rb, rt, f.y );\n\t\tfloat c = mix( a, b, f.x );\n\t\treturn c;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tshadow = (\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif\n";
+
+ var shadowmap_pars_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\t#endif\n#endif\n";
+
+ var shadowmap_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n#endif\n";
+
+ var shadowmask_pars_fragment = "float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\tDirectionalLight directionalLight;\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\tSpotLight spotLight;\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\tPointLight pointLight;\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#endif\n\t#endif\n\treturn shadow;\n}\n";
+
+ var skinbase_vertex = "#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif";
+
+ var skinning_pars_vertex = "#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif\n";
+
+ var skinning_vertex = "#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif\n";
+
+ var skinnormal_vertex = "#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n#endif\n";
+
+ var specularmap_fragment = "float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif";
+
+ var specularmap_pars_fragment = "#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif";
+
+ var tonemapping_fragment = "#if defined( TONE_MAPPING )\n gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif\n";
+
+ var tonemapping_pars_fragment = "#ifndef saturate\n\t#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nuniform float toneMappingWhitePoint;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\nvec3 Uncharted2ToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\n";
+
+ var uv_pars_fragment = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvarying vec2 vUv;\n#endif";
+
+ var uv_pars_vertex = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif\n";
+
+ var uv_vertex = "#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif";
+
+ var uv2_pars_fragment = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif";
+
+ var uv2_pars_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n#endif";
+
+ var uv2_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = uv2;\n#endif";
+
+ var worldpos_vertex = "#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP )\n\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\n#endif\n";
+
+ var cube_frag = "uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldPosition;\nvoid main() {\n\tgl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\n\tgl_FragColor.a *= opacity;\n}\n";
+
+ var cube_vert = "varying vec3 vWorldPosition;\n#include <common>\nvoid main() {\n\tvWorldPosition = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}\n";
+
+ var depth_frag = "#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <logdepthbuf_fragment>\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( gl_FragCoord.z ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\n\t#endif\n}\n";
+
+ var depth_vert = "#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n}\n";
+
+ var distanceRGBA_frag = "#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}\n";
+
+ var distanceRGBA_vert = "#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvWorldPosition = worldPosition.xyz;\n}\n";
+
+ var equirect_frag = "uniform sampler2D tEquirect;\nvarying vec3 vWorldPosition;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldPosition );\n\tvec2 sampleUV;\n\tsampleUV.y = asin( clamp( direction.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n}\n";
+
+ var equirect_vert = "varying vec3 vWorldPosition;\n#include <common>\nvoid main() {\n\tvWorldPosition = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}\n";
+
+ var linedashed_frag = "uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <premultiplied_alpha_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}\n";
+
+ var linedashed_vert = "uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <color_vertex>\n\tvLineDistance = scale * lineDistance;\n\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}\n";
+
+ var meshbasic_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\treflectedLight.indirectDiffuse += texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include <aomap_fragment>\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include <envmap_fragment>\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <premultiplied_alpha_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}\n";
+
+ var meshbasic_vert = "#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_ENVMAP\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}\n";
+
+ var meshlambert_frag = "uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n#endif\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_pars_fragment>\n#include <bsdfs>\n#include <lights_pars>\n#include <fog_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <emissivemap_fragment>\n\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\n\t#include <lightmap_fragment>\n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}\n";
+
+ var meshlambert_vert = "#define LAMBERT\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <bsdfs>\n#include <lights_pars>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <lights_lambert_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}\n";
+
+ var meshphong_frag = "#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_template>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}\n";
+
+ var meshphong_vert = "#define PHONG\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}\n";
+
+ var meshphysical_frag = "#define PHYSICAL\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifndef STANDARD\n\tuniform float clearCoat;\n\tuniform float clearCoatRoughness;\n#endif\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <lights_pars>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment>\n\t#include <emissivemap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_template>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}\n";
+
+ var meshphysical_vert = "#define PHYSICAL\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}\n";
+
+ var normal_frag = "#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\nvoid main() {\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment>\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n}\n";
+
+ var normal_vert = "#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}\n";
+
+ var points_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <fog_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <premultiplied_alpha_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}\n";
+
+ var points_vert = "uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <color_vertex>\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\t#ifdef USE_SIZEATTENUATION\n\t\tgl_PointSize = size * ( scale / - mvPosition.z );\n\t#else\n\t\tgl_PointSize = size;\n\t#endif\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}\n";
+
+ var shadow_frag = "uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include <fog_fragment>\n}\n";
+
+ var shadow_vert = "#include <fog_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}\n";
+
+ var ShaderChunk = {
+ alphamap_fragment: alphamap_fragment,
+ alphamap_pars_fragment: alphamap_pars_fragment,
+ alphatest_fragment: alphatest_fragment,
+ aomap_fragment: aomap_fragment,
+ aomap_pars_fragment: aomap_pars_fragment,
+ begin_vertex: begin_vertex,
+ beginnormal_vertex: beginnormal_vertex,
+ bsdfs: bsdfs,
+ bumpmap_pars_fragment: bumpmap_pars_fragment,
+ clipping_planes_fragment: clipping_planes_fragment,
+ clipping_planes_pars_fragment: clipping_planes_pars_fragment,
+ clipping_planes_pars_vertex: clipping_planes_pars_vertex,
+ clipping_planes_vertex: clipping_planes_vertex,
+ color_fragment: color_fragment,
+ color_pars_fragment: color_pars_fragment,
+ color_pars_vertex: color_pars_vertex,
+ color_vertex: color_vertex,
+ common: common,
+ cube_uv_reflection_fragment: cube_uv_reflection_fragment,
+ defaultnormal_vertex: defaultnormal_vertex,
+ displacementmap_pars_vertex: displacementmap_pars_vertex,
+ displacementmap_vertex: displacementmap_vertex,
+ emissivemap_fragment: emissivemap_fragment,
+ emissivemap_pars_fragment: emissivemap_pars_fragment,
+ encodings_fragment: encodings_fragment,
+ encodings_pars_fragment: encodings_pars_fragment,
+ envmap_fragment: envmap_fragment,
+ envmap_pars_fragment: envmap_pars_fragment,
+ envmap_pars_vertex: envmap_pars_vertex,
+ envmap_vertex: envmap_vertex,
+ fog_vertex: fog_vertex,
+ fog_pars_vertex: fog_pars_vertex,
+ fog_fragment: fog_fragment,
+ fog_pars_fragment: fog_pars_fragment,
+ gradientmap_pars_fragment: gradientmap_pars_fragment,
+ lightmap_fragment: lightmap_fragment,
+ lightmap_pars_fragment: lightmap_pars_fragment,
+ lights_lambert_vertex: lights_lambert_vertex,
+ lights_pars: lights_pars,
+ lights_phong_fragment: lights_phong_fragment,
+ lights_phong_pars_fragment: lights_phong_pars_fragment,
+ lights_physical_fragment: lights_physical_fragment,
+ lights_physical_pars_fragment: lights_physical_pars_fragment,
+ lights_template: lights_template,
+ logdepthbuf_fragment: logdepthbuf_fragment,
+ logdepthbuf_pars_fragment: logdepthbuf_pars_fragment,
+ logdepthbuf_pars_vertex: logdepthbuf_pars_vertex,
+ logdepthbuf_vertex: logdepthbuf_vertex,
+ map_fragment: map_fragment,
+ map_pars_fragment: map_pars_fragment,
+ map_particle_fragment: map_particle_fragment,
+ map_particle_pars_fragment: map_particle_pars_fragment,
+ metalnessmap_fragment: metalnessmap_fragment,
+ metalnessmap_pars_fragment: metalnessmap_pars_fragment,
+ morphnormal_vertex: morphnormal_vertex,
+ morphtarget_pars_vertex: morphtarget_pars_vertex,
+ morphtarget_vertex: morphtarget_vertex,
+ normal_fragment: normal_fragment,
+ normalmap_pars_fragment: normalmap_pars_fragment,
+ packing: packing,
+ premultiplied_alpha_fragment: premultiplied_alpha_fragment,
+ project_vertex: project_vertex,
+ dithering_fragment: dithering_fragment,
+ dithering_pars_fragment: dithering_pars_fragment,
+ roughnessmap_fragment: roughnessmap_fragment,
+ roughnessmap_pars_fragment: roughnessmap_pars_fragment,
+ shadowmap_pars_fragment: shadowmap_pars_fragment,
+ shadowmap_pars_vertex: shadowmap_pars_vertex,
+ shadowmap_vertex: shadowmap_vertex,
+ shadowmask_pars_fragment: shadowmask_pars_fragment,
+ skinbase_vertex: skinbase_vertex,
+ skinning_pars_vertex: skinning_pars_vertex,
+ skinning_vertex: skinning_vertex,
+ skinnormal_vertex: skinnormal_vertex,
+ specularmap_fragment: specularmap_fragment,
+ specularmap_pars_fragment: specularmap_pars_fragment,
+ tonemapping_fragment: tonemapping_fragment,
+ tonemapping_pars_fragment: tonemapping_pars_fragment,
+ uv_pars_fragment: uv_pars_fragment,
+ uv_pars_vertex: uv_pars_vertex,
+ uv_vertex: uv_vertex,
+ uv2_pars_fragment: uv2_pars_fragment,
+ uv2_pars_vertex: uv2_pars_vertex,
+ uv2_vertex: uv2_vertex,
+ worldpos_vertex: worldpos_vertex,
+
+ cube_frag: cube_frag,
+ cube_vert: cube_vert,
+ depth_frag: depth_frag,
+ depth_vert: depth_vert,
+ distanceRGBA_frag: distanceRGBA_frag,
+ distanceRGBA_vert: distanceRGBA_vert,
+ equirect_frag: equirect_frag,
+ equirect_vert: equirect_vert,
+ linedashed_frag: linedashed_frag,
+ linedashed_vert: linedashed_vert,
+ meshbasic_frag: meshbasic_frag,
+ meshbasic_vert: meshbasic_vert,
+ meshlambert_frag: meshlambert_frag,
+ meshlambert_vert: meshlambert_vert,
+ meshphong_frag: meshphong_frag,
+ meshphong_vert: meshphong_vert,
+ meshphysical_frag: meshphysical_frag,
+ meshphysical_vert: meshphysical_vert,
+ normal_frag: normal_frag,
+ normal_vert: normal_vert,
+ points_frag: points_frag,
+ points_vert: points_vert,
+ shadow_frag: shadow_frag,
+ shadow_vert: shadow_vert
+ };
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ * @author mrdoob / http://mrdoob.com/
+ * @author mikael emtinger / http://gomo.se/
+ */
+
+ var ShaderLib = {
+
+ basic: {
+
+ uniforms: UniformsUtils.merge( [
+ UniformsLib.common,
+ UniformsLib.specularmap,
+ UniformsLib.envmap,
+ UniformsLib.aomap,
+ UniformsLib.lightmap,
+ UniformsLib.fog
+ ] ),
+
+ vertexShader: ShaderChunk.meshbasic_vert,
+ fragmentShader: ShaderChunk.meshbasic_frag
+
+ },
+
+ lambert: {
+
+ uniforms: UniformsUtils.merge( [
+ UniformsLib.common,
+ UniformsLib.specularmap,
+ UniformsLib.envmap,
+ UniformsLib.aomap,
+ UniformsLib.lightmap,
+ UniformsLib.emissivemap,
+ UniformsLib.fog,
+ UniformsLib.lights,
+ {
+ emissive: { value: new Color( 0x000000 ) }
+ }
+ ] ),
+
+ vertexShader: ShaderChunk.meshlambert_vert,
+ fragmentShader: ShaderChunk.meshlambert_frag
+
+ },
+
+ phong: {
+
+ uniforms: UniformsUtils.merge( [
+ UniformsLib.common,
+ UniformsLib.specularmap,
+ UniformsLib.envmap,
+ UniformsLib.aomap,
+ UniformsLib.lightmap,
+ UniformsLib.emissivemap,
+ UniformsLib.bumpmap,
+ UniformsLib.normalmap,
+ UniformsLib.displacementmap,
+ UniformsLib.gradientmap,
+ UniformsLib.fog,
+ UniformsLib.lights,
+ {
+ emissive: { value: new Color( 0x000000 ) },
+ specular: { value: new Color( 0x111111 ) },
+ shininess: { value: 30 }
+ }
+ ] ),
+
+ vertexShader: ShaderChunk.meshphong_vert,
+ fragmentShader: ShaderChunk.meshphong_frag
+
+ },
+
+ standard: {
+
+ uniforms: UniformsUtils.merge( [
+ UniformsLib.common,
+ UniformsLib.envmap,
+ UniformsLib.aomap,
+ UniformsLib.lightmap,
+ UniformsLib.emissivemap,
+ UniformsLib.bumpmap,
+ UniformsLib.normalmap,
+ UniformsLib.displacementmap,
+ UniformsLib.roughnessmap,
+ UniformsLib.metalnessmap,
+ UniformsLib.fog,
+ UniformsLib.lights,
+ {
+ emissive: { value: new Color( 0x000000 ) },
+ roughness: { value: 0.5 },
+ metalness: { value: 0.5 },
+ envMapIntensity: { value: 1 } // temporary
+ }
+ ] ),
+
+ vertexShader: ShaderChunk.meshphysical_vert,
+ fragmentShader: ShaderChunk.meshphysical_frag
+
+ },
+
+ points: {
+
+ uniforms: UniformsUtils.merge( [
+ UniformsLib.points,
+ UniformsLib.fog
+ ] ),
+
+ vertexShader: ShaderChunk.points_vert,
+ fragmentShader: ShaderChunk.points_frag
+
+ },
+
+ dashed: {
+
+ uniforms: UniformsUtils.merge( [
+ UniformsLib.common,
+ UniformsLib.fog,
+ {
+ scale: { value: 1 },
+ dashSize: { value: 1 },
+ totalSize: { value: 2 }
+ }
+ ] ),
+
+ vertexShader: ShaderChunk.linedashed_vert,
+ fragmentShader: ShaderChunk.linedashed_frag
+
+ },
+
+ depth: {
+
+ uniforms: UniformsUtils.merge( [
+ UniformsLib.common,
+ UniformsLib.displacementmap
+ ] ),
+
+ vertexShader: ShaderChunk.depth_vert,
+ fragmentShader: ShaderChunk.depth_frag
+
+ },
+
+ normal: {
+
+ uniforms: UniformsUtils.merge( [
+ UniformsLib.common,
+ UniformsLib.bumpmap,
+ UniformsLib.normalmap,
+ UniformsLib.displacementmap,
+ {
+ opacity: { value: 1.0 }
+ }
+ ] ),
+
+ vertexShader: ShaderChunk.normal_vert,
+ fragmentShader: ShaderChunk.normal_frag
+
+ },
+
+ /* -------------------------------------------------------------------------
+ // Cube map shader
+ ------------------------------------------------------------------------- */
+
+ cube: {
+
+ uniforms: {
+ tCube: { value: null },
+ tFlip: { value: - 1 },
+ opacity: { value: 1.0 }
+ },
+
+ vertexShader: ShaderChunk.cube_vert,
+ fragmentShader: ShaderChunk.cube_frag
+
+ },
+
+ equirect: {
+
+ uniforms: {
+ tEquirect: { value: null },
+ },
+
+ vertexShader: ShaderChunk.equirect_vert,
+ fragmentShader: ShaderChunk.equirect_frag
+
+ },
+
+ distanceRGBA: {
+
+ uniforms: UniformsUtils.merge( [
+ UniformsLib.common,
+ UniformsLib.displacementmap,
+ {
+ referencePosition: { value: new Vector3() },
+ nearDistance: { value: 1 },
+ farDistance: { value: 1000 }
+ }
+ ] ),
+
+ vertexShader: ShaderChunk.distanceRGBA_vert,
+ fragmentShader: ShaderChunk.distanceRGBA_frag
+
+ },
+
+ shadow: {
+
+ uniforms: UniformsUtils.merge( [
+ UniformsLib.lights,
+ UniformsLib.fog,
+ {
+ color: { value: new Color( 0x00000 ) },
+ opacity: { value: 1.0 }
+ },
+ ] ),
+
+ vertexShader: ShaderChunk.shadow_vert,
+ fragmentShader: ShaderChunk.shadow_frag
+
+ }
+
+ };
+
+ ShaderLib.physical = {
+
+ uniforms: UniformsUtils.merge( [
+ ShaderLib.standard.uniforms,
+ {
+ clearCoat: { value: 0 },
+ clearCoatRoughness: { value: 0 }
+ }
+ ] ),
+
+ vertexShader: ShaderChunk.meshphysical_vert,
+ fragmentShader: ShaderChunk.meshphysical_frag
+
+ };
+
+ /**
+ * @author bhouston / http://clara.io
+ */
+
+ function Box2( min, max ) {
+
+ this.min = ( min !== undefined ) ? min : new Vector2( + Infinity, + Infinity );
+ this.max = ( max !== undefined ) ? max : new Vector2( - Infinity, - Infinity );
+
+ }
+
+ Object.assign( Box2.prototype, {
+
+ set: function ( min, max ) {
+
+ this.min.copy( min );
+ this.max.copy( max );
+
+ return this;
+
+ },
+
+ setFromPoints: function ( points ) {
+
+ this.makeEmpty();
+
+ for ( var i = 0, il = points.length; i < il; i ++ ) {
+
+ this.expandByPoint( points[ i ] );
+
+ }
+
+ return this;
+
+ },
+
+ setFromCenterAndSize: function () {
+
+ var v1 = new Vector2();
+
+ return function setFromCenterAndSize( center, size ) {
+
+ var halfSize = v1.copy( size ).multiplyScalar( 0.5 );
+ this.min.copy( center ).sub( halfSize );
+ this.max.copy( center ).add( halfSize );
+
+ return this;
+
+ };
+
+ }(),
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ },
+
+ copy: function ( box ) {
+
+ this.min.copy( box.min );
+ this.max.copy( box.max );
+
+ return this;
+
+ },
+
+ makeEmpty: function () {
+
+ this.min.x = this.min.y = + Infinity;
+ this.max.x = this.max.y = - Infinity;
+
+ return this;
+
+ },
+
+ isEmpty: function () {
+
+ // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes
+
+ return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );
+
+ },
+
+ getCenter: function ( optionalTarget ) {
+
+ var result = optionalTarget || new Vector2();
+ return this.isEmpty() ? result.set( 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );
+
+ },
+
+ getSize: function ( optionalTarget ) {
+
+ var result = optionalTarget || new Vector2();
+ return this.isEmpty() ? result.set( 0, 0 ) : result.subVectors( this.max, this.min );
+
+ },
+
+ expandByPoint: function ( point ) {
+
+ this.min.min( point );
+ this.max.max( point );
+
+ return this;
+
+ },
+
+ expandByVector: function ( vector ) {
+
+ this.min.sub( vector );
+ this.max.add( vector );
+
+ return this;
+
+ },
+
+ expandByScalar: function ( scalar ) {
+
+ this.min.addScalar( - scalar );
+ this.max.addScalar( scalar );
+
+ return this;
+
+ },
+
+ containsPoint: function ( point ) {
+
+ return point.x < this.min.x || point.x > this.max.x ||
+ point.y < this.min.y || point.y > this.max.y ? false : true;
+
+ },
+
+ containsBox: function ( box ) {
+
+ return this.min.x <= box.min.x && box.max.x <= this.max.x &&
+ this.min.y <= box.min.y && box.max.y <= this.max.y;
+
+ },
+
+ getParameter: function ( point, optionalTarget ) {
+
+ // This can potentially have a divide by zero if the box
+ // has a size dimension of 0.
+
+ var result = optionalTarget || new Vector2();
+
+ return result.set(
+ ( point.x - this.min.x ) / ( this.max.x - this.min.x ),
+ ( point.y - this.min.y ) / ( this.max.y - this.min.y )
+ );
+
+ },
+
+ intersectsBox: function ( box ) {
+
+ // using 4 splitting planes to rule out intersections
+
+ return box.max.x < this.min.x || box.min.x > this.max.x ||
+ box.max.y < this.min.y || box.min.y > this.max.y ? false : true;
+
+ },
+
+ clampPoint: function ( point, optionalTarget ) {
+
+ var result = optionalTarget || new Vector2();
+ return result.copy( point ).clamp( this.min, this.max );
+
+ },
+
+ distanceToPoint: function () {
+
+ var v1 = new Vector2();
+
+ return function distanceToPoint( point ) {
+
+ var clampedPoint = v1.copy( point ).clamp( this.min, this.max );
+ return clampedPoint.sub( point ).length();
+
+ };
+
+ }(),
+
+ intersect: function ( box ) {
+
+ this.min.max( box.min );
+ this.max.min( box.max );
+
+ return this;
+
+ },
+
+ union: function ( box ) {
+
+ this.min.min( box.min );
+ this.max.max( box.max );
+
+ return this;
+
+ },
+
+ translate: function ( offset ) {
+
+ this.min.add( offset );
+ this.max.add( offset );
+
+ return this;
+
+ },
+
+ equals: function ( box ) {
+
+ return box.min.equals( this.min ) && box.max.equals( this.max );
+
+ }
+
+ } );
+
+ /**
+ * @author mikael emtinger / http://gomo.se/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function WebGLFlareRenderer( renderer, gl, state, textures, capabilities ) {
+
+ var vertexBuffer, elementBuffer;
+ var shader, program, attributes, uniforms;
+
+ var tempTexture, occlusionTexture;
+
+ function init() {
+
+ var vertices = new Float32Array( [
+ - 1, - 1, 0, 0,
+ 1, - 1, 1, 0,
+ 1, 1, 1, 1,
+ - 1, 1, 0, 1
+ ] );
+
+ var faces = new Uint16Array( [
+ 0, 1, 2,
+ 0, 2, 3
+ ] );
+
+ // buffers
+
+ vertexBuffer = gl.createBuffer();
+ elementBuffer = gl.createBuffer();
+
+ gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );
+ gl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );
+
+ gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );
+ gl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );
+
+ // textures
+
+ tempTexture = gl.createTexture();
+ occlusionTexture = gl.createTexture();
+
+ state.bindTexture( gl.TEXTURE_2D, tempTexture );
+ gl.texImage2D( gl.TEXTURE_2D, 0, gl.RGB, 16, 16, 0, gl.RGB, gl.UNSIGNED_BYTE, null );
+ gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );
+ gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );
+ gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );
+ gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );
+
+ state.bindTexture( gl.TEXTURE_2D, occlusionTexture );
+ gl.texImage2D( gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null );
+ gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );
+ gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE );
+ gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST );
+ gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST );
+
+ shader = {
+
+ vertexShader: [
+
+ 'uniform lowp int renderType;',
+
+ 'uniform vec3 screenPosition;',
+ 'uniform vec2 scale;',
+ 'uniform float rotation;',
+
+ 'uniform sampler2D occlusionMap;',
+
+ 'attribute vec2 position;',
+ 'attribute vec2 uv;',
+
+ 'varying vec2 vUV;',
+ 'varying float vVisibility;',
+
+ 'void main() {',
+
+ ' vUV = uv;',
+
+ ' vec2 pos = position;',
+
+ ' if ( renderType == 2 ) {',
+
+ ' vec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) );',
+ ' visibility += texture2D( occlusionMap, vec2( 0.5, 0.1 ) );',
+ ' visibility += texture2D( occlusionMap, vec2( 0.9, 0.1 ) );',
+ ' visibility += texture2D( occlusionMap, vec2( 0.9, 0.5 ) );',
+ ' visibility += texture2D( occlusionMap, vec2( 0.9, 0.9 ) );',
+ ' visibility += texture2D( occlusionMap, vec2( 0.5, 0.9 ) );',
+ ' visibility += texture2D( occlusionMap, vec2( 0.1, 0.9 ) );',
+ ' visibility += texture2D( occlusionMap, vec2( 0.1, 0.5 ) );',
+ ' visibility += texture2D( occlusionMap, vec2( 0.5, 0.5 ) );',
+
+ ' vVisibility = visibility.r / 9.0;',
+ ' vVisibility *= 1.0 - visibility.g / 9.0;',
+ ' vVisibility *= visibility.b / 9.0;',
+ ' vVisibility *= 1.0 - visibility.a / 9.0;',
+
+ ' pos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;',
+ ' pos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;',
+
+ ' }',
+
+ ' gl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );',
+
+ '}'
+
+ ].join( '\n' ),
+
+ fragmentShader: [
+
+ 'uniform lowp int renderType;',
+
+ 'uniform sampler2D map;',
+ 'uniform float opacity;',
+ 'uniform vec3 color;',
+
+ 'varying vec2 vUV;',
+ 'varying float vVisibility;',
+
+ 'void main() {',
+
+ // pink square
+
+ ' if ( renderType == 0 ) {',
+
+ ' gl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );',
+
+ // restore
+
+ ' } else if ( renderType == 1 ) {',
+
+ ' gl_FragColor = texture2D( map, vUV );',
+
+ // flare
+
+ ' } else {',
+
+ ' vec4 texture = texture2D( map, vUV );',
+ ' texture.a *= opacity * vVisibility;',
+ ' gl_FragColor = texture;',
+ ' gl_FragColor.rgb *= color;',
+
+ ' }',
+
+ '}'
+
+ ].join( '\n' )
+
+ };
+
+ program = createProgram( shader );
+
+ attributes = {
+ vertex: gl.getAttribLocation( program, 'position' ),
+ uv: gl.getAttribLocation( program, 'uv' )
+ };
+
+ uniforms = {
+ renderType: gl.getUniformLocation( program, 'renderType' ),
+ map: gl.getUniformLocation( program, 'map' ),
+ occlusionMap: gl.getUniformLocation( program, 'occlusionMap' ),
+ opacity: gl.getUniformLocation( program, 'opacity' ),
+ color: gl.getUniformLocation( program, 'color' ),
+ scale: gl.getUniformLocation( program, 'scale' ),
+ rotation: gl.getUniformLocation( program, 'rotation' ),
+ screenPosition: gl.getUniformLocation( program, 'screenPosition' )
+ };
+
+ }
+
+ /*
+ * Render lens flares
+ * Method: renders 16x16 0xff00ff-colored points scattered over the light source area,
+ * reads these back and calculates occlusion.
+ */
+
+ this.render = function ( flares, scene, camera, viewport ) {
+
+ if ( flares.length === 0 ) return;
+
+ var tempPosition = new Vector3();
+
+ var invAspect = viewport.w / viewport.z,
+ halfViewportWidth = viewport.z * 0.5,
+ halfViewportHeight = viewport.w * 0.5;
+
+ var size = 16 / viewport.w,
+ scale = new Vector2( size * invAspect, size );
+
+ var screenPosition = new Vector3( 1, 1, 0 ),
+ screenPositionPixels = new Vector2( 1, 1 );
+
+ var validArea = new Box2();
+
+ validArea.min.set( viewport.x, viewport.y );
+ validArea.max.set( viewport.x + ( viewport.z - 16 ), viewport.y + ( viewport.w - 16 ) );
+
+ if ( program === undefined ) {
+
+ init();
+
+ }
+
+ state.useProgram( program );
+
+ state.initAttributes();
+ state.enableAttribute( attributes.vertex );
+ state.enableAttribute( attributes.uv );
+ state.disableUnusedAttributes();
+
+ // loop through all lens flares to update their occlusion and positions
+ // setup gl and common used attribs/uniforms
+
+ gl.uniform1i( uniforms.occlusionMap, 0 );
+ gl.uniform1i( uniforms.map, 1 );
+
+ gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );
+ gl.vertexAttribPointer( attributes.vertex, 2, gl.FLOAT, false, 2 * 8, 0 );
+ gl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );
+
+ gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );
+
+ state.disable( gl.CULL_FACE );
+ state.buffers.depth.setMask( false );
+
+ for ( var i = 0, l = flares.length; i < l; i ++ ) {
+
+ size = 16 / viewport.w;
+ scale.set( size * invAspect, size );
+
+ // calc object screen position
+
+ var flare = flares[ i ];
+
+ tempPosition.set( flare.matrixWorld.elements[ 12 ], flare.matrixWorld.elements[ 13 ], flare.matrixWorld.elements[ 14 ] );
+
+ tempPosition.applyMatrix4( camera.matrixWorldInverse );
+ tempPosition.applyMatrix4( camera.projectionMatrix );
+
+ // setup arrays for gl programs
+
+ screenPosition.copy( tempPosition );
+
+ // horizontal and vertical coordinate of the lower left corner of the pixels to copy
+
+ screenPositionPixels.x = viewport.x + ( screenPosition.x * halfViewportWidth ) + halfViewportWidth - 8;
+ screenPositionPixels.y = viewport.y + ( screenPosition.y * halfViewportHeight ) + halfViewportHeight - 8;
+
+ // screen cull
+
+ if ( validArea.containsPoint( screenPositionPixels ) === true ) {
+
+ // save current RGB to temp texture
+
+ state.activeTexture( gl.TEXTURE0 );
+ state.bindTexture( gl.TEXTURE_2D, null );
+ state.activeTexture( gl.TEXTURE1 );
+ state.bindTexture( gl.TEXTURE_2D, tempTexture );
+ gl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGB, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );
+
+
+ // render pink quad
+
+ gl.uniform1i( uniforms.renderType, 0 );
+ gl.uniform2f( uniforms.scale, scale.x, scale.y );
+ gl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );
+
+ state.disable( gl.BLEND );
+ state.enable( gl.DEPTH_TEST );
+
+ gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );
+
+
+ // copy result to occlusionMap
+
+ state.activeTexture( gl.TEXTURE0 );
+ state.bindTexture( gl.TEXTURE_2D, occlusionTexture );
+ gl.copyTexImage2D( gl.TEXTURE_2D, 0, gl.RGBA, screenPositionPixels.x, screenPositionPixels.y, 16, 16, 0 );
+
+
+ // restore graphics
+
+ gl.uniform1i( uniforms.renderType, 1 );
+ state.disable( gl.DEPTH_TEST );
+
+ state.activeTexture( gl.TEXTURE1 );
+ state.bindTexture( gl.TEXTURE_2D, tempTexture );
+ gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );
+
+
+ // update object positions
+
+ flare.positionScreen.copy( screenPosition );
+
+ if ( flare.customUpdateCallback ) {
+
+ flare.customUpdateCallback( flare );
+
+ } else {
+
+ flare.updateLensFlares();
+
+ }
+
+ // render flares
+
+ gl.uniform1i( uniforms.renderType, 2 );
+ state.enable( gl.BLEND );
+
+ for ( var j = 0, jl = flare.lensFlares.length; j < jl; j ++ ) {
+
+ var sprite = flare.lensFlares[ j ];
+
+ if ( sprite.opacity > 0.001 && sprite.scale > 0.001 ) {
+
+ screenPosition.x = sprite.x;
+ screenPosition.y = sprite.y;
+ screenPosition.z = sprite.z;
+
+ size = sprite.size * sprite.scale / viewport.w;
+
+ scale.x = size * invAspect;
+ scale.y = size;
+
+ gl.uniform3f( uniforms.screenPosition, screenPosition.x, screenPosition.y, screenPosition.z );
+ gl.uniform2f( uniforms.scale, scale.x, scale.y );
+ gl.uniform1f( uniforms.rotation, sprite.rotation );
+
+ gl.uniform1f( uniforms.opacity, sprite.opacity );
+ gl.uniform3f( uniforms.color, sprite.color.r, sprite.color.g, sprite.color.b );
+
+ state.setBlending( sprite.blending, sprite.blendEquation, sprite.blendSrc, sprite.blendDst );
+
+ textures.setTexture2D( sprite.texture, 1 );
+
+ gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );
+
+ }
+
+ }
+
+ }
+
+ }
+
+ // restore gl
+
+ state.enable( gl.CULL_FACE );
+ state.enable( gl.DEPTH_TEST );
+ state.buffers.depth.setMask( true );
+
+ state.reset();
+
+ };
+
+ function createProgram( shader ) {
+
+ var program = gl.createProgram();
+
+ var fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );
+ var vertexShader = gl.createShader( gl.VERTEX_SHADER );
+
+ var prefix = 'precision ' + capabilities.precision + ' float;\n';
+
+ gl.shaderSource( fragmentShader, prefix + shader.fragmentShader );
+ gl.shaderSource( vertexShader, prefix + shader.vertexShader );
+
+ gl.compileShader( fragmentShader );
+ gl.compileShader( vertexShader );
+
+ gl.attachShader( program, fragmentShader );
+ gl.attachShader( program, vertexShader );
+
+ gl.linkProgram( program );
+
+ return program;
+
+ }
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function CanvasTexture( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {
+
+ Texture.call( this, canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );
+
+ this.needsUpdate = true;
+
+ }
+
+ CanvasTexture.prototype = Object.create( Texture.prototype );
+ CanvasTexture.prototype.constructor = CanvasTexture;
+
+ /**
+ * @author mikael emtinger / http://gomo.se/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function WebGLSpriteRenderer( renderer, gl, state, textures, capabilities ) {
+
+ var vertexBuffer, elementBuffer;
+ var program, attributes, uniforms;
+
+ var texture;
+
+ // decompose matrixWorld
+
+ var spritePosition = new Vector3();
+ var spriteRotation = new Quaternion();
+ var spriteScale = new Vector3();
+
+ function init() {
+
+ var vertices = new Float32Array( [
+ - 0.5, - 0.5, 0, 0,
+ 0.5, - 0.5, 1, 0,
+ 0.5, 0.5, 1, 1,
+ - 0.5, 0.5, 0, 1
+ ] );
+
+ var faces = new Uint16Array( [
+ 0, 1, 2,
+ 0, 2, 3
+ ] );
+
+ vertexBuffer = gl.createBuffer();
+ elementBuffer = gl.createBuffer();
+
+ gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );
+ gl.bufferData( gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW );
+
+ gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );
+ gl.bufferData( gl.ELEMENT_ARRAY_BUFFER, faces, gl.STATIC_DRAW );
+
+ program = createProgram();
+
+ attributes = {
+ position: gl.getAttribLocation( program, 'position' ),
+ uv: gl.getAttribLocation( program, 'uv' )
+ };
+
+ uniforms = {
+ uvOffset: gl.getUniformLocation( program, 'uvOffset' ),
+ uvScale: gl.getUniformLocation( program, 'uvScale' ),
+
+ rotation: gl.getUniformLocation( program, 'rotation' ),
+ scale: gl.getUniformLocation( program, 'scale' ),
+
+ color: gl.getUniformLocation( program, 'color' ),
+ map: gl.getUniformLocation( program, 'map' ),
+ opacity: gl.getUniformLocation( program, 'opacity' ),
+
+ modelViewMatrix: gl.getUniformLocation( program, 'modelViewMatrix' ),
+ projectionMatrix: gl.getUniformLocation( program, 'projectionMatrix' ),
+
+ fogType: gl.getUniformLocation( program, 'fogType' ),
+ fogDensity: gl.getUniformLocation( program, 'fogDensity' ),
+ fogNear: gl.getUniformLocation( program, 'fogNear' ),
+ fogFar: gl.getUniformLocation( program, 'fogFar' ),
+ fogColor: gl.getUniformLocation( program, 'fogColor' ),
+ fogDepth: gl.getUniformLocation( program, 'fogDepth' ),
+
+ alphaTest: gl.getUniformLocation( program, 'alphaTest' )
+ };
+
+ var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );
+ canvas.width = 8;
+ canvas.height = 8;
+
+ var context = canvas.getContext( '2d' );
+ context.fillStyle = 'white';
+ context.fillRect( 0, 0, 8, 8 );
+
+ texture = new CanvasTexture( canvas );
+
+ }
+
+ this.render = function ( sprites, scene, camera ) {
+
+ if ( sprites.length === 0 ) return;
+
+ // setup gl
+
+ if ( program === undefined ) {
+
+ init();
+
+ }
+
+ state.useProgram( program );
+
+ state.initAttributes();
+ state.enableAttribute( attributes.position );
+ state.enableAttribute( attributes.uv );
+ state.disableUnusedAttributes();
+
+ state.disable( gl.CULL_FACE );
+ state.enable( gl.BLEND );
+
+ gl.bindBuffer( gl.ARRAY_BUFFER, vertexBuffer );
+ gl.vertexAttribPointer( attributes.position, 2, gl.FLOAT, false, 2 * 8, 0 );
+ gl.vertexAttribPointer( attributes.uv, 2, gl.FLOAT, false, 2 * 8, 8 );
+
+ gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, elementBuffer );
+
+ gl.uniformMatrix4fv( uniforms.projectionMatrix, false, camera.projectionMatrix.elements );
+
+ state.activeTexture( gl.TEXTURE0 );
+ gl.uniform1i( uniforms.map, 0 );
+
+ var oldFogType = 0;
+ var sceneFogType = 0;
+ var fog = scene.fog;
+
+ if ( fog ) {
+
+ gl.uniform3f( uniforms.fogColor, fog.color.r, fog.color.g, fog.color.b );
+
+ if ( fog.isFog ) {
+
+ gl.uniform1f( uniforms.fogNear, fog.near );
+ gl.uniform1f( uniforms.fogFar, fog.far );
+
+ gl.uniform1i( uniforms.fogType, 1 );
+ oldFogType = 1;
+ sceneFogType = 1;
+
+ } else if ( fog.isFogExp2 ) {
+
+ gl.uniform1f( uniforms.fogDensity, fog.density );
+
+ gl.uniform1i( uniforms.fogType, 2 );
+ oldFogType = 2;
+ sceneFogType = 2;
+
+ }
+
+ } else {
+
+ gl.uniform1i( uniforms.fogType, 0 );
+ oldFogType = 0;
+ sceneFogType = 0;
+
+ }
+
+
+ // update positions and sort
+
+ for ( var i = 0, l = sprites.length; i < l; i ++ ) {
+
+ var sprite = sprites[ i ];
+
+ sprite.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, sprite.matrixWorld );
+ sprite.z = - sprite.modelViewMatrix.elements[ 14 ];
+
+ }
+
+ sprites.sort( painterSortStable );
+
+ // render all sprites
+
+ var scale = [];
+
+ for ( var i = 0, l = sprites.length; i < l; i ++ ) {
+
+ var sprite = sprites[ i ];
+ var material = sprite.material;
+
+ if ( material.visible === false ) continue;
+
+ sprite.onBeforeRender( renderer, scene, camera, undefined, material, undefined );
+
+ gl.uniform1f( uniforms.alphaTest, material.alphaTest );
+ gl.uniformMatrix4fv( uniforms.modelViewMatrix, false, sprite.modelViewMatrix.elements );
+
+ sprite.matrixWorld.decompose( spritePosition, spriteRotation, spriteScale );
+
+ scale[ 0 ] = spriteScale.x;
+ scale[ 1 ] = spriteScale.y;
+
+ var fogType = 0;
+
+ if ( scene.fog && material.fog ) {
+
+ fogType = sceneFogType;
+
+ }
+
+ if ( oldFogType !== fogType ) {
+
+ gl.uniform1i( uniforms.fogType, fogType );
+ oldFogType = fogType;
+
+ }
+
+ if ( material.map !== null ) {
+
+ gl.uniform2f( uniforms.uvOffset, material.map.offset.x, material.map.offset.y );
+ gl.uniform2f( uniforms.uvScale, material.map.repeat.x, material.map.repeat.y );
+
+ } else {
+
+ gl.uniform2f( uniforms.uvOffset, 0, 0 );
+ gl.uniform2f( uniforms.uvScale, 1, 1 );
+
+ }
+
+ gl.uniform1f( uniforms.opacity, material.opacity );
+ gl.uniform3f( uniforms.color, material.color.r, material.color.g, material.color.b );
+
+ gl.uniform1f( uniforms.rotation, material.rotation );
+ gl.uniform2fv( uniforms.scale, scale );
+
+ state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha );
+ state.buffers.depth.setTest( material.depthTest );
+ state.buffers.depth.setMask( material.depthWrite );
+ state.buffers.color.setMask( material.colorWrite );
+
+ textures.setTexture2D( material.map || texture, 0 );
+
+ gl.drawElements( gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0 );
+
+ sprite.onAfterRender( renderer, scene, camera, undefined, material, undefined );
+
+ }
+
+ // restore gl
+
+ state.enable( gl.CULL_FACE );
+
+ state.reset();
+
+ };
+
+ function createProgram() {
+
+ var program = gl.createProgram();
+
+ var vertexShader = gl.createShader( gl.VERTEX_SHADER );
+ var fragmentShader = gl.createShader( gl.FRAGMENT_SHADER );
+
+ gl.shaderSource( vertexShader, [
+
+ 'precision ' + capabilities.precision + ' float;',
+
+ '#define SHADER_NAME ' + 'SpriteMaterial',
+
+ 'uniform mat4 modelViewMatrix;',
+ 'uniform mat4 projectionMatrix;',
+ 'uniform float rotation;',
+ 'uniform vec2 scale;',
+ 'uniform vec2 uvOffset;',
+ 'uniform vec2 uvScale;',
+
+ 'attribute vec2 position;',
+ 'attribute vec2 uv;',
+
+ 'varying vec2 vUV;',
+ 'varying float fogDepth;',
+
+ 'void main() {',
+
+ ' vUV = uvOffset + uv * uvScale;',
+
+ ' vec2 alignedPosition = position * scale;',
+
+ ' vec2 rotatedPosition;',
+ ' rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;',
+ ' rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;',
+
+ ' vec4 mvPosition;',
+
+ ' mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );',
+ ' mvPosition.xy += rotatedPosition;',
+
+ ' gl_Position = projectionMatrix * mvPosition;',
+
+ ' fogDepth = - mvPosition.z;',
+
+ '}'
+
+ ].join( '\n' ) );
+
+ gl.shaderSource( fragmentShader, [
+
+ 'precision ' + capabilities.precision + ' float;',
+
+ '#define SHADER_NAME ' + 'SpriteMaterial',
+
+ 'uniform vec3 color;',
+ 'uniform sampler2D map;',
+ 'uniform float opacity;',
+
+ 'uniform int fogType;',
+ 'uniform vec3 fogColor;',
+ 'uniform float fogDensity;',
+ 'uniform float fogNear;',
+ 'uniform float fogFar;',
+ 'uniform float alphaTest;',
+
+ 'varying vec2 vUV;',
+ 'varying float fogDepth;',
+
+ 'void main() {',
+
+ ' vec4 texture = texture2D( map, vUV );',
+
+ ' gl_FragColor = vec4( color * texture.xyz, texture.a * opacity );',
+
+ ' if ( gl_FragColor.a < alphaTest ) discard;',
+
+ ' if ( fogType > 0 ) {',
+
+ ' float fogFactor = 0.0;',
+
+ ' if ( fogType == 1 ) {',
+
+ ' fogFactor = smoothstep( fogNear, fogFar, fogDepth );',
+
+ ' } else {',
+
+ ' const float LOG2 = 1.442695;',
+ ' fogFactor = exp2( - fogDensity * fogDensity * fogDepth * fogDepth * LOG2 );',
+ ' fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );',
+
+ ' }',
+
+ ' gl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );',
+
+ ' }',
+
+ '}'
+
+ ].join( '\n' ) );
+
+ gl.compileShader( vertexShader );
+ gl.compileShader( fragmentShader );
+
+ gl.attachShader( program, vertexShader );
+ gl.attachShader( program, fragmentShader );
+
+ gl.linkProgram( program );
+
+ return program;
+
+ }
+
+ function painterSortStable( a, b ) {
+
+ if ( a.renderOrder !== b.renderOrder ) {
+
+ return a.renderOrder - b.renderOrder;
+
+ } else if ( a.z !== b.z ) {
+
+ return b.z - a.z;
+
+ } else {
+
+ return b.id - a.id;
+
+ }
+
+ }
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ var materialId = 0;
+
+ function Material() {
+
+ Object.defineProperty( this, 'id', { value: materialId ++ } );
+
+ this.uuid = _Math.generateUUID();
+
+ this.name = '';
+ this.type = 'Material';
+
+ this.fog = true;
+ this.lights = true;
+
+ this.blending = NormalBlending;
+ this.side = FrontSide;
+ this.flatShading = false;
+ this.vertexColors = NoColors; // THREE.NoColors, THREE.VertexColors, THREE.FaceColors
+
+ this.opacity = 1;
+ this.transparent = false;
+
+ this.blendSrc = SrcAlphaFactor;
+ this.blendDst = OneMinusSrcAlphaFactor;
+ this.blendEquation = AddEquation;
+ this.blendSrcAlpha = null;
+ this.blendDstAlpha = null;
+ this.blendEquationAlpha = null;
+
+ this.depthFunc = LessEqualDepth;
+ this.depthTest = true;
+ this.depthWrite = true;
+
+ this.clippingPlanes = null;
+ this.clipIntersection = false;
+ this.clipShadows = false;
+
+ this.colorWrite = true;
+
+ this.precision = null; // override the renderer's default precision for this material
+
+ this.polygonOffset = false;
+ this.polygonOffsetFactor = 0;
+ this.polygonOffsetUnits = 0;
+
+ this.dithering = false;
+
+ this.alphaTest = 0;
+ this.premultipliedAlpha = false;
+
+ this.overdraw = 0; // Overdrawn pixels (typically between 0 and 1) for fixing antialiasing gaps in CanvasRenderer
+
+ this.visible = true;
+
+ this.userData = {};
+
+ this.needsUpdate = true;
+
+ }
+
+ Material.prototype = Object.assign( Object.create( EventDispatcher.prototype ), {
+
+ constructor: Material,
+
+ isMaterial: true,
+
+ onBeforeCompile: function () {},
+
+ setValues: function ( values ) {
+
+ if ( values === undefined ) return;
+
+ for ( var key in values ) {
+
+ var newValue = values[ key ];
+
+ if ( newValue === undefined ) {
+
+ console.warn( "THREE.Material: '" + key + "' parameter is undefined." );
+ continue;
+
+ }
+
+ // for backward compatability if shading is set in the constructor
+ if ( key === 'shading' ) {
+
+ console.warn( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );
+ this.flatShading = ( newValue === FlatShading ) ? true : false;
+ continue;
+
+ }
+
+ var currentValue = this[ key ];
+
+ if ( currentValue === undefined ) {
+
+ console.warn( "THREE." + this.type + ": '" + key + "' is not a property of this material." );
+ continue;
+
+ }
+
+ if ( currentValue && currentValue.isColor ) {
+
+ currentValue.set( newValue );
+
+ } else if ( ( currentValue && currentValue.isVector3 ) && ( newValue && newValue.isVector3 ) ) {
+
+ currentValue.copy( newValue );
+
+ } else if ( key === 'overdraw' ) {
+
+ // ensure overdraw is backwards-compatible with legacy boolean type
+ this[ key ] = Number( newValue );
+
+ } else {
+
+ this[ key ] = newValue;
+
+ }
+
+ }
+
+ },
+
+ toJSON: function ( meta ) {
+
+ var isRoot = ( meta === undefined || typeof meta === 'string' );
+
+ if ( isRoot ) {
+
+ meta = {
+ textures: {},
+ images: {}
+ };
+
+ }
+
+ var data = {
+ metadata: {
+ version: 4.5,
+ type: 'Material',
+ generator: 'Material.toJSON'
+ }
+ };
+
+ // standard Material serialization
+ data.uuid = this.uuid;
+ data.type = this.type;
+
+ if ( this.name !== '' ) data.name = this.name;
+
+ if ( this.color && this.color.isColor ) data.color = this.color.getHex();
+
+ if ( this.roughness !== undefined ) data.roughness = this.roughness;
+ if ( this.metalness !== undefined ) data.metalness = this.metalness;
+
+ if ( this.emissive && this.emissive.isColor ) data.emissive = this.emissive.getHex();
+ if ( this.emissiveIntensity !== 1 ) data.emissiveIntensity = this.emissiveIntensity;
+
+ if ( this.specular && this.specular.isColor ) data.specular = this.specular.getHex();
+ if ( this.shininess !== undefined ) data.shininess = this.shininess;
+ if ( this.clearCoat !== undefined ) data.clearCoat = this.clearCoat;
+ if ( this.clearCoatRoughness !== undefined ) data.clearCoatRoughness = this.clearCoatRoughness;
+
+ if ( this.map && this.map.isTexture ) data.map = this.map.toJSON( meta ).uuid;
+ if ( this.alphaMap && this.alphaMap.isTexture ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;
+ if ( this.lightMap && this.lightMap.isTexture ) data.lightMap = this.lightMap.toJSON( meta ).uuid;
+ if ( this.bumpMap && this.bumpMap.isTexture ) {
+
+ data.bumpMap = this.bumpMap.toJSON( meta ).uuid;
+ data.bumpScale = this.bumpScale;
+
+ }
+ if ( this.normalMap && this.normalMap.isTexture ) {
+
+ data.normalMap = this.normalMap.toJSON( meta ).uuid;
+ data.normalScale = this.normalScale.toArray();
+
+ }
+ if ( this.displacementMap && this.displacementMap.isTexture ) {
+
+ data.displacementMap = this.displacementMap.toJSON( meta ).uuid;
+ data.displacementScale = this.displacementScale;
+ data.displacementBias = this.displacementBias;
+
+ }
+ if ( this.roughnessMap && this.roughnessMap.isTexture ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;
+ if ( this.metalnessMap && this.metalnessMap.isTexture ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;
+
+ if ( this.emissiveMap && this.emissiveMap.isTexture ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;
+ if ( this.specularMap && this.specularMap.isTexture ) data.specularMap = this.specularMap.toJSON( meta ).uuid;
+
+ if ( this.envMap && this.envMap.isTexture ) {
+
+ data.envMap = this.envMap.toJSON( meta ).uuid;
+ data.reflectivity = this.reflectivity; // Scale behind envMap
+
+ }
+
+ if ( this.gradientMap && this.gradientMap.isTexture ) {
+
+ data.gradientMap = this.gradientMap.toJSON( meta ).uuid;
+
+ }
+
+ if ( this.size !== undefined ) data.size = this.size;
+ if ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;
+
+ if ( this.blending !== NormalBlending ) data.blending = this.blending;
+ if ( this.flatShading === true ) data.flatShading = this.flatShading;
+ if ( this.side !== FrontSide ) data.side = this.side;
+ if ( this.vertexColors !== NoColors ) data.vertexColors = this.vertexColors;
+
+ if ( this.opacity < 1 ) data.opacity = this.opacity;
+ if ( this.transparent === true ) data.transparent = this.transparent;
+
+ data.depthFunc = this.depthFunc;
+ data.depthTest = this.depthTest;
+ data.depthWrite = this.depthWrite;
+
+ // rotation (SpriteMaterial)
+ if ( this.rotation !== 0 ) data.rotation = this.rotation;
+
+ if ( this.linewidth !== 1 ) data.linewidth = this.linewidth;
+ if ( this.dashSize !== undefined ) data.dashSize = this.dashSize;
+ if ( this.gapSize !== undefined ) data.gapSize = this.gapSize;
+ if ( this.scale !== undefined ) data.scale = this.scale;
+
+ if ( this.dithering === true ) data.dithering = true;
+
+ if ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;
+ if ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha;
+
+ if ( this.wireframe === true ) data.wireframe = this.wireframe;
+ if ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;
+ if ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;
+ if ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;
+
+ if ( this.morphTargets === true ) data.morphTargets = true;
+ if ( this.skinning === true ) data.skinning = true;
+
+ if ( this.visible === false ) data.visible = false;
+ if ( JSON.stringify( this.userData ) !== '{}' ) data.userData = this.userData;
+
+ // TODO: Copied from Object3D.toJSON
+
+ function extractFromCache( cache ) {
+
+ var values = [];
+
+ for ( var key in cache ) {
+
+ var data = cache[ key ];
+ delete data.metadata;
+ values.push( data );
+
+ }
+
+ return values;
+
+ }
+
+ if ( isRoot ) {
+
+ var textures = extractFromCache( meta.textures );
+ var images = extractFromCache( meta.images );
+
+ if ( textures.length > 0 ) data.textures = textures;
+ if ( images.length > 0 ) data.images = images;
+
+ }
+
+ return data;
+
+ },
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ },
+
+ copy: function ( source ) {
+
+ this.name = source.name;
+
+ this.fog = source.fog;
+ this.lights = source.lights;
+
+ this.blending = source.blending;
+ this.side = source.side;
+ this.flatShading = source.flatShading;
+ this.vertexColors = source.vertexColors;
+
+ this.opacity = source.opacity;
+ this.transparent = source.transparent;
+
+ this.blendSrc = source.blendSrc;
+ this.blendDst = source.blendDst;
+ this.blendEquation = source.blendEquation;
+ this.blendSrcAlpha = source.blendSrcAlpha;
+ this.blendDstAlpha = source.blendDstAlpha;
+ this.blendEquationAlpha = source.blendEquationAlpha;
+
+ this.depthFunc = source.depthFunc;
+ this.depthTest = source.depthTest;
+ this.depthWrite = source.depthWrite;
+
+ this.colorWrite = source.colorWrite;
+
+ this.precision = source.precision;
+
+ this.polygonOffset = source.polygonOffset;
+ this.polygonOffsetFactor = source.polygonOffsetFactor;
+ this.polygonOffsetUnits = source.polygonOffsetUnits;
+
+ this.dithering = source.dithering;
+
+ this.alphaTest = source.alphaTest;
+ this.premultipliedAlpha = source.premultipliedAlpha;
+
+ this.overdraw = source.overdraw;
+
+ this.visible = source.visible;
+ this.userData = JSON.parse( JSON.stringify( source.userData ) );
+
+ this.clipShadows = source.clipShadows;
+ this.clipIntersection = source.clipIntersection;
+
+ var srcPlanes = source.clippingPlanes,
+ dstPlanes = null;
+
+ if ( srcPlanes !== null ) {
+
+ var n = srcPlanes.length;
+ dstPlanes = new Array( n );
+
+ for ( var i = 0; i !== n; ++ i )
+ dstPlanes[ i ] = srcPlanes[ i ].clone();
+
+ }
+
+ this.clippingPlanes = dstPlanes;
+
+ return this;
+
+ },
+
+ dispose: function () {
+
+ this.dispatchEvent( { type: 'dispose' } );
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ * @author bhouston / https://clara.io
+ * @author WestLangley / http://github.com/WestLangley
+ *
+ * parameters = {
+ *
+ * opacity: <float>,
+ *
+ * map: new THREE.Texture( <Image> ),
+ *
+ * alphaMap: new THREE.Texture( <Image> ),
+ *
+ * displacementMap: new THREE.Texture( <Image> ),
+ * displacementScale: <float>,
+ * displacementBias: <float>,
+ *
+ * wireframe: <boolean>,
+ * wireframeLinewidth: <float>
+ * }
+ */
+
+ function MeshDepthMaterial( parameters ) {
+
+ Material.call( this );
+
+ this.type = 'MeshDepthMaterial';
+
+ this.depthPacking = BasicDepthPacking;
+
+ this.skinning = false;
+ this.morphTargets = false;
+
+ this.map = null;
+
+ this.alphaMap = null;
+
+ this.displacementMap = null;
+ this.displacementScale = 1;
+ this.displacementBias = 0;
+
+ this.wireframe = false;
+ this.wireframeLinewidth = 1;
+
+ this.fog = false;
+ this.lights = false;
+
+ this.setValues( parameters );
+
+ }
+
+ MeshDepthMaterial.prototype = Object.create( Material.prototype );
+ MeshDepthMaterial.prototype.constructor = MeshDepthMaterial;
+
+ MeshDepthMaterial.prototype.isMeshDepthMaterial = true;
+
+ MeshDepthMaterial.prototype.copy = function ( source ) {
+
+ Material.prototype.copy.call( this, source );
+
+ this.depthPacking = source.depthPacking;
+
+ this.skinning = source.skinning;
+ this.morphTargets = source.morphTargets;
+
+ this.map = source.map;
+
+ this.alphaMap = source.alphaMap;
+
+ this.displacementMap = source.displacementMap;
+ this.displacementScale = source.displacementScale;
+ this.displacementBias = source.displacementBias;
+
+ this.wireframe = source.wireframe;
+ this.wireframeLinewidth = source.wireframeLinewidth;
+
+ return this;
+
+ };
+
+ /**
+ * @author WestLangley / http://github.com/WestLangley
+ *
+ * parameters = {
+ *
+ * referencePosition: <float>,
+ * nearDistance: <float>,
+ * farDistance: <float>,
+ *
+ * skinning: <bool>,
+ * morphTargets: <bool>,
+ *
+ * map: new THREE.Texture( <Image> ),
+ *
+ * alphaMap: new THREE.Texture( <Image> ),
+ *
+ * displacementMap: new THREE.Texture( <Image> ),
+ * displacementScale: <float>,
+ * displacementBias: <float>
+ *
+ * }
+ */
+
+ function MeshDistanceMaterial( parameters ) {
+
+ Material.call( this );
+
+ this.type = 'MeshDistanceMaterial';
+
+ this.referencePosition = new Vector3();
+ this.nearDistance = 1;
+ this.farDistance = 1000;
+
+ this.skinning = false;
+ this.morphTargets = false;
+
+ this.map = null;
+
+ this.alphaMap = null;
+
+ this.displacementMap = null;
+ this.displacementScale = 1;
+ this.displacementBias = 0;
+
+ this.fog = false;
+ this.lights = false;
+
+ this.setValues( parameters );
+
+ }
+
+ MeshDistanceMaterial.prototype = Object.create( Material.prototype );
+ MeshDistanceMaterial.prototype.constructor = MeshDistanceMaterial;
+
+ MeshDistanceMaterial.prototype.isMeshDistanceMaterial = true;
+
+ MeshDistanceMaterial.prototype.copy = function ( source ) {
+
+ Material.prototype.copy.call( this, source );
+
+ this.referencePosition.copy( source.referencePosition );
+ this.nearDistance = source.nearDistance;
+ this.farDistance = source.farDistance;
+
+ this.skinning = source.skinning;
+ this.morphTargets = source.morphTargets;
+
+ this.map = source.map;
+
+ this.alphaMap = source.alphaMap;
+
+ this.displacementMap = source.displacementMap;
+ this.displacementScale = source.displacementScale;
+ this.displacementBias = source.displacementBias;
+
+ return this;
+
+ };
+
+ /**
+ * @author bhouston / http://clara.io
+ * @author WestLangley / http://github.com/WestLangley
+ */
+
+ function Box3( min, max ) {
+
+ this.min = ( min !== undefined ) ? min : new Vector3( + Infinity, + Infinity, + Infinity );
+ this.max = ( max !== undefined ) ? max : new Vector3( - Infinity, - Infinity, - Infinity );
+
+ }
+
+ Object.assign( Box3.prototype, {
+
+ isBox3: true,
+
+ set: function ( min, max ) {
+
+ this.min.copy( min );
+ this.max.copy( max );
+
+ return this;
+
+ },
+
+ setFromArray: function ( array ) {
+
+ var minX = + Infinity;
+ var minY = + Infinity;
+ var minZ = + Infinity;
+
+ var maxX = - Infinity;
+ var maxY = - Infinity;
+ var maxZ = - Infinity;
+
+ for ( var i = 0, l = array.length; i < l; i += 3 ) {
+
+ var x = array[ i ];
+ var y = array[ i + 1 ];
+ var z = array[ i + 2 ];
+
+ if ( x < minX ) minX = x;
+ if ( y < minY ) minY = y;
+ if ( z < minZ ) minZ = z;
+
+ if ( x > maxX ) maxX = x;
+ if ( y > maxY ) maxY = y;
+ if ( z > maxZ ) maxZ = z;
+
+ }
+
+ this.min.set( minX, minY, minZ );
+ this.max.set( maxX, maxY, maxZ );
+
+ return this;
+
+ },
+
+ setFromBufferAttribute: function ( attribute ) {
+
+ var minX = + Infinity;
+ var minY = + Infinity;
+ var minZ = + Infinity;
+
+ var maxX = - Infinity;
+ var maxY = - Infinity;
+ var maxZ = - Infinity;
+
+ for ( var i = 0, l = attribute.count; i < l; i ++ ) {
+
+ var x = attribute.getX( i );
+ var y = attribute.getY( i );
+ var z = attribute.getZ( i );
+
+ if ( x < minX ) minX = x;
+ if ( y < minY ) minY = y;
+ if ( z < minZ ) minZ = z;
+
+ if ( x > maxX ) maxX = x;
+ if ( y > maxY ) maxY = y;
+ if ( z > maxZ ) maxZ = z;
+
+ }
+
+ this.min.set( minX, minY, minZ );
+ this.max.set( maxX, maxY, maxZ );
+
+ return this;
+
+ },
+
+ setFromPoints: function ( points ) {
+
+ this.makeEmpty();
+
+ for ( var i = 0, il = points.length; i < il; i ++ ) {
+
+ this.expandByPoint( points[ i ] );
+
+ }
+
+ return this;
+
+ },
+
+ setFromCenterAndSize: function () {
+
+ var v1 = new Vector3();
+
+ return function setFromCenterAndSize( center, size ) {
+
+ var halfSize = v1.copy( size ).multiplyScalar( 0.5 );
+
+ this.min.copy( center ).sub( halfSize );
+ this.max.copy( center ).add( halfSize );
+
+ return this;
+
+ };
+
+ }(),
+
+ setFromObject: function ( object ) {
+
+ this.makeEmpty();
+
+ return this.expandByObject( object );
+
+ },
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ },
+
+ copy: function ( box ) {
+
+ this.min.copy( box.min );
+ this.max.copy( box.max );
+
+ return this;
+
+ },
+
+ makeEmpty: function () {
+
+ this.min.x = this.min.y = this.min.z = + Infinity;
+ this.max.x = this.max.y = this.max.z = - Infinity;
+
+ return this;
+
+ },
+
+ isEmpty: function () {
+
+ // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes
+
+ return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );
+
+ },
+
+ getCenter: function ( optionalTarget ) {
+
+ var result = optionalTarget || new Vector3();
+ return this.isEmpty() ? result.set( 0, 0, 0 ) : result.addVectors( this.min, this.max ).multiplyScalar( 0.5 );
+
+ },
+
+ getSize: function ( optionalTarget ) {
+
+ var result = optionalTarget || new Vector3();
+ return this.isEmpty() ? result.set( 0, 0, 0 ) : result.subVectors( this.max, this.min );
+
+ },
+
+ expandByPoint: function ( point ) {
+
+ this.min.min( point );
+ this.max.max( point );
+
+ return this;
+
+ },
+
+ expandByVector: function ( vector ) {
+
+ this.min.sub( vector );
+ this.max.add( vector );
+
+ return this;
+
+ },
+
+ expandByScalar: function ( scalar ) {
+
+ this.min.addScalar( - scalar );
+ this.max.addScalar( scalar );
+
+ return this;
+
+ },
+
+ expandByObject: function () {
+
+ // Computes the world-axis-aligned bounding box of an object (including its children),
+ // accounting for both the object's, and children's, world transforms
+
+ var scope, i, l;
+
+ var v1 = new Vector3();
+
+ function traverse( node ) {
+
+ var geometry = node.geometry;
+
+ if ( geometry !== undefined ) {
+
+ if ( geometry.isGeometry ) {
+
+ var vertices = geometry.vertices;
+
+ for ( i = 0, l = vertices.length; i < l; i ++ ) {
+
+ v1.copy( vertices[ i ] );
+ v1.applyMatrix4( node.matrixWorld );
+
+ scope.expandByPoint( v1 );
+
+ }
+
+ } else if ( geometry.isBufferGeometry ) {
+
+ var attribute = geometry.attributes.position;
+
+ if ( attribute !== undefined ) {
+
+ for ( i = 0, l = attribute.count; i < l; i ++ ) {
+
+ v1.fromBufferAttribute( attribute, i ).applyMatrix4( node.matrixWorld );
+
+ scope.expandByPoint( v1 );
+
+ }
+
+ }
+
+ }
+
+ }
+
+ }
+
+ return function expandByObject( object ) {
+
+ scope = this;
+
+ object.updateMatrixWorld( true );
+
+ object.traverse( traverse );
+
+ return this;
+
+ };
+
+ }(),
+
+ containsPoint: function ( point ) {
+
+ return point.x < this.min.x || point.x > this.max.x ||
+ point.y < this.min.y || point.y > this.max.y ||
+ point.z < this.min.z || point.z > this.max.z ? false : true;
+
+ },
+
+ containsBox: function ( box ) {
+
+ return this.min.x <= box.min.x && box.max.x <= this.max.x &&
+ this.min.y <= box.min.y && box.max.y <= this.max.y &&
+ this.min.z <= box.min.z && box.max.z <= this.max.z;
+
+ },
+
+ getParameter: function ( point, optionalTarget ) {
+
+ // This can potentially have a divide by zero if the box
+ // has a size dimension of 0.
+
+ var result = optionalTarget || new Vector3();
+
+ return result.set(
+ ( point.x - this.min.x ) / ( this.max.x - this.min.x ),
+ ( point.y - this.min.y ) / ( this.max.y - this.min.y ),
+ ( point.z - this.min.z ) / ( this.max.z - this.min.z )
+ );
+
+ },
+
+ intersectsBox: function ( box ) {
+
+ // using 6 splitting planes to rule out intersections.
+ return box.max.x < this.min.x || box.min.x > this.max.x ||
+ box.max.y < this.min.y || box.min.y > this.max.y ||
+ box.max.z < this.min.z || box.min.z > this.max.z ? false : true;
+
+ },
+
+ intersectsSphere: ( function () {
+
+ var closestPoint = new Vector3();
+
+ return function intersectsSphere( sphere ) {
+
+ // Find the point on the AABB closest to the sphere center.
+ this.clampPoint( sphere.center, closestPoint );
+
+ // If that point is inside the sphere, the AABB and sphere intersect.
+ return closestPoint.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );
+
+ };
+
+ } )(),
+
+ intersectsPlane: function ( plane ) {
+
+ // We compute the minimum and maximum dot product values. If those values
+ // are on the same side (back or front) of the plane, then there is no intersection.
+
+ var min, max;
+
+ if ( plane.normal.x > 0 ) {
+
+ min = plane.normal.x * this.min.x;
+ max = plane.normal.x * this.max.x;
+
+ } else {
+
+ min = plane.normal.x * this.max.x;
+ max = plane.normal.x * this.min.x;
+
+ }
+
+ if ( plane.normal.y > 0 ) {
+
+ min += plane.normal.y * this.min.y;
+ max += plane.normal.y * this.max.y;
+
+ } else {
+
+ min += plane.normal.y * this.max.y;
+ max += plane.normal.y * this.min.y;
+
+ }
+
+ if ( plane.normal.z > 0 ) {
+
+ min += plane.normal.z * this.min.z;
+ max += plane.normal.z * this.max.z;
+
+ } else {
+
+ min += plane.normal.z * this.max.z;
+ max += plane.normal.z * this.min.z;
+
+ }
+
+ return ( min <= plane.constant && max >= plane.constant );
+
+ },
+
+ clampPoint: function ( point, optionalTarget ) {
+
+ var result = optionalTarget || new Vector3();
+ return result.copy( point ).clamp( this.min, this.max );
+
+ },
+
+ distanceToPoint: function () {
+
+ var v1 = new Vector3();
+
+ return function distanceToPoint( point ) {
+
+ var clampedPoint = v1.copy( point ).clamp( this.min, this.max );
+ return clampedPoint.sub( point ).length();
+
+ };
+
+ }(),
+
+ getBoundingSphere: function () {
+
+ var v1 = new Vector3();
+
+ return function getBoundingSphere( optionalTarget ) {
+
+ var result = optionalTarget || new Sphere();
+
+ this.getCenter( result.center );
+
+ result.radius = this.getSize( v1 ).length() * 0.5;
+
+ return result;
+
+ };
+
+ }(),
+
+ intersect: function ( box ) {
+
+ this.min.max( box.min );
+ this.max.min( box.max );
+
+ // ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.
+ if ( this.isEmpty() ) this.makeEmpty();
+
+ return this;
+
+ },
+
+ union: function ( box ) {
+
+ this.min.min( box.min );
+ this.max.max( box.max );
+
+ return this;
+
+ },
+
+ applyMatrix4: function () {
+
+ var points = [
+ new Vector3(),
+ new Vector3(),
+ new Vector3(),
+ new Vector3(),
+ new Vector3(),
+ new Vector3(),
+ new Vector3(),
+ new Vector3()
+ ];
+
+ return function applyMatrix4( matrix ) {
+
+ // transform of empty box is an empty box.
+ if ( this.isEmpty() ) return this;
+
+ // NOTE: I am using a binary pattern to specify all 2^3 combinations below
+ points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000
+ points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001
+ points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010
+ points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011
+ points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100
+ points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101
+ points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110
+ points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111
+
+ this.setFromPoints( points );
+
+ return this;
+
+ };
+
+ }(),
+
+ translate: function ( offset ) {
+
+ this.min.add( offset );
+ this.max.add( offset );
+
+ return this;
+
+ },
+
+ equals: function ( box ) {
+
+ return box.min.equals( this.min ) && box.max.equals( this.max );
+
+ }
+
+ } );
+
+ /**
+ * @author bhouston / http://clara.io
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function Sphere( center, radius ) {
+
+ this.center = ( center !== undefined ) ? center : new Vector3();
+ this.radius = ( radius !== undefined ) ? radius : 0;
+
+ }
+
+ Object.assign( Sphere.prototype, {
+
+ set: function ( center, radius ) {
+
+ this.center.copy( center );
+ this.radius = radius;
+
+ return this;
+
+ },
+
+ setFromPoints: function () {
+
+ var box = new Box3();
+
+ return function setFromPoints( points, optionalCenter ) {
+
+ var center = this.center;
+
+ if ( optionalCenter !== undefined ) {
+
+ center.copy( optionalCenter );
+
+ } else {
+
+ box.setFromPoints( points ).getCenter( center );
+
+ }
+
+ var maxRadiusSq = 0;
+
+ for ( var i = 0, il = points.length; i < il; i ++ ) {
+
+ maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );
+
+ }
+
+ this.radius = Math.sqrt( maxRadiusSq );
+
+ return this;
+
+ };
+
+ }(),
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ },
+
+ copy: function ( sphere ) {
+
+ this.center.copy( sphere.center );
+ this.radius = sphere.radius;
+
+ return this;
+
+ },
+
+ empty: function () {
+
+ return ( this.radius <= 0 );
+
+ },
+
+ containsPoint: function ( point ) {
+
+ return ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );
+
+ },
+
+ distanceToPoint: function ( point ) {
+
+ return ( point.distanceTo( this.center ) - this.radius );
+
+ },
+
+ intersectsSphere: function ( sphere ) {
+
+ var radiusSum = this.radius + sphere.radius;
+
+ return sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );
+
+ },
+
+ intersectsBox: function ( box ) {
+
+ return box.intersectsSphere( this );
+
+ },
+
+ intersectsPlane: function ( plane ) {
+
+ return Math.abs( plane.distanceToPoint( this.center ) ) <= this.radius;
+
+ },
+
+ clampPoint: function ( point, optionalTarget ) {
+
+ var deltaLengthSq = this.center.distanceToSquared( point );
+
+ var result = optionalTarget || new Vector3();
+
+ result.copy( point );
+
+ if ( deltaLengthSq > ( this.radius * this.radius ) ) {
+
+ result.sub( this.center ).normalize();
+ result.multiplyScalar( this.radius ).add( this.center );
+
+ }
+
+ return result;
+
+ },
+
+ getBoundingBox: function ( optionalTarget ) {
+
+ var box = optionalTarget || new Box3();
+
+ box.set( this.center, this.center );
+ box.expandByScalar( this.radius );
+
+ return box;
+
+ },
+
+ applyMatrix4: function ( matrix ) {
+
+ this.center.applyMatrix4( matrix );
+ this.radius = this.radius * matrix.getMaxScaleOnAxis();
+
+ return this;
+
+ },
+
+ translate: function ( offset ) {
+
+ this.center.add( offset );
+
+ return this;
+
+ },
+
+ equals: function ( sphere ) {
+
+ return sphere.center.equals( this.center ) && ( sphere.radius === this.radius );
+
+ }
+
+ } );
+
+ /**
+ * @author bhouston / http://clara.io
+ */
+
+ function Plane( normal, constant ) {
+
+ // normal is assumed to be normalized
+
+ this.normal = ( normal !== undefined ) ? normal : new Vector3( 1, 0, 0 );
+ this.constant = ( constant !== undefined ) ? constant : 0;
+
+ }
+
+ Object.assign( Plane.prototype, {
+
+ set: function ( normal, constant ) {
+
+ this.normal.copy( normal );
+ this.constant = constant;
+
+ return this;
+
+ },
+
+ setComponents: function ( x, y, z, w ) {
+
+ this.normal.set( x, y, z );
+ this.constant = w;
+
+ return this;
+
+ },
+
+ setFromNormalAndCoplanarPoint: function ( normal, point ) {
+
+ this.normal.copy( normal );
+ this.constant = - point.dot( this.normal );
+
+ return this;
+
+ },
+
+ setFromCoplanarPoints: function () {
+
+ var v1 = new Vector3();
+ var v2 = new Vector3();
+
+ return function setFromCoplanarPoints( a, b, c ) {
+
+ var normal = v1.subVectors( c, b ).cross( v2.subVectors( a, b ) ).normalize();
+
+ // Q: should an error be thrown if normal is zero (e.g. degenerate plane)?
+
+ this.setFromNormalAndCoplanarPoint( normal, a );
+
+ return this;
+
+ };
+
+ }(),
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ },
+
+ copy: function ( plane ) {
+
+ this.normal.copy( plane.normal );
+ this.constant = plane.constant;
+
+ return this;
+
+ },
+
+ normalize: function () {
+
+ // Note: will lead to a divide by zero if the plane is invalid.
+
+ var inverseNormalLength = 1.0 / this.normal.length();
+ this.normal.multiplyScalar( inverseNormalLength );
+ this.constant *= inverseNormalLength;
+
+ return this;
+
+ },
+
+ negate: function () {
+
+ this.constant *= - 1;
+ this.normal.negate();
+
+ return this;
+
+ },
+
+ distanceToPoint: function ( point ) {
+
+ return this.normal.dot( point ) + this.constant;
+
+ },
+
+ distanceToSphere: function ( sphere ) {
+
+ return this.distanceToPoint( sphere.center ) - sphere.radius;
+
+ },
+
+ projectPoint: function ( point, optionalTarget ) {
+
+ var result = optionalTarget || new Vector3();
+
+ return result.copy( this.normal ).multiplyScalar( - this.distanceToPoint( point ) ).add( point );
+
+ },
+
+ intersectLine: function () {
+
+ var v1 = new Vector3();
+
+ return function intersectLine( line, optionalTarget ) {
+
+ var result = optionalTarget || new Vector3();
+
+ var direction = line.delta( v1 );
+
+ var denominator = this.normal.dot( direction );
+
+ if ( denominator === 0 ) {
+
+ // line is coplanar, return origin
+ if ( this.distanceToPoint( line.start ) === 0 ) {
+
+ return result.copy( line.start );
+
+ }
+
+ // Unsure if this is the correct method to handle this case.
+ return undefined;
+
+ }
+
+ var t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;
+
+ if ( t < 0 || t > 1 ) {
+
+ return undefined;
+
+ }
+
+ return result.copy( direction ).multiplyScalar( t ).add( line.start );
+
+ };
+
+ }(),
+
+ intersectsLine: function ( line ) {
+
+ // Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.
+
+ var startSign = this.distanceToPoint( line.start );
+ var endSign = this.distanceToPoint( line.end );
+
+ return ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );
+
+ },
+
+ intersectsBox: function ( box ) {
+
+ return box.intersectsPlane( this );
+
+ },
+
+ intersectsSphere: function ( sphere ) {
+
+ return sphere.intersectsPlane( this );
+
+ },
+
+ coplanarPoint: function ( optionalTarget ) {
+
+ var result = optionalTarget || new Vector3();
+
+ return result.copy( this.normal ).multiplyScalar( - this.constant );
+
+ },
+
+ applyMatrix4: function () {
+
+ var v1 = new Vector3();
+ var m1 = new Matrix3();
+
+ return function applyMatrix4( matrix, optionalNormalMatrix ) {
+
+ var normalMatrix = optionalNormalMatrix || m1.getNormalMatrix( matrix );
+
+ var referencePoint = this.coplanarPoint( v1 ).applyMatrix4( matrix );
+
+ var normal = this.normal.applyMatrix3( normalMatrix ).normalize();
+
+ this.constant = - referencePoint.dot( normal );
+
+ return this;
+
+ };
+
+ }(),
+
+ translate: function ( offset ) {
+
+ this.constant -= offset.dot( this.normal );
+
+ return this;
+
+ },
+
+ equals: function ( plane ) {
+
+ return plane.normal.equals( this.normal ) && ( plane.constant === this.constant );
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ * @author bhouston / http://clara.io
+ */
+
+ function Frustum( p0, p1, p2, p3, p4, p5 ) {
+
+ this.planes = [
+
+ ( p0 !== undefined ) ? p0 : new Plane(),
+ ( p1 !== undefined ) ? p1 : new Plane(),
+ ( p2 !== undefined ) ? p2 : new Plane(),
+ ( p3 !== undefined ) ? p3 : new Plane(),
+ ( p4 !== undefined ) ? p4 : new Plane(),
+ ( p5 !== undefined ) ? p5 : new Plane()
+
+ ];
+
+ }
+
+ Object.assign( Frustum.prototype, {
+
+ set: function ( p0, p1, p2, p3, p4, p5 ) {
+
+ var planes = this.planes;
+
+ planes[ 0 ].copy( p0 );
+ planes[ 1 ].copy( p1 );
+ planes[ 2 ].copy( p2 );
+ planes[ 3 ].copy( p3 );
+ planes[ 4 ].copy( p4 );
+ planes[ 5 ].copy( p5 );
+
+ return this;
+
+ },
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ },
+
+ copy: function ( frustum ) {
+
+ var planes = this.planes;
+
+ for ( var i = 0; i < 6; i ++ ) {
+
+ planes[ i ].copy( frustum.planes[ i ] );
+
+ }
+
+ return this;
+
+ },
+
+ setFromMatrix: function ( m ) {
+
+ var planes = this.planes;
+ var me = m.elements;
+ var me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];
+ var me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];
+ var me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];
+ var me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];
+
+ planes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();
+ planes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();
+ planes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();
+ planes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();
+ planes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();
+ planes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();
+
+ return this;
+
+ },
+
+ intersectsObject: function () {
+
+ var sphere = new Sphere();
+
+ return function intersectsObject( object ) {
+
+ var geometry = object.geometry;
+
+ if ( geometry.boundingSphere === null )
+ geometry.computeBoundingSphere();
+
+ sphere.copy( geometry.boundingSphere )
+ .applyMatrix4( object.matrixWorld );
+
+ return this.intersectsSphere( sphere );
+
+ };
+
+ }(),
+
+ intersectsSprite: function () {
+
+ var sphere = new Sphere();
+
+ return function intersectsSprite( sprite ) {
+
+ sphere.center.set( 0, 0, 0 );
+ sphere.radius = 0.7071067811865476;
+ sphere.applyMatrix4( sprite.matrixWorld );
+
+ return this.intersectsSphere( sphere );
+
+ };
+
+ }(),
+
+ intersectsSphere: function ( sphere ) {
+
+ var planes = this.planes;
+ var center = sphere.center;
+ var negRadius = - sphere.radius;
+
+ for ( var i = 0; i < 6; i ++ ) {
+
+ var distance = planes[ i ].distanceToPoint( center );
+
+ if ( distance < negRadius ) {
+
+ return false;
+
+ }
+
+ }
+
+ return true;
+
+ },
+
+ intersectsBox: function () {
+
+ var p1 = new Vector3(),
+ p2 = new Vector3();
+
+ return function intersectsBox( box ) {
+
+ var planes = this.planes;
+
+ for ( var i = 0; i < 6; i ++ ) {
+
+ var plane = planes[ i ];
+
+ p1.x = plane.normal.x > 0 ? box.min.x : box.max.x;
+ p2.x = plane.normal.x > 0 ? box.max.x : box.min.x;
+ p1.y = plane.normal.y > 0 ? box.min.y : box.max.y;
+ p2.y = plane.normal.y > 0 ? box.max.y : box.min.y;
+ p1.z = plane.normal.z > 0 ? box.min.z : box.max.z;
+ p2.z = plane.normal.z > 0 ? box.max.z : box.min.z;
+
+ var d1 = plane.distanceToPoint( p1 );
+ var d2 = plane.distanceToPoint( p2 );
+
+ // if both outside plane, no intersection
+
+ if ( d1 < 0 && d2 < 0 ) {
+
+ return false;
+
+ }
+
+ }
+
+ return true;
+
+ };
+
+ }(),
+
+ containsPoint: function ( point ) {
+
+ var planes = this.planes;
+
+ for ( var i = 0; i < 6; i ++ ) {
+
+ if ( planes[ i ].distanceToPoint( point ) < 0 ) {
+
+ return false;
+
+ }
+
+ }
+
+ return true;
+
+ }
+
+ } );
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function WebGLShadowMap( _renderer, _objects, maxTextureSize ) {
+
+ var _frustum = new Frustum(),
+ _projScreenMatrix = new Matrix4(),
+
+ _shadowMapSize = new Vector2(),
+ _maxShadowMapSize = new Vector2( maxTextureSize, maxTextureSize ),
+
+ _lookTarget = new Vector3(),
+ _lightPositionWorld = new Vector3(),
+
+ _MorphingFlag = 1,
+ _SkinningFlag = 2,
+
+ _NumberOfMaterialVariants = ( _MorphingFlag | _SkinningFlag ) + 1,
+
+ _depthMaterials = new Array( _NumberOfMaterialVariants ),
+ _distanceMaterials = new Array( _NumberOfMaterialVariants ),
+
+ _materialCache = {};
+
+ var cubeDirections = [
+ new Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),
+ new Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )
+ ];
+
+ var cubeUps = [
+ new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),
+ new Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ), new Vector3( 0, 0, - 1 )
+ ];
+
+ var cube2DViewPorts = [
+ new Vector4(), new Vector4(), new Vector4(),
+ new Vector4(), new Vector4(), new Vector4()
+ ];
+
+ // init
+
+ for ( var i = 0; i !== _NumberOfMaterialVariants; ++ i ) {
+
+ var useMorphing = ( i & _MorphingFlag ) !== 0;
+ var useSkinning = ( i & _SkinningFlag ) !== 0;
+
+ var depthMaterial = new MeshDepthMaterial( {
+
+ depthPacking: RGBADepthPacking,
+
+ morphTargets: useMorphing,
+ skinning: useSkinning
+
+ } );
+
+ _depthMaterials[ i ] = depthMaterial;
+
+ //
+
+ var distanceMaterial = new MeshDistanceMaterial( {
+
+ morphTargets: useMorphing,
+ skinning: useSkinning
+
+ } );
+
+ _distanceMaterials[ i ] = distanceMaterial;
+
+ }
+
+ //
+
+ var scope = this;
+
+ this.enabled = false;
+
+ this.autoUpdate = true;
+ this.needsUpdate = false;
+
+ this.type = PCFShadowMap;
+
+ this.renderReverseSided = true;
+ this.renderSingleSided = true;
+
+ this.render = function ( lights, scene, camera ) {
+
+ if ( scope.enabled === false ) return;
+ if ( scope.autoUpdate === false && scope.needsUpdate === false ) return;
+
+ if ( lights.length === 0 ) return;
+
+ // TODO Clean up (needed in case of contextlost)
+ var _gl = _renderer.context;
+ var _state = _renderer.state;
+
+ // Set GL state for depth map.
+ _state.disable( _gl.BLEND );
+ _state.buffers.color.setClear( 1, 1, 1, 1 );
+ _state.buffers.depth.setTest( true );
+ _state.setScissorTest( false );
+
+ // render depth map
+
+ var faceCount;
+
+ for ( var i = 0, il = lights.length; i < il; i ++ ) {
+
+ var light = lights[ i ];
+ var shadow = light.shadow;
+ var isPointLight = light && light.isPointLight;
+
+ if ( shadow === undefined ) {
+
+ console.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );
+ continue;
+
+ }
+
+ var shadowCamera = shadow.camera;
+
+ _shadowMapSize.copy( shadow.mapSize );
+ _shadowMapSize.min( _maxShadowMapSize );
+
+ if ( isPointLight ) {
+
+ var vpWidth = _shadowMapSize.x;
+ var vpHeight = _shadowMapSize.y;
+
+ // These viewports map a cube-map onto a 2D texture with the
+ // following orientation:
+ //
+ // xzXZ
+ // y Y
+ //
+ // X - Positive x direction
+ // x - Negative x direction
+ // Y - Positive y direction
+ // y - Negative y direction
+ // Z - Positive z direction
+ // z - Negative z direction
+
+ // positive X
+ cube2DViewPorts[ 0 ].set( vpWidth * 2, vpHeight, vpWidth, vpHeight );
+ // negative X
+ cube2DViewPorts[ 1 ].set( 0, vpHeight, vpWidth, vpHeight );
+ // positive Z
+ cube2DViewPorts[ 2 ].set( vpWidth * 3, vpHeight, vpWidth, vpHeight );
+ // negative Z
+ cube2DViewPorts[ 3 ].set( vpWidth, vpHeight, vpWidth, vpHeight );
+ // positive Y
+ cube2DViewPorts[ 4 ].set( vpWidth * 3, 0, vpWidth, vpHeight );
+ // negative Y
+ cube2DViewPorts[ 5 ].set( vpWidth, 0, vpWidth, vpHeight );
+
+ _shadowMapSize.x *= 4.0;
+ _shadowMapSize.y *= 2.0;
+
+ }
+
+ if ( shadow.map === null ) {
+
+ var pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat };
+
+ shadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );
+ shadow.map.texture.name = light.name + ".shadowMap";
+
+ shadowCamera.updateProjectionMatrix();
+
+ }
+
+ if ( shadow.isSpotLightShadow ) {
+
+ shadow.update( light );
+
+ }
+
+ var shadowMap = shadow.map;
+ var shadowMatrix = shadow.matrix;
+
+ _lightPositionWorld.setFromMatrixPosition( light.matrixWorld );
+ shadowCamera.position.copy( _lightPositionWorld );
+
+ if ( isPointLight ) {
+
+ faceCount = 6;
+
+ // for point lights we set the shadow matrix to be a translation-only matrix
+ // equal to inverse of the light's position
+
+ shadowMatrix.makeTranslation( - _lightPositionWorld.x, - _lightPositionWorld.y, - _lightPositionWorld.z );
+
+ } else {
+
+ faceCount = 1;
+
+ _lookTarget.setFromMatrixPosition( light.target.matrixWorld );
+ shadowCamera.lookAt( _lookTarget );
+ shadowCamera.updateMatrixWorld();
+
+ // compute shadow matrix
+
+ shadowMatrix.set(
+ 0.5, 0.0, 0.0, 0.5,
+ 0.0, 0.5, 0.0, 0.5,
+ 0.0, 0.0, 0.5, 0.5,
+ 0.0, 0.0, 0.0, 1.0
+ );
+
+ shadowMatrix.multiply( shadowCamera.projectionMatrix );
+ shadowMatrix.multiply( shadowCamera.matrixWorldInverse );
+
+ }
+
+ _renderer.setRenderTarget( shadowMap );
+ _renderer.clear();
+
+ // render shadow map for each cube face (if omni-directional) or
+ // run a single pass if not
+
+ for ( var face = 0; face < faceCount; face ++ ) {
+
+ if ( isPointLight ) {
+
+ _lookTarget.copy( shadowCamera.position );
+ _lookTarget.add( cubeDirections[ face ] );
+ shadowCamera.up.copy( cubeUps[ face ] );
+ shadowCamera.lookAt( _lookTarget );
+ shadowCamera.updateMatrixWorld();
+
+ var vpDimensions = cube2DViewPorts[ face ];
+ _state.viewport( vpDimensions );
+
+ }
+
+ // update camera matrices and frustum
+
+ _projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );
+ _frustum.setFromMatrix( _projScreenMatrix );
+
+ // set object matrices & frustum culling
+
+ renderObject( scene, camera, shadowCamera, isPointLight );
+
+ }
+
+ }
+
+ scope.needsUpdate = false;
+
+ };
+
+ function getDepthMaterial( object, material, isPointLight, lightPositionWorld, shadowCameraNear, shadowCameraFar ) {
+
+ var geometry = object.geometry;
+
+ var result = null;
+
+ var materialVariants = _depthMaterials;
+ var customMaterial = object.customDepthMaterial;
+
+ if ( isPointLight ) {
+
+ materialVariants = _distanceMaterials;
+ customMaterial = object.customDistanceMaterial;
+
+ }
+
+ if ( ! customMaterial ) {
+
+ var useMorphing = false;
+
+ if ( material.morphTargets ) {
+
+ if ( geometry && geometry.isBufferGeometry ) {
+
+ useMorphing = geometry.morphAttributes && geometry.morphAttributes.position && geometry.morphAttributes.position.length > 0;
+
+ } else if ( geometry && geometry.isGeometry ) {
+
+ useMorphing = geometry.morphTargets && geometry.morphTargets.length > 0;
+
+ }
+
+ }
+
+ if ( object.isSkinnedMesh && material.skinning === false ) {
+
+ console.warn( 'THREE.WebGLShadowMap: THREE.SkinnedMesh with material.skinning set to false:', object );
+
+ }
+
+ var useSkinning = object.isSkinnedMesh && material.skinning;
+
+ var variantIndex = 0;
+
+ if ( useMorphing ) variantIndex |= _MorphingFlag;
+ if ( useSkinning ) variantIndex |= _SkinningFlag;
+
+ result = materialVariants[ variantIndex ];
+
+ } else {
+
+ result = customMaterial;
+
+ }
+
+ if ( _renderer.localClippingEnabled &&
+ material.clipShadows === true &&
+ material.clippingPlanes.length !== 0 ) {
+
+ // in this case we need a unique material instance reflecting the
+ // appropriate state
+
+ var keyA = result.uuid, keyB = material.uuid;
+
+ var materialsForVariant = _materialCache[ keyA ];
+
+ if ( materialsForVariant === undefined ) {
+
+ materialsForVariant = {};
+ _materialCache[ keyA ] = materialsForVariant;
+
+ }
+
+ var cachedMaterial = materialsForVariant[ keyB ];
+
+ if ( cachedMaterial === undefined ) {
+
+ cachedMaterial = result.clone();
+ materialsForVariant[ keyB ] = cachedMaterial;
+
+ }
+
+ result = cachedMaterial;
+
+ }
+
+ result.visible = material.visible;
+ result.wireframe = material.wireframe;
+
+ var side = material.side;
+
+ if ( scope.renderSingleSided && side == DoubleSide ) {
+
+ side = FrontSide;
+
+ }
+
+ if ( scope.renderReverseSided ) {
+
+ if ( side === FrontSide ) side = BackSide;
+ else if ( side === BackSide ) side = FrontSide;
+
+ }
+
+ result.side = side;
+
+ result.clipShadows = material.clipShadows;
+ result.clippingPlanes = material.clippingPlanes;
+ result.clipIntersection = material.clipIntersection;
+
+ result.wireframeLinewidth = material.wireframeLinewidth;
+ result.linewidth = material.linewidth;
+
+ if ( isPointLight && result.isMeshDistanceMaterial ) {
+
+ result.referencePosition.copy( lightPositionWorld );
+ result.nearDistance = shadowCameraNear;
+ result.farDistance = shadowCameraFar;
+
+ }
+
+ return result;
+
+ }
+
+ function renderObject( object, camera, shadowCamera, isPointLight ) {
+
+ if ( object.visible === false ) return;
+
+ var visible = object.layers.test( camera.layers );
+
+ if ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {
+
+ if ( object.castShadow && ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) ) {
+
+ object.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );
+
+ var geometry = _objects.update( object );
+ var material = object.material;
+
+ if ( Array.isArray( material ) ) {
+
+ var groups = geometry.groups;
+
+ for ( var k = 0, kl = groups.length; k < kl; k ++ ) {
+
+ var group = groups[ k ];
+ var groupMaterial = material[ group.materialIndex ];
+
+ if ( groupMaterial && groupMaterial.visible ) {
+
+ var depthMaterial = getDepthMaterial( object, groupMaterial, isPointLight, _lightPositionWorld, shadowCamera.near, shadowCamera.far );
+ _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );
+
+ }
+
+ }
+
+ } else if ( material.visible ) {
+
+ var depthMaterial = getDepthMaterial( object, material, isPointLight, _lightPositionWorld, shadowCamera.near, shadowCamera.far );
+ _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );
+
+ }
+
+ }
+
+ }
+
+ var children = object.children;
+
+ for ( var i = 0, l = children.length; i < l; i ++ ) {
+
+ renderObject( children[ i ], camera, shadowCamera, isPointLight );
+
+ }
+
+ }
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function WebGLAttributes( gl ) {
+
+ var buffers = {};
+
+ function createBuffer( attribute, bufferType ) {
+
+ var array = attribute.array;
+ var usage = attribute.dynamic ? gl.DYNAMIC_DRAW : gl.STATIC_DRAW;
+
+ var buffer = gl.createBuffer();
+
+ gl.bindBuffer( bufferType, buffer );
+ gl.bufferData( bufferType, array, usage );
+
+ attribute.onUploadCallback();
+
+ var type = gl.FLOAT;
+
+ if ( array instanceof Float32Array ) {
+
+ type = gl.FLOAT;
+
+ } else if ( array instanceof Float64Array ) {
+
+ console.warn( 'THREE.WebGLAttributes: Unsupported data buffer format: Float64Array.' );
+
+ } else if ( array instanceof Uint16Array ) {
+
+ type = gl.UNSIGNED_SHORT;
+
+ } else if ( array instanceof Int16Array ) {
+
+ type = gl.SHORT;
+
+ } else if ( array instanceof Uint32Array ) {
+
+ type = gl.UNSIGNED_INT;
+
+ } else if ( array instanceof Int32Array ) {
+
+ type = gl.INT;
+
+ } else if ( array instanceof Int8Array ) {
+
+ type = gl.BYTE;
+
+ } else if ( array instanceof Uint8Array ) {
+
+ type = gl.UNSIGNED_BYTE;
+
+ }
+
+ return {
+ buffer: buffer,
+ type: type,
+ bytesPerElement: array.BYTES_PER_ELEMENT,
+ version: attribute.version
+ };
+
+ }
+
+ function updateBuffer( buffer, attribute, bufferType ) {
+
+ var array = attribute.array;
+ var updateRange = attribute.updateRange;
+
+ gl.bindBuffer( bufferType, buffer );
+
+ if ( attribute.dynamic === false ) {
+
+ gl.bufferData( bufferType, array, gl.STATIC_DRAW );
+
+ } else if ( updateRange.count === - 1 ) {
+
+ // Not using update ranges
+
+ gl.bufferSubData( bufferType, 0, array );
+
+ } else if ( updateRange.count === 0 ) {
+
+ console.error( 'THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually.' );
+
+ } else {
+
+ gl.bufferSubData( bufferType, updateRange.offset * array.BYTES_PER_ELEMENT,
+ array.subarray( updateRange.offset, updateRange.offset + updateRange.count ) );
+
+ updateRange.count = - 1; // reset range
+
+ }
+
+ }
+
+ //
+
+ function get( attribute ) {
+
+ if ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;
+
+ return buffers[ attribute.uuid ];
+
+ }
+
+ function remove( attribute ) {
+
+ if ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;
+
+ var data = buffers[ attribute.uuid ];
+
+ if ( data ) {
+
+ gl.deleteBuffer( data.buffer );
+
+ delete buffers[ attribute.uuid ];
+
+ }
+
+ }
+
+ function update( attribute, bufferType ) {
+
+ if ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;
+
+ var data = buffers[ attribute.uuid ];
+
+ if ( data === undefined ) {
+
+ buffers[ attribute.uuid ] = createBuffer( attribute, bufferType );
+
+ } else if ( data.version < attribute.version ) {
+
+ updateBuffer( data.buffer, attribute, bufferType );
+
+ data.version = attribute.version;
+
+ }
+
+ }
+
+ return {
+
+ get: get,
+ remove: remove,
+ update: update
+
+ };
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author WestLangley / http://github.com/WestLangley
+ * @author bhouston / http://clara.io
+ */
+
+ function Euler( x, y, z, order ) {
+
+ this._x = x || 0;
+ this._y = y || 0;
+ this._z = z || 0;
+ this._order = order || Euler.DefaultOrder;
+
+ }
+
+ Euler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ];
+
+ Euler.DefaultOrder = 'XYZ';
+
+ Object.defineProperties( Euler.prototype, {
+
+ x: {
+
+ get: function () {
+
+ return this._x;
+
+ },
+
+ set: function ( value ) {
+
+ this._x = value;
+ this.onChangeCallback();
+
+ }
+
+ },
+
+ y: {
+
+ get: function () {
+
+ return this._y;
+
+ },
+
+ set: function ( value ) {
+
+ this._y = value;
+ this.onChangeCallback();
+
+ }
+
+ },
+
+ z: {
+
+ get: function () {
+
+ return this._z;
+
+ },
+
+ set: function ( value ) {
+
+ this._z = value;
+ this.onChangeCallback();
+
+ }
+
+ },
+
+ order: {
+
+ get: function () {
+
+ return this._order;
+
+ },
+
+ set: function ( value ) {
+
+ this._order = value;
+ this.onChangeCallback();
+
+ }
+
+ }
+
+ } );
+
+ Object.assign( Euler.prototype, {
+
+ isEuler: true,
+
+ set: function ( x, y, z, order ) {
+
+ this._x = x;
+ this._y = y;
+ this._z = z;
+ this._order = order || this._order;
+
+ this.onChangeCallback();
+
+ return this;
+
+ },
+
+ clone: function () {
+
+ return new this.constructor( this._x, this._y, this._z, this._order );
+
+ },
+
+ copy: function ( euler ) {
+
+ this._x = euler._x;
+ this._y = euler._y;
+ this._z = euler._z;
+ this._order = euler._order;
+
+ this.onChangeCallback();
+
+ return this;
+
+ },
+
+ setFromRotationMatrix: function ( m, order, update ) {
+
+ var clamp = _Math.clamp;
+
+ // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)
+
+ var te = m.elements;
+ var m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];
+ var m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];
+ var m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];
+
+ order = order || this._order;
+
+ if ( order === 'XYZ' ) {
+
+ this._y = Math.asin( clamp( m13, - 1, 1 ) );
+
+ if ( Math.abs( m13 ) < 0.99999 ) {
+
+ this._x = Math.atan2( - m23, m33 );
+ this._z = Math.atan2( - m12, m11 );
+
+ } else {
+
+ this._x = Math.atan2( m32, m22 );
+ this._z = 0;
+
+ }
+
+ } else if ( order === 'YXZ' ) {
+
+ this._x = Math.asin( - clamp( m23, - 1, 1 ) );
+
+ if ( Math.abs( m23 ) < 0.99999 ) {
+
+ this._y = Math.atan2( m13, m33 );
+ this._z = Math.atan2( m21, m22 );
+
+ } else {
+
+ this._y = Math.atan2( - m31, m11 );
+ this._z = 0;
+
+ }
+
+ } else if ( order === 'ZXY' ) {
+
+ this._x = Math.asin( clamp( m32, - 1, 1 ) );
+
+ if ( Math.abs( m32 ) < 0.99999 ) {
+
+ this._y = Math.atan2( - m31, m33 );
+ this._z = Math.atan2( - m12, m22 );
+
+ } else {
+
+ this._y = 0;
+ this._z = Math.atan2( m21, m11 );
+
+ }
+
+ } else if ( order === 'ZYX' ) {
+
+ this._y = Math.asin( - clamp( m31, - 1, 1 ) );
+
+ if ( Math.abs( m31 ) < 0.99999 ) {
+
+ this._x = Math.atan2( m32, m33 );
+ this._z = Math.atan2( m21, m11 );
+
+ } else {
+
+ this._x = 0;
+ this._z = Math.atan2( - m12, m22 );
+
+ }
+
+ } else if ( order === 'YZX' ) {
+
+ this._z = Math.asin( clamp( m21, - 1, 1 ) );
+
+ if ( Math.abs( m21 ) < 0.99999 ) {
+
+ this._x = Math.atan2( - m23, m22 );
+ this._y = Math.atan2( - m31, m11 );
+
+ } else {
+
+ this._x = 0;
+ this._y = Math.atan2( m13, m33 );
+
+ }
+
+ } else if ( order === 'XZY' ) {
+
+ this._z = Math.asin( - clamp( m12, - 1, 1 ) );
+
+ if ( Math.abs( m12 ) < 0.99999 ) {
+
+ this._x = Math.atan2( m32, m22 );
+ this._y = Math.atan2( m13, m11 );
+
+ } else {
+
+ this._x = Math.atan2( - m23, m33 );
+ this._y = 0;
+
+ }
+
+ } else {
+
+ console.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order );
+
+ }
+
+ this._order = order;
+
+ if ( update !== false ) this.onChangeCallback();
+
+ return this;
+
+ },
+
+ setFromQuaternion: function () {
+
+ var matrix = new Matrix4();
+
+ return function setFromQuaternion( q, order, update ) {
+
+ matrix.makeRotationFromQuaternion( q );
+
+ return this.setFromRotationMatrix( matrix, order, update );
+
+ };
+
+ }(),
+
+ setFromVector3: function ( v, order ) {
+
+ return this.set( v.x, v.y, v.z, order || this._order );
+
+ },
+
+ reorder: function () {
+
+ // WARNING: this discards revolution information -bhouston
+
+ var q = new Quaternion();
+
+ return function reorder( newOrder ) {
+
+ q.setFromEuler( this );
+
+ return this.setFromQuaternion( q, newOrder );
+
+ };
+
+ }(),
+
+ equals: function ( euler ) {
+
+ return ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );
+
+ },
+
+ fromArray: function ( array ) {
+
+ this._x = array[ 0 ];
+ this._y = array[ 1 ];
+ this._z = array[ 2 ];
+ if ( array[ 3 ] !== undefined ) this._order = array[ 3 ];
+
+ this.onChangeCallback();
+
+ return this;
+
+ },
+
+ toArray: function ( array, offset ) {
+
+ if ( array === undefined ) array = [];
+ if ( offset === undefined ) offset = 0;
+
+ array[ offset ] = this._x;
+ array[ offset + 1 ] = this._y;
+ array[ offset + 2 ] = this._z;
+ array[ offset + 3 ] = this._order;
+
+ return array;
+
+ },
+
+ toVector3: function ( optionalResult ) {
+
+ if ( optionalResult ) {
+
+ return optionalResult.set( this._x, this._y, this._z );
+
+ } else {
+
+ return new Vector3( this._x, this._y, this._z );
+
+ }
+
+ },
+
+ onChange: function ( callback ) {
+
+ this.onChangeCallback = callback;
+
+ return this;
+
+ },
+
+ onChangeCallback: function () {}
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function Layers() {
+
+ this.mask = 1 | 0;
+
+ }
+
+ Object.assign( Layers.prototype, {
+
+ set: function ( channel ) {
+
+ this.mask = 1 << channel | 0;
+
+ },
+
+ enable: function ( channel ) {
+
+ this.mask |= 1 << channel | 0;
+
+ },
+
+ toggle: function ( channel ) {
+
+ this.mask ^= 1 << channel | 0;
+
+ },
+
+ disable: function ( channel ) {
+
+ this.mask &= ~ ( 1 << channel | 0 );
+
+ },
+
+ test: function ( layers ) {
+
+ return ( this.mask & layers.mask ) !== 0;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author mikael emtinger / http://gomo.se/
+ * @author alteredq / http://alteredqualia.com/
+ * @author WestLangley / http://github.com/WestLangley
+ * @author elephantatwork / www.elephantatwork.ch
+ */
+
+ var object3DId = 0;
+
+ function Object3D() {
+
+ Object.defineProperty( this, 'id', { value: object3DId ++ } );
+
+ this.uuid = _Math.generateUUID();
+
+ this.name = '';
+ this.type = 'Object3D';
+
+ this.parent = null;
+ this.children = [];
+
+ this.up = Object3D.DefaultUp.clone();
+
+ var position = new Vector3();
+ var rotation = new Euler();
+ var quaternion = new Quaternion();
+ var scale = new Vector3( 1, 1, 1 );
+
+ function onRotationChange() {
+
+ quaternion.setFromEuler( rotation, false );
+
+ }
+
+ function onQuaternionChange() {
+
+ rotation.setFromQuaternion( quaternion, undefined, false );
+
+ }
+
+ rotation.onChange( onRotationChange );
+ quaternion.onChange( onQuaternionChange );
+
+ Object.defineProperties( this, {
+ position: {
+ enumerable: true,
+ value: position
+ },
+ rotation: {
+ enumerable: true,
+ value: rotation
+ },
+ quaternion: {
+ enumerable: true,
+ value: quaternion
+ },
+ scale: {
+ enumerable: true,
+ value: scale
+ },
+ modelViewMatrix: {
+ value: new Matrix4()
+ },
+ normalMatrix: {
+ value: new Matrix3()
+ }
+ } );
+
+ this.matrix = new Matrix4();
+ this.matrixWorld = new Matrix4();
+
+ this.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate;
+ this.matrixWorldNeedsUpdate = false;
+
+ this.layers = new Layers();
+ this.visible = true;
+
+ this.castShadow = false;
+ this.receiveShadow = false;
+
+ this.frustumCulled = true;
+ this.renderOrder = 0;
+
+ this.userData = {};
+
+ }
+
+ Object3D.DefaultUp = new Vector3( 0, 1, 0 );
+ Object3D.DefaultMatrixAutoUpdate = true;
+
+ Object3D.prototype = Object.assign( Object.create( EventDispatcher.prototype ), {
+
+ constructor: Object3D,
+
+ isObject3D: true,
+
+ onBeforeRender: function () {},
+ onAfterRender: function () {},
+
+ applyMatrix: function ( matrix ) {
+
+ this.matrix.multiplyMatrices( matrix, this.matrix );
+
+ this.matrix.decompose( this.position, this.quaternion, this.scale );
+
+ },
+
+ applyQuaternion: function ( q ) {
+
+ this.quaternion.premultiply( q );
+
+ return this;
+
+ },
+
+ setRotationFromAxisAngle: function ( axis, angle ) {
+
+ // assumes axis is normalized
+
+ this.quaternion.setFromAxisAngle( axis, angle );
+
+ },
+
+ setRotationFromEuler: function ( euler ) {
+
+ this.quaternion.setFromEuler( euler, true );
+
+ },
+
+ setRotationFromMatrix: function ( m ) {
+
+ // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)
+
+ this.quaternion.setFromRotationMatrix( m );
+
+ },
+
+ setRotationFromQuaternion: function ( q ) {
+
+ // assumes q is normalized
+
+ this.quaternion.copy( q );
+
+ },
+
+ rotateOnAxis: function () {
+
+ // rotate object on axis in object space
+ // axis is assumed to be normalized
+
+ var q1 = new Quaternion();
+
+ return function rotateOnAxis( axis, angle ) {
+
+ q1.setFromAxisAngle( axis, angle );
+
+ this.quaternion.multiply( q1 );
+
+ return this;
+
+ };
+
+ }(),
+
+ rotateOnWorldAxis: function () {
+
+ // rotate object on axis in world space
+ // axis is assumed to be normalized
+ // method assumes no rotated parent
+
+ var q1 = new Quaternion();
+
+ return function rotateOnWorldAxis( axis, angle ) {
+
+ q1.setFromAxisAngle( axis, angle );
+
+ this.quaternion.premultiply( q1 );
+
+ return this;
+
+ };
+
+ }(),
+
+ rotateX: function () {
+
+ var v1 = new Vector3( 1, 0, 0 );
+
+ return function rotateX( angle ) {
+
+ return this.rotateOnAxis( v1, angle );
+
+ };
+
+ }(),
+
+ rotateY: function () {
+
+ var v1 = new Vector3( 0, 1, 0 );
+
+ return function rotateY( angle ) {
+
+ return this.rotateOnAxis( v1, angle );
+
+ };
+
+ }(),
+
+ rotateZ: function () {
+
+ var v1 = new Vector3( 0, 0, 1 );
+
+ return function rotateZ( angle ) {
+
+ return this.rotateOnAxis( v1, angle );
+
+ };
+
+ }(),
+
+ translateOnAxis: function () {
+
+ // translate object by distance along axis in object space
+ // axis is assumed to be normalized
+
+ var v1 = new Vector3();
+
+ return function translateOnAxis( axis, distance ) {
+
+ v1.copy( axis ).applyQuaternion( this.quaternion );
+
+ this.position.add( v1.multiplyScalar( distance ) );
+
+ return this;
+
+ };
+
+ }(),
+
+ translateX: function () {
+
+ var v1 = new Vector3( 1, 0, 0 );
+
+ return function translateX( distance ) {
+
+ return this.translateOnAxis( v1, distance );
+
+ };
+
+ }(),
+
+ translateY: function () {
+
+ var v1 = new Vector3( 0, 1, 0 );
+
+ return function translateY( distance ) {
+
+ return this.translateOnAxis( v1, distance );
+
+ };
+
+ }(),
+
+ translateZ: function () {
+
+ var v1 = new Vector3( 0, 0, 1 );
+
+ return function translateZ( distance ) {
+
+ return this.translateOnAxis( v1, distance );
+
+ };
+
+ }(),
+
+ localToWorld: function ( vector ) {
+
+ return vector.applyMatrix4( this.matrixWorld );
+
+ },
+
+ worldToLocal: function () {
+
+ var m1 = new Matrix4();
+
+ return function worldToLocal( vector ) {
+
+ return vector.applyMatrix4( m1.getInverse( this.matrixWorld ) );
+
+ };
+
+ }(),
+
+ lookAt: function () {
+
+ // This method does not support objects with rotated and/or translated parent(s)
+
+ var m1 = new Matrix4();
+ var vector = new Vector3();
+
+ return function lookAt( x, y, z ) {
+
+ if ( x.isVector3 ) {
+
+ vector.copy( x );
+
+ } else {
+
+ vector.set( x, y, z );
+
+ }
+
+ if ( this.isCamera ) {
+
+ m1.lookAt( this.position, vector, this.up );
+
+ } else {
+
+ m1.lookAt( vector, this.position, this.up );
+
+ }
+
+ this.quaternion.setFromRotationMatrix( m1 );
+
+ };
+
+ }(),
+
+ add: function ( object ) {
+
+ if ( arguments.length > 1 ) {
+
+ for ( var i = 0; i < arguments.length; i ++ ) {
+
+ this.add( arguments[ i ] );
+
+ }
+
+ return this;
+
+ }
+
+ if ( object === this ) {
+
+ console.error( "THREE.Object3D.add: object can't be added as a child of itself.", object );
+ return this;
+
+ }
+
+ if ( ( object && object.isObject3D ) ) {
+
+ if ( object.parent !== null ) {
+
+ object.parent.remove( object );
+
+ }
+
+ object.parent = this;
+ object.dispatchEvent( { type: 'added' } );
+
+ this.children.push( object );
+
+ } else {
+
+ console.error( "THREE.Object3D.add: object not an instance of THREE.Object3D.", object );
+
+ }
+
+ return this;
+
+ },
+
+ remove: function ( object ) {
+
+ if ( arguments.length > 1 ) {
+
+ for ( var i = 0; i < arguments.length; i ++ ) {
+
+ this.remove( arguments[ i ] );
+
+ }
+
+ return this;
+
+ }
+
+ var index = this.children.indexOf( object );
+
+ if ( index !== - 1 ) {
+
+ object.parent = null;
+
+ object.dispatchEvent( { type: 'removed' } );
+
+ this.children.splice( index, 1 );
+
+ }
+
+ return this;
+
+ },
+
+ getObjectById: function ( id ) {
+
+ return this.getObjectByProperty( 'id', id );
+
+ },
+
+ getObjectByName: function ( name ) {
+
+ return this.getObjectByProperty( 'name', name );
+
+ },
+
+ getObjectByProperty: function ( name, value ) {
+
+ if ( this[ name ] === value ) return this;
+
+ for ( var i = 0, l = this.children.length; i < l; i ++ ) {
+
+ var child = this.children[ i ];
+ var object = child.getObjectByProperty( name, value );
+
+ if ( object !== undefined ) {
+
+ return object;
+
+ }
+
+ }
+
+ return undefined;
+
+ },
+
+ getWorldPosition: function ( optionalTarget ) {
+
+ var result = optionalTarget || new Vector3();
+
+ this.updateMatrixWorld( true );
+
+ return result.setFromMatrixPosition( this.matrixWorld );
+
+ },
+
+ getWorldQuaternion: function () {
+
+ var position = new Vector3();
+ var scale = new Vector3();
+
+ return function getWorldQuaternion( optionalTarget ) {
+
+ var result = optionalTarget || new Quaternion();
+
+ this.updateMatrixWorld( true );
+
+ this.matrixWorld.decompose( position, result, scale );
+
+ return result;
+
+ };
+
+ }(),
+
+ getWorldRotation: function () {
+
+ var quaternion = new Quaternion();
+
+ return function getWorldRotation( optionalTarget ) {
+
+ var result = optionalTarget || new Euler();
+
+ this.getWorldQuaternion( quaternion );
+
+ return result.setFromQuaternion( quaternion, this.rotation.order, false );
+
+ };
+
+ }(),
+
+ getWorldScale: function () {
+
+ var position = new Vector3();
+ var quaternion = new Quaternion();
+
+ return function getWorldScale( optionalTarget ) {
+
+ var result = optionalTarget || new Vector3();
+
+ this.updateMatrixWorld( true );
+
+ this.matrixWorld.decompose( position, quaternion, result );
+
+ return result;
+
+ };
+
+ }(),
+
+ getWorldDirection: function () {
+
+ var quaternion = new Quaternion();
+
+ return function getWorldDirection( optionalTarget ) {
+
+ var result = optionalTarget || new Vector3();
+
+ this.getWorldQuaternion( quaternion );
+
+ return result.set( 0, 0, 1 ).applyQuaternion( quaternion );
+
+ };
+
+ }(),
+
+ raycast: function () {},
+
+ traverse: function ( callback ) {
+
+ callback( this );
+
+ var children = this.children;
+
+ for ( var i = 0, l = children.length; i < l; i ++ ) {
+
+ children[ i ].traverse( callback );
+
+ }
+
+ },
+
+ traverseVisible: function ( callback ) {
+
+ if ( this.visible === false ) return;
+
+ callback( this );
+
+ var children = this.children;
+
+ for ( var i = 0, l = children.length; i < l; i ++ ) {
+
+ children[ i ].traverseVisible( callback );
+
+ }
+
+ },
+
+ traverseAncestors: function ( callback ) {
+
+ var parent = this.parent;
+
+ if ( parent !== null ) {
+
+ callback( parent );
+
+ parent.traverseAncestors( callback );
+
+ }
+
+ },
+
+ updateMatrix: function () {
+
+ this.matrix.compose( this.position, this.quaternion, this.scale );
+
+ this.matrixWorldNeedsUpdate = true;
+
+ },
+
+ updateMatrixWorld: function ( force ) {
+
+ if ( this.matrixAutoUpdate ) this.updateMatrix();
+
+ if ( this.matrixWorldNeedsUpdate || force ) {
+
+ if ( this.parent === null ) {
+
+ this.matrixWorld.copy( this.matrix );
+
+ } else {
+
+ this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );
+
+ }
+
+ this.matrixWorldNeedsUpdate = false;
+
+ force = true;
+
+ }
+
+ // update children
+
+ var children = this.children;
+
+ for ( var i = 0, l = children.length; i < l; i ++ ) {
+
+ children[ i ].updateMatrixWorld( force );
+
+ }
+
+ },
+
+ toJSON: function ( meta ) {
+
+ // meta is a string when called from JSON.stringify
+ var isRootObject = ( meta === undefined || typeof meta === 'string' );
+
+ var output = {};
+
+ // meta is a hash used to collect geometries, materials.
+ // not providing it implies that this is the root object
+ // being serialized.
+ if ( isRootObject ) {
+
+ // initialize meta obj
+ meta = {
+ geometries: {},
+ materials: {},
+ textures: {},
+ images: {},
+ shapes: {}
+ };
+
+ output.metadata = {
+ version: 4.5,
+ type: 'Object',
+ generator: 'Object3D.toJSON'
+ };
+
+ }
+
+ // standard Object3D serialization
+
+ var object = {};
+
+ object.uuid = this.uuid;
+ object.type = this.type;
+
+ if ( this.name !== '' ) object.name = this.name;
+ if ( this.castShadow === true ) object.castShadow = true;
+ if ( this.receiveShadow === true ) object.receiveShadow = true;
+ if ( this.visible === false ) object.visible = false;
+ if ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData;
+
+ object.matrix = this.matrix.toArray();
+
+ //
+
+ function serialize( library, element ) {
+
+ if ( library[ element.uuid ] === undefined ) {
+
+ library[ element.uuid ] = element.toJSON( meta );
+
+ }
+
+ return element.uuid;
+
+ }
+
+ if ( this.geometry !== undefined ) {
+
+ object.geometry = serialize( meta.geometries, this.geometry );
+
+ var parameters = this.geometry.parameters;
+
+ if ( parameters !== undefined && parameters.shapes !== undefined ) {
+
+ var shapes = parameters.shapes;
+
+ if ( Array.isArray( shapes ) ) {
+
+ for ( var i = 0, l = shapes.length; i < l; i ++ ) {
+
+ var shape = shapes[ i ];
+
+ serialize( meta.shapes, shape );
+
+ }
+
+ } else {
+
+ serialize( meta.shapes, shapes );
+
+ }
+
+ }
+
+ }
+
+ if ( this.material !== undefined ) {
+
+ if ( Array.isArray( this.material ) ) {
+
+ var uuids = [];
+
+ for ( var i = 0, l = this.material.length; i < l; i ++ ) {
+
+ uuids.push( serialize( meta.materials, this.material[ i ] ) );
+
+ }
+
+ object.material = uuids;
+
+ } else {
+
+ object.material = serialize( meta.materials, this.material );
+
+ }
+
+ }
+
+ //
+
+ if ( this.children.length > 0 ) {
+
+ object.children = [];
+
+ for ( var i = 0; i < this.children.length; i ++ ) {
+
+ object.children.push( this.children[ i ].toJSON( meta ).object );
+
+ }
+
+ }
+
+ if ( isRootObject ) {
+
+ var geometries = extractFromCache( meta.geometries );
+ var materials = extractFromCache( meta.materials );
+ var textures = extractFromCache( meta.textures );
+ var images = extractFromCache( meta.images );
+ var shapes = extractFromCache( meta.shapes );
+
+ if ( geometries.length > 0 ) output.geometries = geometries;
+ if ( materials.length > 0 ) output.materials = materials;
+ if ( textures.length > 0 ) output.textures = textures;
+ if ( images.length > 0 ) output.images = images;
+ if ( shapes.length > 0 ) output.shapes = shapes;
+
+ }
+
+ output.object = object;
+
+ return output;
+
+ // extract data from the cache hash
+ // remove metadata on each item
+ // and return as array
+ function extractFromCache( cache ) {
+
+ var values = [];
+ for ( var key in cache ) {
+
+ var data = cache[ key ];
+ delete data.metadata;
+ values.push( data );
+
+ }
+ return values;
+
+ }
+
+ },
+
+ clone: function ( recursive ) {
+
+ return new this.constructor().copy( this, recursive );
+
+ },
+
+ copy: function ( source, recursive ) {
+
+ if ( recursive === undefined ) recursive = true;
+
+ this.name = source.name;
+
+ this.up.copy( source.up );
+
+ this.position.copy( source.position );
+ this.quaternion.copy( source.quaternion );
+ this.scale.copy( source.scale );
+
+ this.matrix.copy( source.matrix );
+ this.matrixWorld.copy( source.matrixWorld );
+
+ this.matrixAutoUpdate = source.matrixAutoUpdate;
+ this.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;
+
+ this.layers.mask = source.layers.mask;
+ this.visible = source.visible;
+
+ this.castShadow = source.castShadow;
+ this.receiveShadow = source.receiveShadow;
+
+ this.frustumCulled = source.frustumCulled;
+ this.renderOrder = source.renderOrder;
+
+ this.userData = JSON.parse( JSON.stringify( source.userData ) );
+
+ if ( recursive === true ) {
+
+ for ( var i = 0; i < source.children.length; i ++ ) {
+
+ var child = source.children[ i ];
+ this.add( child.clone() );
+
+ }
+
+ }
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author mikael emtinger / http://gomo.se/
+ * @author WestLangley / http://github.com/WestLangley
+ */
+
+ function Camera() {
+
+ Object3D.call( this );
+
+ this.type = 'Camera';
+
+ this.matrixWorldInverse = new Matrix4();
+ this.projectionMatrix = new Matrix4();
+
+ }
+
+ Camera.prototype = Object.assign( Object.create( Object3D.prototype ), {
+
+ constructor: Camera,
+
+ isCamera: true,
+
+ copy: function ( source, recursive ) {
+
+ Object3D.prototype.copy.call( this, source, recursive );
+
+ this.matrixWorldInverse.copy( source.matrixWorldInverse );
+ this.projectionMatrix.copy( source.projectionMatrix );
+
+ return this;
+
+ },
+
+ getWorldDirection: function () {
+
+ var quaternion = new Quaternion();
+
+ return function getWorldDirection( optionalTarget ) {
+
+ var result = optionalTarget || new Vector3();
+
+ this.getWorldQuaternion( quaternion );
+
+ return result.set( 0, 0, - 1 ).applyQuaternion( quaternion );
+
+ };
+
+ }(),
+
+ updateMatrixWorld: function ( force ) {
+
+ Object3D.prototype.updateMatrixWorld.call( this, force );
+
+ this.matrixWorldInverse.getInverse( this.matrixWorld );
+
+ },
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ }
+
+ } );
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ * @author arose / http://github.com/arose
+ */
+
+ function OrthographicCamera( left, right, top, bottom, near, far ) {
+
+ Camera.call( this );
+
+ this.type = 'OrthographicCamera';
+
+ this.zoom = 1;
+ this.view = null;
+
+ this.left = left;
+ this.right = right;
+ this.top = top;
+ this.bottom = bottom;
+
+ this.near = ( near !== undefined ) ? near : 0.1;
+ this.far = ( far !== undefined ) ? far : 2000;
+
+ this.updateProjectionMatrix();
+
+ }
+
+ OrthographicCamera.prototype = Object.assign( Object.create( Camera.prototype ), {
+
+ constructor: OrthographicCamera,
+
+ isOrthographicCamera: true,
+
+ copy: function ( source, recursive ) {
+
+ Camera.prototype.copy.call( this, source, recursive );
+
+ this.left = source.left;
+ this.right = source.right;
+ this.top = source.top;
+ this.bottom = source.bottom;
+ this.near = source.near;
+ this.far = source.far;
+
+ this.zoom = source.zoom;
+ this.view = source.view === null ? null : Object.assign( {}, source.view );
+
+ return this;
+
+ },
+
+ setViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) {
+
+ if ( this.view === null ) {
+
+ this.view = {
+ enabled: true,
+ fullWidth: 1,
+ fullHeight: 1,
+ offsetX: 0,
+ offsetY: 0,
+ width: 1,
+ height: 1
+ };
+
+ }
+
+ this.view.enabled = true;
+ this.view.fullWidth = fullWidth;
+ this.view.fullHeight = fullHeight;
+ this.view.offsetX = x;
+ this.view.offsetY = y;
+ this.view.width = width;
+ this.view.height = height;
+
+ this.updateProjectionMatrix();
+
+ },
+
+ clearViewOffset: function () {
+
+ if ( this.view !== null ) {
+
+ this.view.enabled = false;
+
+ }
+
+ this.updateProjectionMatrix();
+
+ },
+
+ updateProjectionMatrix: function () {
+
+ var dx = ( this.right - this.left ) / ( 2 * this.zoom );
+ var dy = ( this.top - this.bottom ) / ( 2 * this.zoom );
+ var cx = ( this.right + this.left ) / 2;
+ var cy = ( this.top + this.bottom ) / 2;
+
+ var left = cx - dx;
+ var right = cx + dx;
+ var top = cy + dy;
+ var bottom = cy - dy;
+
+ if ( this.view !== null && this.view.enabled ) {
+
+ var zoomW = this.zoom / ( this.view.width / this.view.fullWidth );
+ var zoomH = this.zoom / ( this.view.height / this.view.fullHeight );
+ var scaleW = ( this.right - this.left ) / this.view.width;
+ var scaleH = ( this.top - this.bottom ) / this.view.height;
+
+ left += scaleW * ( this.view.offsetX / zoomW );
+ right = left + scaleW * ( this.view.width / zoomW );
+ top -= scaleH * ( this.view.offsetY / zoomH );
+ bottom = top - scaleH * ( this.view.height / zoomH );
+
+ }
+
+ this.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far );
+
+ },
+
+ toJSON: function ( meta ) {
+
+ var data = Object3D.prototype.toJSON.call( this, meta );
+
+ data.object.zoom = this.zoom;
+ data.object.left = this.left;
+ data.object.right = this.right;
+ data.object.top = this.top;
+ data.object.bottom = this.bottom;
+ data.object.near = this.near;
+ data.object.far = this.far;
+
+ if ( this.view !== null ) data.object.view = Object.assign( {}, this.view );
+
+ return data;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function Face3( a, b, c, normal, color, materialIndex ) {
+
+ this.a = a;
+ this.b = b;
+ this.c = c;
+
+ this.normal = ( normal && normal.isVector3 ) ? normal : new Vector3();
+ this.vertexNormals = Array.isArray( normal ) ? normal : [];
+
+ this.color = ( color && color.isColor ) ? color : new Color();
+ this.vertexColors = Array.isArray( color ) ? color : [];
+
+ this.materialIndex = materialIndex !== undefined ? materialIndex : 0;
+
+ }
+
+ Object.assign( Face3.prototype, {
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ },
+
+ copy: function ( source ) {
+
+ this.a = source.a;
+ this.b = source.b;
+ this.c = source.c;
+
+ this.normal.copy( source.normal );
+ this.color.copy( source.color );
+
+ this.materialIndex = source.materialIndex;
+
+ for ( var i = 0, il = source.vertexNormals.length; i < il; i ++ ) {
+
+ this.vertexNormals[ i ] = source.vertexNormals[ i ].clone();
+
+ }
+
+ for ( var i = 0, il = source.vertexColors.length; i < il; i ++ ) {
+
+ this.vertexColors[ i ] = source.vertexColors[ i ].clone();
+
+ }
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author kile / http://kile.stravaganza.org/
+ * @author alteredq / http://alteredqualia.com/
+ * @author mikael emtinger / http://gomo.se/
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ * @author bhouston / http://clara.io
+ */
+
+ var geometryId = 0; // Geometry uses even numbers as Id
+
+ function Geometry() {
+
+ Object.defineProperty( this, 'id', { value: geometryId += 2 } );
+
+ this.uuid = _Math.generateUUID();
+
+ this.name = '';
+ this.type = 'Geometry';
+
+ this.vertices = [];
+ this.colors = [];
+ this.faces = [];
+ this.faceVertexUvs = [[]];
+
+ this.morphTargets = [];
+ this.morphNormals = [];
+
+ this.skinWeights = [];
+ this.skinIndices = [];
+
+ this.lineDistances = [];
+
+ this.boundingBox = null;
+ this.boundingSphere = null;
+
+ // update flags
+
+ this.elementsNeedUpdate = false;
+ this.verticesNeedUpdate = false;
+ this.uvsNeedUpdate = false;
+ this.normalsNeedUpdate = false;
+ this.colorsNeedUpdate = false;
+ this.lineDistancesNeedUpdate = false;
+ this.groupsNeedUpdate = false;
+
+ }
+
+ Geometry.prototype = Object.assign( Object.create( EventDispatcher.prototype ), {
+
+ constructor: Geometry,
+
+ isGeometry: true,
+
+ applyMatrix: function ( matrix ) {
+
+ var normalMatrix = new Matrix3().getNormalMatrix( matrix );
+
+ for ( var i = 0, il = this.vertices.length; i < il; i ++ ) {
+
+ var vertex = this.vertices[ i ];
+ vertex.applyMatrix4( matrix );
+
+ }
+
+ for ( var i = 0, il = this.faces.length; i < il; i ++ ) {
+
+ var face = this.faces[ i ];
+ face.normal.applyMatrix3( normalMatrix ).normalize();
+
+ for ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {
+
+ face.vertexNormals[ j ].applyMatrix3( normalMatrix ).normalize();
+
+ }
+
+ }
+
+ if ( this.boundingBox !== null ) {
+
+ this.computeBoundingBox();
+
+ }
+
+ if ( this.boundingSphere !== null ) {
+
+ this.computeBoundingSphere();
+
+ }
+
+ this.verticesNeedUpdate = true;
+ this.normalsNeedUpdate = true;
+
+ return this;
+
+ },
+
+ rotateX: function () {
+
+ // rotate geometry around world x-axis
+
+ var m1 = new Matrix4();
+
+ return function rotateX( angle ) {
+
+ m1.makeRotationX( angle );
+
+ this.applyMatrix( m1 );
+
+ return this;
+
+ };
+
+ }(),
+
+ rotateY: function () {
+
+ // rotate geometry around world y-axis
+
+ var m1 = new Matrix4();
+
+ return function rotateY( angle ) {
+
+ m1.makeRotationY( angle );
+
+ this.applyMatrix( m1 );
+
+ return this;
+
+ };
+
+ }(),
+
+ rotateZ: function () {
+
+ // rotate geometry around world z-axis
+
+ var m1 = new Matrix4();
+
+ return function rotateZ( angle ) {
+
+ m1.makeRotationZ( angle );
+
+ this.applyMatrix( m1 );
+
+ return this;
+
+ };
+
+ }(),
+
+ translate: function () {
+
+ // translate geometry
+
+ var m1 = new Matrix4();
+
+ return function translate( x, y, z ) {
+
+ m1.makeTranslation( x, y, z );
+
+ this.applyMatrix( m1 );
+
+ return this;
+
+ };
+
+ }(),
+
+ scale: function () {
+
+ // scale geometry
+
+ var m1 = new Matrix4();
+
+ return function scale( x, y, z ) {
+
+ m1.makeScale( x, y, z );
+
+ this.applyMatrix( m1 );
+
+ return this;
+
+ };
+
+ }(),
+
+ lookAt: function () {
+
+ var obj = new Object3D();
+
+ return function lookAt( vector ) {
+
+ obj.lookAt( vector );
+
+ obj.updateMatrix();
+
+ this.applyMatrix( obj.matrix );
+
+ };
+
+ }(),
+
+ fromBufferGeometry: function ( geometry ) {
+
+ var scope = this;
+
+ var indices = geometry.index !== null ? geometry.index.array : undefined;
+ var attributes = geometry.attributes;
+
+ var positions = attributes.position.array;
+ var normals = attributes.normal !== undefined ? attributes.normal.array : undefined;
+ var colors = attributes.color !== undefined ? attributes.color.array : undefined;
+ var uvs = attributes.uv !== undefined ? attributes.uv.array : undefined;
+ var uvs2 = attributes.uv2 !== undefined ? attributes.uv2.array : undefined;
+
+ if ( uvs2 !== undefined ) this.faceVertexUvs[ 1 ] = [];
+
+ var tempNormals = [];
+ var tempUVs = [];
+ var tempUVs2 = [];
+
+ for ( var i = 0, j = 0; i < positions.length; i += 3, j += 2 ) {
+
+ scope.vertices.push( new Vector3( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] ) );
+
+ if ( normals !== undefined ) {
+
+ tempNormals.push( new Vector3( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] ) );
+
+ }
+
+ if ( colors !== undefined ) {
+
+ scope.colors.push( new Color( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] ) );
+
+ }
+
+ if ( uvs !== undefined ) {
+
+ tempUVs.push( new Vector2( uvs[ j ], uvs[ j + 1 ] ) );
+
+ }
+
+ if ( uvs2 !== undefined ) {
+
+ tempUVs2.push( new Vector2( uvs2[ j ], uvs2[ j + 1 ] ) );
+
+ }
+
+ }
+
+ function addFace( a, b, c, materialIndex ) {
+
+ var vertexNormals = normals !== undefined ? [ tempNormals[ a ].clone(), tempNormals[ b ].clone(), tempNormals[ c ].clone() ] : [];
+ var vertexColors = colors !== undefined ? [ scope.colors[ a ].clone(), scope.colors[ b ].clone(), scope.colors[ c ].clone() ] : [];
+
+ var face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex );
+
+ scope.faces.push( face );
+
+ if ( uvs !== undefined ) {
+
+ scope.faceVertexUvs[ 0 ].push( [ tempUVs[ a ].clone(), tempUVs[ b ].clone(), tempUVs[ c ].clone() ] );
+
+ }
+
+ if ( uvs2 !== undefined ) {
+
+ scope.faceVertexUvs[ 1 ].push( [ tempUVs2[ a ].clone(), tempUVs2[ b ].clone(), tempUVs2[ c ].clone() ] );
+
+ }
+
+ }
+
+ var groups = geometry.groups;
+
+ if ( groups.length > 0 ) {
+
+ for ( var i = 0; i < groups.length; i ++ ) {
+
+ var group = groups[ i ];
+
+ var start = group.start;
+ var count = group.count;
+
+ for ( var j = start, jl = start + count; j < jl; j += 3 ) {
+
+ if ( indices !== undefined ) {
+
+ addFace( indices[ j ], indices[ j + 1 ], indices[ j + 2 ], group.materialIndex );
+
+ } else {
+
+ addFace( j, j + 1, j + 2, group.materialIndex );
+
+ }
+
+ }
+
+ }
+
+ } else {
+
+ if ( indices !== undefined ) {
+
+ for ( var i = 0; i < indices.length; i += 3 ) {
+
+ addFace( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] );
+
+ }
+
+ } else {
+
+ for ( var i = 0; i < positions.length / 3; i += 3 ) {
+
+ addFace( i, i + 1, i + 2 );
+
+ }
+
+ }
+
+ }
+
+ this.computeFaceNormals();
+
+ if ( geometry.boundingBox !== null ) {
+
+ this.boundingBox = geometry.boundingBox.clone();
+
+ }
+
+ if ( geometry.boundingSphere !== null ) {
+
+ this.boundingSphere = geometry.boundingSphere.clone();
+
+ }
+
+ return this;
+
+ },
+
+ center: function () {
+
+ this.computeBoundingBox();
+
+ var offset = this.boundingBox.getCenter().negate();
+
+ this.translate( offset.x, offset.y, offset.z );
+
+ return offset;
+
+ },
+
+ normalize: function () {
+
+ this.computeBoundingSphere();
+
+ var center = this.boundingSphere.center;
+ var radius = this.boundingSphere.radius;
+
+ var s = radius === 0 ? 1 : 1.0 / radius;
+
+ var matrix = new Matrix4();
+ matrix.set(
+ s, 0, 0, - s * center.x,
+ 0, s, 0, - s * center.y,
+ 0, 0, s, - s * center.z,
+ 0, 0, 0, 1
+ );
+
+ this.applyMatrix( matrix );
+
+ return this;
+
+ },
+
+ computeFaceNormals: function () {
+
+ var cb = new Vector3(), ab = new Vector3();
+
+ for ( var f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ var face = this.faces[ f ];
+
+ var vA = this.vertices[ face.a ];
+ var vB = this.vertices[ face.b ];
+ var vC = this.vertices[ face.c ];
+
+ cb.subVectors( vC, vB );
+ ab.subVectors( vA, vB );
+ cb.cross( ab );
+
+ cb.normalize();
+
+ face.normal.copy( cb );
+
+ }
+
+ },
+
+ computeVertexNormals: function ( areaWeighted ) {
+
+ if ( areaWeighted === undefined ) areaWeighted = true;
+
+ var v, vl, f, fl, face, vertices;
+
+ vertices = new Array( this.vertices.length );
+
+ for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {
+
+ vertices[ v ] = new Vector3();
+
+ }
+
+ if ( areaWeighted ) {
+
+ // vertex normals weighted by triangle areas
+ // http://www.iquilezles.org/www/articles/normals/normals.htm
+
+ var vA, vB, vC;
+ var cb = new Vector3(), ab = new Vector3();
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ face = this.faces[ f ];
+
+ vA = this.vertices[ face.a ];
+ vB = this.vertices[ face.b ];
+ vC = this.vertices[ face.c ];
+
+ cb.subVectors( vC, vB );
+ ab.subVectors( vA, vB );
+ cb.cross( ab );
+
+ vertices[ face.a ].add( cb );
+ vertices[ face.b ].add( cb );
+ vertices[ face.c ].add( cb );
+
+ }
+
+ } else {
+
+ this.computeFaceNormals();
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ face = this.faces[ f ];
+
+ vertices[ face.a ].add( face.normal );
+ vertices[ face.b ].add( face.normal );
+ vertices[ face.c ].add( face.normal );
+
+ }
+
+ }
+
+ for ( v = 0, vl = this.vertices.length; v < vl; v ++ ) {
+
+ vertices[ v ].normalize();
+
+ }
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ face = this.faces[ f ];
+
+ var vertexNormals = face.vertexNormals;
+
+ if ( vertexNormals.length === 3 ) {
+
+ vertexNormals[ 0 ].copy( vertices[ face.a ] );
+ vertexNormals[ 1 ].copy( vertices[ face.b ] );
+ vertexNormals[ 2 ].copy( vertices[ face.c ] );
+
+ } else {
+
+ vertexNormals[ 0 ] = vertices[ face.a ].clone();
+ vertexNormals[ 1 ] = vertices[ face.b ].clone();
+ vertexNormals[ 2 ] = vertices[ face.c ].clone();
+
+ }
+
+ }
+
+ if ( this.faces.length > 0 ) {
+
+ this.normalsNeedUpdate = true;
+
+ }
+
+ },
+
+ computeFlatVertexNormals: function () {
+
+ var f, fl, face;
+
+ this.computeFaceNormals();
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ face = this.faces[ f ];
+
+ var vertexNormals = face.vertexNormals;
+
+ if ( vertexNormals.length === 3 ) {
+
+ vertexNormals[ 0 ].copy( face.normal );
+ vertexNormals[ 1 ].copy( face.normal );
+ vertexNormals[ 2 ].copy( face.normal );
+
+ } else {
+
+ vertexNormals[ 0 ] = face.normal.clone();
+ vertexNormals[ 1 ] = face.normal.clone();
+ vertexNormals[ 2 ] = face.normal.clone();
+
+ }
+
+ }
+
+ if ( this.faces.length > 0 ) {
+
+ this.normalsNeedUpdate = true;
+
+ }
+
+ },
+
+ computeMorphNormals: function () {
+
+ var i, il, f, fl, face;
+
+ // save original normals
+ // - create temp variables on first access
+ // otherwise just copy (for faster repeated calls)
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ face = this.faces[ f ];
+
+ if ( ! face.__originalFaceNormal ) {
+
+ face.__originalFaceNormal = face.normal.clone();
+
+ } else {
+
+ face.__originalFaceNormal.copy( face.normal );
+
+ }
+
+ if ( ! face.__originalVertexNormals ) face.__originalVertexNormals = [];
+
+ for ( i = 0, il = face.vertexNormals.length; i < il; i ++ ) {
+
+ if ( ! face.__originalVertexNormals[ i ] ) {
+
+ face.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone();
+
+ } else {
+
+ face.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] );
+
+ }
+
+ }
+
+ }
+
+ // use temp geometry to compute face and vertex normals for each morph
+
+ var tmpGeo = new Geometry();
+ tmpGeo.faces = this.faces;
+
+ for ( i = 0, il = this.morphTargets.length; i < il; i ++ ) {
+
+ // create on first access
+
+ if ( ! this.morphNormals[ i ] ) {
+
+ this.morphNormals[ i ] = {};
+ this.morphNormals[ i ].faceNormals = [];
+ this.morphNormals[ i ].vertexNormals = [];
+
+ var dstNormalsFace = this.morphNormals[ i ].faceNormals;
+ var dstNormalsVertex = this.morphNormals[ i ].vertexNormals;
+
+ var faceNormal, vertexNormals;
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ faceNormal = new Vector3();
+ vertexNormals = { a: new Vector3(), b: new Vector3(), c: new Vector3() };
+
+ dstNormalsFace.push( faceNormal );
+ dstNormalsVertex.push( vertexNormals );
+
+ }
+
+ }
+
+ var morphNormals = this.morphNormals[ i ];
+
+ // set vertices to morph target
+
+ tmpGeo.vertices = this.morphTargets[ i ].vertices;
+
+ // compute morph normals
+
+ tmpGeo.computeFaceNormals();
+ tmpGeo.computeVertexNormals();
+
+ // store morph normals
+
+ var faceNormal, vertexNormals;
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ face = this.faces[ f ];
+
+ faceNormal = morphNormals.faceNormals[ f ];
+ vertexNormals = morphNormals.vertexNormals[ f ];
+
+ faceNormal.copy( face.normal );
+
+ vertexNormals.a.copy( face.vertexNormals[ 0 ] );
+ vertexNormals.b.copy( face.vertexNormals[ 1 ] );
+ vertexNormals.c.copy( face.vertexNormals[ 2 ] );
+
+ }
+
+ }
+
+ // restore original normals
+
+ for ( f = 0, fl = this.faces.length; f < fl; f ++ ) {
+
+ face = this.faces[ f ];
+
+ face.normal = face.__originalFaceNormal;
+ face.vertexNormals = face.__originalVertexNormals;
+
+ }
+
+ },
+
+ computeLineDistances: function () {
+
+ var d = 0;
+ var vertices = this.vertices;
+
+ for ( var i = 0, il = vertices.length; i < il; i ++ ) {
+
+ if ( i > 0 ) {
+
+ d += vertices[ i ].distanceTo( vertices[ i - 1 ] );
+
+ }
+
+ this.lineDistances[ i ] = d;
+
+ }
+
+ },
+
+ computeBoundingBox: function () {
+
+ if ( this.boundingBox === null ) {
+
+ this.boundingBox = new Box3();
+
+ }
+
+ this.boundingBox.setFromPoints( this.vertices );
+
+ },
+
+ computeBoundingSphere: function () {
+
+ if ( this.boundingSphere === null ) {
+
+ this.boundingSphere = new Sphere();
+
+ }
+
+ this.boundingSphere.setFromPoints( this.vertices );
+
+ },
+
+ merge: function ( geometry, matrix, materialIndexOffset ) {
+
+ if ( ! ( geometry && geometry.isGeometry ) ) {
+
+ console.error( 'THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.', geometry );
+ return;
+
+ }
+
+ var normalMatrix,
+ vertexOffset = this.vertices.length,
+ vertices1 = this.vertices,
+ vertices2 = geometry.vertices,
+ faces1 = this.faces,
+ faces2 = geometry.faces,
+ uvs1 = this.faceVertexUvs[ 0 ],
+ uvs2 = geometry.faceVertexUvs[ 0 ],
+ colors1 = this.colors,
+ colors2 = geometry.colors;
+
+ if ( materialIndexOffset === undefined ) materialIndexOffset = 0;
+
+ if ( matrix !== undefined ) {
+
+ normalMatrix = new Matrix3().getNormalMatrix( matrix );
+
+ }
+
+ // vertices
+
+ for ( var i = 0, il = vertices2.length; i < il; i ++ ) {
+
+ var vertex = vertices2[ i ];
+
+ var vertexCopy = vertex.clone();
+
+ if ( matrix !== undefined ) vertexCopy.applyMatrix4( matrix );
+
+ vertices1.push( vertexCopy );
+
+ }
+
+ // colors
+
+ for ( var i = 0, il = colors2.length; i < il; i ++ ) {
+
+ colors1.push( colors2[ i ].clone() );
+
+ }
+
+ // faces
+
+ for ( i = 0, il = faces2.length; i < il; i ++ ) {
+
+ var face = faces2[ i ], faceCopy, normal, color,
+ faceVertexNormals = face.vertexNormals,
+ faceVertexColors = face.vertexColors;
+
+ faceCopy = new Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset );
+ faceCopy.normal.copy( face.normal );
+
+ if ( normalMatrix !== undefined ) {
+
+ faceCopy.normal.applyMatrix3( normalMatrix ).normalize();
+
+ }
+
+ for ( var j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) {
+
+ normal = faceVertexNormals[ j ].clone();
+
+ if ( normalMatrix !== undefined ) {
+
+ normal.applyMatrix3( normalMatrix ).normalize();
+
+ }
+
+ faceCopy.vertexNormals.push( normal );
+
+ }
+
+ faceCopy.color.copy( face.color );
+
+ for ( var j = 0, jl = faceVertexColors.length; j < jl; j ++ ) {
+
+ color = faceVertexColors[ j ];
+ faceCopy.vertexColors.push( color.clone() );
+
+ }
+
+ faceCopy.materialIndex = face.materialIndex + materialIndexOffset;
+
+ faces1.push( faceCopy );
+
+ }
+
+ // uvs
+
+ for ( i = 0, il = uvs2.length; i < il; i ++ ) {
+
+ var uv = uvs2[ i ], uvCopy = [];
+
+ if ( uv === undefined ) {
+
+ continue;
+
+ }
+
+ for ( var j = 0, jl = uv.length; j < jl; j ++ ) {
+
+ uvCopy.push( uv[ j ].clone() );
+
+ }
+
+ uvs1.push( uvCopy );
+
+ }
+
+ },
+
+ mergeMesh: function ( mesh ) {
+
+ if ( ! ( mesh && mesh.isMesh ) ) {
+
+ console.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh );
+ return;
+
+ }
+
+ mesh.matrixAutoUpdate && mesh.updateMatrix();
+
+ this.merge( mesh.geometry, mesh.matrix );
+
+ },
+
+ /*
+ * Checks for duplicate vertices with hashmap.
+ * Duplicated vertices are removed
+ * and faces' vertices are updated.
+ */
+
+ mergeVertices: function () {
+
+ var verticesMap = {}; // Hashmap for looking up vertices by position coordinates (and making sure they are unique)
+ var unique = [], changes = [];
+
+ var v, key;
+ var precisionPoints = 4; // number of decimal points, e.g. 4 for epsilon of 0.0001
+ var precision = Math.pow( 10, precisionPoints );
+ var i, il, face;
+ var indices, j, jl;
+
+ for ( i = 0, il = this.vertices.length; i < il; i ++ ) {
+
+ v = this.vertices[ i ];
+ key = Math.round( v.x * precision ) + '_' + Math.round( v.y * precision ) + '_' + Math.round( v.z * precision );
+
+ if ( verticesMap[ key ] === undefined ) {
+
+ verticesMap[ key ] = i;
+ unique.push( this.vertices[ i ] );
+ changes[ i ] = unique.length - 1;
+
+ } else {
+
+ //console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]);
+ changes[ i ] = changes[ verticesMap[ key ] ];
+
+ }
+
+ }
+
+
+ // if faces are completely degenerate after merging vertices, we
+ // have to remove them from the geometry.
+ var faceIndicesToRemove = [];
+
+ for ( i = 0, il = this.faces.length; i < il; i ++ ) {
+
+ face = this.faces[ i ];
+
+ face.a = changes[ face.a ];
+ face.b = changes[ face.b ];
+ face.c = changes[ face.c ];
+
+ indices = [ face.a, face.b, face.c ];
+
+ // if any duplicate vertices are found in a Face3
+ // we have to remove the face as nothing can be saved
+ for ( var n = 0; n < 3; n ++ ) {
+
+ if ( indices[ n ] === indices[ ( n + 1 ) % 3 ] ) {
+
+ faceIndicesToRemove.push( i );
+ break;
+
+ }
+
+ }
+
+ }
+
+ for ( i = faceIndicesToRemove.length - 1; i >= 0; i -- ) {
+
+ var idx = faceIndicesToRemove[ i ];
+
+ this.faces.splice( idx, 1 );
+
+ for ( j = 0, jl = this.faceVertexUvs.length; j < jl; j ++ ) {
+
+ this.faceVertexUvs[ j ].splice( idx, 1 );
+
+ }
+
+ }
+
+ // Use unique set of vertices
+
+ var diff = this.vertices.length - unique.length;
+ this.vertices = unique;
+ return diff;
+
+ },
+
+ setFromPoints: function ( points ) {
+
+ this.vertices = [];
+
+ for ( var i = 0, l = points.length; i < l; i ++ ) {
+
+ var point = points[ i ];
+ this.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) );
+
+ }
+
+ return this;
+
+ },
+
+ sortFacesByMaterialIndex: function () {
+
+ var faces = this.faces;
+ var length = faces.length;
+
+ // tag faces
+
+ for ( var i = 0; i < length; i ++ ) {
+
+ faces[ i ]._id = i;
+
+ }
+
+ // sort faces
+
+ function materialIndexSort( a, b ) {
+
+ return a.materialIndex - b.materialIndex;
+
+ }
+
+ faces.sort( materialIndexSort );
+
+ // sort uvs
+
+ var uvs1 = this.faceVertexUvs[ 0 ];
+ var uvs2 = this.faceVertexUvs[ 1 ];
+
+ var newUvs1, newUvs2;
+
+ if ( uvs1 && uvs1.length === length ) newUvs1 = [];
+ if ( uvs2 && uvs2.length === length ) newUvs2 = [];
+
+ for ( var i = 0; i < length; i ++ ) {
+
+ var id = faces[ i ]._id;
+
+ if ( newUvs1 ) newUvs1.push( uvs1[ id ] );
+ if ( newUvs2 ) newUvs2.push( uvs2[ id ] );
+
+ }
+
+ if ( newUvs1 ) this.faceVertexUvs[ 0 ] = newUvs1;
+ if ( newUvs2 ) this.faceVertexUvs[ 1 ] = newUvs2;
+
+ },
+
+ toJSON: function () {
+
+ var data = {
+ metadata: {
+ version: 4.5,
+ type: 'Geometry',
+ generator: 'Geometry.toJSON'
+ }
+ };
+
+ // standard Geometry serialization
+
+ data.uuid = this.uuid;
+ data.type = this.type;
+ if ( this.name !== '' ) data.name = this.name;
+
+ if ( this.parameters !== undefined ) {
+
+ var parameters = this.parameters;
+
+ for ( var key in parameters ) {
+
+ if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];
+
+ }
+
+ return data;
+
+ }
+
+ var vertices = [];
+
+ for ( var i = 0; i < this.vertices.length; i ++ ) {
+
+ var vertex = this.vertices[ i ];
+ vertices.push( vertex.x, vertex.y, vertex.z );
+
+ }
+
+ var faces = [];
+ var normals = [];
+ var normalsHash = {};
+ var colors = [];
+ var colorsHash = {};
+ var uvs = [];
+ var uvsHash = {};
+
+ for ( var i = 0; i < this.faces.length; i ++ ) {
+
+ var face = this.faces[ i ];
+
+ var hasMaterial = true;
+ var hasFaceUv = false; // deprecated
+ var hasFaceVertexUv = this.faceVertexUvs[ 0 ][ i ] !== undefined;
+ var hasFaceNormal = face.normal.length() > 0;
+ var hasFaceVertexNormal = face.vertexNormals.length > 0;
+ var hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1;
+ var hasFaceVertexColor = face.vertexColors.length > 0;
+
+ var faceType = 0;
+
+ faceType = setBit( faceType, 0, 0 ); // isQuad
+ faceType = setBit( faceType, 1, hasMaterial );
+ faceType = setBit( faceType, 2, hasFaceUv );
+ faceType = setBit( faceType, 3, hasFaceVertexUv );
+ faceType = setBit( faceType, 4, hasFaceNormal );
+ faceType = setBit( faceType, 5, hasFaceVertexNormal );
+ faceType = setBit( faceType, 6, hasFaceColor );
+ faceType = setBit( faceType, 7, hasFaceVertexColor );
+
+ faces.push( faceType );
+ faces.push( face.a, face.b, face.c );
+ faces.push( face.materialIndex );
+
+ if ( hasFaceVertexUv ) {
+
+ var faceVertexUvs = this.faceVertexUvs[ 0 ][ i ];
+
+ faces.push(
+ getUvIndex( faceVertexUvs[ 0 ] ),
+ getUvIndex( faceVertexUvs[ 1 ] ),
+ getUvIndex( faceVertexUvs[ 2 ] )
+ );
+
+ }
+
+ if ( hasFaceNormal ) {
+
+ faces.push( getNormalIndex( face.normal ) );
+
+ }
+
+ if ( hasFaceVertexNormal ) {
+
+ var vertexNormals = face.vertexNormals;
+
+ faces.push(
+ getNormalIndex( vertexNormals[ 0 ] ),
+ getNormalIndex( vertexNormals[ 1 ] ),
+ getNormalIndex( vertexNormals[ 2 ] )
+ );
+
+ }
+
+ if ( hasFaceColor ) {
+
+ faces.push( getColorIndex( face.color ) );
+
+ }
+
+ if ( hasFaceVertexColor ) {
+
+ var vertexColors = face.vertexColors;
+
+ faces.push(
+ getColorIndex( vertexColors[ 0 ] ),
+ getColorIndex( vertexColors[ 1 ] ),
+ getColorIndex( vertexColors[ 2 ] )
+ );
+
+ }
+
+ }
+
+ function setBit( value, position, enabled ) {
+
+ return enabled ? value | ( 1 << position ) : value & ( ~ ( 1 << position ) );
+
+ }
+
+ function getNormalIndex( normal ) {
+
+ var hash = normal.x.toString() + normal.y.toString() + normal.z.toString();
+
+ if ( normalsHash[ hash ] !== undefined ) {
+
+ return normalsHash[ hash ];
+
+ }
+
+ normalsHash[ hash ] = normals.length / 3;
+ normals.push( normal.x, normal.y, normal.z );
+
+ return normalsHash[ hash ];
+
+ }
+
+ function getColorIndex( color ) {
+
+ var hash = color.r.toString() + color.g.toString() + color.b.toString();
+
+ if ( colorsHash[ hash ] !== undefined ) {
+
+ return colorsHash[ hash ];
+
+ }
+
+ colorsHash[ hash ] = colors.length;
+ colors.push( color.getHex() );
+
+ return colorsHash[ hash ];
+
+ }
+
+ function getUvIndex( uv ) {
+
+ var hash = uv.x.toString() + uv.y.toString();
+
+ if ( uvsHash[ hash ] !== undefined ) {
+
+ return uvsHash[ hash ];
+
+ }
+
+ uvsHash[ hash ] = uvs.length / 2;
+ uvs.push( uv.x, uv.y );
+
+ return uvsHash[ hash ];
+
+ }
+
+ data.data = {};
+
+ data.data.vertices = vertices;
+ data.data.normals = normals;
+ if ( colors.length > 0 ) data.data.colors = colors;
+ if ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility
+ data.data.faces = faces;
+
+ return data;
+
+ },
+
+ clone: function () {
+
+ /*
+ // Handle primitives
+
+ var parameters = this.parameters;
+
+ if ( parameters !== undefined ) {
+
+ var values = [];
+
+ for ( var key in parameters ) {
+
+ values.push( parameters[ key ] );
+
+ }
+
+ var geometry = Object.create( this.constructor.prototype );
+ this.constructor.apply( geometry, values );
+ return geometry;
+
+ }
+
+ return new this.constructor().copy( this );
+ */
+
+ return new Geometry().copy( this );
+
+ },
+
+ copy: function ( source ) {
+
+ var i, il, j, jl, k, kl;
+
+ // reset
+
+ this.vertices = [];
+ this.colors = [];
+ this.faces = [];
+ this.faceVertexUvs = [[]];
+ this.morphTargets = [];
+ this.morphNormals = [];
+ this.skinWeights = [];
+ this.skinIndices = [];
+ this.lineDistances = [];
+ this.boundingBox = null;
+ this.boundingSphere = null;
+
+ // name
+
+ this.name = source.name;
+
+ // vertices
+
+ var vertices = source.vertices;
+
+ for ( i = 0, il = vertices.length; i < il; i ++ ) {
+
+ this.vertices.push( vertices[ i ].clone() );
+
+ }
+
+ // colors
+
+ var colors = source.colors;
+
+ for ( i = 0, il = colors.length; i < il; i ++ ) {
+
+ this.colors.push( colors[ i ].clone() );
+
+ }
+
+ // faces
+
+ var faces = source.faces;
+
+ for ( i = 0, il = faces.length; i < il; i ++ ) {
+
+ this.faces.push( faces[ i ].clone() );
+
+ }
+
+ // face vertex uvs
+
+ for ( i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) {
+
+ var faceVertexUvs = source.faceVertexUvs[ i ];
+
+ if ( this.faceVertexUvs[ i ] === undefined ) {
+
+ this.faceVertexUvs[ i ] = [];
+
+ }
+
+ for ( j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) {
+
+ var uvs = faceVertexUvs[ j ], uvsCopy = [];
+
+ for ( k = 0, kl = uvs.length; k < kl; k ++ ) {
+
+ var uv = uvs[ k ];
+
+ uvsCopy.push( uv.clone() );
+
+ }
+
+ this.faceVertexUvs[ i ].push( uvsCopy );
+
+ }
+
+ }
+
+ // morph targets
+
+ var morphTargets = source.morphTargets;
+
+ for ( i = 0, il = morphTargets.length; i < il; i ++ ) {
+
+ var morphTarget = {};
+ morphTarget.name = morphTargets[ i ].name;
+
+ // vertices
+
+ if ( morphTargets[ i ].vertices !== undefined ) {
+
+ morphTarget.vertices = [];
+
+ for ( j = 0, jl = morphTargets[ i ].vertices.length; j < jl; j ++ ) {
+
+ morphTarget.vertices.push( morphTargets[ i ].vertices[ j ].clone() );
+
+ }
+
+ }
+
+ // normals
+
+ if ( morphTargets[ i ].normals !== undefined ) {
+
+ morphTarget.normals = [];
+
+ for ( j = 0, jl = morphTargets[ i ].normals.length; j < jl; j ++ ) {
+
+ morphTarget.normals.push( morphTargets[ i ].normals[ j ].clone() );
+
+ }
+
+ }
+
+ this.morphTargets.push( morphTarget );
+
+ }
+
+ // morph normals
+
+ var morphNormals = source.morphNormals;
+
+ for ( i = 0, il = morphNormals.length; i < il; i ++ ) {
+
+ var morphNormal = {};
+
+ // vertex normals
+
+ if ( morphNormals[ i ].vertexNormals !== undefined ) {
+
+ morphNormal.vertexNormals = [];
+
+ for ( j = 0, jl = morphNormals[ i ].vertexNormals.length; j < jl; j ++ ) {
+
+ var srcVertexNormal = morphNormals[ i ].vertexNormals[ j ];
+ var destVertexNormal = {};
+
+ destVertexNormal.a = srcVertexNormal.a.clone();
+ destVertexNormal.b = srcVertexNormal.b.clone();
+ destVertexNormal.c = srcVertexNormal.c.clone();
+
+ morphNormal.vertexNormals.push( destVertexNormal );
+
+ }
+
+ }
+
+ // face normals
+
+ if ( morphNormals[ i ].faceNormals !== undefined ) {
+
+ morphNormal.faceNormals = [];
+
+ for ( j = 0, jl = morphNormals[ i ].faceNormals.length; j < jl; j ++ ) {
+
+ morphNormal.faceNormals.push( morphNormals[ i ].faceNormals[ j ].clone() );
+
+ }
+
+ }
+
+ this.morphNormals.push( morphNormal );
+
+ }
+
+ // skin weights
+
+ var skinWeights = source.skinWeights;
+
+ for ( i = 0, il = skinWeights.length; i < il; i ++ ) {
+
+ this.skinWeights.push( skinWeights[ i ].clone() );
+
+ }
+
+ // skin indices
+
+ var skinIndices = source.skinIndices;
+
+ for ( i = 0, il = skinIndices.length; i < il; i ++ ) {
+
+ this.skinIndices.push( skinIndices[ i ].clone() );
+
+ }
+
+ // line distances
+
+ var lineDistances = source.lineDistances;
+
+ for ( i = 0, il = lineDistances.length; i < il; i ++ ) {
+
+ this.lineDistances.push( lineDistances[ i ] );
+
+ }
+
+ // bounding box
+
+ var boundingBox = source.boundingBox;
+
+ if ( boundingBox !== null ) {
+
+ this.boundingBox = boundingBox.clone();
+
+ }
+
+ // bounding sphere
+
+ var boundingSphere = source.boundingSphere;
+
+ if ( boundingSphere !== null ) {
+
+ this.boundingSphere = boundingSphere.clone();
+
+ }
+
+ // update flags
+
+ this.elementsNeedUpdate = source.elementsNeedUpdate;
+ this.verticesNeedUpdate = source.verticesNeedUpdate;
+ this.uvsNeedUpdate = source.uvsNeedUpdate;
+ this.normalsNeedUpdate = source.normalsNeedUpdate;
+ this.colorsNeedUpdate = source.colorsNeedUpdate;
+ this.lineDistancesNeedUpdate = source.lineDistancesNeedUpdate;
+ this.groupsNeedUpdate = source.groupsNeedUpdate;
+
+ return this;
+
+ },
+
+ dispose: function () {
+
+ this.dispatchEvent( { type: 'dispose' } );
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function BufferAttribute( array, itemSize, normalized ) {
+
+ if ( Array.isArray( array ) ) {
+
+ throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );
+
+ }
+
+ this.uuid = _Math.generateUUID();
+ this.name = '';
+
+ this.array = array;
+ this.itemSize = itemSize;
+ this.count = array !== undefined ? array.length / itemSize : 0;
+ this.normalized = normalized === true;
+
+ this.dynamic = false;
+ this.updateRange = { offset: 0, count: - 1 };
+
+ this.onUploadCallback = function () {};
+
+ this.version = 0;
+
+ }
+
+ Object.defineProperty( BufferAttribute.prototype, 'needsUpdate', {
+
+ set: function ( value ) {
+
+ if ( value === true ) this.version ++;
+
+ }
+
+ } );
+
+ Object.assign( BufferAttribute.prototype, {
+
+ isBufferAttribute: true,
+
+ setArray: function ( array ) {
+
+ if ( Array.isArray( array ) ) {
+
+ throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );
+
+ }
+
+ this.count = array !== undefined ? array.length / this.itemSize : 0;
+ this.array = array;
+
+ },
+
+ setDynamic: function ( value ) {
+
+ this.dynamic = value;
+
+ return this;
+
+ },
+
+ copy: function ( source ) {
+
+ this.array = new source.array.constructor( source.array );
+ this.itemSize = source.itemSize;
+ this.count = source.count;
+ this.normalized = source.normalized;
+
+ this.dynamic = source.dynamic;
+
+ return this;
+
+ },
+
+ copyAt: function ( index1, attribute, index2 ) {
+
+ index1 *= this.itemSize;
+ index2 *= attribute.itemSize;
+
+ for ( var i = 0, l = this.itemSize; i < l; i ++ ) {
+
+ this.array[ index1 + i ] = attribute.array[ index2 + i ];
+
+ }
+
+ return this;
+
+ },
+
+ copyArray: function ( array ) {
+
+ this.array.set( array );
+
+ return this;
+
+ },
+
+ copyColorsArray: function ( colors ) {
+
+ var array = this.array, offset = 0;
+
+ for ( var i = 0, l = colors.length; i < l; i ++ ) {
+
+ var color = colors[ i ];
+
+ if ( color === undefined ) {
+
+ console.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i );
+ color = new Color();
+
+ }
+
+ array[ offset ++ ] = color.r;
+ array[ offset ++ ] = color.g;
+ array[ offset ++ ] = color.b;
+
+ }
+
+ return this;
+
+ },
+
+ copyIndicesArray: function ( indices ) {
+
+ var array = this.array, offset = 0;
+
+ for ( var i = 0, l = indices.length; i < l; i ++ ) {
+
+ var index = indices[ i ];
+
+ array[ offset ++ ] = index.a;
+ array[ offset ++ ] = index.b;
+ array[ offset ++ ] = index.c;
+
+ }
+
+ return this;
+
+ },
+
+ copyVector2sArray: function ( vectors ) {
+
+ var array = this.array, offset = 0;
+
+ for ( var i = 0, l = vectors.length; i < l; i ++ ) {
+
+ var vector = vectors[ i ];
+
+ if ( vector === undefined ) {
+
+ console.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i );
+ vector = new Vector2();
+
+ }
+
+ array[ offset ++ ] = vector.x;
+ array[ offset ++ ] = vector.y;
+
+ }
+
+ return this;
+
+ },
+
+ copyVector3sArray: function ( vectors ) {
+
+ var array = this.array, offset = 0;
+
+ for ( var i = 0, l = vectors.length; i < l; i ++ ) {
+
+ var vector = vectors[ i ];
+
+ if ( vector === undefined ) {
+
+ console.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i );
+ vector = new Vector3();
+
+ }
+
+ array[ offset ++ ] = vector.x;
+ array[ offset ++ ] = vector.y;
+ array[ offset ++ ] = vector.z;
+
+ }
+
+ return this;
+
+ },
+
+ copyVector4sArray: function ( vectors ) {
+
+ var array = this.array, offset = 0;
+
+ for ( var i = 0, l = vectors.length; i < l; i ++ ) {
+
+ var vector = vectors[ i ];
+
+ if ( vector === undefined ) {
+
+ console.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i );
+ vector = new Vector4();
+
+ }
+
+ array[ offset ++ ] = vector.x;
+ array[ offset ++ ] = vector.y;
+ array[ offset ++ ] = vector.z;
+ array[ offset ++ ] = vector.w;
+
+ }
+
+ return this;
+
+ },
+
+ set: function ( value, offset ) {
+
+ if ( offset === undefined ) offset = 0;
+
+ this.array.set( value, offset );
+
+ return this;
+
+ },
+
+ getX: function ( index ) {
+
+ return this.array[ index * this.itemSize ];
+
+ },
+
+ setX: function ( index, x ) {
+
+ this.array[ index * this.itemSize ] = x;
+
+ return this;
+
+ },
+
+ getY: function ( index ) {
+
+ return this.array[ index * this.itemSize + 1 ];
+
+ },
+
+ setY: function ( index, y ) {
+
+ this.array[ index * this.itemSize + 1 ] = y;
+
+ return this;
+
+ },
+
+ getZ: function ( index ) {
+
+ return this.array[ index * this.itemSize + 2 ];
+
+ },
+
+ setZ: function ( index, z ) {
+
+ this.array[ index * this.itemSize + 2 ] = z;
+
+ return this;
+
+ },
+
+ getW: function ( index ) {
+
+ return this.array[ index * this.itemSize + 3 ];
+
+ },
+
+ setW: function ( index, w ) {
+
+ this.array[ index * this.itemSize + 3 ] = w;
+
+ return this;
+
+ },
+
+ setXY: function ( index, x, y ) {
+
+ index *= this.itemSize;
+
+ this.array[ index + 0 ] = x;
+ this.array[ index + 1 ] = y;
+
+ return this;
+
+ },
+
+ setXYZ: function ( index, x, y, z ) {
+
+ index *= this.itemSize;
+
+ this.array[ index + 0 ] = x;
+ this.array[ index + 1 ] = y;
+ this.array[ index + 2 ] = z;
+
+ return this;
+
+ },
+
+ setXYZW: function ( index, x, y, z, w ) {
+
+ index *= this.itemSize;
+
+ this.array[ index + 0 ] = x;
+ this.array[ index + 1 ] = y;
+ this.array[ index + 2 ] = z;
+ this.array[ index + 3 ] = w;
+
+ return this;
+
+ },
+
+ onUpload: function ( callback ) {
+
+ this.onUploadCallback = callback;
+
+ return this;
+
+ },
+
+ clone: function () {
+
+ return new this.constructor( this.array, this.itemSize ).copy( this );
+
+ }
+
+ } );
+
+ //
+
+ function Int8BufferAttribute( array, itemSize, normalized ) {
+
+ BufferAttribute.call( this, new Int8Array( array ), itemSize, normalized );
+
+ }
+
+ Int8BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
+ Int8BufferAttribute.prototype.constructor = Int8BufferAttribute;
+
+
+ function Uint8BufferAttribute( array, itemSize, normalized ) {
+
+ BufferAttribute.call( this, new Uint8Array( array ), itemSize, normalized );
+
+ }
+
+ Uint8BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
+ Uint8BufferAttribute.prototype.constructor = Uint8BufferAttribute;
+
+
+ function Uint8ClampedBufferAttribute( array, itemSize, normalized ) {
+
+ BufferAttribute.call( this, new Uint8ClampedArray( array ), itemSize, normalized );
+
+ }
+
+ Uint8ClampedBufferAttribute.prototype = Object.create( BufferAttribute.prototype );
+ Uint8ClampedBufferAttribute.prototype.constructor = Uint8ClampedBufferAttribute;
+
+
+ function Int16BufferAttribute( array, itemSize, normalized ) {
+
+ BufferAttribute.call( this, new Int16Array( array ), itemSize, normalized );
+
+ }
+
+ Int16BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
+ Int16BufferAttribute.prototype.constructor = Int16BufferAttribute;
+
+
+ function Uint16BufferAttribute( array, itemSize, normalized ) {
+
+ BufferAttribute.call( this, new Uint16Array( array ), itemSize, normalized );
+
+ }
+
+ Uint16BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
+ Uint16BufferAttribute.prototype.constructor = Uint16BufferAttribute;
+
+
+ function Int32BufferAttribute( array, itemSize, normalized ) {
+
+ BufferAttribute.call( this, new Int32Array( array ), itemSize, normalized );
+
+ }
+
+ Int32BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
+ Int32BufferAttribute.prototype.constructor = Int32BufferAttribute;
+
+
+ function Uint32BufferAttribute( array, itemSize, normalized ) {
+
+ BufferAttribute.call( this, new Uint32Array( array ), itemSize, normalized );
+
+ }
+
+ Uint32BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
+ Uint32BufferAttribute.prototype.constructor = Uint32BufferAttribute;
+
+
+ function Float32BufferAttribute( array, itemSize, normalized ) {
+
+ BufferAttribute.call( this, new Float32Array( array ), itemSize, normalized );
+
+ }
+
+ Float32BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
+ Float32BufferAttribute.prototype.constructor = Float32BufferAttribute;
+
+
+ function Float64BufferAttribute( array, itemSize, normalized ) {
+
+ BufferAttribute.call( this, new Float64Array( array ), itemSize, normalized );
+
+ }
+
+ Float64BufferAttribute.prototype = Object.create( BufferAttribute.prototype );
+ Float64BufferAttribute.prototype.constructor = Float64BufferAttribute;
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function DirectGeometry() {
+
+ this.indices = [];
+ this.vertices = [];
+ this.normals = [];
+ this.colors = [];
+ this.uvs = [];
+ this.uvs2 = [];
+
+ this.groups = [];
+
+ this.morphTargets = {};
+
+ this.skinWeights = [];
+ this.skinIndices = [];
+
+ // this.lineDistances = [];
+
+ this.boundingBox = null;
+ this.boundingSphere = null;
+
+ // update flags
+
+ this.verticesNeedUpdate = false;
+ this.normalsNeedUpdate = false;
+ this.colorsNeedUpdate = false;
+ this.uvsNeedUpdate = false;
+ this.groupsNeedUpdate = false;
+
+ }
+
+ Object.assign( DirectGeometry.prototype, {
+
+ computeGroups: function ( geometry ) {
+
+ var group;
+ var groups = [];
+ var materialIndex = undefined;
+
+ var faces = geometry.faces;
+
+ for ( var i = 0; i < faces.length; i ++ ) {
+
+ var face = faces[ i ];
+
+ // materials
+
+ if ( face.materialIndex !== materialIndex ) {
+
+ materialIndex = face.materialIndex;
+
+ if ( group !== undefined ) {
+
+ group.count = ( i * 3 ) - group.start;
+ groups.push( group );
+
+ }
+
+ group = {
+ start: i * 3,
+ materialIndex: materialIndex
+ };
+
+ }
+
+ }
+
+ if ( group !== undefined ) {
+
+ group.count = ( i * 3 ) - group.start;
+ groups.push( group );
+
+ }
+
+ this.groups = groups;
+
+ },
+
+ fromGeometry: function ( geometry ) {
+
+ var faces = geometry.faces;
+ var vertices = geometry.vertices;
+ var faceVertexUvs = geometry.faceVertexUvs;
+
+ var hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0;
+ var hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0;
+
+ // morphs
+
+ var morphTargets = geometry.morphTargets;
+ var morphTargetsLength = morphTargets.length;
+
+ var morphTargetsPosition;
+
+ if ( morphTargetsLength > 0 ) {
+
+ morphTargetsPosition = [];
+
+ for ( var i = 0; i < morphTargetsLength; i ++ ) {
+
+ morphTargetsPosition[ i ] = [];
+
+ }
+
+ this.morphTargets.position = morphTargetsPosition;
+
+ }
+
+ var morphNormals = geometry.morphNormals;
+ var morphNormalsLength = morphNormals.length;
+
+ var morphTargetsNormal;
+
+ if ( morphNormalsLength > 0 ) {
+
+ morphTargetsNormal = [];
+
+ for ( var i = 0; i < morphNormalsLength; i ++ ) {
+
+ morphTargetsNormal[ i ] = [];
+
+ }
+
+ this.morphTargets.normal = morphTargetsNormal;
+
+ }
+
+ // skins
+
+ var skinIndices = geometry.skinIndices;
+ var skinWeights = geometry.skinWeights;
+
+ var hasSkinIndices = skinIndices.length === vertices.length;
+ var hasSkinWeights = skinWeights.length === vertices.length;
+
+ //
+
+ for ( var i = 0; i < faces.length; i ++ ) {
+
+ var face = faces[ i ];
+
+ this.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] );
+
+ var vertexNormals = face.vertexNormals;
+
+ if ( vertexNormals.length === 3 ) {
+
+ this.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] );
+
+ } else {
+
+ var normal = face.normal;
+
+ this.normals.push( normal, normal, normal );
+
+ }
+
+ var vertexColors = face.vertexColors;
+
+ if ( vertexColors.length === 3 ) {
+
+ this.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] );
+
+ } else {
+
+ var color = face.color;
+
+ this.colors.push( color, color, color );
+
+ }
+
+ if ( hasFaceVertexUv === true ) {
+
+ var vertexUvs = faceVertexUvs[ 0 ][ i ];
+
+ if ( vertexUvs !== undefined ) {
+
+ this.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );
+
+ } else {
+
+ console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i );
+
+ this.uvs.push( new Vector2(), new Vector2(), new Vector2() );
+
+ }
+
+ }
+
+ if ( hasFaceVertexUv2 === true ) {
+
+ var vertexUvs = faceVertexUvs[ 1 ][ i ];
+
+ if ( vertexUvs !== undefined ) {
+
+ this.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );
+
+ } else {
+
+ console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i );
+
+ this.uvs2.push( new Vector2(), new Vector2(), new Vector2() );
+
+ }
+
+ }
+
+ // morphs
+
+ for ( var j = 0; j < morphTargetsLength; j ++ ) {
+
+ var morphTarget = morphTargets[ j ].vertices;
+
+ morphTargetsPosition[ j ].push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] );
+
+ }
+
+ for ( var j = 0; j < morphNormalsLength; j ++ ) {
+
+ var morphNormal = morphNormals[ j ].vertexNormals[ i ];
+
+ morphTargetsNormal[ j ].push( morphNormal.a, morphNormal.b, morphNormal.c );
+
+ }
+
+ // skins
+
+ if ( hasSkinIndices ) {
+
+ this.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] );
+
+ }
+
+ if ( hasSkinWeights ) {
+
+ this.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] );
+
+ }
+
+ }
+
+ this.computeGroups( geometry );
+
+ this.verticesNeedUpdate = geometry.verticesNeedUpdate;
+ this.normalsNeedUpdate = geometry.normalsNeedUpdate;
+ this.colorsNeedUpdate = geometry.colorsNeedUpdate;
+ this.uvsNeedUpdate = geometry.uvsNeedUpdate;
+ this.groupsNeedUpdate = geometry.groupsNeedUpdate;
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function arrayMax( array ) {
+
+ if ( array.length === 0 ) return - Infinity;
+
+ var max = array[ 0 ];
+
+ for ( var i = 1, l = array.length; i < l; ++ i ) {
+
+ if ( array[ i ] > max ) max = array[ i ];
+
+ }
+
+ return max;
+
+ }
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ var bufferGeometryId = 1; // BufferGeometry uses odd numbers as Id
+
+ function BufferGeometry() {
+
+ Object.defineProperty( this, 'id', { value: bufferGeometryId += 2 } );
+
+ this.uuid = _Math.generateUUID();
+
+ this.name = '';
+ this.type = 'BufferGeometry';
+
+ this.index = null;
+ this.attributes = {};
+
+ this.morphAttributes = {};
+
+ this.groups = [];
+
+ this.boundingBox = null;
+ this.boundingSphere = null;
+
+ this.drawRange = { start: 0, count: Infinity };
+
+ }
+
+ BufferGeometry.prototype = Object.assign( Object.create( EventDispatcher.prototype ), {
+
+ constructor: BufferGeometry,
+
+ isBufferGeometry: true,
+
+ getIndex: function () {
+
+ return this.index;
+
+ },
+
+ setIndex: function ( index ) {
+
+ if ( Array.isArray( index ) ) {
+
+ this.index = new ( arrayMax( index ) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute )( index, 1 );
+
+ } else {
+
+ this.index = index;
+
+ }
+
+ },
+
+ addAttribute: function ( name, attribute ) {
+
+ if ( ! ( attribute && attribute.isBufferAttribute ) && ! ( attribute && attribute.isInterleavedBufferAttribute ) ) {
+
+ console.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' );
+
+ this.addAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) );
+
+ return;
+
+ }
+
+ if ( name === 'index' ) {
+
+ console.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' );
+ this.setIndex( attribute );
+
+ return;
+
+ }
+
+ this.attributes[ name ] = attribute;
+
+ return this;
+
+ },
+
+ getAttribute: function ( name ) {
+
+ return this.attributes[ name ];
+
+ },
+
+ removeAttribute: function ( name ) {
+
+ delete this.attributes[ name ];
+
+ return this;
+
+ },
+
+ addGroup: function ( start, count, materialIndex ) {
+
+ this.groups.push( {
+
+ start: start,
+ count: count,
+ materialIndex: materialIndex !== undefined ? materialIndex : 0
+
+ } );
+
+ },
+
+ clearGroups: function () {
+
+ this.groups = [];
+
+ },
+
+ setDrawRange: function ( start, count ) {
+
+ this.drawRange.start = start;
+ this.drawRange.count = count;
+
+ },
+
+ applyMatrix: function ( matrix ) {
+
+ var position = this.attributes.position;
+
+ if ( position !== undefined ) {
+
+ matrix.applyToBufferAttribute( position );
+ position.needsUpdate = true;
+
+ }
+
+ var normal = this.attributes.normal;
+
+ if ( normal !== undefined ) {
+
+ var normalMatrix = new Matrix3().getNormalMatrix( matrix );
+
+ normalMatrix.applyToBufferAttribute( normal );
+ normal.needsUpdate = true;
+
+ }
+
+ if ( this.boundingBox !== null ) {
+
+ this.computeBoundingBox();
+
+ }
+
+ if ( this.boundingSphere !== null ) {
+
+ this.computeBoundingSphere();
+
+ }
+
+ return this;
+
+ },
+
+ rotateX: function () {
+
+ // rotate geometry around world x-axis
+
+ var m1 = new Matrix4();
+
+ return function rotateX( angle ) {
+
+ m1.makeRotationX( angle );
+
+ this.applyMatrix( m1 );
+
+ return this;
+
+ };
+
+ }(),
+
+ rotateY: function () {
+
+ // rotate geometry around world y-axis
+
+ var m1 = new Matrix4();
+
+ return function rotateY( angle ) {
+
+ m1.makeRotationY( angle );
+
+ this.applyMatrix( m1 );
+
+ return this;
+
+ };
+
+ }(),
+
+ rotateZ: function () {
+
+ // rotate geometry around world z-axis
+
+ var m1 = new Matrix4();
+
+ return function rotateZ( angle ) {
+
+ m1.makeRotationZ( angle );
+
+ this.applyMatrix( m1 );
+
+ return this;
+
+ };
+
+ }(),
+
+ translate: function () {
+
+ // translate geometry
+
+ var m1 = new Matrix4();
+
+ return function translate( x, y, z ) {
+
+ m1.makeTranslation( x, y, z );
+
+ this.applyMatrix( m1 );
+
+ return this;
+
+ };
+
+ }(),
+
+ scale: function () {
+
+ // scale geometry
+
+ var m1 = new Matrix4();
+
+ return function scale( x, y, z ) {
+
+ m1.makeScale( x, y, z );
+
+ this.applyMatrix( m1 );
+
+ return this;
+
+ };
+
+ }(),
+
+ lookAt: function () {
+
+ var obj = new Object3D();
+
+ return function lookAt( vector ) {
+
+ obj.lookAt( vector );
+
+ obj.updateMatrix();
+
+ this.applyMatrix( obj.matrix );
+
+ };
+
+ }(),
+
+ center: function () {
+
+ this.computeBoundingBox();
+
+ var offset = this.boundingBox.getCenter().negate();
+
+ this.translate( offset.x, offset.y, offset.z );
+
+ return offset;
+
+ },
+
+ setFromObject: function ( object ) {
+
+ // console.log( 'THREE.BufferGeometry.setFromObject(). Converting', object, this );
+
+ var geometry = object.geometry;
+
+ if ( object.isPoints || object.isLine ) {
+
+ var positions = new Float32BufferAttribute( geometry.vertices.length * 3, 3 );
+ var colors = new Float32BufferAttribute( geometry.colors.length * 3, 3 );
+
+ this.addAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) );
+ this.addAttribute( 'color', colors.copyColorsArray( geometry.colors ) );
+
+ if ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) {
+
+ var lineDistances = new Float32BufferAttribute( geometry.lineDistances.length, 1 );
+
+ this.addAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) );
+
+ }
+
+ if ( geometry.boundingSphere !== null ) {
+
+ this.boundingSphere = geometry.boundingSphere.clone();
+
+ }
+
+ if ( geometry.boundingBox !== null ) {
+
+ this.boundingBox = geometry.boundingBox.clone();
+
+ }
+
+ } else if ( object.isMesh ) {
+
+ if ( geometry && geometry.isGeometry ) {
+
+ this.fromGeometry( geometry );
+
+ }
+
+ }
+
+ return this;
+
+ },
+
+ setFromPoints: function ( points ) {
+
+ var position = [];
+
+ for ( var i = 0, l = points.length; i < l; i ++ ) {
+
+ var point = points[ i ];
+ position.push( point.x, point.y, point.z || 0 );
+
+ }
+
+ this.addAttribute( 'position', new Float32BufferAttribute( position, 3 ) );
+
+ return this;
+
+ },
+
+ updateFromObject: function ( object ) {
+
+ var geometry = object.geometry;
+
+ if ( object.isMesh ) {
+
+ var direct = geometry.__directGeometry;
+
+ if ( geometry.elementsNeedUpdate === true ) {
+
+ direct = undefined;
+ geometry.elementsNeedUpdate = false;
+
+ }
+
+ if ( direct === undefined ) {
+
+ return this.fromGeometry( geometry );
+
+ }
+
+ direct.verticesNeedUpdate = geometry.verticesNeedUpdate;
+ direct.normalsNeedUpdate = geometry.normalsNeedUpdate;
+ direct.colorsNeedUpdate = geometry.colorsNeedUpdate;
+ direct.uvsNeedUpdate = geometry.uvsNeedUpdate;
+ direct.groupsNeedUpdate = geometry.groupsNeedUpdate;
+
+ geometry.verticesNeedUpdate = false;
+ geometry.normalsNeedUpdate = false;
+ geometry.colorsNeedUpdate = false;
+ geometry.uvsNeedUpdate = false;
+ geometry.groupsNeedUpdate = false;
+
+ geometry = direct;
+
+ }
+
+ var attribute;
+
+ if ( geometry.verticesNeedUpdate === true ) {
+
+ attribute = this.attributes.position;
+
+ if ( attribute !== undefined ) {
+
+ attribute.copyVector3sArray( geometry.vertices );
+ attribute.needsUpdate = true;
+
+ }
+
+ geometry.verticesNeedUpdate = false;
+
+ }
+
+ if ( geometry.normalsNeedUpdate === true ) {
+
+ attribute = this.attributes.normal;
+
+ if ( attribute !== undefined ) {
+
+ attribute.copyVector3sArray( geometry.normals );
+ attribute.needsUpdate = true;
+
+ }
+
+ geometry.normalsNeedUpdate = false;
+
+ }
+
+ if ( geometry.colorsNeedUpdate === true ) {
+
+ attribute = this.attributes.color;
+
+ if ( attribute !== undefined ) {
+
+ attribute.copyColorsArray( geometry.colors );
+ attribute.needsUpdate = true;
+
+ }
+
+ geometry.colorsNeedUpdate = false;
+
+ }
+
+ if ( geometry.uvsNeedUpdate ) {
+
+ attribute = this.attributes.uv;
+
+ if ( attribute !== undefined ) {
+
+ attribute.copyVector2sArray( geometry.uvs );
+ attribute.needsUpdate = true;
+
+ }
+
+ geometry.uvsNeedUpdate = false;
+
+ }
+
+ if ( geometry.lineDistancesNeedUpdate ) {
+
+ attribute = this.attributes.lineDistance;
+
+ if ( attribute !== undefined ) {
+
+ attribute.copyArray( geometry.lineDistances );
+ attribute.needsUpdate = true;
+
+ }
+
+ geometry.lineDistancesNeedUpdate = false;
+
+ }
+
+ if ( geometry.groupsNeedUpdate ) {
+
+ geometry.computeGroups( object.geometry );
+ this.groups = geometry.groups;
+
+ geometry.groupsNeedUpdate = false;
+
+ }
+
+ return this;
+
+ },
+
+ fromGeometry: function ( geometry ) {
+
+ geometry.__directGeometry = new DirectGeometry().fromGeometry( geometry );
+
+ return this.fromDirectGeometry( geometry.__directGeometry );
+
+ },
+
+ fromDirectGeometry: function ( geometry ) {
+
+ var positions = new Float32Array( geometry.vertices.length * 3 );
+ this.addAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) );
+
+ if ( geometry.normals.length > 0 ) {
+
+ var normals = new Float32Array( geometry.normals.length * 3 );
+ this.addAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) );
+
+ }
+
+ if ( geometry.colors.length > 0 ) {
+
+ var colors = new Float32Array( geometry.colors.length * 3 );
+ this.addAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) );
+
+ }
+
+ if ( geometry.uvs.length > 0 ) {
+
+ var uvs = new Float32Array( geometry.uvs.length * 2 );
+ this.addAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) );
+
+ }
+
+ if ( geometry.uvs2.length > 0 ) {
+
+ var uvs2 = new Float32Array( geometry.uvs2.length * 2 );
+ this.addAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) );
+
+ }
+
+ if ( geometry.indices.length > 0 ) {
+
+ var TypeArray = arrayMax( geometry.indices ) > 65535 ? Uint32Array : Uint16Array;
+ var indices = new TypeArray( geometry.indices.length * 3 );
+ this.setIndex( new BufferAttribute( indices, 1 ).copyIndicesArray( geometry.indices ) );
+
+ }
+
+ // groups
+
+ this.groups = geometry.groups;
+
+ // morphs
+
+ for ( var name in geometry.morphTargets ) {
+
+ var array = [];
+ var morphTargets = geometry.morphTargets[ name ];
+
+ for ( var i = 0, l = morphTargets.length; i < l; i ++ ) {
+
+ var morphTarget = morphTargets[ i ];
+
+ var attribute = new Float32BufferAttribute( morphTarget.length * 3, 3 );
+
+ array.push( attribute.copyVector3sArray( morphTarget ) );
+
+ }
+
+ this.morphAttributes[ name ] = array;
+
+ }
+
+ // skinning
+
+ if ( geometry.skinIndices.length > 0 ) {
+
+ var skinIndices = new Float32BufferAttribute( geometry.skinIndices.length * 4, 4 );
+ this.addAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) );
+
+ }
+
+ if ( geometry.skinWeights.length > 0 ) {
+
+ var skinWeights = new Float32BufferAttribute( geometry.skinWeights.length * 4, 4 );
+ this.addAttribute( 'skinWeight', skinWeights.copyVector4sArray( geometry.skinWeights ) );
+
+ }
+
+ //
+
+ if ( geometry.boundingSphere !== null ) {
+
+ this.boundingSphere = geometry.boundingSphere.clone();
+
+ }
+
+ if ( geometry.boundingBox !== null ) {
+
+ this.boundingBox = geometry.boundingBox.clone();
+
+ }
+
+ return this;
+
+ },
+
+ computeBoundingBox: function () {
+
+ if ( this.boundingBox === null ) {
+
+ this.boundingBox = new Box3();
+
+ }
+
+ var position = this.attributes.position;
+
+ if ( position !== undefined ) {
+
+ this.boundingBox.setFromBufferAttribute( position );
+
+ } else {
+
+ this.boundingBox.makeEmpty();
+
+ }
+
+ if ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {
+
+ console.error( 'THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The "position" attribute is likely to have NaN values.', this );
+
+ }
+
+ },
+
+ computeBoundingSphere: function () {
+
+ var box = new Box3();
+ var vector = new Vector3();
+
+ return function computeBoundingSphere() {
+
+ if ( this.boundingSphere === null ) {
+
+ this.boundingSphere = new Sphere();
+
+ }
+
+ var position = this.attributes.position;
+
+ if ( position ) {
+
+ var center = this.boundingSphere.center;
+
+ box.setFromBufferAttribute( position );
+ box.getCenter( center );
+
+ // hoping to find a boundingSphere with a radius smaller than the
+ // boundingSphere of the boundingBox: sqrt(3) smaller in the best case
+
+ var maxRadiusSq = 0;
+
+ for ( var i = 0, il = position.count; i < il; i ++ ) {
+
+ vector.x = position.getX( i );
+ vector.y = position.getY( i );
+ vector.z = position.getZ( i );
+ maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( vector ) );
+
+ }
+
+ this.boundingSphere.radius = Math.sqrt( maxRadiusSq );
+
+ if ( isNaN( this.boundingSphere.radius ) ) {
+
+ console.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.', this );
+
+ }
+
+ }
+
+ };
+
+ }(),
+
+ computeFaceNormals: function () {
+
+ // backwards compatibility
+
+ },
+
+ computeVertexNormals: function () {
+
+ var index = this.index;
+ var attributes = this.attributes;
+ var groups = this.groups;
+
+ if ( attributes.position ) {
+
+ var positions = attributes.position.array;
+
+ if ( attributes.normal === undefined ) {
+
+ this.addAttribute( 'normal', new BufferAttribute( new Float32Array( positions.length ), 3 ) );
+
+ } else {
+
+ // reset existing normals to zero
+
+ var array = attributes.normal.array;
+
+ for ( var i = 0, il = array.length; i < il; i ++ ) {
+
+ array[ i ] = 0;
+
+ }
+
+ }
+
+ var normals = attributes.normal.array;
+
+ var vA, vB, vC;
+ var pA = new Vector3(), pB = new Vector3(), pC = new Vector3();
+ var cb = new Vector3(), ab = new Vector3();
+
+ // indexed elements
+
+ if ( index ) {
+
+ var indices = index.array;
+
+ if ( groups.length === 0 ) {
+
+ this.addGroup( 0, indices.length );
+
+ }
+
+ for ( var j = 0, jl = groups.length; j < jl; ++ j ) {
+
+ var group = groups[ j ];
+
+ var start = group.start;
+ var count = group.count;
+
+ for ( var i = start, il = start + count; i < il; i += 3 ) {
+
+ vA = indices[ i + 0 ] * 3;
+ vB = indices[ i + 1 ] * 3;
+ vC = indices[ i + 2 ] * 3;
+
+ pA.fromArray( positions, vA );
+ pB.fromArray( positions, vB );
+ pC.fromArray( positions, vC );
+
+ cb.subVectors( pC, pB );
+ ab.subVectors( pA, pB );
+ cb.cross( ab );
+
+ normals[ vA ] += cb.x;
+ normals[ vA + 1 ] += cb.y;
+ normals[ vA + 2 ] += cb.z;
+
+ normals[ vB ] += cb.x;
+ normals[ vB + 1 ] += cb.y;
+ normals[ vB + 2 ] += cb.z;
+
+ normals[ vC ] += cb.x;
+ normals[ vC + 1 ] += cb.y;
+ normals[ vC + 2 ] += cb.z;
+
+ }
+
+ }
+
+ } else {
+
+ // non-indexed elements (unconnected triangle soup)
+
+ for ( var i = 0, il = positions.length; i < il; i += 9 ) {
+
+ pA.fromArray( positions, i );
+ pB.fromArray( positions, i + 3 );
+ pC.fromArray( positions, i + 6 );
+
+ cb.subVectors( pC, pB );
+ ab.subVectors( pA, pB );
+ cb.cross( ab );
+
+ normals[ i ] = cb.x;
+ normals[ i + 1 ] = cb.y;
+ normals[ i + 2 ] = cb.z;
+
+ normals[ i + 3 ] = cb.x;
+ normals[ i + 4 ] = cb.y;
+ normals[ i + 5 ] = cb.z;
+
+ normals[ i + 6 ] = cb.x;
+ normals[ i + 7 ] = cb.y;
+ normals[ i + 8 ] = cb.z;
+
+ }
+
+ }
+
+ this.normalizeNormals();
+
+ attributes.normal.needsUpdate = true;
+
+ }
+
+ },
+
+ merge: function ( geometry, offset ) {
+
+ if ( ! ( geometry && geometry.isBufferGeometry ) ) {
+
+ console.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry );
+ return;
+
+ }
+
+ if ( offset === undefined ) offset = 0;
+
+ var attributes = this.attributes;
+
+ for ( var key in attributes ) {
+
+ if ( geometry.attributes[ key ] === undefined ) continue;
+
+ var attribute1 = attributes[ key ];
+ var attributeArray1 = attribute1.array;
+
+ var attribute2 = geometry.attributes[ key ];
+ var attributeArray2 = attribute2.array;
+
+ var attributeSize = attribute2.itemSize;
+
+ for ( var i = 0, j = attributeSize * offset; i < attributeArray2.length; i ++, j ++ ) {
+
+ attributeArray1[ j ] = attributeArray2[ i ];
+
+ }
+
+ }
+
+ return this;
+
+ },
+
+ normalizeNormals: function () {
+
+ var vector = new Vector3();
+
+ return function normalizeNormals() {
+
+ var normals = this.attributes.normal;
+
+ for ( var i = 0, il = normals.count; i < il; i ++ ) {
+
+ vector.x = normals.getX( i );
+ vector.y = normals.getY( i );
+ vector.z = normals.getZ( i );
+
+ vector.normalize();
+
+ normals.setXYZ( i, vector.x, vector.y, vector.z );
+
+ }
+
+ };
+
+ }(),
+
+ toNonIndexed: function () {
+
+ if ( this.index === null ) {
+
+ console.warn( 'THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed.' );
+ return this;
+
+ }
+
+ var geometry2 = new BufferGeometry();
+
+ var indices = this.index.array;
+ var attributes = this.attributes;
+
+ for ( var name in attributes ) {
+
+ var attribute = attributes[ name ];
+
+ var array = attribute.array;
+ var itemSize = attribute.itemSize;
+
+ var array2 = new array.constructor( indices.length * itemSize );
+
+ var index = 0, index2 = 0;
+
+ for ( var i = 0, l = indices.length; i < l; i ++ ) {
+
+ index = indices[ i ] * itemSize;
+
+ for ( var j = 0; j < itemSize; j ++ ) {
+
+ array2[ index2 ++ ] = array[ index ++ ];
+
+ }
+
+ }
+
+ geometry2.addAttribute( name, new BufferAttribute( array2, itemSize ) );
+
+ }
+
+ return geometry2;
+
+ },
+
+ toJSON: function () {
+
+ var data = {
+ metadata: {
+ version: 4.5,
+ type: 'BufferGeometry',
+ generator: 'BufferGeometry.toJSON'
+ }
+ };
+
+ // standard BufferGeometry serialization
+
+ data.uuid = this.uuid;
+ data.type = this.type;
+ if ( this.name !== '' ) data.name = this.name;
+
+ if ( this.parameters !== undefined ) {
+
+ var parameters = this.parameters;
+
+ for ( var key in parameters ) {
+
+ if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];
+
+ }
+
+ return data;
+
+ }
+
+ data.data = { attributes: {} };
+
+ var index = this.index;
+
+ if ( index !== null ) {
+
+ var array = Array.prototype.slice.call( index.array );
+
+ data.data.index = {
+ type: index.array.constructor.name,
+ array: array
+ };
+
+ }
+
+ var attributes = this.attributes;
+
+ for ( var key in attributes ) {
+
+ var attribute = attributes[ key ];
+
+ var array = Array.prototype.slice.call( attribute.array );
+
+ data.data.attributes[ key ] = {
+ itemSize: attribute.itemSize,
+ type: attribute.array.constructor.name,
+ array: array,
+ normalized: attribute.normalized
+ };
+
+ }
+
+ var groups = this.groups;
+
+ if ( groups.length > 0 ) {
+
+ data.data.groups = JSON.parse( JSON.stringify( groups ) );
+
+ }
+
+ var boundingSphere = this.boundingSphere;
+
+ if ( boundingSphere !== null ) {
+
+ data.data.boundingSphere = {
+ center: boundingSphere.center.toArray(),
+ radius: boundingSphere.radius
+ };
+
+ }
+
+ return data;
+
+ },
+
+ clone: function () {
+
+ /*
+ // Handle primitives
+
+ var parameters = this.parameters;
+
+ if ( parameters !== undefined ) {
+
+ var values = [];
+
+ for ( var key in parameters ) {
+
+ values.push( parameters[ key ] );
+
+ }
+
+ var geometry = Object.create( this.constructor.prototype );
+ this.constructor.apply( geometry, values );
+ return geometry;
+
+ }
+
+ return new this.constructor().copy( this );
+ */
+
+ return new BufferGeometry().copy( this );
+
+ },
+
+ copy: function ( source ) {
+
+ var name, i, l;
+
+ // reset
+
+ this.index = null;
+ this.attributes = {};
+ this.morphAttributes = {};
+ this.groups = [];
+ this.boundingBox = null;
+ this.boundingSphere = null;
+
+ // name
+
+ this.name = source.name;
+
+ // index
+
+ var index = source.index;
+
+ if ( index !== null ) {
+
+ this.setIndex( index.clone() );
+
+ }
+
+ // attributes
+
+ var attributes = source.attributes;
+
+ for ( name in attributes ) {
+
+ var attribute = attributes[ name ];
+ this.addAttribute( name, attribute.clone() );
+
+ }
+
+ // morph attributes
+
+ var morphAttributes = source.morphAttributes;
+
+ for ( name in morphAttributes ) {
+
+ var array = [];
+ var morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes
+
+ for ( i = 0, l = morphAttribute.length; i < l; i ++ ) {
+
+ array.push( morphAttribute[ i ].clone() );
+
+ }
+
+ this.morphAttributes[ name ] = array;
+
+ }
+
+ // groups
+
+ var groups = source.groups;
+
+ for ( i = 0, l = groups.length; i < l; i ++ ) {
+
+ var group = groups[ i ];
+ this.addGroup( group.start, group.count, group.materialIndex );
+
+ }
+
+ // bounding box
+
+ var boundingBox = source.boundingBox;
+
+ if ( boundingBox !== null ) {
+
+ this.boundingBox = boundingBox.clone();
+
+ }
+
+ // bounding sphere
+
+ var boundingSphere = source.boundingSphere;
+
+ if ( boundingSphere !== null ) {
+
+ this.boundingSphere = boundingSphere.clone();
+
+ }
+
+ // draw range
+
+ this.drawRange.start = source.drawRange.start;
+ this.drawRange.count = source.drawRange.count;
+
+ return this;
+
+ },
+
+ dispose: function () {
+
+ this.dispatchEvent( { type: 'dispose' } );
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author Mugen87 / https://github.com/Mugen87
+ */
+
+ // BoxGeometry
+
+ function BoxGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {
+
+ Geometry.call( this );
+
+ this.type = 'BoxGeometry';
+
+ this.parameters = {
+ width: width,
+ height: height,
+ depth: depth,
+ widthSegments: widthSegments,
+ heightSegments: heightSegments,
+ depthSegments: depthSegments
+ };
+
+ this.fromBufferGeometry( new BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) );
+ this.mergeVertices();
+
+ }
+
+ BoxGeometry.prototype = Object.create( Geometry.prototype );
+ BoxGeometry.prototype.constructor = BoxGeometry;
+
+ // BoxBufferGeometry
+
+ function BoxBufferGeometry( width, height, depth, widthSegments, heightSegments, depthSegments ) {
+
+ BufferGeometry.call( this );
+
+ this.type = 'BoxBufferGeometry';
+
+ this.parameters = {
+ width: width,
+ height: height,
+ depth: depth,
+ widthSegments: widthSegments,
+ heightSegments: heightSegments,
+ depthSegments: depthSegments
+ };
+
+ var scope = this;
+
+ width = width || 1;
+ height = height || 1;
+ depth = depth || 1;
+
+ // segments
+
+ widthSegments = Math.floor( widthSegments ) || 1;
+ heightSegments = Math.floor( heightSegments ) || 1;
+ depthSegments = Math.floor( depthSegments ) || 1;
+
+ // buffers
+
+ var indices = [];
+ var vertices = [];
+ var normals = [];
+ var uvs = [];
+
+ // helper variables
+
+ var numberOfVertices = 0;
+ var groupStart = 0;
+
+ // build each side of the box geometry
+
+ buildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px
+ buildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx
+ buildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py
+ buildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny
+ buildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz
+ buildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz
+
+ // build geometry
+
+ this.setIndex( indices );
+ this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+ this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );
+ this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );
+
+ function buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {
+
+ var segmentWidth = width / gridX;
+ var segmentHeight = height / gridY;
+
+ var widthHalf = width / 2;
+ var heightHalf = height / 2;
+ var depthHalf = depth / 2;
+
+ var gridX1 = gridX + 1;
+ var gridY1 = gridY + 1;
+
+ var vertexCounter = 0;
+ var groupCount = 0;
+
+ var ix, iy;
+
+ var vector = new Vector3();
+
+ // generate vertices, normals and uvs
+
+ for ( iy = 0; iy < gridY1; iy ++ ) {
+
+ var y = iy * segmentHeight - heightHalf;
+
+ for ( ix = 0; ix < gridX1; ix ++ ) {
+
+ var x = ix * segmentWidth - widthHalf;
+
+ // set values to correct vector component
+
+ vector[ u ] = x * udir;
+ vector[ v ] = y * vdir;
+ vector[ w ] = depthHalf;
+
+ // now apply vector to vertex buffer
+
+ vertices.push( vector.x, vector.y, vector.z );
+
+ // set values to correct vector component
+
+ vector[ u ] = 0;
+ vector[ v ] = 0;
+ vector[ w ] = depth > 0 ? 1 : - 1;
+
+ // now apply vector to normal buffer
+
+ normals.push( vector.x, vector.y, vector.z );
+
+ // uvs
+
+ uvs.push( ix / gridX );
+ uvs.push( 1 - ( iy / gridY ) );
+
+ // counters
+
+ vertexCounter += 1;
+
+ }
+
+ }
+
+ // indices
+
+ // 1. you need three indices to draw a single face
+ // 2. a single segment consists of two faces
+ // 3. so we need to generate six (2*3) indices per segment
+
+ for ( iy = 0; iy < gridY; iy ++ ) {
+
+ for ( ix = 0; ix < gridX; ix ++ ) {
+
+ var a = numberOfVertices + ix + gridX1 * iy;
+ var b = numberOfVertices + ix + gridX1 * ( iy + 1 );
+ var c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );
+ var d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;
+
+ // faces
+
+ indices.push( a, b, d );
+ indices.push( b, c, d );
+
+ // increase counter
+
+ groupCount += 6;
+
+ }
+
+ }
+
+ // add a group to the geometry. this will ensure multi material support
+
+ scope.addGroup( groupStart, groupCount, materialIndex );
+
+ // calculate new start value for groups
+
+ groupStart += groupCount;
+
+ // update total number of vertices
+
+ numberOfVertices += vertexCounter;
+
+ }
+
+ }
+
+ BoxBufferGeometry.prototype = Object.create( BufferGeometry.prototype );
+ BoxBufferGeometry.prototype.constructor = BoxBufferGeometry;
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author Mugen87 / https://github.com/Mugen87
+ */
+
+ // PlaneGeometry
+
+ function PlaneGeometry( width, height, widthSegments, heightSegments ) {
+
+ Geometry.call( this );
+
+ this.type = 'PlaneGeometry';
+
+ this.parameters = {
+ width: width,
+ height: height,
+ widthSegments: widthSegments,
+ heightSegments: heightSegments
+ };
+
+ this.fromBufferGeometry( new PlaneBufferGeometry( width, height, widthSegments, heightSegments ) );
+ this.mergeVertices();
+
+ }
+
+ PlaneGeometry.prototype = Object.create( Geometry.prototype );
+ PlaneGeometry.prototype.constructor = PlaneGeometry;
+
+ // PlaneBufferGeometry
+
+ function PlaneBufferGeometry( width, height, widthSegments, heightSegments ) {
+
+ BufferGeometry.call( this );
+
+ this.type = 'PlaneBufferGeometry';
+
+ this.parameters = {
+ width: width,
+ height: height,
+ widthSegments: widthSegments,
+ heightSegments: heightSegments
+ };
+
+ width = width || 1;
+ height = height || 1;
+
+ var width_half = width / 2;
+ var height_half = height / 2;
+
+ var gridX = Math.floor( widthSegments ) || 1;
+ var gridY = Math.floor( heightSegments ) || 1;
+
+ var gridX1 = gridX + 1;
+ var gridY1 = gridY + 1;
+
+ var segment_width = width / gridX;
+ var segment_height = height / gridY;
+
+ var ix, iy;
+
+ // buffers
+
+ var indices = [];
+ var vertices = [];
+ var normals = [];
+ var uvs = [];
+
+ // generate vertices, normals and uvs
+
+ for ( iy = 0; iy < gridY1; iy ++ ) {
+
+ var y = iy * segment_height - height_half;
+
+ for ( ix = 0; ix < gridX1; ix ++ ) {
+
+ var x = ix * segment_width - width_half;
+
+ vertices.push( x, - y, 0 );
+
+ normals.push( 0, 0, 1 );
+
+ uvs.push( ix / gridX );
+ uvs.push( 1 - ( iy / gridY ) );
+
+ }
+
+ }
+
+ // indices
+
+ for ( iy = 0; iy < gridY; iy ++ ) {
+
+ for ( ix = 0; ix < gridX; ix ++ ) {
+
+ var a = ix + gridX1 * iy;
+ var b = ix + gridX1 * ( iy + 1 );
+ var c = ( ix + 1 ) + gridX1 * ( iy + 1 );
+ var d = ( ix + 1 ) + gridX1 * iy;
+
+ // faces
+
+ indices.push( a, b, d );
+ indices.push( b, c, d );
+
+ }
+
+ }
+
+ // build geometry
+
+ this.setIndex( indices );
+ this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+ this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );
+ this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );
+
+ }
+
+ PlaneBufferGeometry.prototype = Object.create( BufferGeometry.prototype );
+ PlaneBufferGeometry.prototype.constructor = PlaneBufferGeometry;
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * parameters = {
+ * color: <hex>,
+ * opacity: <float>,
+ * map: new THREE.Texture( <Image> ),
+ *
+ * lightMap: new THREE.Texture( <Image> ),
+ * lightMapIntensity: <float>
+ *
+ * aoMap: new THREE.Texture( <Image> ),
+ * aoMapIntensity: <float>
+ *
+ * specularMap: new THREE.Texture( <Image> ),
+ *
+ * alphaMap: new THREE.Texture( <Image> ),
+ *
+ * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),
+ * combine: THREE.Multiply,
+ * reflectivity: <float>,
+ * refractionRatio: <float>,
+ *
+ * depthTest: <bool>,
+ * depthWrite: <bool>,
+ *
+ * wireframe: <boolean>,
+ * wireframeLinewidth: <float>,
+ *
+ * skinning: <bool>,
+ * morphTargets: <bool>
+ * }
+ */
+
+ function MeshBasicMaterial( parameters ) {
+
+ Material.call( this );
+
+ this.type = 'MeshBasicMaterial';
+
+ this.color = new Color( 0xffffff ); // emissive
+
+ this.map = null;
+
+ this.lightMap = null;
+ this.lightMapIntensity = 1.0;
+
+ this.aoMap = null;
+ this.aoMapIntensity = 1.0;
+
+ this.specularMap = null;
+
+ this.alphaMap = null;
+
+ this.envMap = null;
+ this.combine = MultiplyOperation;
+ this.reflectivity = 1;
+ this.refractionRatio = 0.98;
+
+ this.wireframe = false;
+ this.wireframeLinewidth = 1;
+ this.wireframeLinecap = 'round';
+ this.wireframeLinejoin = 'round';
+
+ this.skinning = false;
+ this.morphTargets = false;
+
+ this.lights = false;
+
+ this.setValues( parameters );
+
+ }
+
+ MeshBasicMaterial.prototype = Object.create( Material.prototype );
+ MeshBasicMaterial.prototype.constructor = MeshBasicMaterial;
+
+ MeshBasicMaterial.prototype.isMeshBasicMaterial = true;
+
+ MeshBasicMaterial.prototype.copy = function ( source ) {
+
+ Material.prototype.copy.call( this, source );
+
+ this.color.copy( source.color );
+
+ this.map = source.map;
+
+ this.lightMap = source.lightMap;
+ this.lightMapIntensity = source.lightMapIntensity;
+
+ this.aoMap = source.aoMap;
+ this.aoMapIntensity = source.aoMapIntensity;
+
+ this.specularMap = source.specularMap;
+
+ this.alphaMap = source.alphaMap;
+
+ this.envMap = source.envMap;
+ this.combine = source.combine;
+ this.reflectivity = source.reflectivity;
+ this.refractionRatio = source.refractionRatio;
+
+ this.wireframe = source.wireframe;
+ this.wireframeLinewidth = source.wireframeLinewidth;
+ this.wireframeLinecap = source.wireframeLinecap;
+ this.wireframeLinejoin = source.wireframeLinejoin;
+
+ this.skinning = source.skinning;
+ this.morphTargets = source.morphTargets;
+
+ return this;
+
+ };
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * parameters = {
+ * defines: { "label" : "value" },
+ * uniforms: { "parameter1": { value: 1.0 }, "parameter2": { value2: 2 } },
+ *
+ * fragmentShader: <string>,
+ * vertexShader: <string>,
+ *
+ * wireframe: <boolean>,
+ * wireframeLinewidth: <float>,
+ *
+ * lights: <bool>,
+ *
+ * skinning: <bool>,
+ * morphTargets: <bool>,
+ * morphNormals: <bool>
+ * }
+ */
+
+ function ShaderMaterial( parameters ) {
+
+ Material.call( this );
+
+ this.type = 'ShaderMaterial';
+
+ this.defines = {};
+ this.uniforms = {};
+
+ this.vertexShader = 'void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}';
+ this.fragmentShader = 'void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}';
+
+ this.linewidth = 1;
+
+ this.wireframe = false;
+ this.wireframeLinewidth = 1;
+
+ this.fog = false; // set to use scene fog
+ this.lights = false; // set to use scene lights
+ this.clipping = false; // set to use user-defined clipping planes
+
+ this.skinning = false; // set to use skinning attribute streams
+ this.morphTargets = false; // set to use morph targets
+ this.morphNormals = false; // set to use morph normals
+
+ this.extensions = {
+ derivatives: false, // set to use derivatives
+ fragDepth: false, // set to use fragment depth values
+ drawBuffers: false, // set to use draw buffers
+ shaderTextureLOD: false // set to use shader texture LOD
+ };
+
+ // When rendered geometry doesn't include these attributes but the material does,
+ // use these default values in WebGL. This avoids errors when buffer data is missing.
+ this.defaultAttributeValues = {
+ 'color': [ 1, 1, 1 ],
+ 'uv': [ 0, 0 ],
+ 'uv2': [ 0, 0 ]
+ };
+
+ this.index0AttributeName = undefined;
+
+ if ( parameters !== undefined ) {
+
+ if ( parameters.attributes !== undefined ) {
+
+ console.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' );
+
+ }
+
+ this.setValues( parameters );
+
+ }
+
+ }
+
+ ShaderMaterial.prototype = Object.create( Material.prototype );
+ ShaderMaterial.prototype.constructor = ShaderMaterial;
+
+ ShaderMaterial.prototype.isShaderMaterial = true;
+
+ ShaderMaterial.prototype.copy = function ( source ) {
+
+ Material.prototype.copy.call( this, source );
+
+ this.fragmentShader = source.fragmentShader;
+ this.vertexShader = source.vertexShader;
+
+ this.uniforms = UniformsUtils.clone( source.uniforms );
+
+ this.defines = source.defines;
+
+ this.wireframe = source.wireframe;
+ this.wireframeLinewidth = source.wireframeLinewidth;
+
+ this.lights = source.lights;
+ this.clipping = source.clipping;
+
+ this.skinning = source.skinning;
+
+ this.morphTargets = source.morphTargets;
+ this.morphNormals = source.morphNormals;
+
+ this.extensions = source.extensions;
+
+ return this;
+
+ };
+
+ ShaderMaterial.prototype.toJSON = function ( meta ) {
+
+ var data = Material.prototype.toJSON.call( this, meta );
+
+ data.uniforms = this.uniforms;
+ data.vertexShader = this.vertexShader;
+ data.fragmentShader = this.fragmentShader;
+
+ return data;
+
+ };
+
+ /**
+ * @author bhouston / http://clara.io
+ */
+
+ function Ray( origin, direction ) {
+
+ this.origin = ( origin !== undefined ) ? origin : new Vector3();
+ this.direction = ( direction !== undefined ) ? direction : new Vector3();
+
+ }
+
+ Object.assign( Ray.prototype, {
+
+ set: function ( origin, direction ) {
+
+ this.origin.copy( origin );
+ this.direction.copy( direction );
+
+ return this;
+
+ },
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ },
+
+ copy: function ( ray ) {
+
+ this.origin.copy( ray.origin );
+ this.direction.copy( ray.direction );
+
+ return this;
+
+ },
+
+ at: function ( t, optionalTarget ) {
+
+ var result = optionalTarget || new Vector3();
+
+ return result.copy( this.direction ).multiplyScalar( t ).add( this.origin );
+
+ },
+
+ lookAt: function ( v ) {
+
+ this.direction.copy( v ).sub( this.origin ).normalize();
+
+ return this;
+
+ },
+
+ recast: function () {
+
+ var v1 = new Vector3();
+
+ return function recast( t ) {
+
+ this.origin.copy( this.at( t, v1 ) );
+
+ return this;
+
+ };
+
+ }(),
+
+ closestPointToPoint: function ( point, optionalTarget ) {
+
+ var result = optionalTarget || new Vector3();
+ result.subVectors( point, this.origin );
+ var directionDistance = result.dot( this.direction );
+
+ if ( directionDistance < 0 ) {
+
+ return result.copy( this.origin );
+
+ }
+
+ return result.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );
+
+ },
+
+ distanceToPoint: function ( point ) {
+
+ return Math.sqrt( this.distanceSqToPoint( point ) );
+
+ },
+
+ distanceSqToPoint: function () {
+
+ var v1 = new Vector3();
+
+ return function distanceSqToPoint( point ) {
+
+ var directionDistance = v1.subVectors( point, this.origin ).dot( this.direction );
+
+ // point behind the ray
+
+ if ( directionDistance < 0 ) {
+
+ return this.origin.distanceToSquared( point );
+
+ }
+
+ v1.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );
+
+ return v1.distanceToSquared( point );
+
+ };
+
+ }(),
+
+ distanceSqToSegment: function () {
+
+ var segCenter = new Vector3();
+ var segDir = new Vector3();
+ var diff = new Vector3();
+
+ return function distanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {
+
+ // from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h
+ // It returns the min distance between the ray and the segment
+ // defined by v0 and v1
+ // It can also set two optional targets :
+ // - The closest point on the ray
+ // - The closest point on the segment
+
+ segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );
+ segDir.copy( v1 ).sub( v0 ).normalize();
+ diff.copy( this.origin ).sub( segCenter );
+
+ var segExtent = v0.distanceTo( v1 ) * 0.5;
+ var a01 = - this.direction.dot( segDir );
+ var b0 = diff.dot( this.direction );
+ var b1 = - diff.dot( segDir );
+ var c = diff.lengthSq();
+ var det = Math.abs( 1 - a01 * a01 );
+ var s0, s1, sqrDist, extDet;
+
+ if ( det > 0 ) {
+
+ // The ray and segment are not parallel.
+
+ s0 = a01 * b1 - b0;
+ s1 = a01 * b0 - b1;
+ extDet = segExtent * det;
+
+ if ( s0 >= 0 ) {
+
+ if ( s1 >= - extDet ) {
+
+ if ( s1 <= extDet ) {
+
+ // region 0
+ // Minimum at interior points of ray and segment.
+
+ var invDet = 1 / det;
+ s0 *= invDet;
+ s1 *= invDet;
+ sqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;
+
+ } else {
+
+ // region 1
+
+ s1 = segExtent;
+ s0 = Math.max( 0, - ( a01 * s1 + b0 ) );
+ sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;
+
+ }
+
+ } else {
+
+ // region 5
+
+ s1 = - segExtent;
+ s0 = Math.max( 0, - ( a01 * s1 + b0 ) );
+ sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;
+
+ }
+
+ } else {
+
+ if ( s1 <= - extDet ) {
+
+ // region 4
+
+ s0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );
+ s1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );
+ sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;
+
+ } else if ( s1 <= extDet ) {
+
+ // region 3
+
+ s0 = 0;
+ s1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );
+ sqrDist = s1 * ( s1 + 2 * b1 ) + c;
+
+ } else {
+
+ // region 2
+
+ s0 = Math.max( 0, - ( a01 * segExtent + b0 ) );
+ s1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );
+ sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;
+
+ }
+
+ }
+
+ } else {
+
+ // Ray and segment are parallel.
+
+ s1 = ( a01 > 0 ) ? - segExtent : segExtent;
+ s0 = Math.max( 0, - ( a01 * s1 + b0 ) );
+ sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;
+
+ }
+
+ if ( optionalPointOnRay ) {
+
+ optionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin );
+
+ }
+
+ if ( optionalPointOnSegment ) {
+
+ optionalPointOnSegment.copy( segDir ).multiplyScalar( s1 ).add( segCenter );
+
+ }
+
+ return sqrDist;
+
+ };
+
+ }(),
+
+ intersectSphere: function () {
+
+ var v1 = new Vector3();
+
+ return function intersectSphere( sphere, optionalTarget ) {
+
+ v1.subVectors( sphere.center, this.origin );
+ var tca = v1.dot( this.direction );
+ var d2 = v1.dot( v1 ) - tca * tca;
+ var radius2 = sphere.radius * sphere.radius;
+
+ if ( d2 > radius2 ) return null;
+
+ var thc = Math.sqrt( radius2 - d2 );
+
+ // t0 = first intersect point - entrance on front of sphere
+ var t0 = tca - thc;
+
+ // t1 = second intersect point - exit point on back of sphere
+ var t1 = tca + thc;
+
+ // test to see if both t0 and t1 are behind the ray - if so, return null
+ if ( t0 < 0 && t1 < 0 ) return null;
+
+ // test to see if t0 is behind the ray:
+ // if it is, the ray is inside the sphere, so return the second exit point scaled by t1,
+ // in order to always return an intersect point that is in front of the ray.
+ if ( t0 < 0 ) return this.at( t1, optionalTarget );
+
+ // else t0 is in front of the ray, so return the first collision point scaled by t0
+ return this.at( t0, optionalTarget );
+
+ };
+
+ }(),
+
+ intersectsSphere: function ( sphere ) {
+
+ return this.distanceToPoint( sphere.center ) <= sphere.radius;
+
+ },
+
+ distanceToPlane: function ( plane ) {
+
+ var denominator = plane.normal.dot( this.direction );
+
+ if ( denominator === 0 ) {
+
+ // line is coplanar, return origin
+ if ( plane.distanceToPoint( this.origin ) === 0 ) {
+
+ return 0;
+
+ }
+
+ // Null is preferable to undefined since undefined means.... it is undefined
+
+ return null;
+
+ }
+
+ var t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;
+
+ // Return if the ray never intersects the plane
+
+ return t >= 0 ? t : null;
+
+ },
+
+ intersectPlane: function ( plane, optionalTarget ) {
+
+ var t = this.distanceToPlane( plane );
+
+ if ( t === null ) {
+
+ return null;
+
+ }
+
+ return this.at( t, optionalTarget );
+
+ },
+
+ intersectsPlane: function ( plane ) {
+
+ // check if the ray lies on the plane first
+
+ var distToPoint = plane.distanceToPoint( this.origin );
+
+ if ( distToPoint === 0 ) {
+
+ return true;
+
+ }
+
+ var denominator = plane.normal.dot( this.direction );
+
+ if ( denominator * distToPoint < 0 ) {
+
+ return true;
+
+ }
+
+ // ray origin is behind the plane (and is pointing behind it)
+
+ return false;
+
+ },
+
+ intersectBox: function ( box, optionalTarget ) {
+
+ var tmin, tmax, tymin, tymax, tzmin, tzmax;
+
+ var invdirx = 1 / this.direction.x,
+ invdiry = 1 / this.direction.y,
+ invdirz = 1 / this.direction.z;
+
+ var origin = this.origin;
+
+ if ( invdirx >= 0 ) {
+
+ tmin = ( box.min.x - origin.x ) * invdirx;
+ tmax = ( box.max.x - origin.x ) * invdirx;
+
+ } else {
+
+ tmin = ( box.max.x - origin.x ) * invdirx;
+ tmax = ( box.min.x - origin.x ) * invdirx;
+
+ }
+
+ if ( invdiry >= 0 ) {
+
+ tymin = ( box.min.y - origin.y ) * invdiry;
+ tymax = ( box.max.y - origin.y ) * invdiry;
+
+ } else {
+
+ tymin = ( box.max.y - origin.y ) * invdiry;
+ tymax = ( box.min.y - origin.y ) * invdiry;
+
+ }
+
+ if ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;
+
+ // These lines also handle the case where tmin or tmax is NaN
+ // (result of 0 * Infinity). x !== x returns true if x is NaN
+
+ if ( tymin > tmin || tmin !== tmin ) tmin = tymin;
+
+ if ( tymax < tmax || tmax !== tmax ) tmax = tymax;
+
+ if ( invdirz >= 0 ) {
+
+ tzmin = ( box.min.z - origin.z ) * invdirz;
+ tzmax = ( box.max.z - origin.z ) * invdirz;
+
+ } else {
+
+ tzmin = ( box.max.z - origin.z ) * invdirz;
+ tzmax = ( box.min.z - origin.z ) * invdirz;
+
+ }
+
+ if ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;
+
+ if ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;
+
+ if ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;
+
+ //return point closest to the ray (positive side)
+
+ if ( tmax < 0 ) return null;
+
+ return this.at( tmin >= 0 ? tmin : tmax, optionalTarget );
+
+ },
+
+ intersectsBox: ( function () {
+
+ var v = new Vector3();
+
+ return function intersectsBox( box ) {
+
+ return this.intersectBox( box, v ) !== null;
+
+ };
+
+ } )(),
+
+ intersectTriangle: function () {
+
+ // Compute the offset origin, edges, and normal.
+ var diff = new Vector3();
+ var edge1 = new Vector3();
+ var edge2 = new Vector3();
+ var normal = new Vector3();
+
+ return function intersectTriangle( a, b, c, backfaceCulling, optionalTarget ) {
+
+ // from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h
+
+ edge1.subVectors( b, a );
+ edge2.subVectors( c, a );
+ normal.crossVectors( edge1, edge2 );
+
+ // Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,
+ // E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by
+ // |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))
+ // |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))
+ // |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)
+ var DdN = this.direction.dot( normal );
+ var sign;
+
+ if ( DdN > 0 ) {
+
+ if ( backfaceCulling ) return null;
+ sign = 1;
+
+ } else if ( DdN < 0 ) {
+
+ sign = - 1;
+ DdN = - DdN;
+
+ } else {
+
+ return null;
+
+ }
+
+ diff.subVectors( this.origin, a );
+ var DdQxE2 = sign * this.direction.dot( edge2.crossVectors( diff, edge2 ) );
+
+ // b1 < 0, no intersection
+ if ( DdQxE2 < 0 ) {
+
+ return null;
+
+ }
+
+ var DdE1xQ = sign * this.direction.dot( edge1.cross( diff ) );
+
+ // b2 < 0, no intersection
+ if ( DdE1xQ < 0 ) {
+
+ return null;
+
+ }
+
+ // b1+b2 > 1, no intersection
+ if ( DdQxE2 + DdE1xQ > DdN ) {
+
+ return null;
+
+ }
+
+ // Line intersects triangle, check if ray does.
+ var QdN = - sign * diff.dot( normal );
+
+ // t < 0, no intersection
+ if ( QdN < 0 ) {
+
+ return null;
+
+ }
+
+ // Ray intersects triangle.
+ return this.at( QdN / DdN, optionalTarget );
+
+ };
+
+ }(),
+
+ applyMatrix4: function ( matrix4 ) {
+
+ this.origin.applyMatrix4( matrix4 );
+ this.direction.transformDirection( matrix4 );
+
+ return this;
+
+ },
+
+ equals: function ( ray ) {
+
+ return ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );
+
+ }
+
+ } );
+
+ /**
+ * @author bhouston / http://clara.io
+ */
+
+ function Line3( start, end ) {
+
+ this.start = ( start !== undefined ) ? start : new Vector3();
+ this.end = ( end !== undefined ) ? end : new Vector3();
+
+ }
+
+ Object.assign( Line3.prototype, {
+
+ set: function ( start, end ) {
+
+ this.start.copy( start );
+ this.end.copy( end );
+
+ return this;
+
+ },
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ },
+
+ copy: function ( line ) {
+
+ this.start.copy( line.start );
+ this.end.copy( line.end );
+
+ return this;
+
+ },
+
+ getCenter: function ( optionalTarget ) {
+
+ var result = optionalTarget || new Vector3();
+ return result.addVectors( this.start, this.end ).multiplyScalar( 0.5 );
+
+ },
+
+ delta: function ( optionalTarget ) {
+
+ var result = optionalTarget || new Vector3();
+ return result.subVectors( this.end, this.start );
+
+ },
+
+ distanceSq: function () {
+
+ return this.start.distanceToSquared( this.end );
+
+ },
+
+ distance: function () {
+
+ return this.start.distanceTo( this.end );
+
+ },
+
+ at: function ( t, optionalTarget ) {
+
+ var result = optionalTarget || new Vector3();
+
+ return this.delta( result ).multiplyScalar( t ).add( this.start );
+
+ },
+
+ closestPointToPointParameter: function () {
+
+ var startP = new Vector3();
+ var startEnd = new Vector3();
+
+ return function closestPointToPointParameter( point, clampToLine ) {
+
+ startP.subVectors( point, this.start );
+ startEnd.subVectors( this.end, this.start );
+
+ var startEnd2 = startEnd.dot( startEnd );
+ var startEnd_startP = startEnd.dot( startP );
+
+ var t = startEnd_startP / startEnd2;
+
+ if ( clampToLine ) {
+
+ t = _Math.clamp( t, 0, 1 );
+
+ }
+
+ return t;
+
+ };
+
+ }(),
+
+ closestPointToPoint: function ( point, clampToLine, optionalTarget ) {
+
+ var t = this.closestPointToPointParameter( point, clampToLine );
+
+ var result = optionalTarget || new Vector3();
+
+ return this.delta( result ).multiplyScalar( t ).add( this.start );
+
+ },
+
+ applyMatrix4: function ( matrix ) {
+
+ this.start.applyMatrix4( matrix );
+ this.end.applyMatrix4( matrix );
+
+ return this;
+
+ },
+
+ equals: function ( line ) {
+
+ return line.start.equals( this.start ) && line.end.equals( this.end );
+
+ }
+
+ } );
+
+ /**
+ * @author bhouston / http://clara.io
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function Triangle( a, b, c ) {
+
+ this.a = ( a !== undefined ) ? a : new Vector3();
+ this.b = ( b !== undefined ) ? b : new Vector3();
+ this.c = ( c !== undefined ) ? c : new Vector3();
+
+ }
+
+ Object.assign( Triangle, {
+
+ normal: function () {
+
+ var v0 = new Vector3();
+
+ return function normal( a, b, c, optionalTarget ) {
+
+ var result = optionalTarget || new Vector3();
+
+ result.subVectors( c, b );
+ v0.subVectors( a, b );
+ result.cross( v0 );
+
+ var resultLengthSq = result.lengthSq();
+ if ( resultLengthSq > 0 ) {
+
+ return result.multiplyScalar( 1 / Math.sqrt( resultLengthSq ) );
+
+ }
+
+ return result.set( 0, 0, 0 );
+
+ };
+
+ }(),
+
+ // static/instance method to calculate barycentric coordinates
+ // based on: http://www.blackpawn.com/texts/pointinpoly/default.html
+ barycoordFromPoint: function () {
+
+ var v0 = new Vector3();
+ var v1 = new Vector3();
+ var v2 = new Vector3();
+
+ return function barycoordFromPoint( point, a, b, c, optionalTarget ) {
+
+ v0.subVectors( c, a );
+ v1.subVectors( b, a );
+ v2.subVectors( point, a );
+
+ var dot00 = v0.dot( v0 );
+ var dot01 = v0.dot( v1 );
+ var dot02 = v0.dot( v2 );
+ var dot11 = v1.dot( v1 );
+ var dot12 = v1.dot( v2 );
+
+ var denom = ( dot00 * dot11 - dot01 * dot01 );
+
+ var result = optionalTarget || new Vector3();
+
+ // collinear or singular triangle
+ if ( denom === 0 ) {
+
+ // arbitrary location outside of triangle?
+ // not sure if this is the best idea, maybe should be returning undefined
+ return result.set( - 2, - 1, - 1 );
+
+ }
+
+ var invDenom = 1 / denom;
+ var u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;
+ var v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;
+
+ // barycentric coordinates must always sum to 1
+ return result.set( 1 - u - v, v, u );
+
+ };
+
+ }(),
+
+ containsPoint: function () {
+
+ var v1 = new Vector3();
+
+ return function containsPoint( point, a, b, c ) {
+
+ var result = Triangle.barycoordFromPoint( point, a, b, c, v1 );
+
+ return ( result.x >= 0 ) && ( result.y >= 0 ) && ( ( result.x + result.y ) <= 1 );
+
+ };
+
+ }()
+
+ } );
+
+ Object.assign( Triangle.prototype, {
+
+ set: function ( a, b, c ) {
+
+ this.a.copy( a );
+ this.b.copy( b );
+ this.c.copy( c );
+
+ return this;
+
+ },
+
+ setFromPointsAndIndices: function ( points, i0, i1, i2 ) {
+
+ this.a.copy( points[ i0 ] );
+ this.b.copy( points[ i1 ] );
+ this.c.copy( points[ i2 ] );
+
+ return this;
+
+ },
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ },
+
+ copy: function ( triangle ) {
+
+ this.a.copy( triangle.a );
+ this.b.copy( triangle.b );
+ this.c.copy( triangle.c );
+
+ return this;
+
+ },
+
+ area: function () {
+
+ var v0 = new Vector3();
+ var v1 = new Vector3();
+
+ return function area() {
+
+ v0.subVectors( this.c, this.b );
+ v1.subVectors( this.a, this.b );
+
+ return v0.cross( v1 ).length() * 0.5;
+
+ };
+
+ }(),
+
+ midpoint: function ( optionalTarget ) {
+
+ var result = optionalTarget || new Vector3();
+ return result.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );
+
+ },
+
+ normal: function ( optionalTarget ) {
+
+ return Triangle.normal( this.a, this.b, this.c, optionalTarget );
+
+ },
+
+ plane: function ( optionalTarget ) {
+
+ var result = optionalTarget || new Plane();
+
+ return result.setFromCoplanarPoints( this.a, this.b, this.c );
+
+ },
+
+ barycoordFromPoint: function ( point, optionalTarget ) {
+
+ return Triangle.barycoordFromPoint( point, this.a, this.b, this.c, optionalTarget );
+
+ },
+
+ containsPoint: function ( point ) {
+
+ return Triangle.containsPoint( point, this.a, this.b, this.c );
+
+ },
+
+ closestPointToPoint: function () {
+
+ var plane = new Plane();
+ var edgeList = [ new Line3(), new Line3(), new Line3() ];
+ var projectedPoint = new Vector3();
+ var closestPoint = new Vector3();
+
+ return function closestPointToPoint( point, optionalTarget ) {
+
+ var result = optionalTarget || new Vector3();
+ var minDistance = Infinity;
+
+ // project the point onto the plane of the triangle
+
+ plane.setFromCoplanarPoints( this.a, this.b, this.c );
+ plane.projectPoint( point, projectedPoint );
+
+ // check if the projection lies within the triangle
+
+ if ( this.containsPoint( projectedPoint ) === true ) {
+
+ // if so, this is the closest point
+
+ result.copy( projectedPoint );
+
+ } else {
+
+ // if not, the point falls outside the triangle. the result is the closest point to the triangle's edges or vertices
+
+ edgeList[ 0 ].set( this.a, this.b );
+ edgeList[ 1 ].set( this.b, this.c );
+ edgeList[ 2 ].set( this.c, this.a );
+
+ for ( var i = 0; i < edgeList.length; i ++ ) {
+
+ edgeList[ i ].closestPointToPoint( projectedPoint, true, closestPoint );
+
+ var distance = projectedPoint.distanceToSquared( closestPoint );
+
+ if ( distance < minDistance ) {
+
+ minDistance = distance;
+
+ result.copy( closestPoint );
+
+ }
+
+ }
+
+ }
+
+ return result;
+
+ };
+
+ }(),
+
+ equals: function ( triangle ) {
+
+ return triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ * @author mikael emtinger / http://gomo.se/
+ * @author jonobr1 / http://jonobr1.com/
+ */
+
+ function Mesh( geometry, material ) {
+
+ Object3D.call( this );
+
+ this.type = 'Mesh';
+
+ this.geometry = geometry !== undefined ? geometry : new BufferGeometry();
+ this.material = material !== undefined ? material : new MeshBasicMaterial( { color: Math.random() * 0xffffff } );
+
+ this.drawMode = TrianglesDrawMode;
+
+ this.updateMorphTargets();
+
+ }
+
+ Mesh.prototype = Object.assign( Object.create( Object3D.prototype ), {
+
+ constructor: Mesh,
+
+ isMesh: true,
+
+ setDrawMode: function ( value ) {
+
+ this.drawMode = value;
+
+ },
+
+ copy: function ( source ) {
+
+ Object3D.prototype.copy.call( this, source );
+
+ this.drawMode = source.drawMode;
+
+ if ( source.morphTargetInfluences !== undefined ) {
+
+ this.morphTargetInfluences = source.morphTargetInfluences.slice();
+
+ }
+
+ if ( source.morphTargetDictionary !== undefined ) {
+
+ this.morphTargetDictionary = Object.assign( {}, source.morphTargetDictionary );
+
+ }
+
+ return this;
+
+ },
+
+ updateMorphTargets: function () {
+
+ var geometry = this.geometry;
+ var m, ml, name;
+
+ if ( geometry.isBufferGeometry ) {
+
+ var morphAttributes = geometry.morphAttributes;
+ var keys = Object.keys( morphAttributes );
+
+ if ( keys.length > 0 ) {
+
+ var morphAttribute = morphAttributes[ keys[ 0 ] ];
+
+ if ( morphAttribute !== undefined ) {
+
+ this.morphTargetInfluences = [];
+ this.morphTargetDictionary = {};
+
+ for ( m = 0, ml = morphAttribute.length; m < ml; m ++ ) {
+
+ name = morphAttribute[ m ].name || String( m );
+
+ this.morphTargetInfluences.push( 0 );
+ this.morphTargetDictionary[ name ] = m;
+
+ }
+
+ }
+
+ }
+
+ } else {
+
+ var morphTargets = geometry.morphTargets;
+
+ if ( morphTargets !== undefined && morphTargets.length > 0 ) {
+
+ this.morphTargetInfluences = [];
+ this.morphTargetDictionary = {};
+
+ for ( m = 0, ml = morphTargets.length; m < ml; m ++ ) {
+
+ name = morphTargets[ m ].name || String( m );
+
+ this.morphTargetInfluences.push( 0 );
+ this.morphTargetDictionary[ name ] = m;
+
+ }
+
+ }
+
+ }
+
+ },
+
+ raycast: ( function () {
+
+ var inverseMatrix = new Matrix4();
+ var ray = new Ray();
+ var sphere = new Sphere();
+
+ var vA = new Vector3();
+ var vB = new Vector3();
+ var vC = new Vector3();
+
+ var tempA = new Vector3();
+ var tempB = new Vector3();
+ var tempC = new Vector3();
+
+ var uvA = new Vector2();
+ var uvB = new Vector2();
+ var uvC = new Vector2();
+
+ var barycoord = new Vector3();
+
+ var intersectionPoint = new Vector3();
+ var intersectionPointWorld = new Vector3();
+
+ function uvIntersection( point, p1, p2, p3, uv1, uv2, uv3 ) {
+
+ Triangle.barycoordFromPoint( point, p1, p2, p3, barycoord );
+
+ uv1.multiplyScalar( barycoord.x );
+ uv2.multiplyScalar( barycoord.y );
+ uv3.multiplyScalar( barycoord.z );
+
+ uv1.add( uv2 ).add( uv3 );
+
+ return uv1.clone();
+
+ }
+
+ function checkIntersection( object, material, raycaster, ray, pA, pB, pC, point ) {
+
+ var intersect;
+
+ if ( material.side === BackSide ) {
+
+ intersect = ray.intersectTriangle( pC, pB, pA, true, point );
+
+ } else {
+
+ intersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point );
+
+ }
+
+ if ( intersect === null ) return null;
+
+ intersectionPointWorld.copy( point );
+ intersectionPointWorld.applyMatrix4( object.matrixWorld );
+
+ var distance = raycaster.ray.origin.distanceTo( intersectionPointWorld );
+
+ if ( distance < raycaster.near || distance > raycaster.far ) return null;
+
+ return {
+ distance: distance,
+ point: intersectionPointWorld.clone(),
+ object: object
+ };
+
+ }
+
+ function checkBufferGeometryIntersection( object, raycaster, ray, position, uv, a, b, c ) {
+
+ vA.fromBufferAttribute( position, a );
+ vB.fromBufferAttribute( position, b );
+ vC.fromBufferAttribute( position, c );
+
+ var intersection = checkIntersection( object, object.material, raycaster, ray, vA, vB, vC, intersectionPoint );
+
+ if ( intersection ) {
+
+ if ( uv ) {
+
+ uvA.fromBufferAttribute( uv, a );
+ uvB.fromBufferAttribute( uv, b );
+ uvC.fromBufferAttribute( uv, c );
+
+ intersection.uv = uvIntersection( intersectionPoint, vA, vB, vC, uvA, uvB, uvC );
+
+ }
+
+ intersection.face = new Face3( a, b, c, Triangle.normal( vA, vB, vC ) );
+ intersection.faceIndex = a;
+
+ }
+
+ return intersection;
+
+ }
+
+ return function raycast( raycaster, intersects ) {
+
+ var geometry = this.geometry;
+ var material = this.material;
+ var matrixWorld = this.matrixWorld;
+
+ if ( material === undefined ) return;
+
+ // Checking boundingSphere distance to ray
+
+ if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();
+
+ sphere.copy( geometry.boundingSphere );
+ sphere.applyMatrix4( matrixWorld );
+
+ if ( raycaster.ray.intersectsSphere( sphere ) === false ) return;
+
+ //
+
+ inverseMatrix.getInverse( matrixWorld );
+ ray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );
+
+ // Check boundingBox before continuing
+
+ if ( geometry.boundingBox !== null ) {
+
+ if ( ray.intersectsBox( geometry.boundingBox ) === false ) return;
+
+ }
+
+ var intersection;
+
+ if ( geometry.isBufferGeometry ) {
+
+ var a, b, c;
+ var index = geometry.index;
+ var position = geometry.attributes.position;
+ var uv = geometry.attributes.uv;
+ var i, l;
+
+ if ( index !== null ) {
+
+ // indexed buffer geometry
+
+ for ( i = 0, l = index.count; i < l; i += 3 ) {
+
+ a = index.getX( i );
+ b = index.getX( i + 1 );
+ c = index.getX( i + 2 );
+
+ intersection = checkBufferGeometryIntersection( this, raycaster, ray, position, uv, a, b, c );
+
+ if ( intersection ) {
+
+ intersection.faceIndex = Math.floor( i / 3 ); // triangle number in indices buffer semantics
+ intersects.push( intersection );
+
+ }
+
+ }
+
+ } else if ( position !== undefined ) {
+
+ // non-indexed buffer geometry
+
+ for ( i = 0, l = position.count; i < l; i += 3 ) {
+
+ a = i;
+ b = i + 1;
+ c = i + 2;
+
+ intersection = checkBufferGeometryIntersection( this, raycaster, ray, position, uv, a, b, c );
+
+ if ( intersection ) {
+
+ intersection.index = a; // triangle number in positions buffer semantics
+ intersects.push( intersection );
+
+ }
+
+ }
+
+ }
+
+ } else if ( geometry.isGeometry ) {
+
+ var fvA, fvB, fvC;
+ var isMultiMaterial = Array.isArray( material );
+
+ var vertices = geometry.vertices;
+ var faces = geometry.faces;
+ var uvs;
+
+ var faceVertexUvs = geometry.faceVertexUvs[ 0 ];
+ if ( faceVertexUvs.length > 0 ) uvs = faceVertexUvs;
+
+ for ( var f = 0, fl = faces.length; f < fl; f ++ ) {
+
+ var face = faces[ f ];
+ var faceMaterial = isMultiMaterial ? material[ face.materialIndex ] : material;
+
+ if ( faceMaterial === undefined ) continue;
+
+ fvA = vertices[ face.a ];
+ fvB = vertices[ face.b ];
+ fvC = vertices[ face.c ];
+
+ if ( faceMaterial.morphTargets === true ) {
+
+ var morphTargets = geometry.morphTargets;
+ var morphInfluences = this.morphTargetInfluences;
+
+ vA.set( 0, 0, 0 );
+ vB.set( 0, 0, 0 );
+ vC.set( 0, 0, 0 );
+
+ for ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) {
+
+ var influence = morphInfluences[ t ];
+
+ if ( influence === 0 ) continue;
+
+ var targets = morphTargets[ t ].vertices;
+
+ vA.addScaledVector( tempA.subVectors( targets[ face.a ], fvA ), influence );
+ vB.addScaledVector( tempB.subVectors( targets[ face.b ], fvB ), influence );
+ vC.addScaledVector( tempC.subVectors( targets[ face.c ], fvC ), influence );
+
+ }
+
+ vA.add( fvA );
+ vB.add( fvB );
+ vC.add( fvC );
+
+ fvA = vA;
+ fvB = vB;
+ fvC = vC;
+
+ }
+
+ intersection = checkIntersection( this, faceMaterial, raycaster, ray, fvA, fvB, fvC, intersectionPoint );
+
+ if ( intersection ) {
+
+ if ( uvs && uvs[ f ] ) {
+
+ var uvs_f = uvs[ f ];
+ uvA.copy( uvs_f[ 0 ] );
+ uvB.copy( uvs_f[ 1 ] );
+ uvC.copy( uvs_f[ 2 ] );
+
+ intersection.uv = uvIntersection( intersectionPoint, fvA, fvB, fvC, uvA, uvB, uvC );
+
+ }
+
+ intersection.face = face;
+ intersection.faceIndex = f;
+ intersects.push( intersection );
+
+ }
+
+ }
+
+ }
+
+ };
+
+ }() ),
+
+ clone: function () {
+
+ return new this.constructor( this.geometry, this.material ).copy( this );
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function WebGLBackground( renderer, state, geometries, premultipliedAlpha ) {
+
+ var clearColor = new Color( 0x000000 );
+ var clearAlpha = 0;
+
+ var planeCamera, planeMesh;
+ var boxMesh;
+
+ function render( renderList, scene, camera, forceClear ) {
+
+ var background = scene.background;
+
+ if ( background === null ) {
+
+ setClear( clearColor, clearAlpha );
+
+ } else if ( background && background.isColor ) {
+
+ setClear( background, 1 );
+ forceClear = true;
+
+ }
+
+ if ( renderer.autoClear || forceClear ) {
+
+ renderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil );
+
+ }
+
+ if ( background && background.isCubeTexture ) {
+
+ if ( boxMesh === undefined ) {
+
+ boxMesh = new Mesh(
+ new BoxBufferGeometry( 1, 1, 1 ),
+ new ShaderMaterial( {
+ uniforms: ShaderLib.cube.uniforms,
+ vertexShader: ShaderLib.cube.vertexShader,
+ fragmentShader: ShaderLib.cube.fragmentShader,
+ side: BackSide,
+ depthTest: true,
+ depthWrite: false,
+ fog: false
+ } )
+ );
+
+ boxMesh.geometry.removeAttribute( 'normal' );
+ boxMesh.geometry.removeAttribute( 'uv' );
+
+ boxMesh.onBeforeRender = function ( renderer, scene, camera ) {
+
+ this.matrixWorld.copyPosition( camera.matrixWorld );
+
+ };
+
+ geometries.update( boxMesh.geometry );
+
+ }
+
+ boxMesh.material.uniforms.tCube.value = background;
+
+ renderList.push( boxMesh, boxMesh.geometry, boxMesh.material, 0, null );
+
+ } else if ( background && background.isTexture ) {
+
+ if ( planeCamera === undefined ) {
+
+ planeCamera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 );
+
+ planeMesh = new Mesh(
+ new PlaneBufferGeometry( 2, 2 ),
+ new MeshBasicMaterial( { depthTest: false, depthWrite: false, fog: false } )
+ );
+
+ geometries.update( planeMesh.geometry );
+
+ }
+
+ planeMesh.material.map = background;
+
+ // TODO Push this to renderList
+
+ renderer.renderBufferDirect( planeCamera, null, planeMesh.geometry, planeMesh.material, planeMesh, null );
+
+ }
+
+ }
+
+ function setClear( color, alpha ) {
+
+ state.buffers.color.setClear( color.r, color.g, color.b, alpha, premultipliedAlpha );
+
+ }
+
+ return {
+
+ getClearColor: function () {
+
+ return clearColor;
+
+ },
+ setClearColor: function ( color, alpha ) {
+
+ clearColor.set( color );
+ clearAlpha = alpha !== undefined ? alpha : 1;
+ setClear( clearColor, clearAlpha );
+
+ },
+ getClearAlpha: function () {
+
+ return clearAlpha;
+
+ },
+ setClearAlpha: function ( alpha ) {
+
+ clearAlpha = alpha;
+ setClear( clearColor, clearAlpha );
+
+ },
+ render: render
+
+ };
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function painterSortStable( a, b ) {
+
+ if ( a.renderOrder !== b.renderOrder ) {
+
+ return a.renderOrder - b.renderOrder;
+
+ } else if ( a.program && b.program && a.program !== b.program ) {
+
+ return a.program.id - b.program.id;
+
+ } else if ( a.material.id !== b.material.id ) {
+
+ return a.material.id - b.material.id;
+
+ } else if ( a.z !== b.z ) {
+
+ return a.z - b.z;
+
+ } else {
+
+ return a.id - b.id;
+
+ }
+
+ }
+
+ function reversePainterSortStable( a, b ) {
+
+ if ( a.renderOrder !== b.renderOrder ) {
+
+ return a.renderOrder - b.renderOrder;
+
+ } if ( a.z !== b.z ) {
+
+ return b.z - a.z;
+
+ } else {
+
+ return a.id - b.id;
+
+ }
+
+ }
+
+ function WebGLRenderList() {
+
+ var renderItems = [];
+ var renderItemsIndex = 0;
+
+ var opaque = [];
+ var transparent = [];
+
+ function init() {
+
+ renderItemsIndex = 0;
+
+ opaque.length = 0;
+ transparent.length = 0;
+
+ }
+
+ function push( object, geometry, material, z, group ) {
+
+ var renderItem = renderItems[ renderItemsIndex ];
+
+ if ( renderItem === undefined ) {
+
+ renderItem = {
+ id: object.id,
+ object: object,
+ geometry: geometry,
+ material: material,
+ program: material.program,
+ renderOrder: object.renderOrder,
+ z: z,
+ group: group
+ };
+
+ renderItems[ renderItemsIndex ] = renderItem;
+
+ } else {
+
+ renderItem.id = object.id;
+ renderItem.object = object;
+ renderItem.geometry = geometry;
+ renderItem.material = material;
+ renderItem.program = material.program;
+ renderItem.renderOrder = object.renderOrder;
+ renderItem.z = z;
+ renderItem.group = group;
+
+ }
+
+ ( material.transparent === true ? transparent : opaque ).push( renderItem );
+
+ renderItemsIndex ++;
+
+ }
+
+ function sort() {
+
+ if ( opaque.length > 1 ) opaque.sort( painterSortStable );
+ if ( transparent.length > 1 ) transparent.sort( reversePainterSortStable );
+
+ }
+
+ return {
+ opaque: opaque,
+ transparent: transparent,
+
+ init: init,
+ push: push,
+
+ sort: sort
+ };
+
+ }
+
+ function WebGLRenderLists() {
+
+ var lists = {};
+
+ function get( scene, camera ) {
+
+ var hash = scene.id + ',' + camera.id;
+ var list = lists[ hash ];
+
+ if ( list === undefined ) {
+
+ // console.log( 'THREE.WebGLRenderLists:', hash );
+
+ list = new WebGLRenderList();
+ lists[ hash ] = list;
+
+ }
+
+ return list;
+
+ }
+
+ function dispose() {
+
+ lists = {};
+
+ }
+
+ return {
+ get: get,
+ dispose: dispose
+ };
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function absNumericalSort( a, b ) {
+
+ return Math.abs( b[ 1 ] ) - Math.abs( a[ 1 ] );
+
+ }
+
+ function WebGLMorphtargets( gl ) {
+
+ var influencesList = {};
+ var morphInfluences = new Float32Array( 8 );
+
+ function update( object, geometry, material, program ) {
+
+ var objectInfluences = object.morphTargetInfluences;
+
+ var length = objectInfluences.length;
+
+ var influences = influencesList[ geometry.id ];
+
+ if ( influences === undefined ) {
+
+ // initialise list
+
+ influences = [];
+
+ for ( var i = 0; i < length; i ++ ) {
+
+ influences[ i ] = [ i, 0 ];
+
+ }
+
+ influencesList[ geometry.id ] = influences;
+
+ }
+
+ var morphTargets = material.morphTargets && geometry.morphAttributes.position;
+ var morphNormals = material.morphNormals && geometry.morphAttributes.normal;
+
+ // Remove current morphAttributes
+
+ for ( var i = 0; i < length; i ++ ) {
+
+ var influence = influences[ i ];
+
+ if ( influence[ 1 ] !== 0 ) {
+
+ if ( morphTargets ) geometry.removeAttribute( 'morphTarget' + i );
+ if ( morphNormals ) geometry.removeAttribute( 'morphNormal' + i );
+
+ }
+
+ }
+
+ // Collect influences
+
+ for ( var i = 0; i < length; i ++ ) {
+
+ var influence = influences[ i ];
+
+ influence[ 0 ] = i;
+ influence[ 1 ] = objectInfluences[ i ];
+
+ }
+
+ influences.sort( absNumericalSort );
+
+ // Add morphAttributes
+
+ for ( var i = 0; i < 8; i ++ ) {
+
+ var influence = influences[ i ];
+
+ if ( influence ) {
+
+ var index = influence[ 0 ];
+ var value = influence[ 1 ];
+
+ if ( value ) {
+
+ if ( morphTargets ) geometry.addAttribute( 'morphTarget' + i, morphTargets[ index ] );
+ if ( morphNormals ) geometry.addAttribute( 'morphNormal' + i, morphNormals[ index ] );
+
+ morphInfluences[ i ] = value;
+ continue;
+
+ }
+
+ }
+
+ morphInfluences[ i ] = 0;
+
+ }
+
+ program.getUniforms().setValue( gl, 'morphTargetInfluences', morphInfluences );
+
+ }
+
+ return {
+
+ update: update
+
+ };
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function WebGLIndexedBufferRenderer( gl, extensions, infoRender ) {
+
+ var mode;
+
+ function setMode( value ) {
+
+ mode = value;
+
+ }
+
+ var type, bytesPerElement;
+
+ function setIndex( value ) {
+
+ type = value.type;
+ bytesPerElement = value.bytesPerElement;
+
+ }
+
+ function render( start, count ) {
+
+ gl.drawElements( mode, count, type, start * bytesPerElement );
+
+ infoRender.calls ++;
+ infoRender.vertices += count;
+
+ if ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;
+ else if ( mode === gl.POINTS ) infoRender.points += count;
+
+ }
+
+ function renderInstances( geometry, start, count ) {
+
+ var extension = extensions.get( 'ANGLE_instanced_arrays' );
+
+ if ( extension === null ) {
+
+ console.error( 'THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );
+ return;
+
+ }
+
+ extension.drawElementsInstancedANGLE( mode, count, type, start * bytesPerElement, geometry.maxInstancedCount );
+
+ infoRender.calls ++;
+ infoRender.vertices += count * geometry.maxInstancedCount;
+
+ if ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;
+ else if ( mode === gl.POINTS ) infoRender.points += geometry.maxInstancedCount * count;
+
+ }
+
+ //
+
+ this.setMode = setMode;
+ this.setIndex = setIndex;
+ this.render = render;
+ this.renderInstances = renderInstances;
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function WebGLBufferRenderer( gl, extensions, infoRender ) {
+
+ var mode;
+
+ function setMode( value ) {
+
+ mode = value;
+
+ }
+
+ function render( start, count ) {
+
+ gl.drawArrays( mode, start, count );
+
+ infoRender.calls ++;
+ infoRender.vertices += count;
+
+ if ( mode === gl.TRIANGLES ) infoRender.faces += count / 3;
+ else if ( mode === gl.POINTS ) infoRender.points += count;
+
+ }
+
+ function renderInstances( geometry, start, count ) {
+
+ var extension = extensions.get( 'ANGLE_instanced_arrays' );
+
+ if ( extension === null ) {
+
+ console.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );
+ return;
+
+ }
+
+ var position = geometry.attributes.position;
+
+ if ( position.isInterleavedBufferAttribute ) {
+
+ count = position.data.count;
+
+ extension.drawArraysInstancedANGLE( mode, 0, count, geometry.maxInstancedCount );
+
+ } else {
+
+ extension.drawArraysInstancedANGLE( mode, start, count, geometry.maxInstancedCount );
+
+ }
+
+ infoRender.calls ++;
+ infoRender.vertices += count * geometry.maxInstancedCount;
+
+ if ( mode === gl.TRIANGLES ) infoRender.faces += geometry.maxInstancedCount * count / 3;
+ else if ( mode === gl.POINTS ) infoRender.points += geometry.maxInstancedCount * count;
+
+ }
+
+ //
+
+ this.setMode = setMode;
+ this.render = render;
+ this.renderInstances = renderInstances;
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function WebGLGeometries( gl, attributes, infoMemory ) {
+
+ var geometries = {};
+ var wireframeAttributes = {};
+
+ function onGeometryDispose( event ) {
+
+ var geometry = event.target;
+ var buffergeometry = geometries[ geometry.id ];
+
+ if ( buffergeometry.index !== null ) {
+
+ attributes.remove( buffergeometry.index );
+
+ }
+
+ for ( var name in buffergeometry.attributes ) {
+
+ attributes.remove( buffergeometry.attributes[ name ] );
+
+ }
+
+ geometry.removeEventListener( 'dispose', onGeometryDispose );
+
+ delete geometries[ geometry.id ];
+
+ // TODO Remove duplicate code
+
+ var attribute = wireframeAttributes[ geometry.id ];
+
+ if ( attribute ) {
+
+ attributes.remove( attribute );
+ delete wireframeAttributes[ geometry.id ];
+
+ }
+
+ attribute = wireframeAttributes[ buffergeometry.id ];
+
+ if ( attribute ) {
+
+ attributes.remove( attribute );
+ delete wireframeAttributes[ buffergeometry.id ];
+
+ }
+
+ //
+
+ infoMemory.geometries --;
+
+ }
+
+ function get( object, geometry ) {
+
+ var buffergeometry = geometries[ geometry.id ];
+
+ if ( buffergeometry ) return buffergeometry;
+
+ geometry.addEventListener( 'dispose', onGeometryDispose );
+
+ if ( geometry.isBufferGeometry ) {
+
+ buffergeometry = geometry;
+
+ } else if ( geometry.isGeometry ) {
+
+ if ( geometry._bufferGeometry === undefined ) {
+
+ geometry._bufferGeometry = new BufferGeometry().setFromObject( object );
+
+ }
+
+ buffergeometry = geometry._bufferGeometry;
+
+ }
+
+ geometries[ geometry.id ] = buffergeometry;
+
+ infoMemory.geometries ++;
+
+ return buffergeometry;
+
+ }
+
+ function update( geometry ) {
+
+ var index = geometry.index;
+ var geometryAttributes = geometry.attributes;
+
+ if ( index !== null ) {
+
+ attributes.update( index, gl.ELEMENT_ARRAY_BUFFER );
+
+ }
+
+ for ( var name in geometryAttributes ) {
+
+ attributes.update( geometryAttributes[ name ], gl.ARRAY_BUFFER );
+
+ }
+
+ // morph targets
+
+ var morphAttributes = geometry.morphAttributes;
+
+ for ( var name in morphAttributes ) {
+
+ var array = morphAttributes[ name ];
+
+ for ( var i = 0, l = array.length; i < l; i ++ ) {
+
+ attributes.update( array[ i ], gl.ARRAY_BUFFER );
+
+ }
+
+ }
+
+ }
+
+ function getWireframeAttribute( geometry ) {
+
+ var attribute = wireframeAttributes[ geometry.id ];
+
+ if ( attribute ) return attribute;
+
+ var indices = [];
+
+ var geometryIndex = geometry.index;
+ var geometryAttributes = geometry.attributes;
+
+ // console.time( 'wireframe' );
+
+ if ( geometryIndex !== null ) {
+
+ var array = geometryIndex.array;
+
+ for ( var i = 0, l = array.length; i < l; i += 3 ) {
+
+ var a = array[ i + 0 ];
+ var b = array[ i + 1 ];
+ var c = array[ i + 2 ];
+
+ indices.push( a, b, b, c, c, a );
+
+ }
+
+ } else {
+
+ var array = geometryAttributes.position.array;
+
+ for ( var i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {
+
+ var a = i + 0;
+ var b = i + 1;
+ var c = i + 2;
+
+ indices.push( a, b, b, c, c, a );
+
+ }
+
+ }
+
+ // console.timeEnd( 'wireframe' );
+
+ attribute = new ( arrayMax( indices ) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute )( indices, 1 );
+
+ attributes.update( attribute, gl.ELEMENT_ARRAY_BUFFER );
+
+ wireframeAttributes[ geometry.id ] = attribute;
+
+ return attribute;
+
+ }
+
+ return {
+
+ get: get,
+ update: update,
+
+ getWireframeAttribute: getWireframeAttribute
+
+ };
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function UniformsCache() {
+
+ var lights = {};
+
+ return {
+
+ get: function ( light ) {
+
+ if ( lights[ light.id ] !== undefined ) {
+
+ return lights[ light.id ];
+
+ }
+
+ var uniforms;
+
+ switch ( light.type ) {
+
+ case 'DirectionalLight':
+ uniforms = {
+ direction: new Vector3(),
+ color: new Color(),
+
+ shadow: false,
+ shadowBias: 0,
+ shadowRadius: 1,
+ shadowMapSize: new Vector2()
+ };
+ break;
+
+ case 'SpotLight':
+ uniforms = {
+ position: new Vector3(),
+ direction: new Vector3(),
+ color: new Color(),
+ distance: 0,
+ coneCos: 0,
+ penumbraCos: 0,
+ decay: 0,
+
+ shadow: false,
+ shadowBias: 0,
+ shadowRadius: 1,
+ shadowMapSize: new Vector2()
+ };
+ break;
+
+ case 'PointLight':
+ uniforms = {
+ position: new Vector3(),
+ color: new Color(),
+ distance: 0,
+ decay: 0,
+
+ shadow: false,
+ shadowBias: 0,
+ shadowRadius: 1,
+ shadowMapSize: new Vector2(),
+ shadowCameraNear: 1,
+ shadowCameraFar: 1000
+ };
+ break;
+
+ case 'HemisphereLight':
+ uniforms = {
+ direction: new Vector3(),
+ skyColor: new Color(),
+ groundColor: new Color()
+ };
+ break;
+
+ case 'RectAreaLight':
+ uniforms = {
+ color: new Color(),
+ position: new Vector3(),
+ halfWidth: new Vector3(),
+ halfHeight: new Vector3()
+ // TODO (abelnation): set RectAreaLight shadow uniforms
+ };
+ break;
+
+ }
+
+ lights[ light.id ] = uniforms;
+
+ return uniforms;
+
+ }
+
+ };
+
+ }
+
+ function WebGLLights() {
+
+ var cache = new UniformsCache();
+
+ var state = {
+
+ hash: '',
+
+ ambient: [ 0, 0, 0 ],
+ directional: [],
+ directionalShadowMap: [],
+ directionalShadowMatrix: [],
+ spot: [],
+ spotShadowMap: [],
+ spotShadowMatrix: [],
+ rectArea: [],
+ point: [],
+ pointShadowMap: [],
+ pointShadowMatrix: [],
+ hemi: []
+
+ };
+
+ var vector3 = new Vector3();
+ var matrix4 = new Matrix4();
+ var matrix42 = new Matrix4();
+
+ function setup( lights, shadows, camera ) {
+
+ var r = 0, g = 0, b = 0;
+
+ var directionalLength = 0;
+ var pointLength = 0;
+ var spotLength = 0;
+ var rectAreaLength = 0;
+ var hemiLength = 0;
+
+ var viewMatrix = camera.matrixWorldInverse;
+
+ for ( var i = 0, l = lights.length; i < l; i ++ ) {
+
+ var light = lights[ i ];
+
+ var color = light.color;
+ var intensity = light.intensity;
+ var distance = light.distance;
+
+ var shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;
+
+ if ( light.isAmbientLight ) {
+
+ r += color.r * intensity;
+ g += color.g * intensity;
+ b += color.b * intensity;
+
+ } else if ( light.isDirectionalLight ) {
+
+ var uniforms = cache.get( light );
+
+ uniforms.color.copy( light.color ).multiplyScalar( light.intensity );
+ uniforms.direction.setFromMatrixPosition( light.matrixWorld );
+ vector3.setFromMatrixPosition( light.target.matrixWorld );
+ uniforms.direction.sub( vector3 );
+ uniforms.direction.transformDirection( viewMatrix );
+
+ uniforms.shadow = light.castShadow;
+
+ if ( light.castShadow ) {
+
+ var shadow = light.shadow;
+
+ uniforms.shadowBias = shadow.bias;
+ uniforms.shadowRadius = shadow.radius;
+ uniforms.shadowMapSize = shadow.mapSize;
+
+ }
+
+ state.directionalShadowMap[ directionalLength ] = shadowMap;
+ state.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;
+ state.directional[ directionalLength ] = uniforms;
+
+ directionalLength ++;
+
+ } else if ( light.isSpotLight ) {
+
+ var uniforms = cache.get( light );
+
+ uniforms.position.setFromMatrixPosition( light.matrixWorld );
+ uniforms.position.applyMatrix4( viewMatrix );
+
+ uniforms.color.copy( color ).multiplyScalar( intensity );
+ uniforms.distance = distance;
+
+ uniforms.direction.setFromMatrixPosition( light.matrixWorld );
+ vector3.setFromMatrixPosition( light.target.matrixWorld );
+ uniforms.direction.sub( vector3 );
+ uniforms.direction.transformDirection( viewMatrix );
+
+ uniforms.coneCos = Math.cos( light.angle );
+ uniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );
+ uniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;
+
+ uniforms.shadow = light.castShadow;
+
+ if ( light.castShadow ) {
+
+ var shadow = light.shadow;
+
+ uniforms.shadowBias = shadow.bias;
+ uniforms.shadowRadius = shadow.radius;
+ uniforms.shadowMapSize = shadow.mapSize;
+
+ }
+
+ state.spotShadowMap[ spotLength ] = shadowMap;
+ state.spotShadowMatrix[ spotLength ] = light.shadow.matrix;
+ state.spot[ spotLength ] = uniforms;
+
+ spotLength ++;
+
+ } else if ( light.isRectAreaLight ) {
+
+ var uniforms = cache.get( light );
+
+ // (a) intensity controls irradiance of entire light
+ uniforms.color
+ .copy( color )
+ .multiplyScalar( intensity / ( light.width * light.height ) );
+
+ // (b) intensity controls the radiance per light area
+ // uniforms.color.copy( color ).multiplyScalar( intensity );
+
+ uniforms.position.setFromMatrixPosition( light.matrixWorld );
+ uniforms.position.applyMatrix4( viewMatrix );
+
+ // extract local rotation of light to derive width/height half vectors
+ matrix42.identity();
+ matrix4.copy( light.matrixWorld );
+ matrix4.premultiply( viewMatrix );
+ matrix42.extractRotation( matrix4 );
+
+ uniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );
+ uniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );
+
+ uniforms.halfWidth.applyMatrix4( matrix42 );
+ uniforms.halfHeight.applyMatrix4( matrix42 );
+
+ // TODO (abelnation): RectAreaLight distance?
+ // uniforms.distance = distance;
+
+ state.rectArea[ rectAreaLength ] = uniforms;
+
+ rectAreaLength ++;
+
+ } else if ( light.isPointLight ) {
+
+ var uniforms = cache.get( light );
+
+ uniforms.position.setFromMatrixPosition( light.matrixWorld );
+ uniforms.position.applyMatrix4( viewMatrix );
+
+ uniforms.color.copy( light.color ).multiplyScalar( light.intensity );
+ uniforms.distance = light.distance;
+ uniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;
+
+ uniforms.shadow = light.castShadow;
+
+ if ( light.castShadow ) {
+
+ var shadow = light.shadow;
+
+ uniforms.shadowBias = shadow.bias;
+ uniforms.shadowRadius = shadow.radius;
+ uniforms.shadowMapSize = shadow.mapSize;
+ uniforms.shadowCameraNear = shadow.camera.near;
+ uniforms.shadowCameraFar = shadow.camera.far;
+
+ }
+
+ state.pointShadowMap[ pointLength ] = shadowMap;
+ state.pointShadowMatrix[ pointLength ] = light.shadow.matrix;
+ state.point[ pointLength ] = uniforms;
+
+ pointLength ++;
+
+ } else if ( light.isHemisphereLight ) {
+
+ var uniforms = cache.get( light );
+
+ uniforms.direction.setFromMatrixPosition( light.matrixWorld );
+ uniforms.direction.transformDirection( viewMatrix );
+ uniforms.direction.normalize();
+
+ uniforms.skyColor.copy( light.color ).multiplyScalar( intensity );
+ uniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity );
+
+ state.hemi[ hemiLength ] = uniforms;
+
+ hemiLength ++;
+
+ }
+
+ }
+
+ state.ambient[ 0 ] = r;
+ state.ambient[ 1 ] = g;
+ state.ambient[ 2 ] = b;
+
+ state.directional.length = directionalLength;
+ state.spot.length = spotLength;
+ state.rectArea.length = rectAreaLength;
+ state.point.length = pointLength;
+ state.hemi.length = hemiLength;
+
+ // TODO (sam-g-steel) why aren't we using join
+ state.hash = directionalLength + ',' + pointLength + ',' + spotLength + ',' + rectAreaLength + ',' + hemiLength + ',' + shadows.length;
+
+ }
+
+ return {
+ setup: setup,
+ state: state
+ };
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function WebGLObjects( geometries, infoRender ) {
+
+ var updateList = {};
+
+ function update( object ) {
+
+ var frame = infoRender.frame;
+
+ var geometry = object.geometry;
+ var buffergeometry = geometries.get( object, geometry );
+
+ // Update once per frame
+
+ if ( updateList[ buffergeometry.id ] !== frame ) {
+
+ if ( geometry.isGeometry ) {
+
+ buffergeometry.updateFromObject( object );
+
+ }
+
+ geometries.update( buffergeometry );
+
+ updateList[ buffergeometry.id ] = frame;
+
+ }
+
+ return buffergeometry;
+
+ }
+
+ function clear() {
+
+ updateList = {};
+
+ }
+
+ return {
+
+ update: update,
+ clear: clear
+
+ };
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function addLineNumbers( string ) {
+
+ var lines = string.split( '\n' );
+
+ for ( var i = 0; i < lines.length; i ++ ) {
+
+ lines[ i ] = ( i + 1 ) + ': ' + lines[ i ];
+
+ }
+
+ return lines.join( '\n' );
+
+ }
+
+ function WebGLShader( gl, type, string ) {
+
+ var shader = gl.createShader( type );
+
+ gl.shaderSource( shader, string );
+ gl.compileShader( shader );
+
+ if ( gl.getShaderParameter( shader, gl.COMPILE_STATUS ) === false ) {
+
+ console.error( 'THREE.WebGLShader: Shader couldn\'t compile.' );
+
+ }
+
+ if ( gl.getShaderInfoLog( shader ) !== '' ) {
+
+ console.warn( 'THREE.WebGLShader: gl.getShaderInfoLog()', type === gl.VERTEX_SHADER ? 'vertex' : 'fragment', gl.getShaderInfoLog( shader ), addLineNumbers( string ) );
+
+ }
+
+ // --enable-privileged-webgl-extension
+ // console.log( type, gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );
+
+ return shader;
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ var programIdCount = 0;
+
+ function getEncodingComponents( encoding ) {
+
+ switch ( encoding ) {
+
+ case LinearEncoding:
+ return [ 'Linear', '( value )' ];
+ case sRGBEncoding:
+ return [ 'sRGB', '( value )' ];
+ case RGBEEncoding:
+ return [ 'RGBE', '( value )' ];
+ case RGBM7Encoding:
+ return [ 'RGBM', '( value, 7.0 )' ];
+ case RGBM16Encoding:
+ return [ 'RGBM', '( value, 16.0 )' ];
+ case RGBDEncoding:
+ return [ 'RGBD', '( value, 256.0 )' ];
+ case GammaEncoding:
+ return [ 'Gamma', '( value, float( GAMMA_FACTOR ) )' ];
+ default:
+ throw new Error( 'unsupported encoding: ' + encoding );
+
+ }
+
+ }
+
+ function getTexelDecodingFunction( functionName, encoding ) {
+
+ var components = getEncodingComponents( encoding );
+ return 'vec4 ' + functionName + '( vec4 value ) { return ' + components[ 0 ] + 'ToLinear' + components[ 1 ] + '; }';
+
+ }
+
+ function getTexelEncodingFunction( functionName, encoding ) {
+
+ var components = getEncodingComponents( encoding );
+ return 'vec4 ' + functionName + '( vec4 value ) { return LinearTo' + components[ 0 ] + components[ 1 ] + '; }';
+
+ }
+
+ function getToneMappingFunction( functionName, toneMapping ) {
+
+ var toneMappingName;
+
+ switch ( toneMapping ) {
+
+ case LinearToneMapping:
+ toneMappingName = 'Linear';
+ break;
+
+ case ReinhardToneMapping:
+ toneMappingName = 'Reinhard';
+ break;
+
+ case Uncharted2ToneMapping:
+ toneMappingName = 'Uncharted2';
+ break;
+
+ case CineonToneMapping:
+ toneMappingName = 'OptimizedCineon';
+ break;
+
+ default:
+ throw new Error( 'unsupported toneMapping: ' + toneMapping );
+
+ }
+
+ return 'vec3 ' + functionName + '( vec3 color ) { return ' + toneMappingName + 'ToneMapping( color ); }';
+
+ }
+
+ function generateExtensions( extensions, parameters, rendererExtensions ) {
+
+ extensions = extensions || {};
+
+ var chunks = [
+ ( extensions.derivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.normalMap || parameters.flatShading ) ? '#extension GL_OES_standard_derivatives : enable' : '',
+ ( extensions.fragDepth || parameters.logarithmicDepthBuffer ) && rendererExtensions.get( 'EXT_frag_depth' ) ? '#extension GL_EXT_frag_depth : enable' : '',
+ ( extensions.drawBuffers ) && rendererExtensions.get( 'WEBGL_draw_buffers' ) ? '#extension GL_EXT_draw_buffers : require' : '',
+ ( extensions.shaderTextureLOD || parameters.envMap ) && rendererExtensions.get( 'EXT_shader_texture_lod' ) ? '#extension GL_EXT_shader_texture_lod : enable' : ''
+ ];
+
+ return chunks.filter( filterEmptyLine ).join( '\n' );
+
+ }
+
+ function generateDefines( defines ) {
+
+ var chunks = [];
+
+ for ( var name in defines ) {
+
+ var value = defines[ name ];
+
+ if ( value === false ) continue;
+
+ chunks.push( '#define ' + name + ' ' + value );
+
+ }
+
+ return chunks.join( '\n' );
+
+ }
+
+ function fetchAttributeLocations( gl, program ) {
+
+ var attributes = {};
+
+ var n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES );
+
+ for ( var i = 0; i < n; i ++ ) {
+
+ var info = gl.getActiveAttrib( program, i );
+ var name = info.name;
+
+ // console.log( 'THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:', name, i );
+
+ attributes[ name ] = gl.getAttribLocation( program, name );
+
+ }
+
+ return attributes;
+
+ }
+
+ function filterEmptyLine( string ) {
+
+ return string !== '';
+
+ }
+
+ function replaceLightNums( string, parameters ) {
+
+ return string
+ .replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )
+ .replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )
+ .replace( /NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights )
+ .replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )
+ .replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights );
+
+ }
+
+ function parseIncludes( string ) {
+
+ var pattern = /^[ \t]*#include +<([\w\d.]+)>/gm;
+
+ function replace( match, include ) {
+
+ var replace = ShaderChunk[ include ];
+
+ if ( replace === undefined ) {
+
+ throw new Error( 'Can not resolve #include <' + include + '>' );
+
+ }
+
+ return parseIncludes( replace );
+
+ }
+
+ return string.replace( pattern, replace );
+
+ }
+
+ function unrollLoops( string ) {
+
+ var pattern = /for \( int i \= (\d+)\; i < (\d+)\; i \+\+ \) \{([\s\S]+?)(?=\})\}/g;
+
+ function replace( match, start, end, snippet ) {
+
+ var unroll = '';
+
+ for ( var i = parseInt( start ); i < parseInt( end ); i ++ ) {
+
+ unroll += snippet.replace( /\[ i \]/g, '[ ' + i + ' ]' );
+
+ }
+
+ return unroll;
+
+ }
+
+ return string.replace( pattern, replace );
+
+ }
+
+ function WebGLProgram( renderer, extensions, code, material, shader, parameters ) {
+
+ var gl = renderer.context;
+
+ var defines = material.defines;
+
+ var vertexShader = shader.vertexShader;
+ var fragmentShader = shader.fragmentShader;
+
+ var shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';
+
+ if ( parameters.shadowMapType === PCFShadowMap ) {
+
+ shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';
+
+ } else if ( parameters.shadowMapType === PCFSoftShadowMap ) {
+
+ shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';
+
+ }
+
+ var envMapTypeDefine = 'ENVMAP_TYPE_CUBE';
+ var envMapModeDefine = 'ENVMAP_MODE_REFLECTION';
+ var envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';
+
+ if ( parameters.envMap ) {
+
+ switch ( material.envMap.mapping ) {
+
+ case CubeReflectionMapping:
+ case CubeRefractionMapping:
+ envMapTypeDefine = 'ENVMAP_TYPE_CUBE';
+ break;
+
+ case CubeUVReflectionMapping:
+ case CubeUVRefractionMapping:
+ envMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';
+ break;
+
+ case EquirectangularReflectionMapping:
+ case EquirectangularRefractionMapping:
+ envMapTypeDefine = 'ENVMAP_TYPE_EQUIREC';
+ break;
+
+ case SphericalReflectionMapping:
+ envMapTypeDefine = 'ENVMAP_TYPE_SPHERE';
+ break;
+
+ }
+
+ switch ( material.envMap.mapping ) {
+
+ case CubeRefractionMapping:
+ case EquirectangularRefractionMapping:
+ envMapModeDefine = 'ENVMAP_MODE_REFRACTION';
+ break;
+
+ }
+
+ switch ( material.combine ) {
+
+ case MultiplyOperation:
+ envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';
+ break;
+
+ case MixOperation:
+ envMapBlendingDefine = 'ENVMAP_BLENDING_MIX';
+ break;
+
+ case AddOperation:
+ envMapBlendingDefine = 'ENVMAP_BLENDING_ADD';
+ break;
+
+ }
+
+ }
+
+ var gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0;
+
+ // console.log( 'building new program ' );
+
+ //
+
+ var customExtensions = generateExtensions( material.extensions, parameters, extensions );
+
+ var customDefines = generateDefines( defines );
+
+ //
+
+ var program = gl.createProgram();
+
+ var prefixVertex, prefixFragment;
+
+ if ( material.isRawShaderMaterial ) {
+
+ prefixVertex = [
+
+ customDefines
+
+ ].filter( filterEmptyLine ).join( '\n' );
+
+ if ( prefixVertex.length > 0 ) {
+
+ prefixVertex += '\n';
+
+ }
+
+ prefixFragment = [
+
+ customExtensions,
+ customDefines
+
+ ].filter( filterEmptyLine ).join( '\n' );
+
+ if ( prefixFragment.length > 0 ) {
+
+ prefixFragment += '\n';
+
+ }
+
+ } else {
+
+ prefixVertex = [
+
+ 'precision ' + parameters.precision + ' float;',
+ 'precision ' + parameters.precision + ' int;',
+
+ '#define SHADER_NAME ' + shader.name,
+
+ customDefines,
+
+ parameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '',
+
+ '#define GAMMA_FACTOR ' + gammaFactorDefine,
+
+ '#define MAX_BONES ' + parameters.maxBones,
+ ( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',
+ ( parameters.useFog && parameters.fogExp ) ? '#define FOG_EXP2' : '',
+
+ parameters.map ? '#define USE_MAP' : '',
+ parameters.envMap ? '#define USE_ENVMAP' : '',
+ parameters.envMap ? '#define ' + envMapModeDefine : '',
+ parameters.lightMap ? '#define USE_LIGHTMAP' : '',
+ parameters.aoMap ? '#define USE_AOMAP' : '',
+ parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',
+ parameters.bumpMap ? '#define USE_BUMPMAP' : '',
+ parameters.normalMap ? '#define USE_NORMALMAP' : '',
+ parameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '',
+ parameters.specularMap ? '#define USE_SPECULARMAP' : '',
+ parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',
+ parameters.metalnessMap ? '#define USE_METALNESSMAP' : '',
+ parameters.alphaMap ? '#define USE_ALPHAMAP' : '',
+ parameters.vertexColors ? '#define USE_COLOR' : '',
+
+ parameters.flatShading ? '#define FLAT_SHADED' : '',
+
+ parameters.skinning ? '#define USE_SKINNING' : '',
+ parameters.useVertexTexture ? '#define BONE_TEXTURE' : '',
+
+ parameters.morphTargets ? '#define USE_MORPHTARGETS' : '',
+ parameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',
+ parameters.doubleSided ? '#define DOUBLE_SIDED' : '',
+ parameters.flipSided ? '#define FLIP_SIDED' : '',
+
+ '#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,
+
+ parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',
+ parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',
+
+ parameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',
+
+ parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',
+ parameters.logarithmicDepthBuffer && extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',
+
+ 'uniform mat4 modelMatrix;',
+ 'uniform mat4 modelViewMatrix;',
+ 'uniform mat4 projectionMatrix;',
+ 'uniform mat4 viewMatrix;',
+ 'uniform mat3 normalMatrix;',
+ 'uniform vec3 cameraPosition;',
+
+ 'attribute vec3 position;',
+ 'attribute vec3 normal;',
+ 'attribute vec2 uv;',
+
+ '#ifdef USE_COLOR',
+
+ ' attribute vec3 color;',
+
+ '#endif',
+
+ '#ifdef USE_MORPHTARGETS',
+
+ ' attribute vec3 morphTarget0;',
+ ' attribute vec3 morphTarget1;',
+ ' attribute vec3 morphTarget2;',
+ ' attribute vec3 morphTarget3;',
+
+ ' #ifdef USE_MORPHNORMALS',
+
+ ' attribute vec3 morphNormal0;',
+ ' attribute vec3 morphNormal1;',
+ ' attribute vec3 morphNormal2;',
+ ' attribute vec3 morphNormal3;',
+
+ ' #else',
+
+ ' attribute vec3 morphTarget4;',
+ ' attribute vec3 morphTarget5;',
+ ' attribute vec3 morphTarget6;',
+ ' attribute vec3 morphTarget7;',
+
+ ' #endif',
+
+ '#endif',
+
+ '#ifdef USE_SKINNING',
+
+ ' attribute vec4 skinIndex;',
+ ' attribute vec4 skinWeight;',
+
+ '#endif',
+
+ '\n'
+
+ ].filter( filterEmptyLine ).join( '\n' );
+
+ prefixFragment = [
+
+ customExtensions,
+
+ 'precision ' + parameters.precision + ' float;',
+ 'precision ' + parameters.precision + ' int;',
+
+ '#define SHADER_NAME ' + shader.name,
+
+ customDefines,
+
+ parameters.alphaTest ? '#define ALPHATEST ' + parameters.alphaTest : '',
+
+ '#define GAMMA_FACTOR ' + gammaFactorDefine,
+
+ ( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',
+ ( parameters.useFog && parameters.fogExp ) ? '#define FOG_EXP2' : '',
+
+ parameters.map ? '#define USE_MAP' : '',
+ parameters.envMap ? '#define USE_ENVMAP' : '',
+ parameters.envMap ? '#define ' + envMapTypeDefine : '',
+ parameters.envMap ? '#define ' + envMapModeDefine : '',
+ parameters.envMap ? '#define ' + envMapBlendingDefine : '',
+ parameters.lightMap ? '#define USE_LIGHTMAP' : '',
+ parameters.aoMap ? '#define USE_AOMAP' : '',
+ parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',
+ parameters.bumpMap ? '#define USE_BUMPMAP' : '',
+ parameters.normalMap ? '#define USE_NORMALMAP' : '',
+ parameters.specularMap ? '#define USE_SPECULARMAP' : '',
+ parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',
+ parameters.metalnessMap ? '#define USE_METALNESSMAP' : '',
+ parameters.alphaMap ? '#define USE_ALPHAMAP' : '',
+ parameters.vertexColors ? '#define USE_COLOR' : '',
+
+ parameters.gradientMap ? '#define USE_GRADIENTMAP' : '',
+
+ parameters.flatShading ? '#define FLAT_SHADED' : '',
+
+ parameters.doubleSided ? '#define DOUBLE_SIDED' : '',
+ parameters.flipSided ? '#define FLIP_SIDED' : '',
+
+ '#define NUM_CLIPPING_PLANES ' + parameters.numClippingPlanes,
+ '#define UNION_CLIPPING_PLANES ' + ( parameters.numClippingPlanes - parameters.numClipIntersection ),
+
+ parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',
+ parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',
+
+ parameters.premultipliedAlpha ? '#define PREMULTIPLIED_ALPHA' : '',
+
+ parameters.physicallyCorrectLights ? '#define PHYSICALLY_CORRECT_LIGHTS' : '',
+
+ parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',
+ parameters.logarithmicDepthBuffer && extensions.get( 'EXT_frag_depth' ) ? '#define USE_LOGDEPTHBUF_EXT' : '',
+
+ parameters.envMap && extensions.get( 'EXT_shader_texture_lod' ) ? '#define TEXTURE_LOD_EXT' : '',
+
+ 'uniform mat4 viewMatrix;',
+ 'uniform vec3 cameraPosition;',
+
+ ( parameters.toneMapping !== NoToneMapping ) ? '#define TONE_MAPPING' : '',
+ ( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below
+ ( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( 'toneMapping', parameters.toneMapping ) : '',
+
+ parameters.dithering ? '#define DITHERING' : '',
+
+ ( parameters.outputEncoding || parameters.mapEncoding || parameters.envMapEncoding || parameters.emissiveMapEncoding ) ? ShaderChunk[ 'encodings_pars_fragment' ] : '', // this code is required here because it is used by the various encoding/decoding function defined below
+ parameters.mapEncoding ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '',
+ parameters.envMapEncoding ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '',
+ parameters.emissiveMapEncoding ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '',
+ parameters.outputEncoding ? getTexelEncodingFunction( 'linearToOutputTexel', parameters.outputEncoding ) : '',
+
+ parameters.depthPacking ? '#define DEPTH_PACKING ' + material.depthPacking : '',
+
+ '\n'
+
+ ].filter( filterEmptyLine ).join( '\n' );
+
+ }
+
+ vertexShader = parseIncludes( vertexShader );
+ vertexShader = replaceLightNums( vertexShader, parameters );
+
+ fragmentShader = parseIncludes( fragmentShader );
+ fragmentShader = replaceLightNums( fragmentShader, parameters );
+
+ if ( ! material.isShaderMaterial ) {
+
+ vertexShader = unrollLoops( vertexShader );
+ fragmentShader = unrollLoops( fragmentShader );
+
+ }
+
+ var vertexGlsl = prefixVertex + vertexShader;
+ var fragmentGlsl = prefixFragment + fragmentShader;
+
+ // console.log( '*VERTEX*', vertexGlsl );
+ // console.log( '*FRAGMENT*', fragmentGlsl );
+
+ var glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl );
+ var glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl );
+
+ gl.attachShader( program, glVertexShader );
+ gl.attachShader( program, glFragmentShader );
+
+ // Force a particular attribute to index 0.
+
+ if ( material.index0AttributeName !== undefined ) {
+
+ gl.bindAttribLocation( program, 0, material.index0AttributeName );
+
+ } else if ( parameters.morphTargets === true ) {
+
+ // programs with morphTargets displace position out of attribute 0
+ gl.bindAttribLocation( program, 0, 'position' );
+
+ }
+
+ gl.linkProgram( program );
+
+ var programLog = gl.getProgramInfoLog( program );
+ var vertexLog = gl.getShaderInfoLog( glVertexShader );
+ var fragmentLog = gl.getShaderInfoLog( glFragmentShader );
+
+ var runnable = true;
+ var haveDiagnostics = true;
+
+ // console.log( '**VERTEX**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glVertexShader ) );
+ // console.log( '**FRAGMENT**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( glFragmentShader ) );
+
+ if ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) {
+
+ runnable = false;
+
+ console.error( 'THREE.WebGLProgram: shader error: ', gl.getError(), 'gl.VALIDATE_STATUS', gl.getProgramParameter( program, gl.VALIDATE_STATUS ), 'gl.getProgramInfoLog', programLog, vertexLog, fragmentLog );
+
+ } else if ( programLog !== '' ) {
+
+ console.warn( 'THREE.WebGLProgram: gl.getProgramInfoLog()', programLog );
+
+ } else if ( vertexLog === '' || fragmentLog === '' ) {
+
+ haveDiagnostics = false;
+
+ }
+
+ if ( haveDiagnostics ) {
+
+ this.diagnostics = {
+
+ runnable: runnable,
+ material: material,
+
+ programLog: programLog,
+
+ vertexShader: {
+
+ log: vertexLog,
+ prefix: prefixVertex
+
+ },
+
+ fragmentShader: {
+
+ log: fragmentLog,
+ prefix: prefixFragment
+
+ }
+
+ };
+
+ }
+
+ // clean up
+
+ gl.deleteShader( glVertexShader );
+ gl.deleteShader( glFragmentShader );
+
+ // set up caching for uniform locations
+
+ var cachedUniforms;
+
+ this.getUniforms = function () {
+
+ if ( cachedUniforms === undefined ) {
+
+ cachedUniforms = new WebGLUniforms( gl, program, renderer );
+
+ }
+
+ return cachedUniforms;
+
+ };
+
+ // set up caching for attribute locations
+
+ var cachedAttributes;
+
+ this.getAttributes = function () {
+
+ if ( cachedAttributes === undefined ) {
+
+ cachedAttributes = fetchAttributeLocations( gl, program );
+
+ }
+
+ return cachedAttributes;
+
+ };
+
+ // free resource
+
+ this.destroy = function () {
+
+ gl.deleteProgram( program );
+ this.program = undefined;
+
+ };
+
+ // DEPRECATED
+
+ Object.defineProperties( this, {
+
+ uniforms: {
+ get: function () {
+
+ console.warn( 'THREE.WebGLProgram: .uniforms is now .getUniforms().' );
+ return this.getUniforms();
+
+ }
+ },
+
+ attributes: {
+ get: function () {
+
+ console.warn( 'THREE.WebGLProgram: .attributes is now .getAttributes().' );
+ return this.getAttributes();
+
+ }
+ }
+
+ } );
+
+
+ //
+
+ this.id = programIdCount ++;
+ this.code = code;
+ this.usedTimes = 1;
+ this.program = program;
+ this.vertexShader = glVertexShader;
+ this.fragmentShader = glFragmentShader;
+
+ return this;
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function WebGLPrograms( renderer, extensions, capabilities ) {
+
+ var programs = [];
+
+ var shaderIDs = {
+ MeshDepthMaterial: 'depth',
+ MeshDistanceMaterial: 'distanceRGBA',
+ MeshNormalMaterial: 'normal',
+ MeshBasicMaterial: 'basic',
+ MeshLambertMaterial: 'lambert',
+ MeshPhongMaterial: 'phong',
+ MeshToonMaterial: 'phong',
+ MeshStandardMaterial: 'physical',
+ MeshPhysicalMaterial: 'physical',
+ LineBasicMaterial: 'basic',
+ LineDashedMaterial: 'dashed',
+ PointsMaterial: 'points',
+ ShadowMaterial: 'shadow'
+ };
+
+ var parameterNames = [
+ "precision", "supportsVertexTextures", "map", "mapEncoding", "envMap", "envMapMode", "envMapEncoding",
+ "lightMap", "aoMap", "emissiveMap", "emissiveMapEncoding", "bumpMap", "normalMap", "displacementMap", "specularMap",
+ "roughnessMap", "metalnessMap", "gradientMap",
+ "alphaMap", "combine", "vertexColors", "fog", "useFog", "fogExp",
+ "flatShading", "sizeAttenuation", "logarithmicDepthBuffer", "skinning",
+ "maxBones", "useVertexTexture", "morphTargets", "morphNormals",
+ "maxMorphTargets", "maxMorphNormals", "premultipliedAlpha",
+ "numDirLights", "numPointLights", "numSpotLights", "numHemiLights", "numRectAreaLights",
+ "shadowMapEnabled", "shadowMapType", "toneMapping", 'physicallyCorrectLights',
+ "alphaTest", "doubleSided", "flipSided", "numClippingPlanes", "numClipIntersection", "depthPacking", "dithering"
+ ];
+
+
+ function allocateBones( object ) {
+
+ var skeleton = object.skeleton;
+ var bones = skeleton.bones;
+
+ if ( capabilities.floatVertexTextures ) {
+
+ return 1024;
+
+ } else {
+
+ // default for when object is not specified
+ // ( for example when prebuilding shader to be used with multiple objects )
+ //
+ // - leave some extra space for other uniforms
+ // - limit here is ANGLE's 254 max uniform vectors
+ // (up to 54 should be safe)
+
+ var nVertexUniforms = capabilities.maxVertexUniforms;
+ var nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 );
+
+ var maxBones = Math.min( nVertexMatrices, bones.length );
+
+ if ( maxBones < bones.length ) {
+
+ console.warn( 'THREE.WebGLRenderer: Skeleton has ' + bones.length + ' bones. This GPU supports ' + maxBones + '.' );
+ return 0;
+
+ }
+
+ return maxBones;
+
+ }
+
+ }
+
+ function getTextureEncodingFromMap( map, gammaOverrideLinear ) {
+
+ var encoding;
+
+ if ( ! map ) {
+
+ encoding = LinearEncoding;
+
+ } else if ( map.isTexture ) {
+
+ encoding = map.encoding;
+
+ } else if ( map.isWebGLRenderTarget ) {
+
+ console.warn( "THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead." );
+ encoding = map.texture.encoding;
+
+ }
+
+ // add backwards compatibility for WebGLRenderer.gammaInput/gammaOutput parameter, should probably be removed at some point.
+ if ( encoding === LinearEncoding && gammaOverrideLinear ) {
+
+ encoding = GammaEncoding;
+
+ }
+
+ return encoding;
+
+ }
+
+ this.getParameters = function ( material, lights, shadows, fog, nClipPlanes, nClipIntersection, object ) {
+
+ var shaderID = shaderIDs[ material.type ];
+
+ // heuristics to create shader parameters according to lights in the scene
+ // (not to blow over maxLights budget)
+
+ var maxBones = object.isSkinnedMesh ? allocateBones( object ) : 0;
+ var precision = capabilities.precision;
+
+ if ( material.precision !== null ) {
+
+ precision = capabilities.getMaxPrecision( material.precision );
+
+ if ( precision !== material.precision ) {
+
+ console.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );
+
+ }
+
+ }
+
+ var currentRenderTarget = renderer.getRenderTarget();
+
+ var parameters = {
+
+ shaderID: shaderID,
+
+ precision: precision,
+ supportsVertexTextures: capabilities.vertexTextures,
+ outputEncoding: getTextureEncodingFromMap( ( ! currentRenderTarget ) ? null : currentRenderTarget.texture, renderer.gammaOutput ),
+ map: !! material.map,
+ mapEncoding: getTextureEncodingFromMap( material.map, renderer.gammaInput ),
+ envMap: !! material.envMap,
+ envMapMode: material.envMap && material.envMap.mapping,
+ envMapEncoding: getTextureEncodingFromMap( material.envMap, renderer.gammaInput ),
+ envMapCubeUV: ( !! material.envMap ) && ( ( material.envMap.mapping === CubeUVReflectionMapping ) || ( material.envMap.mapping === CubeUVRefractionMapping ) ),
+ lightMap: !! material.lightMap,
+ aoMap: !! material.aoMap,
+ emissiveMap: !! material.emissiveMap,
+ emissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap, renderer.gammaInput ),
+ bumpMap: !! material.bumpMap,
+ normalMap: !! material.normalMap,
+ displacementMap: !! material.displacementMap,
+ roughnessMap: !! material.roughnessMap,
+ metalnessMap: !! material.metalnessMap,
+ specularMap: !! material.specularMap,
+ alphaMap: !! material.alphaMap,
+
+ gradientMap: !! material.gradientMap,
+
+ combine: material.combine,
+
+ vertexColors: material.vertexColors,
+
+ fog: !! fog,
+ useFog: material.fog,
+ fogExp: ( fog && fog.isFogExp2 ),
+
+ flatShading: material.flatShading,
+
+ sizeAttenuation: material.sizeAttenuation,
+ logarithmicDepthBuffer: capabilities.logarithmicDepthBuffer,
+
+ skinning: material.skinning && maxBones > 0,
+ maxBones: maxBones,
+ useVertexTexture: capabilities.floatVertexTextures,
+
+ morphTargets: material.morphTargets,
+ morphNormals: material.morphNormals,
+ maxMorphTargets: renderer.maxMorphTargets,
+ maxMorphNormals: renderer.maxMorphNormals,
+
+ numDirLights: lights.directional.length,
+ numPointLights: lights.point.length,
+ numSpotLights: lights.spot.length,
+ numRectAreaLights: lights.rectArea.length,
+ numHemiLights: lights.hemi.length,
+
+ numClippingPlanes: nClipPlanes,
+ numClipIntersection: nClipIntersection,
+
+ dithering: material.dithering,
+
+ shadowMapEnabled: renderer.shadowMap.enabled && object.receiveShadow && shadows.length > 0,
+ shadowMapType: renderer.shadowMap.type,
+
+ toneMapping: renderer.toneMapping,
+ physicallyCorrectLights: renderer.physicallyCorrectLights,
+
+ premultipliedAlpha: material.premultipliedAlpha,
+
+ alphaTest: material.alphaTest,
+ doubleSided: material.side === DoubleSide,
+ flipSided: material.side === BackSide,
+
+ depthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false
+
+ };
+
+ return parameters;
+
+ };
+
+ this.getProgramCode = function ( material, parameters ) {
+
+ var array = [];
+
+ if ( parameters.shaderID ) {
+
+ array.push( parameters.shaderID );
+
+ } else {
+
+ array.push( material.fragmentShader );
+ array.push( material.vertexShader );
+
+ }
+
+ if ( material.defines !== undefined ) {
+
+ for ( var name in material.defines ) {
+
+ array.push( name );
+ array.push( material.defines[ name ] );
+
+ }
+
+ }
+
+ for ( var i = 0; i < parameterNames.length; i ++ ) {
+
+ array.push( parameters[ parameterNames[ i ] ] );
+
+ }
+
+ array.push( material.onBeforeCompile.toString() );
+
+ array.push( renderer.gammaOutput );
+
+ return array.join();
+
+ };
+
+ this.acquireProgram = function ( material, shader, parameters, code ) {
+
+ var program;
+
+ // Check if code has been already compiled
+ for ( var p = 0, pl = programs.length; p < pl; p ++ ) {
+
+ var programInfo = programs[ p ];
+
+ if ( programInfo.code === code ) {
+
+ program = programInfo;
+ ++ program.usedTimes;
+
+ break;
+
+ }
+
+ }
+
+ if ( program === undefined ) {
+
+ program = new WebGLProgram( renderer, extensions, code, material, shader, parameters );
+ programs.push( program );
+
+ }
+
+ return program;
+
+ };
+
+ this.releaseProgram = function ( program ) {
+
+ if ( -- program.usedTimes === 0 ) {
+
+ // Remove from unordered set
+ var i = programs.indexOf( program );
+ programs[ i ] = programs[ programs.length - 1 ];
+ programs.pop();
+
+ // Free WebGL resources
+ program.destroy();
+
+ }
+
+ };
+
+ // Exposed for resource monitoring & error feedback via renderer.info:
+ this.programs = programs;
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function WebGLTextures( _gl, extensions, state, properties, capabilities, utils, infoMemory ) {
+
+ var _isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && _gl instanceof window.WebGL2RenderingContext );
+ var _videoTextures = {};
+
+ //
+
+ function clampToMaxSize( image, maxSize ) {
+
+ if ( image.width > maxSize || image.height > maxSize ) {
+
+ // Warning: Scaling through the canvas will only work with images that use
+ // premultiplied alpha.
+
+ var scale = maxSize / Math.max( image.width, image.height );
+
+ var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );
+ canvas.width = Math.floor( image.width * scale );
+ canvas.height = Math.floor( image.height * scale );
+
+ var context = canvas.getContext( '2d' );
+ context.drawImage( image, 0, 0, image.width, image.height, 0, 0, canvas.width, canvas.height );
+
+ console.warn( 'THREE.WebGLRenderer: image is too big (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );
+
+ return canvas;
+
+ }
+
+ return image;
+
+ }
+
+ function isPowerOfTwo( image ) {
+
+ return _Math.isPowerOfTwo( image.width ) && _Math.isPowerOfTwo( image.height );
+
+ }
+
+ function makePowerOfTwo( image ) {
+
+ if ( image instanceof HTMLImageElement || image instanceof HTMLCanvasElement || image instanceof ImageBitmap ) {
+
+ var canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );
+ canvas.width = _Math.floorPowerOfTwo( image.width );
+ canvas.height = _Math.floorPowerOfTwo( image.height );
+
+ var context = canvas.getContext( '2d' );
+ context.drawImage( image, 0, 0, canvas.width, canvas.height );
+
+ console.warn( 'THREE.WebGLRenderer: image is not power of two (' + image.width + 'x' + image.height + '). Resized to ' + canvas.width + 'x' + canvas.height, image );
+
+ return canvas;
+
+ }
+
+ return image;
+
+ }
+
+ function textureNeedsPowerOfTwo( texture ) {
+
+ return ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) ||
+ ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter );
+
+ }
+
+ function textureNeedsGenerateMipmaps( texture, isPowerOfTwo ) {
+
+ return texture.generateMipmaps && isPowerOfTwo &&
+ texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter;
+
+ }
+
+ // Fallback filters for non-power-of-2 textures
+
+ function filterFallback( f ) {
+
+ if ( f === NearestFilter || f === NearestMipMapNearestFilter || f === NearestMipMapLinearFilter ) {
+
+ return _gl.NEAREST;
+
+ }
+
+ return _gl.LINEAR;
+
+ }
+
+ //
+
+ function onTextureDispose( event ) {
+
+ var texture = event.target;
+
+ texture.removeEventListener( 'dispose', onTextureDispose );
+
+ deallocateTexture( texture );
+
+ if ( texture.isVideoTexture ) {
+
+ delete _videoTextures[ texture.id ];
+
+ }
+
+ infoMemory.textures --;
+
+ }
+
+ function onRenderTargetDispose( event ) {
+
+ var renderTarget = event.target;
+
+ renderTarget.removeEventListener( 'dispose', onRenderTargetDispose );
+
+ deallocateRenderTarget( renderTarget );
+
+ infoMemory.textures --;
+
+ }
+
+ //
+
+ function deallocateTexture( texture ) {
+
+ var textureProperties = properties.get( texture );
+
+ if ( texture.image && textureProperties.__image__webglTextureCube ) {
+
+ // cube texture
+
+ _gl.deleteTexture( textureProperties.__image__webglTextureCube );
+
+ } else {
+
+ // 2D texture
+
+ if ( textureProperties.__webglInit === undefined ) return;
+
+ _gl.deleteTexture( textureProperties.__webglTexture );
+
+ }
+
+ // remove all webgl properties
+ properties.remove( texture );
+
+ }
+
+ function deallocateRenderTarget( renderTarget ) {
+
+ var renderTargetProperties = properties.get( renderTarget );
+ var textureProperties = properties.get( renderTarget.texture );
+
+ if ( ! renderTarget ) return;
+
+ if ( textureProperties.__webglTexture !== undefined ) {
+
+ _gl.deleteTexture( textureProperties.__webglTexture );
+
+ }
+
+ if ( renderTarget.depthTexture ) {
+
+ renderTarget.depthTexture.dispose();
+
+ }
+
+ if ( renderTarget.isWebGLRenderTargetCube ) {
+
+ for ( var i = 0; i < 6; i ++ ) {
+
+ _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );
+ if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );
+
+ }
+
+ } else {
+
+ _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );
+ if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );
+
+ }
+
+ properties.remove( renderTarget.texture );
+ properties.remove( renderTarget );
+
+ }
+
+ //
+
+
+
+ function setTexture2D( texture, slot ) {
+
+ var textureProperties = properties.get( texture );
+
+ if ( texture.version > 0 && textureProperties.__version !== texture.version ) {
+
+ var image = texture.image;
+
+ if ( image === undefined ) {
+
+ console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined', texture );
+
+ } else if ( image.complete === false ) {
+
+ console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete', texture );
+
+ } else {
+
+ uploadTexture( textureProperties, texture, slot );
+ return;
+
+ }
+
+ }
+
+ state.activeTexture( _gl.TEXTURE0 + slot );
+ state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );
+
+ }
+
+ function setTextureCube( texture, slot ) {
+
+ var textureProperties = properties.get( texture );
+
+ if ( texture.image.length === 6 ) {
+
+ if ( texture.version > 0 && textureProperties.__version !== texture.version ) {
+
+ if ( ! textureProperties.__image__webglTextureCube ) {
+
+ texture.addEventListener( 'dispose', onTextureDispose );
+
+ textureProperties.__image__webglTextureCube = _gl.createTexture();
+
+ infoMemory.textures ++;
+
+ }
+
+ state.activeTexture( _gl.TEXTURE0 + slot );
+ state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );
+
+ _gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );
+
+ var isCompressed = ( texture && texture.isCompressedTexture );
+ var isDataTexture = ( texture.image[ 0 ] && texture.image[ 0 ].isDataTexture );
+
+ var cubeImage = [];
+
+ for ( var i = 0; i < 6; i ++ ) {
+
+ if ( ! isCompressed && ! isDataTexture ) {
+
+ cubeImage[ i ] = clampToMaxSize( texture.image[ i ], capabilities.maxCubemapSize );
+
+ } else {
+
+ cubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];
+
+ }
+
+ }
+
+ var image = cubeImage[ 0 ],
+ isPowerOfTwoImage = isPowerOfTwo( image ),
+ glFormat = utils.convert( texture.format ),
+ glType = utils.convert( texture.type );
+
+ setTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, isPowerOfTwoImage );
+
+ for ( var i = 0; i < 6; i ++ ) {
+
+ if ( ! isCompressed ) {
+
+ if ( isDataTexture ) {
+
+ state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );
+
+ } else {
+
+ state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, glFormat, glType, cubeImage[ i ] );
+
+ }
+
+ } else {
+
+ var mipmap, mipmaps = cubeImage[ i ].mipmaps;
+
+ for ( var j = 0, jl = mipmaps.length; j < jl; j ++ ) {
+
+ mipmap = mipmaps[ j ];
+
+ if ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {
+
+ if ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {
+
+ state.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );
+
+ } else {
+
+ console.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()' );
+
+ }
+
+ } else {
+
+ state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );
+
+ }
+
+ }
+
+ }
+
+ }
+
+ if ( textureNeedsGenerateMipmaps( texture, isPowerOfTwoImage ) ) {
+
+ _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );
+
+ }
+
+ textureProperties.__version = texture.version;
+
+ if ( texture.onUpdate ) texture.onUpdate( texture );
+
+ } else {
+
+ state.activeTexture( _gl.TEXTURE0 + slot );
+ state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__image__webglTextureCube );
+
+ }
+
+ }
+
+ }
+
+ function setTextureCubeDynamic( texture, slot ) {
+
+ state.activeTexture( _gl.TEXTURE0 + slot );
+ state.bindTexture( _gl.TEXTURE_CUBE_MAP, properties.get( texture ).__webglTexture );
+
+ }
+
+ function setTextureParameters( textureType, texture, isPowerOfTwoImage ) {
+
+ var extension;
+
+ if ( isPowerOfTwoImage ) {
+
+ _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, utils.convert( texture.wrapS ) );
+ _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, utils.convert( texture.wrapT ) );
+
+ _gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, utils.convert( texture.magFilter ) );
+ _gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, utils.convert( texture.minFilter ) );
+
+ } else {
+
+ _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE );
+ _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, _gl.CLAMP_TO_EDGE );
+
+ if ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) {
+
+ console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.', texture );
+
+ }
+
+ _gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterFallback( texture.magFilter ) );
+ _gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterFallback( texture.minFilter ) );
+
+ if ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) {
+
+ console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.', texture );
+
+ }
+
+ }
+
+ extension = extensions.get( 'EXT_texture_filter_anisotropic' );
+
+ if ( extension ) {
+
+ if ( texture.type === FloatType && extensions.get( 'OES_texture_float_linear' ) === null ) return;
+ if ( texture.type === HalfFloatType && extensions.get( 'OES_texture_half_float_linear' ) === null ) return;
+
+ if ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {
+
+ _gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );
+ properties.get( texture ).__currentAnisotropy = texture.anisotropy;
+
+ }
+
+ }
+
+ }
+
+ function uploadTexture( textureProperties, texture, slot ) {
+
+ if ( textureProperties.__webglInit === undefined ) {
+
+ textureProperties.__webglInit = true;
+
+ texture.addEventListener( 'dispose', onTextureDispose );
+
+ textureProperties.__webglTexture = _gl.createTexture();
+
+ if ( texture.isVideoTexture ) {
+
+ _videoTextures[ texture.id ] = texture;
+
+ }
+
+ infoMemory.textures ++;
+
+ }
+
+ state.activeTexture( _gl.TEXTURE0 + slot );
+ state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );
+
+ _gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );
+ _gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );
+ _gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );
+
+ var image = clampToMaxSize( texture.image, capabilities.maxTextureSize );
+
+ if ( textureNeedsPowerOfTwo( texture ) && isPowerOfTwo( image ) === false ) {
+
+ image = makePowerOfTwo( image );
+
+ }
+
+ var isPowerOfTwoImage = isPowerOfTwo( image ),
+ glFormat = utils.convert( texture.format ),
+ glType = utils.convert( texture.type );
+
+ setTextureParameters( _gl.TEXTURE_2D, texture, isPowerOfTwoImage );
+
+ var mipmap, mipmaps = texture.mipmaps;
+
+ if ( texture.isDepthTexture ) {
+
+ // populate depth texture with dummy data
+
+ var internalFormat = _gl.DEPTH_COMPONENT;
+
+ if ( texture.type === FloatType ) {
+
+ if ( ! _isWebGL2 ) throw new Error( 'Float Depth Texture only supported in WebGL2.0' );
+ internalFormat = _gl.DEPTH_COMPONENT32F;
+
+ } else if ( _isWebGL2 ) {
+
+ // WebGL 2.0 requires signed internalformat for glTexImage2D
+ internalFormat = _gl.DEPTH_COMPONENT16;
+
+ }
+
+ if ( texture.format === DepthFormat && internalFormat === _gl.DEPTH_COMPONENT ) {
+
+ // The error INVALID_OPERATION is generated by texImage2D if format and internalformat are
+ // DEPTH_COMPONENT and type is not UNSIGNED_SHORT or UNSIGNED_INT
+ // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)
+ if ( texture.type !== UnsignedShortType && texture.type !== UnsignedIntType ) {
+
+ console.warn( 'THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture.' );
+
+ texture.type = UnsignedShortType;
+ glType = utils.convert( texture.type );
+
+ }
+
+ }
+
+ // Depth stencil textures need the DEPTH_STENCIL internal format
+ // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)
+ if ( texture.format === DepthStencilFormat ) {
+
+ internalFormat = _gl.DEPTH_STENCIL;
+
+ // The error INVALID_OPERATION is generated by texImage2D if format and internalformat are
+ // DEPTH_STENCIL and type is not UNSIGNED_INT_24_8_WEBGL.
+ // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)
+ if ( texture.type !== UnsignedInt248Type ) {
+
+ console.warn( 'THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture.' );
+
+ texture.type = UnsignedInt248Type;
+ glType = utils.convert( texture.type );
+
+ }
+
+ }
+
+ state.texImage2D( _gl.TEXTURE_2D, 0, internalFormat, image.width, image.height, 0, glFormat, glType, null );
+
+ } else if ( texture.isDataTexture ) {
+
+ // use manually created mipmaps if available
+ // if there are no manual mipmaps
+ // set 0 level mipmap and then use GL to generate other mipmap levels
+
+ if ( mipmaps.length > 0 && isPowerOfTwoImage ) {
+
+ for ( var i = 0, il = mipmaps.length; i < il; i ++ ) {
+
+ mipmap = mipmaps[ i ];
+ state.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );
+
+ }
+
+ texture.generateMipmaps = false;
+
+ } else {
+
+ state.texImage2D( _gl.TEXTURE_2D, 0, glFormat, image.width, image.height, 0, glFormat, glType, image.data );
+
+ }
+
+ } else if ( texture.isCompressedTexture ) {
+
+ for ( var i = 0, il = mipmaps.length; i < il; i ++ ) {
+
+ mipmap = mipmaps[ i ];
+
+ if ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {
+
+ if ( state.getCompressedTextureFormats().indexOf( glFormat ) > - 1 ) {
+
+ state.compressedTexImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, mipmap.data );
+
+ } else {
+
+ console.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' );
+
+ }
+
+ } else {
+
+ state.texImage2D( _gl.TEXTURE_2D, i, glFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );
+
+ }
+
+ }
+
+ } else {
+
+ // regular Texture (image, video, canvas)
+
+ // use manually created mipmaps if available
+ // if there are no manual mipmaps
+ // set 0 level mipmap and then use GL to generate other mipmap levels
+
+ if ( mipmaps.length > 0 && isPowerOfTwoImage ) {
+
+ for ( var i = 0, il = mipmaps.length; i < il; i ++ ) {
+
+ mipmap = mipmaps[ i ];
+ state.texImage2D( _gl.TEXTURE_2D, i, glFormat, glFormat, glType, mipmap );
+
+ }
+
+ texture.generateMipmaps = false;
+
+ } else {
+
+ state.texImage2D( _gl.TEXTURE_2D, 0, glFormat, glFormat, glType, image );
+
+ }
+
+ }
+
+ if ( textureNeedsGenerateMipmaps( texture, isPowerOfTwoImage ) ) _gl.generateMipmap( _gl.TEXTURE_2D );
+
+ textureProperties.__version = texture.version;
+
+ if ( texture.onUpdate ) texture.onUpdate( texture );
+
+ }
+
+ // Render targets
+
+ // Setup storage for target texture and bind it to correct framebuffer
+ function setupFrameBufferTexture( framebuffer, renderTarget, attachment, textureTarget ) {
+
+ var glFormat = utils.convert( renderTarget.texture.format );
+ var glType = utils.convert( renderTarget.texture.type );
+ state.texImage2D( textureTarget, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );
+ _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );
+ _gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, properties.get( renderTarget.texture ).__webglTexture, 0 );
+ _gl.bindFramebuffer( _gl.FRAMEBUFFER, null );
+
+ }
+
+ // Setup storage for internal depth/stencil buffers and bind to correct framebuffer
+ function setupRenderBufferStorage( renderbuffer, renderTarget ) {
+
+ _gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );
+
+ if ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) {
+
+ _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_COMPONENT16, renderTarget.width, renderTarget.height );
+ _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );
+
+ } else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) {
+
+ _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.DEPTH_STENCIL, renderTarget.width, renderTarget.height );
+ _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer );
+
+ } else {
+
+ // FIXME: We don't support !depth !stencil
+ _gl.renderbufferStorage( _gl.RENDERBUFFER, _gl.RGBA4, renderTarget.width, renderTarget.height );
+
+ }
+
+ _gl.bindRenderbuffer( _gl.RENDERBUFFER, null );
+
+ }
+
+ // Setup resources for a Depth Texture for a FBO (needs an extension)
+ function setupDepthTexture( framebuffer, renderTarget ) {
+
+ var isCube = ( renderTarget && renderTarget.isWebGLRenderTargetCube );
+ if ( isCube ) throw new Error( 'Depth Texture with cube render targets is not supported' );
+
+ _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );
+
+ if ( ! ( renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture ) ) {
+
+ throw new Error( 'renderTarget.depthTexture must be an instance of THREE.DepthTexture' );
+
+ }
+
+ // upload an empty depth texture with framebuffer size
+ if ( ! properties.get( renderTarget.depthTexture ).__webglTexture ||
+ renderTarget.depthTexture.image.width !== renderTarget.width ||
+ renderTarget.depthTexture.image.height !== renderTarget.height ) {
+
+ renderTarget.depthTexture.image.width = renderTarget.width;
+ renderTarget.depthTexture.image.height = renderTarget.height;
+ renderTarget.depthTexture.needsUpdate = true;
+
+ }
+
+ setTexture2D( renderTarget.depthTexture, 0 );
+
+ var webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture;
+
+ if ( renderTarget.depthTexture.format === DepthFormat ) {
+
+ _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );
+
+ } else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {
+
+ _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );
+
+ } else {
+
+ throw new Error( 'Unknown depthTexture format' );
+
+ }
+
+ }
+
+ // Setup GL resources for a non-texture depth buffer
+ function setupDepthRenderbuffer( renderTarget ) {
+
+ var renderTargetProperties = properties.get( renderTarget );
+
+ var isCube = ( renderTarget.isWebGLRenderTargetCube === true );
+
+ if ( renderTarget.depthTexture ) {
+
+ if ( isCube ) throw new Error( 'target.depthTexture not supported in Cube render targets' );
+
+ setupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );
+
+ } else {
+
+ if ( isCube ) {
+
+ renderTargetProperties.__webglDepthbuffer = [];
+
+ for ( var i = 0; i < 6; i ++ ) {
+
+ _gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] );
+ renderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();
+ setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget );
+
+ }
+
+ } else {
+
+ _gl.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );
+ renderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();
+ setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget );
+
+ }
+
+ }
+
+ _gl.bindFramebuffer( _gl.FRAMEBUFFER, null );
+
+ }
+
+ // Set up GL resources for the render target
+ function setupRenderTarget( renderTarget ) {
+
+ var renderTargetProperties = properties.get( renderTarget );
+ var textureProperties = properties.get( renderTarget.texture );
+
+ renderTarget.addEventListener( 'dispose', onRenderTargetDispose );
+
+ textureProperties.__webglTexture = _gl.createTexture();
+
+ infoMemory.textures ++;
+
+ var isCube = ( renderTarget.isWebGLRenderTargetCube === true );
+ var isTargetPowerOfTwo = isPowerOfTwo( renderTarget );
+
+ // Setup framebuffer
+
+ if ( isCube ) {
+
+ renderTargetProperties.__webglFramebuffer = [];
+
+ for ( var i = 0; i < 6; i ++ ) {
+
+ renderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();
+
+ }
+
+ } else {
+
+ renderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();
+
+ }
+
+ // Setup color buffer
+
+ if ( isCube ) {
+
+ state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture );
+ setTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget.texture, isTargetPowerOfTwo );
+
+ for ( var i = 0; i < 6; i ++ ) {
+
+ setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i );
+
+ }
+
+ if ( textureNeedsGenerateMipmaps( renderTarget.texture, isTargetPowerOfTwo ) ) _gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );
+ state.bindTexture( _gl.TEXTURE_CUBE_MAP, null );
+
+ } else {
+
+ state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );
+ setTextureParameters( _gl.TEXTURE_2D, renderTarget.texture, isTargetPowerOfTwo );
+ setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D );
+
+ if ( textureNeedsGenerateMipmaps( renderTarget.texture, isTargetPowerOfTwo ) ) _gl.generateMipmap( _gl.TEXTURE_2D );
+ state.bindTexture( _gl.TEXTURE_2D, null );
+
+ }
+
+ // Setup depth and stencil buffers
+
+ if ( renderTarget.depthBuffer ) {
+
+ setupDepthRenderbuffer( renderTarget );
+
+ }
+
+ }
+
+ function updateRenderTargetMipmap( renderTarget ) {
+
+ var texture = renderTarget.texture;
+ var isTargetPowerOfTwo = isPowerOfTwo( renderTarget );
+
+ if ( textureNeedsGenerateMipmaps( texture, isTargetPowerOfTwo ) ) {
+
+ var target = renderTarget.isWebGLRenderTargetCube ? _gl.TEXTURE_CUBE_MAP : _gl.TEXTURE_2D;
+ var webglTexture = properties.get( texture ).__webglTexture;
+
+ state.bindTexture( target, webglTexture );
+ _gl.generateMipmap( target );
+ state.bindTexture( target, null );
+
+ }
+
+ }
+
+ function updateVideoTextures() {
+
+ for ( var id in _videoTextures ) {
+
+ _videoTextures[ id ].update();
+
+ }
+
+ }
+
+ this.setTexture2D = setTexture2D;
+ this.setTextureCube = setTextureCube;
+ this.setTextureCubeDynamic = setTextureCubeDynamic;
+ this.setupRenderTarget = setupRenderTarget;
+ this.updateRenderTargetMipmap = updateRenderTargetMipmap;
+ this.updateVideoTextures = updateVideoTextures;
+
+ }
+
+ /**
+ * @author fordacious / fordacious.github.io
+ */
+
+ function WebGLProperties() {
+
+ var properties = {};
+
+ function get( object ) {
+
+ var uuid = object.uuid;
+ var map = properties[ uuid ];
+
+ if ( map === undefined ) {
+
+ map = {};
+ properties[ uuid ] = map;
+
+ }
+
+ return map;
+
+ }
+
+ function remove( object ) {
+
+ delete properties[ object.uuid ];
+
+ }
+
+ function clear() {
+
+ properties = {};
+
+ }
+
+ return {
+ get: get,
+ remove: remove,
+ clear: clear
+ };
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function WebGLState( gl, extensions, utils ) {
+
+ function ColorBuffer() {
+
+ var locked = false;
+
+ var color = new Vector4();
+ var currentColorMask = null;
+ var currentColorClear = new Vector4( 0, 0, 0, 0 );
+
+ return {
+
+ setMask: function ( colorMask ) {
+
+ if ( currentColorMask !== colorMask && ! locked ) {
+
+ gl.colorMask( colorMask, colorMask, colorMask, colorMask );
+ currentColorMask = colorMask;
+
+ }
+
+ },
+
+ setLocked: function ( lock ) {
+
+ locked = lock;
+
+ },
+
+ setClear: function ( r, g, b, a, premultipliedAlpha ) {
+
+ if ( premultipliedAlpha === true ) {
+
+ r *= a; g *= a; b *= a;
+
+ }
+
+ color.set( r, g, b, a );
+
+ if ( currentColorClear.equals( color ) === false ) {
+
+ gl.clearColor( r, g, b, a );
+ currentColorClear.copy( color );
+
+ }
+
+ },
+
+ reset: function () {
+
+ locked = false;
+
+ currentColorMask = null;
+ currentColorClear.set( - 1, 0, 0, 0 ); // set to invalid state
+
+ }
+
+ };
+
+ }
+
+ function DepthBuffer() {
+
+ var locked = false;
+
+ var currentDepthMask = null;
+ var currentDepthFunc = null;
+ var currentDepthClear = null;
+
+ return {
+
+ setTest: function ( depthTest ) {
+
+ if ( depthTest ) {
+
+ enable( gl.DEPTH_TEST );
+
+ } else {
+
+ disable( gl.DEPTH_TEST );
+
+ }
+
+ },
+
+ setMask: function ( depthMask ) {
+
+ if ( currentDepthMask !== depthMask && ! locked ) {
+
+ gl.depthMask( depthMask );
+ currentDepthMask = depthMask;
+
+ }
+
+ },
+
+ setFunc: function ( depthFunc ) {
+
+ if ( currentDepthFunc !== depthFunc ) {
+
+ if ( depthFunc ) {
+
+ switch ( depthFunc ) {
+
+ case NeverDepth:
+
+ gl.depthFunc( gl.NEVER );
+ break;
+
+ case AlwaysDepth:
+
+ gl.depthFunc( gl.ALWAYS );
+ break;
+
+ case LessDepth:
+
+ gl.depthFunc( gl.LESS );
+ break;
+
+ case LessEqualDepth:
+
+ gl.depthFunc( gl.LEQUAL );
+ break;
+
+ case EqualDepth:
+
+ gl.depthFunc( gl.EQUAL );
+ break;
+
+ case GreaterEqualDepth:
+
+ gl.depthFunc( gl.GEQUAL );
+ break;
+
+ case GreaterDepth:
+
+ gl.depthFunc( gl.GREATER );
+ break;
+
+ case NotEqualDepth:
+
+ gl.depthFunc( gl.NOTEQUAL );
+ break;
+
+ default:
+
+ gl.depthFunc( gl.LEQUAL );
+
+ }
+
+ } else {
+
+ gl.depthFunc( gl.LEQUAL );
+
+ }
+
+ currentDepthFunc = depthFunc;
+
+ }
+
+ },
+
+ setLocked: function ( lock ) {
+
+ locked = lock;
+
+ },
+
+ setClear: function ( depth ) {
+
+ if ( currentDepthClear !== depth ) {
+
+ gl.clearDepth( depth );
+ currentDepthClear = depth;
+
+ }
+
+ },
+
+ reset: function () {
+
+ locked = false;
+
+ currentDepthMask = null;
+ currentDepthFunc = null;
+ currentDepthClear = null;
+
+ }
+
+ };
+
+ }
+
+ function StencilBuffer() {
+
+ var locked = false;
+
+ var currentStencilMask = null;
+ var currentStencilFunc = null;
+ var currentStencilRef = null;
+ var currentStencilFuncMask = null;
+ var currentStencilFail = null;
+ var currentStencilZFail = null;
+ var currentStencilZPass = null;
+ var currentStencilClear = null;
+
+ return {
+
+ setTest: function ( stencilTest ) {
+
+ if ( stencilTest ) {
+
+ enable( gl.STENCIL_TEST );
+
+ } else {
+
+ disable( gl.STENCIL_TEST );
+
+ }
+
+ },
+
+ setMask: function ( stencilMask ) {
+
+ if ( currentStencilMask !== stencilMask && ! locked ) {
+
+ gl.stencilMask( stencilMask );
+ currentStencilMask = stencilMask;
+
+ }
+
+ },
+
+ setFunc: function ( stencilFunc, stencilRef, stencilMask ) {
+
+ if ( currentStencilFunc !== stencilFunc ||
+ currentStencilRef !== stencilRef ||
+ currentStencilFuncMask !== stencilMask ) {
+
+ gl.stencilFunc( stencilFunc, stencilRef, stencilMask );
+
+ currentStencilFunc = stencilFunc;
+ currentStencilRef = stencilRef;
+ currentStencilFuncMask = stencilMask;
+
+ }
+
+ },
+
+ setOp: function ( stencilFail, stencilZFail, stencilZPass ) {
+
+ if ( currentStencilFail !== stencilFail ||
+ currentStencilZFail !== stencilZFail ||
+ currentStencilZPass !== stencilZPass ) {
+
+ gl.stencilOp( stencilFail, stencilZFail, stencilZPass );
+
+ currentStencilFail = stencilFail;
+ currentStencilZFail = stencilZFail;
+ currentStencilZPass = stencilZPass;
+
+ }
+
+ },
+
+ setLocked: function ( lock ) {
+
+ locked = lock;
+
+ },
+
+ setClear: function ( stencil ) {
+
+ if ( currentStencilClear !== stencil ) {
+
+ gl.clearStencil( stencil );
+ currentStencilClear = stencil;
+
+ }
+
+ },
+
+ reset: function () {
+
+ locked = false;
+
+ currentStencilMask = null;
+ currentStencilFunc = null;
+ currentStencilRef = null;
+ currentStencilFuncMask = null;
+ currentStencilFail = null;
+ currentStencilZFail = null;
+ currentStencilZPass = null;
+ currentStencilClear = null;
+
+ }
+
+ };
+
+ }
+
+ //
+
+ var colorBuffer = new ColorBuffer();
+ var depthBuffer = new DepthBuffer();
+ var stencilBuffer = new StencilBuffer();
+
+ var maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );
+ var newAttributes = new Uint8Array( maxVertexAttributes );
+ var enabledAttributes = new Uint8Array( maxVertexAttributes );
+ var attributeDivisors = new Uint8Array( maxVertexAttributes );
+
+ var capabilities = {};
+
+ var compressedTextureFormats = null;
+
+ var currentProgram = null;
+
+ var currentBlending = null;
+ var currentBlendEquation = null;
+ var currentBlendSrc = null;
+ var currentBlendDst = null;
+ var currentBlendEquationAlpha = null;
+ var currentBlendSrcAlpha = null;
+ var currentBlendDstAlpha = null;
+ var currentPremultipledAlpha = false;
+
+ var currentFlipSided = null;
+ var currentCullFace = null;
+
+ var currentLineWidth = null;
+
+ var currentPolygonOffsetFactor = null;
+ var currentPolygonOffsetUnits = null;
+
+ var maxTextures = gl.getParameter( gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS );
+
+ var version = parseFloat( /^WebGL\ ([0-9])/.exec( gl.getParameter( gl.VERSION ) )[ 1 ] );
+ var lineWidthAvailable = parseFloat( version ) >= 1.0;
+
+ var currentTextureSlot = null;
+ var currentBoundTextures = {};
+
+ var currentScissor = new Vector4();
+ var currentViewport = new Vector4();
+
+ function createTexture( type, target, count ) {
+
+ var data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.
+ var texture = gl.createTexture();
+
+ gl.bindTexture( type, texture );
+ gl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST );
+ gl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST );
+
+ for ( var i = 0; i < count; i ++ ) {
+
+ gl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data );
+
+ }
+
+ return texture;
+
+ }
+
+ var emptyTextures = {};
+ emptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 );
+ emptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 );
+
+ // init
+
+ colorBuffer.setClear( 0, 0, 0, 1 );
+ depthBuffer.setClear( 1 );
+ stencilBuffer.setClear( 0 );
+
+ enable( gl.DEPTH_TEST );
+ depthBuffer.setFunc( LessEqualDepth );
+
+ setFlipSided( false );
+ setCullFace( CullFaceBack );
+ enable( gl.CULL_FACE );
+
+ enable( gl.BLEND );
+ setBlending( NormalBlending );
+
+ //
+
+ function initAttributes() {
+
+ for ( var i = 0, l = newAttributes.length; i < l; i ++ ) {
+
+ newAttributes[ i ] = 0;
+
+ }
+
+ }
+
+ function enableAttribute( attribute ) {
+
+ newAttributes[ attribute ] = 1;
+
+ if ( enabledAttributes[ attribute ] === 0 ) {
+
+ gl.enableVertexAttribArray( attribute );
+ enabledAttributes[ attribute ] = 1;
+
+ }
+
+ if ( attributeDivisors[ attribute ] !== 0 ) {
+
+ var extension = extensions.get( 'ANGLE_instanced_arrays' );
+
+ extension.vertexAttribDivisorANGLE( attribute, 0 );
+ attributeDivisors[ attribute ] = 0;
+
+ }
+
+ }
+
+ function enableAttributeAndDivisor( attribute, meshPerAttribute ) {
+
+ newAttributes[ attribute ] = 1;
+
+ if ( enabledAttributes[ attribute ] === 0 ) {
+
+ gl.enableVertexAttribArray( attribute );
+ enabledAttributes[ attribute ] = 1;
+
+ }
+
+ if ( attributeDivisors[ attribute ] !== meshPerAttribute ) {
+
+ var extension = extensions.get( 'ANGLE_instanced_arrays' );
+
+ extension.vertexAttribDivisorANGLE( attribute, meshPerAttribute );
+ attributeDivisors[ attribute ] = meshPerAttribute;
+
+ }
+
+ }
+
+ function disableUnusedAttributes() {
+
+ for ( var i = 0, l = enabledAttributes.length; i !== l; ++ i ) {
+
+ if ( enabledAttributes[ i ] !== newAttributes[ i ] ) {
+
+ gl.disableVertexAttribArray( i );
+ enabledAttributes[ i ] = 0;
+
+ }
+
+ }
+
+ }
+
+ function enable( id ) {
+
+ if ( capabilities[ id ] !== true ) {
+
+ gl.enable( id );
+ capabilities[ id ] = true;
+
+ }
+
+ }
+
+ function disable( id ) {
+
+ if ( capabilities[ id ] !== false ) {
+
+ gl.disable( id );
+ capabilities[ id ] = false;
+
+ }
+
+ }
+
+ function getCompressedTextureFormats() {
+
+ if ( compressedTextureFormats === null ) {
+
+ compressedTextureFormats = [];
+
+ if ( extensions.get( 'WEBGL_compressed_texture_pvrtc' ) ||
+ extensions.get( 'WEBGL_compressed_texture_s3tc' ) ||
+ extensions.get( 'WEBGL_compressed_texture_etc1' ) ) {
+
+ var formats = gl.getParameter( gl.COMPRESSED_TEXTURE_FORMATS );
+
+ for ( var i = 0; i < formats.length; i ++ ) {
+
+ compressedTextureFormats.push( formats[ i ] );
+
+ }
+
+ }
+
+ }
+
+ return compressedTextureFormats;
+
+ }
+
+ function useProgram( program ) {
+
+ if ( currentProgram !== program ) {
+
+ gl.useProgram( program );
+
+ currentProgram = program;
+
+ return true;
+
+ }
+
+ return false;
+
+ }
+
+ function setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) {
+
+ if ( blending !== NoBlending ) {
+
+ enable( gl.BLEND );
+
+ } else {
+
+ disable( gl.BLEND );
+
+ }
+
+ if ( blending !== CustomBlending ) {
+
+ if ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {
+
+ switch ( blending ) {
+
+ case AdditiveBlending:
+
+ if ( premultipliedAlpha ) {
+
+ gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );
+ gl.blendFuncSeparate( gl.ONE, gl.ONE, gl.ONE, gl.ONE );
+
+ } else {
+
+ gl.blendEquation( gl.FUNC_ADD );
+ gl.blendFunc( gl.SRC_ALPHA, gl.ONE );
+
+ }
+ break;
+
+ case SubtractiveBlending:
+
+ if ( premultipliedAlpha ) {
+
+ gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );
+ gl.blendFuncSeparate( gl.ZERO, gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ONE_MINUS_SRC_ALPHA );
+
+ } else {
+
+ gl.blendEquation( gl.FUNC_ADD );
+ gl.blendFunc( gl.ZERO, gl.ONE_MINUS_SRC_COLOR );
+
+ }
+ break;
+
+ case MultiplyBlending:
+
+ if ( premultipliedAlpha ) {
+
+ gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );
+ gl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA );
+
+ } else {
+
+ gl.blendEquation( gl.FUNC_ADD );
+ gl.blendFunc( gl.ZERO, gl.SRC_COLOR );
+
+ }
+ break;
+
+ default:
+
+ if ( premultipliedAlpha ) {
+
+ gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );
+ gl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );
+
+ } else {
+
+ gl.blendEquationSeparate( gl.FUNC_ADD, gl.FUNC_ADD );
+ gl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );
+
+ }
+
+ }
+
+ }
+
+ currentBlendEquation = null;
+ currentBlendSrc = null;
+ currentBlendDst = null;
+ currentBlendEquationAlpha = null;
+ currentBlendSrcAlpha = null;
+ currentBlendDstAlpha = null;
+
+ } else {
+
+ blendEquationAlpha = blendEquationAlpha || blendEquation;
+ blendSrcAlpha = blendSrcAlpha || blendSrc;
+ blendDstAlpha = blendDstAlpha || blendDst;
+
+ if ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {
+
+ gl.blendEquationSeparate( utils.convert( blendEquation ), utils.convert( blendEquationAlpha ) );
+
+ currentBlendEquation = blendEquation;
+ currentBlendEquationAlpha = blendEquationAlpha;
+
+ }
+
+ if ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {
+
+ gl.blendFuncSeparate( utils.convert( blendSrc ), utils.convert( blendDst ), utils.convert( blendSrcAlpha ), utils.convert( blendDstAlpha ) );
+
+ currentBlendSrc = blendSrc;
+ currentBlendDst = blendDst;
+ currentBlendSrcAlpha = blendSrcAlpha;
+ currentBlendDstAlpha = blendDstAlpha;
+
+ }
+
+ }
+
+ currentBlending = blending;
+ currentPremultipledAlpha = premultipliedAlpha;
+
+ }
+
+ function setMaterial( material, frontFaceCW ) {
+
+ material.side === DoubleSide
+ ? disable( gl.CULL_FACE )
+ : enable( gl.CULL_FACE );
+
+ var flipSided = ( material.side === BackSide );
+ if ( frontFaceCW ) flipSided = ! flipSided;
+
+ setFlipSided( flipSided );
+
+ material.transparent === true
+ ? setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha )
+ : setBlending( NoBlending );
+
+ depthBuffer.setFunc( material.depthFunc );
+ depthBuffer.setTest( material.depthTest );
+ depthBuffer.setMask( material.depthWrite );
+ colorBuffer.setMask( material.colorWrite );
+
+ setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );
+
+ }
+
+ //
+
+ function setFlipSided( flipSided ) {
+
+ if ( currentFlipSided !== flipSided ) {
+
+ if ( flipSided ) {
+
+ gl.frontFace( gl.CW );
+
+ } else {
+
+ gl.frontFace( gl.CCW );
+
+ }
+
+ currentFlipSided = flipSided;
+
+ }
+
+ }
+
+ function setCullFace( cullFace ) {
+
+ if ( cullFace !== CullFaceNone ) {
+
+ enable( gl.CULL_FACE );
+
+ if ( cullFace !== currentCullFace ) {
+
+ if ( cullFace === CullFaceBack ) {
+
+ gl.cullFace( gl.BACK );
+
+ } else if ( cullFace === CullFaceFront ) {
+
+ gl.cullFace( gl.FRONT );
+
+ } else {
+
+ gl.cullFace( gl.FRONT_AND_BACK );
+
+ }
+
+ }
+
+ } else {
+
+ disable( gl.CULL_FACE );
+
+ }
+
+ currentCullFace = cullFace;
+
+ }
+
+ function setLineWidth( width ) {
+
+ if ( width !== currentLineWidth ) {
+
+ if ( lineWidthAvailable ) gl.lineWidth( width );
+
+ currentLineWidth = width;
+
+ }
+
+ }
+
+ function setPolygonOffset( polygonOffset, factor, units ) {
+
+ if ( polygonOffset ) {
+
+ enable( gl.POLYGON_OFFSET_FILL );
+
+ if ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {
+
+ gl.polygonOffset( factor, units );
+
+ currentPolygonOffsetFactor = factor;
+ currentPolygonOffsetUnits = units;
+
+ }
+
+ } else {
+
+ disable( gl.POLYGON_OFFSET_FILL );
+
+ }
+
+ }
+
+ function setScissorTest( scissorTest ) {
+
+ if ( scissorTest ) {
+
+ enable( gl.SCISSOR_TEST );
+
+ } else {
+
+ disable( gl.SCISSOR_TEST );
+
+ }
+
+ }
+
+ // texture
+
+ function activeTexture( webglSlot ) {
+
+ if ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1;
+
+ if ( currentTextureSlot !== webglSlot ) {
+
+ gl.activeTexture( webglSlot );
+ currentTextureSlot = webglSlot;
+
+ }
+
+ }
+
+ function bindTexture( webglType, webglTexture ) {
+
+ if ( currentTextureSlot === null ) {
+
+ activeTexture();
+
+ }
+
+ var boundTexture = currentBoundTextures[ currentTextureSlot ];
+
+ if ( boundTexture === undefined ) {
+
+ boundTexture = { type: undefined, texture: undefined };
+ currentBoundTextures[ currentTextureSlot ] = boundTexture;
+
+ }
+
+ if ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {
+
+ gl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );
+
+ boundTexture.type = webglType;
+ boundTexture.texture = webglTexture;
+
+ }
+
+ }
+
+ function compressedTexImage2D() {
+
+ try {
+
+ gl.compressedTexImage2D.apply( gl, arguments );
+
+ } catch ( error ) {
+
+ console.error( 'THREE.WebGLState:', error );
+
+ }
+
+ }
+
+ function texImage2D() {
+
+ try {
+
+ gl.texImage2D.apply( gl, arguments );
+
+ } catch ( error ) {
+
+ console.error( 'THREE.WebGLState:', error );
+
+ }
+
+ }
+
+ //
+
+ function scissor( scissor ) {
+
+ if ( currentScissor.equals( scissor ) === false ) {
+
+ gl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );
+ currentScissor.copy( scissor );
+
+ }
+
+ }
+
+ function viewport( viewport ) {
+
+ if ( currentViewport.equals( viewport ) === false ) {
+
+ gl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );
+ currentViewport.copy( viewport );
+
+ }
+
+ }
+
+ //
+
+ function reset() {
+
+ for ( var i = 0; i < enabledAttributes.length; i ++ ) {
+
+ if ( enabledAttributes[ i ] === 1 ) {
+
+ gl.disableVertexAttribArray( i );
+ enabledAttributes[ i ] = 0;
+
+ }
+
+ }
+
+ capabilities = {};
+
+ compressedTextureFormats = null;
+
+ currentTextureSlot = null;
+ currentBoundTextures = {};
+
+ currentProgram = null;
+
+ currentBlending = null;
+
+ currentFlipSided = null;
+ currentCullFace = null;
+
+ colorBuffer.reset();
+ depthBuffer.reset();
+ stencilBuffer.reset();
+
+ }
+
+ return {
+
+ buffers: {
+ color: colorBuffer,
+ depth: depthBuffer,
+ stencil: stencilBuffer
+ },
+
+ initAttributes: initAttributes,
+ enableAttribute: enableAttribute,
+ enableAttributeAndDivisor: enableAttributeAndDivisor,
+ disableUnusedAttributes: disableUnusedAttributes,
+ enable: enable,
+ disable: disable,
+ getCompressedTextureFormats: getCompressedTextureFormats,
+
+ useProgram: useProgram,
+
+ setBlending: setBlending,
+ setMaterial: setMaterial,
+
+ setFlipSided: setFlipSided,
+ setCullFace: setCullFace,
+
+ setLineWidth: setLineWidth,
+ setPolygonOffset: setPolygonOffset,
+
+ setScissorTest: setScissorTest,
+
+ activeTexture: activeTexture,
+ bindTexture: bindTexture,
+ compressedTexImage2D: compressedTexImage2D,
+ texImage2D: texImage2D,
+
+ scissor: scissor,
+ viewport: viewport,
+
+ reset: reset
+
+ };
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function WebGLCapabilities( gl, extensions, parameters ) {
+
+ var maxAnisotropy;
+
+ function getMaxAnisotropy() {
+
+ if ( maxAnisotropy !== undefined ) return maxAnisotropy;
+
+ var extension = extensions.get( 'EXT_texture_filter_anisotropic' );
+
+ if ( extension !== null ) {
+
+ maxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );
+
+ } else {
+
+ maxAnisotropy = 0;
+
+ }
+
+ return maxAnisotropy;
+
+ }
+
+ function getMaxPrecision( precision ) {
+
+ if ( precision === 'highp' ) {
+
+ if ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 &&
+ gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) {
+
+ return 'highp';
+
+ }
+
+ precision = 'mediump';
+
+ }
+
+ if ( precision === 'mediump' ) {
+
+ if ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 &&
+ gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) {
+
+ return 'mediump';
+
+ }
+
+ }
+
+ return 'lowp';
+
+ }
+
+ var precision = parameters.precision !== undefined ? parameters.precision : 'highp';
+ var maxPrecision = getMaxPrecision( precision );
+
+ if ( maxPrecision !== precision ) {
+
+ console.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );
+ precision = maxPrecision;
+
+ }
+
+ var logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true;
+
+ var maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );
+ var maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS );
+ var maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE );
+ var maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE );
+
+ var maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );
+ var maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS );
+ var maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS );
+ var maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS );
+
+ var vertexTextures = maxVertexTextures > 0;
+ var floatFragmentTextures = !! extensions.get( 'OES_texture_float' );
+ var floatVertexTextures = vertexTextures && floatFragmentTextures;
+
+ return {
+
+ getMaxAnisotropy: getMaxAnisotropy,
+ getMaxPrecision: getMaxPrecision,
+
+ precision: precision,
+ logarithmicDepthBuffer: logarithmicDepthBuffer,
+
+ maxTextures: maxTextures,
+ maxVertexTextures: maxVertexTextures,
+ maxTextureSize: maxTextureSize,
+ maxCubemapSize: maxCubemapSize,
+
+ maxAttributes: maxAttributes,
+ maxVertexUniforms: maxVertexUniforms,
+ maxVaryings: maxVaryings,
+ maxFragmentUniforms: maxFragmentUniforms,
+
+ vertexTextures: vertexTextures,
+ floatFragmentTextures: floatFragmentTextures,
+ floatVertexTextures: floatVertexTextures
+
+ };
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author greggman / http://games.greggman.com/
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ * @author tschw
+ */
+
+ function PerspectiveCamera( fov, aspect, near, far ) {
+
+ Camera.call( this );
+
+ this.type = 'PerspectiveCamera';
+
+ this.fov = fov !== undefined ? fov : 50;
+ this.zoom = 1;
+
+ this.near = near !== undefined ? near : 0.1;
+ this.far = far !== undefined ? far : 2000;
+ this.focus = 10;
+
+ this.aspect = aspect !== undefined ? aspect : 1;
+ this.view = null;
+
+ this.filmGauge = 35; // width of the film (default in millimeters)
+ this.filmOffset = 0; // horizontal film offset (same unit as gauge)
+
+ this.updateProjectionMatrix();
+
+ }
+
+ PerspectiveCamera.prototype = Object.assign( Object.create( Camera.prototype ), {
+
+ constructor: PerspectiveCamera,
+
+ isPerspectiveCamera: true,
+
+ copy: function ( source, recursive ) {
+
+ Camera.prototype.copy.call( this, source, recursive );
+
+ this.fov = source.fov;
+ this.zoom = source.zoom;
+
+ this.near = source.near;
+ this.far = source.far;
+ this.focus = source.focus;
+
+ this.aspect = source.aspect;
+ this.view = source.view === null ? null : Object.assign( {}, source.view );
+
+ this.filmGauge = source.filmGauge;
+ this.filmOffset = source.filmOffset;
+
+ return this;
+
+ },
+
+ /**
+ * Sets the FOV by focal length in respect to the current .filmGauge.
+ *
+ * The default film gauge is 35, so that the focal length can be specified for
+ * a 35mm (full frame) camera.
+ *
+ * Values for focal length and film gauge must have the same unit.
+ */
+ setFocalLength: function ( focalLength ) {
+
+ // see http://www.bobatkins.com/photography/technical/field_of_view.html
+ var vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;
+
+ this.fov = _Math.RAD2DEG * 2 * Math.atan( vExtentSlope );
+ this.updateProjectionMatrix();
+
+ },
+
+ /**
+ * Calculates the focal length from the current .fov and .filmGauge.
+ */
+ getFocalLength: function () {
+
+ var vExtentSlope = Math.tan( _Math.DEG2RAD * 0.5 * this.fov );
+
+ return 0.5 * this.getFilmHeight() / vExtentSlope;
+
+ },
+
+ getEffectiveFOV: function () {
+
+ return _Math.RAD2DEG * 2 * Math.atan(
+ Math.tan( _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom );
+
+ },
+
+ getFilmWidth: function () {
+
+ // film not completely covered in portrait format (aspect < 1)
+ return this.filmGauge * Math.min( this.aspect, 1 );
+
+ },
+
+ getFilmHeight: function () {
+
+ // film not completely covered in landscape format (aspect > 1)
+ return this.filmGauge / Math.max( this.aspect, 1 );
+
+ },
+
+ /**
+ * Sets an offset in a larger frustum. This is useful for multi-window or
+ * multi-monitor/multi-machine setups.
+ *
+ * For example, if you have 3x2 monitors and each monitor is 1920x1080 and
+ * the monitors are in grid like this
+ *
+ * +---+---+---+
+ * | A | B | C |
+ * +---+---+---+
+ * | D | E | F |
+ * +---+---+---+
+ *
+ * then for each monitor you would call it like this
+ *
+ * var w = 1920;
+ * var h = 1080;
+ * var fullWidth = w * 3;
+ * var fullHeight = h * 2;
+ *
+ * --A--
+ * camera.setOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );
+ * --B--
+ * camera.setOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );
+ * --C--
+ * camera.setOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );
+ * --D--
+ * camera.setOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );
+ * --E--
+ * camera.setOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );
+ * --F--
+ * camera.setOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );
+ *
+ * Note there is no reason monitors have to be the same size or in a grid.
+ */
+ setViewOffset: function ( fullWidth, fullHeight, x, y, width, height ) {
+
+ this.aspect = fullWidth / fullHeight;
+
+ if ( this.view === null ) {
+
+ this.view = {
+ enabled: true,
+ fullWidth: 1,
+ fullHeight: 1,
+ offsetX: 0,
+ offsetY: 0,
+ width: 1,
+ height: 1
+ };
+
+ }
+
+ this.view.enabled = true;
+ this.view.fullWidth = fullWidth;
+ this.view.fullHeight = fullHeight;
+ this.view.offsetX = x;
+ this.view.offsetY = y;
+ this.view.width = width;
+ this.view.height = height;
+
+ this.updateProjectionMatrix();
+
+ },
+
+ clearViewOffset: function () {
+
+ if ( this.view !== null ) {
+
+ this.view.enabled = false;
+
+ }
+
+ this.updateProjectionMatrix();
+
+ },
+
+ updateProjectionMatrix: function () {
+
+ var near = this.near,
+ top = near * Math.tan(
+ _Math.DEG2RAD * 0.5 * this.fov ) / this.zoom,
+ height = 2 * top,
+ width = this.aspect * height,
+ left = - 0.5 * width,
+ view = this.view;
+
+ if ( this.view !== null && this.view.enabled ) {
+
+ var fullWidth = view.fullWidth,
+ fullHeight = view.fullHeight;
+
+ left += view.offsetX * width / fullWidth;
+ top -= view.offsetY * height / fullHeight;
+ width *= view.width / fullWidth;
+ height *= view.height / fullHeight;
+
+ }
+
+ var skew = this.filmOffset;
+ if ( skew !== 0 ) left += near * skew / this.getFilmWidth();
+
+ this.projectionMatrix.makePerspective( left, left + width, top, top - height, near, this.far );
+
+ },
+
+ toJSON: function ( meta ) {
+
+ var data = Object3D.prototype.toJSON.call( this, meta );
+
+ data.object.fov = this.fov;
+ data.object.zoom = this.zoom;
+
+ data.object.near = this.near;
+ data.object.far = this.far;
+ data.object.focus = this.focus;
+
+ data.object.aspect = this.aspect;
+
+ if ( this.view !== null ) data.object.view = Object.assign( {}, this.view );
+
+ data.object.filmGauge = this.filmGauge;
+ data.object.filmOffset = this.filmOffset;
+
+ return data;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function ArrayCamera( array ) {
+
+ PerspectiveCamera.call( this );
+
+ this.cameras = array || [];
+
+ }
+
+ ArrayCamera.prototype = Object.assign( Object.create( PerspectiveCamera.prototype ), {
+
+ constructor: ArrayCamera,
+
+ isArrayCamera: true
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function WebVRManager( renderer ) {
+
+ var scope = this;
+
+ var device = null;
+ var frameData = null;
+
+ var poseTarget = null;
+
+ if ( typeof window !== 'undefined' && 'VRFrameData' in window ) {
+
+ frameData = new window.VRFrameData();
+
+ }
+
+ var matrixWorldInverse = new Matrix4();
+
+ var cameraL = new PerspectiveCamera();
+ cameraL.bounds = new Vector4( 0.0, 0.0, 0.5, 1.0 );
+ cameraL.layers.enable( 1 );
+
+ var cameraR = new PerspectiveCamera();
+ cameraR.bounds = new Vector4( 0.5, 0.0, 0.5, 1.0 );
+ cameraR.layers.enable( 2 );
+
+ var cameraVR = new ArrayCamera( [ cameraL, cameraR ] );
+ cameraVR.layers.enable( 1 );
+ cameraVR.layers.enable( 2 );
+
+ //
+
+ var currentSize, currentPixelRatio;
+
+ function onVRDisplayPresentChange() {
+
+ if ( device !== null && device.isPresenting ) {
+
+ var eyeParameters = device.getEyeParameters( 'left' );
+ var renderWidth = eyeParameters.renderWidth;
+ var renderHeight = eyeParameters.renderHeight;
+
+ currentPixelRatio = renderer.getPixelRatio();
+ currentSize = renderer.getSize();
+
+ renderer.setDrawingBufferSize( renderWidth * 2, renderHeight, 1 );
+
+ } else if ( scope.enabled ) {
+
+ renderer.setDrawingBufferSize( currentSize.width, currentSize.height, currentPixelRatio );
+
+ }
+
+ }
+
+ if ( typeof window !== 'undefined' ) {
+
+ window.addEventListener( 'vrdisplaypresentchange', onVRDisplayPresentChange, false );
+
+ }
+
+ //
+
+ this.enabled = false;
+
+ this.getDevice = function () {
+
+ return device;
+
+ };
+
+ this.setDevice = function ( value ) {
+
+ if ( value !== undefined ) device = value;
+
+ };
+
+ this.setPoseTarget = function ( object ) {
+
+ if ( object !== undefined ) poseTarget = object;
+
+ };
+
+ this.getCamera = function ( camera ) {
+
+ if ( device === null ) return camera;
+
+ device.depthNear = camera.near;
+ device.depthFar = camera.far;
+
+ device.getFrameData( frameData );
+
+ //
+
+ var pose = frameData.pose;
+ var poseObject = poseTarget !== null ? poseTarget : camera;
+
+ if ( pose.position !== null ) {
+
+ poseObject.position.fromArray( pose.position );
+
+ } else {
+
+ poseObject.position.set( 0, 0, 0 );
+
+ }
+
+ if ( pose.orientation !== null ) {
+
+ poseObject.quaternion.fromArray( pose.orientation );
+
+ }
+
+ poseObject.updateMatrixWorld();
+
+ if ( device.isPresenting === false ) return camera;
+
+ //
+
+ cameraL.near = camera.near;
+ cameraR.near = camera.near;
+
+ cameraL.far = camera.far;
+ cameraR.far = camera.far;
+
+ cameraVR.matrixWorld.copy( camera.matrixWorld );
+ cameraVR.matrixWorldInverse.copy( camera.matrixWorldInverse );
+
+ cameraL.matrixWorldInverse.fromArray( frameData.leftViewMatrix );
+ cameraR.matrixWorldInverse.fromArray( frameData.rightViewMatrix );
+
+ var parent = poseObject.parent;
+
+ if ( parent !== null ) {
+
+ matrixWorldInverse.getInverse( parent.matrixWorld );
+
+ cameraL.matrixWorldInverse.multiply( matrixWorldInverse );
+ cameraR.matrixWorldInverse.multiply( matrixWorldInverse );
+
+ }
+
+ // envMap and Mirror needs camera.matrixWorld
+
+ cameraL.matrixWorld.getInverse( cameraL.matrixWorldInverse );
+ cameraR.matrixWorld.getInverse( cameraR.matrixWorldInverse );
+
+ cameraL.projectionMatrix.fromArray( frameData.leftProjectionMatrix );
+ cameraR.projectionMatrix.fromArray( frameData.rightProjectionMatrix );
+
+ // HACK @mrdoob
+ // https://github.com/w3c/webvr/issues/203
+
+ cameraVR.projectionMatrix.copy( cameraL.projectionMatrix );
+
+ //
+
+ var layers = device.getLayers();
+
+ if ( layers.length ) {
+
+ var layer = layers[ 0 ];
+
+ if ( layer.leftBounds !== null && layer.leftBounds.length === 4 ) {
+
+ cameraL.bounds.fromArray( layer.leftBounds );
+
+ }
+
+ if ( layer.rightBounds !== null && layer.rightBounds.length === 4 ) {
+
+ cameraR.bounds.fromArray( layer.rightBounds );
+
+ }
+
+ }
+
+ return cameraVR;
+
+ };
+
+ this.submitFrame = function () {
+
+ if ( device && device.isPresenting ) device.submitFrame();
+
+ };
+
+ this.dispose = function () {
+
+ if ( typeof window !== 'undefined' ) {
+
+ window.removeEventListener( 'vrdisplaypresentchange', onVRDisplayPresentChange );
+
+ }
+
+ };
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function WebGLExtensions( gl ) {
+
+ var extensions = {};
+
+ return {
+
+ get: function ( name ) {
+
+ if ( extensions[ name ] !== undefined ) {
+
+ return extensions[ name ];
+
+ }
+
+ var extension;
+
+ switch ( name ) {
+
+ case 'WEBGL_depth_texture':
+ extension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );
+ break;
+
+ case 'EXT_texture_filter_anisotropic':
+ extension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );
+ break;
+
+ case 'WEBGL_compressed_texture_s3tc':
+ extension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );
+ break;
+
+ case 'WEBGL_compressed_texture_pvrtc':
+ extension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );
+ break;
+
+ case 'WEBGL_compressed_texture_etc1':
+ extension = gl.getExtension( 'WEBGL_compressed_texture_etc1' );
+ break;
+
+ default:
+ extension = gl.getExtension( name );
+
+ }
+
+ if ( extension === null ) {
+
+ console.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );
+
+ }
+
+ extensions[ name ] = extension;
+
+ return extension;
+
+ }
+
+ };
+
+ }
+
+ /**
+ * @author tschw
+ */
+
+ function WebGLClipping() {
+
+ var scope = this,
+
+ globalState = null,
+ numGlobalPlanes = 0,
+ localClippingEnabled = false,
+ renderingShadows = false,
+
+ plane = new Plane(),
+ viewNormalMatrix = new Matrix3(),
+
+ uniform = { value: null, needsUpdate: false };
+
+ this.uniform = uniform;
+ this.numPlanes = 0;
+ this.numIntersection = 0;
+
+ this.init = function ( planes, enableLocalClipping, camera ) {
+
+ var enabled =
+ planes.length !== 0 ||
+ enableLocalClipping ||
+ // enable state of previous frame - the clipping code has to
+ // run another frame in order to reset the state:
+ numGlobalPlanes !== 0 ||
+ localClippingEnabled;
+
+ localClippingEnabled = enableLocalClipping;
+
+ globalState = projectPlanes( planes, camera, 0 );
+ numGlobalPlanes = planes.length;
+
+ return enabled;
+
+ };
+
+ this.beginShadows = function () {
+
+ renderingShadows = true;
+ projectPlanes( null );
+
+ };
+
+ this.endShadows = function () {
+
+ renderingShadows = false;
+ resetGlobalState();
+
+ };
+
+ this.setState = function ( planes, clipIntersection, clipShadows, camera, cache, fromCache ) {
+
+ if ( ! localClippingEnabled || planes === null || planes.length === 0 || renderingShadows && ! clipShadows ) {
+
+ // there's no local clipping
+
+ if ( renderingShadows ) {
+
+ // there's no global clipping
+
+ projectPlanes( null );
+
+ } else {
+
+ resetGlobalState();
+
+ }
+
+ } else {
+
+ var nGlobal = renderingShadows ? 0 : numGlobalPlanes,
+ lGlobal = nGlobal * 4,
+
+ dstArray = cache.clippingState || null;
+
+ uniform.value = dstArray; // ensure unique state
+
+ dstArray = projectPlanes( planes, camera, lGlobal, fromCache );
+
+ for ( var i = 0; i !== lGlobal; ++ i ) {
+
+ dstArray[ i ] = globalState[ i ];
+
+ }
+
+ cache.clippingState = dstArray;
+ this.numIntersection = clipIntersection ? this.numPlanes : 0;
+ this.numPlanes += nGlobal;
+
+ }
+
+
+ };
+
+ function resetGlobalState() {
+
+ if ( uniform.value !== globalState ) {
+
+ uniform.value = globalState;
+ uniform.needsUpdate = numGlobalPlanes > 0;
+
+ }
+
+ scope.numPlanes = numGlobalPlanes;
+ scope.numIntersection = 0;
+
+ }
+
+ function projectPlanes( planes, camera, dstOffset, skipTransform ) {
+
+ var nPlanes = planes !== null ? planes.length : 0,
+ dstArray = null;
+
+ if ( nPlanes !== 0 ) {
+
+ dstArray = uniform.value;
+
+ if ( skipTransform !== true || dstArray === null ) {
+
+ var flatSize = dstOffset + nPlanes * 4,
+ viewMatrix = camera.matrixWorldInverse;
+
+ viewNormalMatrix.getNormalMatrix( viewMatrix );
+
+ if ( dstArray === null || dstArray.length < flatSize ) {
+
+ dstArray = new Float32Array( flatSize );
+
+ }
+
+ for ( var i = 0, i4 = dstOffset; i !== nPlanes; ++ i, i4 += 4 ) {
+
+ plane.copy( planes[ i ] ).applyMatrix4( viewMatrix, viewNormalMatrix );
+
+ plane.normal.toArray( dstArray, i4 );
+ dstArray[ i4 + 3 ] = plane.constant;
+
+ }
+
+ }
+
+ uniform.value = dstArray;
+ uniform.needsUpdate = true;
+
+ }
+
+ scope.numPlanes = nPlanes;
+
+ return dstArray;
+
+ }
+
+ }
+
+ /**
+ * @author thespite / http://www.twitter.com/thespite
+ */
+
+ function WebGLUtils( gl, extensions ) {
+
+ function convert( p ) {
+
+ var extension;
+
+ if ( p === RepeatWrapping ) return gl.REPEAT;
+ if ( p === ClampToEdgeWrapping ) return gl.CLAMP_TO_EDGE;
+ if ( p === MirroredRepeatWrapping ) return gl.MIRRORED_REPEAT;
+
+ if ( p === NearestFilter ) return gl.NEAREST;
+ if ( p === NearestMipMapNearestFilter ) return gl.NEAREST_MIPMAP_NEAREST;
+ if ( p === NearestMipMapLinearFilter ) return gl.NEAREST_MIPMAP_LINEAR;
+
+ if ( p === LinearFilter ) return gl.LINEAR;
+ if ( p === LinearMipMapNearestFilter ) return gl.LINEAR_MIPMAP_NEAREST;
+ if ( p === LinearMipMapLinearFilter ) return gl.LINEAR_MIPMAP_LINEAR;
+
+ if ( p === UnsignedByteType ) return gl.UNSIGNED_BYTE;
+ if ( p === UnsignedShort4444Type ) return gl.UNSIGNED_SHORT_4_4_4_4;
+ if ( p === UnsignedShort5551Type ) return gl.UNSIGNED_SHORT_5_5_5_1;
+ if ( p === UnsignedShort565Type ) return gl.UNSIGNED_SHORT_5_6_5;
+
+ if ( p === ByteType ) return gl.BYTE;
+ if ( p === ShortType ) return gl.SHORT;
+ if ( p === UnsignedShortType ) return gl.UNSIGNED_SHORT;
+ if ( p === IntType ) return gl.INT;
+ if ( p === UnsignedIntType ) return gl.UNSIGNED_INT;
+ if ( p === FloatType ) return gl.FLOAT;
+
+ if ( p === HalfFloatType ) {
+
+ extension = extensions.get( 'OES_texture_half_float' );
+
+ if ( extension !== null ) return extension.HALF_FLOAT_OES;
+
+ }
+
+ if ( p === AlphaFormat ) return gl.ALPHA;
+ if ( p === RGBFormat ) return gl.RGB;
+ if ( p === RGBAFormat ) return gl.RGBA;
+ if ( p === LuminanceFormat ) return gl.LUMINANCE;
+ if ( p === LuminanceAlphaFormat ) return gl.LUMINANCE_ALPHA;
+ if ( p === DepthFormat ) return gl.DEPTH_COMPONENT;
+ if ( p === DepthStencilFormat ) return gl.DEPTH_STENCIL;
+
+ if ( p === AddEquation ) return gl.FUNC_ADD;
+ if ( p === SubtractEquation ) return gl.FUNC_SUBTRACT;
+ if ( p === ReverseSubtractEquation ) return gl.FUNC_REVERSE_SUBTRACT;
+
+ if ( p === ZeroFactor ) return gl.ZERO;
+ if ( p === OneFactor ) return gl.ONE;
+ if ( p === SrcColorFactor ) return gl.SRC_COLOR;
+ if ( p === OneMinusSrcColorFactor ) return gl.ONE_MINUS_SRC_COLOR;
+ if ( p === SrcAlphaFactor ) return gl.SRC_ALPHA;
+ if ( p === OneMinusSrcAlphaFactor ) return gl.ONE_MINUS_SRC_ALPHA;
+ if ( p === DstAlphaFactor ) return gl.DST_ALPHA;
+ if ( p === OneMinusDstAlphaFactor ) return gl.ONE_MINUS_DST_ALPHA;
+
+ if ( p === DstColorFactor ) return gl.DST_COLOR;
+ if ( p === OneMinusDstColorFactor ) return gl.ONE_MINUS_DST_COLOR;
+ if ( p === SrcAlphaSaturateFactor ) return gl.SRC_ALPHA_SATURATE;
+
+ if ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format ||
+ p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {
+
+ extension = extensions.get( 'WEBGL_compressed_texture_s3tc' );
+
+ if ( extension !== null ) {
+
+ if ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;
+ if ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;
+ if ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;
+ if ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;
+
+ }
+
+ }
+
+ if ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format ||
+ p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {
+
+ extension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );
+
+ if ( extension !== null ) {
+
+ if ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;
+ if ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;
+ if ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;
+ if ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;
+
+ }
+
+ }
+
+ if ( p === RGB_ETC1_Format ) {
+
+ extension = extensions.get( 'WEBGL_compressed_texture_etc1' );
+
+ if ( extension !== null ) return extension.COMPRESSED_RGB_ETC1_WEBGL;
+
+ }
+
+ if ( p === MinEquation || p === MaxEquation ) {
+
+ extension = extensions.get( 'EXT_blend_minmax' );
+
+ if ( extension !== null ) {
+
+ if ( p === MinEquation ) return extension.MIN_EXT;
+ if ( p === MaxEquation ) return extension.MAX_EXT;
+
+ }
+
+ }
+
+ if ( p === UnsignedInt248Type ) {
+
+ extension = extensions.get( 'WEBGL_depth_texture' );
+
+ if ( extension !== null ) return extension.UNSIGNED_INT_24_8_WEBGL;
+
+ }
+
+ return 0;
+
+ }
+
+ return { convert: convert };
+
+ }
+
+ /**
+ * @author supereggbert / http://www.paulbrunt.co.uk/
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ * @author szimek / https://github.com/szimek/
+ * @author tschw
+ */
+
+ function WebGLRenderer( parameters ) {
+
+ console.log( 'THREE.WebGLRenderer', REVISION );
+
+ parameters = parameters || {};
+
+ var _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ),
+ _context = parameters.context !== undefined ? parameters.context : null,
+
+ _alpha = parameters.alpha !== undefined ? parameters.alpha : false,
+ _depth = parameters.depth !== undefined ? parameters.depth : true,
+ _stencil = parameters.stencil !== undefined ? parameters.stencil : true,
+ _antialias = parameters.antialias !== undefined ? parameters.antialias : false,
+ _premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,
+ _preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false,
+ _powerPreference = parameters.powerPreference !== undefined ? parameters.powerPreference : 'default';
+
+ var lightsArray = [];
+ var shadowsArray = [];
+
+ var currentRenderList = null;
+
+ var spritesArray = [];
+ var flaresArray = [];
+
+ // public properties
+
+ this.domElement = _canvas;
+ this.context = null;
+
+ // clearing
+
+ this.autoClear = true;
+ this.autoClearColor = true;
+ this.autoClearDepth = true;
+ this.autoClearStencil = true;
+
+ // scene graph
+
+ this.sortObjects = true;
+
+ // user-defined clipping
+
+ this.clippingPlanes = [];
+ this.localClippingEnabled = false;
+
+ // physically based shading
+
+ this.gammaFactor = 2.0; // for backwards compatibility
+ this.gammaInput = false;
+ this.gammaOutput = false;
+
+ // physical lights
+
+ this.physicallyCorrectLights = false;
+
+ // tone mapping
+
+ this.toneMapping = LinearToneMapping;
+ this.toneMappingExposure = 1.0;
+ this.toneMappingWhitePoint = 1.0;
+
+ // morphs
+
+ this.maxMorphTargets = 8;
+ this.maxMorphNormals = 4;
+
+ // internal properties
+
+ var _this = this,
+
+ _isContextLost = false,
+
+ // internal state cache
+
+ _currentRenderTarget = null,
+ _currentFramebuffer = null,
+ _currentMaterialId = - 1,
+ _currentGeometryProgram = '',
+
+ _currentCamera = null,
+ _currentArrayCamera = null,
+
+ _currentViewport = new Vector4(),
+ _currentScissor = new Vector4(),
+ _currentScissorTest = null,
+
+ //
+
+ _usedTextureUnits = 0,
+
+ //
+
+ _width = _canvas.width,
+ _height = _canvas.height,
+
+ _pixelRatio = 1,
+
+ _viewport = new Vector4( 0, 0, _width, _height ),
+ _scissor = new Vector4( 0, 0, _width, _height ),
+ _scissorTest = false,
+
+ // frustum
+
+ _frustum = new Frustum(),
+
+ // clipping
+
+ _clipping = new WebGLClipping(),
+ _clippingEnabled = false,
+ _localClippingEnabled = false,
+
+ // camera matrices cache
+
+ _projScreenMatrix = new Matrix4(),
+
+ _vector3 = new Vector3(),
+
+ // info
+
+ _infoMemory = {
+ geometries: 0,
+ textures: 0
+ },
+
+ _infoRender = {
+
+ frame: 0,
+ calls: 0,
+ vertices: 0,
+ faces: 0,
+ points: 0
+
+ };
+
+ this.info = {
+
+ render: _infoRender,
+ memory: _infoMemory,
+ programs: null
+
+ };
+
+ function getTargetPixelRatio() {
+
+ return _currentRenderTarget === null ? _pixelRatio : 1;
+
+ }
+
+ // initialize
+
+ var _gl;
+
+ try {
+
+ var contextAttributes = {
+ alpha: _alpha,
+ depth: _depth,
+ stencil: _stencil,
+ antialias: _antialias,
+ premultipliedAlpha: _premultipliedAlpha,
+ preserveDrawingBuffer: _preserveDrawingBuffer,
+ powerPreference: _powerPreference
+ };
+
+ // event listeners must be registered before WebGL context is created, see #12753
+
+ _canvas.addEventListener( 'webglcontextlost', onContextLost, false );
+ _canvas.addEventListener( 'webglcontextrestored', onContextRestore, false );
+
+ _gl = _context || _canvas.getContext( 'webgl', contextAttributes ) || _canvas.getContext( 'experimental-webgl', contextAttributes );
+
+ if ( _gl === null ) {
+
+ if ( _canvas.getContext( 'webgl' ) !== null ) {
+
+ throw new Error( 'Error creating WebGL context with your selected attributes.' );
+
+ } else {
+
+ throw new Error( 'Error creating WebGL context.' );
+
+ }
+
+ }
+
+ // Some experimental-webgl implementations do not have getShaderPrecisionFormat
+
+ if ( _gl.getShaderPrecisionFormat === undefined ) {
+
+ _gl.getShaderPrecisionFormat = function () {
+
+ return { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 };
+
+ };
+
+ }
+
+ } catch ( error ) {
+
+ console.error( 'THREE.WebGLRenderer: ' + error.message );
+
+ }
+
+ var extensions, capabilities, state;
+ var properties, textures, attributes, geometries, objects, lights;
+ var programCache, renderLists;
+
+ var background, morphtargets, bufferRenderer, indexedBufferRenderer;
+ var flareRenderer, spriteRenderer;
+
+ var utils;
+
+ function initGLContext() {
+
+ extensions = new WebGLExtensions( _gl );
+ extensions.get( 'WEBGL_depth_texture' );
+ extensions.get( 'OES_texture_float' );
+ extensions.get( 'OES_texture_float_linear' );
+ extensions.get( 'OES_texture_half_float' );
+ extensions.get( 'OES_texture_half_float_linear' );
+ extensions.get( 'OES_standard_derivatives' );
+ extensions.get( 'OES_element_index_uint' );
+ extensions.get( 'ANGLE_instanced_arrays' );
+
+ utils = new WebGLUtils( _gl, extensions );
+
+ capabilities = new WebGLCapabilities( _gl, extensions, parameters );
+
+ state = new WebGLState( _gl, extensions, utils );
+ state.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) );
+ state.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) );
+
+ properties = new WebGLProperties();
+ textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, utils, _infoMemory );
+ attributes = new WebGLAttributes( _gl );
+ geometries = new WebGLGeometries( _gl, attributes, _infoMemory );
+ objects = new WebGLObjects( geometries, _infoRender );
+ morphtargets = new WebGLMorphtargets( _gl );
+ programCache = new WebGLPrograms( _this, extensions, capabilities );
+ lights = new WebGLLights();
+ renderLists = new WebGLRenderLists();
+
+ background = new WebGLBackground( _this, state, geometries, _premultipliedAlpha );
+
+ bufferRenderer = new WebGLBufferRenderer( _gl, extensions, _infoRender );
+ indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, _infoRender );
+
+ flareRenderer = new WebGLFlareRenderer( _this, _gl, state, textures, capabilities );
+ spriteRenderer = new WebGLSpriteRenderer( _this, _gl, state, textures, capabilities );
+
+ _this.info.programs = programCache.programs;
+
+ _this.context = _gl;
+ _this.capabilities = capabilities;
+ _this.extensions = extensions;
+ _this.properties = properties;
+ _this.renderLists = renderLists;
+ _this.state = state;
+
+ }
+
+ initGLContext();
+
+ // vr
+
+ var vr = new WebVRManager( _this );
+
+ this.vr = vr;
+
+ // shadow map
+
+ var shadowMap = new WebGLShadowMap( _this, objects, capabilities.maxTextureSize );
+
+ this.shadowMap = shadowMap;
+
+ // API
+
+ this.getContext = function () {
+
+ return _gl;
+
+ };
+
+ this.getContextAttributes = function () {
+
+ return _gl.getContextAttributes();
+
+ };
+
+ this.forceContextLoss = function () {
+
+ var extension = extensions.get( 'WEBGL_lose_context' );
+ if ( extension ) extension.loseContext();
+
+ };
+
+ this.forceContextRestore = function () {
+
+ var extension = extensions.get( 'WEBGL_lose_context' );
+ if ( extension ) extension.restoreContext();
+
+ };
+
+ this.getPixelRatio = function () {
+
+ return _pixelRatio;
+
+ };
+
+ this.setPixelRatio = function ( value ) {
+
+ if ( value === undefined ) return;
+
+ _pixelRatio = value;
+
+ this.setSize( _width, _height, false );
+
+ };
+
+ this.getSize = function () {
+
+ return {
+ width: _width,
+ height: _height
+ };
+
+ };
+
+ this.setSize = function ( width, height, updateStyle ) {
+
+ var device = vr.getDevice();
+
+ if ( device && device.isPresenting ) {
+
+ console.warn( 'THREE.WebGLRenderer: Can\'t change size while VR device is presenting.' );
+ return;
+
+ }
+
+ _width = width;
+ _height = height;
+
+ _canvas.width = width * _pixelRatio;
+ _canvas.height = height * _pixelRatio;
+
+ if ( updateStyle !== false ) {
+
+ _canvas.style.width = width + 'px';
+ _canvas.style.height = height + 'px';
+
+ }
+
+ this.setViewport( 0, 0, width, height );
+
+ };
+
+ this.getDrawingBufferSize = function () {
+
+ return {
+ width: _width * _pixelRatio,
+ height: _height * _pixelRatio
+ };
+
+ };
+
+ this.setDrawingBufferSize = function ( width, height, pixelRatio ) {
+
+ _width = width;
+ _height = height;
+
+ _pixelRatio = pixelRatio;
+
+ _canvas.width = width * pixelRatio;
+ _canvas.height = height * pixelRatio;
+
+ this.setViewport( 0, 0, width, height );
+
+ };
+
+ this.setViewport = function ( x, y, width, height ) {
+
+ _viewport.set( x, _height - y - height, width, height );
+ state.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) );
+
+ };
+
+ this.setScissor = function ( x, y, width, height ) {
+
+ _scissor.set( x, _height - y - height, width, height );
+ state.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) );
+
+ };
+
+ this.setScissorTest = function ( boolean ) {
+
+ state.setScissorTest( _scissorTest = boolean );
+
+ };
+
+ // Clearing
+
+ this.getClearColor = function () {
+
+ return background.getClearColor();
+
+ };
+
+ this.setClearColor = function () {
+
+ background.setClearColor.apply( background, arguments );
+
+ };
+
+ this.getClearAlpha = function () {
+
+ return background.getClearAlpha();
+
+ };
+
+ this.setClearAlpha = function () {
+
+ background.setClearAlpha.apply( background, arguments );
+
+ };
+
+ this.clear = function ( color, depth, stencil ) {
+
+ var bits = 0;
+
+ if ( color === undefined || color ) bits |= _gl.COLOR_BUFFER_BIT;
+ if ( depth === undefined || depth ) bits |= _gl.DEPTH_BUFFER_BIT;
+ if ( stencil === undefined || stencil ) bits |= _gl.STENCIL_BUFFER_BIT;
+
+ _gl.clear( bits );
+
+ };
+
+ this.clearColor = function () {
+
+ this.clear( true, false, false );
+
+ };
+
+ this.clearDepth = function () {
+
+ this.clear( false, true, false );
+
+ };
+
+ this.clearStencil = function () {
+
+ this.clear( false, false, true );
+
+ };
+
+ this.clearTarget = function ( renderTarget, color, depth, stencil ) {
+
+ this.setRenderTarget( renderTarget );
+ this.clear( color, depth, stencil );
+
+ };
+
+ //
+
+ this.dispose = function () {
+
+ _canvas.removeEventListener( 'webglcontextlost', onContextLost, false );
+ _canvas.removeEventListener( 'webglcontextrestored', onContextRestore, false );
+
+ renderLists.dispose();
+
+ vr.dispose();
+
+ };
+
+ // Events
+
+ function onContextLost( event ) {
+
+ event.preventDefault();
+
+ console.log( 'THREE.WebGLRenderer: Context Lost.' );
+
+ _isContextLost = true;
+
+ }
+
+ function onContextRestore( /* event */ ) {
+
+ console.log( 'THREE.WebGLRenderer: Context Restored.' );
+
+ _isContextLost = false;
+
+ initGLContext();
+
+ }
+
+ function onMaterialDispose( event ) {
+
+ var material = event.target;
+
+ material.removeEventListener( 'dispose', onMaterialDispose );
+
+ deallocateMaterial( material );
+
+ }
+
+ // Buffer deallocation
+
+ function deallocateMaterial( material ) {
+
+ releaseMaterialProgramReference( material );
+
+ properties.remove( material );
+
+ }
+
+
+ function releaseMaterialProgramReference( material ) {
+
+ var programInfo = properties.get( material ).program;
+
+ material.program = undefined;
+
+ if ( programInfo !== undefined ) {
+
+ programCache.releaseProgram( programInfo );
+
+ }
+
+ }
+
+ // Buffer rendering
+
+ function renderObjectImmediate( object, program, material ) {
+
+ object.render( function ( object ) {
+
+ _this.renderBufferImmediate( object, program, material );
+
+ } );
+
+ }
+
+ this.renderBufferImmediate = function ( object, program, material ) {
+
+ state.initAttributes();
+
+ var buffers = properties.get( object );
+
+ if ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer();
+ if ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer();
+ if ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer();
+ if ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer();
+
+ var programAttributes = program.getAttributes();
+
+ if ( object.hasPositions ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.position );
+ _gl.bufferData( _gl.ARRAY_BUFFER, object.positionArray, _gl.DYNAMIC_DRAW );
+
+ state.enableAttribute( programAttributes.position );
+ _gl.vertexAttribPointer( programAttributes.position, 3, _gl.FLOAT, false, 0, 0 );
+
+ }
+
+ if ( object.hasNormals ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.normal );
+
+ if ( ! material.isMeshPhongMaterial &&
+ ! material.isMeshStandardMaterial &&
+ ! material.isMeshNormalMaterial &&
+ material.flatShading === true ) {
+
+ for ( var i = 0, l = object.count * 3; i < l; i += 9 ) {
+
+ var array = object.normalArray;
+
+ var nx = ( array[ i + 0 ] + array[ i + 3 ] + array[ i + 6 ] ) / 3;
+ var ny = ( array[ i + 1 ] + array[ i + 4 ] + array[ i + 7 ] ) / 3;
+ var nz = ( array[ i + 2 ] + array[ i + 5 ] + array[ i + 8 ] ) / 3;
+
+ array[ i + 0 ] = nx;
+ array[ i + 1 ] = ny;
+ array[ i + 2 ] = nz;
+
+ array[ i + 3 ] = nx;
+ array[ i + 4 ] = ny;
+ array[ i + 5 ] = nz;
+
+ array[ i + 6 ] = nx;
+ array[ i + 7 ] = ny;
+ array[ i + 8 ] = nz;
+
+ }
+
+ }
+
+ _gl.bufferData( _gl.ARRAY_BUFFER, object.normalArray, _gl.DYNAMIC_DRAW );
+
+ state.enableAttribute( programAttributes.normal );
+
+ _gl.vertexAttribPointer( programAttributes.normal, 3, _gl.FLOAT, false, 0, 0 );
+
+ }
+
+ if ( object.hasUvs && material.map ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.uv );
+ _gl.bufferData( _gl.ARRAY_BUFFER, object.uvArray, _gl.DYNAMIC_DRAW );
+
+ state.enableAttribute( programAttributes.uv );
+
+ _gl.vertexAttribPointer( programAttributes.uv, 2, _gl.FLOAT, false, 0, 0 );
+
+ }
+
+ if ( object.hasColors && material.vertexColors !== NoColors ) {
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.color );
+ _gl.bufferData( _gl.ARRAY_BUFFER, object.colorArray, _gl.DYNAMIC_DRAW );
+
+ state.enableAttribute( programAttributes.color );
+
+ _gl.vertexAttribPointer( programAttributes.color, 3, _gl.FLOAT, false, 0, 0 );
+
+ }
+
+ state.disableUnusedAttributes();
+
+ _gl.drawArrays( _gl.TRIANGLES, 0, object.count );
+
+ object.count = 0;
+
+ };
+
+ this.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) {
+
+ var frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 );
+
+ state.setMaterial( material, frontFaceCW );
+
+ var program = setProgram( camera, fog, material, object );
+ var geometryProgram = geometry.id + '_' + program.id + '_' + ( material.wireframe === true );
+
+ var updateBuffers = false;
+
+ if ( geometryProgram !== _currentGeometryProgram ) {
+
+ _currentGeometryProgram = geometryProgram;
+ updateBuffers = true;
+
+ }
+
+ if ( object.morphTargetInfluences ) {
+
+ morphtargets.update( object, geometry, material, program );
+
+ updateBuffers = true;
+
+ }
+
+ //
+
+ var index = geometry.index;
+ var position = geometry.attributes.position;
+ var rangeFactor = 1;
+
+ if ( material.wireframe === true ) {
+
+ index = geometries.getWireframeAttribute( geometry );
+ rangeFactor = 2;
+
+ }
+
+ var attribute;
+ var renderer = bufferRenderer;
+
+ if ( index !== null ) {
+
+ attribute = attributes.get( index );
+
+ renderer = indexedBufferRenderer;
+ renderer.setIndex( attribute );
+
+ }
+
+ if ( updateBuffers ) {
+
+ setupVertexAttributes( material, program, geometry );
+
+ if ( index !== null ) {
+
+ _gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, attribute.buffer );
+
+ }
+
+ }
+
+ //
+
+ var dataCount = 0;
+
+ if ( index !== null ) {
+
+ dataCount = index.count;
+
+ } else if ( position !== undefined ) {
+
+ dataCount = position.count;
+
+ }
+
+ var rangeStart = geometry.drawRange.start * rangeFactor;
+ var rangeCount = geometry.drawRange.count * rangeFactor;
+
+ var groupStart = group !== null ? group.start * rangeFactor : 0;
+ var groupCount = group !== null ? group.count * rangeFactor : Infinity;
+
+ var drawStart = Math.max( rangeStart, groupStart );
+ var drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1;
+
+ var drawCount = Math.max( 0, drawEnd - drawStart + 1 );
+
+ if ( drawCount === 0 ) return;
+
+ //
+
+ if ( object.isMesh ) {
+
+ if ( material.wireframe === true ) {
+
+ state.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );
+ renderer.setMode( _gl.LINES );
+
+ } else {
+
+ switch ( object.drawMode ) {
+
+ case TrianglesDrawMode:
+ renderer.setMode( _gl.TRIANGLES );
+ break;
+
+ case TriangleStripDrawMode:
+ renderer.setMode( _gl.TRIANGLE_STRIP );
+ break;
+
+ case TriangleFanDrawMode:
+ renderer.setMode( _gl.TRIANGLE_FAN );
+ break;
+
+ }
+
+ }
+
+
+ } else if ( object.isLine ) {
+
+ var lineWidth = material.linewidth;
+
+ if ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material
+
+ state.setLineWidth( lineWidth * getTargetPixelRatio() );
+
+ if ( object.isLineSegments ) {
+
+ renderer.setMode( _gl.LINES );
+
+ } else if ( object.isLineLoop ) {
+
+ renderer.setMode( _gl.LINE_LOOP );
+
+ } else {
+
+ renderer.setMode( _gl.LINE_STRIP );
+
+ }
+
+ } else if ( object.isPoints ) {
+
+ renderer.setMode( _gl.POINTS );
+
+ }
+
+ if ( geometry && geometry.isInstancedBufferGeometry ) {
+
+ if ( geometry.maxInstancedCount > 0 ) {
+
+ renderer.renderInstances( geometry, drawStart, drawCount );
+
+ }
+
+ } else {
+
+ renderer.render( drawStart, drawCount );
+
+ }
+
+ };
+
+ function setupVertexAttributes( material, program, geometry, startIndex ) {
+
+ if ( geometry && geometry.isInstancedBufferGeometry ) {
+
+ if ( extensions.get( 'ANGLE_instanced_arrays' ) === null ) {
+
+ console.error( 'THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );
+ return;
+
+ }
+
+ }
+
+ if ( startIndex === undefined ) startIndex = 0;
+
+ state.initAttributes();
+
+ var geometryAttributes = geometry.attributes;
+
+ var programAttributes = program.getAttributes();
+
+ var materialDefaultAttributeValues = material.defaultAttributeValues;
+
+ for ( var name in programAttributes ) {
+
+ var programAttribute = programAttributes[ name ];
+
+ if ( programAttribute >= 0 ) {
+
+ var geometryAttribute = geometryAttributes[ name ];
+
+ if ( geometryAttribute !== undefined ) {
+
+ var normalized = geometryAttribute.normalized;
+ var size = geometryAttribute.itemSize;
+
+ var attribute = attributes.get( geometryAttribute );
+
+ // TODO Attribute may not be available on context restore
+
+ if ( attribute === undefined ) continue;
+
+ var buffer = attribute.buffer;
+ var type = attribute.type;
+ var bytesPerElement = attribute.bytesPerElement;
+
+ if ( geometryAttribute.isInterleavedBufferAttribute ) {
+
+ var data = geometryAttribute.data;
+ var stride = data.stride;
+ var offset = geometryAttribute.offset;
+
+ if ( data && data.isInstancedInterleavedBuffer ) {
+
+ state.enableAttributeAndDivisor( programAttribute, data.meshPerAttribute );
+
+ if ( geometry.maxInstancedCount === undefined ) {
+
+ geometry.maxInstancedCount = data.meshPerAttribute * data.count;
+
+ }
+
+ } else {
+
+ state.enableAttribute( programAttribute );
+
+ }
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );
+ _gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * bytesPerElement, ( startIndex * stride + offset ) * bytesPerElement );
+
+ } else {
+
+ if ( geometryAttribute.isInstancedBufferAttribute ) {
+
+ state.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute );
+
+ if ( geometry.maxInstancedCount === undefined ) {
+
+ geometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;
+
+ }
+
+ } else {
+
+ state.enableAttribute( programAttribute );
+
+ }
+
+ _gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );
+ _gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, startIndex * size * bytesPerElement );
+
+ }
+
+ } else if ( materialDefaultAttributeValues !== undefined ) {
+
+ var value = materialDefaultAttributeValues[ name ];
+
+ if ( value !== undefined ) {
+
+ switch ( value.length ) {
+
+ case 2:
+ _gl.vertexAttrib2fv( programAttribute, value );
+ break;
+
+ case 3:
+ _gl.vertexAttrib3fv( programAttribute, value );
+ break;
+
+ case 4:
+ _gl.vertexAttrib4fv( programAttribute, value );
+ break;
+
+ default:
+ _gl.vertexAttrib1fv( programAttribute, value );
+
+ }
+
+ }
+
+ }
+
+ }
+
+ }
+
+ state.disableUnusedAttributes();
+
+ }
+
+ // Compile
+
+ this.compile = function ( scene, camera ) {
+
+ lightsArray.length = 0;
+ shadowsArray.length = 0;
+
+ scene.traverse( function ( object ) {
+
+ if ( object.isLight ) {
+
+ lightsArray.push( object );
+
+ if ( object.castShadow ) {
+
+ shadowsArray.push( object );
+
+ }
+
+ }
+
+ } );
+
+ lights.setup( lightsArray, shadowsArray, camera );
+
+ scene.traverse( function ( object ) {
+
+ if ( object.material ) {
+
+ if ( Array.isArray( object.material ) ) {
+
+ for ( var i = 0; i < object.material.length; i ++ ) {
+
+ initMaterial( object.material[ i ], scene.fog, object );
+
+ }
+
+ } else {
+
+ initMaterial( object.material, scene.fog, object );
+
+ }
+
+ }
+
+ } );
+
+ };
+
+ // Animation Loop
+
+ var isAnimating = false;
+ var onAnimationFrame = null;
+
+ function start() {
+
+ if ( isAnimating ) return;
+
+ var device = vr.getDevice();
+
+ if ( device && device.isPresenting ) {
+
+ device.requestAnimationFrame( loop );
+
+ } else {
+
+ window.requestAnimationFrame( loop );
+
+ }
+
+ isAnimating = true;
+
+ }
+
+ function loop( time ) {
+
+ if ( onAnimationFrame !== null ) onAnimationFrame( time );
+
+ var device = vr.getDevice();
+
+ if ( device && device.isPresenting ) {
+
+ device.requestAnimationFrame( loop );
+
+ } else {
+
+ window.requestAnimationFrame( loop );
+
+ }
+
+ }
+
+ this.animate = function ( callback ) {
+
+ onAnimationFrame = callback;
+ start();
+
+ };
+
+ // Rendering
+
+ this.render = function ( scene, camera, renderTarget, forceClear ) {
+
+ if ( ! ( camera && camera.isCamera ) ) {
+
+ console.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );
+ return;
+
+ }
+
+ if ( _isContextLost ) return;
+
+ // reset caching for this frame
+
+ _currentGeometryProgram = '';
+ _currentMaterialId = - 1;
+ _currentCamera = null;
+
+ // update scene graph
+
+ if ( scene.autoUpdate === true ) scene.updateMatrixWorld();
+
+ // update camera matrices and frustum
+
+ if ( camera.parent === null ) camera.updateMatrixWorld();
+
+ if ( vr.enabled ) {
+
+ camera = vr.getCamera( camera );
+
+ }
+
+ _projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );
+ _frustum.setFromMatrix( _projScreenMatrix );
+
+ lightsArray.length = 0;
+ shadowsArray.length = 0;
+
+ spritesArray.length = 0;
+ flaresArray.length = 0;
+
+ _localClippingEnabled = this.localClippingEnabled;
+ _clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera );
+
+ currentRenderList = renderLists.get( scene, camera );
+ currentRenderList.init();
+
+ projectObject( scene, camera, _this.sortObjects );
+
+ if ( _this.sortObjects === true ) {
+
+ currentRenderList.sort();
+
+ }
+
+ //
+
+ textures.updateVideoTextures();
+
+ //
+
+ if ( _clippingEnabled ) _clipping.beginShadows();
+
+ shadowMap.render( shadowsArray, scene, camera );
+
+ lights.setup( lightsArray, shadowsArray, camera );
+
+ if ( _clippingEnabled ) _clipping.endShadows();
+
+ //
+
+ _infoRender.frame ++;
+ _infoRender.calls = 0;
+ _infoRender.vertices = 0;
+ _infoRender.faces = 0;
+ _infoRender.points = 0;
+
+ if ( renderTarget === undefined ) {
+
+ renderTarget = null;
+
+ }
+
+ this.setRenderTarget( renderTarget );
+
+ //
+
+ background.render( currentRenderList, scene, camera, forceClear );
+
+ // render scene
+
+ var opaqueObjects = currentRenderList.opaque;
+ var transparentObjects = currentRenderList.transparent;
+
+ if ( scene.overrideMaterial ) {
+
+ var overrideMaterial = scene.overrideMaterial;
+
+ if ( opaqueObjects.length ) renderObjects( opaqueObjects, scene, camera, overrideMaterial );
+ if ( transparentObjects.length ) renderObjects( transparentObjects, scene, camera, overrideMaterial );
+
+ } else {
+
+ // opaque pass (front-to-back order)
+
+ if ( opaqueObjects.length ) renderObjects( opaqueObjects, scene, camera );
+
+ // transparent pass (back-to-front order)
+
+ if ( transparentObjects.length ) renderObjects( transparentObjects, scene, camera );
+
+ }
+
+ // custom renderers
+
+ spriteRenderer.render( spritesArray, scene, camera );
+ flareRenderer.render( flaresArray, scene, camera, _currentViewport );
+
+ // Generate mipmap if we're using any kind of mipmap filtering
+
+ if ( renderTarget ) {
+
+ textures.updateRenderTargetMipmap( renderTarget );
+
+ }
+
+ // Ensure depth buffer writing is enabled so it can be cleared on next render
+
+ state.buffers.depth.setTest( true );
+ state.buffers.depth.setMask( true );
+ state.buffers.color.setMask( true );
+
+ state.setPolygonOffset( false );
+
+ if ( vr.enabled ) {
+
+ vr.submitFrame();
+
+ }
+
+ // _gl.finish();
+
+ };
+
+ /*
+ // TODO Duplicated code (Frustum)
+
+ var _sphere = new Sphere();
+
+ function isObjectViewable( object ) {
+
+ var geometry = object.geometry;
+
+ if ( geometry.boundingSphere === null )
+ geometry.computeBoundingSphere();
+
+ _sphere.copy( geometry.boundingSphere ).
+ applyMatrix4( object.matrixWorld );
+
+ return isSphereViewable( _sphere );
+
+ }
+
+ function isSpriteViewable( sprite ) {
+
+ _sphere.center.set( 0, 0, 0 );
+ _sphere.radius = 0.7071067811865476;
+ _sphere.applyMatrix4( sprite.matrixWorld );
+
+ return isSphereViewable( _sphere );
+
+ }
+
+ function isSphereViewable( sphere ) {
+
+ if ( ! _frustum.intersectsSphere( sphere ) ) return false;
+
+ var numPlanes = _clipping.numPlanes;
+
+ if ( numPlanes === 0 ) return true;
+
+ var planes = _this.clippingPlanes,
+
+ center = sphere.center,
+ negRad = - sphere.radius,
+ i = 0;
+
+ do {
+
+ // out when deeper than radius in the negative halfspace
+ if ( planes[ i ].distanceToPoint( center ) < negRad ) return false;
+
+ } while ( ++ i !== numPlanes );
+
+ return true;
+
+ }
+ */
+
+ function projectObject( object, camera, sortObjects ) {
+
+ if ( object.visible === false ) return;
+
+ var visible = object.layers.test( camera.layers );
+
+ if ( visible ) {
+
+ if ( object.isLight ) {
+
+ lightsArray.push( object );
+
+ if ( object.castShadow ) {
+
+ shadowsArray.push( object );
+
+ }
+
+ } else if ( object.isSprite ) {
+
+ if ( ! object.frustumCulled || _frustum.intersectsSprite( object ) ) {
+
+ spritesArray.push( object );
+
+ }
+
+ } else if ( object.isLensFlare ) {
+
+ flaresArray.push( object );
+
+ } else if ( object.isImmediateRenderObject ) {
+
+ if ( sortObjects ) {
+
+ _vector3.setFromMatrixPosition( object.matrixWorld )
+ .applyMatrix4( _projScreenMatrix );
+
+ }
+
+ currentRenderList.push( object, null, object.material, _vector3.z, null );
+
+ } else if ( object.isMesh || object.isLine || object.isPoints ) {
+
+ if ( object.isSkinnedMesh ) {
+
+ object.skeleton.update();
+
+ }
+
+ if ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) {
+
+ if ( sortObjects ) {
+
+ _vector3.setFromMatrixPosition( object.matrixWorld )
+ .applyMatrix4( _projScreenMatrix );
+
+ }
+
+ var geometry = objects.update( object );
+ var material = object.material;
+
+ if ( Array.isArray( material ) ) {
+
+ var groups = geometry.groups;
+
+ for ( var i = 0, l = groups.length; i < l; i ++ ) {
+
+ var group = groups[ i ];
+ var groupMaterial = material[ group.materialIndex ];
+
+ if ( groupMaterial && groupMaterial.visible ) {
+
+ currentRenderList.push( object, geometry, groupMaterial, _vector3.z, group );
+
+ }
+
+ }
+
+ } else if ( material.visible ) {
+
+ currentRenderList.push( object, geometry, material, _vector3.z, null );
+
+ }
+
+ }
+
+ }
+
+ }
+
+ var children = object.children;
+
+ for ( var i = 0, l = children.length; i < l; i ++ ) {
+
+ projectObject( children[ i ], camera, sortObjects );
+
+ }
+
+ }
+
+ function renderObjects( renderList, scene, camera, overrideMaterial ) {
+
+ for ( var i = 0, l = renderList.length; i < l; i ++ ) {
+
+ var renderItem = renderList[ i ];
+
+ var object = renderItem.object;
+ var geometry = renderItem.geometry;
+ var material = overrideMaterial === undefined ? renderItem.material : overrideMaterial;
+ var group = renderItem.group;
+
+ if ( camera.isArrayCamera ) {
+
+ _currentArrayCamera = camera;
+
+ var cameras = camera.cameras;
+
+ for ( var j = 0, jl = cameras.length; j < jl; j ++ ) {
+
+ var camera2 = cameras[ j ];
+
+ if ( object.layers.test( camera2.layers ) ) {
+
+ var bounds = camera2.bounds;
+
+ var x = bounds.x * _width;
+ var y = bounds.y * _height;
+ var width = bounds.z * _width;
+ var height = bounds.w * _height;
+
+ state.viewport( _currentViewport.set( x, y, width, height ).multiplyScalar( _pixelRatio ) );
+
+ renderObject( object, scene, camera2, geometry, material, group );
+
+ }
+
+ }
+
+ } else {
+
+ _currentArrayCamera = null;
+
+ renderObject( object, scene, camera, geometry, material, group );
+
+ }
+
+ }
+
+ }
+
+ function renderObject( object, scene, camera, geometry, material, group ) {
+
+ object.onBeforeRender( _this, scene, camera, geometry, material, group );
+
+ object.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );
+ object.normalMatrix.getNormalMatrix( object.modelViewMatrix );
+
+ if ( object.isImmediateRenderObject ) {
+
+ var frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 );
+
+ state.setMaterial( material, frontFaceCW );
+
+ var program = setProgram( camera, scene.fog, material, object );
+
+ _currentGeometryProgram = '';
+
+ renderObjectImmediate( object, program, material );
+
+ } else {
+
+ _this.renderBufferDirect( camera, scene.fog, geometry, material, object, group );
+
+ }
+
+ object.onAfterRender( _this, scene, camera, geometry, material, group );
+
+ }
+
+ function initMaterial( material, fog, object ) {
+
+ var materialProperties = properties.get( material );
+
+ var parameters = programCache.getParameters(
+ material, lights.state, shadowsArray, fog, _clipping.numPlanes, _clipping.numIntersection, object );
+
+ var code = programCache.getProgramCode( material, parameters );
+
+ var program = materialProperties.program;
+ var programChange = true;
+
+ if ( program === undefined ) {
+
+ // new material
+ material.addEventListener( 'dispose', onMaterialDispose );
+
+ } else if ( program.code !== code ) {
+
+ // changed glsl or parameters
+ releaseMaterialProgramReference( material );
+
+ } else if ( parameters.shaderID !== undefined ) {
+
+ // same glsl and uniform list
+ return;
+
+ } else {
+
+ // only rebuild uniform list
+ programChange = false;
+
+ }
+
+ if ( programChange ) {
+
+ if ( parameters.shaderID ) {
+
+ var shader = ShaderLib[ parameters.shaderID ];
+
+ materialProperties.shader = {
+ name: material.type,
+ uniforms: UniformsUtils.clone( shader.uniforms ),
+ vertexShader: shader.vertexShader,
+ fragmentShader: shader.fragmentShader
+ };
+
+ } else {
+
+ materialProperties.shader = {
+ name: material.type,
+ uniforms: material.uniforms,
+ vertexShader: material.vertexShader,
+ fragmentShader: material.fragmentShader
+ };
+
+ }
+
+ material.onBeforeCompile( materialProperties.shader );
+
+ program = programCache.acquireProgram( material, materialProperties.shader, parameters, code );
+
+ materialProperties.program = program;
+ material.program = program;
+
+ }
+
+ var programAttributes = program.getAttributes();
+
+ if ( material.morphTargets ) {
+
+ material.numSupportedMorphTargets = 0;
+
+ for ( var i = 0; i < _this.maxMorphTargets; i ++ ) {
+
+ if ( programAttributes[ 'morphTarget' + i ] >= 0 ) {
+
+ material.numSupportedMorphTargets ++;
+
+ }
+
+ }
+
+ }
+
+ if ( material.morphNormals ) {
+
+ material.numSupportedMorphNormals = 0;
+
+ for ( var i = 0; i < _this.maxMorphNormals; i ++ ) {
+
+ if ( programAttributes[ 'morphNormal' + i ] >= 0 ) {
+
+ material.numSupportedMorphNormals ++;
+
+ }
+
+ }
+
+ }
+
+ var uniforms = materialProperties.shader.uniforms;
+
+ if ( ! material.isShaderMaterial &&
+ ! material.isRawShaderMaterial ||
+ material.clipping === true ) {
+
+ materialProperties.numClippingPlanes = _clipping.numPlanes;
+ materialProperties.numIntersection = _clipping.numIntersection;
+ uniforms.clippingPlanes = _clipping.uniform;
+
+ }
+
+ materialProperties.fog = fog;
+
+ // store the light setup it was created for
+
+ materialProperties.lightsHash = lights.state.hash;
+
+ if ( material.lights ) {
+
+ // wire up the material to this renderer's lighting state
+
+ uniforms.ambientLightColor.value = lights.state.ambient;
+ uniforms.directionalLights.value = lights.state.directional;
+ uniforms.spotLights.value = lights.state.spot;
+ uniforms.rectAreaLights.value = lights.state.rectArea;
+ uniforms.pointLights.value = lights.state.point;
+ uniforms.hemisphereLights.value = lights.state.hemi;
+
+ uniforms.directionalShadowMap.value = lights.state.directionalShadowMap;
+ uniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix;
+ uniforms.spotShadowMap.value = lights.state.spotShadowMap;
+ uniforms.spotShadowMatrix.value = lights.state.spotShadowMatrix;
+ uniforms.pointShadowMap.value = lights.state.pointShadowMap;
+ uniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix;
+ // TODO (abelnation): add area lights shadow info to uniforms
+
+ }
+
+ var progUniforms = materialProperties.program.getUniforms(),
+ uniformsList =
+ WebGLUniforms.seqWithValue( progUniforms.seq, uniforms );
+
+ materialProperties.uniformsList = uniformsList;
+
+ }
+
+ function setProgram( camera, fog, material, object ) {
+
+ _usedTextureUnits = 0;
+
+ var materialProperties = properties.get( material );
+
+ if ( _clippingEnabled ) {
+
+ if ( _localClippingEnabled || camera !== _currentCamera ) {
+
+ var useCache =
+ camera === _currentCamera &&
+ material.id === _currentMaterialId;
+
+ // we might want to call this function with some ClippingGroup
+ // object instead of the material, once it becomes feasible
+ // (#8465, #8379)
+ _clipping.setState(
+ material.clippingPlanes, material.clipIntersection, material.clipShadows,
+ camera, materialProperties, useCache );
+
+ }
+
+ }
+
+ if ( material.needsUpdate === false ) {
+
+ if ( materialProperties.program === undefined ) {
+
+ material.needsUpdate = true;
+
+ } else if ( material.fog && materialProperties.fog !== fog ) {
+
+ material.needsUpdate = true;
+
+ } else if ( material.lights && materialProperties.lightsHash !== lights.state.hash ) {
+
+ material.needsUpdate = true;
+
+ } else if ( materialProperties.numClippingPlanes !== undefined &&
+ ( materialProperties.numClippingPlanes !== _clipping.numPlanes ||
+ materialProperties.numIntersection !== _clipping.numIntersection ) ) {
+
+ material.needsUpdate = true;
+
+ }
+
+ }
+
+ if ( material.needsUpdate ) {
+
+ initMaterial( material, fog, object );
+ material.needsUpdate = false;
+
+ }
+
+ var refreshProgram = false;
+ var refreshMaterial = false;
+ var refreshLights = false;
+
+ var program = materialProperties.program,
+ p_uniforms = program.getUniforms(),
+ m_uniforms = materialProperties.shader.uniforms;
+
+ if ( state.useProgram( program.program ) ) {
+
+ refreshProgram = true;
+ refreshMaterial = true;
+ refreshLights = true;
+
+ }
+
+ if ( material.id !== _currentMaterialId ) {
+
+ _currentMaterialId = material.id;
+
+ refreshMaterial = true;
+
+ }
+
+ if ( refreshProgram || camera !== _currentCamera ) {
+
+ p_uniforms.setValue( _gl, 'projectionMatrix', camera.projectionMatrix );
+
+ if ( capabilities.logarithmicDepthBuffer ) {
+
+ p_uniforms.setValue( _gl, 'logDepthBufFC',
+ 2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );
+
+ }
+
+ // Avoid unneeded uniform updates per ArrayCamera's sub-camera
+
+ if ( _currentCamera !== ( _currentArrayCamera || camera ) ) {
+
+ _currentCamera = ( _currentArrayCamera || camera );
+
+ // lighting uniforms depend on the camera so enforce an update
+ // now, in case this material supports lights - or later, when
+ // the next material that does gets activated:
+
+ refreshMaterial = true; // set to true on material change
+ refreshLights = true; // remains set until update done
+
+ }
+
+ // load material specific uniforms
+ // (shader material also gets them for the sake of genericity)
+
+ if ( material.isShaderMaterial ||
+ material.isMeshPhongMaterial ||
+ material.isMeshStandardMaterial ||
+ material.envMap ) {
+
+ var uCamPos = p_uniforms.map.cameraPosition;
+
+ if ( uCamPos !== undefined ) {
+
+ uCamPos.setValue( _gl,
+ _vector3.setFromMatrixPosition( camera.matrixWorld ) );
+
+ }
+
+ }
+
+ if ( material.isMeshPhongMaterial ||
+ material.isMeshLambertMaterial ||
+ material.isMeshBasicMaterial ||
+ material.isMeshStandardMaterial ||
+ material.isShaderMaterial ||
+ material.skinning ) {
+
+ p_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );
+
+ }
+
+ }
+
+ // skinning uniforms must be set even if material didn't change
+ // auto-setting of texture unit for bone texture must go before other textures
+ // not sure why, but otherwise weird things happen
+
+ if ( material.skinning ) {
+
+ p_uniforms.setOptional( _gl, object, 'bindMatrix' );
+ p_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );
+
+ var skeleton = object.skeleton;
+
+ if ( skeleton ) {
+
+ var bones = skeleton.bones;
+
+ if ( capabilities.floatVertexTextures ) {
+
+ if ( skeleton.boneTexture === undefined ) {
+
+ // layout (1 matrix = 4 pixels)
+ // RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)
+ // with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)
+ // 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)
+ // 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)
+ // 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)
+
+
+ var size = Math.sqrt( bones.length * 4 ); // 4 pixels needed for 1 matrix
+ size = _Math.ceilPowerOfTwo( size );
+ size = Math.max( size, 4 );
+
+ var boneMatrices = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel
+ boneMatrices.set( skeleton.boneMatrices ); // copy current values
+
+ var boneTexture = new DataTexture( boneMatrices, size, size, RGBAFormat, FloatType );
+
+ skeleton.boneMatrices = boneMatrices;
+ skeleton.boneTexture = boneTexture;
+ skeleton.boneTextureSize = size;
+
+ }
+
+ p_uniforms.setValue( _gl, 'boneTexture', skeleton.boneTexture );
+ p_uniforms.setValue( _gl, 'boneTextureSize', skeleton.boneTextureSize );
+
+ } else {
+
+ p_uniforms.setOptional( _gl, skeleton, 'boneMatrices' );
+
+ }
+
+ }
+
+ }
+
+ if ( refreshMaterial ) {
+
+ p_uniforms.setValue( _gl, 'toneMappingExposure', _this.toneMappingExposure );
+ p_uniforms.setValue( _gl, 'toneMappingWhitePoint', _this.toneMappingWhitePoint );
+
+ if ( material.lights ) {
+
+ // the current material requires lighting info
+
+ // note: all lighting uniforms are always set correctly
+ // they simply reference the renderer's state for their
+ // values
+ //
+ // use the current material's .needsUpdate flags to set
+ // the GL state when required
+
+ markUniformsLightsNeedsUpdate( m_uniforms, refreshLights );
+
+ }
+
+ // refresh uniforms common to several materials
+
+ if ( fog && material.fog ) {
+
+ refreshUniformsFog( m_uniforms, fog );
+
+ }
+
+ if ( material.isMeshBasicMaterial ) {
+
+ refreshUniformsCommon( m_uniforms, material );
+
+ } else if ( material.isMeshLambertMaterial ) {
+
+ refreshUniformsCommon( m_uniforms, material );
+ refreshUniformsLambert( m_uniforms, material );
+
+ } else if ( material.isMeshPhongMaterial ) {
+
+ refreshUniformsCommon( m_uniforms, material );
+
+ if ( material.isMeshToonMaterial ) {
+
+ refreshUniformsToon( m_uniforms, material );
+
+ } else {
+
+ refreshUniformsPhong( m_uniforms, material );
+
+ }
+
+ } else if ( material.isMeshStandardMaterial ) {
+
+ refreshUniformsCommon( m_uniforms, material );
+
+ if ( material.isMeshPhysicalMaterial ) {
+
+ refreshUniformsPhysical( m_uniforms, material );
+
+ } else {
+
+ refreshUniformsStandard( m_uniforms, material );
+
+ }
+
+ } else if ( material.isMeshDepthMaterial ) {
+
+ refreshUniformsCommon( m_uniforms, material );
+ refreshUniformsDepth( m_uniforms, material );
+
+ } else if ( material.isMeshDistanceMaterial ) {
+
+ refreshUniformsCommon( m_uniforms, material );
+ refreshUniformsDistance( m_uniforms, material );
+
+ } else if ( material.isMeshNormalMaterial ) {
+
+ refreshUniformsCommon( m_uniforms, material );
+ refreshUniformsNormal( m_uniforms, material );
+
+ } else if ( material.isLineBasicMaterial ) {
+
+ refreshUniformsLine( m_uniforms, material );
+
+ if ( material.isLineDashedMaterial ) {
+
+ refreshUniformsDash( m_uniforms, material );
+
+ }
+
+ } else if ( material.isPointsMaterial ) {
+
+ refreshUniformsPoints( m_uniforms, material );
+
+ } else if ( material.isShadowMaterial ) {
+
+ m_uniforms.color.value = material.color;
+ m_uniforms.opacity.value = material.opacity;
+
+ }
+
+ // RectAreaLight Texture
+ // TODO (mrdoob): Find a nicer implementation
+
+ if ( m_uniforms.ltcMat !== undefined ) m_uniforms.ltcMat.value = UniformsLib.LTC_MAT_TEXTURE;
+ if ( m_uniforms.ltcMag !== undefined ) m_uniforms.ltcMag.value = UniformsLib.LTC_MAG_TEXTURE;
+
+ WebGLUniforms.upload(
+ _gl, materialProperties.uniformsList, m_uniforms, _this );
+
+ }
+
+
+ // common matrices
+
+ p_uniforms.setValue( _gl, 'modelViewMatrix', object.modelViewMatrix );
+ p_uniforms.setValue( _gl, 'normalMatrix', object.normalMatrix );
+ p_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );
+
+ return program;
+
+ }
+
+ // Uniforms (refresh uniforms objects)
+
+ function refreshUniformsCommon( uniforms, material ) {
+
+ uniforms.opacity.value = material.opacity;
+
+ if ( material.color ) {
+
+ uniforms.diffuse.value = material.color;
+
+ }
+
+ if ( material.emissive ) {
+
+ uniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );
+
+ }
+
+ if ( material.map ) {
+
+ uniforms.map.value = material.map;
+
+ }
+
+ if ( material.alphaMap ) {
+
+ uniforms.alphaMap.value = material.alphaMap;
+
+ }
+
+ if ( material.specularMap ) {
+
+ uniforms.specularMap.value = material.specularMap;
+
+ }
+
+ if ( material.envMap ) {
+
+ uniforms.envMap.value = material.envMap;
+
+ // don't flip CubeTexture envMaps, flip everything else:
+ // WebGLRenderTargetCube will be flipped for backwards compatibility
+ // WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture
+ // this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future
+ uniforms.flipEnvMap.value = ( ! ( material.envMap && material.envMap.isCubeTexture ) ) ? 1 : - 1;
+
+ uniforms.reflectivity.value = material.reflectivity;
+ uniforms.refractionRatio.value = material.refractionRatio;
+
+ }
+
+ if ( material.lightMap ) {
+
+ uniforms.lightMap.value = material.lightMap;
+ uniforms.lightMapIntensity.value = material.lightMapIntensity;
+
+ }
+
+ if ( material.aoMap ) {
+
+ uniforms.aoMap.value = material.aoMap;
+ uniforms.aoMapIntensity.value = material.aoMapIntensity;
+
+ }
+
+ // uv repeat and offset setting priorities
+ // 1. color map
+ // 2. specular map
+ // 3. normal map
+ // 4. bump map
+ // 5. alpha map
+ // 6. emissive map
+
+ var uvScaleMap;
+
+ if ( material.map ) {
+
+ uvScaleMap = material.map;
+
+ } else if ( material.specularMap ) {
+
+ uvScaleMap = material.specularMap;
+
+ } else if ( material.displacementMap ) {
+
+ uvScaleMap = material.displacementMap;
+
+ } else if ( material.normalMap ) {
+
+ uvScaleMap = material.normalMap;
+
+ } else if ( material.bumpMap ) {
+
+ uvScaleMap = material.bumpMap;
+
+ } else if ( material.roughnessMap ) {
+
+ uvScaleMap = material.roughnessMap;
+
+ } else if ( material.metalnessMap ) {
+
+ uvScaleMap = material.metalnessMap;
+
+ } else if ( material.alphaMap ) {
+
+ uvScaleMap = material.alphaMap;
+
+ } else if ( material.emissiveMap ) {
+
+ uvScaleMap = material.emissiveMap;
+
+ }
+
+ if ( uvScaleMap !== undefined ) {
+
+ // backwards compatibility
+ if ( uvScaleMap.isWebGLRenderTarget ) {
+
+ uvScaleMap = uvScaleMap.texture;
+
+ }
+
+ if ( uvScaleMap.matrixAutoUpdate === true ) {
+
+ var offset = uvScaleMap.offset;
+ var repeat = uvScaleMap.repeat;
+ var rotation = uvScaleMap.rotation;
+ var center = uvScaleMap.center;
+
+ uvScaleMap.matrix.setUvTransform( offset.x, offset.y, repeat.x, repeat.y, rotation, center.x, center.y );
+
+ }
+
+ uniforms.uvTransform.value.copy( uvScaleMap.matrix );
+
+ }
+
+ }
+
+ function refreshUniformsLine( uniforms, material ) {
+
+ uniforms.diffuse.value = material.color;
+ uniforms.opacity.value = material.opacity;
+
+ }
+
+ function refreshUniformsDash( uniforms, material ) {
+
+ uniforms.dashSize.value = material.dashSize;
+ uniforms.totalSize.value = material.dashSize + material.gapSize;
+ uniforms.scale.value = material.scale;
+
+ }
+
+ function refreshUniformsPoints( uniforms, material ) {
+
+ uniforms.diffuse.value = material.color;
+ uniforms.opacity.value = material.opacity;
+ uniforms.size.value = material.size * _pixelRatio;
+ uniforms.scale.value = _height * 0.5;
+
+ uniforms.map.value = material.map;
+
+ if ( material.map !== null ) {
+
+ if ( material.map.matrixAutoUpdate === true ) {
+
+ var offset = material.map.offset;
+ var repeat = material.map.repeat;
+ var rotation = material.map.rotation;
+ var center = material.map.center;
+
+ material.map.matrix.setUvTransform( offset.x, offset.y, repeat.x, repeat.y, rotation, center.x, center.y );
+
+ }
+
+ uniforms.uvTransform.value.copy( material.map.matrix );
+
+ }
+
+ }
+
+ function refreshUniformsFog( uniforms, fog ) {
+
+ uniforms.fogColor.value = fog.color;
+
+ if ( fog.isFog ) {
+
+ uniforms.fogNear.value = fog.near;
+ uniforms.fogFar.value = fog.far;
+
+ } else if ( fog.isFogExp2 ) {
+
+ uniforms.fogDensity.value = fog.density;
+
+ }
+
+ }
+
+ function refreshUniformsLambert( uniforms, material ) {
+
+ if ( material.emissiveMap ) {
+
+ uniforms.emissiveMap.value = material.emissiveMap;
+
+ }
+
+ }
+
+ function refreshUniformsPhong( uniforms, material ) {
+
+ uniforms.specular.value = material.specular;
+ uniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )
+
+ if ( material.emissiveMap ) {
+
+ uniforms.emissiveMap.value = material.emissiveMap;
+
+ }
+
+ if ( material.bumpMap ) {
+
+ uniforms.bumpMap.value = material.bumpMap;
+ uniforms.bumpScale.value = material.bumpScale;
+
+ }
+
+ if ( material.normalMap ) {
+
+ uniforms.normalMap.value = material.normalMap;
+ uniforms.normalScale.value.copy( material.normalScale );
+
+ }
+
+ if ( material.displacementMap ) {
+
+ uniforms.displacementMap.value = material.displacementMap;
+ uniforms.displacementScale.value = material.displacementScale;
+ uniforms.displacementBias.value = material.displacementBias;
+
+ }
+
+ }
+
+ function refreshUniformsToon( uniforms, material ) {
+
+ refreshUniformsPhong( uniforms, material );
+
+ if ( material.gradientMap ) {
+
+ uniforms.gradientMap.value = material.gradientMap;
+
+ }
+
+ }
+
+ function refreshUniformsStandard( uniforms, material ) {
+
+ uniforms.roughness.value = material.roughness;
+ uniforms.metalness.value = material.metalness;
+
+ if ( material.roughnessMap ) {
+
+ uniforms.roughnessMap.value = material.roughnessMap;
+
+ }
+
+ if ( material.metalnessMap ) {
+
+ uniforms.metalnessMap.value = material.metalnessMap;
+
+ }
+
+ if ( material.emissiveMap ) {
+
+ uniforms.emissiveMap.value = material.emissiveMap;
+
+ }
+
+ if ( material.bumpMap ) {
+
+ uniforms.bumpMap.value = material.bumpMap;
+ uniforms.bumpScale.value = material.bumpScale;
+
+ }
+
+ if ( material.normalMap ) {
+
+ uniforms.normalMap.value = material.normalMap;
+ uniforms.normalScale.value.copy( material.normalScale );
+
+ }
+
+ if ( material.displacementMap ) {
+
+ uniforms.displacementMap.value = material.displacementMap;
+ uniforms.displacementScale.value = material.displacementScale;
+ uniforms.displacementBias.value = material.displacementBias;
+
+ }
+
+ if ( material.envMap ) {
+
+ //uniforms.envMap.value = material.envMap; // part of uniforms common
+ uniforms.envMapIntensity.value = material.envMapIntensity;
+
+ }
+
+ }
+
+ function refreshUniformsPhysical( uniforms, material ) {
+
+ uniforms.clearCoat.value = material.clearCoat;
+ uniforms.clearCoatRoughness.value = material.clearCoatRoughness;
+
+ refreshUniformsStandard( uniforms, material );
+
+ }
+
+ function refreshUniformsDepth( uniforms, material ) {
+
+ if ( material.displacementMap ) {
+
+ uniforms.displacementMap.value = material.displacementMap;
+ uniforms.displacementScale.value = material.displacementScale;
+ uniforms.displacementBias.value = material.displacementBias;
+
+ }
+
+ }
+
+ function refreshUniformsDistance( uniforms, material ) {
+
+ if ( material.displacementMap ) {
+
+ uniforms.displacementMap.value = material.displacementMap;
+ uniforms.displacementScale.value = material.displacementScale;
+ uniforms.displacementBias.value = material.displacementBias;
+
+ }
+
+ uniforms.referencePosition.value.copy( material.referencePosition );
+ uniforms.nearDistance.value = material.nearDistance;
+ uniforms.farDistance.value = material.farDistance;
+
+ }
+
+ function refreshUniformsNormal( uniforms, material ) {
+
+ if ( material.bumpMap ) {
+
+ uniforms.bumpMap.value = material.bumpMap;
+ uniforms.bumpScale.value = material.bumpScale;
+
+ }
+
+ if ( material.normalMap ) {
+
+ uniforms.normalMap.value = material.normalMap;
+ uniforms.normalScale.value.copy( material.normalScale );
+
+ }
+
+ if ( material.displacementMap ) {
+
+ uniforms.displacementMap.value = material.displacementMap;
+ uniforms.displacementScale.value = material.displacementScale;
+ uniforms.displacementBias.value = material.displacementBias;
+
+ }
+
+ }
+
+ // If uniforms are marked as clean, they don't need to be loaded to the GPU.
+
+ function markUniformsLightsNeedsUpdate( uniforms, value ) {
+
+ uniforms.ambientLightColor.needsUpdate = value;
+
+ uniforms.directionalLights.needsUpdate = value;
+ uniforms.pointLights.needsUpdate = value;
+ uniforms.spotLights.needsUpdate = value;
+ uniforms.rectAreaLights.needsUpdate = value;
+ uniforms.hemisphereLights.needsUpdate = value;
+
+ }
+
+ // GL state setting
+
+ this.setFaceCulling = function ( cullFace, frontFaceDirection ) {
+
+ state.setCullFace( cullFace );
+ state.setFlipSided( frontFaceDirection === FrontFaceDirectionCW );
+
+ };
+
+ // Textures
+
+ function allocTextureUnit() {
+
+ var textureUnit = _usedTextureUnits;
+
+ if ( textureUnit >= capabilities.maxTextures ) {
+
+ console.warn( 'THREE.WebGLRenderer: Trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures );
+
+ }
+
+ _usedTextureUnits += 1;
+
+ return textureUnit;
+
+ }
+
+ this.allocTextureUnit = allocTextureUnit;
+
+ // this.setTexture2D = setTexture2D;
+ this.setTexture2D = ( function () {
+
+ var warned = false;
+
+ // backwards compatibility: peel texture.texture
+ return function setTexture2D( texture, slot ) {
+
+ if ( texture && texture.isWebGLRenderTarget ) {
+
+ if ( ! warned ) {
+
+ console.warn( "THREE.WebGLRenderer.setTexture2D: don't use render targets as textures. Use their .texture property instead." );
+ warned = true;
+
+ }
+
+ texture = texture.texture;
+
+ }
+
+ textures.setTexture2D( texture, slot );
+
+ };
+
+ }() );
+
+ this.setTexture = ( function () {
+
+ var warned = false;
+
+ return function setTexture( texture, slot ) {
+
+ if ( ! warned ) {
+
+ console.warn( "THREE.WebGLRenderer: .setTexture is deprecated, use setTexture2D instead." );
+ warned = true;
+
+ }
+
+ textures.setTexture2D( texture, slot );
+
+ };
+
+ }() );
+
+ this.setTextureCube = ( function () {
+
+ var warned = false;
+
+ return function setTextureCube( texture, slot ) {
+
+ // backwards compatibility: peel texture.texture
+ if ( texture && texture.isWebGLRenderTargetCube ) {
+
+ if ( ! warned ) {
+
+ console.warn( "THREE.WebGLRenderer.setTextureCube: don't use cube render targets as textures. Use their .texture property instead." );
+ warned = true;
+
+ }
+
+ texture = texture.texture;
+
+ }
+
+ // currently relying on the fact that WebGLRenderTargetCube.texture is a Texture and NOT a CubeTexture
+ // TODO: unify these code paths
+ if ( ( texture && texture.isCubeTexture ) ||
+ ( Array.isArray( texture.image ) && texture.image.length === 6 ) ) {
+
+ // CompressedTexture can have Array in image :/
+
+ // this function alone should take care of cube textures
+ textures.setTextureCube( texture, slot );
+
+ } else {
+
+ // assumed: texture property of THREE.WebGLRenderTargetCube
+
+ textures.setTextureCubeDynamic( texture, slot );
+
+ }
+
+ };
+
+ }() );
+
+ this.getRenderTarget = function () {
+
+ return _currentRenderTarget;
+
+ };
+
+ this.setRenderTarget = function ( renderTarget ) {
+
+ _currentRenderTarget = renderTarget;
+
+ if ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) {
+
+ textures.setupRenderTarget( renderTarget );
+
+ }
+
+ var framebuffer = null;
+ var isCube = false;
+
+ if ( renderTarget ) {
+
+ var __webglFramebuffer = properties.get( renderTarget ).__webglFramebuffer;
+
+ if ( renderTarget.isWebGLRenderTargetCube ) {
+
+ framebuffer = __webglFramebuffer[ renderTarget.activeCubeFace ];
+ isCube = true;
+
+ } else {
+
+ framebuffer = __webglFramebuffer;
+
+ }
+
+ _currentViewport.copy( renderTarget.viewport );
+ _currentScissor.copy( renderTarget.scissor );
+ _currentScissorTest = renderTarget.scissorTest;
+
+ } else {
+
+ _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio );
+ _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio );
+ _currentScissorTest = _scissorTest;
+
+ }
+
+ if ( _currentFramebuffer !== framebuffer ) {
+
+ _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );
+ _currentFramebuffer = framebuffer;
+
+ }
+
+ state.viewport( _currentViewport );
+ state.scissor( _currentScissor );
+ state.setScissorTest( _currentScissorTest );
+
+ if ( isCube ) {
+
+ var textureProperties = properties.get( renderTarget.texture );
+ _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel );
+
+ }
+
+ };
+
+ this.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer ) {
+
+ if ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) {
+
+ console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );
+ return;
+
+ }
+
+ var framebuffer = properties.get( renderTarget ).__webglFramebuffer;
+
+ if ( framebuffer ) {
+
+ var restore = false;
+
+ if ( framebuffer !== _currentFramebuffer ) {
+
+ _gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );
+
+ restore = true;
+
+ }
+
+ try {
+
+ var texture = renderTarget.texture;
+ var textureFormat = texture.format;
+ var textureType = texture.type;
+
+ if ( textureFormat !== RGBAFormat && utils.convert( textureFormat ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) {
+
+ console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );
+ return;
+
+ }
+
+ if ( textureType !== UnsignedByteType && utils.convert( textureType ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // IE11, Edge and Chrome Mac < 52 (#9513)
+ ! ( textureType === FloatType && ( extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox
+ ! ( textureType === HalfFloatType && extensions.get( 'EXT_color_buffer_half_float' ) ) ) {
+
+ console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );
+ return;
+
+ }
+
+ if ( _gl.checkFramebufferStatus( _gl.FRAMEBUFFER ) === _gl.FRAMEBUFFER_COMPLETE ) {
+
+ // the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)
+
+ if ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {
+
+ _gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), buffer );
+
+ }
+
+ } else {
+
+ console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' );
+
+ }
+
+ } finally {
+
+ if ( restore ) {
+
+ _gl.bindFramebuffer( _gl.FRAMEBUFFER, _currentFramebuffer );
+
+ }
+
+ }
+
+ }
+
+ };
+
+ }
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function FogExp2( color, density ) {
+
+ this.name = '';
+
+ this.color = new Color( color );
+ this.density = ( density !== undefined ) ? density : 0.00025;
+
+ }
+
+ FogExp2.prototype.isFogExp2 = true;
+
+ FogExp2.prototype.clone = function () {
+
+ return new FogExp2( this.color.getHex(), this.density );
+
+ };
+
+ FogExp2.prototype.toJSON = function ( /* meta */ ) {
+
+ return {
+ type: 'FogExp2',
+ color: this.color.getHex(),
+ density: this.density
+ };
+
+ };
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function Fog( color, near, far ) {
+
+ this.name = '';
+
+ this.color = new Color( color );
+
+ this.near = ( near !== undefined ) ? near : 1;
+ this.far = ( far !== undefined ) ? far : 1000;
+
+ }
+
+ Fog.prototype.isFog = true;
+
+ Fog.prototype.clone = function () {
+
+ return new Fog( this.color.getHex(), this.near, this.far );
+
+ };
+
+ Fog.prototype.toJSON = function ( /* meta */ ) {
+
+ return {
+ type: 'Fog',
+ color: this.color.getHex(),
+ near: this.near,
+ far: this.far
+ };
+
+ };
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function Scene() {
+
+ Object3D.call( this );
+
+ this.type = 'Scene';
+
+ this.background = null;
+ this.fog = null;
+ this.overrideMaterial = null;
+
+ this.autoUpdate = true; // checked by the renderer
+
+ }
+
+ Scene.prototype = Object.assign( Object.create( Object3D.prototype ), {
+
+ constructor: Scene,
+
+ copy: function ( source, recursive ) {
+
+ Object3D.prototype.copy.call( this, source, recursive );
+
+ if ( source.background !== null ) this.background = source.background.clone();
+ if ( source.fog !== null ) this.fog = source.fog.clone();
+ if ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();
+
+ this.autoUpdate = source.autoUpdate;
+ this.matrixAutoUpdate = source.matrixAutoUpdate;
+
+ return this;
+
+ },
+
+ toJSON: function ( meta ) {
+
+ var data = Object3D.prototype.toJSON.call( this, meta );
+
+ if ( this.background !== null ) data.object.background = this.background.toJSON( meta );
+ if ( this.fog !== null ) data.object.fog = this.fog.toJSON();
+
+ return data;
+
+ }
+
+ } );
+
+ /**
+ * @author mikael emtinger / http://gomo.se/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function LensFlare( texture, size, distance, blending, color ) {
+
+ Object3D.call( this );
+
+ this.lensFlares = [];
+
+ this.positionScreen = new Vector3();
+ this.customUpdateCallback = undefined;
+
+ if ( texture !== undefined ) {
+
+ this.add( texture, size, distance, blending, color );
+
+ }
+
+ }
+
+ LensFlare.prototype = Object.assign( Object.create( Object3D.prototype ), {
+
+ constructor: LensFlare,
+
+ isLensFlare: true,
+
+ copy: function ( source ) {
+
+ Object3D.prototype.copy.call( this, source );
+
+ this.positionScreen.copy( source.positionScreen );
+ this.customUpdateCallback = source.customUpdateCallback;
+
+ for ( var i = 0, l = source.lensFlares.length; i < l; i ++ ) {
+
+ this.lensFlares.push( source.lensFlares[ i ] );
+
+ }
+
+ return this;
+
+ },
+
+ add: function ( texture, size, distance, blending, color, opacity ) {
+
+ if ( size === undefined ) size = - 1;
+ if ( distance === undefined ) distance = 0;
+ if ( opacity === undefined ) opacity = 1;
+ if ( color === undefined ) color = new Color( 0xffffff );
+ if ( blending === undefined ) blending = NormalBlending;
+
+ distance = Math.min( distance, Math.max( 0, distance ) );
+
+ this.lensFlares.push( {
+ texture: texture, // THREE.Texture
+ size: size, // size in pixels (-1 = use texture.width)
+ distance: distance, // distance (0-1) from light source (0=at light source)
+ x: 0, y: 0, z: 0, // screen position (-1 => 1) z = 0 is in front z = 1 is back
+ scale: 1, // scale
+ rotation: 0, // rotation
+ opacity: opacity, // opacity
+ color: color, // color
+ blending: blending // blending
+ } );
+
+ },
+
+ /*
+ * Update lens flares update positions on all flares based on the screen position
+ * Set myLensFlare.customUpdateCallback to alter the flares in your project specific way.
+ */
+
+ updateLensFlares: function () {
+
+ var f, fl = this.lensFlares.length;
+ var flare;
+ var vecX = - this.positionScreen.x * 2;
+ var vecY = - this.positionScreen.y * 2;
+
+ for ( f = 0; f < fl; f ++ ) {
+
+ flare = this.lensFlares[ f ];
+
+ flare.x = this.positionScreen.x + vecX * flare.distance;
+ flare.y = this.positionScreen.y + vecY * flare.distance;
+
+ flare.wantedRotation = flare.x * Math.PI * 0.25;
+ flare.rotation += ( flare.wantedRotation - flare.rotation ) * 0.25;
+
+ }
+
+ }
+
+ } );
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * parameters = {
+ * color: <hex>,
+ * opacity: <float>,
+ * map: new THREE.Texture( <Image> ),
+ *
+ * uvOffset: new THREE.Vector2(),
+ * uvScale: new THREE.Vector2()
+ * }
+ */
+
+ function SpriteMaterial( parameters ) {
+
+ Material.call( this );
+
+ this.type = 'SpriteMaterial';
+
+ this.color = new Color( 0xffffff );
+ this.map = null;
+
+ this.rotation = 0;
+
+ this.fog = false;
+ this.lights = false;
+
+ this.setValues( parameters );
+
+ }
+
+ SpriteMaterial.prototype = Object.create( Material.prototype );
+ SpriteMaterial.prototype.constructor = SpriteMaterial;
+ SpriteMaterial.prototype.isSpriteMaterial = true;
+
+ SpriteMaterial.prototype.copy = function ( source ) {
+
+ Material.prototype.copy.call( this, source );
+
+ this.color.copy( source.color );
+ this.map = source.map;
+
+ this.rotation = source.rotation;
+
+ return this;
+
+ };
+
+ /**
+ * @author mikael emtinger / http://gomo.se/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function Sprite( material ) {
+
+ Object3D.call( this );
+
+ this.type = 'Sprite';
+
+ this.material = ( material !== undefined ) ? material : new SpriteMaterial();
+
+ }
+
+ Sprite.prototype = Object.assign( Object.create( Object3D.prototype ), {
+
+ constructor: Sprite,
+
+ isSprite: true,
+
+ raycast: ( function () {
+
+ var intersectPoint = new Vector3();
+ var worldPosition = new Vector3();
+ var worldScale = new Vector3();
+
+ return function raycast( raycaster, intersects ) {
+
+ worldPosition.setFromMatrixPosition( this.matrixWorld );
+ raycaster.ray.closestPointToPoint( worldPosition, intersectPoint );
+
+ worldScale.setFromMatrixScale( this.matrixWorld );
+ var guessSizeSq = worldScale.x * worldScale.y / 4;
+
+ if ( worldPosition.distanceToSquared( intersectPoint ) > guessSizeSq ) return;
+
+ var distance = raycaster.ray.origin.distanceTo( intersectPoint );
+
+ if ( distance < raycaster.near || distance > raycaster.far ) return;
+
+ intersects.push( {
+
+ distance: distance,
+ point: intersectPoint.clone(),
+ face: null,
+ object: this
+
+ } );
+
+ };
+
+ }() ),
+
+ clone: function () {
+
+ return new this.constructor( this.material ).copy( this );
+
+ }
+
+ } );
+
+ /**
+ * @author mikael emtinger / http://gomo.se/
+ * @author alteredq / http://alteredqualia.com/
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function LOD() {
+
+ Object3D.call( this );
+
+ this.type = 'LOD';
+
+ Object.defineProperties( this, {
+ levels: {
+ enumerable: true,
+ value: []
+ }
+ } );
+
+ }
+
+ LOD.prototype = Object.assign( Object.create( Object3D.prototype ), {
+
+ constructor: LOD,
+
+ copy: function ( source ) {
+
+ Object3D.prototype.copy.call( this, source, false );
+
+ var levels = source.levels;
+
+ for ( var i = 0, l = levels.length; i < l; i ++ ) {
+
+ var level = levels[ i ];
+
+ this.addLevel( level.object.clone(), level.distance );
+
+ }
+
+ return this;
+
+ },
+
+ addLevel: function ( object, distance ) {
+
+ if ( distance === undefined ) distance = 0;
+
+ distance = Math.abs( distance );
+
+ var levels = this.levels;
+
+ for ( var l = 0; l < levels.length; l ++ ) {
+
+ if ( distance < levels[ l ].distance ) {
+
+ break;
+
+ }
+
+ }
+
+ levels.splice( l, 0, { distance: distance, object: object } );
+
+ this.add( object );
+
+ },
+
+ getObjectForDistance: function ( distance ) {
+
+ var levels = this.levels;
+
+ for ( var i = 1, l = levels.length; i < l; i ++ ) {
+
+ if ( distance < levels[ i ].distance ) {
+
+ break;
+
+ }
+
+ }
+
+ return levels[ i - 1 ].object;
+
+ },
+
+ raycast: ( function () {
+
+ var matrixPosition = new Vector3();
+
+ return function raycast( raycaster, intersects ) {
+
+ matrixPosition.setFromMatrixPosition( this.matrixWorld );
+
+ var distance = raycaster.ray.origin.distanceTo( matrixPosition );
+
+ this.getObjectForDistance( distance ).raycast( raycaster, intersects );
+
+ };
+
+ }() ),
+
+ update: function () {
+
+ var v1 = new Vector3();
+ var v2 = new Vector3();
+
+ return function update( camera ) {
+
+ var levels = this.levels;
+
+ if ( levels.length > 1 ) {
+
+ v1.setFromMatrixPosition( camera.matrixWorld );
+ v2.setFromMatrixPosition( this.matrixWorld );
+
+ var distance = v1.distanceTo( v2 );
+
+ levels[ 0 ].object.visible = true;
+
+ for ( var i = 1, l = levels.length; i < l; i ++ ) {
+
+ if ( distance >= levels[ i ].distance ) {
+
+ levels[ i - 1 ].object.visible = false;
+ levels[ i ].object.visible = true;
+
+ } else {
+
+ break;
+
+ }
+
+ }
+
+ for ( ; i < l; i ++ ) {
+
+ levels[ i ].object.visible = false;
+
+ }
+
+ }
+
+ };
+
+ }(),
+
+ toJSON: function ( meta ) {
+
+ var data = Object3D.prototype.toJSON.call( this, meta );
+
+ data.object.levels = [];
+
+ var levels = this.levels;
+
+ for ( var i = 0, l = levels.length; i < l; i ++ ) {
+
+ var level = levels[ i ];
+
+ data.object.levels.push( {
+ object: level.object.uuid,
+ distance: level.distance
+ } );
+
+ }
+
+ return data;
+
+ }
+
+ } );
+
+ /**
+ * @author mikael emtinger / http://gomo.se/
+ * @author alteredq / http://alteredqualia.com/
+ * @author michael guerrero / http://realitymeltdown.com
+ * @author ikerr / http://verold.com
+ */
+
+ function Skeleton( bones, boneInverses ) {
+
+ // copy the bone array
+
+ bones = bones || [];
+
+ this.bones = bones.slice( 0 );
+ this.boneMatrices = new Float32Array( this.bones.length * 16 );
+
+ // use the supplied bone inverses or calculate the inverses
+
+ if ( boneInverses === undefined ) {
+
+ this.calculateInverses();
+
+ } else {
+
+ if ( this.bones.length === boneInverses.length ) {
+
+ this.boneInverses = boneInverses.slice( 0 );
+
+ } else {
+
+ console.warn( 'THREE.Skeleton boneInverses is the wrong length.' );
+
+ this.boneInverses = [];
+
+ for ( var i = 0, il = this.bones.length; i < il; i ++ ) {
+
+ this.boneInverses.push( new Matrix4() );
+
+ }
+
+ }
+
+ }
+
+ }
+
+ Object.assign( Skeleton.prototype, {
+
+ calculateInverses: function () {
+
+ this.boneInverses = [];
+
+ for ( var i = 0, il = this.bones.length; i < il; i ++ ) {
+
+ var inverse = new Matrix4();
+
+ if ( this.bones[ i ] ) {
+
+ inverse.getInverse( this.bones[ i ].matrixWorld );
+
+ }
+
+ this.boneInverses.push( inverse );
+
+ }
+
+ },
+
+ pose: function () {
+
+ var bone, i, il;
+
+ // recover the bind-time world matrices
+
+ for ( i = 0, il = this.bones.length; i < il; i ++ ) {
+
+ bone = this.bones[ i ];
+
+ if ( bone ) {
+
+ bone.matrixWorld.getInverse( this.boneInverses[ i ] );
+
+ }
+
+ }
+
+ // compute the local matrices, positions, rotations and scales
+
+ for ( i = 0, il = this.bones.length; i < il; i ++ ) {
+
+ bone = this.bones[ i ];
+
+ if ( bone ) {
+
+ if ( bone.parent && bone.parent.isBone ) {
+
+ bone.matrix.getInverse( bone.parent.matrixWorld );
+ bone.matrix.multiply( bone.matrixWorld );
+
+ } else {
+
+ bone.matrix.copy( bone.matrixWorld );
+
+ }
+
+ bone.matrix.decompose( bone.position, bone.quaternion, bone.scale );
+
+ }
+
+ }
+
+ },
+
+ update: ( function () {
+
+ var offsetMatrix = new Matrix4();
+ var identityMatrix = new Matrix4();
+
+ return function update() {
+
+ var bones = this.bones;
+ var boneInverses = this.boneInverses;
+ var boneMatrices = this.boneMatrices;
+ var boneTexture = this.boneTexture;
+
+ // flatten bone matrices to array
+
+ for ( var i = 0, il = bones.length; i < il; i ++ ) {
+
+ // compute the offset between the current and the original transform
+
+ var matrix = bones[ i ] ? bones[ i ].matrixWorld : identityMatrix;
+
+ offsetMatrix.multiplyMatrices( matrix, boneInverses[ i ] );
+ offsetMatrix.toArray( boneMatrices, i * 16 );
+
+ }
+
+ if ( boneTexture !== undefined ) {
+
+ boneTexture.needsUpdate = true;
+
+ }
+
+ };
+
+ } )(),
+
+ clone: function () {
+
+ return new Skeleton( this.bones, this.boneInverses );
+
+ }
+
+ } );
+
+ /**
+ * @author mikael emtinger / http://gomo.se/
+ * @author alteredq / http://alteredqualia.com/
+ * @author ikerr / http://verold.com
+ */
+
+ function Bone() {
+
+ Object3D.call( this );
+
+ this.type = 'Bone';
+
+ }
+
+ Bone.prototype = Object.assign( Object.create( Object3D.prototype ), {
+
+ constructor: Bone,
+
+ isBone: true
+
+ } );
+
+ /**
+ * @author mikael emtinger / http://gomo.se/
+ * @author alteredq / http://alteredqualia.com/
+ * @author ikerr / http://verold.com
+ */
+
+ function SkinnedMesh( geometry, material ) {
+
+ Mesh.call( this, geometry, material );
+
+ this.type = 'SkinnedMesh';
+
+ this.bindMode = 'attached';
+ this.bindMatrix = new Matrix4();
+ this.bindMatrixInverse = new Matrix4();
+
+ var bones = this.initBones();
+ var skeleton = new Skeleton( bones );
+
+ this.bind( skeleton, this.matrixWorld );
+
+ this.normalizeSkinWeights();
+
+ }
+
+ SkinnedMesh.prototype = Object.assign( Object.create( Mesh.prototype ), {
+
+ constructor: SkinnedMesh,
+
+ isSkinnedMesh: true,
+
+ initBones: function () {
+
+ var bones = [], bone, gbone;
+ var i, il;
+
+ if ( this.geometry && this.geometry.bones !== undefined ) {
+
+ // first, create array of 'Bone' objects from geometry data
+
+ for ( i = 0, il = this.geometry.bones.length; i < il; i ++ ) {
+
+ gbone = this.geometry.bones[ i ];
+
+ // create new 'Bone' object
+
+ bone = new Bone();
+ bones.push( bone );
+
+ // apply values
+
+ bone.name = gbone.name;
+ bone.position.fromArray( gbone.pos );
+ bone.quaternion.fromArray( gbone.rotq );
+ if ( gbone.scl !== undefined ) bone.scale.fromArray( gbone.scl );
+
+ }
+
+ // second, create bone hierarchy
+
+ for ( i = 0, il = this.geometry.bones.length; i < il; i ++ ) {
+
+ gbone = this.geometry.bones[ i ];
+
+ if ( ( gbone.parent !== - 1 ) && ( gbone.parent !== null ) && ( bones[ gbone.parent ] !== undefined ) ) {
+
+ // subsequent bones in the hierarchy
+
+ bones[ gbone.parent ].add( bones[ i ] );
+
+ } else {
+
+ // topmost bone, immediate child of the skinned mesh
+
+ this.add( bones[ i ] );
+
+ }
+
+ }
+
+ }
+
+ // now the bones are part of the scene graph and children of the skinned mesh.
+ // let's update the corresponding matrices
+
+ this.updateMatrixWorld( true );
+
+ return bones;
+
+ },
+
+ bind: function ( skeleton, bindMatrix ) {
+
+ this.skeleton = skeleton;
+
+ if ( bindMatrix === undefined ) {
+
+ this.updateMatrixWorld( true );
+
+ this.skeleton.calculateInverses();
+
+ bindMatrix = this.matrixWorld;
+
+ }
+
+ this.bindMatrix.copy( bindMatrix );
+ this.bindMatrixInverse.getInverse( bindMatrix );
+
+ },
+
+ pose: function () {
+
+ this.skeleton.pose();
+
+ },
+
+ normalizeSkinWeights: function () {
+
+ var scale, i;
+
+ if ( this.geometry && this.geometry.isGeometry ) {
+
+ for ( i = 0; i < this.geometry.skinWeights.length; i ++ ) {
+
+ var sw = this.geometry.skinWeights[ i ];
+
+ scale = 1.0 / sw.manhattanLength();
+
+ if ( scale !== Infinity ) {
+
+ sw.multiplyScalar( scale );
+
+ } else {
+
+ sw.set( 1, 0, 0, 0 ); // do something reasonable
+
+ }
+
+ }
+
+ } else if ( this.geometry && this.geometry.isBufferGeometry ) {
+
+ var vec = new Vector4();
+
+ var skinWeight = this.geometry.attributes.skinWeight;
+
+ for ( i = 0; i < skinWeight.count; i ++ ) {
+
+ vec.x = skinWeight.getX( i );
+ vec.y = skinWeight.getY( i );
+ vec.z = skinWeight.getZ( i );
+ vec.w = skinWeight.getW( i );
+
+ scale = 1.0 / vec.manhattanLength();
+
+ if ( scale !== Infinity ) {
+
+ vec.multiplyScalar( scale );
+
+ } else {
+
+ vec.set( 1, 0, 0, 0 ); // do something reasonable
+
+ }
+
+ skinWeight.setXYZW( i, vec.x, vec.y, vec.z, vec.w );
+
+ }
+
+ }
+
+ },
+
+ updateMatrixWorld: function ( force ) {
+
+ Mesh.prototype.updateMatrixWorld.call( this, force );
+
+ if ( this.bindMode === 'attached' ) {
+
+ this.bindMatrixInverse.getInverse( this.matrixWorld );
+
+ } else if ( this.bindMode === 'detached' ) {
+
+ this.bindMatrixInverse.getInverse( this.bindMatrix );
+
+ } else {
+
+ console.warn( 'THREE.SkinnedMesh: Unrecognized bindMode: ' + this.bindMode );
+
+ }
+
+ },
+
+ clone: function () {
+
+ return new this.constructor( this.geometry, this.material ).copy( this );
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * parameters = {
+ * color: <hex>,
+ * opacity: <float>,
+ *
+ * linewidth: <float>,
+ * linecap: "round",
+ * linejoin: "round"
+ * }
+ */
+
+ function LineBasicMaterial( parameters ) {
+
+ Material.call( this );
+
+ this.type = 'LineBasicMaterial';
+
+ this.color = new Color( 0xffffff );
+
+ this.linewidth = 1;
+ this.linecap = 'round';
+ this.linejoin = 'round';
+
+ this.lights = false;
+
+ this.setValues( parameters );
+
+ }
+
+ LineBasicMaterial.prototype = Object.create( Material.prototype );
+ LineBasicMaterial.prototype.constructor = LineBasicMaterial;
+
+ LineBasicMaterial.prototype.isLineBasicMaterial = true;
+
+ LineBasicMaterial.prototype.copy = function ( source ) {
+
+ Material.prototype.copy.call( this, source );
+
+ this.color.copy( source.color );
+
+ this.linewidth = source.linewidth;
+ this.linecap = source.linecap;
+ this.linejoin = source.linejoin;
+
+ return this;
+
+ };
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function Line( geometry, material, mode ) {
+
+ if ( mode === 1 ) {
+
+ console.warn( 'THREE.Line: parameter THREE.LinePieces no longer supported. Created THREE.LineSegments instead.' );
+ return new LineSegments( geometry, material );
+
+ }
+
+ Object3D.call( this );
+
+ this.type = 'Line';
+
+ this.geometry = geometry !== undefined ? geometry : new BufferGeometry();
+ this.material = material !== undefined ? material : new LineBasicMaterial( { color: Math.random() * 0xffffff } );
+
+ }
+
+ Line.prototype = Object.assign( Object.create( Object3D.prototype ), {
+
+ constructor: Line,
+
+ isLine: true,
+
+ raycast: ( function () {
+
+ var inverseMatrix = new Matrix4();
+ var ray = new Ray();
+ var sphere = new Sphere();
+
+ return function raycast( raycaster, intersects ) {
+
+ var precision = raycaster.linePrecision;
+ var precisionSq = precision * precision;
+
+ var geometry = this.geometry;
+ var matrixWorld = this.matrixWorld;
+
+ // Checking boundingSphere distance to ray
+
+ if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();
+
+ sphere.copy( geometry.boundingSphere );
+ sphere.applyMatrix4( matrixWorld );
+
+ if ( raycaster.ray.intersectsSphere( sphere ) === false ) return;
+
+ //
+
+ inverseMatrix.getInverse( matrixWorld );
+ ray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );
+
+ var vStart = new Vector3();
+ var vEnd = new Vector3();
+ var interSegment = new Vector3();
+ var interRay = new Vector3();
+ var step = ( this && this.isLineSegments ) ? 2 : 1;
+
+ if ( geometry.isBufferGeometry ) {
+
+ var index = geometry.index;
+ var attributes = geometry.attributes;
+ var positions = attributes.position.array;
+
+ if ( index !== null ) {
+
+ var indices = index.array;
+
+ for ( var i = 0, l = indices.length - 1; i < l; i += step ) {
+
+ var a = indices[ i ];
+ var b = indices[ i + 1 ];
+
+ vStart.fromArray( positions, a * 3 );
+ vEnd.fromArray( positions, b * 3 );
+
+ var distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );
+
+ if ( distSq > precisionSq ) continue;
+
+ interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation
+
+ var distance = raycaster.ray.origin.distanceTo( interRay );
+
+ if ( distance < raycaster.near || distance > raycaster.far ) continue;
+
+ intersects.push( {
+
+ distance: distance,
+ // What do we want? intersection point on the ray or on the segment??
+ // point: raycaster.ray.at( distance ),
+ point: interSegment.clone().applyMatrix4( this.matrixWorld ),
+ index: i,
+ face: null,
+ faceIndex: null,
+ object: this
+
+ } );
+
+ }
+
+ } else {
+
+ for ( var i = 0, l = positions.length / 3 - 1; i < l; i += step ) {
+
+ vStart.fromArray( positions, 3 * i );
+ vEnd.fromArray( positions, 3 * i + 3 );
+
+ var distSq = ray.distanceSqToSegment( vStart, vEnd, interRay, interSegment );
+
+ if ( distSq > precisionSq ) continue;
+
+ interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation
+
+ var distance = raycaster.ray.origin.distanceTo( interRay );
+
+ if ( distance < raycaster.near || distance > raycaster.far ) continue;
+
+ intersects.push( {
+
+ distance: distance,
+ // What do we want? intersection point on the ray or on the segment??
+ // point: raycaster.ray.at( distance ),
+ point: interSegment.clone().applyMatrix4( this.matrixWorld ),
+ index: i,
+ face: null,
+ faceIndex: null,
+ object: this
+
+ } );
+
+ }
+
+ }
+
+ } else if ( geometry.isGeometry ) {
+
+ var vertices = geometry.vertices;
+ var nbVertices = vertices.length;
+
+ for ( var i = 0; i < nbVertices - 1; i += step ) {
+
+ var distSq = ray.distanceSqToSegment( vertices[ i ], vertices[ i + 1 ], interRay, interSegment );
+
+ if ( distSq > precisionSq ) continue;
+
+ interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation
+
+ var distance = raycaster.ray.origin.distanceTo( interRay );
+
+ if ( distance < raycaster.near || distance > raycaster.far ) continue;
+
+ intersects.push( {
+
+ distance: distance,
+ // What do we want? intersection point on the ray or on the segment??
+ // point: raycaster.ray.at( distance ),
+ point: interSegment.clone().applyMatrix4( this.matrixWorld ),
+ index: i,
+ face: null,
+ faceIndex: null,
+ object: this
+
+ } );
+
+ }
+
+ }
+
+ };
+
+ }() ),
+
+ clone: function () {
+
+ return new this.constructor( this.geometry, this.material ).copy( this );
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function LineSegments( geometry, material ) {
+
+ Line.call( this, geometry, material );
+
+ this.type = 'LineSegments';
+
+ }
+
+ LineSegments.prototype = Object.assign( Object.create( Line.prototype ), {
+
+ constructor: LineSegments,
+
+ isLineSegments: true
+
+ } );
+
+ /**
+ * @author mgreter / http://github.com/mgreter
+ */
+
+ function LineLoop( geometry, material ) {
+
+ Line.call( this, geometry, material );
+
+ this.type = 'LineLoop';
+
+ }
+
+ LineLoop.prototype = Object.assign( Object.create( Line.prototype ), {
+
+ constructor: LineLoop,
+
+ isLineLoop: true,
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * parameters = {
+ * color: <hex>,
+ * opacity: <float>,
+ * map: new THREE.Texture( <Image> ),
+ *
+ * size: <float>,
+ * sizeAttenuation: <bool>
+ * }
+ */
+
+ function PointsMaterial( parameters ) {
+
+ Material.call( this );
+
+ this.type = 'PointsMaterial';
+
+ this.color = new Color( 0xffffff );
+
+ this.map = null;
+
+ this.size = 1;
+ this.sizeAttenuation = true;
+
+ this.lights = false;
+
+ this.setValues( parameters );
+
+ }
+
+ PointsMaterial.prototype = Object.create( Material.prototype );
+ PointsMaterial.prototype.constructor = PointsMaterial;
+
+ PointsMaterial.prototype.isPointsMaterial = true;
+
+ PointsMaterial.prototype.copy = function ( source ) {
+
+ Material.prototype.copy.call( this, source );
+
+ this.color.copy( source.color );
+
+ this.map = source.map;
+
+ this.size = source.size;
+ this.sizeAttenuation = source.sizeAttenuation;
+
+ return this;
+
+ };
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function Points( geometry, material ) {
+
+ Object3D.call( this );
+
+ this.type = 'Points';
+
+ this.geometry = geometry !== undefined ? geometry : new BufferGeometry();
+ this.material = material !== undefined ? material : new PointsMaterial( { color: Math.random() * 0xffffff } );
+
+ }
+
+ Points.prototype = Object.assign( Object.create( Object3D.prototype ), {
+
+ constructor: Points,
+
+ isPoints: true,
+
+ raycast: ( function () {
+
+ var inverseMatrix = new Matrix4();
+ var ray = new Ray();
+ var sphere = new Sphere();
+
+ return function raycast( raycaster, intersects ) {
+
+ var object = this;
+ var geometry = this.geometry;
+ var matrixWorld = this.matrixWorld;
+ var threshold = raycaster.params.Points.threshold;
+
+ // Checking boundingSphere distance to ray
+
+ if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();
+
+ sphere.copy( geometry.boundingSphere );
+ sphere.applyMatrix4( matrixWorld );
+ sphere.radius += threshold;
+
+ if ( raycaster.ray.intersectsSphere( sphere ) === false ) return;
+
+ //
+
+ inverseMatrix.getInverse( matrixWorld );
+ ray.copy( raycaster.ray ).applyMatrix4( inverseMatrix );
+
+ var localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );
+ var localThresholdSq = localThreshold * localThreshold;
+ var position = new Vector3();
+
+ function testPoint( point, index ) {
+
+ var rayPointDistanceSq = ray.distanceSqToPoint( point );
+
+ if ( rayPointDistanceSq < localThresholdSq ) {
+
+ var intersectPoint = ray.closestPointToPoint( point );
+ intersectPoint.applyMatrix4( matrixWorld );
+
+ var distance = raycaster.ray.origin.distanceTo( intersectPoint );
+
+ if ( distance < raycaster.near || distance > raycaster.far ) return;
+
+ intersects.push( {
+
+ distance: distance,
+ distanceToRay: Math.sqrt( rayPointDistanceSq ),
+ point: intersectPoint.clone(),
+ index: index,
+ face: null,
+ object: object
+
+ } );
+
+ }
+
+ }
+
+ if ( geometry.isBufferGeometry ) {
+
+ var index = geometry.index;
+ var attributes = geometry.attributes;
+ var positions = attributes.position.array;
+
+ if ( index !== null ) {
+
+ var indices = index.array;
+
+ for ( var i = 0, il = indices.length; i < il; i ++ ) {
+
+ var a = indices[ i ];
+
+ position.fromArray( positions, a * 3 );
+
+ testPoint( position, a );
+
+ }
+
+ } else {
+
+ for ( var i = 0, l = positions.length / 3; i < l; i ++ ) {
+
+ position.fromArray( positions, i * 3 );
+
+ testPoint( position, i );
+
+ }
+
+ }
+
+ } else {
+
+ var vertices = geometry.vertices;
+
+ for ( var i = 0, l = vertices.length; i < l; i ++ ) {
+
+ testPoint( vertices[ i ], i );
+
+ }
+
+ }
+
+ };
+
+ }() ),
+
+ clone: function () {
+
+ return new this.constructor( this.geometry, this.material ).copy( this );
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function Group() {
+
+ Object3D.call( this );
+
+ this.type = 'Group';
+
+ }
+
+ Group.prototype = Object.assign( Object.create( Object3D.prototype ), {
+
+ constructor: Group,
+
+ isGroup: true
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function VideoTexture( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {
+
+ Texture.call( this, video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );
+
+ this.generateMipmaps = false;
+
+ // Set needsUpdate when first frame is ready
+
+ var scope = this;
+
+ function onLoaded() {
+
+ video.removeEventListener( 'loadeddata', onLoaded, false );
+ scope.needsUpdate = true;
+
+ }
+
+ video.addEventListener( 'loadeddata', onLoaded, false );
+
+ }
+
+ VideoTexture.prototype = Object.assign( Object.create( Texture.prototype ), {
+
+ constructor: VideoTexture,
+
+ isVideoTexture: true,
+
+ update: function () {
+
+ var video = this.image;
+
+ if ( video.readyState >= video.HAVE_CURRENT_DATA ) {
+
+ this.needsUpdate = true;
+
+ }
+
+ }
+
+ } );
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function CompressedTexture( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {
+
+ Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );
+
+ this.image = { width: width, height: height };
+ this.mipmaps = mipmaps;
+
+ // no flipping for cube textures
+ // (also flipping doesn't work for compressed textures )
+
+ this.flipY = false;
+
+ // can't generate mipmaps for compressed textures
+ // mips must be embedded in DDS files
+
+ this.generateMipmaps = false;
+
+ }
+
+ CompressedTexture.prototype = Object.create( Texture.prototype );
+ CompressedTexture.prototype.constructor = CompressedTexture;
+
+ CompressedTexture.prototype.isCompressedTexture = true;
+
+ /**
+ * @author Matt DesLauriers / @mattdesl
+ * @author atix / arthursilber.de
+ */
+
+ function DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) {
+
+ format = format !== undefined ? format : DepthFormat;
+
+ if ( format !== DepthFormat && format !== DepthStencilFormat ) {
+
+ throw new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' );
+
+ }
+
+ if ( type === undefined && format === DepthFormat ) type = UnsignedShortType;
+ if ( type === undefined && format === DepthStencilFormat ) type = UnsignedInt248Type;
+
+ Texture.call( this, null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );
+
+ this.image = { width: width, height: height };
+
+ this.magFilter = magFilter !== undefined ? magFilter : NearestFilter;
+ this.minFilter = minFilter !== undefined ? minFilter : NearestFilter;
+
+ this.flipY = false;
+ this.generateMipmaps = false;
+
+ }
+
+ DepthTexture.prototype = Object.create( Texture.prototype );
+ DepthTexture.prototype.constructor = DepthTexture;
+ DepthTexture.prototype.isDepthTexture = true;
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author Mugen87 / https://github.com/Mugen87
+ */
+
+ function WireframeGeometry( geometry ) {
+
+ BufferGeometry.call( this );
+
+ this.type = 'WireframeGeometry';
+
+ // buffer
+
+ var vertices = [];
+
+ // helper variables
+
+ var i, j, l, o, ol;
+ var edge = [ 0, 0 ], edges = {}, e, edge1, edge2;
+ var key, keys = [ 'a', 'b', 'c' ];
+ var vertex;
+
+ // different logic for Geometry and BufferGeometry
+
+ if ( geometry && geometry.isGeometry ) {
+
+ // create a data structure that contains all edges without duplicates
+
+ var faces = geometry.faces;
+
+ for ( i = 0, l = faces.length; i < l; i ++ ) {
+
+ var face = faces[ i ];
+
+ for ( j = 0; j < 3; j ++ ) {
+
+ edge1 = face[ keys[ j ] ];
+ edge2 = face[ keys[ ( j + 1 ) % 3 ] ];
+ edge[ 0 ] = Math.min( edge1, edge2 ); // sorting prevents duplicates
+ edge[ 1 ] = Math.max( edge1, edge2 );
+
+ key = edge[ 0 ] + ',' + edge[ 1 ];
+
+ if ( edges[ key ] === undefined ) {
+
+ edges[ key ] = { index1: edge[ 0 ], index2: edge[ 1 ] };
+
+ }
+
+ }
+
+ }
+
+ // generate vertices
+
+ for ( key in edges ) {
+
+ e = edges[ key ];
+
+ vertex = geometry.vertices[ e.index1 ];
+ vertices.push( vertex.x, vertex.y, vertex.z );
+
+ vertex = geometry.vertices[ e.index2 ];
+ vertices.push( vertex.x, vertex.y, vertex.z );
+
+ }
+
+ } else if ( geometry && geometry.isBufferGeometry ) {
+
+ var position, indices, groups;
+ var group, start, count;
+ var index1, index2;
+
+ vertex = new Vector3();
+
+ if ( geometry.index !== null ) {
+
+ // indexed BufferGeometry
+
+ position = geometry.attributes.position;
+ indices = geometry.index;
+ groups = geometry.groups;
+
+ if ( groups.length === 0 ) {
+
+ groups = [ { start: 0, count: indices.count, materialIndex: 0 } ];
+
+ }
+
+ // create a data structure that contains all eges without duplicates
+
+ for ( o = 0, ol = groups.length; o < ol; ++ o ) {
+
+ group = groups[ o ];
+
+ start = group.start;
+ count = group.count;
+
+ for ( i = start, l = ( start + count ); i < l; i += 3 ) {
+
+ for ( j = 0; j < 3; j ++ ) {
+
+ edge1 = indices.getX( i + j );
+ edge2 = indices.getX( i + ( j + 1 ) % 3 );
+ edge[ 0 ] = Math.min( edge1, edge2 ); // sorting prevents duplicates
+ edge[ 1 ] = Math.max( edge1, edge2 );
+
+ key = edge[ 0 ] + ',' + edge[ 1 ];
+
+ if ( edges[ key ] === undefined ) {
+
+ edges[ key ] = { index1: edge[ 0 ], index2: edge[ 1 ] };
+
+ }
+
+ }
+
+ }
+
+ }
+
+ // generate vertices
+
+ for ( key in edges ) {
+
+ e = edges[ key ];
+
+ vertex.fromBufferAttribute( position, e.index1 );
+ vertices.push( vertex.x, vertex.y, vertex.z );
+
+ vertex.fromBufferAttribute( position, e.index2 );
+ vertices.push( vertex.x, vertex.y, vertex.z );
+
+ }
+
+ } else {
+
+ // non-indexed BufferGeometry
+
+ position = geometry.attributes.position;
+
+ for ( i = 0, l = ( position.count / 3 ); i < l; i ++ ) {
+
+ for ( j = 0; j < 3; j ++ ) {
+
+ // three edges per triangle, an edge is represented as (index1, index2)
+ // e.g. the first triangle has the following edges: (0,1),(1,2),(2,0)
+
+ index1 = 3 * i + j;
+ vertex.fromBufferAttribute( position, index1 );
+ vertices.push( vertex.x, vertex.y, vertex.z );
+
+ index2 = 3 * i + ( ( j + 1 ) % 3 );
+ vertex.fromBufferAttribute( position, index2 );
+ vertices.push( vertex.x, vertex.y, vertex.z );
+
+ }
+
+ }
+
+ }
+
+ }
+
+ // build geometry
+
+ this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+
+ }
+
+ WireframeGeometry.prototype = Object.create( BufferGeometry.prototype );
+ WireframeGeometry.prototype.constructor = WireframeGeometry;
+
+ /**
+ * @author zz85 / https://github.com/zz85
+ * @author Mugen87 / https://github.com/Mugen87
+ *
+ * Parametric Surfaces Geometry
+ * based on the brilliant article by @prideout http://prideout.net/blog/?p=44
+ */
+
+ // ParametricGeometry
+
+ function ParametricGeometry( func, slices, stacks ) {
+
+ Geometry.call( this );
+
+ this.type = 'ParametricGeometry';
+
+ this.parameters = {
+ func: func,
+ slices: slices,
+ stacks: stacks
+ };
+
+ this.fromBufferGeometry( new ParametricBufferGeometry( func, slices, stacks ) );
+ this.mergeVertices();
+
+ }
+
+ ParametricGeometry.prototype = Object.create( Geometry.prototype );
+ ParametricGeometry.prototype.constructor = ParametricGeometry;
+
+ // ParametricBufferGeometry
+
+ function ParametricBufferGeometry( func, slices, stacks ) {
+
+ BufferGeometry.call( this );
+
+ this.type = 'ParametricBufferGeometry';
+
+ this.parameters = {
+ func: func,
+ slices: slices,
+ stacks: stacks
+ };
+
+ // buffers
+
+ var indices = [];
+ var vertices = [];
+ var normals = [];
+ var uvs = [];
+
+ var EPS = 0.00001;
+
+ var normal = new Vector3();
+
+ var p0 = new Vector3(), p1 = new Vector3();
+ var pu = new Vector3(), pv = new Vector3();
+
+ var i, j;
+
+ // generate vertices, normals and uvs
+
+ var sliceCount = slices + 1;
+
+ for ( i = 0; i <= stacks; i ++ ) {
+
+ var v = i / stacks;
+
+ for ( j = 0; j <= slices; j ++ ) {
+
+ var u = j / slices;
+
+ // vertex
+
+ p0 = func( u, v, p0 );
+ vertices.push( p0.x, p0.y, p0.z );
+
+ // normal
+
+ // approximate tangent vectors via finite differences
+
+ if ( u - EPS >= 0 ) {
+
+ p1 = func( u - EPS, v, p1 );
+ pu.subVectors( p0, p1 );
+
+ } else {
+
+ p1 = func( u + EPS, v, p1 );
+ pu.subVectors( p1, p0 );
+
+ }
+
+ if ( v - EPS >= 0 ) {
+
+ p1 = func( u, v - EPS, p1 );
+ pv.subVectors( p0, p1 );
+
+ } else {
+
+ p1 = func( u, v + EPS, p1 );
+ pv.subVectors( p1, p0 );
+
+ }
+
+ // cross product of tangent vectors returns surface normal
+
+ normal.crossVectors( pu, pv ).normalize();
+ normals.push( normal.x, normal.y, normal.z );
+
+ // uv
+
+ uvs.push( u, v );
+
+ }
+
+ }
+
+ // generate indices
+
+ for ( i = 0; i < stacks; i ++ ) {
+
+ for ( j = 0; j < slices; j ++ ) {
+
+ var a = i * sliceCount + j;
+ var b = i * sliceCount + j + 1;
+ var c = ( i + 1 ) * sliceCount + j + 1;
+ var d = ( i + 1 ) * sliceCount + j;
+
+ // faces one and two
+
+ indices.push( a, b, d );
+ indices.push( b, c, d );
+
+ }
+
+ }
+
+ // build geometry
+
+ this.setIndex( indices );
+ this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+ this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );
+ this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );
+
+ }
+
+ ParametricBufferGeometry.prototype = Object.create( BufferGeometry.prototype );
+ ParametricBufferGeometry.prototype.constructor = ParametricBufferGeometry;
+
+ /**
+ * @author clockworkgeek / https://github.com/clockworkgeek
+ * @author timothypratley / https://github.com/timothypratley
+ * @author WestLangley / http://github.com/WestLangley
+ * @author Mugen87 / https://github.com/Mugen87
+ */
+
+ // PolyhedronGeometry
+
+ function PolyhedronGeometry( vertices, indices, radius, detail ) {
+
+ Geometry.call( this );
+
+ this.type = 'PolyhedronGeometry';
+
+ this.parameters = {
+ vertices: vertices,
+ indices: indices,
+ radius: radius,
+ detail: detail
+ };
+
+ this.fromBufferGeometry( new PolyhedronBufferGeometry( vertices, indices, radius, detail ) );
+ this.mergeVertices();
+
+ }
+
+ PolyhedronGeometry.prototype = Object.create( Geometry.prototype );
+ PolyhedronGeometry.prototype.constructor = PolyhedronGeometry;
+
+ // PolyhedronBufferGeometry
+
+ function PolyhedronBufferGeometry( vertices, indices, radius, detail ) {
+
+ BufferGeometry.call( this );
+
+ this.type = 'PolyhedronBufferGeometry';
+
+ this.parameters = {
+ vertices: vertices,
+ indices: indices,
+ radius: radius,
+ detail: detail
+ };
+
+ radius = radius || 1;
+ detail = detail || 0;
+
+ // default buffer data
+
+ var vertexBuffer = [];
+ var uvBuffer = [];
+
+ // the subdivision creates the vertex buffer data
+
+ subdivide( detail );
+
+ // all vertices should lie on a conceptual sphere with a given radius
+
+ appplyRadius( radius );
+
+ // finally, create the uv data
+
+ generateUVs();
+
+ // build non-indexed geometry
+
+ this.addAttribute( 'position', new Float32BufferAttribute( vertexBuffer, 3 ) );
+ this.addAttribute( 'normal', new Float32BufferAttribute( vertexBuffer.slice(), 3 ) );
+ this.addAttribute( 'uv', new Float32BufferAttribute( uvBuffer, 2 ) );
+
+ if ( detail === 0 ) {
+
+ this.computeVertexNormals(); // flat normals
+
+ } else {
+
+ this.normalizeNormals(); // smooth normals
+
+ }
+
+ // helper functions
+
+ function subdivide( detail ) {
+
+ var a = new Vector3();
+ var b = new Vector3();
+ var c = new Vector3();
+
+ // iterate over all faces and apply a subdivison with the given detail value
+
+ for ( var i = 0; i < indices.length; i += 3 ) {
+
+ // get the vertices of the face
+
+ getVertexByIndex( indices[ i + 0 ], a );
+ getVertexByIndex( indices[ i + 1 ], b );
+ getVertexByIndex( indices[ i + 2 ], c );
+
+ // perform subdivision
+
+ subdivideFace( a, b, c, detail );
+
+ }
+
+ }
+
+ function subdivideFace( a, b, c, detail ) {
+
+ var cols = Math.pow( 2, detail );
+
+ // we use this multidimensional array as a data structure for creating the subdivision
+
+ var v = [];
+
+ var i, j;
+
+ // construct all of the vertices for this subdivision
+
+ for ( i = 0; i <= cols; i ++ ) {
+
+ v[ i ] = [];
+
+ var aj = a.clone().lerp( c, i / cols );
+ var bj = b.clone().lerp( c, i / cols );
+
+ var rows = cols - i;
+
+ for ( j = 0; j <= rows; j ++ ) {
+
+ if ( j === 0 && i === cols ) {
+
+ v[ i ][ j ] = aj;
+
+ } else {
+
+ v[ i ][ j ] = aj.clone().lerp( bj, j / rows );
+
+ }
+
+ }
+
+ }
+
+ // construct all of the faces
+
+ for ( i = 0; i < cols; i ++ ) {
+
+ for ( j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {
+
+ var k = Math.floor( j / 2 );
+
+ if ( j % 2 === 0 ) {
+
+ pushVertex( v[ i ][ k + 1 ] );
+ pushVertex( v[ i + 1 ][ k ] );
+ pushVertex( v[ i ][ k ] );
+
+ } else {
+
+ pushVertex( v[ i ][ k + 1 ] );
+ pushVertex( v[ i + 1 ][ k + 1 ] );
+ pushVertex( v[ i + 1 ][ k ] );
+
+ }
+
+ }
+
+ }
+
+ }
+
+ function appplyRadius( radius ) {
+
+ var vertex = new Vector3();
+
+ // iterate over the entire buffer and apply the radius to each vertex
+
+ for ( var i = 0; i < vertexBuffer.length; i += 3 ) {
+
+ vertex.x = vertexBuffer[ i + 0 ];
+ vertex.y = vertexBuffer[ i + 1 ];
+ vertex.z = vertexBuffer[ i + 2 ];
+
+ vertex.normalize().multiplyScalar( radius );
+
+ vertexBuffer[ i + 0 ] = vertex.x;
+ vertexBuffer[ i + 1 ] = vertex.y;
+ vertexBuffer[ i + 2 ] = vertex.z;
+
+ }
+
+ }
+
+ function generateUVs() {
+
+ var vertex = new Vector3();
+
+ for ( var i = 0; i < vertexBuffer.length; i += 3 ) {
+
+ vertex.x = vertexBuffer[ i + 0 ];
+ vertex.y = vertexBuffer[ i + 1 ];
+ vertex.z = vertexBuffer[ i + 2 ];
+
+ var u = azimuth( vertex ) / 2 / Math.PI + 0.5;
+ var v = inclination( vertex ) / Math.PI + 0.5;
+ uvBuffer.push( u, 1 - v );
+
+ }
+
+ correctUVs();
+
+ correctSeam();
+
+ }
+
+ function correctSeam() {
+
+ // handle case when face straddles the seam, see #3269
+
+ for ( var i = 0; i < uvBuffer.length; i += 6 ) {
+
+ // uv data of a single face
+
+ var x0 = uvBuffer[ i + 0 ];
+ var x1 = uvBuffer[ i + 2 ];
+ var x2 = uvBuffer[ i + 4 ];
+
+ var max = Math.max( x0, x1, x2 );
+ var min = Math.min( x0, x1, x2 );
+
+ // 0.9 is somewhat arbitrary
+
+ if ( max > 0.9 && min < 0.1 ) {
+
+ if ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;
+ if ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;
+ if ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;
+
+ }
+
+ }
+
+ }
+
+ function pushVertex( vertex ) {
+
+ vertexBuffer.push( vertex.x, vertex.y, vertex.z );
+
+ }
+
+ function getVertexByIndex( index, vertex ) {
+
+ var stride = index * 3;
+
+ vertex.x = vertices[ stride + 0 ];
+ vertex.y = vertices[ stride + 1 ];
+ vertex.z = vertices[ stride + 2 ];
+
+ }
+
+ function correctUVs() {
+
+ var a = new Vector3();
+ var b = new Vector3();
+ var c = new Vector3();
+
+ var centroid = new Vector3();
+
+ var uvA = new Vector2();
+ var uvB = new Vector2();
+ var uvC = new Vector2();
+
+ for ( var i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {
+
+ a.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );
+ b.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );
+ c.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );
+
+ uvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );
+ uvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );
+ uvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );
+
+ centroid.copy( a ).add( b ).add( c ).divideScalar( 3 );
+
+ var azi = azimuth( centroid );
+
+ correctUV( uvA, j + 0, a, azi );
+ correctUV( uvB, j + 2, b, azi );
+ correctUV( uvC, j + 4, c, azi );
+
+ }
+
+ }
+
+ function correctUV( uv, stride, vector, azimuth ) {
+
+ if ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {
+
+ uvBuffer[ stride ] = uv.x - 1;
+
+ }
+
+ if ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {
+
+ uvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;
+
+ }
+
+ }
+
+ // Angle around the Y axis, counter-clockwise when looking from above.
+
+ function azimuth( vector ) {
+
+ return Math.atan2( vector.z, - vector.x );
+
+ }
+
+
+ // Angle above the XZ plane.
+
+ function inclination( vector ) {
+
+ return Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );
+
+ }
+
+ }
+
+ PolyhedronBufferGeometry.prototype = Object.create( BufferGeometry.prototype );
+ PolyhedronBufferGeometry.prototype.constructor = PolyhedronBufferGeometry;
+
+ /**
+ * @author timothypratley / https://github.com/timothypratley
+ * @author Mugen87 / https://github.com/Mugen87
+ */
+
+ // TetrahedronGeometry
+
+ function TetrahedronGeometry( radius, detail ) {
+
+ Geometry.call( this );
+
+ this.type = 'TetrahedronGeometry';
+
+ this.parameters = {
+ radius: radius,
+ detail: detail
+ };
+
+ this.fromBufferGeometry( new TetrahedronBufferGeometry( radius, detail ) );
+ this.mergeVertices();
+
+ }
+
+ TetrahedronGeometry.prototype = Object.create( Geometry.prototype );
+ TetrahedronGeometry.prototype.constructor = TetrahedronGeometry;
+
+ // TetrahedronBufferGeometry
+
+ function TetrahedronBufferGeometry( radius, detail ) {
+
+ var vertices = [
+ 1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1
+ ];
+
+ var indices = [
+ 2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1
+ ];
+
+ PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );
+
+ this.type = 'TetrahedronBufferGeometry';
+
+ this.parameters = {
+ radius: radius,
+ detail: detail
+ };
+
+ }
+
+ TetrahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );
+ TetrahedronBufferGeometry.prototype.constructor = TetrahedronBufferGeometry;
+
+ /**
+ * @author timothypratley / https://github.com/timothypratley
+ * @author Mugen87 / https://github.com/Mugen87
+ */
+
+ // OctahedronGeometry
+
+ function OctahedronGeometry( radius, detail ) {
+
+ Geometry.call( this );
+
+ this.type = 'OctahedronGeometry';
+
+ this.parameters = {
+ radius: radius,
+ detail: detail
+ };
+
+ this.fromBufferGeometry( new OctahedronBufferGeometry( radius, detail ) );
+ this.mergeVertices();
+
+ }
+
+ OctahedronGeometry.prototype = Object.create( Geometry.prototype );
+ OctahedronGeometry.prototype.constructor = OctahedronGeometry;
+
+ // OctahedronBufferGeometry
+
+ function OctahedronBufferGeometry( radius, detail ) {
+
+ var vertices = [
+ 1, 0, 0, - 1, 0, 0, 0, 1, 0,
+ 0, - 1, 0, 0, 0, 1, 0, 0, - 1
+ ];
+
+ var indices = [
+ 0, 2, 4, 0, 4, 3, 0, 3, 5,
+ 0, 5, 2, 1, 2, 5, 1, 5, 3,
+ 1, 3, 4, 1, 4, 2
+ ];
+
+ PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );
+
+ this.type = 'OctahedronBufferGeometry';
+
+ this.parameters = {
+ radius: radius,
+ detail: detail
+ };
+
+ }
+
+ OctahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );
+ OctahedronBufferGeometry.prototype.constructor = OctahedronBufferGeometry;
+
+ /**
+ * @author timothypratley / https://github.com/timothypratley
+ * @author Mugen87 / https://github.com/Mugen87
+ */
+
+ // IcosahedronGeometry
+
+ function IcosahedronGeometry( radius, detail ) {
+
+ Geometry.call( this );
+
+ this.type = 'IcosahedronGeometry';
+
+ this.parameters = {
+ radius: radius,
+ detail: detail
+ };
+
+ this.fromBufferGeometry( new IcosahedronBufferGeometry( radius, detail ) );
+ this.mergeVertices();
+
+ }
+
+ IcosahedronGeometry.prototype = Object.create( Geometry.prototype );
+ IcosahedronGeometry.prototype.constructor = IcosahedronGeometry;
+
+ // IcosahedronBufferGeometry
+
+ function IcosahedronBufferGeometry( radius, detail ) {
+
+ var t = ( 1 + Math.sqrt( 5 ) ) / 2;
+
+ var vertices = [
+ - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0,
+ 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t,
+ t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1
+ ];
+
+ var indices = [
+ 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11,
+ 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8,
+ 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9,
+ 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1
+ ];
+
+ PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );
+
+ this.type = 'IcosahedronBufferGeometry';
+
+ this.parameters = {
+ radius: radius,
+ detail: detail
+ };
+
+ }
+
+ IcosahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );
+ IcosahedronBufferGeometry.prototype.constructor = IcosahedronBufferGeometry;
+
+ /**
+ * @author Abe Pazos / https://hamoid.com
+ * @author Mugen87 / https://github.com/Mugen87
+ */
+
+ // DodecahedronGeometry
+
+ function DodecahedronGeometry( radius, detail ) {
+
+ Geometry.call( this );
+
+ this.type = 'DodecahedronGeometry';
+
+ this.parameters = {
+ radius: radius,
+ detail: detail
+ };
+
+ this.fromBufferGeometry( new DodecahedronBufferGeometry( radius, detail ) );
+ this.mergeVertices();
+
+ }
+
+ DodecahedronGeometry.prototype = Object.create( Geometry.prototype );
+ DodecahedronGeometry.prototype.constructor = DodecahedronGeometry;
+
+ // DodecahedronBufferGeometry
+
+ function DodecahedronBufferGeometry( radius, detail ) {
+
+ var t = ( 1 + Math.sqrt( 5 ) ) / 2;
+ var r = 1 / t;
+
+ var vertices = [
+
+ // (±1, ±1, ±1)
+ - 1, - 1, - 1, - 1, - 1, 1,
+ - 1, 1, - 1, - 1, 1, 1,
+ 1, - 1, - 1, 1, - 1, 1,
+ 1, 1, - 1, 1, 1, 1,
+
+ // (0, ±1/φ, ±φ)
+ 0, - r, - t, 0, - r, t,
+ 0, r, - t, 0, r, t,
+
+ // (±1/φ, ±φ, 0)
+ - r, - t, 0, - r, t, 0,
+ r, - t, 0, r, t, 0,
+
+ // (±φ, 0, ±1/φ)
+ - t, 0, - r, t, 0, - r,
+ - t, 0, r, t, 0, r
+ ];
+
+ var indices = [
+ 3, 11, 7, 3, 7, 15, 3, 15, 13,
+ 7, 19, 17, 7, 17, 6, 7, 6, 15,
+ 17, 4, 8, 17, 8, 10, 17, 10, 6,
+ 8, 0, 16, 8, 16, 2, 8, 2, 10,
+ 0, 12, 1, 0, 1, 18, 0, 18, 16,
+ 6, 10, 2, 6, 2, 13, 6, 13, 15,
+ 2, 16, 18, 2, 18, 3, 2, 3, 13,
+ 18, 1, 9, 18, 9, 11, 18, 11, 3,
+ 4, 14, 12, 4, 12, 0, 4, 0, 8,
+ 11, 9, 5, 11, 5, 19, 11, 19, 7,
+ 19, 5, 14, 19, 14, 4, 19, 4, 17,
+ 1, 12, 14, 1, 14, 5, 1, 5, 9
+ ];
+
+ PolyhedronBufferGeometry.call( this, vertices, indices, radius, detail );
+
+ this.type = 'DodecahedronBufferGeometry';
+
+ this.parameters = {
+ radius: radius,
+ detail: detail
+ };
+
+ }
+
+ DodecahedronBufferGeometry.prototype = Object.create( PolyhedronBufferGeometry.prototype );
+ DodecahedronBufferGeometry.prototype.constructor = DodecahedronBufferGeometry;
+
+ /**
+ * @author oosmoxiecode / https://github.com/oosmoxiecode
+ * @author WestLangley / https://github.com/WestLangley
+ * @author zz85 / https://github.com/zz85
+ * @author miningold / https://github.com/miningold
+ * @author jonobr1 / https://github.com/jonobr1
+ * @author Mugen87 / https://github.com/Mugen87
+ *
+ */
+
+ // TubeGeometry
+
+ function TubeGeometry( path, tubularSegments, radius, radialSegments, closed, taper ) {
+
+ Geometry.call( this );
+
+ this.type = 'TubeGeometry';
+
+ this.parameters = {
+ path: path,
+ tubularSegments: tubularSegments,
+ radius: radius,
+ radialSegments: radialSegments,
+ closed: closed
+ };
+
+ if ( taper !== undefined ) console.warn( 'THREE.TubeGeometry: taper has been removed.' );
+
+ var bufferGeometry = new TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed );
+
+ // expose internals
+
+ this.tangents = bufferGeometry.tangents;
+ this.normals = bufferGeometry.normals;
+ this.binormals = bufferGeometry.binormals;
+
+ // create geometry
+
+ this.fromBufferGeometry( bufferGeometry );
+ this.mergeVertices();
+
+ }
+
+ TubeGeometry.prototype = Object.create( Geometry.prototype );
+ TubeGeometry.prototype.constructor = TubeGeometry;
+
+ // TubeBufferGeometry
+
+ function TubeBufferGeometry( path, tubularSegments, radius, radialSegments, closed ) {
+
+ BufferGeometry.call( this );
+
+ this.type = 'TubeBufferGeometry';
+
+ this.parameters = {
+ path: path,
+ tubularSegments: tubularSegments,
+ radius: radius,
+ radialSegments: radialSegments,
+ closed: closed
+ };
+
+ tubularSegments = tubularSegments || 64;
+ radius = radius || 1;
+ radialSegments = radialSegments || 8;
+ closed = closed || false;
+
+ var frames = path.computeFrenetFrames( tubularSegments, closed );
+
+ // expose internals
+
+ this.tangents = frames.tangents;
+ this.normals = frames.normals;
+ this.binormals = frames.binormals;
+
+ // helper variables
+
+ var vertex = new Vector3();
+ var normal = new Vector3();
+ var uv = new Vector2();
+ var P = new Vector3();
+
+ var i, j;
+
+ // buffer
+
+ var vertices = [];
+ var normals = [];
+ var uvs = [];
+ var indices = [];
+
+ // create buffer data
+
+ generateBufferData();
+
+ // build geometry
+
+ this.setIndex( indices );
+ this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+ this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );
+ this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );
+
+ // functions
+
+ function generateBufferData() {
+
+ for ( i = 0; i < tubularSegments; i ++ ) {
+
+ generateSegment( i );
+
+ }
+
+ // if the geometry is not closed, generate the last row of vertices and normals
+ // at the regular position on the given path
+ //
+ // if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)
+
+ generateSegment( ( closed === false ) ? tubularSegments : 0 );
+
+ // uvs are generated in a separate function.
+ // this makes it easy compute correct values for closed geometries
+
+ generateUVs();
+
+ // finally create faces
+
+ generateIndices();
+
+ }
+
+ function generateSegment( i ) {
+
+ // we use getPointAt to sample evenly distributed points from the given path
+
+ P = path.getPointAt( i / tubularSegments, P );
+
+ // retrieve corresponding normal and binormal
+
+ var N = frames.normals[ i ];
+ var B = frames.binormals[ i ];
+
+ // generate normals and vertices for the current segment
+
+ for ( j = 0; j <= radialSegments; j ++ ) {
+
+ var v = j / radialSegments * Math.PI * 2;
+
+ var sin = Math.sin( v );
+ var cos = - Math.cos( v );
+
+ // normal
+
+ normal.x = ( cos * N.x + sin * B.x );
+ normal.y = ( cos * N.y + sin * B.y );
+ normal.z = ( cos * N.z + sin * B.z );
+ normal.normalize();
+
+ normals.push( normal.x, normal.y, normal.z );
+
+ // vertex
+
+ vertex.x = P.x + radius * normal.x;
+ vertex.y = P.y + radius * normal.y;
+ vertex.z = P.z + radius * normal.z;
+
+ vertices.push( vertex.x, vertex.y, vertex.z );
+
+ }
+
+ }
+
+ function generateIndices() {
+
+ for ( j = 1; j <= tubularSegments; j ++ ) {
+
+ for ( i = 1; i <= radialSegments; i ++ ) {
+
+ var a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );
+ var b = ( radialSegments + 1 ) * j + ( i - 1 );
+ var c = ( radialSegments + 1 ) * j + i;
+ var d = ( radialSegments + 1 ) * ( j - 1 ) + i;
+
+ // faces
+
+ indices.push( a, b, d );
+ indices.push( b, c, d );
+
+ }
+
+ }
+
+ }
+
+ function generateUVs() {
+
+ for ( i = 0; i <= tubularSegments; i ++ ) {
+
+ for ( j = 0; j <= radialSegments; j ++ ) {
+
+ uv.x = i / tubularSegments;
+ uv.y = j / radialSegments;
+
+ uvs.push( uv.x, uv.y );
+
+ }
+
+ }
+
+ }
+
+ }
+
+ TubeBufferGeometry.prototype = Object.create( BufferGeometry.prototype );
+ TubeBufferGeometry.prototype.constructor = TubeBufferGeometry;
+
+ /**
+ * @author oosmoxiecode
+ * @author Mugen87 / https://github.com/Mugen87
+ *
+ * based on http://www.blackpawn.com/texts/pqtorus/
+ */
+
+ // TorusKnotGeometry
+
+ function TorusKnotGeometry( radius, tube, tubularSegments, radialSegments, p, q, heightScale ) {
+
+ Geometry.call( this );
+
+ this.type = 'TorusKnotGeometry';
+
+ this.parameters = {
+ radius: radius,
+ tube: tube,
+ tubularSegments: tubularSegments,
+ radialSegments: radialSegments,
+ p: p,
+ q: q
+ };
+
+ if ( heightScale !== undefined ) console.warn( 'THREE.TorusKnotGeometry: heightScale has been deprecated. Use .scale( x, y, z ) instead.' );
+
+ this.fromBufferGeometry( new TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) );
+ this.mergeVertices();
+
+ }
+
+ TorusKnotGeometry.prototype = Object.create( Geometry.prototype );
+ TorusKnotGeometry.prototype.constructor = TorusKnotGeometry;
+
+ // TorusKnotBufferGeometry
+
+ function TorusKnotBufferGeometry( radius, tube, tubularSegments, radialSegments, p, q ) {
+
+ BufferGeometry.call( this );
+
+ this.type = 'TorusKnotBufferGeometry';
+
+ this.parameters = {
+ radius: radius,
+ tube: tube,
+ tubularSegments: tubularSegments,
+ radialSegments: radialSegments,
+ p: p,
+ q: q
+ };
+
+ radius = radius || 1;
+ tube = tube || 0.4;
+ tubularSegments = Math.floor( tubularSegments ) || 64;
+ radialSegments = Math.floor( radialSegments ) || 8;
+ p = p || 2;
+ q = q || 3;
+
+ // buffers
+
+ var indices = [];
+ var vertices = [];
+ var normals = [];
+ var uvs = [];
+
+ // helper variables
+
+ var i, j;
+
+ var vertex = new Vector3();
+ var normal = new Vector3();
+
+ var P1 = new Vector3();
+ var P2 = new Vector3();
+
+ var B = new Vector3();
+ var T = new Vector3();
+ var N = new Vector3();
+
+ // generate vertices, normals and uvs
+
+ for ( i = 0; i <= tubularSegments; ++ i ) {
+
+ // the radian "u" is used to calculate the position on the torus curve of the current tubular segement
+
+ var u = i / tubularSegments * p * Math.PI * 2;
+
+ // now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.
+ // these points are used to create a special "coordinate space", which is necessary to calculate the correct vertex positions
+
+ calculatePositionOnCurve( u, p, q, radius, P1 );
+ calculatePositionOnCurve( u + 0.01, p, q, radius, P2 );
+
+ // calculate orthonormal basis
+
+ T.subVectors( P2, P1 );
+ N.addVectors( P2, P1 );
+ B.crossVectors( T, N );
+ N.crossVectors( B, T );
+
+ // normalize B, N. T can be ignored, we don't use it
+
+ B.normalize();
+ N.normalize();
+
+ for ( j = 0; j <= radialSegments; ++ j ) {
+
+ // now calculate the vertices. they are nothing more than an extrusion of the torus curve.
+ // because we extrude a shape in the xy-plane, there is no need to calculate a z-value.
+
+ var v = j / radialSegments * Math.PI * 2;
+ var cx = - tube * Math.cos( v );
+ var cy = tube * Math.sin( v );
+
+ // now calculate the final vertex position.
+ // first we orient the extrusion with our basis vectos, then we add it to the current position on the curve
+
+ vertex.x = P1.x + ( cx * N.x + cy * B.x );
+ vertex.y = P1.y + ( cx * N.y + cy * B.y );
+ vertex.z = P1.z + ( cx * N.z + cy * B.z );
+
+ vertices.push( vertex.x, vertex.y, vertex.z );
+
+ // normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)
+
+ normal.subVectors( vertex, P1 ).normalize();
+
+ normals.push( normal.x, normal.y, normal.z );
+
+ // uv
+
+ uvs.push( i / tubularSegments );
+ uvs.push( j / radialSegments );
+
+ }
+
+ }
+
+ // generate indices
+
+ for ( j = 1; j <= tubularSegments; j ++ ) {
+
+ for ( i = 1; i <= radialSegments; i ++ ) {
+
+ // indices
+
+ var a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );
+ var b = ( radialSegments + 1 ) * j + ( i - 1 );
+ var c = ( radialSegments + 1 ) * j + i;
+ var d = ( radialSegments + 1 ) * ( j - 1 ) + i;
+
+ // faces
+
+ indices.push( a, b, d );
+ indices.push( b, c, d );
+
+ }
+
+ }
+
+ // build geometry
+
+ this.setIndex( indices );
+ this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+ this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );
+ this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );
+
+ // this function calculates the current position on the torus curve
+
+ function calculatePositionOnCurve( u, p, q, radius, position ) {
+
+ var cu = Math.cos( u );
+ var su = Math.sin( u );
+ var quOverP = q / p * u;
+ var cs = Math.cos( quOverP );
+
+ position.x = radius * ( 2 + cs ) * 0.5 * cu;
+ position.y = radius * ( 2 + cs ) * su * 0.5;
+ position.z = radius * Math.sin( quOverP ) * 0.5;
+
+ }
+
+ }
+
+ TorusKnotBufferGeometry.prototype = Object.create( BufferGeometry.prototype );
+ TorusKnotBufferGeometry.prototype.constructor = TorusKnotBufferGeometry;
+
+ /**
+ * @author oosmoxiecode
+ * @author mrdoob / http://mrdoob.com/
+ * @author Mugen87 / https://github.com/Mugen87
+ */
+
+ // TorusGeometry
+
+ function TorusGeometry( radius, tube, radialSegments, tubularSegments, arc ) {
+
+ Geometry.call( this );
+
+ this.type = 'TorusGeometry';
+
+ this.parameters = {
+ radius: radius,
+ tube: tube,
+ radialSegments: radialSegments,
+ tubularSegments: tubularSegments,
+ arc: arc
+ };
+
+ this.fromBufferGeometry( new TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) );
+ this.mergeVertices();
+
+ }
+
+ TorusGeometry.prototype = Object.create( Geometry.prototype );
+ TorusGeometry.prototype.constructor = TorusGeometry;
+
+ // TorusBufferGeometry
+
+ function TorusBufferGeometry( radius, tube, radialSegments, tubularSegments, arc ) {
+
+ BufferGeometry.call( this );
+
+ this.type = 'TorusBufferGeometry';
+
+ this.parameters = {
+ radius: radius,
+ tube: tube,
+ radialSegments: radialSegments,
+ tubularSegments: tubularSegments,
+ arc: arc
+ };
+
+ radius = radius || 1;
+ tube = tube || 0.4;
+ radialSegments = Math.floor( radialSegments ) || 8;
+ tubularSegments = Math.floor( tubularSegments ) || 6;
+ arc = arc || Math.PI * 2;
+
+ // buffers
+
+ var indices = [];
+ var vertices = [];
+ var normals = [];
+ var uvs = [];
+
+ // helper variables
+
+ var center = new Vector3();
+ var vertex = new Vector3();
+ var normal = new Vector3();
+
+ var j, i;
+
+ // generate vertices, normals and uvs
+
+ for ( j = 0; j <= radialSegments; j ++ ) {
+
+ for ( i = 0; i <= tubularSegments; i ++ ) {
+
+ var u = i / tubularSegments * arc;
+ var v = j / radialSegments * Math.PI * 2;
+
+ // vertex
+
+ vertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );
+ vertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );
+ vertex.z = tube * Math.sin( v );
+
+ vertices.push( vertex.x, vertex.y, vertex.z );
+
+ // normal
+
+ center.x = radius * Math.cos( u );
+ center.y = radius * Math.sin( u );
+ normal.subVectors( vertex, center ).normalize();
+
+ normals.push( normal.x, normal.y, normal.z );
+
+ // uv
+
+ uvs.push( i / tubularSegments );
+ uvs.push( j / radialSegments );
+
+ }
+
+ }
+
+ // generate indices
+
+ for ( j = 1; j <= radialSegments; j ++ ) {
+
+ for ( i = 1; i <= tubularSegments; i ++ ) {
+
+ // indices
+
+ var a = ( tubularSegments + 1 ) * j + i - 1;
+ var b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;
+ var c = ( tubularSegments + 1 ) * ( j - 1 ) + i;
+ var d = ( tubularSegments + 1 ) * j + i;
+
+ // faces
+
+ indices.push( a, b, d );
+ indices.push( b, c, d );
+
+ }
+
+ }
+
+ // build geometry
+
+ this.setIndex( indices );
+ this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+ this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );
+ this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );
+
+ }
+
+ TorusBufferGeometry.prototype = Object.create( BufferGeometry.prototype );
+ TorusBufferGeometry.prototype.constructor = TorusBufferGeometry;
+
+ /**
+ * @author Mugen87 / https://github.com/Mugen87
+ * Port from https://github.com/mapbox/earcut (v2.1.2)
+ */
+
+ var Earcut = {
+
+ triangulate: function ( data, holeIndices, dim ) {
+
+ dim = dim || 2;
+
+ var hasHoles = holeIndices && holeIndices.length,
+ outerLen = hasHoles ? holeIndices[ 0 ] * dim : data.length,
+ outerNode = linkedList( data, 0, outerLen, dim, true ),
+ triangles = [];
+
+ if ( ! outerNode ) return triangles;
+
+ var minX, minY, maxX, maxY, x, y, invSize;
+
+ if ( hasHoles ) outerNode = eliminateHoles( data, holeIndices, outerNode, dim );
+
+ // if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox
+
+ if ( data.length > 80 * dim ) {
+
+ minX = maxX = data[ 0 ];
+ minY = maxY = data[ 1 ];
+
+ for ( var i = dim; i < outerLen; i += dim ) {
+
+ x = data[ i ];
+ y = data[ i + 1 ];
+ if ( x < minX ) minX = x;
+ if ( y < minY ) minY = y;
+ if ( x > maxX ) maxX = x;
+ if ( y > maxY ) maxY = y;
+
+ }
+
+ // minX, minY and invSize are later used to transform coords into integers for z-order calculation
+
+ invSize = Math.max( maxX - minX, maxY - minY );
+ invSize = invSize !== 0 ? 1 / invSize : 0;
+
+ }
+
+ earcutLinked( outerNode, triangles, dim, minX, minY, invSize );
+
+ return triangles;
+
+ }
+
+ };
+
+ // create a circular doubly linked list from polygon points in the specified winding order
+
+ function linkedList( data, start, end, dim, clockwise ) {
+
+ var i, last;
+
+ if ( clockwise === ( signedArea( data, start, end, dim ) > 0 ) ) {
+
+ for ( i = start; i < end; i += dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );
+
+ } else {
+
+ for ( i = end - dim; i >= start; i -= dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );
+
+ }
+
+ if ( last && equals( last, last.next ) ) {
+
+ removeNode( last );
+ last = last.next;
+
+ }
+
+ return last;
+
+ }
+
+ // eliminate colinear or duplicate points
+
+ function filterPoints( start, end ) {
+
+ if ( ! start ) return start;
+ if ( ! end ) end = start;
+
+ var p = start, again;
+
+ do {
+
+ again = false;
+
+ if ( ! p.steiner && ( equals( p, p.next ) || area( p.prev, p, p.next ) === 0 ) ) {
+
+ removeNode( p );
+ p = end = p.prev;
+ if ( p === p.next ) break;
+ again = true;
+
+ } else {
+
+ p = p.next;
+
+ }
+
+ } while ( again || p !== end );
+
+ return end;
+
+ }
+
+ // main ear slicing loop which triangulates a polygon (given as a linked list)
+
+ function earcutLinked( ear, triangles, dim, minX, minY, invSize, pass ) {
+
+ if ( ! ear ) return;
+
+ // interlink polygon nodes in z-order
+
+ if ( ! pass && invSize ) indexCurve( ear, minX, minY, invSize );
+
+ var stop = ear, prev, next;
+
+ // iterate through ears, slicing them one by one
+
+ while ( ear.prev !== ear.next ) {
+
+ prev = ear.prev;
+ next = ear.next;
+
+ if ( invSize ? isEarHashed( ear, minX, minY, invSize ) : isEar( ear ) ) {
+
+ // cut off the triangle
+ triangles.push( prev.i / dim );
+ triangles.push( ear.i / dim );
+ triangles.push( next.i / dim );
+
+ removeNode( ear );
+
+ // skipping the next vertice leads to less sliver triangles
+ ear = next.next;
+ stop = next.next;
+
+ continue;
+
+ }
+
+ ear = next;
+
+ // if we looped through the whole remaining polygon and can't find any more ears
+
+ if ( ear === stop ) {
+
+ // try filtering points and slicing again
+
+ if ( ! pass ) {
+
+ earcutLinked( filterPoints( ear ), triangles, dim, minX, minY, invSize, 1 );
+
+ // if this didn't work, try curing all small self-intersections locally
+
+ } else if ( pass === 1 ) {
+
+ ear = cureLocalIntersections( ear, triangles, dim );
+ earcutLinked( ear, triangles, dim, minX, minY, invSize, 2 );
+
+ // as a last resort, try splitting the remaining polygon into two
+
+ } else if ( pass === 2 ) {
+
+ splitEarcut( ear, triangles, dim, minX, minY, invSize );
+
+ }
+
+ break;
+
+ }
+
+ }
+
+ }
+
+ // check whether a polygon node forms a valid ear with adjacent nodes
+
+ function isEar( ear ) {
+
+ var a = ear.prev,
+ b = ear,
+ c = ear.next;
+
+ if ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear
+
+ // now make sure we don't have other points inside the potential ear
+ var p = ear.next.next;
+
+ while ( p !== ear.prev ) {
+
+ if ( pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) && area( p.prev, p, p.next ) >= 0 ) {
+
+ return false;
+
+ }
+
+ p = p.next;
+
+ }
+
+ return true;
+
+ }
+
+ function isEarHashed( ear, minX, minY, invSize ) {
+
+ var a = ear.prev,
+ b = ear,
+ c = ear.next;
+
+ if ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear
+
+ // triangle bbox; min & max are calculated like this for speed
+
+ var minTX = a.x < b.x ? ( a.x < c.x ? a.x : c.x ) : ( b.x < c.x ? b.x : c.x ),
+ minTY = a.y < b.y ? ( a.y < c.y ? a.y : c.y ) : ( b.y < c.y ? b.y : c.y ),
+ maxTX = a.x > b.x ? ( a.x > c.x ? a.x : c.x ) : ( b.x > c.x ? b.x : c.x ),
+ maxTY = a.y > b.y ? ( a.y > c.y ? a.y : c.y ) : ( b.y > c.y ? b.y : c.y );
+
+ // z-order range for the current triangle bbox;
+
+ var minZ = zOrder( minTX, minTY, minX, minY, invSize ),
+ maxZ = zOrder( maxTX, maxTY, minX, minY, invSize );
+
+ // first look for points inside the triangle in increasing z-order
+
+ var p = ear.nextZ;
+
+ while ( p && p.z <= maxZ ) {
+
+ if ( p !== ear.prev && p !== ear.next &&
+ pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&
+ area( p.prev, p, p.next ) >= 0 ) return false;
+ p = p.nextZ;
+
+ }
+
+ // then look for points in decreasing z-order
+
+ p = ear.prevZ;
+
+ while ( p && p.z >= minZ ) {
+
+ if ( p !== ear.prev && p !== ear.next &&
+ pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&
+ area( p.prev, p, p.next ) >= 0 ) return false;
+
+ p = p.prevZ;
+
+ }
+
+ return true;
+
+ }
+
+ // go through all polygon nodes and cure small local self-intersections
+
+ function cureLocalIntersections( start, triangles, dim ) {
+
+ var p = start;
+
+ do {
+
+ var a = p.prev, b = p.next.next;
+
+ if ( ! equals( a, b ) && intersects( a, p, p.next, b ) && locallyInside( a, b ) && locallyInside( b, a ) ) {
+
+ triangles.push( a.i / dim );
+ triangles.push( p.i / dim );
+ triangles.push( b.i / dim );
+
+ // remove two nodes involved
+
+ removeNode( p );
+ removeNode( p.next );
+
+ p = start = b;
+
+ }
+
+ p = p.next;
+
+ } while ( p !== start );
+
+ return p;
+
+ }
+
+ // try splitting polygon into two and triangulate them independently
+
+ function splitEarcut( start, triangles, dim, minX, minY, invSize ) {
+
+ // look for a valid diagonal that divides the polygon into two
+
+ var a = start;
+
+ do {
+
+ var b = a.next.next;
+
+ while ( b !== a.prev ) {
+
+ if ( a.i !== b.i && isValidDiagonal( a, b ) ) {
+
+ // split the polygon in two by the diagonal
+
+ var c = splitPolygon( a, b );
+
+ // filter colinear points around the cuts
+
+ a = filterPoints( a, a.next );
+ c = filterPoints( c, c.next );
+
+ // run earcut on each half
+
+ earcutLinked( a, triangles, dim, minX, minY, invSize );
+ earcutLinked( c, triangles, dim, minX, minY, invSize );
+ return;
+
+ }
+
+ b = b.next;
+
+ }
+
+ a = a.next;
+
+ } while ( a !== start );
+
+ }
+
+ // link every hole into the outer loop, producing a single-ring polygon without holes
+
+ function eliminateHoles( data, holeIndices, outerNode, dim ) {
+
+ var queue = [], i, len, start, end, list;
+
+ for ( i = 0, len = holeIndices.length; i < len; i ++ ) {
+
+ start = holeIndices[ i ] * dim;
+ end = i < len - 1 ? holeIndices[ i + 1 ] * dim : data.length;
+ list = linkedList( data, start, end, dim, false );
+ if ( list === list.next ) list.steiner = true;
+ queue.push( getLeftmost( list ) );
+
+ }
+
+ queue.sort( compareX );
+
+ // process holes from left to right
+
+ for ( i = 0; i < queue.length; i ++ ) {
+
+ eliminateHole( queue[ i ], outerNode );
+ outerNode = filterPoints( outerNode, outerNode.next );
+
+ }
+
+ return outerNode;
+
+ }
+
+ function compareX( a, b ) {
+
+ return a.x - b.x;
+
+ }
+
+ // find a bridge between vertices that connects hole with an outer ring and and link it
+
+ function eliminateHole( hole, outerNode ) {
+
+ outerNode = findHoleBridge( hole, outerNode );
+
+ if ( outerNode ) {
+
+ var b = splitPolygon( outerNode, hole );
+
+ filterPoints( b, b.next );
+
+ }
+
+ }
+
+ // David Eberly's algorithm for finding a bridge between hole and outer polygon
+
+ function findHoleBridge( hole, outerNode ) {
+
+ var p = outerNode,
+ hx = hole.x,
+ hy = hole.y,
+ qx = - Infinity,
+ m;
+
+ // find a segment intersected by a ray from the hole's leftmost point to the left;
+ // segment's endpoint with lesser x will be potential connection point
+
+ do {
+
+ if ( hy <= p.y && hy >= p.next.y && p.next.y !== p.y ) {
+
+ var x = p.x + ( hy - p.y ) * ( p.next.x - p.x ) / ( p.next.y - p.y );
+
+ if ( x <= hx && x > qx ) {
+
+ qx = x;
+
+ if ( x === hx ) {
+
+ if ( hy === p.y ) return p;
+ if ( hy === p.next.y ) return p.next;
+
+ }
+
+ m = p.x < p.next.x ? p : p.next;
+
+ }
+
+ }
+
+ p = p.next;
+
+ } while ( p !== outerNode );
+
+ if ( ! m ) return null;
+
+ if ( hx === qx ) return m.prev; // hole touches outer segment; pick lower endpoint
+
+ // look for points inside the triangle of hole point, segment intersection and endpoint;
+ // if there are no points found, we have a valid connection;
+ // otherwise choose the point of the minimum angle with the ray as connection point
+
+ var stop = m,
+ mx = m.x,
+ my = m.y,
+ tanMin = Infinity,
+ tan;
+
+ p = m.next;
+
+ while ( p !== stop ) {
+
+ if ( hx >= p.x && p.x >= mx && hx !== p.x &&
+ pointInTriangle( hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y ) ) {
+
+ tan = Math.abs( hy - p.y ) / ( hx - p.x ); // tangential
+
+ if ( ( tan < tanMin || ( tan === tanMin && p.x > m.x ) ) && locallyInside( p, hole ) ) {
+
+ m = p;
+ tanMin = tan;
+
+ }
+
+ }
+
+ p = p.next;
+
+ }
+
+ return m;
+
+ }
+
+ // interlink polygon nodes in z-order
+
+ function indexCurve( start, minX, minY, invSize ) {
+
+ var p = start;
+
+ do {
+
+ if ( p.z === null ) p.z = zOrder( p.x, p.y, minX, minY, invSize );
+ p.prevZ = p.prev;
+ p.nextZ = p.next;
+ p = p.next;
+
+ } while ( p !== start );
+
+ p.prevZ.nextZ = null;
+ p.prevZ = null;
+
+ sortLinked( p );
+
+ }
+
+ // Simon Tatham's linked list merge sort algorithm
+ // http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html
+
+ function sortLinked( list ) {
+
+ var i, p, q, e, tail, numMerges, pSize, qSize, inSize = 1;
+
+ do {
+
+ p = list;
+ list = null;
+ tail = null;
+ numMerges = 0;
+
+ while ( p ) {
+
+ numMerges ++;
+ q = p;
+ pSize = 0;
+
+ for ( i = 0; i < inSize; i ++ ) {
+
+ pSize ++;
+ q = q.nextZ;
+ if ( ! q ) break;
+
+ }
+
+ qSize = inSize;
+
+ while ( pSize > 0 || ( qSize > 0 && q ) ) {
+
+ if ( pSize !== 0 && ( qSize === 0 || ! q || p.z <= q.z ) ) {
+
+ e = p;
+ p = p.nextZ;
+ pSize --;
+
+ } else {
+
+ e = q;
+ q = q.nextZ;
+ qSize --;
+
+ }
+
+ if ( tail ) tail.nextZ = e;
+ else list = e;
+
+ e.prevZ = tail;
+ tail = e;
+
+ }
+
+ p = q;
+
+ }
+
+ tail.nextZ = null;
+ inSize *= 2;
+
+ } while ( numMerges > 1 );
+
+ return list;
+
+ }
+
+ // z-order of a point given coords and inverse of the longer side of data bbox
+
+ function zOrder( x, y, minX, minY, invSize ) {
+
+ // coords are transformed into non-negative 15-bit integer range
+
+ x = 32767 * ( x - minX ) * invSize;
+ y = 32767 * ( y - minY ) * invSize;
+
+ x = ( x | ( x << 8 ) ) & 0x00FF00FF;
+ x = ( x | ( x << 4 ) ) & 0x0F0F0F0F;
+ x = ( x | ( x << 2 ) ) & 0x33333333;
+ x = ( x | ( x << 1 ) ) & 0x55555555;
+
+ y = ( y | ( y << 8 ) ) & 0x00FF00FF;
+ y = ( y | ( y << 4 ) ) & 0x0F0F0F0F;
+ y = ( y | ( y << 2 ) ) & 0x33333333;
+ y = ( y | ( y << 1 ) ) & 0x55555555;
+
+ return x | ( y << 1 );
+
+ }
+
+ // find the leftmost node of a polygon ring
+
+ function getLeftmost( start ) {
+
+ var p = start, leftmost = start;
+
+ do {
+
+ if ( p.x < leftmost.x ) leftmost = p;
+ p = p.next;
+
+ } while ( p !== start );
+
+ return leftmost;
+
+ }
+
+ // check if a point lies within a convex triangle
+
+ function pointInTriangle( ax, ay, bx, by, cx, cy, px, py ) {
+
+ return ( cx - px ) * ( ay - py ) - ( ax - px ) * ( cy - py ) >= 0 &&
+ ( ax - px ) * ( by - py ) - ( bx - px ) * ( ay - py ) >= 0 &&
+ ( bx - px ) * ( cy - py ) - ( cx - px ) * ( by - py ) >= 0;
+
+ }
+
+ // check if a diagonal between two polygon nodes is valid (lies in polygon interior)
+
+ function isValidDiagonal( a, b ) {
+
+ return a.next.i !== b.i && a.prev.i !== b.i && ! intersectsPolygon( a, b ) &&
+ locallyInside( a, b ) && locallyInside( b, a ) && middleInside( a, b );
+
+ }
+
+ // signed area of a triangle
+
+ function area( p, q, r ) {
+
+ return ( q.y - p.y ) * ( r.x - q.x ) - ( q.x - p.x ) * ( r.y - q.y );
+
+ }
+
+ // check if two points are equal
+
+ function equals( p1, p2 ) {
+
+ return p1.x === p2.x && p1.y === p2.y;
+
+ }
+
+ // check if two segments intersect
+
+ function intersects( p1, q1, p2, q2 ) {
+
+ if ( ( equals( p1, q1 ) && equals( p2, q2 ) ) ||
+ ( equals( p1, q2 ) && equals( p2, q1 ) ) ) return true;
+
+ return area( p1, q1, p2 ) > 0 !== area( p1, q1, q2 ) > 0 &&
+ area( p2, q2, p1 ) > 0 !== area( p2, q2, q1 ) > 0;
+
+ }
+
+ // check if a polygon diagonal intersects any polygon segments
+
+ function intersectsPolygon( a, b ) {
+
+ var p = a;
+
+ do {
+
+ if ( p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i &&
+ intersects( p, p.next, a, b ) ) {
+
+ return true;
+
+ }
+
+ p = p.next;
+
+ } while ( p !== a );
+
+ return false;
+
+ }
+
+ // check if a polygon diagonal is locally inside the polygon
+
+ function locallyInside( a, b ) {
+
+ return area( a.prev, a, a.next ) < 0 ?
+ area( a, b, a.next ) >= 0 && area( a, a.prev, b ) >= 0 :
+ area( a, b, a.prev ) < 0 || area( a, a.next, b ) < 0;
+
+ }
+
+ // check if the middle point of a polygon diagonal is inside the polygon
+
+ function middleInside( a, b ) {
+
+ var p = a,
+ inside = false,
+ px = ( a.x + b.x ) / 2,
+ py = ( a.y + b.y ) / 2;
+
+ do {
+
+ if ( ( ( p.y > py ) !== ( p.next.y > py ) ) && p.next.y !== p.y &&
+ ( px < ( p.next.x - p.x ) * ( py - p.y ) / ( p.next.y - p.y ) + p.x ) ) {
+
+ inside = ! inside;
+
+ }
+
+ p = p.next;
+
+ } while ( p !== a );
+
+ return inside;
+
+ }
+
+ // link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two;
+ // if one belongs to the outer ring and another to a hole, it merges it into a single ring
+
+ function splitPolygon( a, b ) {
+
+ var a2 = new Node( a.i, a.x, a.y ),
+ b2 = new Node( b.i, b.x, b.y ),
+ an = a.next,
+ bp = b.prev;
+
+ a.next = b;
+ b.prev = a;
+
+ a2.next = an;
+ an.prev = a2;
+
+ b2.next = a2;
+ a2.prev = b2;
+
+ bp.next = b2;
+ b2.prev = bp;
+
+ return b2;
+
+ }
+
+ // create a node and optionally link it with previous one (in a circular doubly linked list)
+
+ function insertNode( i, x, y, last ) {
+
+ var p = new Node( i, x, y );
+
+ if ( ! last ) {
+
+ p.prev = p;
+ p.next = p;
+
+ } else {
+
+ p.next = last.next;
+ p.prev = last;
+ last.next.prev = p;
+ last.next = p;
+
+ }
+
+ return p;
+
+ }
+
+ function removeNode( p ) {
+
+ p.next.prev = p.prev;
+ p.prev.next = p.next;
+
+ if ( p.prevZ ) p.prevZ.nextZ = p.nextZ;
+ if ( p.nextZ ) p.nextZ.prevZ = p.prevZ;
+
+ }
+
+ function Node( i, x, y ) {
+
+ // vertice index in coordinates array
+ this.i = i;
+
+ // vertex coordinates
+ this.x = x;
+ this.y = y;
+
+ // previous and next vertice nodes in a polygon ring
+ this.prev = null;
+ this.next = null;
+
+ // z-order curve value
+ this.z = null;
+
+ // previous and next nodes in z-order
+ this.prevZ = null;
+ this.nextZ = null;
+
+ // indicates whether this is a steiner point
+ this.steiner = false;
+
+ }
+
+ function signedArea( data, start, end, dim ) {
+
+ var sum = 0;
+
+ for ( var i = start, j = end - dim; i < end; i += dim ) {
+
+ sum += ( data[ j ] - data[ i ] ) * ( data[ i + 1 ] + data[ j + 1 ] );
+ j = i;
+
+ }
+
+ return sum;
+
+ }
+
+ /**
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ */
+
+ var ShapeUtils = {
+
+ // calculate area of the contour polygon
+
+ area: function ( contour ) {
+
+ var n = contour.length;
+ var a = 0.0;
+
+ for ( var p = n - 1, q = 0; q < n; p = q ++ ) {
+
+ a += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;
+
+ }
+
+ return a * 0.5;
+
+ },
+
+ isClockWise: function ( pts ) {
+
+ return ShapeUtils.area( pts ) < 0;
+
+ },
+
+ triangulateShape: function ( contour, holes ) {
+
+ function removeDupEndPts( points ) {
+
+ var l = points.length;
+
+ if ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {
+
+ points.pop();
+
+ }
+
+ }
+
+ function addContour( vertices, contour ) {
+
+ for ( var i = 0; i < contour.length; i ++ ) {
+
+ vertices.push( contour[ i ].x );
+ vertices.push( contour[ i ].y );
+
+ }
+
+ }
+
+ var vertices = []; // flat array of vertices like [ x0,y0, x1,y1, x2,y2, ... ]
+ var holeIndices = []; // array of hole indices
+ var faces = []; // final array of vertex indices like [ [ a,b,d ], [ b,c,d ] ]
+
+ removeDupEndPts( contour );
+ addContour( vertices, contour );
+
+ //
+
+ var holeIndex = contour.length;
+ holes.forEach( removeDupEndPts );
+
+ for ( i = 0; i < holes.length; i ++ ) {
+
+ holeIndices.push( holeIndex );
+ holeIndex += holes[ i ].length;
+ addContour( vertices, holes[ i ] );
+
+ }
+
+ //
+
+ var triangles = Earcut.triangulate( vertices, holeIndices );
+
+ //
+
+ for ( var i = 0; i < triangles.length; i += 3 ) {
+
+ faces.push( triangles.slice( i, i + 3 ) );
+
+ }
+
+ return faces;
+
+ }
+
+ };
+
+ /**
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ *
+ * Creates extruded geometry from a path shape.
+ *
+ * parameters = {
+ *
+ * curveSegments: <int>, // number of points on the curves
+ * steps: <int>, // number of points for z-side extrusions / used for subdividing segments of extrude spline too
+ * amount: <int>, // Depth to extrude the shape
+ *
+ * bevelEnabled: <bool>, // turn on bevel
+ * bevelThickness: <float>, // how deep into the original shape bevel goes
+ * bevelSize: <float>, // how far from shape outline is bevel
+ * bevelSegments: <int>, // number of bevel layers
+ *
+ * extrudePath: <THREE.Curve> // curve to extrude shape along
+ * frames: <Object> // containing arrays of tangents, normals, binormals
+ *
+ * UVGenerator: <Object> // object that provides UV generator functions
+ *
+ * }
+ */
+
+ // ExtrudeGeometry
+
+ function ExtrudeGeometry( shapes, options ) {
+
+ Geometry.call( this );
+
+ this.type = 'ExtrudeGeometry';
+
+ this.parameters = {
+ shapes: shapes,
+ options: options
+ };
+
+ this.fromBufferGeometry( new ExtrudeBufferGeometry( shapes, options ) );
+ this.mergeVertices();
+
+ }
+
+ ExtrudeGeometry.prototype = Object.create( Geometry.prototype );
+ ExtrudeGeometry.prototype.constructor = ExtrudeGeometry;
+
+ // ExtrudeBufferGeometry
+
+ function ExtrudeBufferGeometry( shapes, options ) {
+
+ if ( typeof ( shapes ) === "undefined" ) {
+
+ return;
+
+ }
+
+ BufferGeometry.call( this );
+
+ this.type = 'ExtrudeBufferGeometry';
+
+ shapes = Array.isArray( shapes ) ? shapes : [ shapes ];
+
+ this.addShapeList( shapes, options );
+
+ this.computeVertexNormals();
+
+ // can't really use automatic vertex normals
+ // as then front and back sides get smoothed too
+ // should do separate smoothing just for sides
+
+ //this.computeVertexNormals();
+
+ //console.log( "took", ( Date.now() - startTime ) );
+
+ }
+
+ ExtrudeBufferGeometry.prototype = Object.create( BufferGeometry.prototype );
+ ExtrudeBufferGeometry.prototype.constructor = ExtrudeBufferGeometry;
+
+ ExtrudeBufferGeometry.prototype.getArrays = function () {
+
+ var positionAttribute = this.getAttribute( "position" );
+ var verticesArray = positionAttribute ? Array.prototype.slice.call( positionAttribute.array ) : [];
+
+ var uvAttribute = this.getAttribute( "uv" );
+ var uvArray = uvAttribute ? Array.prototype.slice.call( uvAttribute.array ) : [];
+
+ var IndexAttribute = this.index;
+ var indicesArray = IndexAttribute ? Array.prototype.slice.call( IndexAttribute.array ) : [];
+
+ return {
+ position: verticesArray,
+ uv: uvArray,
+ index: indicesArray
+ };
+
+ };
+
+ ExtrudeBufferGeometry.prototype.addShapeList = function ( shapes, options ) {
+
+ var sl = shapes.length;
+ options.arrays = this.getArrays();
+
+ for ( var s = 0; s < sl; s ++ ) {
+
+ var shape = shapes[ s ];
+ this.addShape( shape, options );
+
+ }
+
+ this.setIndex( options.arrays.index );
+ this.addAttribute( 'position', new Float32BufferAttribute( options.arrays.position, 3 ) );
+ this.addAttribute( 'uv', new Float32BufferAttribute( options.arrays.uv, 2 ) );
+
+ };
+
+ ExtrudeBufferGeometry.prototype.addShape = function ( shape, options ) {
+
+ var arrays = options.arrays ? options.arrays : this.getArrays();
+ var verticesArray = arrays.position;
+ var indicesArray = arrays.index;
+ var uvArray = arrays.uv;
+
+ var placeholder = [];
+
+
+ var amount = options.amount !== undefined ? options.amount : 100;
+
+ var bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6; // 10
+ var bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2; // 8
+ var bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;
+
+ var bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; // false
+
+ var curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;
+
+ var steps = options.steps !== undefined ? options.steps : 1;
+
+ var extrudePath = options.extrudePath;
+ var extrudePts, extrudeByPath = false;
+
+ // Use default WorldUVGenerator if no UV generators are specified.
+ var uvgen = options.UVGenerator !== undefined ? options.UVGenerator : ExtrudeGeometry.WorldUVGenerator;
+
+ var splineTube, binormal, normal, position2;
+ if ( extrudePath ) {
+
+ extrudePts = extrudePath.getSpacedPoints( steps );
+
+ extrudeByPath = true;
+ bevelEnabled = false; // bevels not supported for path extrusion
+
+ // SETUP TNB variables
+
+ // TODO1 - have a .isClosed in spline?
+
+ splineTube = options.frames !== undefined ? options.frames : extrudePath.computeFrenetFrames( steps, false );
+
+ // console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);
+
+ binormal = new Vector3();
+ normal = new Vector3();
+ position2 = new Vector3();
+
+ }
+
+ // Safeguards if bevels are not enabled
+
+ if ( ! bevelEnabled ) {
+
+ bevelSegments = 0;
+ bevelThickness = 0;
+ bevelSize = 0;
+
+ }
+
+ // Variables initialization
+
+ var ahole, h, hl; // looping of holes
+ var scope = this;
+
+ var shapePoints = shape.extractPoints( curveSegments );
+
+ var vertices = shapePoints.shape;
+ var holes = shapePoints.holes;
+
+ var reverse = ! ShapeUtils.isClockWise( vertices );
+
+ if ( reverse ) {
+
+ vertices = vertices.reverse();
+
+ // Maybe we should also check if holes are in the opposite direction, just to be safe ...
+
+ for ( h = 0, hl = holes.length; h < hl; h ++ ) {
+
+ ahole = holes[ h ];
+
+ if ( ShapeUtils.isClockWise( ahole ) ) {
+
+ holes[ h ] = ahole.reverse();
+
+ }
+
+ }
+
+ }
+
+
+ var faces = ShapeUtils.triangulateShape( vertices, holes );
+
+ /* Vertices */
+
+ var contour = vertices; // vertices has all points but contour has only points of circumference
+
+ for ( h = 0, hl = holes.length; h < hl; h ++ ) {
+
+ ahole = holes[ h ];
+
+ vertices = vertices.concat( ahole );
+
+ }
+
+
+ function scalePt2( pt, vec, size ) {
+
+ if ( ! vec ) console.error( "THREE.ExtrudeGeometry: vec does not exist" );
+
+ return vec.clone().multiplyScalar( size ).add( pt );
+
+ }
+
+ var b, bs, t, z,
+ vert, vlen = vertices.length,
+ face, flen = faces.length;
+
+
+ // Find directions for point movement
+
+
+ function getBevelVec( inPt, inPrev, inNext ) {
+
+ // computes for inPt the corresponding point inPt' on a new contour
+ // shifted by 1 unit (length of normalized vector) to the left
+ // if we walk along contour clockwise, this new contour is outside the old one
+ //
+ // inPt' is the intersection of the two lines parallel to the two
+ // adjacent edges of inPt at a distance of 1 unit on the left side.
+
+ var v_trans_x, v_trans_y, shrink_by; // resulting translation vector for inPt
+
+ // good reading for geometry algorithms (here: line-line intersection)
+ // http://geomalgorithms.com/a05-_intersect-1.html
+
+ var v_prev_x = inPt.x - inPrev.x,
+ v_prev_y = inPt.y - inPrev.y;
+ var v_next_x = inNext.x - inPt.x,
+ v_next_y = inNext.y - inPt.y;
+
+ var v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );
+
+ // check for collinear edges
+ var collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );
+
+ if ( Math.abs( collinear0 ) > Number.EPSILON ) {
+
+ // not collinear
+
+ // length of vectors for normalizing
+
+ var v_prev_len = Math.sqrt( v_prev_lensq );
+ var v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );
+
+ // shift adjacent points by unit vectors to the left
+
+ var ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );
+ var ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );
+
+ var ptNextShift_x = ( inNext.x - v_next_y / v_next_len );
+ var ptNextShift_y = ( inNext.y + v_next_x / v_next_len );
+
+ // scaling factor for v_prev to intersection point
+
+ var sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -
+ ( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /
+ ( v_prev_x * v_next_y - v_prev_y * v_next_x );
+
+ // vector from inPt to intersection point
+
+ v_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );
+ v_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );
+
+ // Don't normalize!, otherwise sharp corners become ugly
+ // but prevent crazy spikes
+ var v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );
+ if ( v_trans_lensq <= 2 ) {
+
+ return new Vector2( v_trans_x, v_trans_y );
+
+ } else {
+
+ shrink_by = Math.sqrt( v_trans_lensq / 2 );
+
+ }
+
+ } else {
+
+ // handle special case of collinear edges
+
+ var direction_eq = false; // assumes: opposite
+ if ( v_prev_x > Number.EPSILON ) {
+
+ if ( v_next_x > Number.EPSILON ) {
+
+ direction_eq = true;
+
+ }
+
+ } else {
+
+ if ( v_prev_x < - Number.EPSILON ) {
+
+ if ( v_next_x < - Number.EPSILON ) {
+
+ direction_eq = true;
+
+ }
+
+ } else {
+
+ if ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {
+
+ direction_eq = true;
+
+ }
+
+ }
+
+ }
+
+ if ( direction_eq ) {
+
+ // console.log("Warning: lines are a straight sequence");
+ v_trans_x = - v_prev_y;
+ v_trans_y = v_prev_x;
+ shrink_by = Math.sqrt( v_prev_lensq );
+
+ } else {
+
+ // console.log("Warning: lines are a straight spike");
+ v_trans_x = v_prev_x;
+ v_trans_y = v_prev_y;
+ shrink_by = Math.sqrt( v_prev_lensq / 2 );
+
+ }
+
+ }
+
+ return new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );
+
+ }
+
+
+ var contourMovements = [];
+
+ for ( var i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {
+
+ if ( j === il ) j = 0;
+ if ( k === il ) k = 0;
+
+ // (j)---(i)---(k)
+ // console.log('i,j,k', i, j , k)
+
+ contourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );
+
+ }
+
+ var holesMovements = [],
+ oneHoleMovements, verticesMovements = contourMovements.concat();
+
+ for ( h = 0, hl = holes.length; h < hl; h ++ ) {
+
+ ahole = holes[ h ];
+
+ oneHoleMovements = [];
+
+ for ( i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {
+
+ if ( j === il ) j = 0;
+ if ( k === il ) k = 0;
+
+ // (j)---(i)---(k)
+ oneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );
+
+ }
+
+ holesMovements.push( oneHoleMovements );
+ verticesMovements = verticesMovements.concat( oneHoleMovements );
+
+ }
+
+
+ // Loop bevelSegments, 1 for the front, 1 for the back
+
+ for ( b = 0; b < bevelSegments; b ++ ) {
+
+ //for ( b = bevelSegments; b > 0; b -- ) {
+
+ t = b / bevelSegments;
+ z = bevelThickness * Math.cos( t * Math.PI / 2 );
+ bs = bevelSize * Math.sin( t * Math.PI / 2 );
+
+ // contract shape
+
+ for ( i = 0, il = contour.length; i < il; i ++ ) {
+
+ vert = scalePt2( contour[ i ], contourMovements[ i ], bs );
+
+ v( vert.x, vert.y, - z );
+
+ }
+
+ // expand holes
+
+ for ( h = 0, hl = holes.length; h < hl; h ++ ) {
+
+ ahole = holes[ h ];
+ oneHoleMovements = holesMovements[ h ];
+
+ for ( i = 0, il = ahole.length; i < il; i ++ ) {
+
+ vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );
+
+ v( vert.x, vert.y, - z );
+
+ }
+
+ }
+
+ }
+
+ bs = bevelSize;
+
+ // Back facing vertices
+
+ for ( i = 0; i < vlen; i ++ ) {
+
+ vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];
+
+ if ( ! extrudeByPath ) {
+
+ v( vert.x, vert.y, 0 );
+
+ } else {
+
+ // v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );
+
+ normal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );
+ binormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );
+
+ position2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );
+
+ v( position2.x, position2.y, position2.z );
+
+ }
+
+ }
+
+ // Add stepped vertices...
+ // Including front facing vertices
+
+ var s;
+
+ for ( s = 1; s <= steps; s ++ ) {
+
+ for ( i = 0; i < vlen; i ++ ) {
+
+ vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];
+
+ if ( ! extrudeByPath ) {
+
+ v( vert.x, vert.y, amount / steps * s );
+
+ } else {
+
+ // v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );
+
+ normal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );
+ binormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );
+
+ position2.copy( extrudePts[ s ] ).add( normal ).add( binormal );
+
+ v( position2.x, position2.y, position2.z );
+
+ }
+
+ }
+
+ }
+
+
+ // Add bevel segments planes
+
+ //for ( b = 1; b <= bevelSegments; b ++ ) {
+ for ( b = bevelSegments - 1; b >= 0; b -- ) {
+
+ t = b / bevelSegments;
+ z = bevelThickness * Math.cos( t * Math.PI / 2 );
+ bs = bevelSize * Math.sin( t * Math.PI / 2 );
+
+ // contract shape
+
+ for ( i = 0, il = contour.length; i < il; i ++ ) {
+
+ vert = scalePt2( contour[ i ], contourMovements[ i ], bs );
+ v( vert.x, vert.y, amount + z );
+
+ }
+
+ // expand holes
+
+ for ( h = 0, hl = holes.length; h < hl; h ++ ) {
+
+ ahole = holes[ h ];
+ oneHoleMovements = holesMovements[ h ];
+
+ for ( i = 0, il = ahole.length; i < il; i ++ ) {
+
+ vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );
+
+ if ( ! extrudeByPath ) {
+
+ v( vert.x, vert.y, amount + z );
+
+ } else {
+
+ v( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );
+
+ }
+
+ }
+
+ }
+
+ }
+
+ /* Faces */
+
+ // Top and bottom faces
+
+ buildLidFaces();
+
+ // Sides faces
+
+ buildSideFaces();
+
+
+ ///// Internal functions
+
+ function buildLidFaces() {
+
+ var start = verticesArray.length / 3;
+
+ if ( bevelEnabled ) {
+
+ var layer = 0; // steps + 1
+ var offset = vlen * layer;
+
+ // Bottom faces
+
+ for ( i = 0; i < flen; i ++ ) {
+
+ face = faces[ i ];
+ f3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );
+
+ }
+
+ layer = steps + bevelSegments * 2;
+ offset = vlen * layer;
+
+ // Top faces
+
+ for ( i = 0; i < flen; i ++ ) {
+
+ face = faces[ i ];
+ f3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );
+
+ }
+
+ } else {
+
+ // Bottom faces
+
+ for ( i = 0; i < flen; i ++ ) {
+
+ face = faces[ i ];
+ f3( face[ 2 ], face[ 1 ], face[ 0 ] );
+
+ }
+
+ // Top faces
+
+ for ( i = 0; i < flen; i ++ ) {
+
+ face = faces[ i ];
+ f3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );
+
+ }
+
+ }
+
+ scope.addGroup( start, verticesArray.length / 3 - start, options.material !== undefined ? options.material : 0 );
+
+ }
+
+ // Create faces for the z-sides of the shape
+
+ function buildSideFaces() {
+
+ var start = verticesArray.length / 3;
+ var layeroffset = 0;
+ sidewalls( contour, layeroffset );
+ layeroffset += contour.length;
+
+ for ( h = 0, hl = holes.length; h < hl; h ++ ) {
+
+ ahole = holes[ h ];
+ sidewalls( ahole, layeroffset );
+
+ //, true
+ layeroffset += ahole.length;
+
+ }
+
+
+ scope.addGroup( start, verticesArray.length / 3 - start, options.extrudeMaterial !== undefined ? options.extrudeMaterial : 1 );
+
+
+ }
+
+ function sidewalls( contour, layeroffset ) {
+
+ var j, k;
+ i = contour.length;
+
+ while ( -- i >= 0 ) {
+
+ j = i;
+ k = i - 1;
+ if ( k < 0 ) k = contour.length - 1;
+
+ //console.log('b', i,j, i-1, k,vertices.length);
+
+ var s = 0,
+ sl = steps + bevelSegments * 2;
+
+ for ( s = 0; s < sl; s ++ ) {
+
+ var slen1 = vlen * s;
+ var slen2 = vlen * ( s + 1 );
+
+ var a = layeroffset + j + slen1,
+ b = layeroffset + k + slen1,
+ c = layeroffset + k + slen2,
+ d = layeroffset + j + slen2;
+
+ f4( a, b, c, d );
+
+ }
+
+ }
+
+ }
+
+ function v( x, y, z ) {
+
+ placeholder.push( x );
+ placeholder.push( y );
+ placeholder.push( z );
+
+ }
+
+
+ function f3( a, b, c ) {
+
+ addVertex( a );
+ addVertex( b );
+ addVertex( c );
+
+ var nextIndex = verticesArray.length / 3;
+ var uvs = uvgen.generateTopUV( scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1 );
+
+ addUV( uvs[ 0 ] );
+ addUV( uvs[ 1 ] );
+ addUV( uvs[ 2 ] );
+
+ }
+
+ function f4( a, b, c, d ) {
+
+ addVertex( a );
+ addVertex( b );
+ addVertex( d );
+
+ addVertex( b );
+ addVertex( c );
+ addVertex( d );
+
+
+ var nextIndex = verticesArray.length / 3;
+ var uvs = uvgen.generateSideWallUV( scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1 );
+
+ addUV( uvs[ 0 ] );
+ addUV( uvs[ 1 ] );
+ addUV( uvs[ 3 ] );
+
+ addUV( uvs[ 1 ] );
+ addUV( uvs[ 2 ] );
+ addUV( uvs[ 3 ] );
+
+ }
+
+ function addVertex( index ) {
+
+ indicesArray.push( verticesArray.length / 3 );
+ verticesArray.push( placeholder[ index * 3 + 0 ] );
+ verticesArray.push( placeholder[ index * 3 + 1 ] );
+ verticesArray.push( placeholder[ index * 3 + 2 ] );
+
+ }
+
+
+ function addUV( vector2 ) {
+
+ uvArray.push( vector2.x );
+ uvArray.push( vector2.y );
+
+ }
+
+ if ( ! options.arrays ) {
+
+ this.setIndex( indicesArray );
+ this.addAttribute( 'position', new Float32BufferAttribute( verticesArray, 3 ) );
+ this.addAttribute( 'uv', new Float32BufferAttribute( uvArray, 2 ) );
+
+ }
+
+ };
+
+ ExtrudeGeometry.WorldUVGenerator = {
+
+ generateTopUV: function ( geometry, vertices, indexA, indexB, indexC ) {
+
+ var a_x = vertices[ indexA * 3 ];
+ var a_y = vertices[ indexA * 3 + 1 ];
+ var b_x = vertices[ indexB * 3 ];
+ var b_y = vertices[ indexB * 3 + 1 ];
+ var c_x = vertices[ indexC * 3 ];
+ var c_y = vertices[ indexC * 3 + 1 ];
+
+ return [
+ new Vector2( a_x, a_y ),
+ new Vector2( b_x, b_y ),
+ new Vector2( c_x, c_y )
+ ];
+
+ },
+
+ generateSideWallUV: function ( geometry, vertices, indexA, indexB, indexC, indexD ) {
+
+ var a_x = vertices[ indexA * 3 ];
+ var a_y = vertices[ indexA * 3 + 1 ];
+ var a_z = vertices[ indexA * 3 + 2 ];
+ var b_x = vertices[ indexB * 3 ];
+ var b_y = vertices[ indexB * 3 + 1 ];
+ var b_z = vertices[ indexB * 3 + 2 ];
+ var c_x = vertices[ indexC * 3 ];
+ var c_y = vertices[ indexC * 3 + 1 ];
+ var c_z = vertices[ indexC * 3 + 2 ];
+ var d_x = vertices[ indexD * 3 ];
+ var d_y = vertices[ indexD * 3 + 1 ];
+ var d_z = vertices[ indexD * 3 + 2 ];
+
+ if ( Math.abs( a_y - b_y ) < 0.01 ) {
+
+ return [
+ new Vector2( a_x, 1 - a_z ),
+ new Vector2( b_x, 1 - b_z ),
+ new Vector2( c_x, 1 - c_z ),
+ new Vector2( d_x, 1 - d_z )
+ ];
+
+ } else {
+
+ return [
+ new Vector2( a_y, 1 - a_z ),
+ new Vector2( b_y, 1 - b_z ),
+ new Vector2( c_y, 1 - c_z ),
+ new Vector2( d_y, 1 - d_z )
+ ];
+
+ }
+
+ }
+ };
+
+ /**
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * Text = 3D Text
+ *
+ * parameters = {
+ * font: <THREE.Font>, // font
+ *
+ * size: <float>, // size of the text
+ * height: <float>, // thickness to extrude text
+ * curveSegments: <int>, // number of points on the curves
+ *
+ * bevelEnabled: <bool>, // turn on bevel
+ * bevelThickness: <float>, // how deep into text bevel goes
+ * bevelSize: <float> // how far from text outline is bevel
+ * }
+ */
+
+ // TextGeometry
+
+ function TextGeometry( text, parameters ) {
+
+ Geometry.call( this );
+
+ this.type = 'TextGeometry';
+
+ this.parameters = {
+ text: text,
+ parameters: parameters
+ };
+
+ this.fromBufferGeometry( new TextBufferGeometry( text, parameters ) );
+ this.mergeVertices();
+
+ }
+
+ TextGeometry.prototype = Object.create( Geometry.prototype );
+ TextGeometry.prototype.constructor = TextGeometry;
+
+ // TextBufferGeometry
+
+ function TextBufferGeometry( text, parameters ) {
+
+ parameters = parameters || {};
+
+ var font = parameters.font;
+
+ if ( ! ( font && font.isFont ) ) {
+
+ console.error( 'THREE.TextGeometry: font parameter is not an instance of THREE.Font.' );
+ return new Geometry();
+
+ }
+
+ var shapes = font.generateShapes( text, parameters.size, parameters.curveSegments );
+
+ // translate parameters to ExtrudeGeometry API
+
+ parameters.amount = parameters.height !== undefined ? parameters.height : 50;
+
+ // defaults
+
+ if ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10;
+ if ( parameters.bevelSize === undefined ) parameters.bevelSize = 8;
+ if ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false;
+
+ ExtrudeBufferGeometry.call( this, shapes, parameters );
+
+ this.type = 'TextBufferGeometry';
+
+ }
+
+ TextBufferGeometry.prototype = Object.create( ExtrudeBufferGeometry.prototype );
+ TextBufferGeometry.prototype.constructor = TextBufferGeometry;
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author benaadams / https://twitter.com/ben_a_adams
+ * @author Mugen87 / https://github.com/Mugen87
+ */
+
+ // SphereGeometry
+
+ function SphereGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {
+
+ Geometry.call( this );
+
+ this.type = 'SphereGeometry';
+
+ this.parameters = {
+ radius: radius,
+ widthSegments: widthSegments,
+ heightSegments: heightSegments,
+ phiStart: phiStart,
+ phiLength: phiLength,
+ thetaStart: thetaStart,
+ thetaLength: thetaLength
+ };
+
+ this.fromBufferGeometry( new SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) );
+ this.mergeVertices();
+
+ }
+
+ SphereGeometry.prototype = Object.create( Geometry.prototype );
+ SphereGeometry.prototype.constructor = SphereGeometry;
+
+ // SphereBufferGeometry
+
+ function SphereBufferGeometry( radius, widthSegments, heightSegments, phiStart, phiLength, thetaStart, thetaLength ) {
+
+ BufferGeometry.call( this );
+
+ this.type = 'SphereBufferGeometry';
+
+ this.parameters = {
+ radius: radius,
+ widthSegments: widthSegments,
+ heightSegments: heightSegments,
+ phiStart: phiStart,
+ phiLength: phiLength,
+ thetaStart: thetaStart,
+ thetaLength: thetaLength
+ };
+
+ radius = radius || 1;
+
+ widthSegments = Math.max( 3, Math.floor( widthSegments ) || 8 );
+ heightSegments = Math.max( 2, Math.floor( heightSegments ) || 6 );
+
+ phiStart = phiStart !== undefined ? phiStart : 0;
+ phiLength = phiLength !== undefined ? phiLength : Math.PI * 2;
+
+ thetaStart = thetaStart !== undefined ? thetaStart : 0;
+ thetaLength = thetaLength !== undefined ? thetaLength : Math.PI;
+
+ var thetaEnd = thetaStart + thetaLength;
+
+ var ix, iy;
+
+ var index = 0;
+ var grid = [];
+
+ var vertex = new Vector3();
+ var normal = new Vector3();
+
+ // buffers
+
+ var indices = [];
+ var vertices = [];
+ var normals = [];
+ var uvs = [];
+
+ // generate vertices, normals and uvs
+
+ for ( iy = 0; iy <= heightSegments; iy ++ ) {
+
+ var verticesRow = [];
+
+ var v = iy / heightSegments;
+
+ for ( ix = 0; ix <= widthSegments; ix ++ ) {
+
+ var u = ix / widthSegments;
+
+ // vertex
+
+ vertex.x = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );
+ vertex.y = radius * Math.cos( thetaStart + v * thetaLength );
+ vertex.z = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );
+
+ vertices.push( vertex.x, vertex.y, vertex.z );
+
+ // normal
+
+ normal.set( vertex.x, vertex.y, vertex.z ).normalize();
+ normals.push( normal.x, normal.y, normal.z );
+
+ // uv
+
+ uvs.push( u, 1 - v );
+
+ verticesRow.push( index ++ );
+
+ }
+
+ grid.push( verticesRow );
+
+ }
+
+ // indices
+
+ for ( iy = 0; iy < heightSegments; iy ++ ) {
+
+ for ( ix = 0; ix < widthSegments; ix ++ ) {
+
+ var a = grid[ iy ][ ix + 1 ];
+ var b = grid[ iy ][ ix ];
+ var c = grid[ iy + 1 ][ ix ];
+ var d = grid[ iy + 1 ][ ix + 1 ];
+
+ if ( iy !== 0 || thetaStart > 0 ) indices.push( a, b, d );
+ if ( iy !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( b, c, d );
+
+ }
+
+ }
+
+ // build geometry
+
+ this.setIndex( indices );
+ this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+ this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );
+ this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );
+
+ }
+
+ SphereBufferGeometry.prototype = Object.create( BufferGeometry.prototype );
+ SphereBufferGeometry.prototype.constructor = SphereBufferGeometry;
+
+ /**
+ * @author Kaleb Murphy
+ * @author Mugen87 / https://github.com/Mugen87
+ */
+
+ // RingGeometry
+
+ function RingGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {
+
+ Geometry.call( this );
+
+ this.type = 'RingGeometry';
+
+ this.parameters = {
+ innerRadius: innerRadius,
+ outerRadius: outerRadius,
+ thetaSegments: thetaSegments,
+ phiSegments: phiSegments,
+ thetaStart: thetaStart,
+ thetaLength: thetaLength
+ };
+
+ this.fromBufferGeometry( new RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) );
+ this.mergeVertices();
+
+ }
+
+ RingGeometry.prototype = Object.create( Geometry.prototype );
+ RingGeometry.prototype.constructor = RingGeometry;
+
+ // RingBufferGeometry
+
+ function RingBufferGeometry( innerRadius, outerRadius, thetaSegments, phiSegments, thetaStart, thetaLength ) {
+
+ BufferGeometry.call( this );
+
+ this.type = 'RingBufferGeometry';
+
+ this.parameters = {
+ innerRadius: innerRadius,
+ outerRadius: outerRadius,
+ thetaSegments: thetaSegments,
+ phiSegments: phiSegments,
+ thetaStart: thetaStart,
+ thetaLength: thetaLength
+ };
+
+ innerRadius = innerRadius || 0.5;
+ outerRadius = outerRadius || 1;
+
+ thetaStart = thetaStart !== undefined ? thetaStart : 0;
+ thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;
+
+ thetaSegments = thetaSegments !== undefined ? Math.max( 3, thetaSegments ) : 8;
+ phiSegments = phiSegments !== undefined ? Math.max( 1, phiSegments ) : 1;
+
+ // buffers
+
+ var indices = [];
+ var vertices = [];
+ var normals = [];
+ var uvs = [];
+
+ // some helper variables
+
+ var segment;
+ var radius = innerRadius;
+ var radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );
+ var vertex = new Vector3();
+ var uv = new Vector2();
+ var j, i;
+
+ // generate vertices, normals and uvs
+
+ for ( j = 0; j <= phiSegments; j ++ ) {
+
+ for ( i = 0; i <= thetaSegments; i ++ ) {
+
+ // values are generate from the inside of the ring to the outside
+
+ segment = thetaStart + i / thetaSegments * thetaLength;
+
+ // vertex
+
+ vertex.x = radius * Math.cos( segment );
+ vertex.y = radius * Math.sin( segment );
+
+ vertices.push( vertex.x, vertex.y, vertex.z );
+
+ // normal
+
+ normals.push( 0, 0, 1 );
+
+ // uv
+
+ uv.x = ( vertex.x / outerRadius + 1 ) / 2;
+ uv.y = ( vertex.y / outerRadius + 1 ) / 2;
+
+ uvs.push( uv.x, uv.y );
+
+ }
+
+ // increase the radius for next row of vertices
+
+ radius += radiusStep;
+
+ }
+
+ // indices
+
+ for ( j = 0; j < phiSegments; j ++ ) {
+
+ var thetaSegmentLevel = j * ( thetaSegments + 1 );
+
+ for ( i = 0; i < thetaSegments; i ++ ) {
+
+ segment = i + thetaSegmentLevel;
+
+ var a = segment;
+ var b = segment + thetaSegments + 1;
+ var c = segment + thetaSegments + 2;
+ var d = segment + 1;
+
+ // faces
+
+ indices.push( a, b, d );
+ indices.push( b, c, d );
+
+ }
+
+ }
+
+ // build geometry
+
+ this.setIndex( indices );
+ this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+ this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );
+ this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );
+
+ }
+
+ RingBufferGeometry.prototype = Object.create( BufferGeometry.prototype );
+ RingBufferGeometry.prototype.constructor = RingBufferGeometry;
+
+ /**
+ * @author astrodud / http://astrodud.isgreat.org/
+ * @author zz85 / https://github.com/zz85
+ * @author bhouston / http://clara.io
+ * @author Mugen87 / https://github.com/Mugen87
+ */
+
+ // LatheGeometry
+
+ function LatheGeometry( points, segments, phiStart, phiLength ) {
+
+ Geometry.call( this );
+
+ this.type = 'LatheGeometry';
+
+ this.parameters = {
+ points: points,
+ segments: segments,
+ phiStart: phiStart,
+ phiLength: phiLength
+ };
+
+ this.fromBufferGeometry( new LatheBufferGeometry( points, segments, phiStart, phiLength ) );
+ this.mergeVertices();
+
+ }
+
+ LatheGeometry.prototype = Object.create( Geometry.prototype );
+ LatheGeometry.prototype.constructor = LatheGeometry;
+
+ // LatheBufferGeometry
+
+ function LatheBufferGeometry( points, segments, phiStart, phiLength ) {
+
+ BufferGeometry.call( this );
+
+ this.type = 'LatheBufferGeometry';
+
+ this.parameters = {
+ points: points,
+ segments: segments,
+ phiStart: phiStart,
+ phiLength: phiLength
+ };
+
+ segments = Math.floor( segments ) || 12;
+ phiStart = phiStart || 0;
+ phiLength = phiLength || Math.PI * 2;
+
+ // clamp phiLength so it's in range of [ 0, 2PI ]
+
+ phiLength = _Math.clamp( phiLength, 0, Math.PI * 2 );
+
+
+ // buffers
+
+ var indices = [];
+ var vertices = [];
+ var uvs = [];
+
+ // helper variables
+
+ var base;
+ var inverseSegments = 1.0 / segments;
+ var vertex = new Vector3();
+ var uv = new Vector2();
+ var i, j;
+
+ // generate vertices and uvs
+
+ for ( i = 0; i <= segments; i ++ ) {
+
+ var phi = phiStart + i * inverseSegments * phiLength;
+
+ var sin = Math.sin( phi );
+ var cos = Math.cos( phi );
+
+ for ( j = 0; j <= ( points.length - 1 ); j ++ ) {
+
+ // vertex
+
+ vertex.x = points[ j ].x * sin;
+ vertex.y = points[ j ].y;
+ vertex.z = points[ j ].x * cos;
+
+ vertices.push( vertex.x, vertex.y, vertex.z );
+
+ // uv
+
+ uv.x = i / segments;
+ uv.y = j / ( points.length - 1 );
+
+ uvs.push( uv.x, uv.y );
+
+
+ }
+
+ }
+
+ // indices
+
+ for ( i = 0; i < segments; i ++ ) {
+
+ for ( j = 0; j < ( points.length - 1 ); j ++ ) {
+
+ base = j + i * points.length;
+
+ var a = base;
+ var b = base + points.length;
+ var c = base + points.length + 1;
+ var d = base + 1;
+
+ // faces
+
+ indices.push( a, b, d );
+ indices.push( b, c, d );
+
+ }
+
+ }
+
+ // build geometry
+
+ this.setIndex( indices );
+ this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+ this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );
+
+ // generate normals
+
+ this.computeVertexNormals();
+
+ // if the geometry is closed, we need to average the normals along the seam.
+ // because the corresponding vertices are identical (but still have different UVs).
+
+ if ( phiLength === Math.PI * 2 ) {
+
+ var normals = this.attributes.normal.array;
+ var n1 = new Vector3();
+ var n2 = new Vector3();
+ var n = new Vector3();
+
+ // this is the buffer offset for the last line of vertices
+
+ base = segments * points.length * 3;
+
+ for ( i = 0, j = 0; i < points.length; i ++, j += 3 ) {
+
+ // select the normal of the vertex in the first line
+
+ n1.x = normals[ j + 0 ];
+ n1.y = normals[ j + 1 ];
+ n1.z = normals[ j + 2 ];
+
+ // select the normal of the vertex in the last line
+
+ n2.x = normals[ base + j + 0 ];
+ n2.y = normals[ base + j + 1 ];
+ n2.z = normals[ base + j + 2 ];
+
+ // average normals
+
+ n.addVectors( n1, n2 ).normalize();
+
+ // assign the new values to both normals
+
+ normals[ j + 0 ] = normals[ base + j + 0 ] = n.x;
+ normals[ j + 1 ] = normals[ base + j + 1 ] = n.y;
+ normals[ j + 2 ] = normals[ base + j + 2 ] = n.z;
+
+ }
+
+ }
+
+ }
+
+ LatheBufferGeometry.prototype = Object.create( BufferGeometry.prototype );
+ LatheBufferGeometry.prototype.constructor = LatheBufferGeometry;
+
+ /**
+ * @author jonobr1 / http://jonobr1.com
+ * @author Mugen87 / https://github.com/Mugen87
+ */
+
+ // ShapeGeometry
+
+ function ShapeGeometry( shapes, curveSegments ) {
+
+ Geometry.call( this );
+
+ this.type = 'ShapeGeometry';
+
+ if ( typeof curveSegments === 'object' ) {
+
+ console.warn( 'THREE.ShapeGeometry: Options parameter has been removed.' );
+
+ curveSegments = curveSegments.curveSegments;
+
+ }
+
+ this.parameters = {
+ shapes: shapes,
+ curveSegments: curveSegments
+ };
+
+ this.fromBufferGeometry( new ShapeBufferGeometry( shapes, curveSegments ) );
+ this.mergeVertices();
+
+ }
+
+ ShapeGeometry.prototype = Object.create( Geometry.prototype );
+ ShapeGeometry.prototype.constructor = ShapeGeometry;
+
+ ShapeGeometry.prototype.toJSON = function () {
+
+ var data = Geometry.prototype.toJSON.call( this );
+
+ var shapes = this.parameters.shapes;
+
+ return toJSON( shapes, data );
+
+ };
+
+ // ShapeBufferGeometry
+
+ function ShapeBufferGeometry( shapes, curveSegments ) {
+
+ BufferGeometry.call( this );
+
+ this.type = 'ShapeBufferGeometry';
+
+ this.parameters = {
+ shapes: shapes,
+ curveSegments: curveSegments
+ };
+
+ curveSegments = curveSegments || 12;
+
+ // buffers
+
+ var indices = [];
+ var vertices = [];
+ var normals = [];
+ var uvs = [];
+
+ // helper variables
+
+ var groupStart = 0;
+ var groupCount = 0;
+
+ // allow single and array values for "shapes" parameter
+
+ if ( Array.isArray( shapes ) === false ) {
+
+ addShape( shapes );
+
+ } else {
+
+ for ( var i = 0; i < shapes.length; i ++ ) {
+
+ addShape( shapes[ i ] );
+
+ this.addGroup( groupStart, groupCount, i ); // enables MultiMaterial support
+
+ groupStart += groupCount;
+ groupCount = 0;
+
+ }
+
+ }
+
+ // build geometry
+
+ this.setIndex( indices );
+ this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+ this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );
+ this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );
+
+
+ // helper functions
+
+ function addShape( shape ) {
+
+ var i, l, shapeHole;
+
+ var indexOffset = vertices.length / 3;
+ var points = shape.extractPoints( curveSegments );
+
+ var shapeVertices = points.shape;
+ var shapeHoles = points.holes;
+
+ // check direction of vertices
+
+ if ( ShapeUtils.isClockWise( shapeVertices ) === false ) {
+
+ shapeVertices = shapeVertices.reverse();
+
+ // also check if holes are in the opposite direction
+
+ for ( i = 0, l = shapeHoles.length; i < l; i ++ ) {
+
+ shapeHole = shapeHoles[ i ];
+
+ if ( ShapeUtils.isClockWise( shapeHole ) === true ) {
+
+ shapeHoles[ i ] = shapeHole.reverse();
+
+ }
+
+ }
+
+ }
+
+ var faces = ShapeUtils.triangulateShape( shapeVertices, shapeHoles );
+
+ // join vertices of inner and outer paths to a single array
+
+ for ( i = 0, l = shapeHoles.length; i < l; i ++ ) {
+
+ shapeHole = shapeHoles[ i ];
+ shapeVertices = shapeVertices.concat( shapeHole );
+
+ }
+
+ // vertices, normals, uvs
+
+ for ( i = 0, l = shapeVertices.length; i < l; i ++ ) {
+
+ var vertex = shapeVertices[ i ];
+
+ vertices.push( vertex.x, vertex.y, 0 );
+ normals.push( 0, 0, 1 );
+ uvs.push( vertex.x, vertex.y ); // world uvs
+
+ }
+
+ // incides
+
+ for ( i = 0, l = faces.length; i < l; i ++ ) {
+
+ var face = faces[ i ];
+
+ var a = face[ 0 ] + indexOffset;
+ var b = face[ 1 ] + indexOffset;
+ var c = face[ 2 ] + indexOffset;
+
+ indices.push( a, b, c );
+ groupCount += 3;
+
+ }
+
+ }
+
+ }
+
+ ShapeBufferGeometry.prototype = Object.create( BufferGeometry.prototype );
+ ShapeBufferGeometry.prototype.constructor = ShapeBufferGeometry;
+
+ ShapeBufferGeometry.prototype.toJSON = function () {
+
+ var data = BufferGeometry.prototype.toJSON.call( this );
+
+ var shapes = this.parameters.shapes;
+
+ return toJSON( shapes, data );
+
+ };
+
+ //
+
+ function toJSON( shapes, data ) {
+
+ data.shapes = [];
+
+ if ( Array.isArray( shapes ) ) {
+
+ for ( var i = 0, l = shapes.length; i < l; i ++ ) {
+
+ var shape = shapes[ i ];
+
+ data.shapes.push( shape.uuid );
+
+ }
+
+ } else {
+
+ data.shapes.push( shapes.uuid );
+
+ }
+
+ return data;
+
+ }
+
+ /**
+ * @author WestLangley / http://github.com/WestLangley
+ * @author Mugen87 / https://github.com/Mugen87
+ */
+
+ function EdgesGeometry( geometry, thresholdAngle ) {
+
+ BufferGeometry.call( this );
+
+ this.type = 'EdgesGeometry';
+
+ this.parameters = {
+ thresholdAngle: thresholdAngle
+ };
+
+ thresholdAngle = ( thresholdAngle !== undefined ) ? thresholdAngle : 1;
+
+ // buffer
+
+ var vertices = [];
+
+ // helper variables
+
+ var thresholdDot = Math.cos( _Math.DEG2RAD * thresholdAngle );
+ var edge = [ 0, 0 ], edges = {}, edge1, edge2;
+ var key, keys = [ 'a', 'b', 'c' ];
+
+ // prepare source geometry
+
+ var geometry2;
+
+ if ( geometry.isBufferGeometry ) {
+
+ geometry2 = new Geometry();
+ geometry2.fromBufferGeometry( geometry );
+
+ } else {
+
+ geometry2 = geometry.clone();
+
+ }
+
+ geometry2.mergeVertices();
+ geometry2.computeFaceNormals();
+
+ var sourceVertices = geometry2.vertices;
+ var faces = geometry2.faces;
+
+ // now create a data structure where each entry represents an edge with its adjoining faces
+
+ for ( var i = 0, l = faces.length; i < l; i ++ ) {
+
+ var face = faces[ i ];
+
+ for ( var j = 0; j < 3; j ++ ) {
+
+ edge1 = face[ keys[ j ] ];
+ edge2 = face[ keys[ ( j + 1 ) % 3 ] ];
+ edge[ 0 ] = Math.min( edge1, edge2 );
+ edge[ 1 ] = Math.max( edge1, edge2 );
+
+ key = edge[ 0 ] + ',' + edge[ 1 ];
+
+ if ( edges[ key ] === undefined ) {
+
+ edges[ key ] = { index1: edge[ 0 ], index2: edge[ 1 ], face1: i, face2: undefined };
+
+ } else {
+
+ edges[ key ].face2 = i;
+
+ }
+
+ }
+
+ }
+
+ // generate vertices
+
+ for ( key in edges ) {
+
+ var e = edges[ key ];
+
+ // an edge is only rendered if the angle (in degrees) between the face normals of the adjoining faces exceeds this value. default = 1 degree.
+
+ if ( e.face2 === undefined || faces[ e.face1 ].normal.dot( faces[ e.face2 ].normal ) <= thresholdDot ) {
+
+ var vertex = sourceVertices[ e.index1 ];
+ vertices.push( vertex.x, vertex.y, vertex.z );
+
+ vertex = sourceVertices[ e.index2 ];
+ vertices.push( vertex.x, vertex.y, vertex.z );
+
+ }
+
+ }
+
+ // build geometry
+
+ this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+
+ }
+
+ EdgesGeometry.prototype = Object.create( BufferGeometry.prototype );
+ EdgesGeometry.prototype.constructor = EdgesGeometry;
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author Mugen87 / https://github.com/Mugen87
+ */
+
+ // CylinderGeometry
+
+ function CylinderGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {
+
+ Geometry.call( this );
+
+ this.type = 'CylinderGeometry';
+
+ this.parameters = {
+ radiusTop: radiusTop,
+ radiusBottom: radiusBottom,
+ height: height,
+ radialSegments: radialSegments,
+ heightSegments: heightSegments,
+ openEnded: openEnded,
+ thetaStart: thetaStart,
+ thetaLength: thetaLength
+ };
+
+ this.fromBufferGeometry( new CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) );
+ this.mergeVertices();
+
+ }
+
+ CylinderGeometry.prototype = Object.create( Geometry.prototype );
+ CylinderGeometry.prototype.constructor = CylinderGeometry;
+
+ // CylinderBufferGeometry
+
+ function CylinderBufferGeometry( radiusTop, radiusBottom, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {
+
+ BufferGeometry.call( this );
+
+ this.type = 'CylinderBufferGeometry';
+
+ this.parameters = {
+ radiusTop: radiusTop,
+ radiusBottom: radiusBottom,
+ height: height,
+ radialSegments: radialSegments,
+ heightSegments: heightSegments,
+ openEnded: openEnded,
+ thetaStart: thetaStart,
+ thetaLength: thetaLength
+ };
+
+ var scope = this;
+
+ radiusTop = radiusTop !== undefined ? radiusTop : 1;
+ radiusBottom = radiusBottom !== undefined ? radiusBottom : 1;
+ height = height || 1;
+
+ radialSegments = Math.floor( radialSegments ) || 8;
+ heightSegments = Math.floor( heightSegments ) || 1;
+
+ openEnded = openEnded !== undefined ? openEnded : false;
+ thetaStart = thetaStart !== undefined ? thetaStart : 0.0;
+ thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;
+
+ // buffers
+
+ var indices = [];
+ var vertices = [];
+ var normals = [];
+ var uvs = [];
+
+ // helper variables
+
+ var index = 0;
+ var indexArray = [];
+ var halfHeight = height / 2;
+ var groupStart = 0;
+
+ // generate geometry
+
+ generateTorso();
+
+ if ( openEnded === false ) {
+
+ if ( radiusTop > 0 ) generateCap( true );
+ if ( radiusBottom > 0 ) generateCap( false );
+
+ }
+
+ // build geometry
+
+ this.setIndex( indices );
+ this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+ this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );
+ this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );
+
+ function generateTorso() {
+
+ var x, y;
+ var normal = new Vector3();
+ var vertex = new Vector3();
+
+ var groupCount = 0;
+
+ // this will be used to calculate the normal
+ var slope = ( radiusBottom - radiusTop ) / height;
+
+ // generate vertices, normals and uvs
+
+ for ( y = 0; y <= heightSegments; y ++ ) {
+
+ var indexRow = [];
+
+ var v = y / heightSegments;
+
+ // calculate the radius of the current row
+
+ var radius = v * ( radiusBottom - radiusTop ) + radiusTop;
+
+ for ( x = 0; x <= radialSegments; x ++ ) {
+
+ var u = x / radialSegments;
+
+ var theta = u * thetaLength + thetaStart;
+
+ var sinTheta = Math.sin( theta );
+ var cosTheta = Math.cos( theta );
+
+ // vertex
+
+ vertex.x = radius * sinTheta;
+ vertex.y = - v * height + halfHeight;
+ vertex.z = radius * cosTheta;
+ vertices.push( vertex.x, vertex.y, vertex.z );
+
+ // normal
+
+ normal.set( sinTheta, slope, cosTheta ).normalize();
+ normals.push( normal.x, normal.y, normal.z );
+
+ // uv
+
+ uvs.push( u, 1 - v );
+
+ // save index of vertex in respective row
+
+ indexRow.push( index ++ );
+
+ }
+
+ // now save vertices of the row in our index array
+
+ indexArray.push( indexRow );
+
+ }
+
+ // generate indices
+
+ for ( x = 0; x < radialSegments; x ++ ) {
+
+ for ( y = 0; y < heightSegments; y ++ ) {
+
+ // we use the index array to access the correct indices
+
+ var a = indexArray[ y ][ x ];
+ var b = indexArray[ y + 1 ][ x ];
+ var c = indexArray[ y + 1 ][ x + 1 ];
+ var d = indexArray[ y ][ x + 1 ];
+
+ // faces
+
+ indices.push( a, b, d );
+ indices.push( b, c, d );
+
+ // update group counter
+
+ groupCount += 6;
+
+ }
+
+ }
+
+ // add a group to the geometry. this will ensure multi material support
+
+ scope.addGroup( groupStart, groupCount, 0 );
+
+ // calculate new start value for groups
+
+ groupStart += groupCount;
+
+ }
+
+ function generateCap( top ) {
+
+ var x, centerIndexStart, centerIndexEnd;
+
+ var uv = new Vector2();
+ var vertex = new Vector3();
+
+ var groupCount = 0;
+
+ var radius = ( top === true ) ? radiusTop : radiusBottom;
+ var sign = ( top === true ) ? 1 : - 1;
+
+ // save the index of the first center vertex
+ centerIndexStart = index;
+
+ // first we generate the center vertex data of the cap.
+ // because the geometry needs one set of uvs per face,
+ // we must generate a center vertex per face/segment
+
+ for ( x = 1; x <= radialSegments; x ++ ) {
+
+ // vertex
+
+ vertices.push( 0, halfHeight * sign, 0 );
+
+ // normal
+
+ normals.push( 0, sign, 0 );
+
+ // uv
+
+ uvs.push( 0.5, 0.5 );
+
+ // increase index
+
+ index ++;
+
+ }
+
+ // save the index of the last center vertex
+
+ centerIndexEnd = index;
+
+ // now we generate the surrounding vertices, normals and uvs
+
+ for ( x = 0; x <= radialSegments; x ++ ) {
+
+ var u = x / radialSegments;
+ var theta = u * thetaLength + thetaStart;
+
+ var cosTheta = Math.cos( theta );
+ var sinTheta = Math.sin( theta );
+
+ // vertex
+
+ vertex.x = radius * sinTheta;
+ vertex.y = halfHeight * sign;
+ vertex.z = radius * cosTheta;
+ vertices.push( vertex.x, vertex.y, vertex.z );
+
+ // normal
+
+ normals.push( 0, sign, 0 );
+
+ // uv
+
+ uv.x = ( cosTheta * 0.5 ) + 0.5;
+ uv.y = ( sinTheta * 0.5 * sign ) + 0.5;
+ uvs.push( uv.x, uv.y );
+
+ // increase index
+
+ index ++;
+
+ }
+
+ // generate indices
+
+ for ( x = 0; x < radialSegments; x ++ ) {
+
+ var c = centerIndexStart + x;
+ var i = centerIndexEnd + x;
+
+ if ( top === true ) {
+
+ // face top
+
+ indices.push( i, i + 1, c );
+
+ } else {
+
+ // face bottom
+
+ indices.push( i + 1, i, c );
+
+ }
+
+ groupCount += 3;
+
+ }
+
+ // add a group to the geometry. this will ensure multi material support
+
+ scope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );
+
+ // calculate new start value for groups
+
+ groupStart += groupCount;
+
+ }
+
+ }
+
+ CylinderBufferGeometry.prototype = Object.create( BufferGeometry.prototype );
+ CylinderBufferGeometry.prototype.constructor = CylinderBufferGeometry;
+
+ /**
+ * @author abelnation / http://github.com/abelnation
+ */
+
+ // ConeGeometry
+
+ function ConeGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {
+
+ CylinderGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );
+
+ this.type = 'ConeGeometry';
+
+ this.parameters = {
+ radius: radius,
+ height: height,
+ radialSegments: radialSegments,
+ heightSegments: heightSegments,
+ openEnded: openEnded,
+ thetaStart: thetaStart,
+ thetaLength: thetaLength
+ };
+
+ }
+
+ ConeGeometry.prototype = Object.create( CylinderGeometry.prototype );
+ ConeGeometry.prototype.constructor = ConeGeometry;
+
+ // ConeBufferGeometry
+
+ function ConeBufferGeometry( radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ) {
+
+ CylinderBufferGeometry.call( this, 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );
+
+ this.type = 'ConeBufferGeometry';
+
+ this.parameters = {
+ radius: radius,
+ height: height,
+ radialSegments: radialSegments,
+ heightSegments: heightSegments,
+ openEnded: openEnded,
+ thetaStart: thetaStart,
+ thetaLength: thetaLength
+ };
+
+ }
+
+ ConeBufferGeometry.prototype = Object.create( CylinderBufferGeometry.prototype );
+ ConeBufferGeometry.prototype.constructor = ConeBufferGeometry;
+
+ /**
+ * @author benaadams / https://twitter.com/ben_a_adams
+ * @author Mugen87 / https://github.com/Mugen87
+ * @author hughes
+ */
+
+ // CircleGeometry
+
+ function CircleGeometry( radius, segments, thetaStart, thetaLength ) {
+
+ Geometry.call( this );
+
+ this.type = 'CircleGeometry';
+
+ this.parameters = {
+ radius: radius,
+ segments: segments,
+ thetaStart: thetaStart,
+ thetaLength: thetaLength
+ };
+
+ this.fromBufferGeometry( new CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) );
+ this.mergeVertices();
+
+ }
+
+ CircleGeometry.prototype = Object.create( Geometry.prototype );
+ CircleGeometry.prototype.constructor = CircleGeometry;
+
+ // CircleBufferGeometry
+
+ function CircleBufferGeometry( radius, segments, thetaStart, thetaLength ) {
+
+ BufferGeometry.call( this );
+
+ this.type = 'CircleBufferGeometry';
+
+ this.parameters = {
+ radius: radius,
+ segments: segments,
+ thetaStart: thetaStart,
+ thetaLength: thetaLength
+ };
+
+ radius = radius || 1;
+ segments = segments !== undefined ? Math.max( 3, segments ) : 8;
+
+ thetaStart = thetaStart !== undefined ? thetaStart : 0;
+ thetaLength = thetaLength !== undefined ? thetaLength : Math.PI * 2;
+
+ // buffers
+
+ var indices = [];
+ var vertices = [];
+ var normals = [];
+ var uvs = [];
+
+ // helper variables
+
+ var i, s;
+ var vertex = new Vector3();
+ var uv = new Vector2();
+
+ // center point
+
+ vertices.push( 0, 0, 0 );
+ normals.push( 0, 0, 1 );
+ uvs.push( 0.5, 0.5 );
+
+ for ( s = 0, i = 3; s <= segments; s ++, i += 3 ) {
+
+ var segment = thetaStart + s / segments * thetaLength;
+
+ // vertex
+
+ vertex.x = radius * Math.cos( segment );
+ vertex.y = radius * Math.sin( segment );
+
+ vertices.push( vertex.x, vertex.y, vertex.z );
+
+ // normal
+
+ normals.push( 0, 0, 1 );
+
+ // uvs
+
+ uv.x = ( vertices[ i ] / radius + 1 ) / 2;
+ uv.y = ( vertices[ i + 1 ] / radius + 1 ) / 2;
+
+ uvs.push( uv.x, uv.y );
+
+ }
+
+ // indices
+
+ for ( i = 1; i <= segments; i ++ ) {
+
+ indices.push( i, i + 1, 0 );
+
+ }
+
+ // build geometry
+
+ this.setIndex( indices );
+ this.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+ this.addAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );
+ this.addAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );
+
+ }
+
+ CircleBufferGeometry.prototype = Object.create( BufferGeometry.prototype );
+ CircleBufferGeometry.prototype.constructor = CircleBufferGeometry;
+
+
+
+ var Geometries = Object.freeze({
+ WireframeGeometry: WireframeGeometry,
+ ParametricGeometry: ParametricGeometry,
+ ParametricBufferGeometry: ParametricBufferGeometry,
+ TetrahedronGeometry: TetrahedronGeometry,
+ TetrahedronBufferGeometry: TetrahedronBufferGeometry,
+ OctahedronGeometry: OctahedronGeometry,
+ OctahedronBufferGeometry: OctahedronBufferGeometry,
+ IcosahedronGeometry: IcosahedronGeometry,
+ IcosahedronBufferGeometry: IcosahedronBufferGeometry,
+ DodecahedronGeometry: DodecahedronGeometry,
+ DodecahedronBufferGeometry: DodecahedronBufferGeometry,
+ PolyhedronGeometry: PolyhedronGeometry,
+ PolyhedronBufferGeometry: PolyhedronBufferGeometry,
+ TubeGeometry: TubeGeometry,
+ TubeBufferGeometry: TubeBufferGeometry,
+ TorusKnotGeometry: TorusKnotGeometry,
+ TorusKnotBufferGeometry: TorusKnotBufferGeometry,
+ TorusGeometry: TorusGeometry,
+ TorusBufferGeometry: TorusBufferGeometry,
+ TextGeometry: TextGeometry,
+ TextBufferGeometry: TextBufferGeometry,
+ SphereGeometry: SphereGeometry,
+ SphereBufferGeometry: SphereBufferGeometry,
+ RingGeometry: RingGeometry,
+ RingBufferGeometry: RingBufferGeometry,
+ PlaneGeometry: PlaneGeometry,
+ PlaneBufferGeometry: PlaneBufferGeometry,
+ LatheGeometry: LatheGeometry,
+ LatheBufferGeometry: LatheBufferGeometry,
+ ShapeGeometry: ShapeGeometry,
+ ShapeBufferGeometry: ShapeBufferGeometry,
+ ExtrudeGeometry: ExtrudeGeometry,
+ ExtrudeBufferGeometry: ExtrudeBufferGeometry,
+ EdgesGeometry: EdgesGeometry,
+ ConeGeometry: ConeGeometry,
+ ConeBufferGeometry: ConeBufferGeometry,
+ CylinderGeometry: CylinderGeometry,
+ CylinderBufferGeometry: CylinderBufferGeometry,
+ CircleGeometry: CircleGeometry,
+ CircleBufferGeometry: CircleBufferGeometry,
+ BoxGeometry: BoxGeometry,
+ BoxBufferGeometry: BoxBufferGeometry
+ });
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ *
+ * parameters = {
+ * color: <THREE.Color>,
+ * opacity: <float>
+ * }
+ */
+
+ function ShadowMaterial( parameters ) {
+
+ Material.call( this );
+
+ this.type = 'ShadowMaterial';
+
+ this.color = new Color( 0x000000 );
+ this.opacity = 1.0;
+
+ this.lights = true;
+ this.transparent = true;
+
+ this.setValues( parameters );
+
+ }
+
+ ShadowMaterial.prototype = Object.create( Material.prototype );
+ ShadowMaterial.prototype.constructor = ShadowMaterial;
+
+ ShadowMaterial.prototype.isShadowMaterial = true;
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function RawShaderMaterial( parameters ) {
+
+ ShaderMaterial.call( this, parameters );
+
+ this.type = 'RawShaderMaterial';
+
+ }
+
+ RawShaderMaterial.prototype = Object.create( ShaderMaterial.prototype );
+ RawShaderMaterial.prototype.constructor = RawShaderMaterial;
+
+ RawShaderMaterial.prototype.isRawShaderMaterial = true;
+
+ /**
+ * @author WestLangley / http://github.com/WestLangley
+ *
+ * parameters = {
+ * color: <hex>,
+ * roughness: <float>,
+ * metalness: <float>,
+ * opacity: <float>,
+ *
+ * map: new THREE.Texture( <Image> ),
+ *
+ * lightMap: new THREE.Texture( <Image> ),
+ * lightMapIntensity: <float>
+ *
+ * aoMap: new THREE.Texture( <Image> ),
+ * aoMapIntensity: <float>
+ *
+ * emissive: <hex>,
+ * emissiveIntensity: <float>
+ * emissiveMap: new THREE.Texture( <Image> ),
+ *
+ * bumpMap: new THREE.Texture( <Image> ),
+ * bumpScale: <float>,
+ *
+ * normalMap: new THREE.Texture( <Image> ),
+ * normalScale: <Vector2>,
+ *
+ * displacementMap: new THREE.Texture( <Image> ),
+ * displacementScale: <float>,
+ * displacementBias: <float>,
+ *
+ * roughnessMap: new THREE.Texture( <Image> ),
+ *
+ * metalnessMap: new THREE.Texture( <Image> ),
+ *
+ * alphaMap: new THREE.Texture( <Image> ),
+ *
+ * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),
+ * envMapIntensity: <float>
+ *
+ * refractionRatio: <float>,
+ *
+ * wireframe: <boolean>,
+ * wireframeLinewidth: <float>,
+ *
+ * skinning: <bool>,
+ * morphTargets: <bool>,
+ * morphNormals: <bool>
+ * }
+ */
+
+ function MeshStandardMaterial( parameters ) {
+
+ Material.call( this );
+
+ this.defines = { 'STANDARD': '' };
+
+ this.type = 'MeshStandardMaterial';
+
+ this.color = new Color( 0xffffff ); // diffuse
+ this.roughness = 0.5;
+ this.metalness = 0.5;
+
+ this.map = null;
+
+ this.lightMap = null;
+ this.lightMapIntensity = 1.0;
+
+ this.aoMap = null;
+ this.aoMapIntensity = 1.0;
+
+ this.emissive = new Color( 0x000000 );
+ this.emissiveIntensity = 1.0;
+ this.emissiveMap = null;
+
+ this.bumpMap = null;
+ this.bumpScale = 1;
+
+ this.normalMap = null;
+ this.normalScale = new Vector2( 1, 1 );
+
+ this.displacementMap = null;
+ this.displacementScale = 1;
+ this.displacementBias = 0;
+
+ this.roughnessMap = null;
+
+ this.metalnessMap = null;
+
+ this.alphaMap = null;
+
+ this.envMap = null;
+ this.envMapIntensity = 1.0;
+
+ this.refractionRatio = 0.98;
+
+ this.wireframe = false;
+ this.wireframeLinewidth = 1;
+ this.wireframeLinecap = 'round';
+ this.wireframeLinejoin = 'round';
+
+ this.skinning = false;
+ this.morphTargets = false;
+ this.morphNormals = false;
+
+ this.setValues( parameters );
+
+ }
+
+ MeshStandardMaterial.prototype = Object.create( Material.prototype );
+ MeshStandardMaterial.prototype.constructor = MeshStandardMaterial;
+
+ MeshStandardMaterial.prototype.isMeshStandardMaterial = true;
+
+ MeshStandardMaterial.prototype.copy = function ( source ) {
+
+ Material.prototype.copy.call( this, source );
+
+ this.defines = { 'STANDARD': '' };
+
+ this.color.copy( source.color );
+ this.roughness = source.roughness;
+ this.metalness = source.metalness;
+
+ this.map = source.map;
+
+ this.lightMap = source.lightMap;
+ this.lightMapIntensity = source.lightMapIntensity;
+
+ this.aoMap = source.aoMap;
+ this.aoMapIntensity = source.aoMapIntensity;
+
+ this.emissive.copy( source.emissive );
+ this.emissiveMap = source.emissiveMap;
+ this.emissiveIntensity = source.emissiveIntensity;
+
+ this.bumpMap = source.bumpMap;
+ this.bumpScale = source.bumpScale;
+
+ this.normalMap = source.normalMap;
+ this.normalScale.copy( source.normalScale );
+
+ this.displacementMap = source.displacementMap;
+ this.displacementScale = source.displacementScale;
+ this.displacementBias = source.displacementBias;
+
+ this.roughnessMap = source.roughnessMap;
+
+ this.metalnessMap = source.metalnessMap;
+
+ this.alphaMap = source.alphaMap;
+
+ this.envMap = source.envMap;
+ this.envMapIntensity = source.envMapIntensity;
+
+ this.refractionRatio = source.refractionRatio;
+
+ this.wireframe = source.wireframe;
+ this.wireframeLinewidth = source.wireframeLinewidth;
+ this.wireframeLinecap = source.wireframeLinecap;
+ this.wireframeLinejoin = source.wireframeLinejoin;
+
+ this.skinning = source.skinning;
+ this.morphTargets = source.morphTargets;
+ this.morphNormals = source.morphNormals;
+
+ return this;
+
+ };
+
+ /**
+ * @author WestLangley / http://github.com/WestLangley
+ *
+ * parameters = {
+ * reflectivity: <float>
+ * }
+ */
+
+ function MeshPhysicalMaterial( parameters ) {
+
+ MeshStandardMaterial.call( this );
+
+ this.defines = { 'PHYSICAL': '' };
+
+ this.type = 'MeshPhysicalMaterial';
+
+ this.reflectivity = 0.5; // maps to F0 = 0.04
+
+ this.clearCoat = 0.0;
+ this.clearCoatRoughness = 0.0;
+
+ this.setValues( parameters );
+
+ }
+
+ MeshPhysicalMaterial.prototype = Object.create( MeshStandardMaterial.prototype );
+ MeshPhysicalMaterial.prototype.constructor = MeshPhysicalMaterial;
+
+ MeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true;
+
+ MeshPhysicalMaterial.prototype.copy = function ( source ) {
+
+ MeshStandardMaterial.prototype.copy.call( this, source );
+
+ this.defines = { 'PHYSICAL': '' };
+
+ this.reflectivity = source.reflectivity;
+
+ this.clearCoat = source.clearCoat;
+ this.clearCoatRoughness = source.clearCoatRoughness;
+
+ return this;
+
+ };
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * parameters = {
+ * color: <hex>,
+ * specular: <hex>,
+ * shininess: <float>,
+ * opacity: <float>,
+ *
+ * map: new THREE.Texture( <Image> ),
+ *
+ * lightMap: new THREE.Texture( <Image> ),
+ * lightMapIntensity: <float>
+ *
+ * aoMap: new THREE.Texture( <Image> ),
+ * aoMapIntensity: <float>
+ *
+ * emissive: <hex>,
+ * emissiveIntensity: <float>
+ * emissiveMap: new THREE.Texture( <Image> ),
+ *
+ * bumpMap: new THREE.Texture( <Image> ),
+ * bumpScale: <float>,
+ *
+ * normalMap: new THREE.Texture( <Image> ),
+ * normalScale: <Vector2>,
+ *
+ * displacementMap: new THREE.Texture( <Image> ),
+ * displacementScale: <float>,
+ * displacementBias: <float>,
+ *
+ * specularMap: new THREE.Texture( <Image> ),
+ *
+ * alphaMap: new THREE.Texture( <Image> ),
+ *
+ * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),
+ * combine: THREE.Multiply,
+ * reflectivity: <float>,
+ * refractionRatio: <float>,
+ *
+ * wireframe: <boolean>,
+ * wireframeLinewidth: <float>,
+ *
+ * skinning: <bool>,
+ * morphTargets: <bool>,
+ * morphNormals: <bool>
+ * }
+ */
+
+ function MeshPhongMaterial( parameters ) {
+
+ Material.call( this );
+
+ this.type = 'MeshPhongMaterial';
+
+ this.color = new Color( 0xffffff ); // diffuse
+ this.specular = new Color( 0x111111 );
+ this.shininess = 30;
+
+ this.map = null;
+
+ this.lightMap = null;
+ this.lightMapIntensity = 1.0;
+
+ this.aoMap = null;
+ this.aoMapIntensity = 1.0;
+
+ this.emissive = new Color( 0x000000 );
+ this.emissiveIntensity = 1.0;
+ this.emissiveMap = null;
+
+ this.bumpMap = null;
+ this.bumpScale = 1;
+
+ this.normalMap = null;
+ this.normalScale = new Vector2( 1, 1 );
+
+ this.displacementMap = null;
+ this.displacementScale = 1;
+ this.displacementBias = 0;
+
+ this.specularMap = null;
+
+ this.alphaMap = null;
+
+ this.envMap = null;
+ this.combine = MultiplyOperation;
+ this.reflectivity = 1;
+ this.refractionRatio = 0.98;
+
+ this.wireframe = false;
+ this.wireframeLinewidth = 1;
+ this.wireframeLinecap = 'round';
+ this.wireframeLinejoin = 'round';
+
+ this.skinning = false;
+ this.morphTargets = false;
+ this.morphNormals = false;
+
+ this.setValues( parameters );
+
+ }
+
+ MeshPhongMaterial.prototype = Object.create( Material.prototype );
+ MeshPhongMaterial.prototype.constructor = MeshPhongMaterial;
+
+ MeshPhongMaterial.prototype.isMeshPhongMaterial = true;
+
+ MeshPhongMaterial.prototype.copy = function ( source ) {
+
+ Material.prototype.copy.call( this, source );
+
+ this.color.copy( source.color );
+ this.specular.copy( source.specular );
+ this.shininess = source.shininess;
+
+ this.map = source.map;
+
+ this.lightMap = source.lightMap;
+ this.lightMapIntensity = source.lightMapIntensity;
+
+ this.aoMap = source.aoMap;
+ this.aoMapIntensity = source.aoMapIntensity;
+
+ this.emissive.copy( source.emissive );
+ this.emissiveMap = source.emissiveMap;
+ this.emissiveIntensity = source.emissiveIntensity;
+
+ this.bumpMap = source.bumpMap;
+ this.bumpScale = source.bumpScale;
+
+ this.normalMap = source.normalMap;
+ this.normalScale.copy( source.normalScale );
+
+ this.displacementMap = source.displacementMap;
+ this.displacementScale = source.displacementScale;
+ this.displacementBias = source.displacementBias;
+
+ this.specularMap = source.specularMap;
+
+ this.alphaMap = source.alphaMap;
+
+ this.envMap = source.envMap;
+ this.combine = source.combine;
+ this.reflectivity = source.reflectivity;
+ this.refractionRatio = source.refractionRatio;
+
+ this.wireframe = source.wireframe;
+ this.wireframeLinewidth = source.wireframeLinewidth;
+ this.wireframeLinecap = source.wireframeLinecap;
+ this.wireframeLinejoin = source.wireframeLinejoin;
+
+ this.skinning = source.skinning;
+ this.morphTargets = source.morphTargets;
+ this.morphNormals = source.morphNormals;
+
+ return this;
+
+ };
+
+ /**
+ * @author takahirox / http://github.com/takahirox
+ *
+ * parameters = {
+ * gradientMap: new THREE.Texture( <Image> )
+ * }
+ */
+
+ function MeshToonMaterial( parameters ) {
+
+ MeshPhongMaterial.call( this );
+
+ this.defines = { 'TOON': '' };
+
+ this.type = 'MeshToonMaterial';
+
+ this.gradientMap = null;
+
+ this.setValues( parameters );
+
+ }
+
+ MeshToonMaterial.prototype = Object.create( MeshPhongMaterial.prototype );
+ MeshToonMaterial.prototype.constructor = MeshToonMaterial;
+
+ MeshToonMaterial.prototype.isMeshToonMaterial = true;
+
+ MeshToonMaterial.prototype.copy = function ( source ) {
+
+ MeshPhongMaterial.prototype.copy.call( this, source );
+
+ this.gradientMap = source.gradientMap;
+
+ return this;
+
+ };
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author WestLangley / http://github.com/WestLangley
+ *
+ * parameters = {
+ * opacity: <float>,
+ *
+ * bumpMap: new THREE.Texture( <Image> ),
+ * bumpScale: <float>,
+ *
+ * normalMap: new THREE.Texture( <Image> ),
+ * normalScale: <Vector2>,
+ *
+ * displacementMap: new THREE.Texture( <Image> ),
+ * displacementScale: <float>,
+ * displacementBias: <float>,
+ *
+ * wireframe: <boolean>,
+ * wireframeLinewidth: <float>
+ *
+ * skinning: <bool>,
+ * morphTargets: <bool>,
+ * morphNormals: <bool>
+ * }
+ */
+
+ function MeshNormalMaterial( parameters ) {
+
+ Material.call( this );
+
+ this.type = 'MeshNormalMaterial';
+
+ this.bumpMap = null;
+ this.bumpScale = 1;
+
+ this.normalMap = null;
+ this.normalScale = new Vector2( 1, 1 );
+
+ this.displacementMap = null;
+ this.displacementScale = 1;
+ this.displacementBias = 0;
+
+ this.wireframe = false;
+ this.wireframeLinewidth = 1;
+
+ this.fog = false;
+ this.lights = false;
+
+ this.skinning = false;
+ this.morphTargets = false;
+ this.morphNormals = false;
+
+ this.setValues( parameters );
+
+ }
+
+ MeshNormalMaterial.prototype = Object.create( Material.prototype );
+ MeshNormalMaterial.prototype.constructor = MeshNormalMaterial;
+
+ MeshNormalMaterial.prototype.isMeshNormalMaterial = true;
+
+ MeshNormalMaterial.prototype.copy = function ( source ) {
+
+ Material.prototype.copy.call( this, source );
+
+ this.bumpMap = source.bumpMap;
+ this.bumpScale = source.bumpScale;
+
+ this.normalMap = source.normalMap;
+ this.normalScale.copy( source.normalScale );
+
+ this.displacementMap = source.displacementMap;
+ this.displacementScale = source.displacementScale;
+ this.displacementBias = source.displacementBias;
+
+ this.wireframe = source.wireframe;
+ this.wireframeLinewidth = source.wireframeLinewidth;
+
+ this.skinning = source.skinning;
+ this.morphTargets = source.morphTargets;
+ this.morphNormals = source.morphNormals;
+
+ return this;
+
+ };
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * parameters = {
+ * color: <hex>,
+ * opacity: <float>,
+ *
+ * map: new THREE.Texture( <Image> ),
+ *
+ * lightMap: new THREE.Texture( <Image> ),
+ * lightMapIntensity: <float>
+ *
+ * aoMap: new THREE.Texture( <Image> ),
+ * aoMapIntensity: <float>
+ *
+ * emissive: <hex>,
+ * emissiveIntensity: <float>
+ * emissiveMap: new THREE.Texture( <Image> ),
+ *
+ * specularMap: new THREE.Texture( <Image> ),
+ *
+ * alphaMap: new THREE.Texture( <Image> ),
+ *
+ * envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),
+ * combine: THREE.Multiply,
+ * reflectivity: <float>,
+ * refractionRatio: <float>,
+ *
+ * wireframe: <boolean>,
+ * wireframeLinewidth: <float>,
+ *
+ * skinning: <bool>,
+ * morphTargets: <bool>,
+ * morphNormals: <bool>
+ * }
+ */
+
+ function MeshLambertMaterial( parameters ) {
+
+ Material.call( this );
+
+ this.type = 'MeshLambertMaterial';
+
+ this.color = new Color( 0xffffff ); // diffuse
+
+ this.map = null;
+
+ this.lightMap = null;
+ this.lightMapIntensity = 1.0;
+
+ this.aoMap = null;
+ this.aoMapIntensity = 1.0;
+
+ this.emissive = new Color( 0x000000 );
+ this.emissiveIntensity = 1.0;
+ this.emissiveMap = null;
+
+ this.specularMap = null;
+
+ this.alphaMap = null;
+
+ this.envMap = null;
+ this.combine = MultiplyOperation;
+ this.reflectivity = 1;
+ this.refractionRatio = 0.98;
+
+ this.wireframe = false;
+ this.wireframeLinewidth = 1;
+ this.wireframeLinecap = 'round';
+ this.wireframeLinejoin = 'round';
+
+ this.skinning = false;
+ this.morphTargets = false;
+ this.morphNormals = false;
+
+ this.setValues( parameters );
+
+ }
+
+ MeshLambertMaterial.prototype = Object.create( Material.prototype );
+ MeshLambertMaterial.prototype.constructor = MeshLambertMaterial;
+
+ MeshLambertMaterial.prototype.isMeshLambertMaterial = true;
+
+ MeshLambertMaterial.prototype.copy = function ( source ) {
+
+ Material.prototype.copy.call( this, source );
+
+ this.color.copy( source.color );
+
+ this.map = source.map;
+
+ this.lightMap = source.lightMap;
+ this.lightMapIntensity = source.lightMapIntensity;
+
+ this.aoMap = source.aoMap;
+ this.aoMapIntensity = source.aoMapIntensity;
+
+ this.emissive.copy( source.emissive );
+ this.emissiveMap = source.emissiveMap;
+ this.emissiveIntensity = source.emissiveIntensity;
+
+ this.specularMap = source.specularMap;
+
+ this.alphaMap = source.alphaMap;
+
+ this.envMap = source.envMap;
+ this.combine = source.combine;
+ this.reflectivity = source.reflectivity;
+ this.refractionRatio = source.refractionRatio;
+
+ this.wireframe = source.wireframe;
+ this.wireframeLinewidth = source.wireframeLinewidth;
+ this.wireframeLinecap = source.wireframeLinecap;
+ this.wireframeLinejoin = source.wireframeLinejoin;
+
+ this.skinning = source.skinning;
+ this.morphTargets = source.morphTargets;
+ this.morphNormals = source.morphNormals;
+
+ return this;
+
+ };
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ *
+ * parameters = {
+ * color: <hex>,
+ * opacity: <float>,
+ *
+ * linewidth: <float>,
+ *
+ * scale: <float>,
+ * dashSize: <float>,
+ * gapSize: <float>
+ * }
+ */
+
+ function LineDashedMaterial( parameters ) {
+
+ LineBasicMaterial.call( this );
+
+ this.type = 'LineDashedMaterial';
+
+ this.scale = 1;
+ this.dashSize = 3;
+ this.gapSize = 1;
+
+ this.setValues( parameters );
+
+ }
+
+ LineDashedMaterial.prototype = Object.create( LineBasicMaterial.prototype );
+ LineDashedMaterial.prototype.constructor = LineDashedMaterial;
+
+ LineDashedMaterial.prototype.isLineDashedMaterial = true;
+
+ LineDashedMaterial.prototype.copy = function ( source ) {
+
+ LineBasicMaterial.prototype.copy.call( this, source );
+
+ this.scale = source.scale;
+ this.dashSize = source.dashSize;
+ this.gapSize = source.gapSize;
+
+ return this;
+
+ };
+
+
+
+ var Materials = Object.freeze({
+ ShadowMaterial: ShadowMaterial,
+ SpriteMaterial: SpriteMaterial,
+ RawShaderMaterial: RawShaderMaterial,
+ ShaderMaterial: ShaderMaterial,
+ PointsMaterial: PointsMaterial,
+ MeshPhysicalMaterial: MeshPhysicalMaterial,
+ MeshStandardMaterial: MeshStandardMaterial,
+ MeshPhongMaterial: MeshPhongMaterial,
+ MeshToonMaterial: MeshToonMaterial,
+ MeshNormalMaterial: MeshNormalMaterial,
+ MeshLambertMaterial: MeshLambertMaterial,
+ MeshDepthMaterial: MeshDepthMaterial,
+ MeshDistanceMaterial: MeshDistanceMaterial,
+ MeshBasicMaterial: MeshBasicMaterial,
+ LineDashedMaterial: LineDashedMaterial,
+ LineBasicMaterial: LineBasicMaterial,
+ Material: Material
+ });
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ var Cache = {
+
+ enabled: false,
+
+ files: {},
+
+ add: function ( key, file ) {
+
+ if ( this.enabled === false ) return;
+
+ // console.log( 'THREE.Cache', 'Adding key:', key );
+
+ this.files[ key ] = file;
+
+ },
+
+ get: function ( key ) {
+
+ if ( this.enabled === false ) return;
+
+ // console.log( 'THREE.Cache', 'Checking key:', key );
+
+ return this.files[ key ];
+
+ },
+
+ remove: function ( key ) {
+
+ delete this.files[ key ];
+
+ },
+
+ clear: function () {
+
+ this.files = {};
+
+ }
+
+ };
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function LoadingManager( onLoad, onProgress, onError ) {
+
+ var scope = this;
+
+ var isLoading = false;
+ var itemsLoaded = 0;
+ var itemsTotal = 0;
+ var urlModifier = undefined;
+
+ this.onStart = undefined;
+ this.onLoad = onLoad;
+ this.onProgress = onProgress;
+ this.onError = onError;
+
+ this.itemStart = function ( url ) {
+
+ itemsTotal ++;
+
+ if ( isLoading === false ) {
+
+ if ( scope.onStart !== undefined ) {
+
+ scope.onStart( url, itemsLoaded, itemsTotal );
+
+ }
+
+ }
+
+ isLoading = true;
+
+ };
+
+ this.itemEnd = function ( url ) {
+
+ itemsLoaded ++;
+
+ if ( scope.onProgress !== undefined ) {
+
+ scope.onProgress( url, itemsLoaded, itemsTotal );
+
+ }
+
+ if ( itemsLoaded === itemsTotal ) {
+
+ isLoading = false;
+
+ if ( scope.onLoad !== undefined ) {
+
+ scope.onLoad();
+
+ }
+
+ }
+
+ };
+
+ this.itemError = function ( url ) {
+
+ if ( scope.onError !== undefined ) {
+
+ scope.onError( url );
+
+ }
+
+ };
+
+ this.resolveURL = function ( url ) {
+
+ if ( urlModifier ) {
+
+ return urlModifier( url );
+
+ }
+
+ return url;
+
+ };
+
+ this.setURLModifier = function ( transform ) {
+
+ urlModifier = transform;
+ return this;
+
+ };
+
+ }
+
+ var DefaultLoadingManager = new LoadingManager();
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ var loading = {};
+
+ function FileLoader( manager ) {
+
+ this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;
+
+ }
+
+ Object.assign( FileLoader.prototype, {
+
+ load: function ( url, onLoad, onProgress, onError ) {
+
+ if ( url === undefined ) url = '';
+
+ if ( this.path !== undefined ) url = this.path + url;
+
+ url = this.manager.resolveURL( url );
+
+ var scope = this;
+
+ var cached = Cache.get( url );
+
+ if ( cached !== undefined ) {
+
+ scope.manager.itemStart( url );
+
+ setTimeout( function () {
+
+ if ( onLoad ) onLoad( cached );
+
+ scope.manager.itemEnd( url );
+
+ }, 0 );
+
+ return cached;
+
+ }
+
+ // Check if request is duplicate
+
+ if ( loading[ url ] !== undefined ) {
+
+ loading[ url ].push( {
+
+ onLoad: onLoad,
+ onProgress: onProgress,
+ onError: onError
+
+ } );
+
+ return;
+
+ }
+
+ // Check for data: URI
+ var dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/;
+ var dataUriRegexResult = url.match( dataUriRegex );
+
+ // Safari can not handle Data URIs through XMLHttpRequest so process manually
+ if ( dataUriRegexResult ) {
+
+ var mimeType = dataUriRegexResult[ 1 ];
+ var isBase64 = !! dataUriRegexResult[ 2 ];
+ var data = dataUriRegexResult[ 3 ];
+
+ data = window.decodeURIComponent( data );
+
+ if ( isBase64 ) data = window.atob( data );
+
+ try {
+
+ var response;
+ var responseType = ( this.responseType || '' ).toLowerCase();
+
+ switch ( responseType ) {
+
+ case 'arraybuffer':
+ case 'blob':
+
+ var view = new Uint8Array( data.length );
+
+ for ( var i = 0; i < data.length; i ++ ) {
+
+ view[ i ] = data.charCodeAt( i );
+
+ }
+
+ if ( responseType === 'blob' ) {
+
+ response = new Blob( [ view.buffer ], { type: mimeType } );
+
+ } else {
+
+ response = view.buffer;
+
+ }
+
+ break;
+
+ case 'document':
+
+ var parser = new DOMParser();
+ response = parser.parseFromString( data, mimeType );
+
+ break;
+
+ case 'json':
+
+ response = JSON.parse( data );
+
+ break;
+
+ default: // 'text' or other
+
+ response = data;
+
+ break;
+
+ }
+
+ // Wait for next browser tick like standard XMLHttpRequest event dispatching does
+ window.setTimeout( function () {
+
+ if ( onLoad ) onLoad( response );
+
+ scope.manager.itemEnd( url );
+
+ }, 0 );
+
+ } catch ( error ) {
+
+ // Wait for next browser tick like standard XMLHttpRequest event dispatching does
+ window.setTimeout( function () {
+
+ if ( onError ) onError( error );
+
+ scope.manager.itemEnd( url );
+ scope.manager.itemError( url );
+
+ }, 0 );
+
+ }
+
+ } else {
+
+ // Initialise array for duplicate requests
+
+ loading[ url ] = [];
+
+ loading[ url ].push( {
+
+ onLoad: onLoad,
+ onProgress: onProgress,
+ onError: onError
+
+ } );
+
+ var request = new XMLHttpRequest();
+
+ request.open( 'GET', url, true );
+
+ request.addEventListener( 'load', function ( event ) {
+
+ var response = this.response;
+
+ Cache.add( url, response );
+
+ var callbacks = loading[ url ];
+
+ delete loading[ url ];
+
+ if ( this.status === 200 ) {
+
+ for ( var i = 0, il = callbacks.length; i < il; i ++ ) {
+
+ var callback = callbacks[ i ];
+ if ( callback.onLoad ) callback.onLoad( response );
+
+ }
+
+ scope.manager.itemEnd( url );
+
+ } else if ( this.status === 0 ) {
+
+ // Some browsers return HTTP Status 0 when using non-http protocol
+ // e.g. 'file://' or 'data://'. Handle as success.
+
+ console.warn( 'THREE.FileLoader: HTTP Status 0 received.' );
+
+ for ( var i = 0, il = callbacks.length; i < il; i ++ ) {
+
+ var callback = callbacks[ i ];
+ if ( callback.onLoad ) callback.onLoad( response );
+
+ }
+
+ scope.manager.itemEnd( url );
+
+ } else {
+
+ for ( var i = 0, il = callbacks.length; i < il; i ++ ) {
+
+ var callback = callbacks[ i ];
+ if ( callback.onError ) callback.onError( event );
+
+ }
+
+ scope.manager.itemEnd( url );
+ scope.manager.itemError( url );
+
+ }
+
+ }, false );
+
+ request.addEventListener( 'progress', function ( event ) {
+
+ var callbacks = loading[ url ];
+
+ for ( var i = 0, il = callbacks.length; i < il; i ++ ) {
+
+ var callback = callbacks[ i ];
+ if ( callback.onProgress ) callback.onProgress( event );
+
+ }
+
+ }, false );
+
+ request.addEventListener( 'error', function ( event ) {
+
+ var callbacks = loading[ url ];
+
+ delete loading[ url ];
+
+ for ( var i = 0, il = callbacks.length; i < il; i ++ ) {
+
+ var callback = callbacks[ i ];
+ if ( callback.onError ) callback.onError( event );
+
+ }
+
+ scope.manager.itemEnd( url );
+ scope.manager.itemError( url );
+
+ }, false );
+
+ if ( this.responseType !== undefined ) request.responseType = this.responseType;
+ if ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials;
+
+ if ( request.overrideMimeType ) request.overrideMimeType( this.mimeType !== undefined ? this.mimeType : 'text/plain' );
+
+ for ( var header in this.requestHeader ) {
+
+ request.setRequestHeader( header, this.requestHeader[ header ] );
+
+ }
+
+ request.send( null );
+
+ }
+
+ scope.manager.itemStart( url );
+
+ return request;
+
+ },
+
+ setPath: function ( value ) {
+
+ this.path = value;
+ return this;
+
+ },
+
+ setResponseType: function ( value ) {
+
+ this.responseType = value;
+ return this;
+
+ },
+
+ setWithCredentials: function ( value ) {
+
+ this.withCredentials = value;
+ return this;
+
+ },
+
+ setMimeType: function ( value ) {
+
+ this.mimeType = value;
+ return this;
+
+ },
+
+ setRequestHeader: function ( value ) {
+
+ this.requestHeader = value;
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ *
+ * Abstract Base class to block based textures loader (dds, pvr, ...)
+ */
+
+ function CompressedTextureLoader( manager ) {
+
+ this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;
+
+ // override in sub classes
+ this._parser = null;
+
+ }
+
+ Object.assign( CompressedTextureLoader.prototype, {
+
+ load: function ( url, onLoad, onProgress, onError ) {
+
+ var scope = this;
+
+ var images = [];
+
+ var texture = new CompressedTexture();
+ texture.image = images;
+
+ var loader = new FileLoader( this.manager );
+ loader.setPath( this.path );
+ loader.setResponseType( 'arraybuffer' );
+
+ function loadTexture( i ) {
+
+ loader.load( url[ i ], function ( buffer ) {
+
+ var texDatas = scope._parser( buffer, true );
+
+ images[ i ] = {
+ width: texDatas.width,
+ height: texDatas.height,
+ format: texDatas.format,
+ mipmaps: texDatas.mipmaps
+ };
+
+ loaded += 1;
+
+ if ( loaded === 6 ) {
+
+ if ( texDatas.mipmapCount === 1 )
+ texture.minFilter = LinearFilter;
+
+ texture.format = texDatas.format;
+ texture.needsUpdate = true;
+
+ if ( onLoad ) onLoad( texture );
+
+ }
+
+ }, onProgress, onError );
+
+ }
+
+ if ( Array.isArray( url ) ) {
+
+ var loaded = 0;
+
+ for ( var i = 0, il = url.length; i < il; ++ i ) {
+
+ loadTexture( i );
+
+ }
+
+ } else {
+
+ // compressed cubemap texture stored in a single DDS file
+
+ loader.load( url, function ( buffer ) {
+
+ var texDatas = scope._parser( buffer, true );
+
+ if ( texDatas.isCubemap ) {
+
+ var faces = texDatas.mipmaps.length / texDatas.mipmapCount;
+
+ for ( var f = 0; f < faces; f ++ ) {
+
+ images[ f ] = { mipmaps: [] };
+
+ for ( var i = 0; i < texDatas.mipmapCount; i ++ ) {
+
+ images[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );
+ images[ f ].format = texDatas.format;
+ images[ f ].width = texDatas.width;
+ images[ f ].height = texDatas.height;
+
+ }
+
+ }
+
+ } else {
+
+ texture.image.width = texDatas.width;
+ texture.image.height = texDatas.height;
+ texture.mipmaps = texDatas.mipmaps;
+
+ }
+
+ if ( texDatas.mipmapCount === 1 ) {
+
+ texture.minFilter = LinearFilter;
+
+ }
+
+ texture.format = texDatas.format;
+ texture.needsUpdate = true;
+
+ if ( onLoad ) onLoad( texture );
+
+ }, onProgress, onError );
+
+ }
+
+ return texture;
+
+ },
+
+ setPath: function ( value ) {
+
+ this.path = value;
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author Nikos M. / https://github.com/foo123/
+ *
+ * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)
+ */
+
+ function DataTextureLoader( manager ) {
+
+ this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;
+
+ // override in sub classes
+ this._parser = null;
+
+ }
+
+ Object.assign( DataTextureLoader.prototype, {
+
+ load: function ( url, onLoad, onProgress, onError ) {
+
+ var scope = this;
+
+ var texture = new DataTexture();
+
+ var loader = new FileLoader( this.manager );
+ loader.setResponseType( 'arraybuffer' );
+
+ loader.load( url, function ( buffer ) {
+
+ var texData = scope._parser( buffer );
+
+ if ( ! texData ) return;
+
+ if ( undefined !== texData.image ) {
+
+ texture.image = texData.image;
+
+ } else if ( undefined !== texData.data ) {
+
+ texture.image.width = texData.width;
+ texture.image.height = texData.height;
+ texture.image.data = texData.data;
+
+ }
+
+ texture.wrapS = undefined !== texData.wrapS ? texData.wrapS : ClampToEdgeWrapping;
+ texture.wrapT = undefined !== texData.wrapT ? texData.wrapT : ClampToEdgeWrapping;
+
+ texture.magFilter = undefined !== texData.magFilter ? texData.magFilter : LinearFilter;
+ texture.minFilter = undefined !== texData.minFilter ? texData.minFilter : LinearMipMapLinearFilter;
+
+ texture.anisotropy = undefined !== texData.anisotropy ? texData.anisotropy : 1;
+
+ if ( undefined !== texData.format ) {
+
+ texture.format = texData.format;
+
+ }
+ if ( undefined !== texData.type ) {
+
+ texture.type = texData.type;
+
+ }
+
+ if ( undefined !== texData.mipmaps ) {
+
+ texture.mipmaps = texData.mipmaps;
+
+ }
+
+ if ( 1 === texData.mipmapCount ) {
+
+ texture.minFilter = LinearFilter;
+
+ }
+
+ texture.needsUpdate = true;
+
+ if ( onLoad ) onLoad( texture, texData );
+
+ }, onProgress, onError );
+
+
+ return texture;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function ImageLoader( manager ) {
+
+ this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;
+
+ }
+
+ Object.assign( ImageLoader.prototype, {
+
+ crossOrigin: 'Anonymous',
+
+ load: function ( url, onLoad, onProgress, onError ) {
+
+ if ( url === undefined ) url = '';
+
+ if ( this.path !== undefined ) url = this.path + url;
+
+ url = this.manager.resolveURL( url );
+
+ var scope = this;
+
+ var cached = Cache.get( url );
+
+ if ( cached !== undefined ) {
+
+ scope.manager.itemStart( url );
+
+ setTimeout( function () {
+
+ if ( onLoad ) onLoad( cached );
+
+ scope.manager.itemEnd( url );
+
+ }, 0 );
+
+ return cached;
+
+ }
+
+ var image = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'img' );
+
+ image.addEventListener( 'load', function () {
+
+ Cache.add( url, this );
+
+ if ( onLoad ) onLoad( this );
+
+ scope.manager.itemEnd( url );
+
+ }, false );
+
+ /*
+ image.addEventListener( 'progress', function ( event ) {
+
+ if ( onProgress ) onProgress( event );
+
+ }, false );
+ */
+
+ image.addEventListener( 'error', function ( event ) {
+
+ if ( onError ) onError( event );
+
+ scope.manager.itemEnd( url );
+ scope.manager.itemError( url );
+
+ }, false );
+
+ if ( url.substr( 0, 5 ) !== 'data:' ) {
+
+ if ( this.crossOrigin !== undefined ) image.crossOrigin = this.crossOrigin;
+
+ }
+
+ scope.manager.itemStart( url );
+
+ image.src = url;
+
+ return image;
+
+ },
+
+ setCrossOrigin: function ( value ) {
+
+ this.crossOrigin = value;
+ return this;
+
+ },
+
+ setPath: function ( value ) {
+
+ this.path = value;
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function CubeTextureLoader( manager ) {
+
+ this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;
+
+ }
+
+ Object.assign( CubeTextureLoader.prototype, {
+
+ crossOrigin: 'Anonymous',
+
+ load: function ( urls, onLoad, onProgress, onError ) {
+
+ var texture = new CubeTexture();
+
+ var loader = new ImageLoader( this.manager );
+ loader.setCrossOrigin( this.crossOrigin );
+ loader.setPath( this.path );
+
+ var loaded = 0;
+
+ function loadTexture( i ) {
+
+ loader.load( urls[ i ], function ( image ) {
+
+ texture.images[ i ] = image;
+
+ loaded ++;
+
+ if ( loaded === 6 ) {
+
+ texture.needsUpdate = true;
+
+ if ( onLoad ) onLoad( texture );
+
+ }
+
+ }, undefined, onError );
+
+ }
+
+ for ( var i = 0; i < urls.length; ++ i ) {
+
+ loadTexture( i );
+
+ }
+
+ return texture;
+
+ },
+
+ setCrossOrigin: function ( value ) {
+
+ this.crossOrigin = value;
+ return this;
+
+ },
+
+ setPath: function ( value ) {
+
+ this.path = value;
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function TextureLoader( manager ) {
+
+ this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;
+
+ }
+
+ Object.assign( TextureLoader.prototype, {
+
+ crossOrigin: 'Anonymous',
+
+ load: function ( url, onLoad, onProgress, onError ) {
+
+ var texture = new Texture();
+
+ var loader = new ImageLoader( this.manager );
+ loader.setCrossOrigin( this.crossOrigin );
+ loader.setPath( this.path );
+
+ loader.load( url, function ( image ) {
+
+ texture.image = image;
+
+ // JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB.
+ var isJPEG = url.search( /\.(jpg|jpeg)$/ ) > 0 || url.search( /^data\:image\/jpeg/ ) === 0;
+
+ texture.format = isJPEG ? RGBFormat : RGBAFormat;
+ texture.needsUpdate = true;
+
+ if ( onLoad !== undefined ) {
+
+ onLoad( texture );
+
+ }
+
+ }, onProgress, onError );
+
+ return texture;
+
+ },
+
+ setCrossOrigin: function ( value ) {
+
+ this.crossOrigin = value;
+ return this;
+
+ },
+
+ setPath: function ( value ) {
+
+ this.path = value;
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ * Extensible curve object
+ *
+ * Some common of curve methods:
+ * .getPoint( t, optionalTarget ), .getTangent( t )
+ * .getPointAt( u, optionalTarget ), .getTangentAt( u )
+ * .getPoints(), .getSpacedPoints()
+ * .getLength()
+ * .updateArcLengths()
+ *
+ * This following curves inherit from THREE.Curve:
+ *
+ * -- 2D curves --
+ * THREE.ArcCurve
+ * THREE.CubicBezierCurve
+ * THREE.EllipseCurve
+ * THREE.LineCurve
+ * THREE.QuadraticBezierCurve
+ * THREE.SplineCurve
+ *
+ * -- 3D curves --
+ * THREE.CatmullRomCurve3
+ * THREE.CubicBezierCurve3
+ * THREE.LineCurve3
+ * THREE.QuadraticBezierCurve3
+ *
+ * A series of curves can be represented as a THREE.CurvePath.
+ *
+ **/
+
+ /**************************************************************
+ * Abstract Curve base class
+ **************************************************************/
+
+ function Curve() {
+
+ this.type = 'Curve';
+
+ this.arcLengthDivisions = 200;
+
+ }
+
+ Object.assign( Curve.prototype, {
+
+ // Virtual base class method to overwrite and implement in subclasses
+ // - t [0 .. 1]
+
+ getPoint: function ( /* t, optionalTarget */ ) {
+
+ console.warn( 'THREE.Curve: .getPoint() not implemented.' );
+ return null;
+
+ },
+
+ // Get point at relative position in curve according to arc length
+ // - u [0 .. 1]
+
+ getPointAt: function ( u, optionalTarget ) {
+
+ var t = this.getUtoTmapping( u );
+ return this.getPoint( t, optionalTarget );
+
+ },
+
+ // Get sequence of points using getPoint( t )
+
+ getPoints: function ( divisions ) {
+
+ if ( divisions === undefined ) divisions = 5;
+
+ var points = [];
+
+ for ( var d = 0; d <= divisions; d ++ ) {
+
+ points.push( this.getPoint( d / divisions ) );
+
+ }
+
+ return points;
+
+ },
+
+ // Get sequence of points using getPointAt( u )
+
+ getSpacedPoints: function ( divisions ) {
+
+ if ( divisions === undefined ) divisions = 5;
+
+ var points = [];
+
+ for ( var d = 0; d <= divisions; d ++ ) {
+
+ points.push( this.getPointAt( d / divisions ) );
+
+ }
+
+ return points;
+
+ },
+
+ // Get total curve arc length
+
+ getLength: function () {
+
+ var lengths = this.getLengths();
+ return lengths[ lengths.length - 1 ];
+
+ },
+
+ // Get list of cumulative segment lengths
+
+ getLengths: function ( divisions ) {
+
+ if ( divisions === undefined ) divisions = this.arcLengthDivisions;
+
+ if ( this.cacheArcLengths &&
+ ( this.cacheArcLengths.length === divisions + 1 ) &&
+ ! this.needsUpdate ) {
+
+ return this.cacheArcLengths;
+
+ }
+
+ this.needsUpdate = false;
+
+ var cache = [];
+ var current, last = this.getPoint( 0 );
+ var p, sum = 0;
+
+ cache.push( 0 );
+
+ for ( p = 1; p <= divisions; p ++ ) {
+
+ current = this.getPoint( p / divisions );
+ sum += current.distanceTo( last );
+ cache.push( sum );
+ last = current;
+
+ }
+
+ this.cacheArcLengths = cache;
+
+ return cache; // { sums: cache, sum: sum }; Sum is in the last element.
+
+ },
+
+ updateArcLengths: function () {
+
+ this.needsUpdate = true;
+ this.getLengths();
+
+ },
+
+ // Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant
+
+ getUtoTmapping: function ( u, distance ) {
+
+ var arcLengths = this.getLengths();
+
+ var i = 0, il = arcLengths.length;
+
+ var targetArcLength; // The targeted u distance value to get
+
+ if ( distance ) {
+
+ targetArcLength = distance;
+
+ } else {
+
+ targetArcLength = u * arcLengths[ il - 1 ];
+
+ }
+
+ // binary search for the index with largest value smaller than target u distance
+
+ var low = 0, high = il - 1, comparison;
+
+ while ( low <= high ) {
+
+ i = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats
+
+ comparison = arcLengths[ i ] - targetArcLength;
+
+ if ( comparison < 0 ) {
+
+ low = i + 1;
+
+ } else if ( comparison > 0 ) {
+
+ high = i - 1;
+
+ } else {
+
+ high = i;
+ break;
+
+ // DONE
+
+ }
+
+ }
+
+ i = high;
+
+ if ( arcLengths[ i ] === targetArcLength ) {
+
+ return i / ( il - 1 );
+
+ }
+
+ // we could get finer grain at lengths, or use simple interpolation between two points
+
+ var lengthBefore = arcLengths[ i ];
+ var lengthAfter = arcLengths[ i + 1 ];
+
+ var segmentLength = lengthAfter - lengthBefore;
+
+ // determine where we are between the 'before' and 'after' points
+
+ var segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;
+
+ // add that fractional amount to t
+
+ var t = ( i + segmentFraction ) / ( il - 1 );
+
+ return t;
+
+ },
+
+ // Returns a unit vector tangent at t
+ // In case any sub curve does not implement its tangent derivation,
+ // 2 points a small delta apart will be used to find its gradient
+ // which seems to give a reasonable approximation
+
+ getTangent: function ( t ) {
+
+ var delta = 0.0001;
+ var t1 = t - delta;
+ var t2 = t + delta;
+
+ // Capping in case of danger
+
+ if ( t1 < 0 ) t1 = 0;
+ if ( t2 > 1 ) t2 = 1;
+
+ var pt1 = this.getPoint( t1 );
+ var pt2 = this.getPoint( t2 );
+
+ var vec = pt2.clone().sub( pt1 );
+ return vec.normalize();
+
+ },
+
+ getTangentAt: function ( u ) {
+
+ var t = this.getUtoTmapping( u );
+ return this.getTangent( t );
+
+ },
+
+ computeFrenetFrames: function ( segments, closed ) {
+
+ // see http://www.cs.indiana.edu/pub/techreports/TR425.pdf
+
+ var normal = new Vector3();
+
+ var tangents = [];
+ var normals = [];
+ var binormals = [];
+
+ var vec = new Vector3();
+ var mat = new Matrix4();
+
+ var i, u, theta;
+
+ // compute the tangent vectors for each segment on the curve
+
+ for ( i = 0; i <= segments; i ++ ) {
+
+ u = i / segments;
+
+ tangents[ i ] = this.getTangentAt( u );
+ tangents[ i ].normalize();
+
+ }
+
+ // select an initial normal vector perpendicular to the first tangent vector,
+ // and in the direction of the minimum tangent xyz component
+
+ normals[ 0 ] = new Vector3();
+ binormals[ 0 ] = new Vector3();
+ var min = Number.MAX_VALUE;
+ var tx = Math.abs( tangents[ 0 ].x );
+ var ty = Math.abs( tangents[ 0 ].y );
+ var tz = Math.abs( tangents[ 0 ].z );
+
+ if ( tx <= min ) {
+
+ min = tx;
+ normal.set( 1, 0, 0 );
+
+ }
+
+ if ( ty <= min ) {
+
+ min = ty;
+ normal.set( 0, 1, 0 );
+
+ }
+
+ if ( tz <= min ) {
+
+ normal.set( 0, 0, 1 );
+
+ }
+
+ vec.crossVectors( tangents[ 0 ], normal ).normalize();
+
+ normals[ 0 ].crossVectors( tangents[ 0 ], vec );
+ binormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );
+
+
+ // compute the slowly-varying normal and binormal vectors for each segment on the curve
+
+ for ( i = 1; i <= segments; i ++ ) {
+
+ normals[ i ] = normals[ i - 1 ].clone();
+
+ binormals[ i ] = binormals[ i - 1 ].clone();
+
+ vec.crossVectors( tangents[ i - 1 ], tangents[ i ] );
+
+ if ( vec.length() > Number.EPSILON ) {
+
+ vec.normalize();
+
+ theta = Math.acos( _Math.clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors
+
+ normals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );
+
+ }
+
+ binormals[ i ].crossVectors( tangents[ i ], normals[ i ] );
+
+ }
+
+ // if the curve is closed, postprocess the vectors so the first and last normal vectors are the same
+
+ if ( closed === true ) {
+
+ theta = Math.acos( _Math.clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );
+ theta /= segments;
+
+ if ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {
+
+ theta = - theta;
+
+ }
+
+ for ( i = 1; i <= segments; i ++ ) {
+
+ // twist a little...
+ normals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );
+ binormals[ i ].crossVectors( tangents[ i ], normals[ i ] );
+
+ }
+
+ }
+
+ return {
+ tangents: tangents,
+ normals: normals,
+ binormals: binormals
+ };
+
+ },
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ },
+
+ copy: function ( source ) {
+
+ this.arcLengthDivisions = source.arcLengthDivisions;
+
+ return this;
+
+ },
+
+ toJSON: function () {
+
+ var data = {
+ metadata: {
+ version: 4.5,
+ type: 'Curve',
+ generator: 'Curve.toJSON'
+ }
+ };
+
+ data.arcLengthDivisions = this.arcLengthDivisions;
+ data.type = this.type;
+
+ return data;
+
+ },
+
+ fromJSON: function ( json ) {
+
+ this.arcLengthDivisions = json.arcLengthDivisions;
+
+ return this;
+
+ }
+
+ } );
+
+ function EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {
+
+ Curve.call( this );
+
+ this.type = 'EllipseCurve';
+
+ this.aX = aX || 0;
+ this.aY = aY || 0;
+
+ this.xRadius = xRadius || 1;
+ this.yRadius = yRadius || 1;
+
+ this.aStartAngle = aStartAngle || 0;
+ this.aEndAngle = aEndAngle || 2 * Math.PI;
+
+ this.aClockwise = aClockwise || false;
+
+ this.aRotation = aRotation || 0;
+
+ }
+
+ EllipseCurve.prototype = Object.create( Curve.prototype );
+ EllipseCurve.prototype.constructor = EllipseCurve;
+
+ EllipseCurve.prototype.isEllipseCurve = true;
+
+ EllipseCurve.prototype.getPoint = function ( t, optionalTarget ) {
+
+ var point = optionalTarget || new Vector2();
+
+ var twoPi = Math.PI * 2;
+ var deltaAngle = this.aEndAngle - this.aStartAngle;
+ var samePoints = Math.abs( deltaAngle ) < Number.EPSILON;
+
+ // ensures that deltaAngle is 0 .. 2 PI
+ while ( deltaAngle < 0 ) deltaAngle += twoPi;
+ while ( deltaAngle > twoPi ) deltaAngle -= twoPi;
+
+ if ( deltaAngle < Number.EPSILON ) {
+
+ if ( samePoints ) {
+
+ deltaAngle = 0;
+
+ } else {
+
+ deltaAngle = twoPi;
+
+ }
+
+ }
+
+ if ( this.aClockwise === true && ! samePoints ) {
+
+ if ( deltaAngle === twoPi ) {
+
+ deltaAngle = - twoPi;
+
+ } else {
+
+ deltaAngle = deltaAngle - twoPi;
+
+ }
+
+ }
+
+ var angle = this.aStartAngle + t * deltaAngle;
+ var x = this.aX + this.xRadius * Math.cos( angle );
+ var y = this.aY + this.yRadius * Math.sin( angle );
+
+ if ( this.aRotation !== 0 ) {
+
+ var cos = Math.cos( this.aRotation );
+ var sin = Math.sin( this.aRotation );
+
+ var tx = x - this.aX;
+ var ty = y - this.aY;
+
+ // Rotate the point about the center of the ellipse.
+ x = tx * cos - ty * sin + this.aX;
+ y = tx * sin + ty * cos + this.aY;
+
+ }
+
+ return point.set( x, y );
+
+ };
+
+ EllipseCurve.prototype.copy = function ( source ) {
+
+ Curve.prototype.copy.call( this, source );
+
+ this.aX = source.aX;
+ this.aY = source.aY;
+
+ this.xRadius = source.xRadius;
+ this.yRadius = source.yRadius;
+
+ this.aStartAngle = source.aStartAngle;
+ this.aEndAngle = source.aEndAngle;
+
+ this.aClockwise = source.aClockwise;
+
+ this.aRotation = source.aRotation;
+
+ return this;
+
+ };
+
+
+ EllipseCurve.prototype.toJSON = function () {
+
+ var data = Curve.prototype.toJSON.call( this );
+
+ data.aX = this.aX;
+ data.aY = this.aY;
+
+ data.xRadius = this.xRadius;
+ data.yRadius = this.yRadius;
+
+ data.aStartAngle = this.aStartAngle;
+ data.aEndAngle = this.aEndAngle;
+
+ data.aClockwise = this.aClockwise;
+
+ data.aRotation = this.aRotation;
+
+ return data;
+
+ };
+
+ EllipseCurve.prototype.fromJSON = function ( json ) {
+
+ Curve.prototype.fromJSON.call( this, json );
+
+ this.aX = json.aX;
+ this.aY = json.aY;
+
+ this.xRadius = json.xRadius;
+ this.yRadius = json.yRadius;
+
+ this.aStartAngle = json.aStartAngle;
+ this.aEndAngle = json.aEndAngle;
+
+ this.aClockwise = json.aClockwise;
+
+ this.aRotation = json.aRotation;
+
+ return this;
+
+ };
+
+ function ArcCurve( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {
+
+ EllipseCurve.call( this, aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );
+
+ this.type = 'ArcCurve';
+
+ }
+
+ ArcCurve.prototype = Object.create( EllipseCurve.prototype );
+ ArcCurve.prototype.constructor = ArcCurve;
+
+ ArcCurve.prototype.isArcCurve = true;
+
+ /**
+ * @author zz85 https://github.com/zz85
+ *
+ * Centripetal CatmullRom Curve - which is useful for avoiding
+ * cusps and self-intersections in non-uniform catmull rom curves.
+ * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf
+ *
+ * curve.type accepts centripetal(default), chordal and catmullrom
+ * curve.tension is used for catmullrom which defaults to 0.5
+ */
+
+
+ /*
+ Based on an optimized c++ solution in
+ - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/
+ - http://ideone.com/NoEbVM
+
+ This CubicPoly class could be used for reusing some variables and calculations,
+ but for three.js curve use, it could be possible inlined and flatten into a single function call
+ which can be placed in CurveUtils.
+ */
+
+ function CubicPoly() {
+
+ var c0 = 0, c1 = 0, c2 = 0, c3 = 0;
+
+ /*
+ * Compute coefficients for a cubic polynomial
+ * p(s) = c0 + c1*s + c2*s^2 + c3*s^3
+ * such that
+ * p(0) = x0, p(1) = x1
+ * and
+ * p'(0) = t0, p'(1) = t1.
+ */
+ function init( x0, x1, t0, t1 ) {
+
+ c0 = x0;
+ c1 = t0;
+ c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;
+ c3 = 2 * x0 - 2 * x1 + t0 + t1;
+
+ }
+
+ return {
+
+ initCatmullRom: function ( x0, x1, x2, x3, tension ) {
+
+ init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );
+
+ },
+
+ initNonuniformCatmullRom: function ( x0, x1, x2, x3, dt0, dt1, dt2 ) {
+
+ // compute tangents when parameterized in [t1,t2]
+ var t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;
+ var t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;
+
+ // rescale tangents for parametrization in [0,1]
+ t1 *= dt1;
+ t2 *= dt1;
+
+ init( x1, x2, t1, t2 );
+
+ },
+
+ calc: function ( t ) {
+
+ var t2 = t * t;
+ var t3 = t2 * t;
+ return c0 + c1 * t + c2 * t2 + c3 * t3;
+
+ }
+
+ };
+
+ }
+
+ //
+
+ var tmp = new Vector3();
+ var px = new CubicPoly();
+ var py = new CubicPoly();
+ var pz = new CubicPoly();
+
+ function CatmullRomCurve3( points, closed, curveType, tension ) {
+
+ Curve.call( this );
+
+ this.type = 'CatmullRomCurve3';
+
+ this.points = points || [];
+ this.closed = closed || false;
+ this.curveType = curveType || 'centripetal';
+ this.tension = tension || 0.5;
+
+ }
+
+ CatmullRomCurve3.prototype = Object.create( Curve.prototype );
+ CatmullRomCurve3.prototype.constructor = CatmullRomCurve3;
+
+ CatmullRomCurve3.prototype.isCatmullRomCurve3 = true;
+
+ CatmullRomCurve3.prototype.getPoint = function ( t, optionalTarget ) {
+
+ var point = optionalTarget || new Vector3();
+
+ var points = this.points;
+ var l = points.length;
+
+ var p = ( l - ( this.closed ? 0 : 1 ) ) * t;
+ var intPoint = Math.floor( p );
+ var weight = p - intPoint;
+
+ if ( this.closed ) {
+
+ intPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / points.length ) + 1 ) * points.length;
+
+ } else if ( weight === 0 && intPoint === l - 1 ) {
+
+ intPoint = l - 2;
+ weight = 1;
+
+ }
+
+ var p0, p1, p2, p3; // 4 points
+
+ if ( this.closed || intPoint > 0 ) {
+
+ p0 = points[ ( intPoint - 1 ) % l ];
+
+ } else {
+
+ // extrapolate first point
+ tmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );
+ p0 = tmp;
+
+ }
+
+ p1 = points[ intPoint % l ];
+ p2 = points[ ( intPoint + 1 ) % l ];
+
+ if ( this.closed || intPoint + 2 < l ) {
+
+ p3 = points[ ( intPoint + 2 ) % l ];
+
+ } else {
+
+ // extrapolate last point
+ tmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );
+ p3 = tmp;
+
+ }
+
+ if ( this.curveType === 'centripetal' || this.curveType === 'chordal' ) {
+
+ // init Centripetal / Chordal Catmull-Rom
+ var pow = this.curveType === 'chordal' ? 0.5 : 0.25;
+ var dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );
+ var dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );
+ var dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );
+
+ // safety check for repeated points
+ if ( dt1 < 1e-4 ) dt1 = 1.0;
+ if ( dt0 < 1e-4 ) dt0 = dt1;
+ if ( dt2 < 1e-4 ) dt2 = dt1;
+
+ px.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );
+ py.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );
+ pz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );
+
+ } else if ( this.curveType === 'catmullrom' ) {
+
+ px.initCatmullRom( p0.x, p1.x, p2.x, p3.x, this.tension );
+ py.initCatmullRom( p0.y, p1.y, p2.y, p3.y, this.tension );
+ pz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, this.tension );
+
+ }
+
+ point.set(
+ px.calc( weight ),
+ py.calc( weight ),
+ pz.calc( weight )
+ );
+
+ return point;
+
+ };
+
+ CatmullRomCurve3.prototype.copy = function ( source ) {
+
+ Curve.prototype.copy.call( this, source );
+
+ this.points = [];
+
+ for ( var i = 0, l = source.points.length; i < l; i ++ ) {
+
+ var point = source.points[ i ];
+
+ this.points.push( point.clone() );
+
+ }
+
+ this.closed = source.closed;
+ this.curveType = source.curveType;
+ this.tension = source.tension;
+
+ return this;
+
+ };
+
+ CatmullRomCurve3.prototype.toJSON = function () {
+
+ var data = Curve.prototype.toJSON.call( this );
+
+ data.points = [];
+
+ for ( var i = 0, l = this.points.length; i < l; i ++ ) {
+
+ var point = this.points[ i ];
+ data.points.push( point.toArray() );
+
+ }
+
+ data.closed = this.closed;
+ data.curveType = this.curveType;
+ data.tension = this.tension;
+
+ return data;
+
+ };
+
+ CatmullRomCurve3.prototype.fromJSON = function ( json ) {
+
+ Curve.prototype.fromJSON.call( this, json );
+
+ this.points = [];
+
+ for ( var i = 0, l = json.points.length; i < l; i ++ ) {
+
+ var point = json.points[ i ];
+ this.points.push( new Vector3().fromArray( point ) );
+
+ }
+
+ this.closed = json.closed;
+ this.curveType = json.curveType;
+ this.tension = json.tension;
+
+ return this;
+
+ };
+
+ /**
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ *
+ * Bezier Curves formulas obtained from
+ * http://en.wikipedia.org/wiki/Bézier_curve
+ */
+
+ function CatmullRom( t, p0, p1, p2, p3 ) {
+
+ var v0 = ( p2 - p0 ) * 0.5;
+ var v1 = ( p3 - p1 ) * 0.5;
+ var t2 = t * t;
+ var t3 = t * t2;
+ return ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;
+
+ }
+
+ //
+
+ function QuadraticBezierP0( t, p ) {
+
+ var k = 1 - t;
+ return k * k * p;
+
+ }
+
+ function QuadraticBezierP1( t, p ) {
+
+ return 2 * ( 1 - t ) * t * p;
+
+ }
+
+ function QuadraticBezierP2( t, p ) {
+
+ return t * t * p;
+
+ }
+
+ function QuadraticBezier( t, p0, p1, p2 ) {
+
+ return QuadraticBezierP0( t, p0 ) + QuadraticBezierP1( t, p1 ) +
+ QuadraticBezierP2( t, p2 );
+
+ }
+
+ //
+
+ function CubicBezierP0( t, p ) {
+
+ var k = 1 - t;
+ return k * k * k * p;
+
+ }
+
+ function CubicBezierP1( t, p ) {
+
+ var k = 1 - t;
+ return 3 * k * k * t * p;
+
+ }
+
+ function CubicBezierP2( t, p ) {
+
+ return 3 * ( 1 - t ) * t * t * p;
+
+ }
+
+ function CubicBezierP3( t, p ) {
+
+ return t * t * t * p;
+
+ }
+
+ function CubicBezier( t, p0, p1, p2, p3 ) {
+
+ return CubicBezierP0( t, p0 ) + CubicBezierP1( t, p1 ) + CubicBezierP2( t, p2 ) +
+ CubicBezierP3( t, p3 );
+
+ }
+
+ function CubicBezierCurve( v0, v1, v2, v3 ) {
+
+ Curve.call( this );
+
+ this.type = 'CubicBezierCurve';
+
+ this.v0 = v0 || new Vector2();
+ this.v1 = v1 || new Vector2();
+ this.v2 = v2 || new Vector2();
+ this.v3 = v3 || new Vector2();
+
+ }
+
+ CubicBezierCurve.prototype = Object.create( Curve.prototype );
+ CubicBezierCurve.prototype.constructor = CubicBezierCurve;
+
+ CubicBezierCurve.prototype.isCubicBezierCurve = true;
+
+ CubicBezierCurve.prototype.getPoint = function ( t, optionalTarget ) {
+
+ var point = optionalTarget || new Vector2();
+
+ var v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;
+
+ point.set(
+ CubicBezier( t, v0.x, v1.x, v2.x, v3.x ),
+ CubicBezier( t, v0.y, v1.y, v2.y, v3.y )
+ );
+
+ return point;
+
+ };
+
+ CubicBezierCurve.prototype.copy = function ( source ) {
+
+ Curve.prototype.copy.call( this, source );
+
+ this.v0.copy( source.v0 );
+ this.v1.copy( source.v1 );
+ this.v2.copy( source.v2 );
+ this.v3.copy( source.v3 );
+
+ return this;
+
+ };
+
+ CubicBezierCurve.prototype.toJSON = function () {
+
+ var data = Curve.prototype.toJSON.call( this );
+
+ data.v0 = this.v0.toArray();
+ data.v1 = this.v1.toArray();
+ data.v2 = this.v2.toArray();
+ data.v3 = this.v3.toArray();
+
+ return data;
+
+ };
+
+ CubicBezierCurve.prototype.fromJSON = function ( json ) {
+
+ Curve.prototype.fromJSON.call( this, json );
+
+ this.v0.fromArray( json.v0 );
+ this.v1.fromArray( json.v1 );
+ this.v2.fromArray( json.v2 );
+ this.v3.fromArray( json.v3 );
+
+ return this;
+
+ };
+
+ function CubicBezierCurve3( v0, v1, v2, v3 ) {
+
+ Curve.call( this );
+
+ this.type = 'CubicBezierCurve3';
+
+ this.v0 = v0 || new Vector3();
+ this.v1 = v1 || new Vector3();
+ this.v2 = v2 || new Vector3();
+ this.v3 = v3 || new Vector3();
+
+ }
+
+ CubicBezierCurve3.prototype = Object.create( Curve.prototype );
+ CubicBezierCurve3.prototype.constructor = CubicBezierCurve3;
+
+ CubicBezierCurve3.prototype.isCubicBezierCurve3 = true;
+
+ CubicBezierCurve3.prototype.getPoint = function ( t, optionalTarget ) {
+
+ var point = optionalTarget || new Vector3();
+
+ var v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;
+
+ point.set(
+ CubicBezier( t, v0.x, v1.x, v2.x, v3.x ),
+ CubicBezier( t, v0.y, v1.y, v2.y, v3.y ),
+ CubicBezier( t, v0.z, v1.z, v2.z, v3.z )
+ );
+
+ return point;
+
+ };
+
+ CubicBezierCurve3.prototype.copy = function ( source ) {
+
+ Curve.prototype.copy.call( this, source );
+
+ this.v0.copy( source.v0 );
+ this.v1.copy( source.v1 );
+ this.v2.copy( source.v2 );
+ this.v3.copy( source.v3 );
+
+ return this;
+
+ };
+
+ CubicBezierCurve3.prototype.toJSON = function () {
+
+ var data = Curve.prototype.toJSON.call( this );
+
+ data.v0 = this.v0.toArray();
+ data.v1 = this.v1.toArray();
+ data.v2 = this.v2.toArray();
+ data.v3 = this.v3.toArray();
+
+ return data;
+
+ };
+
+ CubicBezierCurve3.prototype.fromJSON = function ( json ) {
+
+ Curve.prototype.fromJSON.call( this, json );
+
+ this.v0.fromArray( json.v0 );
+ this.v1.fromArray( json.v1 );
+ this.v2.fromArray( json.v2 );
+ this.v3.fromArray( json.v3 );
+
+ return this;
+
+ };
+
+ function LineCurve( v1, v2 ) {
+
+ Curve.call( this );
+
+ this.type = 'LineCurve';
+
+ this.v1 = v1 || new Vector2();
+ this.v2 = v2 || new Vector2();
+
+ }
+
+ LineCurve.prototype = Object.create( Curve.prototype );
+ LineCurve.prototype.constructor = LineCurve;
+
+ LineCurve.prototype.isLineCurve = true;
+
+ LineCurve.prototype.getPoint = function ( t, optionalTarget ) {
+
+ var point = optionalTarget || new Vector2();
+
+ if ( t === 1 ) {
+
+ point.copy( this.v2 );
+
+ } else {
+
+ point.copy( this.v2 ).sub( this.v1 );
+ point.multiplyScalar( t ).add( this.v1 );
+
+ }
+
+ return point;
+
+ };
+
+ // Line curve is linear, so we can overwrite default getPointAt
+
+ LineCurve.prototype.getPointAt = function ( u, optionalTarget ) {
+
+ return this.getPoint( u, optionalTarget );
+
+ };
+
+ LineCurve.prototype.getTangent = function ( /* t */ ) {
+
+ var tangent = this.v2.clone().sub( this.v1 );
+
+ return tangent.normalize();
+
+ };
+
+ LineCurve.prototype.copy = function ( source ) {
+
+ Curve.prototype.copy.call( this, source );
+
+ this.v1.copy( source.v1 );
+ this.v2.copy( source.v2 );
+
+ return this;
+
+ };
+
+ LineCurve.prototype.toJSON = function () {
+
+ var data = Curve.prototype.toJSON.call( this );
+
+ data.v1 = this.v1.toArray();
+ data.v2 = this.v2.toArray();
+
+ return data;
+
+ };
+
+ LineCurve.prototype.fromJSON = function ( json ) {
+
+ Curve.prototype.fromJSON.call( this, json );
+
+ this.v1.fromArray( json.v1 );
+ this.v2.fromArray( json.v2 );
+
+ return this;
+
+ };
+
+ function LineCurve3( v1, v2 ) {
+
+ Curve.call( this );
+
+ this.type = 'LineCurve3';
+
+ this.v1 = v1 || new Vector3();
+ this.v2 = v2 || new Vector3();
+
+ }
+
+ LineCurve3.prototype = Object.create( Curve.prototype );
+ LineCurve3.prototype.constructor = LineCurve3;
+
+ LineCurve3.prototype.isLineCurve3 = true;
+
+ LineCurve3.prototype.getPoint = function ( t, optionalTarget ) {
+
+ var point = optionalTarget || new Vector3();
+
+ if ( t === 1 ) {
+
+ point.copy( this.v2 );
+
+ } else {
+
+ point.copy( this.v2 ).sub( this.v1 );
+ point.multiplyScalar( t ).add( this.v1 );
+
+ }
+
+ return point;
+
+ };
+
+ // Line curve is linear, so we can overwrite default getPointAt
+
+ LineCurve3.prototype.getPointAt = function ( u, optionalTarget ) {
+
+ return this.getPoint( u, optionalTarget );
+
+ };
+
+ LineCurve3.prototype.copy = function ( source ) {
+
+ Curve.prototype.copy.call( this, source );
+
+ this.v1.copy( source.v1 );
+ this.v2.copy( source.v2 );
+
+ return this;
+
+ };
+
+ LineCurve3.prototype.toJSON = function () {
+
+ var data = Curve.prototype.toJSON.call( this );
+
+ data.v1 = this.v1.toArray();
+ data.v2 = this.v2.toArray();
+
+ return data;
+
+ };
+
+ LineCurve3.prototype.fromJSON = function ( json ) {
+
+ Curve.prototype.fromJSON.call( this, json );
+
+ this.v1.fromArray( json.v1 );
+ this.v2.fromArray( json.v2 );
+
+ return this;
+
+ };
+
+ function QuadraticBezierCurve( v0, v1, v2 ) {
+
+ Curve.call( this );
+
+ this.type = 'QuadraticBezierCurve';
+
+ this.v0 = v0 || new Vector2();
+ this.v1 = v1 || new Vector2();
+ this.v2 = v2 || new Vector2();
+
+ }
+
+ QuadraticBezierCurve.prototype = Object.create( Curve.prototype );
+ QuadraticBezierCurve.prototype.constructor = QuadraticBezierCurve;
+
+ QuadraticBezierCurve.prototype.isQuadraticBezierCurve = true;
+
+ QuadraticBezierCurve.prototype.getPoint = function ( t, optionalTarget ) {
+
+ var point = optionalTarget || new Vector2();
+
+ var v0 = this.v0, v1 = this.v1, v2 = this.v2;
+
+ point.set(
+ QuadraticBezier( t, v0.x, v1.x, v2.x ),
+ QuadraticBezier( t, v0.y, v1.y, v2.y )
+ );
+
+ return point;
+
+ };
+
+ QuadraticBezierCurve.prototype.copy = function ( source ) {
+
+ Curve.prototype.copy.call( this, source );
+
+ this.v0.copy( source.v0 );
+ this.v1.copy( source.v1 );
+ this.v2.copy( source.v2 );
+
+ return this;
+
+ };
+
+ QuadraticBezierCurve.prototype.toJSON = function () {
+
+ var data = Curve.prototype.toJSON.call( this );
+
+ data.v0 = this.v0.toArray();
+ data.v1 = this.v1.toArray();
+ data.v2 = this.v2.toArray();
+
+ return data;
+
+ };
+
+ QuadraticBezierCurve.prototype.fromJSON = function ( json ) {
+
+ Curve.prototype.fromJSON.call( this, json );
+
+ this.v0.fromArray( json.v0 );
+ this.v1.fromArray( json.v1 );
+ this.v2.fromArray( json.v2 );
+
+ return this;
+
+ };
+
+ function QuadraticBezierCurve3( v0, v1, v2 ) {
+
+ Curve.call( this );
+
+ this.type = 'QuadraticBezierCurve3';
+
+ this.v0 = v0 || new Vector3();
+ this.v1 = v1 || new Vector3();
+ this.v2 = v2 || new Vector3();
+
+ }
+
+ QuadraticBezierCurve3.prototype = Object.create( Curve.prototype );
+ QuadraticBezierCurve3.prototype.constructor = QuadraticBezierCurve3;
+
+ QuadraticBezierCurve3.prototype.isQuadraticBezierCurve3 = true;
+
+ QuadraticBezierCurve3.prototype.getPoint = function ( t, optionalTarget ) {
+
+ var point = optionalTarget || new Vector3();
+
+ var v0 = this.v0, v1 = this.v1, v2 = this.v2;
+
+ point.set(
+ QuadraticBezier( t, v0.x, v1.x, v2.x ),
+ QuadraticBezier( t, v0.y, v1.y, v2.y ),
+ QuadraticBezier( t, v0.z, v1.z, v2.z )
+ );
+
+ return point;
+
+ };
+
+ QuadraticBezierCurve3.prototype.copy = function ( source ) {
+
+ Curve.prototype.copy.call( this, source );
+
+ this.v0.copy( source.v0 );
+ this.v1.copy( source.v1 );
+ this.v2.copy( source.v2 );
+
+ return this;
+
+ };
+
+ QuadraticBezierCurve3.prototype.toJSON = function () {
+
+ var data = Curve.prototype.toJSON.call( this );
+
+ data.v0 = this.v0.toArray();
+ data.v1 = this.v1.toArray();
+ data.v2 = this.v2.toArray();
+
+ return data;
+
+ };
+
+ QuadraticBezierCurve3.prototype.fromJSON = function ( json ) {
+
+ Curve.prototype.fromJSON.call( this, json );
+
+ this.v0.fromArray( json.v0 );
+ this.v1.fromArray( json.v1 );
+ this.v2.fromArray( json.v2 );
+
+ return this;
+
+ };
+
+ function SplineCurve( points /* array of Vector2 */ ) {
+
+ Curve.call( this );
+
+ this.type = 'SplineCurve';
+
+ this.points = points || [];
+
+ }
+
+ SplineCurve.prototype = Object.create( Curve.prototype );
+ SplineCurve.prototype.constructor = SplineCurve;
+
+ SplineCurve.prototype.isSplineCurve = true;
+
+ SplineCurve.prototype.getPoint = function ( t, optionalTarget ) {
+
+ var point = optionalTarget || new Vector2();
+
+ var points = this.points;
+ var p = ( points.length - 1 ) * t;
+
+ var intPoint = Math.floor( p );
+ var weight = p - intPoint;
+
+ var p0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];
+ var p1 = points[ intPoint ];
+ var p2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];
+ var p3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];
+
+ point.set(
+ CatmullRom( weight, p0.x, p1.x, p2.x, p3.x ),
+ CatmullRom( weight, p0.y, p1.y, p2.y, p3.y )
+ );
+
+ return point;
+
+ };
+
+ SplineCurve.prototype.copy = function ( source ) {
+
+ Curve.prototype.copy.call( this, source );
+
+ this.points = [];
+
+ for ( var i = 0, l = source.points.length; i < l; i ++ ) {
+
+ var point = source.points[ i ];
+
+ this.points.push( point.clone() );
+
+ }
+
+ return this;
+
+ };
+
+ SplineCurve.prototype.toJSON = function () {
+
+ var data = Curve.prototype.toJSON.call( this );
+
+ data.points = [];
+
+ for ( var i = 0, l = this.points.length; i < l; i ++ ) {
+
+ var point = this.points[ i ];
+ data.points.push( point.toArray() );
+
+ }
+
+ return data;
+
+ };
+
+ SplineCurve.prototype.fromJSON = function ( json ) {
+
+ Curve.prototype.fromJSON.call( this, json );
+
+ this.points = [];
+
+ for ( var i = 0, l = json.points.length; i < l; i ++ ) {
+
+ var point = json.points[ i ];
+ this.points.push( new Vector2().fromArray( point ) );
+
+ }
+
+ return this;
+
+ };
+
+
+
+ var Curves = Object.freeze({
+ ArcCurve: ArcCurve,
+ CatmullRomCurve3: CatmullRomCurve3,
+ CubicBezierCurve: CubicBezierCurve,
+ CubicBezierCurve3: CubicBezierCurve3,
+ EllipseCurve: EllipseCurve,
+ LineCurve: LineCurve,
+ LineCurve3: LineCurve3,
+ QuadraticBezierCurve: QuadraticBezierCurve,
+ QuadraticBezierCurve3: QuadraticBezierCurve3,
+ SplineCurve: SplineCurve
+ });
+
+ /**
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ *
+ **/
+
+ /**************************************************************
+ * Curved Path - a curve path is simply a array of connected
+ * curves, but retains the api of a curve
+ **************************************************************/
+
+ function CurvePath() {
+
+ Curve.call( this );
+
+ this.type = 'CurvePath';
+
+ this.curves = [];
+ this.autoClose = false; // Automatically closes the path
+
+ }
+
+ CurvePath.prototype = Object.assign( Object.create( Curve.prototype ), {
+
+ constructor: CurvePath,
+
+ add: function ( curve ) {
+
+ this.curves.push( curve );
+
+ },
+
+ closePath: function () {
+
+ // Add a line curve if start and end of lines are not connected
+ var startPoint = this.curves[ 0 ].getPoint( 0 );
+ var endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );
+
+ if ( ! startPoint.equals( endPoint ) ) {
+
+ this.curves.push( new LineCurve( endPoint, startPoint ) );
+
+ }
+
+ },
+
+ // To get accurate point with reference to
+ // entire path distance at time t,
+ // following has to be done:
+
+ // 1. Length of each sub path have to be known
+ // 2. Locate and identify type of curve
+ // 3. Get t for the curve
+ // 4. Return curve.getPointAt(t')
+
+ getPoint: function ( t ) {
+
+ var d = t * this.getLength();
+ var curveLengths = this.getCurveLengths();
+ var i = 0;
+
+ // To think about boundaries points.
+
+ while ( i < curveLengths.length ) {
+
+ if ( curveLengths[ i ] >= d ) {
+
+ var diff = curveLengths[ i ] - d;
+ var curve = this.curves[ i ];
+
+ var segmentLength = curve.getLength();
+ var u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;
+
+ return curve.getPointAt( u );
+
+ }
+
+ i ++;
+
+ }
+
+ return null;
+
+ // loop where sum != 0, sum > d , sum+1 <d
+
+ },
+
+ // We cannot use the default THREE.Curve getPoint() with getLength() because in
+ // THREE.Curve, getLength() depends on getPoint() but in THREE.CurvePath
+ // getPoint() depends on getLength
+
+ getLength: function () {
+
+ var lens = this.getCurveLengths();
+ return lens[ lens.length - 1 ];
+
+ },
+
+ // cacheLengths must be recalculated.
+ updateArcLengths: function () {
+
+ this.needsUpdate = true;
+ this.cacheLengths = null;
+ this.getCurveLengths();
+
+ },
+
+ // Compute lengths and cache them
+ // We cannot overwrite getLengths() because UtoT mapping uses it.
+
+ getCurveLengths: function () {
+
+ // We use cache values if curves and cache array are same length
+
+ if ( this.cacheLengths && this.cacheLengths.length === this.curves.length ) {
+
+ return this.cacheLengths;
+
+ }
+
+ // Get length of sub-curve
+ // Push sums into cached array
+
+ var lengths = [], sums = 0;
+
+ for ( var i = 0, l = this.curves.length; i < l; i ++ ) {
+
+ sums += this.curves[ i ].getLength();
+ lengths.push( sums );
+
+ }
+
+ this.cacheLengths = lengths;
+
+ return lengths;
+
+ },
+
+ getSpacedPoints: function ( divisions ) {
+
+ if ( divisions === undefined ) divisions = 40;
+
+ var points = [];
+
+ for ( var i = 0; i <= divisions; i ++ ) {
+
+ points.push( this.getPoint( i / divisions ) );
+
+ }
+
+ if ( this.autoClose ) {
+
+ points.push( points[ 0 ] );
+
+ }
+
+ return points;
+
+ },
+
+ getPoints: function ( divisions ) {
+
+ divisions = divisions || 12;
+
+ var points = [], last;
+
+ for ( var i = 0, curves = this.curves; i < curves.length; i ++ ) {
+
+ var curve = curves[ i ];
+ var resolution = ( curve && curve.isEllipseCurve ) ? divisions * 2
+ : ( curve && curve.isLineCurve ) ? 1
+ : ( curve && curve.isSplineCurve ) ? divisions * curve.points.length
+ : divisions;
+
+ var pts = curve.getPoints( resolution );
+
+ for ( var j = 0; j < pts.length; j ++ ) {
+
+ var point = pts[ j ];
+
+ if ( last && last.equals( point ) ) continue; // ensures no consecutive points are duplicates
+
+ points.push( point );
+ last = point;
+
+ }
+
+ }
+
+ if ( this.autoClose && points.length > 1 && ! points[ points.length - 1 ].equals( points[ 0 ] ) ) {
+
+ points.push( points[ 0 ] );
+
+ }
+
+ return points;
+
+ },
+
+ copy: function ( source ) {
+
+ Curve.prototype.copy.call( this, source );
+
+ this.curves = [];
+
+ for ( var i = 0, l = source.curves.length; i < l; i ++ ) {
+
+ var curve = source.curves[ i ];
+
+ this.curves.push( curve.clone() );
+
+ }
+
+ this.autoClose = source.autoClose;
+
+ return this;
+
+ },
+
+ toJSON: function () {
+
+ var data = Curve.prototype.toJSON.call( this );
+
+ data.autoClose = this.autoClose;
+ data.curves = [];
+
+ for ( var i = 0, l = this.curves.length; i < l; i ++ ) {
+
+ var curve = this.curves[ i ];
+ data.curves.push( curve.toJSON() );
+
+ }
+
+ return data;
+
+ },
+
+ fromJSON: function ( json ) {
+
+ Curve.prototype.fromJSON.call( this, json );
+
+ this.autoClose = json.autoClose;
+ this.curves = [];
+
+ for ( var i = 0, l = json.curves.length; i < l; i ++ ) {
+
+ var curve = json.curves[ i ];
+ this.curves.push( new Curves[ curve.type ]().fromJSON( curve ) );
+
+ }
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ * Creates free form 2d path using series of points, lines or curves.
+ **/
+
+ function Path( points ) {
+
+ CurvePath.call( this );
+
+ this.type = 'Path';
+
+ this.currentPoint = new Vector2();
+
+ if ( points ) {
+
+ this.setFromPoints( points );
+
+ }
+
+ }
+
+ Path.prototype = Object.assign( Object.create( CurvePath.prototype ), {
+
+ constructor: Path,
+
+ setFromPoints: function ( points ) {
+
+ this.moveTo( points[ 0 ].x, points[ 0 ].y );
+
+ for ( var i = 1, l = points.length; i < l; i ++ ) {
+
+ this.lineTo( points[ i ].x, points[ i ].y );
+
+ }
+
+ },
+
+ moveTo: function ( x, y ) {
+
+ this.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?
+
+ },
+
+ lineTo: function ( x, y ) {
+
+ var curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );
+ this.curves.push( curve );
+
+ this.currentPoint.set( x, y );
+
+ },
+
+ quadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {
+
+ var curve = new QuadraticBezierCurve(
+ this.currentPoint.clone(),
+ new Vector2( aCPx, aCPy ),
+ new Vector2( aX, aY )
+ );
+
+ this.curves.push( curve );
+
+ this.currentPoint.set( aX, aY );
+
+ },
+
+ bezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {
+
+ var curve = new CubicBezierCurve(
+ this.currentPoint.clone(),
+ new Vector2( aCP1x, aCP1y ),
+ new Vector2( aCP2x, aCP2y ),
+ new Vector2( aX, aY )
+ );
+
+ this.curves.push( curve );
+
+ this.currentPoint.set( aX, aY );
+
+ },
+
+ splineThru: function ( pts /*Array of Vector*/ ) {
+
+ var npts = [ this.currentPoint.clone() ].concat( pts );
+
+ var curve = new SplineCurve( npts );
+ this.curves.push( curve );
+
+ this.currentPoint.copy( pts[ pts.length - 1 ] );
+
+ },
+
+ arc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {
+
+ var x0 = this.currentPoint.x;
+ var y0 = this.currentPoint.y;
+
+ this.absarc( aX + x0, aY + y0, aRadius,
+ aStartAngle, aEndAngle, aClockwise );
+
+ },
+
+ absarc: function ( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {
+
+ this.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );
+
+ },
+
+ ellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {
+
+ var x0 = this.currentPoint.x;
+ var y0 = this.currentPoint.y;
+
+ this.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );
+
+ },
+
+ absellipse: function ( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {
+
+ var curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );
+
+ if ( this.curves.length > 0 ) {
+
+ // if a previous curve is present, attempt to join
+ var firstPoint = curve.getPoint( 0 );
+
+ if ( ! firstPoint.equals( this.currentPoint ) ) {
+
+ this.lineTo( firstPoint.x, firstPoint.y );
+
+ }
+
+ }
+
+ this.curves.push( curve );
+
+ var lastPoint = curve.getPoint( 1 );
+ this.currentPoint.copy( lastPoint );
+
+ },
+
+ copy: function ( source ) {
+
+ CurvePath.prototype.copy.call( this, source );
+
+ this.currentPoint.copy( source.currentPoint );
+
+ return this;
+
+ },
+
+ toJSON: function () {
+
+ var data = CurvePath.prototype.toJSON.call( this );
+
+ data.currentPoint = this.currentPoint.toArray();
+
+ return data;
+
+ },
+
+ fromJSON: function ( json ) {
+
+ CurvePath.prototype.fromJSON.call( this, json );
+
+ this.currentPoint.fromArray( json.currentPoint );
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ * Defines a 2d shape plane using paths.
+ **/
+
+ // STEP 1 Create a path.
+ // STEP 2 Turn path into shape.
+ // STEP 3 ExtrudeGeometry takes in Shape/Shapes
+ // STEP 3a - Extract points from each shape, turn to vertices
+ // STEP 3b - Triangulate each shape, add faces.
+
+ function Shape( points ) {
+
+ Path.call( this, points );
+
+ this.uuid = _Math.generateUUID();
+
+ this.type = 'Shape';
+
+ this.holes = [];
+
+ }
+
+ Shape.prototype = Object.assign( Object.create( Path.prototype ), {
+
+ constructor: Shape,
+
+ getPointsHoles: function ( divisions ) {
+
+ var holesPts = [];
+
+ for ( var i = 0, l = this.holes.length; i < l; i ++ ) {
+
+ holesPts[ i ] = this.holes[ i ].getPoints( divisions );
+
+ }
+
+ return holesPts;
+
+ },
+
+ // get points of shape and holes (keypoints based on segments parameter)
+
+ extractPoints: function ( divisions ) {
+
+ return {
+
+ shape: this.getPoints( divisions ),
+ holes: this.getPointsHoles( divisions )
+
+ };
+
+ },
+
+ copy: function ( source ) {
+
+ Path.prototype.copy.call( this, source );
+
+ this.holes = [];
+
+ for ( var i = 0, l = source.holes.length; i < l; i ++ ) {
+
+ var hole = source.holes[ i ];
+
+ this.holes.push( hole.clone() );
+
+ }
+
+ return this;
+
+ },
+
+ toJSON: function () {
+
+ var data = Path.prototype.toJSON.call( this );
+
+ data.uuid = this.uuid;
+ data.holes = [];
+
+ for ( var i = 0, l = this.holes.length; i < l; i ++ ) {
+
+ var hole = this.holes[ i ];
+ data.holes.push( hole.toJSON() );
+
+ }
+
+ return data;
+
+ },
+
+ fromJSON: function ( json ) {
+
+ Path.prototype.fromJSON.call( this, json );
+
+ this.uuid = json.uuid;
+ this.holes = [];
+
+ for ( var i = 0, l = json.holes.length; i < l; i ++ ) {
+
+ var hole = json.holes[ i ];
+ this.holes.push( new Path().fromJSON( hole ) );
+
+ }
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function Light( color, intensity ) {
+
+ Object3D.call( this );
+
+ this.type = 'Light';
+
+ this.color = new Color( color );
+ this.intensity = intensity !== undefined ? intensity : 1;
+
+ this.receiveShadow = undefined;
+
+ }
+
+ Light.prototype = Object.assign( Object.create( Object3D.prototype ), {
+
+ constructor: Light,
+
+ isLight: true,
+
+ copy: function ( source ) {
+
+ Object3D.prototype.copy.call( this, source );
+
+ this.color.copy( source.color );
+ this.intensity = source.intensity;
+
+ return this;
+
+ },
+
+ toJSON: function ( meta ) {
+
+ var data = Object3D.prototype.toJSON.call( this, meta );
+
+ data.object.color = this.color.getHex();
+ data.object.intensity = this.intensity;
+
+ if ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();
+
+ if ( this.distance !== undefined ) data.object.distance = this.distance;
+ if ( this.angle !== undefined ) data.object.angle = this.angle;
+ if ( this.decay !== undefined ) data.object.decay = this.decay;
+ if ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;
+
+ if ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();
+
+ return data;
+
+ }
+
+ } );
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function HemisphereLight( skyColor, groundColor, intensity ) {
+
+ Light.call( this, skyColor, intensity );
+
+ this.type = 'HemisphereLight';
+
+ this.castShadow = undefined;
+
+ this.position.copy( Object3D.DefaultUp );
+ this.updateMatrix();
+
+ this.groundColor = new Color( groundColor );
+
+ }
+
+ HemisphereLight.prototype = Object.assign( Object.create( Light.prototype ), {
+
+ constructor: HemisphereLight,
+
+ isHemisphereLight: true,
+
+ copy: function ( source ) {
+
+ Light.prototype.copy.call( this, source );
+
+ this.groundColor.copy( source.groundColor );
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function LightShadow( camera ) {
+
+ this.camera = camera;
+
+ this.bias = 0;
+ this.radius = 1;
+
+ this.mapSize = new Vector2( 512, 512 );
+
+ this.map = null;
+ this.matrix = new Matrix4();
+
+ }
+
+ Object.assign( LightShadow.prototype, {
+
+ copy: function ( source ) {
+
+ this.camera = source.camera.clone();
+
+ this.bias = source.bias;
+ this.radius = source.radius;
+
+ this.mapSize.copy( source.mapSize );
+
+ return this;
+
+ },
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ },
+
+ toJSON: function () {
+
+ var object = {};
+
+ if ( this.bias !== 0 ) object.bias = this.bias;
+ if ( this.radius !== 1 ) object.radius = this.radius;
+ if ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();
+
+ object.camera = this.camera.toJSON( false ).object;
+ delete object.camera.matrix;
+
+ return object;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function SpotLightShadow() {
+
+ LightShadow.call( this, new PerspectiveCamera( 50, 1, 0.5, 500 ) );
+
+ }
+
+ SpotLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {
+
+ constructor: SpotLightShadow,
+
+ isSpotLightShadow: true,
+
+ update: function ( light ) {
+
+ var camera = this.camera;
+
+ var fov = _Math.RAD2DEG * 2 * light.angle;
+ var aspect = this.mapSize.width / this.mapSize.height;
+ var far = light.distance || camera.far;
+
+ if ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {
+
+ camera.fov = fov;
+ camera.aspect = aspect;
+ camera.far = far;
+ camera.updateProjectionMatrix();
+
+ }
+
+ }
+
+ } );
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function SpotLight( color, intensity, distance, angle, penumbra, decay ) {
+
+ Light.call( this, color, intensity );
+
+ this.type = 'SpotLight';
+
+ this.position.copy( Object3D.DefaultUp );
+ this.updateMatrix();
+
+ this.target = new Object3D();
+
+ Object.defineProperty( this, 'power', {
+ get: function () {
+
+ // intensity = power per solid angle.
+ // ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf
+ return this.intensity * Math.PI;
+
+ },
+ set: function ( power ) {
+
+ // intensity = power per solid angle.
+ // ref: equation (17) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf
+ this.intensity = power / Math.PI;
+
+ }
+ } );
+
+ this.distance = ( distance !== undefined ) ? distance : 0;
+ this.angle = ( angle !== undefined ) ? angle : Math.PI / 3;
+ this.penumbra = ( penumbra !== undefined ) ? penumbra : 0;
+ this.decay = ( decay !== undefined ) ? decay : 1; // for physically correct lights, should be 2.
+
+ this.shadow = new SpotLightShadow();
+
+ }
+
+ SpotLight.prototype = Object.assign( Object.create( Light.prototype ), {
+
+ constructor: SpotLight,
+
+ isSpotLight: true,
+
+ copy: function ( source ) {
+
+ Light.prototype.copy.call( this, source );
+
+ this.distance = source.distance;
+ this.angle = source.angle;
+ this.penumbra = source.penumbra;
+ this.decay = source.decay;
+
+ this.target = source.target.clone();
+
+ this.shadow = source.shadow.clone();
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+
+ function PointLight( color, intensity, distance, decay ) {
+
+ Light.call( this, color, intensity );
+
+ this.type = 'PointLight';
+
+ Object.defineProperty( this, 'power', {
+ get: function () {
+
+ // intensity = power per solid angle.
+ // ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf
+ return this.intensity * 4 * Math.PI;
+
+ },
+ set: function ( power ) {
+
+ // intensity = power per solid angle.
+ // ref: equation (15) from http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr.pdf
+ this.intensity = power / ( 4 * Math.PI );
+
+ }
+ } );
+
+ this.distance = ( distance !== undefined ) ? distance : 0;
+ this.decay = ( decay !== undefined ) ? decay : 1; // for physically correct lights, should be 2.
+
+ this.shadow = new LightShadow( new PerspectiveCamera( 90, 1, 0.5, 500 ) );
+
+ }
+
+ PointLight.prototype = Object.assign( Object.create( Light.prototype ), {
+
+ constructor: PointLight,
+
+ isPointLight: true,
+
+ copy: function ( source ) {
+
+ Light.prototype.copy.call( this, source );
+
+ this.distance = source.distance;
+ this.decay = source.decay;
+
+ this.shadow = source.shadow.clone();
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function DirectionalLightShadow( ) {
+
+ LightShadow.call( this, new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );
+
+ }
+
+ DirectionalLightShadow.prototype = Object.assign( Object.create( LightShadow.prototype ), {
+
+ constructor: DirectionalLightShadow
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function DirectionalLight( color, intensity ) {
+
+ Light.call( this, color, intensity );
+
+ this.type = 'DirectionalLight';
+
+ this.position.copy( Object3D.DefaultUp );
+ this.updateMatrix();
+
+ this.target = new Object3D();
+
+ this.shadow = new DirectionalLightShadow();
+
+ }
+
+ DirectionalLight.prototype = Object.assign( Object.create( Light.prototype ), {
+
+ constructor: DirectionalLight,
+
+ isDirectionalLight: true,
+
+ copy: function ( source ) {
+
+ Light.prototype.copy.call( this, source );
+
+ this.target = source.target.clone();
+
+ this.shadow = source.shadow.clone();
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function AmbientLight( color, intensity ) {
+
+ Light.call( this, color, intensity );
+
+ this.type = 'AmbientLight';
+
+ this.castShadow = undefined;
+
+ }
+
+ AmbientLight.prototype = Object.assign( Object.create( Light.prototype ), {
+
+ constructor: AmbientLight,
+
+ isAmbientLight: true
+
+ } );
+
+ /**
+ * @author abelnation / http://github.com/abelnation
+ */
+
+ function RectAreaLight( color, intensity, width, height ) {
+
+ Light.call( this, color, intensity );
+
+ this.type = 'RectAreaLight';
+
+ this.position.set( 0, 1, 0 );
+ this.updateMatrix();
+
+ this.width = ( width !== undefined ) ? width : 10;
+ this.height = ( height !== undefined ) ? height : 10;
+
+ // TODO (abelnation): distance/decay
+
+ // TODO (abelnation): update method for RectAreaLight to update transform to lookat target
+
+ // TODO (abelnation): shadows
+
+ }
+
+ // TODO (abelnation): RectAreaLight update when light shape is changed
+ RectAreaLight.prototype = Object.assign( Object.create( Light.prototype ), {
+
+ constructor: RectAreaLight,
+
+ isRectAreaLight: true,
+
+ copy: function ( source ) {
+
+ Light.prototype.copy.call( this, source );
+
+ this.width = source.width;
+ this.height = source.height;
+
+ return this;
+
+ },
+
+ toJSON: function ( meta ) {
+
+ var data = Light.prototype.toJSON.call( this, meta );
+
+ data.object.width = this.width;
+ data.object.height = this.height;
+
+ return data;
+
+ }
+
+ } );
+
+ /**
+ *
+ * A Track that interpolates Strings
+ *
+ *
+ * @author Ben Houston / http://clara.io/
+ * @author David Sarno / http://lighthaus.us/
+ * @author tschw
+ */
+
+ function StringKeyframeTrack( name, times, values, interpolation ) {
+
+ KeyframeTrack.call( this, name, times, values, interpolation );
+
+ }
+
+ StringKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), {
+
+ constructor: StringKeyframeTrack,
+
+ ValueTypeName: 'string',
+ ValueBufferType: Array,
+
+ DefaultInterpolation: InterpolateDiscrete,
+
+ InterpolantFactoryMethodLinear: undefined,
+
+ InterpolantFactoryMethodSmooth: undefined
+
+ } );
+
+ /**
+ *
+ * A Track of Boolean keyframe values.
+ *
+ *
+ * @author Ben Houston / http://clara.io/
+ * @author David Sarno / http://lighthaus.us/
+ * @author tschw
+ */
+
+ function BooleanKeyframeTrack( name, times, values ) {
+
+ KeyframeTrack.call( this, name, times, values );
+
+ }
+
+ BooleanKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), {
+
+ constructor: BooleanKeyframeTrack,
+
+ ValueTypeName: 'bool',
+ ValueBufferType: Array,
+
+ DefaultInterpolation: InterpolateDiscrete,
+
+ InterpolantFactoryMethodLinear: undefined,
+ InterpolantFactoryMethodSmooth: undefined
+
+ // Note: Actually this track could have a optimized / compressed
+ // representation of a single value and a custom interpolant that
+ // computes "firstValue ^ isOdd( index )".
+
+ } );
+
+ /**
+ * Abstract base class of interpolants over parametric samples.
+ *
+ * The parameter domain is one dimensional, typically the time or a path
+ * along a curve defined by the data.
+ *
+ * The sample values can have any dimensionality and derived classes may
+ * apply special interpretations to the data.
+ *
+ * This class provides the interval seek in a Template Method, deferring
+ * the actual interpolation to derived classes.
+ *
+ * Time complexity is O(1) for linear access crossing at most two points
+ * and O(log N) for random access, where N is the number of positions.
+ *
+ * References:
+ *
+ * http://www.oodesign.com/template-method-pattern.html
+ *
+ * @author tschw
+ */
+
+ function Interpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) {
+
+ this.parameterPositions = parameterPositions;
+ this._cachedIndex = 0;
+
+ this.resultBuffer = resultBuffer !== undefined ?
+ resultBuffer : new sampleValues.constructor( sampleSize );
+ this.sampleValues = sampleValues;
+ this.valueSize = sampleSize;
+
+ }
+
+ Object.assign( Interpolant.prototype, {
+
+ evaluate: function ( t ) {
+
+ var pp = this.parameterPositions,
+ i1 = this._cachedIndex,
+
+ t1 = pp[ i1 ],
+ t0 = pp[ i1 - 1 ];
+
+ validate_interval: {
+
+ seek: {
+
+ var right;
+
+ linear_scan: {
+
+ //- See http://jsperf.com/comparison-to-undefined/3
+ //- slower code:
+ //-
+ //- if ( t >= t1 || t1 === undefined ) {
+ forward_scan: if ( ! ( t < t1 ) ) {
+
+ for ( var giveUpAt = i1 + 2; ; ) {
+
+ if ( t1 === undefined ) {
+
+ if ( t < t0 ) break forward_scan;
+
+ // after end
+
+ i1 = pp.length;
+ this._cachedIndex = i1;
+ return this.afterEnd_( i1 - 1, t, t0 );
+
+ }
+
+ if ( i1 === giveUpAt ) break; // this loop
+
+ t0 = t1;
+ t1 = pp[ ++ i1 ];
+
+ if ( t < t1 ) {
+
+ // we have arrived at the sought interval
+ break seek;
+
+ }
+
+ }
+
+ // prepare binary search on the right side of the index
+ right = pp.length;
+ break linear_scan;
+
+ }
+
+ //- slower code:
+ //- if ( t < t0 || t0 === undefined ) {
+ if ( ! ( t >= t0 ) ) {
+
+ // looping?
+
+ var t1global = pp[ 1 ];
+
+ if ( t < t1global ) {
+
+ i1 = 2; // + 1, using the scan for the details
+ t0 = t1global;
+
+ }
+
+ // linear reverse scan
+
+ for ( var giveUpAt = i1 - 2; ; ) {
+
+ if ( t0 === undefined ) {
+
+ // before start
+
+ this._cachedIndex = 0;
+ return this.beforeStart_( 0, t, t1 );
+
+ }
+
+ if ( i1 === giveUpAt ) break; // this loop
+
+ t1 = t0;
+ t0 = pp[ -- i1 - 1 ];
+
+ if ( t >= t0 ) {
+
+ // we have arrived at the sought interval
+ break seek;
+
+ }
+
+ }
+
+ // prepare binary search on the left side of the index
+ right = i1;
+ i1 = 0;
+ break linear_scan;
+
+ }
+
+ // the interval is valid
+
+ break validate_interval;
+
+ } // linear scan
+
+ // binary search
+
+ while ( i1 < right ) {
+
+ var mid = ( i1 + right ) >>> 1;
+
+ if ( t < pp[ mid ] ) {
+
+ right = mid;
+
+ } else {
+
+ i1 = mid + 1;
+
+ }
+
+ }
+
+ t1 = pp[ i1 ];
+ t0 = pp[ i1 - 1 ];
+
+ // check boundary cases, again
+
+ if ( t0 === undefined ) {
+
+ this._cachedIndex = 0;
+ return this.beforeStart_( 0, t, t1 );
+
+ }
+
+ if ( t1 === undefined ) {
+
+ i1 = pp.length;
+ this._cachedIndex = i1;
+ return this.afterEnd_( i1 - 1, t0, t );
+
+ }
+
+ } // seek
+
+ this._cachedIndex = i1;
+
+ this.intervalChanged_( i1, t0, t1 );
+
+ } // validate_interval
+
+ return this.interpolate_( i1, t0, t, t1 );
+
+ },
+
+ settings: null, // optional, subclass-specific settings structure
+ // Note: The indirection allows central control of many interpolants.
+
+ // --- Protected interface
+
+ DefaultSettings_: {},
+
+ getSettings_: function () {
+
+ return this.settings || this.DefaultSettings_;
+
+ },
+
+ copySampleValue_: function ( index ) {
+
+ // copies a sample value to the result buffer
+
+ var result = this.resultBuffer,
+ values = this.sampleValues,
+ stride = this.valueSize,
+ offset = index * stride;
+
+ for ( var i = 0; i !== stride; ++ i ) {
+
+ result[ i ] = values[ offset + i ];
+
+ }
+
+ return result;
+
+ },
+
+ // Template methods for derived classes:
+
+ interpolate_: function ( /* i1, t0, t, t1 */ ) {
+
+ throw new Error( 'call to abstract method' );
+ // implementations shall return this.resultBuffer
+
+ },
+
+ intervalChanged_: function ( /* i1, t0, t1 */ ) {
+
+ // empty
+
+ }
+
+ } );
+
+ //!\ DECLARE ALIAS AFTER assign prototype !
+ Object.assign( Interpolant.prototype, {
+
+ //( 0, t, t0 ), returns this.resultBuffer
+ beforeStart_: Interpolant.prototype.copySampleValue_,
+
+ //( N-1, tN-1, t ), returns this.resultBuffer
+ afterEnd_: Interpolant.prototype.copySampleValue_,
+
+ } );
+
+ /**
+ * Spherical linear unit quaternion interpolant.
+ *
+ * @author tschw
+ */
+
+ function QuaternionLinearInterpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) {
+
+ Interpolant.call( this, parameterPositions, sampleValues, sampleSize, resultBuffer );
+
+ }
+
+ QuaternionLinearInterpolant.prototype = Object.assign( Object.create( Interpolant.prototype ), {
+
+ constructor: QuaternionLinearInterpolant,
+
+ interpolate_: function ( i1, t0, t, t1 ) {
+
+ var result = this.resultBuffer,
+ values = this.sampleValues,
+ stride = this.valueSize,
+
+ offset = i1 * stride,
+
+ alpha = ( t - t0 ) / ( t1 - t0 );
+
+ for ( var end = offset + stride; offset !== end; offset += 4 ) {
+
+ Quaternion.slerpFlat( result, 0, values, offset - stride, values, offset, alpha );
+
+ }
+
+ return result;
+
+ }
+
+ } );
+
+ /**
+ *
+ * A Track of quaternion keyframe values.
+ *
+ * @author Ben Houston / http://clara.io/
+ * @author David Sarno / http://lighthaus.us/
+ * @author tschw
+ */
+
+ function QuaternionKeyframeTrack( name, times, values, interpolation ) {
+
+ KeyframeTrack.call( this, name, times, values, interpolation );
+
+ }
+
+ QuaternionKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), {
+
+ constructor: QuaternionKeyframeTrack,
+
+ ValueTypeName: 'quaternion',
+
+ // ValueBufferType is inherited
+
+ DefaultInterpolation: InterpolateLinear,
+
+ InterpolantFactoryMethodLinear: function ( result ) {
+
+ return new QuaternionLinearInterpolant( this.times, this.values, this.getValueSize(), result );
+
+ },
+
+ InterpolantFactoryMethodSmooth: undefined // not yet implemented
+
+ } );
+
+ /**
+ *
+ * A Track of keyframe values that represent color.
+ *
+ *
+ * @author Ben Houston / http://clara.io/
+ * @author David Sarno / http://lighthaus.us/
+ * @author tschw
+ */
+
+ function ColorKeyframeTrack( name, times, values, interpolation ) {
+
+ KeyframeTrack.call( this, name, times, values, interpolation );
+
+ }
+
+ ColorKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), {
+
+ constructor: ColorKeyframeTrack,
+
+ ValueTypeName: 'color'
+
+ // ValueBufferType is inherited
+
+ // DefaultInterpolation is inherited
+
+ // Note: Very basic implementation and nothing special yet.
+ // However, this is the place for color space parameterization.
+
+ } );
+
+ /**
+ *
+ * A Track of numeric keyframe values.
+ *
+ * @author Ben Houston / http://clara.io/
+ * @author David Sarno / http://lighthaus.us/
+ * @author tschw
+ */
+
+ function NumberKeyframeTrack( name, times, values, interpolation ) {
+
+ KeyframeTrack.call( this, name, times, values, interpolation );
+
+ }
+
+ NumberKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), {
+
+ constructor: NumberKeyframeTrack,
+
+ ValueTypeName: 'number'
+
+ // ValueBufferType is inherited
+
+ // DefaultInterpolation is inherited
+
+ } );
+
+ /**
+ * Fast and simple cubic spline interpolant.
+ *
+ * It was derived from a Hermitian construction setting the first derivative
+ * at each sample position to the linear slope between neighboring positions
+ * over their parameter interval.
+ *
+ * @author tschw
+ */
+
+ function CubicInterpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) {
+
+ Interpolant.call( this, parameterPositions, sampleValues, sampleSize, resultBuffer );
+
+ this._weightPrev = - 0;
+ this._offsetPrev = - 0;
+ this._weightNext = - 0;
+ this._offsetNext = - 0;
+
+ }
+
+ CubicInterpolant.prototype = Object.assign( Object.create( Interpolant.prototype ), {
+
+ constructor: CubicInterpolant,
+
+ DefaultSettings_: {
+
+ endingStart: ZeroCurvatureEnding,
+ endingEnd: ZeroCurvatureEnding
+
+ },
+
+ intervalChanged_: function ( i1, t0, t1 ) {
+
+ var pp = this.parameterPositions,
+ iPrev = i1 - 2,
+ iNext = i1 + 1,
+
+ tPrev = pp[ iPrev ],
+ tNext = pp[ iNext ];
+
+ if ( tPrev === undefined ) {
+
+ switch ( this.getSettings_().endingStart ) {
+
+ case ZeroSlopeEnding:
+
+ // f'(t0) = 0
+ iPrev = i1;
+ tPrev = 2 * t0 - t1;
+
+ break;
+
+ case WrapAroundEnding:
+
+ // use the other end of the curve
+ iPrev = pp.length - 2;
+ tPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];
+
+ break;
+
+ default: // ZeroCurvatureEnding
+
+ // f''(t0) = 0 a.k.a. Natural Spline
+ iPrev = i1;
+ tPrev = t1;
+
+ }
+
+ }
+
+ if ( tNext === undefined ) {
+
+ switch ( this.getSettings_().endingEnd ) {
+
+ case ZeroSlopeEnding:
+
+ // f'(tN) = 0
+ iNext = i1;
+ tNext = 2 * t1 - t0;
+
+ break;
+
+ case WrapAroundEnding:
+
+ // use the other end of the curve
+ iNext = 1;
+ tNext = t1 + pp[ 1 ] - pp[ 0 ];
+
+ break;
+
+ default: // ZeroCurvatureEnding
+
+ // f''(tN) = 0, a.k.a. Natural Spline
+ iNext = i1 - 1;
+ tNext = t0;
+
+ }
+
+ }
+
+ var halfDt = ( t1 - t0 ) * 0.5,
+ stride = this.valueSize;
+
+ this._weightPrev = halfDt / ( t0 - tPrev );
+ this._weightNext = halfDt / ( tNext - t1 );
+ this._offsetPrev = iPrev * stride;
+ this._offsetNext = iNext * stride;
+
+ },
+
+ interpolate_: function ( i1, t0, t, t1 ) {
+
+ var result = this.resultBuffer,
+ values = this.sampleValues,
+ stride = this.valueSize,
+
+ o1 = i1 * stride, o0 = o1 - stride,
+ oP = this._offsetPrev, oN = this._offsetNext,
+ wP = this._weightPrev, wN = this._weightNext,
+
+ p = ( t - t0 ) / ( t1 - t0 ),
+ pp = p * p,
+ ppp = pp * p;
+
+ // evaluate polynomials
+
+ var sP = - wP * ppp + 2 * wP * pp - wP * p;
+ var s0 = ( 1 + wP ) * ppp + ( - 1.5 - 2 * wP ) * pp + ( - 0.5 + wP ) * p + 1;
+ var s1 = ( - 1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;
+ var sN = wN * ppp - wN * pp;
+
+ // combine data linearly
+
+ for ( var i = 0; i !== stride; ++ i ) {
+
+ result[ i ] =
+ sP * values[ oP + i ] +
+ s0 * values[ o0 + i ] +
+ s1 * values[ o1 + i ] +
+ sN * values[ oN + i ];
+
+ }
+
+ return result;
+
+ }
+
+ } );
+
+ /**
+ * @author tschw
+ */
+
+ function LinearInterpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) {
+
+ Interpolant.call( this, parameterPositions, sampleValues, sampleSize, resultBuffer );
+
+ }
+
+ LinearInterpolant.prototype = Object.assign( Object.create( Interpolant.prototype ), {
+
+ constructor: LinearInterpolant,
+
+ interpolate_: function ( i1, t0, t, t1 ) {
+
+ var result = this.resultBuffer,
+ values = this.sampleValues,
+ stride = this.valueSize,
+
+ offset1 = i1 * stride,
+ offset0 = offset1 - stride,
+
+ weight1 = ( t - t0 ) / ( t1 - t0 ),
+ weight0 = 1 - weight1;
+
+ for ( var i = 0; i !== stride; ++ i ) {
+
+ result[ i ] =
+ values[ offset0 + i ] * weight0 +
+ values[ offset1 + i ] * weight1;
+
+ }
+
+ return result;
+
+ }
+
+ } );
+
+ /**
+ *
+ * Interpolant that evaluates to the sample value at the position preceeding
+ * the parameter.
+ *
+ * @author tschw
+ */
+
+ function DiscreteInterpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) {
+
+ Interpolant.call( this, parameterPositions, sampleValues, sampleSize, resultBuffer );
+
+ }
+
+ DiscreteInterpolant.prototype = Object.assign( Object.create( Interpolant.prototype ), {
+
+ constructor: DiscreteInterpolant,
+
+ interpolate_: function ( i1 /*, t0, t, t1 */ ) {
+
+ return this.copySampleValue_( i1 - 1 );
+
+ }
+
+ } );
+
+ /**
+ * @author tschw
+ * @author Ben Houston / http://clara.io/
+ * @author David Sarno / http://lighthaus.us/
+ */
+
+ var AnimationUtils = {
+
+ // same as Array.prototype.slice, but also works on typed arrays
+ arraySlice: function ( array, from, to ) {
+
+ if ( AnimationUtils.isTypedArray( array ) ) {
+
+ // in ios9 array.subarray(from, undefined) will return empty array
+ // but array.subarray(from) or array.subarray(from, len) is correct
+ return new array.constructor( array.subarray( from, to !== undefined ? to : array.length ) );
+
+ }
+
+ return array.slice( from, to );
+
+ },
+
+ // converts an array to a specific type
+ convertArray: function ( array, type, forceClone ) {
+
+ if ( ! array || // let 'undefined' and 'null' pass
+ ! forceClone && array.constructor === type ) return array;
+
+ if ( typeof type.BYTES_PER_ELEMENT === 'number' ) {
+
+ return new type( array ); // create typed array
+
+ }
+
+ return Array.prototype.slice.call( array ); // create Array
+
+ },
+
+ isTypedArray: function ( object ) {
+
+ return ArrayBuffer.isView( object ) &&
+ ! ( object instanceof DataView );
+
+ },
+
+ // returns an array by which times and values can be sorted
+ getKeyframeOrder: function ( times ) {
+
+ function compareTime( i, j ) {
+
+ return times[ i ] - times[ j ];
+
+ }
+
+ var n = times.length;
+ var result = new Array( n );
+ for ( var i = 0; i !== n; ++ i ) result[ i ] = i;
+
+ result.sort( compareTime );
+
+ return result;
+
+ },
+
+ // uses the array previously returned by 'getKeyframeOrder' to sort data
+ sortedArray: function ( values, stride, order ) {
+
+ var nValues = values.length;
+ var result = new values.constructor( nValues );
+
+ for ( var i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {
+
+ var srcOffset = order[ i ] * stride;
+
+ for ( var j = 0; j !== stride; ++ j ) {
+
+ result[ dstOffset ++ ] = values[ srcOffset + j ];
+
+ }
+
+ }
+
+ return result;
+
+ },
+
+ // function for parsing AOS keyframe formats
+ flattenJSON: function ( jsonKeys, times, values, valuePropertyName ) {
+
+ var i = 1, key = jsonKeys[ 0 ];
+
+ while ( key !== undefined && key[ valuePropertyName ] === undefined ) {
+
+ key = jsonKeys[ i ++ ];
+
+ }
+
+ if ( key === undefined ) return; // no data
+
+ var value = key[ valuePropertyName ];
+ if ( value === undefined ) return; // no data
+
+ if ( Array.isArray( value ) ) {
+
+ do {
+
+ value = key[ valuePropertyName ];
+
+ if ( value !== undefined ) {
+
+ times.push( key.time );
+ values.push.apply( values, value ); // push all elements
+
+ }
+
+ key = jsonKeys[ i ++ ];
+
+ } while ( key !== undefined );
+
+ } else if ( value.toArray !== undefined ) {
+
+ // ...assume THREE.Math-ish
+
+ do {
+
+ value = key[ valuePropertyName ];
+
+ if ( value !== undefined ) {
+
+ times.push( key.time );
+ value.toArray( values, values.length );
+
+ }
+
+ key = jsonKeys[ i ++ ];
+
+ } while ( key !== undefined );
+
+ } else {
+
+ // otherwise push as-is
+
+ do {
+
+ value = key[ valuePropertyName ];
+
+ if ( value !== undefined ) {
+
+ times.push( key.time );
+ values.push( value );
+
+ }
+
+ key = jsonKeys[ i ++ ];
+
+ } while ( key !== undefined );
+
+ }
+
+ }
+
+ };
+
+ /**
+ *
+ * A timed sequence of keyframes for a specific property.
+ *
+ *
+ * @author Ben Houston / http://clara.io/
+ * @author David Sarno / http://lighthaus.us/
+ * @author tschw
+ */
+
+ function KeyframeTrack( name, times, values, interpolation ) {
+
+ if ( name === undefined ) throw new Error( 'THREE.KeyframeTrack: track name is undefined' );
+ if ( times === undefined || times.length === 0 ) throw new Error( 'THREE.KeyframeTrack: no keyframes in track named ' + name );
+
+ this.name = name;
+
+ this.times = AnimationUtils.convertArray( times, this.TimeBufferType );
+ this.values = AnimationUtils.convertArray( values, this.ValueBufferType );
+
+ this.setInterpolation( interpolation || this.DefaultInterpolation );
+
+ this.validate();
+ this.optimize();
+
+ }
+
+ // Static methods:
+
+ Object.assign( KeyframeTrack, {
+
+ // Serialization (in static context, because of constructor invocation
+ // and automatic invocation of .toJSON):
+
+ parse: function ( json ) {
+
+ if ( json.type === undefined ) {
+
+ throw new Error( 'THREE.KeyframeTrack: track type undefined, can not parse' );
+
+ }
+
+ var trackType = KeyframeTrack._getTrackTypeForValueTypeName( json.type );
+
+ if ( json.times === undefined ) {
+
+ var times = [], values = [];
+
+ AnimationUtils.flattenJSON( json.keys, times, values, 'value' );
+
+ json.times = times;
+ json.values = values;
+
+ }
+
+ // derived classes can define a static parse method
+ if ( trackType.parse !== undefined ) {
+
+ return trackType.parse( json );
+
+ } else {
+
+ // by default, we assume a constructor compatible with the base
+ return new trackType( json.name, json.times, json.values, json.interpolation );
+
+ }
+
+ },
+
+ toJSON: function ( track ) {
+
+ var trackType = track.constructor;
+
+ var json;
+
+ // derived classes can define a static toJSON method
+ if ( trackType.toJSON !== undefined ) {
+
+ json = trackType.toJSON( track );
+
+ } else {
+
+ // by default, we assume the data can be serialized as-is
+ json = {
+
+ 'name': track.name,
+ 'times': AnimationUtils.convertArray( track.times, Array ),
+ 'values': AnimationUtils.convertArray( track.values, Array )
+
+ };
+
+ var interpolation = track.getInterpolation();
+
+ if ( interpolation !== track.DefaultInterpolation ) {
+
+ json.interpolation = interpolation;
+
+ }
+
+ }
+
+ json.type = track.ValueTypeName; // mandatory
+
+ return json;
+
+ },
+
+ _getTrackTypeForValueTypeName: function ( typeName ) {
+
+ switch ( typeName.toLowerCase() ) {
+
+ case 'scalar':
+ case 'double':
+ case 'float':
+ case 'number':
+ case 'integer':
+
+ return NumberKeyframeTrack;
+
+ case 'vector':
+ case 'vector2':
+ case 'vector3':
+ case 'vector4':
+
+ return VectorKeyframeTrack;
+
+ case 'color':
+
+ return ColorKeyframeTrack;
+
+ case 'quaternion':
+
+ return QuaternionKeyframeTrack;
+
+ case 'bool':
+ case 'boolean':
+
+ return BooleanKeyframeTrack;
+
+ case 'string':
+
+ return StringKeyframeTrack;
+
+ }
+
+ throw new Error( 'THREE.KeyframeTrack: Unsupported typeName: ' + typeName );
+
+ }
+
+ } );
+
+ Object.assign( KeyframeTrack.prototype, {
+
+ constructor: KeyframeTrack,
+
+ TimeBufferType: Float32Array,
+
+ ValueBufferType: Float32Array,
+
+ DefaultInterpolation: InterpolateLinear,
+
+ InterpolantFactoryMethodDiscrete: function ( result ) {
+
+ return new DiscreteInterpolant( this.times, this.values, this.getValueSize(), result );
+
+ },
+
+ InterpolantFactoryMethodLinear: function ( result ) {
+
+ return new LinearInterpolant( this.times, this.values, this.getValueSize(), result );
+
+ },
+
+ InterpolantFactoryMethodSmooth: function ( result ) {
+
+ return new CubicInterpolant( this.times, this.values, this.getValueSize(), result );
+
+ },
+
+ setInterpolation: function ( interpolation ) {
+
+ var factoryMethod;
+
+ switch ( interpolation ) {
+
+ case InterpolateDiscrete:
+
+ factoryMethod = this.InterpolantFactoryMethodDiscrete;
+
+ break;
+
+ case InterpolateLinear:
+
+ factoryMethod = this.InterpolantFactoryMethodLinear;
+
+ break;
+
+ case InterpolateSmooth:
+
+ factoryMethod = this.InterpolantFactoryMethodSmooth;
+
+ break;
+
+ }
+
+ if ( factoryMethod === undefined ) {
+
+ var message = "unsupported interpolation for " +
+ this.ValueTypeName + " keyframe track named " + this.name;
+
+ if ( this.createInterpolant === undefined ) {
+
+ // fall back to default, unless the default itself is messed up
+ if ( interpolation !== this.DefaultInterpolation ) {
+
+ this.setInterpolation( this.DefaultInterpolation );
+
+ } else {
+
+ throw new Error( message ); // fatal, in this case
+
+ }
+
+ }
+
+ console.warn( 'THREE.KeyframeTrack:', message );
+ return;
+
+ }
+
+ this.createInterpolant = factoryMethod;
+
+ },
+
+ getInterpolation: function () {
+
+ switch ( this.createInterpolant ) {
+
+ case this.InterpolantFactoryMethodDiscrete:
+
+ return InterpolateDiscrete;
+
+ case this.InterpolantFactoryMethodLinear:
+
+ return InterpolateLinear;
+
+ case this.InterpolantFactoryMethodSmooth:
+
+ return InterpolateSmooth;
+
+ }
+
+ },
+
+ getValueSize: function () {
+
+ return this.values.length / this.times.length;
+
+ },
+
+ // move all keyframes either forwards or backwards in time
+ shift: function ( timeOffset ) {
+
+ if ( timeOffset !== 0.0 ) {
+
+ var times = this.times;
+
+ for ( var i = 0, n = times.length; i !== n; ++ i ) {
+
+ times[ i ] += timeOffset;
+
+ }
+
+ }
+
+ return this;
+
+ },
+
+ // scale all keyframe times by a factor (useful for frame <-> seconds conversions)
+ scale: function ( timeScale ) {
+
+ if ( timeScale !== 1.0 ) {
+
+ var times = this.times;
+
+ for ( var i = 0, n = times.length; i !== n; ++ i ) {
+
+ times[ i ] *= timeScale;
+
+ }
+
+ }
+
+ return this;
+
+ },
+
+ // removes keyframes before and after animation without changing any values within the range [startTime, endTime].
+ // IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values
+ trim: function ( startTime, endTime ) {
+
+ var times = this.times,
+ nKeys = times.length,
+ from = 0,
+ to = nKeys - 1;
+
+ while ( from !== nKeys && times[ from ] < startTime ) {
+
+ ++ from;
+
+ }
+
+ while ( to !== - 1 && times[ to ] > endTime ) {
+
+ -- to;
+
+ }
+
+ ++ to; // inclusive -> exclusive bound
+
+ if ( from !== 0 || to !== nKeys ) {
+
+ // empty tracks are forbidden, so keep at least one keyframe
+ if ( from >= to ) to = Math.max( to, 1 ), from = to - 1;
+
+ var stride = this.getValueSize();
+ this.times = AnimationUtils.arraySlice( times, from, to );
+ this.values = AnimationUtils.arraySlice( this.values, from * stride, to * stride );
+
+ }
+
+ return this;
+
+ },
+
+ // ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable
+ validate: function () {
+
+ var valid = true;
+
+ var valueSize = this.getValueSize();
+ if ( valueSize - Math.floor( valueSize ) !== 0 ) {
+
+ console.error( 'THREE.KeyframeTrack: Invalid value size in track.', this );
+ valid = false;
+
+ }
+
+ var times = this.times,
+ values = this.values,
+
+ nKeys = times.length;
+
+ if ( nKeys === 0 ) {
+
+ console.error( 'THREE.KeyframeTrack: Track is empty.', this );
+ valid = false;
+
+ }
+
+ var prevTime = null;
+
+ for ( var i = 0; i !== nKeys; i ++ ) {
+
+ var currTime = times[ i ];
+
+ if ( typeof currTime === 'number' && isNaN( currTime ) ) {
+
+ console.error( 'THREE.KeyframeTrack: Time is not a valid number.', this, i, currTime );
+ valid = false;
+ break;
+
+ }
+
+ if ( prevTime !== null && prevTime > currTime ) {
+
+ console.error( 'THREE.KeyframeTrack: Out of order keys.', this, i, currTime, prevTime );
+ valid = false;
+ break;
+
+ }
+
+ prevTime = currTime;
+
+ }
+
+ if ( values !== undefined ) {
+
+ if ( AnimationUtils.isTypedArray( values ) ) {
+
+ for ( var i = 0, n = values.length; i !== n; ++ i ) {
+
+ var value = values[ i ];
+
+ if ( isNaN( value ) ) {
+
+ console.error( 'THREE.KeyframeTrack: Value is not a valid number.', this, i, value );
+ valid = false;
+ break;
+
+ }
+
+ }
+
+ }
+
+ }
+
+ return valid;
+
+ },
+
+ // removes equivalent sequential keys as common in morph target sequences
+ // (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)
+ optimize: function () {
+
+ var times = this.times,
+ values = this.values,
+ stride = this.getValueSize(),
+
+ smoothInterpolation = this.getInterpolation() === InterpolateSmooth,
+
+ writeIndex = 1,
+ lastIndex = times.length - 1;
+
+ for ( var i = 1; i < lastIndex; ++ i ) {
+
+ var keep = false;
+
+ var time = times[ i ];
+ var timeNext = times[ i + 1 ];
+
+ // remove adjacent keyframes scheduled at the same time
+
+ if ( time !== timeNext && ( i !== 1 || time !== time[ 0 ] ) ) {
+
+ if ( ! smoothInterpolation ) {
+
+ // remove unnecessary keyframes same as their neighbors
+
+ var offset = i * stride,
+ offsetP = offset - stride,
+ offsetN = offset + stride;
+
+ for ( var j = 0; j !== stride; ++ j ) {
+
+ var value = values[ offset + j ];
+
+ if ( value !== values[ offsetP + j ] ||
+ value !== values[ offsetN + j ] ) {
+
+ keep = true;
+ break;
+
+ }
+
+ }
+
+ } else {
+
+ keep = true;
+
+ }
+
+ }
+
+ // in-place compaction
+
+ if ( keep ) {
+
+ if ( i !== writeIndex ) {
+
+ times[ writeIndex ] = times[ i ];
+
+ var readOffset = i * stride,
+ writeOffset = writeIndex * stride;
+
+ for ( var j = 0; j !== stride; ++ j ) {
+
+ values[ writeOffset + j ] = values[ readOffset + j ];
+
+ }
+
+ }
+
+ ++ writeIndex;
+
+ }
+
+ }
+
+ // flush last keyframe (compaction looks ahead)
+
+ if ( lastIndex > 0 ) {
+
+ times[ writeIndex ] = times[ lastIndex ];
+
+ for ( var readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) {
+
+ values[ writeOffset + j ] = values[ readOffset + j ];
+
+ }
+
+ ++ writeIndex;
+
+ }
+
+ if ( writeIndex !== times.length ) {
+
+ this.times = AnimationUtils.arraySlice( times, 0, writeIndex );
+ this.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride );
+
+ }
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ *
+ * A Track of vectored keyframe values.
+ *
+ *
+ * @author Ben Houston / http://clara.io/
+ * @author David Sarno / http://lighthaus.us/
+ * @author tschw
+ */
+
+ function VectorKeyframeTrack( name, times, values, interpolation ) {
+
+ KeyframeTrack.call( this, name, times, values, interpolation );
+
+ }
+
+ VectorKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), {
+
+ constructor: VectorKeyframeTrack,
+
+ ValueTypeName: 'vector'
+
+ // ValueBufferType is inherited
+
+ // DefaultInterpolation is inherited
+
+ } );
+
+ /**
+ *
+ * Reusable set of Tracks that represent an animation.
+ *
+ * @author Ben Houston / http://clara.io/
+ * @author David Sarno / http://lighthaus.us/
+ */
+
+ function AnimationClip( name, duration, tracks ) {
+
+ this.name = name;
+ this.tracks = tracks;
+ this.duration = ( duration !== undefined ) ? duration : - 1;
+
+ this.uuid = _Math.generateUUID();
+
+ // this means it should figure out its duration by scanning the tracks
+ if ( this.duration < 0 ) {
+
+ this.resetDuration();
+
+ }
+
+ this.optimize();
+
+ }
+
+ Object.assign( AnimationClip, {
+
+ parse: function ( json ) {
+
+ var tracks = [],
+ jsonTracks = json.tracks,
+ frameTime = 1.0 / ( json.fps || 1.0 );
+
+ for ( var i = 0, n = jsonTracks.length; i !== n; ++ i ) {
+
+ tracks.push( KeyframeTrack.parse( jsonTracks[ i ] ).scale( frameTime ) );
+
+ }
+
+ return new AnimationClip( json.name, json.duration, tracks );
+
+ },
+
+ toJSON: function ( clip ) {
+
+ var tracks = [],
+ clipTracks = clip.tracks;
+
+ var json = {
+
+ 'name': clip.name,
+ 'duration': clip.duration,
+ 'tracks': tracks
+
+ };
+
+ for ( var i = 0, n = clipTracks.length; i !== n; ++ i ) {
+
+ tracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );
+
+ }
+
+ return json;
+
+ },
+
+ CreateFromMorphTargetSequence: function ( name, morphTargetSequence, fps, noLoop ) {
+
+ var numMorphTargets = morphTargetSequence.length;
+ var tracks = [];
+
+ for ( var i = 0; i < numMorphTargets; i ++ ) {
+
+ var times = [];
+ var values = [];
+
+ times.push(
+ ( i + numMorphTargets - 1 ) % numMorphTargets,
+ i,
+ ( i + 1 ) % numMorphTargets );
+
+ values.push( 0, 1, 0 );
+
+ var order = AnimationUtils.getKeyframeOrder( times );
+ times = AnimationUtils.sortedArray( times, 1, order );
+ values = AnimationUtils.sortedArray( values, 1, order );
+
+ // if there is a key at the first frame, duplicate it as the
+ // last frame as well for perfect loop.
+ if ( ! noLoop && times[ 0 ] === 0 ) {
+
+ times.push( numMorphTargets );
+ values.push( values[ 0 ] );
+
+ }
+
+ tracks.push(
+ new NumberKeyframeTrack(
+ '.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',
+ times, values
+ ).scale( 1.0 / fps ) );
+
+ }
+
+ return new AnimationClip( name, - 1, tracks );
+
+ },
+
+ findByName: function ( objectOrClipArray, name ) {
+
+ var clipArray = objectOrClipArray;
+
+ if ( ! Array.isArray( objectOrClipArray ) ) {
+
+ var o = objectOrClipArray;
+ clipArray = o.geometry && o.geometry.animations || o.animations;
+
+ }
+
+ for ( var i = 0; i < clipArray.length; i ++ ) {
+
+ if ( clipArray[ i ].name === name ) {
+
+ return clipArray[ i ];
+
+ }
+
+ }
+
+ return null;
+
+ },
+
+ CreateClipsFromMorphTargetSequences: function ( morphTargets, fps, noLoop ) {
+
+ var animationToMorphTargets = {};
+
+ // tested with https://regex101.com/ on trick sequences
+ // such flamingo_flyA_003, flamingo_run1_003, crdeath0059
+ var pattern = /^([\w-]*?)([\d]+)$/;
+
+ // sort morph target names into animation groups based
+ // patterns like Walk_001, Walk_002, Run_001, Run_002
+ for ( var i = 0, il = morphTargets.length; i < il; i ++ ) {
+
+ var morphTarget = morphTargets[ i ];
+ var parts = morphTarget.name.match( pattern );
+
+ if ( parts && parts.length > 1 ) {
+
+ var name = parts[ 1 ];
+
+ var animationMorphTargets = animationToMorphTargets[ name ];
+ if ( ! animationMorphTargets ) {
+
+ animationToMorphTargets[ name ] = animationMorphTargets = [];
+
+ }
+
+ animationMorphTargets.push( morphTarget );
+
+ }
+
+ }
+
+ var clips = [];
+
+ for ( var name in animationToMorphTargets ) {
+
+ clips.push( AnimationClip.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );
+
+ }
+
+ return clips;
+
+ },
+
+ // parse the animation.hierarchy format
+ parseAnimation: function ( animation, bones ) {
+
+ if ( ! animation ) {
+
+ console.error( 'THREE.AnimationClip: No animation in JSONLoader data.' );
+ return null;
+
+ }
+
+ var addNonemptyTrack = function ( trackType, trackName, animationKeys, propertyName, destTracks ) {
+
+ // only return track if there are actually keys.
+ if ( animationKeys.length !== 0 ) {
+
+ var times = [];
+ var values = [];
+
+ AnimationUtils.flattenJSON( animationKeys, times, values, propertyName );
+
+ // empty keys are filtered out, so check again
+ if ( times.length !== 0 ) {
+
+ destTracks.push( new trackType( trackName, times, values ) );
+
+ }
+
+ }
+
+ };
+
+ var tracks = [];
+
+ var clipName = animation.name || 'default';
+ // automatic length determination in AnimationClip.
+ var duration = animation.length || - 1;
+ var fps = animation.fps || 30;
+
+ var hierarchyTracks = animation.hierarchy || [];
+
+ for ( var h = 0; h < hierarchyTracks.length; h ++ ) {
+
+ var animationKeys = hierarchyTracks[ h ].keys;
+
+ // skip empty tracks
+ if ( ! animationKeys || animationKeys.length === 0 ) continue;
+
+ // process morph targets
+ if ( animationKeys[ 0 ].morphTargets ) {
+
+ // figure out all morph targets used in this track
+ var morphTargetNames = {};
+
+ for ( var k = 0; k < animationKeys.length; k ++ ) {
+
+ if ( animationKeys[ k ].morphTargets ) {
+
+ for ( var m = 0; m < animationKeys[ k ].morphTargets.length; m ++ ) {
+
+ morphTargetNames[ animationKeys[ k ].morphTargets[ m ] ] = - 1;
+
+ }
+
+ }
+
+ }
+
+ // create a track for each morph target with all zero
+ // morphTargetInfluences except for the keys in which
+ // the morphTarget is named.
+ for ( var morphTargetName in morphTargetNames ) {
+
+ var times = [];
+ var values = [];
+
+ for ( var m = 0; m !== animationKeys[ k ].morphTargets.length; ++ m ) {
+
+ var animationKey = animationKeys[ k ];
+
+ times.push( animationKey.time );
+ values.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );
+
+ }
+
+ tracks.push( new NumberKeyframeTrack( '.morphTargetInfluence[' + morphTargetName + ']', times, values ) );
+
+ }
+
+ duration = morphTargetNames.length * ( fps || 1.0 );
+
+ } else {
+
+ // ...assume skeletal animation
+
+ var boneName = '.bones[' + bones[ h ].name + ']';
+
+ addNonemptyTrack(
+ VectorKeyframeTrack, boneName + '.position',
+ animationKeys, 'pos', tracks );
+
+ addNonemptyTrack(
+ QuaternionKeyframeTrack, boneName + '.quaternion',
+ animationKeys, 'rot', tracks );
+
+ addNonemptyTrack(
+ VectorKeyframeTrack, boneName + '.scale',
+ animationKeys, 'scl', tracks );
+
+ }
+
+ }
+
+ if ( tracks.length === 0 ) {
+
+ return null;
+
+ }
+
+ var clip = new AnimationClip( clipName, duration, tracks );
+
+ return clip;
+
+ }
+
+ } );
+
+ Object.assign( AnimationClip.prototype, {
+
+ resetDuration: function () {
+
+ var tracks = this.tracks, duration = 0;
+
+ for ( var i = 0, n = tracks.length; i !== n; ++ i ) {
+
+ var track = this.tracks[ i ];
+
+ duration = Math.max( duration, track.times[ track.times.length - 1 ] );
+
+ }
+
+ this.duration = duration;
+
+ },
+
+ trim: function () {
+
+ for ( var i = 0; i < this.tracks.length; i ++ ) {
+
+ this.tracks[ i ].trim( 0, this.duration );
+
+ }
+
+ return this;
+
+ },
+
+ optimize: function () {
+
+ for ( var i = 0; i < this.tracks.length; i ++ ) {
+
+ this.tracks[ i ].optimize();
+
+ }
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function MaterialLoader( manager ) {
+
+ this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;
+ this.textures = {};
+
+ }
+
+ Object.assign( MaterialLoader.prototype, {
+
+ load: function ( url, onLoad, onProgress, onError ) {
+
+ var scope = this;
+
+ var loader = new FileLoader( scope.manager );
+ loader.load( url, function ( text ) {
+
+ onLoad( scope.parse( JSON.parse( text ) ) );
+
+ }, onProgress, onError );
+
+ },
+
+ setTextures: function ( value ) {
+
+ this.textures = value;
+
+ },
+
+ parse: function ( json ) {
+
+ var textures = this.textures;
+
+ function getTexture( name ) {
+
+ if ( textures[ name ] === undefined ) {
+
+ console.warn( 'THREE.MaterialLoader: Undefined texture', name );
+
+ }
+
+ return textures[ name ];
+
+ }
+
+ var material = new Materials[ json.type ]();
+
+ if ( json.uuid !== undefined ) material.uuid = json.uuid;
+ if ( json.name !== undefined ) material.name = json.name;
+ if ( json.color !== undefined ) material.color.setHex( json.color );
+ if ( json.roughness !== undefined ) material.roughness = json.roughness;
+ if ( json.metalness !== undefined ) material.metalness = json.metalness;
+ if ( json.emissive !== undefined ) material.emissive.setHex( json.emissive );
+ if ( json.specular !== undefined ) material.specular.setHex( json.specular );
+ if ( json.shininess !== undefined ) material.shininess = json.shininess;
+ if ( json.clearCoat !== undefined ) material.clearCoat = json.clearCoat;
+ if ( json.clearCoatRoughness !== undefined ) material.clearCoatRoughness = json.clearCoatRoughness;
+ if ( json.uniforms !== undefined ) material.uniforms = json.uniforms;
+ if ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;
+ if ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;
+ if ( json.vertexColors !== undefined ) material.vertexColors = json.vertexColors;
+ if ( json.fog !== undefined ) material.fog = json.fog;
+ if ( json.flatShading !== undefined ) material.flatShading = json.flatShading;
+ if ( json.blending !== undefined ) material.blending = json.blending;
+ if ( json.side !== undefined ) material.side = json.side;
+ if ( json.opacity !== undefined ) material.opacity = json.opacity;
+ if ( json.transparent !== undefined ) material.transparent = json.transparent;
+ if ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;
+ if ( json.depthTest !== undefined ) material.depthTest = json.depthTest;
+ if ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;
+ if ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;
+ if ( json.wireframe !== undefined ) material.wireframe = json.wireframe;
+ if ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;
+ if ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;
+ if ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;
+
+ if ( json.rotation !== undefined ) material.rotation = json.rotation;
+
+ if ( json.linewidth !== 1 ) material.linewidth = json.linewidth;
+ if ( json.dashSize !== undefined ) material.dashSize = json.dashSize;
+ if ( json.gapSize !== undefined ) material.gapSize = json.gapSize;
+ if ( json.scale !== undefined ) material.scale = json.scale;
+
+ if ( json.skinning !== undefined ) material.skinning = json.skinning;
+ if ( json.morphTargets !== undefined ) material.morphTargets = json.morphTargets;
+ if ( json.dithering !== undefined ) material.dithering = json.dithering;
+
+ if ( json.visible !== undefined ) material.visible = json.visible;
+ if ( json.userData !== undefined ) material.userData = json.userData;
+
+ // Deprecated
+
+ if ( json.shading !== undefined ) material.flatShading = json.shading === 1; // THREE.FlatShading
+
+ // for PointsMaterial
+
+ if ( json.size !== undefined ) material.size = json.size;
+ if ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;
+
+ // maps
+
+ if ( json.map !== undefined ) material.map = getTexture( json.map );
+
+ if ( json.alphaMap !== undefined ) {
+
+ material.alphaMap = getTexture( json.alphaMap );
+ material.transparent = true;
+
+ }
+
+ if ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );
+ if ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;
+
+ if ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );
+ if ( json.normalScale !== undefined ) {
+
+ var normalScale = json.normalScale;
+
+ if ( Array.isArray( normalScale ) === false ) {
+
+ // Blender exporter used to export a scalar. See #7459
+
+ normalScale = [ normalScale, normalScale ];
+
+ }
+
+ material.normalScale = new Vector2().fromArray( normalScale );
+
+ }
+
+ if ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );
+ if ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;
+ if ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;
+
+ if ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );
+ if ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );
+
+ if ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );
+ if ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;
+
+ if ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );
+
+ if ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );
+
+ if ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;
+
+ if ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );
+ if ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;
+
+ if ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );
+ if ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;
+
+ if ( json.gradientMap !== undefined ) material.gradientMap = getTexture( json.gradientMap );
+
+ return material;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function BufferGeometryLoader( manager ) {
+
+ this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;
+
+ }
+
+ Object.assign( BufferGeometryLoader.prototype, {
+
+ load: function ( url, onLoad, onProgress, onError ) {
+
+ var scope = this;
+
+ var loader = new FileLoader( scope.manager );
+ loader.load( url, function ( text ) {
+
+ onLoad( scope.parse( JSON.parse( text ) ) );
+
+ }, onProgress, onError );
+
+ },
+
+ parse: function ( json ) {
+
+ var geometry = new BufferGeometry();
+
+ var index = json.data.index;
+
+ if ( index !== undefined ) {
+
+ var typedArray = new TYPED_ARRAYS[ index.type ]( index.array );
+ geometry.setIndex( new BufferAttribute( typedArray, 1 ) );
+
+ }
+
+ var attributes = json.data.attributes;
+
+ for ( var key in attributes ) {
+
+ var attribute = attributes[ key ];
+ var typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array );
+
+ geometry.addAttribute( key, new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ) );
+
+ }
+
+ var groups = json.data.groups || json.data.drawcalls || json.data.offsets;
+
+ if ( groups !== undefined ) {
+
+ for ( var i = 0, n = groups.length; i !== n; ++ i ) {
+
+ var group = groups[ i ];
+
+ geometry.addGroup( group.start, group.count, group.materialIndex );
+
+ }
+
+ }
+
+ var boundingSphere = json.data.boundingSphere;
+
+ if ( boundingSphere !== undefined ) {
+
+ var center = new Vector3();
+
+ if ( boundingSphere.center !== undefined ) {
+
+ center.fromArray( boundingSphere.center );
+
+ }
+
+ geometry.boundingSphere = new Sphere( center, boundingSphere.radius );
+
+ }
+
+ return geometry;
+
+ }
+
+ } );
+
+ var TYPED_ARRAYS = {
+ Int8Array: Int8Array,
+ Uint8Array: Uint8Array,
+ // Workaround for IE11 pre KB2929437. See #11440
+ Uint8ClampedArray: typeof Uint8ClampedArray !== 'undefined' ? Uint8ClampedArray : Uint8Array,
+ Int16Array: Int16Array,
+ Uint16Array: Uint16Array,
+ Int32Array: Int32Array,
+ Uint32Array: Uint32Array,
+ Float32Array: Float32Array,
+ Float64Array: Float64Array
+ };
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function Loader() {
+
+ this.onLoadStart = function () {};
+ this.onLoadProgress = function () {};
+ this.onLoadComplete = function () {};
+
+ }
+
+ Loader.Handlers = {
+
+ handlers: [],
+
+ add: function ( regex, loader ) {
+
+ this.handlers.push( regex, loader );
+
+ },
+
+ get: function ( file ) {
+
+ var handlers = this.handlers;
+
+ for ( var i = 0, l = handlers.length; i < l; i += 2 ) {
+
+ var regex = handlers[ i ];
+ var loader = handlers[ i + 1 ];
+
+ if ( regex.test( file ) ) {
+
+ return loader;
+
+ }
+
+ }
+
+ return null;
+
+ }
+
+ };
+
+ Object.assign( Loader.prototype, {
+
+ crossOrigin: undefined,
+
+ initMaterials: function ( materials, texturePath, crossOrigin ) {
+
+ var array = [];
+
+ for ( var i = 0; i < materials.length; ++ i ) {
+
+ array[ i ] = this.createMaterial( materials[ i ], texturePath, crossOrigin );
+
+ }
+
+ return array;
+
+ },
+
+ createMaterial: ( function () {
+
+ var BlendingMode = {
+ NoBlending: NoBlending,
+ NormalBlending: NormalBlending,
+ AdditiveBlending: AdditiveBlending,
+ SubtractiveBlending: SubtractiveBlending,
+ MultiplyBlending: MultiplyBlending,
+ CustomBlending: CustomBlending
+ };
+
+ var color = new Color();
+ var textureLoader = new TextureLoader();
+ var materialLoader = new MaterialLoader();
+
+ return function createMaterial( m, texturePath, crossOrigin ) {
+
+ // convert from old material format
+
+ var textures = {};
+
+ function loadTexture( path, repeat, offset, wrap, anisotropy ) {
+
+ var fullPath = texturePath + path;
+ var loader = Loader.Handlers.get( fullPath );
+
+ var texture;
+
+ if ( loader !== null ) {
+
+ texture = loader.load( fullPath );
+
+ } else {
+
+ textureLoader.setCrossOrigin( crossOrigin );
+ texture = textureLoader.load( fullPath );
+
+ }
+
+ if ( repeat !== undefined ) {
+
+ texture.repeat.fromArray( repeat );
+
+ if ( repeat[ 0 ] !== 1 ) texture.wrapS = RepeatWrapping;
+ if ( repeat[ 1 ] !== 1 ) texture.wrapT = RepeatWrapping;
+
+ }
+
+ if ( offset !== undefined ) {
+
+ texture.offset.fromArray( offset );
+
+ }
+
+ if ( wrap !== undefined ) {
+
+ if ( wrap[ 0 ] === 'repeat' ) texture.wrapS = RepeatWrapping;
+ if ( wrap[ 0 ] === 'mirror' ) texture.wrapS = MirroredRepeatWrapping;
+
+ if ( wrap[ 1 ] === 'repeat' ) texture.wrapT = RepeatWrapping;
+ if ( wrap[ 1 ] === 'mirror' ) texture.wrapT = MirroredRepeatWrapping;
+
+ }
+
+ if ( anisotropy !== undefined ) {
+
+ texture.anisotropy = anisotropy;
+
+ }
+
+ var uuid = _Math.generateUUID();
+
+ textures[ uuid ] = texture;
+
+ return uuid;
+
+ }
+
+ //
+
+ var json = {
+ uuid: _Math.generateUUID(),
+ type: 'MeshLambertMaterial'
+ };
+
+ for ( var name in m ) {
+
+ var value = m[ name ];
+
+ switch ( name ) {
+
+ case 'DbgColor':
+ case 'DbgIndex':
+ case 'opticalDensity':
+ case 'illumination':
+ break;
+ case 'DbgName':
+ json.name = value;
+ break;
+ case 'blending':
+ json.blending = BlendingMode[ value ];
+ break;
+ case 'colorAmbient':
+ case 'mapAmbient':
+ console.warn( 'THREE.Loader.createMaterial:', name, 'is no longer supported.' );
+ break;
+ case 'colorDiffuse':
+ json.color = color.fromArray( value ).getHex();
+ break;
+ case 'colorSpecular':
+ json.specular = color.fromArray( value ).getHex();
+ break;
+ case 'colorEmissive':
+ json.emissive = color.fromArray( value ).getHex();
+ break;
+ case 'specularCoef':
+ json.shininess = value;
+ break;
+ case 'shading':
+ if ( value.toLowerCase() === 'basic' ) json.type = 'MeshBasicMaterial';
+ if ( value.toLowerCase() === 'phong' ) json.type = 'MeshPhongMaterial';
+ if ( value.toLowerCase() === 'standard' ) json.type = 'MeshStandardMaterial';
+ break;
+ case 'mapDiffuse':
+ json.map = loadTexture( value, m.mapDiffuseRepeat, m.mapDiffuseOffset, m.mapDiffuseWrap, m.mapDiffuseAnisotropy );
+ break;
+ case 'mapDiffuseRepeat':
+ case 'mapDiffuseOffset':
+ case 'mapDiffuseWrap':
+ case 'mapDiffuseAnisotropy':
+ break;
+ case 'mapEmissive':
+ json.emissiveMap = loadTexture( value, m.mapEmissiveRepeat, m.mapEmissiveOffset, m.mapEmissiveWrap, m.mapEmissiveAnisotropy );
+ break;
+ case 'mapEmissiveRepeat':
+ case 'mapEmissiveOffset':
+ case 'mapEmissiveWrap':
+ case 'mapEmissiveAnisotropy':
+ break;
+ case 'mapLight':
+ json.lightMap = loadTexture( value, m.mapLightRepeat, m.mapLightOffset, m.mapLightWrap, m.mapLightAnisotropy );
+ break;
+ case 'mapLightRepeat':
+ case 'mapLightOffset':
+ case 'mapLightWrap':
+ case 'mapLightAnisotropy':
+ break;
+ case 'mapAO':
+ json.aoMap = loadTexture( value, m.mapAORepeat, m.mapAOOffset, m.mapAOWrap, m.mapAOAnisotropy );
+ break;
+ case 'mapAORepeat':
+ case 'mapAOOffset':
+ case 'mapAOWrap':
+ case 'mapAOAnisotropy':
+ break;
+ case 'mapBump':
+ json.bumpMap = loadTexture( value, m.mapBumpRepeat, m.mapBumpOffset, m.mapBumpWrap, m.mapBumpAnisotropy );
+ break;
+ case 'mapBumpScale':
+ json.bumpScale = value;
+ break;
+ case 'mapBumpRepeat':
+ case 'mapBumpOffset':
+ case 'mapBumpWrap':
+ case 'mapBumpAnisotropy':
+ break;
+ case 'mapNormal':
+ json.normalMap = loadTexture( value, m.mapNormalRepeat, m.mapNormalOffset, m.mapNormalWrap, m.mapNormalAnisotropy );
+ break;
+ case 'mapNormalFactor':
+ json.normalScale = [ value, value ];
+ break;
+ case 'mapNormalRepeat':
+ case 'mapNormalOffset':
+ case 'mapNormalWrap':
+ case 'mapNormalAnisotropy':
+ break;
+ case 'mapSpecular':
+ json.specularMap = loadTexture( value, m.mapSpecularRepeat, m.mapSpecularOffset, m.mapSpecularWrap, m.mapSpecularAnisotropy );
+ break;
+ case 'mapSpecularRepeat':
+ case 'mapSpecularOffset':
+ case 'mapSpecularWrap':
+ case 'mapSpecularAnisotropy':
+ break;
+ case 'mapMetalness':
+ json.metalnessMap = loadTexture( value, m.mapMetalnessRepeat, m.mapMetalnessOffset, m.mapMetalnessWrap, m.mapMetalnessAnisotropy );
+ break;
+ case 'mapMetalnessRepeat':
+ case 'mapMetalnessOffset':
+ case 'mapMetalnessWrap':
+ case 'mapMetalnessAnisotropy':
+ break;
+ case 'mapRoughness':
+ json.roughnessMap = loadTexture( value, m.mapRoughnessRepeat, m.mapRoughnessOffset, m.mapRoughnessWrap, m.mapRoughnessAnisotropy );
+ break;
+ case 'mapRoughnessRepeat':
+ case 'mapRoughnessOffset':
+ case 'mapRoughnessWrap':
+ case 'mapRoughnessAnisotropy':
+ break;
+ case 'mapAlpha':
+ json.alphaMap = loadTexture( value, m.mapAlphaRepeat, m.mapAlphaOffset, m.mapAlphaWrap, m.mapAlphaAnisotropy );
+ break;
+ case 'mapAlphaRepeat':
+ case 'mapAlphaOffset':
+ case 'mapAlphaWrap':
+ case 'mapAlphaAnisotropy':
+ break;
+ case 'flipSided':
+ json.side = BackSide;
+ break;
+ case 'doubleSided':
+ json.side = DoubleSide;
+ break;
+ case 'transparency':
+ console.warn( 'THREE.Loader.createMaterial: transparency has been renamed to opacity' );
+ json.opacity = value;
+ break;
+ case 'depthTest':
+ case 'depthWrite':
+ case 'colorWrite':
+ case 'opacity':
+ case 'reflectivity':
+ case 'transparent':
+ case 'visible':
+ case 'wireframe':
+ json[ name ] = value;
+ break;
+ case 'vertexColors':
+ if ( value === true ) json.vertexColors = VertexColors;
+ if ( value === 'face' ) json.vertexColors = FaceColors;
+ break;
+ default:
+ console.error( 'THREE.Loader.createMaterial: Unsupported', name, value );
+ break;
+
+ }
+
+ }
+
+ if ( json.type === 'MeshBasicMaterial' ) delete json.emissive;
+ if ( json.type !== 'MeshPhongMaterial' ) delete json.specular;
+
+ if ( json.opacity < 1 ) json.transparent = true;
+
+ materialLoader.setTextures( textures );
+
+ return materialLoader.parse( json );
+
+ };
+
+ } )()
+
+ } );
+
+ /**
+ * @author Don McCurdy / https://www.donmccurdy.com
+ */
+
+ var LoaderUtils = {
+
+ decodeText: function ( array ) {
+
+ if ( typeof TextDecoder !== 'undefined' ) {
+
+ return new TextDecoder().decode( array );
+
+ }
+
+ // Avoid the String.fromCharCode.apply(null, array) shortcut, which
+ // throws a "maximum call stack size exceeded" error for large arrays.
+
+ var s = '';
+
+ for ( var i = 0, il = array.length; i < il; i ++ ) {
+
+ // Implicitly assumes little-endian.
+ s += String.fromCharCode( array[ i ] );
+
+ }
+
+ return s;
+
+ },
+
+ extractUrlBase: function ( url ) {
+
+ var parts = url.split( '/' );
+
+ if ( parts.length === 1 ) return './';
+
+ parts.pop();
+
+ return parts.join( '/' ) + '/';
+
+ }
+
+ };
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function JSONLoader( manager ) {
+
+ if ( typeof manager === 'boolean' ) {
+
+ console.warn( 'THREE.JSONLoader: showStatus parameter has been removed from constructor.' );
+ manager = undefined;
+
+ }
+
+ this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;
+
+ this.withCredentials = false;
+
+ }
+
+ Object.assign( JSONLoader.prototype, {
+
+ load: function ( url, onLoad, onProgress, onError ) {
+
+ var scope = this;
+
+ var texturePath = this.texturePath && ( typeof this.texturePath === 'string' ) ? this.texturePath : LoaderUtils.extractUrlBase( url );
+
+ var loader = new FileLoader( this.manager );
+ loader.setWithCredentials( this.withCredentials );
+ loader.load( url, function ( text ) {
+
+ var json = JSON.parse( text );
+ var metadata = json.metadata;
+
+ if ( metadata !== undefined ) {
+
+ var type = metadata.type;
+
+ if ( type !== undefined ) {
+
+ if ( type.toLowerCase() === 'object' ) {
+
+ console.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.ObjectLoader instead.' );
+ return;
+
+ }
+
+ if ( type.toLowerCase() === 'scene' ) {
+
+ console.error( 'THREE.JSONLoader: ' + url + ' should be loaded with THREE.SceneLoader instead.' );
+ return;
+
+ }
+
+ }
+
+ }
+
+ var object = scope.parse( json, texturePath );
+ onLoad( object.geometry, object.materials );
+
+ }, onProgress, onError );
+
+ },
+
+ setTexturePath: function ( value ) {
+
+ this.texturePath = value;
+
+ },
+
+ parse: ( function () {
+
+ function parseModel( json, geometry ) {
+
+ function isBitSet( value, position ) {
+
+ return value & ( 1 << position );
+
+ }
+
+ var i, j, fi,
+
+ offset, zLength,
+
+ colorIndex, normalIndex, uvIndex, materialIndex,
+
+ type,
+ isQuad,
+ hasMaterial,
+ hasFaceVertexUv,
+ hasFaceNormal, hasFaceVertexNormal,
+ hasFaceColor, hasFaceVertexColor,
+
+ vertex, face, faceA, faceB, hex, normal,
+
+ uvLayer, uv, u, v,
+
+ faces = json.faces,
+ vertices = json.vertices,
+ normals = json.normals,
+ colors = json.colors,
+
+ scale = json.scale,
+
+ nUvLayers = 0;
+
+
+ if ( json.uvs !== undefined ) {
+
+ // disregard empty arrays
+
+ for ( i = 0; i < json.uvs.length; i ++ ) {
+
+ if ( json.uvs[ i ].length ) nUvLayers ++;
+
+ }
+
+ for ( i = 0; i < nUvLayers; i ++ ) {
+
+ geometry.faceVertexUvs[ i ] = [];
+
+ }
+
+ }
+
+ offset = 0;
+ zLength = vertices.length;
+
+ while ( offset < zLength ) {
+
+ vertex = new Vector3();
+
+ vertex.x = vertices[ offset ++ ] * scale;
+ vertex.y = vertices[ offset ++ ] * scale;
+ vertex.z = vertices[ offset ++ ] * scale;
+
+ geometry.vertices.push( vertex );
+
+ }
+
+ offset = 0;
+ zLength = faces.length;
+
+ while ( offset < zLength ) {
+
+ type = faces[ offset ++ ];
+
+ isQuad = isBitSet( type, 0 );
+ hasMaterial = isBitSet( type, 1 );
+ hasFaceVertexUv = isBitSet( type, 3 );
+ hasFaceNormal = isBitSet( type, 4 );
+ hasFaceVertexNormal = isBitSet( type, 5 );
+ hasFaceColor = isBitSet( type, 6 );
+ hasFaceVertexColor = isBitSet( type, 7 );
+
+ // console.log("type", type, "bits", isQuad, hasMaterial, hasFaceVertexUv, hasFaceNormal, hasFaceVertexNormal, hasFaceColor, hasFaceVertexColor);
+
+ if ( isQuad ) {
+
+ faceA = new Face3();
+ faceA.a = faces[ offset ];
+ faceA.b = faces[ offset + 1 ];
+ faceA.c = faces[ offset + 3 ];
+
+ faceB = new Face3();
+ faceB.a = faces[ offset + 1 ];
+ faceB.b = faces[ offset + 2 ];
+ faceB.c = faces[ offset + 3 ];
+
+ offset += 4;
+
+ if ( hasMaterial ) {
+
+ materialIndex = faces[ offset ++ ];
+ faceA.materialIndex = materialIndex;
+ faceB.materialIndex = materialIndex;
+
+ }
+
+ // to get face <=> uv index correspondence
+
+ fi = geometry.faces.length;
+
+ if ( hasFaceVertexUv ) {
+
+ for ( i = 0; i < nUvLayers; i ++ ) {
+
+ uvLayer = json.uvs[ i ];
+
+ geometry.faceVertexUvs[ i ][ fi ] = [];
+ geometry.faceVertexUvs[ i ][ fi + 1 ] = [];
+
+ for ( j = 0; j < 4; j ++ ) {
+
+ uvIndex = faces[ offset ++ ];
+
+ u = uvLayer[ uvIndex * 2 ];
+ v = uvLayer[ uvIndex * 2 + 1 ];
+
+ uv = new Vector2( u, v );
+
+ if ( j !== 2 ) geometry.faceVertexUvs[ i ][ fi ].push( uv );
+ if ( j !== 0 ) geometry.faceVertexUvs[ i ][ fi + 1 ].push( uv );
+
+ }
+
+ }
+
+ }
+
+ if ( hasFaceNormal ) {
+
+ normalIndex = faces[ offset ++ ] * 3;
+
+ faceA.normal.set(
+ normals[ normalIndex ++ ],
+ normals[ normalIndex ++ ],
+ normals[ normalIndex ]
+ );
+
+ faceB.normal.copy( faceA.normal );
+
+ }
+
+ if ( hasFaceVertexNormal ) {
+
+ for ( i = 0; i < 4; i ++ ) {
+
+ normalIndex = faces[ offset ++ ] * 3;
+
+ normal = new Vector3(
+ normals[ normalIndex ++ ],
+ normals[ normalIndex ++ ],
+ normals[ normalIndex ]
+ );
+
+
+ if ( i !== 2 ) faceA.vertexNormals.push( normal );
+ if ( i !== 0 ) faceB.vertexNormals.push( normal );
+
+ }
+
+ }
+
+
+ if ( hasFaceColor ) {
+
+ colorIndex = faces[ offset ++ ];
+ hex = colors[ colorIndex ];
+
+ faceA.color.setHex( hex );
+ faceB.color.setHex( hex );
+
+ }
+
+
+ if ( hasFaceVertexColor ) {
+
+ for ( i = 0; i < 4; i ++ ) {
+
+ colorIndex = faces[ offset ++ ];
+ hex = colors[ colorIndex ];
+
+ if ( i !== 2 ) faceA.vertexColors.push( new Color( hex ) );
+ if ( i !== 0 ) faceB.vertexColors.push( new Color( hex ) );
+
+ }
+
+ }
+
+ geometry.faces.push( faceA );
+ geometry.faces.push( faceB );
+
+ } else {
+
+ face = new Face3();
+ face.a = faces[ offset ++ ];
+ face.b = faces[ offset ++ ];
+ face.c = faces[ offset ++ ];
+
+ if ( hasMaterial ) {
+
+ materialIndex = faces[ offset ++ ];
+ face.materialIndex = materialIndex;
+
+ }
+
+ // to get face <=> uv index correspondence
+
+ fi = geometry.faces.length;
+
+ if ( hasFaceVertexUv ) {
+
+ for ( i = 0; i < nUvLayers; i ++ ) {
+
+ uvLayer = json.uvs[ i ];
+
+ geometry.faceVertexUvs[ i ][ fi ] = [];
+
+ for ( j = 0; j < 3; j ++ ) {
+
+ uvIndex = faces[ offset ++ ];
+
+ u = uvLayer[ uvIndex * 2 ];
+ v = uvLayer[ uvIndex * 2 + 1 ];
+
+ uv = new Vector2( u, v );
+
+ geometry.faceVertexUvs[ i ][ fi ].push( uv );
+
+ }
+
+ }
+
+ }
+
+ if ( hasFaceNormal ) {
+
+ normalIndex = faces[ offset ++ ] * 3;
+
+ face.normal.set(
+ normals[ normalIndex ++ ],
+ normals[ normalIndex ++ ],
+ normals[ normalIndex ]
+ );
+
+ }
+
+ if ( hasFaceVertexNormal ) {
+
+ for ( i = 0; i < 3; i ++ ) {
+
+ normalIndex = faces[ offset ++ ] * 3;
+
+ normal = new Vector3(
+ normals[ normalIndex ++ ],
+ normals[ normalIndex ++ ],
+ normals[ normalIndex ]
+ );
+
+ face.vertexNormals.push( normal );
+
+ }
+
+ }
+
+
+ if ( hasFaceColor ) {
+
+ colorIndex = faces[ offset ++ ];
+ face.color.setHex( colors[ colorIndex ] );
+
+ }
+
+
+ if ( hasFaceVertexColor ) {
+
+ for ( i = 0; i < 3; i ++ ) {
+
+ colorIndex = faces[ offset ++ ];
+ face.vertexColors.push( new Color( colors[ colorIndex ] ) );
+
+ }
+
+ }
+
+ geometry.faces.push( face );
+
+ }
+
+ }
+
+ }
+
+ function parseSkin( json, geometry ) {
+
+ var influencesPerVertex = ( json.influencesPerVertex !== undefined ) ? json.influencesPerVertex : 2;
+
+ if ( json.skinWeights ) {
+
+ for ( var i = 0, l = json.skinWeights.length; i < l; i += influencesPerVertex ) {
+
+ var x = json.skinWeights[ i ];
+ var y = ( influencesPerVertex > 1 ) ? json.skinWeights[ i + 1 ] : 0;
+ var z = ( influencesPerVertex > 2 ) ? json.skinWeights[ i + 2 ] : 0;
+ var w = ( influencesPerVertex > 3 ) ? json.skinWeights[ i + 3 ] : 0;
+
+ geometry.skinWeights.push( new Vector4( x, y, z, w ) );
+
+ }
+
+ }
+
+ if ( json.skinIndices ) {
+
+ for ( var i = 0, l = json.skinIndices.length; i < l; i += influencesPerVertex ) {
+
+ var a = json.skinIndices[ i ];
+ var b = ( influencesPerVertex > 1 ) ? json.skinIndices[ i + 1 ] : 0;
+ var c = ( influencesPerVertex > 2 ) ? json.skinIndices[ i + 2 ] : 0;
+ var d = ( influencesPerVertex > 3 ) ? json.skinIndices[ i + 3 ] : 0;
+
+ geometry.skinIndices.push( new Vector4( a, b, c, d ) );
+
+ }
+
+ }
+
+ geometry.bones = json.bones;
+
+ if ( geometry.bones && geometry.bones.length > 0 && ( geometry.skinWeights.length !== geometry.skinIndices.length || geometry.skinIndices.length !== geometry.vertices.length ) ) {
+
+ console.warn( 'When skinning, number of vertices (' + geometry.vertices.length + '), skinIndices (' +
+ geometry.skinIndices.length + '), and skinWeights (' + geometry.skinWeights.length + ') should match.' );
+
+ }
+
+ }
+
+ function parseMorphing( json, geometry ) {
+
+ var scale = json.scale;
+
+ if ( json.morphTargets !== undefined ) {
+
+ for ( var i = 0, l = json.morphTargets.length; i < l; i ++ ) {
+
+ geometry.morphTargets[ i ] = {};
+ geometry.morphTargets[ i ].name = json.morphTargets[ i ].name;
+ geometry.morphTargets[ i ].vertices = [];
+
+ var dstVertices = geometry.morphTargets[ i ].vertices;
+ var srcVertices = json.morphTargets[ i ].vertices;
+
+ for ( var v = 0, vl = srcVertices.length; v < vl; v += 3 ) {
+
+ var vertex = new Vector3();
+ vertex.x = srcVertices[ v ] * scale;
+ vertex.y = srcVertices[ v + 1 ] * scale;
+ vertex.z = srcVertices[ v + 2 ] * scale;
+
+ dstVertices.push( vertex );
+
+ }
+
+ }
+
+ }
+
+ if ( json.morphColors !== undefined && json.morphColors.length > 0 ) {
+
+ console.warn( 'THREE.JSONLoader: "morphColors" no longer supported. Using them as face colors.' );
+
+ var faces = geometry.faces;
+ var morphColors = json.morphColors[ 0 ].colors;
+
+ for ( var i = 0, l = faces.length; i < l; i ++ ) {
+
+ faces[ i ].color.fromArray( morphColors, i * 3 );
+
+ }
+
+ }
+
+ }
+
+ function parseAnimations( json, geometry ) {
+
+ var outputAnimations = [];
+
+ // parse old style Bone/Hierarchy animations
+ var animations = [];
+
+ if ( json.animation !== undefined ) {
+
+ animations.push( json.animation );
+
+ }
+
+ if ( json.animations !== undefined ) {
+
+ if ( json.animations.length ) {
+
+ animations = animations.concat( json.animations );
+
+ } else {
+
+ animations.push( json.animations );
+
+ }
+
+ }
+
+ for ( var i = 0; i < animations.length; i ++ ) {
+
+ var clip = AnimationClip.parseAnimation( animations[ i ], geometry.bones );
+ if ( clip ) outputAnimations.push( clip );
+
+ }
+
+ // parse implicit morph animations
+ if ( geometry.morphTargets ) {
+
+ // TODO: Figure out what an appropraite FPS is for morph target animations -- defaulting to 10, but really it is completely arbitrary.
+ var morphAnimationClips = AnimationClip.CreateClipsFromMorphTargetSequences( geometry.morphTargets, 10 );
+ outputAnimations = outputAnimations.concat( morphAnimationClips );
+
+ }
+
+ if ( outputAnimations.length > 0 ) geometry.animations = outputAnimations;
+
+ }
+
+ return function ( json, texturePath ) {
+
+ if ( json.data !== undefined ) {
+
+ // Geometry 4.0 spec
+ json = json.data;
+
+ }
+
+ if ( json.scale !== undefined ) {
+
+ json.scale = 1.0 / json.scale;
+
+ } else {
+
+ json.scale = 1.0;
+
+ }
+
+ var geometry = new Geometry();
+
+ parseModel( json, geometry );
+ parseSkin( json, geometry );
+ parseMorphing( json, geometry );
+ parseAnimations( json, geometry );
+
+ geometry.computeFaceNormals();
+ geometry.computeBoundingSphere();
+
+ if ( json.materials === undefined || json.materials.length === 0 ) {
+
+ return { geometry: geometry };
+
+ } else {
+
+ var materials = Loader.prototype.initMaterials( json.materials, texturePath, this.crossOrigin );
+
+ return { geometry: geometry, materials: materials };
+
+ }
+
+ };
+
+ } )()
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function ObjectLoader( manager ) {
+
+ this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;
+ this.texturePath = '';
+
+ }
+
+ Object.assign( ObjectLoader.prototype, {
+
+ load: function ( url, onLoad, onProgress, onError ) {
+
+ if ( this.texturePath === '' ) {
+
+ this.texturePath = url.substring( 0, url.lastIndexOf( '/' ) + 1 );
+
+ }
+
+ var scope = this;
+
+ var loader = new FileLoader( scope.manager );
+ loader.load( url, function ( text ) {
+
+ var json = null;
+
+ try {
+
+ json = JSON.parse( text );
+
+ } catch ( error ) {
+
+ if ( onError !== undefined ) onError( error );
+
+ console.error( 'THREE:ObjectLoader: Can\'t parse ' + url + '.', error.message );
+
+ return;
+
+ }
+
+ var metadata = json.metadata;
+
+ if ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {
+
+ console.error( 'THREE.ObjectLoader: Can\'t load ' + url + '. Use THREE.JSONLoader instead.' );
+ return;
+
+ }
+
+ scope.parse( json, onLoad );
+
+ }, onProgress, onError );
+
+ },
+
+ setTexturePath: function ( value ) {
+
+ this.texturePath = value;
+
+ },
+
+ setCrossOrigin: function ( value ) {
+
+ this.crossOrigin = value;
+
+ },
+
+ parse: function ( json, onLoad ) {
+
+ var shapes = this.parseShape( json.shapes );
+ var geometries = this.parseGeometries( json.geometries, shapes );
+
+ var images = this.parseImages( json.images, function () {
+
+ if ( onLoad !== undefined ) onLoad( object );
+
+ } );
+
+ var textures = this.parseTextures( json.textures, images );
+ var materials = this.parseMaterials( json.materials, textures );
+
+ var object = this.parseObject( json.object, geometries, materials );
+
+ if ( json.animations ) {
+
+ object.animations = this.parseAnimations( json.animations );
+
+ }
+
+ if ( json.images === undefined || json.images.length === 0 ) {
+
+ if ( onLoad !== undefined ) onLoad( object );
+
+ }
+
+ return object;
+
+ },
+
+ parseShape: function ( json ) {
+
+ var shapes = {};
+
+ if ( json !== undefined ) {
+
+ for ( var i = 0, l = json.length; i < l; i ++ ) {
+
+ var shape = new Shape().fromJSON( json[ i ] );
+
+ shapes[ shape.uuid ] = shape;
+
+ }
+
+ }
+
+ return shapes;
+
+ },
+
+ parseGeometries: function ( json, shapes ) {
+
+ var geometries = {};
+
+ if ( json !== undefined ) {
+
+ var geometryLoader = new JSONLoader();
+ var bufferGeometryLoader = new BufferGeometryLoader();
+
+ for ( var i = 0, l = json.length; i < l; i ++ ) {
+
+ var geometry;
+ var data = json[ i ];
+
+ switch ( data.type ) {
+
+ case 'PlaneGeometry':
+ case 'PlaneBufferGeometry':
+
+ geometry = new Geometries[ data.type ](
+ data.width,
+ data.height,
+ data.widthSegments,
+ data.heightSegments
+ );
+
+ break;
+
+ case 'BoxGeometry':
+ case 'BoxBufferGeometry':
+ case 'CubeGeometry': // backwards compatible
+
+ geometry = new Geometries[ data.type ](
+ data.width,
+ data.height,
+ data.depth,
+ data.widthSegments,
+ data.heightSegments,
+ data.depthSegments
+ );
+
+ break;
+
+ case 'CircleGeometry':
+ case 'CircleBufferGeometry':
+
+ geometry = new Geometries[ data.type ](
+ data.radius,
+ data.segments,
+ data.thetaStart,
+ data.thetaLength
+ );
+
+ break;
+
+ case 'CylinderGeometry':
+ case 'CylinderBufferGeometry':
+
+ geometry = new Geometries[ data.type ](
+ data.radiusTop,
+ data.radiusBottom,
+ data.height,
+ data.radialSegments,
+ data.heightSegments,
+ data.openEnded,
+ data.thetaStart,
+ data.thetaLength
+ );
+
+ break;
+
+ case 'ConeGeometry':
+ case 'ConeBufferGeometry':
+
+ geometry = new Geometries[ data.type ](
+ data.radius,
+ data.height,
+ data.radialSegments,
+ data.heightSegments,
+ data.openEnded,
+ data.thetaStart,
+ data.thetaLength
+ );
+
+ break;
+
+ case 'SphereGeometry':
+ case 'SphereBufferGeometry':
+
+ geometry = new Geometries[ data.type ](
+ data.radius,
+ data.widthSegments,
+ data.heightSegments,
+ data.phiStart,
+ data.phiLength,
+ data.thetaStart,
+ data.thetaLength
+ );
+
+ break;
+
+ case 'DodecahedronGeometry':
+ case 'DodecahedronBufferGeometry':
+ case 'IcosahedronGeometry':
+ case 'IcosahedronBufferGeometry':
+ case 'OctahedronGeometry':
+ case 'OctahedronBufferGeometry':
+ case 'TetrahedronGeometry':
+ case 'TetrahedronBufferGeometry':
+
+ geometry = new Geometries[ data.type ](
+ data.radius,
+ data.detail
+ );
+
+ break;
+
+ case 'RingGeometry':
+ case 'RingBufferGeometry':
+
+ geometry = new Geometries[ data.type ](
+ data.innerRadius,
+ data.outerRadius,
+ data.thetaSegments,
+ data.phiSegments,
+ data.thetaStart,
+ data.thetaLength
+ );
+
+ break;
+
+ case 'TorusGeometry':
+ case 'TorusBufferGeometry':
+
+ geometry = new Geometries[ data.type ](
+ data.radius,
+ data.tube,
+ data.radialSegments,
+ data.tubularSegments,
+ data.arc
+ );
+
+ break;
+
+ case 'TorusKnotGeometry':
+ case 'TorusKnotBufferGeometry':
+
+ geometry = new Geometries[ data.type ](
+ data.radius,
+ data.tube,
+ data.tubularSegments,
+ data.radialSegments,
+ data.p,
+ data.q
+ );
+
+ break;
+
+ case 'LatheGeometry':
+ case 'LatheBufferGeometry':
+
+ geometry = new Geometries[ data.type ](
+ data.points,
+ data.segments,
+ data.phiStart,
+ data.phiLength
+ );
+
+ break;
+
+ case 'PolyhedronGeometry':
+ case 'PolyhedronBufferGeometry':
+
+ geometry = new Geometries[ data.type ](
+ data.vertices,
+ data.indices,
+ data.radius,
+ data.details
+ );
+
+ break;
+
+ case 'ShapeGeometry':
+ case 'ShapeBufferGeometry':
+
+ var geometryShapes = [];
+
+ for ( var i = 0, l = data.shapes.length; i < l; i ++ ) {
+
+ var shape = shapes[ data.shapes[ i ] ];
+
+ geometryShapes.push( shape );
+
+ }
+
+ geometry = new Geometries[ data.type ](
+ geometryShapes,
+ data.curveSegments
+ );
+
+ break;
+
+ case 'BufferGeometry':
+
+ geometry = bufferGeometryLoader.parse( data );
+
+ break;
+
+ case 'Geometry':
+
+ geometry = geometryLoader.parse( data, this.texturePath ).geometry;
+
+ break;
+
+ default:
+
+ console.warn( 'THREE.ObjectLoader: Unsupported geometry type "' + data.type + '"' );
+
+ continue;
+
+ }
+
+ geometry.uuid = data.uuid;
+
+ if ( data.name !== undefined ) geometry.name = data.name;
+
+ geometries[ data.uuid ] = geometry;
+
+ }
+
+ }
+
+ return geometries;
+
+ },
+
+ parseMaterials: function ( json, textures ) {
+
+ var materials = {};
+
+ if ( json !== undefined ) {
+
+ var loader = new MaterialLoader();
+ loader.setTextures( textures );
+
+ for ( var i = 0, l = json.length; i < l; i ++ ) {
+
+ var data = json[ i ];
+
+ if ( data.type === 'MultiMaterial' ) {
+
+ // Deprecated
+
+ var array = [];
+
+ for ( var j = 0; j < data.materials.length; j ++ ) {
+
+ array.push( loader.parse( data.materials[ j ] ) );
+
+ }
+
+ materials[ data.uuid ] = array;
+
+ } else {
+
+ materials[ data.uuid ] = loader.parse( data );
+
+ }
+
+ }
+
+ }
+
+ return materials;
+
+ },
+
+ parseAnimations: function ( json ) {
+
+ var animations = [];
+
+ for ( var i = 0; i < json.length; i ++ ) {
+
+ var clip = AnimationClip.parse( json[ i ] );
+
+ animations.push( clip );
+
+ }
+
+ return animations;
+
+ },
+
+ parseImages: function ( json, onLoad ) {
+
+ var scope = this;
+ var images = {};
+
+ function loadImage( url ) {
+
+ scope.manager.itemStart( url );
+
+ return loader.load( url, function () {
+
+ scope.manager.itemEnd( url );
+
+ }, undefined, function () {
+
+ scope.manager.itemEnd( url );
+ scope.manager.itemError( url );
+
+ } );
+
+ }
+
+ if ( json !== undefined && json.length > 0 ) {
+
+ var manager = new LoadingManager( onLoad );
+
+ var loader = new ImageLoader( manager );
+ loader.setCrossOrigin( this.crossOrigin );
+
+ for ( var i = 0, l = json.length; i < l; i ++ ) {
+
+ var image = json[ i ];
+ var path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( image.url ) ? image.url : scope.texturePath + image.url;
+
+ images[ image.uuid ] = loadImage( path );
+
+ }
+
+ }
+
+ return images;
+
+ },
+
+ parseTextures: function ( json, images ) {
+
+ function parseConstant( value, type ) {
+
+ if ( typeof value === 'number' ) return value;
+
+ console.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );
+
+ return type[ value ];
+
+ }
+
+ var textures = {};
+
+ if ( json !== undefined ) {
+
+ for ( var i = 0, l = json.length; i < l; i ++ ) {
+
+ var data = json[ i ];
+
+ if ( data.image === undefined ) {
+
+ console.warn( 'THREE.ObjectLoader: No "image" specified for', data.uuid );
+
+ }
+
+ if ( images[ data.image ] === undefined ) {
+
+ console.warn( 'THREE.ObjectLoader: Undefined image', data.image );
+
+ }
+
+ var texture = new Texture( images[ data.image ] );
+ texture.needsUpdate = true;
+
+ texture.uuid = data.uuid;
+
+ if ( data.name !== undefined ) texture.name = data.name;
+
+ if ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TEXTURE_MAPPING );
+
+ if ( data.offset !== undefined ) texture.offset.fromArray( data.offset );
+ if ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );
+ if ( data.center !== undefined ) texture.center.fromArray( data.center );
+ if ( data.rotation !== undefined ) texture.rotation = data.rotation;
+
+ if ( data.wrap !== undefined ) {
+
+ texture.wrapS = parseConstant( data.wrap[ 0 ], TEXTURE_WRAPPING );
+ texture.wrapT = parseConstant( data.wrap[ 1 ], TEXTURE_WRAPPING );
+
+ }
+
+ if ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TEXTURE_FILTER );
+ if ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TEXTURE_FILTER );
+ if ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;
+
+ if ( data.flipY !== undefined ) texture.flipY = data.flipY;
+
+ textures[ data.uuid ] = texture;
+
+ }
+
+ }
+
+ return textures;
+
+ },
+
+ parseObject: function () {
+
+ var matrix = new Matrix4();
+
+ return function parseObject( data, geometries, materials ) {
+
+ var object;
+
+ function getGeometry( name ) {
+
+ if ( geometries[ name ] === undefined ) {
+
+ console.warn( 'THREE.ObjectLoader: Undefined geometry', name );
+
+ }
+
+ return geometries[ name ];
+
+ }
+
+ function getMaterial( name ) {
+
+ if ( name === undefined ) return undefined;
+
+ if ( Array.isArray( name ) ) {
+
+ var array = [];
+
+ for ( var i = 0, l = name.length; i < l; i ++ ) {
+
+ var uuid = name[ i ];
+
+ if ( materials[ uuid ] === undefined ) {
+
+ console.warn( 'THREE.ObjectLoader: Undefined material', uuid );
+
+ }
+
+ array.push( materials[ uuid ] );
+
+ }
+
+ return array;
+
+ }
+
+ if ( materials[ name ] === undefined ) {
+
+ console.warn( 'THREE.ObjectLoader: Undefined material', name );
+
+ }
+
+ return materials[ name ];
+
+ }
+
+ switch ( data.type ) {
+
+ case 'Scene':
+
+ object = new Scene();
+
+ if ( data.background !== undefined ) {
+
+ if ( Number.isInteger( data.background ) ) {
+
+ object.background = new Color( data.background );
+
+ }
+
+ }
+
+ if ( data.fog !== undefined ) {
+
+ if ( data.fog.type === 'Fog' ) {
+
+ object.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );
+
+ } else if ( data.fog.type === 'FogExp2' ) {
+
+ object.fog = new FogExp2( data.fog.color, data.fog.density );
+
+ }
+
+ }
+
+ break;
+
+ case 'PerspectiveCamera':
+
+ object = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );
+
+ if ( data.focus !== undefined ) object.focus = data.focus;
+ if ( data.zoom !== undefined ) object.zoom = data.zoom;
+ if ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;
+ if ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;
+ if ( data.view !== undefined ) object.view = Object.assign( {}, data.view );
+
+ break;
+
+ case 'OrthographicCamera':
+
+ object = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );
+
+ break;
+
+ case 'AmbientLight':
+
+ object = new AmbientLight( data.color, data.intensity );
+
+ break;
+
+ case 'DirectionalLight':
+
+ object = new DirectionalLight( data.color, data.intensity );
+
+ break;
+
+ case 'PointLight':
+
+ object = new PointLight( data.color, data.intensity, data.distance, data.decay );
+
+ break;
+
+ case 'RectAreaLight':
+
+ object = new RectAreaLight( data.color, data.intensity, data.width, data.height );
+
+ break;
+
+ case 'SpotLight':
+
+ object = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );
+
+ break;
+
+ case 'HemisphereLight':
+
+ object = new HemisphereLight( data.color, data.groundColor, data.intensity );
+
+ break;
+
+ case 'SkinnedMesh':
+
+ console.warn( 'THREE.ObjectLoader.parseObject() does not support SkinnedMesh yet.' );
+
+ case 'Mesh':
+
+ var geometry = getGeometry( data.geometry );
+ var material = getMaterial( data.material );
+
+ if ( geometry.bones && geometry.bones.length > 0 ) {
+
+ object = new SkinnedMesh( geometry, material );
+
+ } else {
+
+ object = new Mesh( geometry, material );
+
+ }
+
+ break;
+
+ case 'LOD':
+
+ object = new LOD();
+
+ break;
+
+ case 'Line':
+
+ object = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode );
+
+ break;
+
+ case 'LineLoop':
+
+ object = new LineLoop( getGeometry( data.geometry ), getMaterial( data.material ) );
+
+ break;
+
+ case 'LineSegments':
+
+ object = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );
+
+ break;
+
+ case 'PointCloud':
+ case 'Points':
+
+ object = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );
+
+ break;
+
+ case 'Sprite':
+
+ object = new Sprite( getMaterial( data.material ) );
+
+ break;
+
+ case 'Group':
+
+ object = new Group();
+
+ break;
+
+ default:
+
+ object = new Object3D();
+
+ }
+
+ object.uuid = data.uuid;
+
+ if ( data.name !== undefined ) object.name = data.name;
+ if ( data.matrix !== undefined ) {
+
+ matrix.fromArray( data.matrix );
+ matrix.decompose( object.position, object.quaternion, object.scale );
+
+ } else {
+
+ if ( data.position !== undefined ) object.position.fromArray( data.position );
+ if ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );
+ if ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );
+ if ( data.scale !== undefined ) object.scale.fromArray( data.scale );
+
+ }
+
+ if ( data.castShadow !== undefined ) object.castShadow = data.castShadow;
+ if ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;
+
+ if ( data.shadow ) {
+
+ if ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;
+ if ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;
+ if ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );
+ if ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );
+
+ }
+
+ if ( data.visible !== undefined ) object.visible = data.visible;
+ if ( data.userData !== undefined ) object.userData = data.userData;
+
+ if ( data.children !== undefined ) {
+
+ var children = data.children;
+
+ for ( var i = 0; i < children.length; i ++ ) {
+
+ object.add( this.parseObject( children[ i ], geometries, materials ) );
+
+ }
+
+ }
+
+ if ( data.type === 'LOD' ) {
+
+ var levels = data.levels;
+
+ for ( var l = 0; l < levels.length; l ++ ) {
+
+ var level = levels[ l ];
+ var child = object.getObjectByProperty( 'uuid', level.object );
+
+ if ( child !== undefined ) {
+
+ object.addLevel( child, level.distance );
+
+ }
+
+ }
+
+ }
+
+ return object;
+
+ };
+
+ }()
+
+ } );
+
+ var TEXTURE_MAPPING = {
+ UVMapping: UVMapping,
+ CubeReflectionMapping: CubeReflectionMapping,
+ CubeRefractionMapping: CubeRefractionMapping,
+ EquirectangularReflectionMapping: EquirectangularReflectionMapping,
+ EquirectangularRefractionMapping: EquirectangularRefractionMapping,
+ SphericalReflectionMapping: SphericalReflectionMapping,
+ CubeUVReflectionMapping: CubeUVReflectionMapping,
+ CubeUVRefractionMapping: CubeUVRefractionMapping
+ };
+
+ var TEXTURE_WRAPPING = {
+ RepeatWrapping: RepeatWrapping,
+ ClampToEdgeWrapping: ClampToEdgeWrapping,
+ MirroredRepeatWrapping: MirroredRepeatWrapping
+ };
+
+ var TEXTURE_FILTER = {
+ NearestFilter: NearestFilter,
+ NearestMipMapNearestFilter: NearestMipMapNearestFilter,
+ NearestMipMapLinearFilter: NearestMipMapLinearFilter,
+ LinearFilter: LinearFilter,
+ LinearMipMapNearestFilter: LinearMipMapNearestFilter,
+ LinearMipMapLinearFilter: LinearMipMapLinearFilter
+ };
+
+ /**
+ * @author thespite / http://clicktorelease.com/
+ */
+
+ function ImageBitmapLoader( manager ) {
+
+ if ( typeof createImageBitmap === 'undefined' ) {
+
+ console.warn( 'THREE.ImageBitmapLoader: createImageBitmap() not supported.' );
+
+ }
+
+ if ( typeof fetch === 'undefined' ) {
+
+ console.warn( 'THREE.ImageBitmapLoader: fetch() not supported.' );
+
+ }
+
+ this.manager = manager !== undefined ? manager : DefaultLoadingManager;
+ this.options = undefined;
+
+ }
+
+ ImageBitmapLoader.prototype = {
+
+ constructor: ImageBitmapLoader,
+
+ setOptions: function setOptions( options ) {
+
+ this.options = options;
+
+ return this;
+
+ },
+
+ load: function load( url, onLoad, onProgress, onError ) {
+
+ if ( url === undefined ) url = '';
+
+ if ( this.path !== undefined ) url = this.path + url;
+
+ var scope = this;
+
+ var cached = Cache.get( url );
+
+ if ( cached !== undefined ) {
+
+ scope.manager.itemStart( url );
+
+ setTimeout( function () {
+
+ if ( onLoad ) onLoad( cached );
+
+ scope.manager.itemEnd( url );
+
+ }, 0 );
+
+ return cached;
+
+ }
+
+ fetch( url ).then( function ( res ) {
+
+ return res.blob();
+
+ } ).then( function ( blob ) {
+
+ return createImageBitmap( blob, scope.options );
+
+ } ).then( function ( imageBitmap ) {
+
+ Cache.add( url, imageBitmap );
+
+ if ( onLoad ) onLoad( imageBitmap );
+
+ scope.manager.itemEnd( url );
+
+ } ).catch( function ( e ) {
+
+ if ( onError ) onError( e );
+
+ scope.manager.itemEnd( url );
+ scope.manager.itemError( url );
+
+ } );
+
+ },
+
+ setCrossOrigin: function ( /* value */ ) {
+
+ return this;
+
+ },
+
+ setPath: function ( value ) {
+
+ this.path = value;
+ return this;
+
+ }
+
+ };
+
+ /**
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ * minimal class for proxing functions to Path. Replaces old "extractSubpaths()"
+ **/
+
+ function ShapePath() {
+
+ this.type = 'ShapePath';
+
+ this.subPaths = [];
+ this.currentPath = null;
+
+ }
+
+ Object.assign( ShapePath.prototype, {
+
+ moveTo: function ( x, y ) {
+
+ this.currentPath = new Path();
+ this.subPaths.push( this.currentPath );
+ this.currentPath.moveTo( x, y );
+
+ },
+
+ lineTo: function ( x, y ) {
+
+ this.currentPath.lineTo( x, y );
+
+ },
+
+ quadraticCurveTo: function ( aCPx, aCPy, aX, aY ) {
+
+ this.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );
+
+ },
+
+ bezierCurveTo: function ( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {
+
+ this.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );
+
+ },
+
+ splineThru: function ( pts ) {
+
+ this.currentPath.splineThru( pts );
+
+ },
+
+ toShapes: function ( isCCW, noHoles ) {
+
+ function toShapesNoHoles( inSubpaths ) {
+
+ var shapes = [];
+
+ for ( var i = 0, l = inSubpaths.length; i < l; i ++ ) {
+
+ var tmpPath = inSubpaths[ i ];
+
+ var tmpShape = new Shape();
+ tmpShape.curves = tmpPath.curves;
+
+ shapes.push( tmpShape );
+
+ }
+
+ return shapes;
+
+ }
+
+ function isPointInsidePolygon( inPt, inPolygon ) {
+
+ var polyLen = inPolygon.length;
+
+ // inPt on polygon contour => immediate success or
+ // toggling of inside/outside at every single! intersection point of an edge
+ // with the horizontal line through inPt, left of inPt
+ // not counting lowerY endpoints of edges and whole edges on that line
+ var inside = false;
+ for ( var p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {
+
+ var edgeLowPt = inPolygon[ p ];
+ var edgeHighPt = inPolygon[ q ];
+
+ var edgeDx = edgeHighPt.x - edgeLowPt.x;
+ var edgeDy = edgeHighPt.y - edgeLowPt.y;
+
+ if ( Math.abs( edgeDy ) > Number.EPSILON ) {
+
+ // not parallel
+ if ( edgeDy < 0 ) {
+
+ edgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;
+ edgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;
+
+ }
+ if ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) continue;
+
+ if ( inPt.y === edgeLowPt.y ) {
+
+ if ( inPt.x === edgeLowPt.x ) return true; // inPt is on contour ?
+ // continue; // no intersection or edgeLowPt => doesn't count !!!
+
+ } else {
+
+ var perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );
+ if ( perpEdge === 0 ) return true; // inPt is on contour ?
+ if ( perpEdge < 0 ) continue;
+ inside = ! inside; // true intersection left of inPt
+
+ }
+
+ } else {
+
+ // parallel or collinear
+ if ( inPt.y !== edgeLowPt.y ) continue; // parallel
+ // edge lies on the same horizontal line as inPt
+ if ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||
+ ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) ) return true; // inPt: Point on contour !
+ // continue;
+
+ }
+
+ }
+
+ return inside;
+
+ }
+
+ var isClockWise = ShapeUtils.isClockWise;
+
+ var subPaths = this.subPaths;
+ if ( subPaths.length === 0 ) return [];
+
+ if ( noHoles === true ) return toShapesNoHoles( subPaths );
+
+
+ var solid, tmpPath, tmpShape, shapes = [];
+
+ if ( subPaths.length === 1 ) {
+
+ tmpPath = subPaths[ 0 ];
+ tmpShape = new Shape();
+ tmpShape.curves = tmpPath.curves;
+ shapes.push( tmpShape );
+ return shapes;
+
+ }
+
+ var holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );
+ holesFirst = isCCW ? ! holesFirst : holesFirst;
+
+ // console.log("Holes first", holesFirst);
+
+ var betterShapeHoles = [];
+ var newShapes = [];
+ var newShapeHoles = [];
+ var mainIdx = 0;
+ var tmpPoints;
+
+ newShapes[ mainIdx ] = undefined;
+ newShapeHoles[ mainIdx ] = [];
+
+ for ( var i = 0, l = subPaths.length; i < l; i ++ ) {
+
+ tmpPath = subPaths[ i ];
+ tmpPoints = tmpPath.getPoints();
+ solid = isClockWise( tmpPoints );
+ solid = isCCW ? ! solid : solid;
+
+ if ( solid ) {
+
+ if ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) ) mainIdx ++;
+
+ newShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };
+ newShapes[ mainIdx ].s.curves = tmpPath.curves;
+
+ if ( holesFirst ) mainIdx ++;
+ newShapeHoles[ mainIdx ] = [];
+
+ //console.log('cw', i);
+
+ } else {
+
+ newShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );
+
+ //console.log('ccw', i);
+
+ }
+
+ }
+
+ // only Holes? -> probably all Shapes with wrong orientation
+ if ( ! newShapes[ 0 ] ) return toShapesNoHoles( subPaths );
+
+
+ if ( newShapes.length > 1 ) {
+
+ var ambiguous = false;
+ var toChange = [];
+
+ for ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {
+
+ betterShapeHoles[ sIdx ] = [];
+
+ }
+
+ for ( var sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {
+
+ var sho = newShapeHoles[ sIdx ];
+
+ for ( var hIdx = 0; hIdx < sho.length; hIdx ++ ) {
+
+ var ho = sho[ hIdx ];
+ var hole_unassigned = true;
+
+ for ( var s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {
+
+ if ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {
+
+ if ( sIdx !== s2Idx ) toChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } );
+ if ( hole_unassigned ) {
+
+ hole_unassigned = false;
+ betterShapeHoles[ s2Idx ].push( ho );
+
+ } else {
+
+ ambiguous = true;
+
+ }
+
+ }
+
+ }
+ if ( hole_unassigned ) {
+
+ betterShapeHoles[ sIdx ].push( ho );
+
+ }
+
+ }
+
+ }
+ // console.log("ambiguous: ", ambiguous);
+ if ( toChange.length > 0 ) {
+
+ // console.log("to change: ", toChange);
+ if ( ! ambiguous ) newShapeHoles = betterShapeHoles;
+
+ }
+
+ }
+
+ var tmpHoles;
+
+ for ( var i = 0, il = newShapes.length; i < il; i ++ ) {
+
+ tmpShape = newShapes[ i ].s;
+ shapes.push( tmpShape );
+ tmpHoles = newShapeHoles[ i ];
+
+ for ( var j = 0, jl = tmpHoles.length; j < jl; j ++ ) {
+
+ tmpShape.holes.push( tmpHoles[ j ].h );
+
+ }
+
+ }
+
+ //console.log("shape", shapes);
+
+ return shapes;
+
+ }
+
+ } );
+
+ /**
+ * @author zz85 / http://www.lab4games.net/zz85/blog
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function Font( data ) {
+
+ this.type = 'Font';
+
+ this.data = data;
+
+ }
+
+ Object.assign( Font.prototype, {
+
+ isFont: true,
+
+ generateShapes: function ( text, size, divisions ) {
+
+ function createPaths( text ) {
+
+ var chars = String( text ).split( '' );
+ var scale = size / data.resolution;
+ var line_height = ( data.boundingBox.yMax - data.boundingBox.yMin + data.underlineThickness ) * scale;
+
+ var offsetX = 0, offsetY = 0;
+
+ var paths = [];
+
+ for ( var i = 0; i < chars.length; i ++ ) {
+
+ var char = chars[ i ];
+
+ if ( char === '\n' ) {
+
+ offsetX = 0;
+ offsetY -= line_height;
+
+ } else {
+
+ var ret = createPath( char, scale, offsetX, offsetY );
+ offsetX += ret.offsetX;
+ paths.push( ret.path );
+
+ }
+
+ }
+
+ return paths;
+
+ }
+
+ function createPath( c, scale, offsetX, offsetY ) {
+
+ var glyph = data.glyphs[ c ] || data.glyphs[ '?' ];
+
+ if ( ! glyph ) return;
+
+ var path = new ShapePath();
+
+ var pts = [];
+ var x, y, cpx, cpy, cpx0, cpy0, cpx1, cpy1, cpx2, cpy2, laste;
+
+ if ( glyph.o ) {
+
+ var outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) );
+
+ for ( var i = 0, l = outline.length; i < l; ) {
+
+ var action = outline[ i ++ ];
+
+ switch ( action ) {
+
+ case 'm': // moveTo
+
+ x = outline[ i ++ ] * scale + offsetX;
+ y = outline[ i ++ ] * scale + offsetY;
+
+ path.moveTo( x, y );
+
+ break;
+
+ case 'l': // lineTo
+
+ x = outline[ i ++ ] * scale + offsetX;
+ y = outline[ i ++ ] * scale + offsetY;
+
+ path.lineTo( x, y );
+
+ break;
+
+ case 'q': // quadraticCurveTo
+
+ cpx = outline[ i ++ ] * scale + offsetX;
+ cpy = outline[ i ++ ] * scale + offsetY;
+ cpx1 = outline[ i ++ ] * scale + offsetX;
+ cpy1 = outline[ i ++ ] * scale + offsetY;
+
+ path.quadraticCurveTo( cpx1, cpy1, cpx, cpy );
+
+ laste = pts[ pts.length - 1 ];
+
+ if ( laste ) {
+
+ cpx0 = laste.x;
+ cpy0 = laste.y;
+
+
+
+ }
+
+ break;
+
+ case 'b': // bezierCurveTo
+
+ cpx = outline[ i ++ ] * scale + offsetX;
+ cpy = outline[ i ++ ] * scale + offsetY;
+ cpx1 = outline[ i ++ ] * scale + offsetX;
+ cpy1 = outline[ i ++ ] * scale + offsetY;
+ cpx2 = outline[ i ++ ] * scale + offsetX;
+ cpy2 = outline[ i ++ ] * scale + offsetY;
+
+ path.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy );
+
+ laste = pts[ pts.length - 1 ];
+
+ if ( laste ) {
+
+ cpx0 = laste.x;
+ cpy0 = laste.y;
+
+
+
+ }
+
+ break;
+
+ }
+
+ }
+
+ }
+
+ return { offsetX: glyph.ha * scale, path: path };
+
+ }
+
+ //
+
+ if ( size === undefined ) size = 100;
+ if ( divisions === undefined ) divisions = 4;
+
+ var data = this.data;
+
+ var paths = createPaths( text );
+ var shapes = [];
+
+ for ( var p = 0, pl = paths.length; p < pl; p ++ ) {
+
+ Array.prototype.push.apply( shapes, paths[ p ].toShapes() );
+
+ }
+
+ return shapes;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function FontLoader( manager ) {
+
+ this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;
+
+ }
+
+ Object.assign( FontLoader.prototype, {
+
+ load: function ( url, onLoad, onProgress, onError ) {
+
+ var scope = this;
+
+ var loader = new FileLoader( this.manager );
+ loader.setPath( this.path );
+ loader.load( url, function ( text ) {
+
+ var json;
+
+ try {
+
+ json = JSON.parse( text );
+
+ } catch ( e ) {
+
+ console.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' );
+ json = JSON.parse( text.substring( 65, text.length - 2 ) );
+
+ }
+
+ var font = scope.parse( json );
+
+ if ( onLoad ) onLoad( font );
+
+ }, onProgress, onError );
+
+ },
+
+ parse: function ( json ) {
+
+ return new Font( json );
+
+ },
+
+ setPath: function ( value ) {
+
+ this.path = value;
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ var context;
+
+ var AudioContext = {
+
+ getContext: function () {
+
+ if ( context === undefined ) {
+
+ context = new ( window.AudioContext || window.webkitAudioContext )();
+
+ }
+
+ return context;
+
+ },
+
+ setContext: function ( value ) {
+
+ context = value;
+
+ }
+
+ };
+
+ /**
+ * @author Reece Aaron Lecrivain / http://reecenotes.com/
+ */
+
+ function AudioLoader( manager ) {
+
+ this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;
+
+ }
+
+ Object.assign( AudioLoader.prototype, {
+
+ load: function ( url, onLoad, onProgress, onError ) {
+
+ var loader = new FileLoader( this.manager );
+ loader.setResponseType( 'arraybuffer' );
+ loader.load( url, function ( buffer ) {
+
+ var context = AudioContext.getContext();
+
+ context.decodeAudioData( buffer, function ( audioBuffer ) {
+
+ onLoad( audioBuffer );
+
+ } );
+
+ }, onProgress, onError );
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function StereoCamera() {
+
+ this.type = 'StereoCamera';
+
+ this.aspect = 1;
+
+ this.eyeSep = 0.064;
+
+ this.cameraL = new PerspectiveCamera();
+ this.cameraL.layers.enable( 1 );
+ this.cameraL.matrixAutoUpdate = false;
+
+ this.cameraR = new PerspectiveCamera();
+ this.cameraR.layers.enable( 2 );
+ this.cameraR.matrixAutoUpdate = false;
+
+ }
+
+ Object.assign( StereoCamera.prototype, {
+
+ update: ( function () {
+
+ var instance, focus, fov, aspect, near, far, zoom, eyeSep;
+
+ var eyeRight = new Matrix4();
+ var eyeLeft = new Matrix4();
+
+ return function update( camera ) {
+
+ var needsUpdate = instance !== this || focus !== camera.focus || fov !== camera.fov ||
+ aspect !== camera.aspect * this.aspect || near !== camera.near ||
+ far !== camera.far || zoom !== camera.zoom || eyeSep !== this.eyeSep;
+
+ if ( needsUpdate ) {
+
+ instance = this;
+ focus = camera.focus;
+ fov = camera.fov;
+ aspect = camera.aspect * this.aspect;
+ near = camera.near;
+ far = camera.far;
+ zoom = camera.zoom;
+
+ // Off-axis stereoscopic effect based on
+ // http://paulbourke.net/stereographics/stereorender/
+
+ var projectionMatrix = camera.projectionMatrix.clone();
+ eyeSep = this.eyeSep / 2;
+ var eyeSepOnProjection = eyeSep * near / focus;
+ var ymax = ( near * Math.tan( _Math.DEG2RAD * fov * 0.5 ) ) / zoom;
+ var xmin, xmax;
+
+ // translate xOffset
+
+ eyeLeft.elements[ 12 ] = - eyeSep;
+ eyeRight.elements[ 12 ] = eyeSep;
+
+ // for left eye
+
+ xmin = - ymax * aspect + eyeSepOnProjection;
+ xmax = ymax * aspect + eyeSepOnProjection;
+
+ projectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );
+ projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );
+
+ this.cameraL.projectionMatrix.copy( projectionMatrix );
+
+ // for right eye
+
+ xmin = - ymax * aspect - eyeSepOnProjection;
+ xmax = ymax * aspect - eyeSepOnProjection;
+
+ projectionMatrix.elements[ 0 ] = 2 * near / ( xmax - xmin );
+ projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );
+
+ this.cameraR.projectionMatrix.copy( projectionMatrix );
+
+ }
+
+ this.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( eyeLeft );
+ this.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( eyeRight );
+
+ };
+
+ } )()
+
+ } );
+
+ /**
+ * Camera for rendering cube maps
+ * - renders scene into axis-aligned cube
+ *
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function CubeCamera( near, far, cubeResolution ) {
+
+ Object3D.call( this );
+
+ this.type = 'CubeCamera';
+
+ var fov = 90, aspect = 1;
+
+ var cameraPX = new PerspectiveCamera( fov, aspect, near, far );
+ cameraPX.up.set( 0, - 1, 0 );
+ cameraPX.lookAt( new Vector3( 1, 0, 0 ) );
+ this.add( cameraPX );
+
+ var cameraNX = new PerspectiveCamera( fov, aspect, near, far );
+ cameraNX.up.set( 0, - 1, 0 );
+ cameraNX.lookAt( new Vector3( - 1, 0, 0 ) );
+ this.add( cameraNX );
+
+ var cameraPY = new PerspectiveCamera( fov, aspect, near, far );
+ cameraPY.up.set( 0, 0, 1 );
+ cameraPY.lookAt( new Vector3( 0, 1, 0 ) );
+ this.add( cameraPY );
+
+ var cameraNY = new PerspectiveCamera( fov, aspect, near, far );
+ cameraNY.up.set( 0, 0, - 1 );
+ cameraNY.lookAt( new Vector3( 0, - 1, 0 ) );
+ this.add( cameraNY );
+
+ var cameraPZ = new PerspectiveCamera( fov, aspect, near, far );
+ cameraPZ.up.set( 0, - 1, 0 );
+ cameraPZ.lookAt( new Vector3( 0, 0, 1 ) );
+ this.add( cameraPZ );
+
+ var cameraNZ = new PerspectiveCamera( fov, aspect, near, far );
+ cameraNZ.up.set( 0, - 1, 0 );
+ cameraNZ.lookAt( new Vector3( 0, 0, - 1 ) );
+ this.add( cameraNZ );
+
+ var options = { format: RGBFormat, magFilter: LinearFilter, minFilter: LinearFilter };
+
+ this.renderTarget = new WebGLRenderTargetCube( cubeResolution, cubeResolution, options );
+ this.renderTarget.texture.name = "CubeCamera";
+
+ this.update = function ( renderer, scene ) {
+
+ if ( this.parent === null ) this.updateMatrixWorld();
+
+ var renderTarget = this.renderTarget;
+ var generateMipmaps = renderTarget.texture.generateMipmaps;
+
+ renderTarget.texture.generateMipmaps = false;
+
+ renderTarget.activeCubeFace = 0;
+ renderer.render( scene, cameraPX, renderTarget );
+
+ renderTarget.activeCubeFace = 1;
+ renderer.render( scene, cameraNX, renderTarget );
+
+ renderTarget.activeCubeFace = 2;
+ renderer.render( scene, cameraPY, renderTarget );
+
+ renderTarget.activeCubeFace = 3;
+ renderer.render( scene, cameraNY, renderTarget );
+
+ renderTarget.activeCubeFace = 4;
+ renderer.render( scene, cameraPZ, renderTarget );
+
+ renderTarget.texture.generateMipmaps = generateMipmaps;
+
+ renderTarget.activeCubeFace = 5;
+ renderer.render( scene, cameraNZ, renderTarget );
+
+ renderer.setRenderTarget( null );
+
+ };
+
+ this.clear = function ( renderer, color, depth, stencil ) {
+
+ var renderTarget = this.renderTarget;
+
+ for ( var i = 0; i < 6; i ++ ) {
+
+ renderTarget.activeCubeFace = i;
+ renderer.setRenderTarget( renderTarget );
+
+ renderer.clear( color, depth, stencil );
+
+ }
+
+ renderer.setRenderTarget( null );
+
+ };
+
+ }
+
+ CubeCamera.prototype = Object.create( Object3D.prototype );
+ CubeCamera.prototype.constructor = CubeCamera;
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function AudioListener() {
+
+ Object3D.call( this );
+
+ this.type = 'AudioListener';
+
+ this.context = AudioContext.getContext();
+
+ this.gain = this.context.createGain();
+ this.gain.connect( this.context.destination );
+
+ this.filter = null;
+
+ }
+
+ AudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), {
+
+ constructor: AudioListener,
+
+ getInput: function () {
+
+ return this.gain;
+
+ },
+
+ removeFilter: function ( ) {
+
+ if ( this.filter !== null ) {
+
+ this.gain.disconnect( this.filter );
+ this.filter.disconnect( this.context.destination );
+ this.gain.connect( this.context.destination );
+ this.filter = null;
+
+ }
+
+ },
+
+ getFilter: function () {
+
+ return this.filter;
+
+ },
+
+ setFilter: function ( value ) {
+
+ if ( this.filter !== null ) {
+
+ this.gain.disconnect( this.filter );
+ this.filter.disconnect( this.context.destination );
+
+ } else {
+
+ this.gain.disconnect( this.context.destination );
+
+ }
+
+ this.filter = value;
+ this.gain.connect( this.filter );
+ this.filter.connect( this.context.destination );
+
+ },
+
+ getMasterVolume: function () {
+
+ return this.gain.gain.value;
+
+ },
+
+ setMasterVolume: function ( value ) {
+
+ this.gain.gain.value = value;
+
+ },
+
+ updateMatrixWorld: ( function () {
+
+ var position = new Vector3();
+ var quaternion = new Quaternion();
+ var scale = new Vector3();
+
+ var orientation = new Vector3();
+
+ return function updateMatrixWorld( force ) {
+
+ Object3D.prototype.updateMatrixWorld.call( this, force );
+
+ var listener = this.context.listener;
+ var up = this.up;
+
+ this.matrixWorld.decompose( position, quaternion, scale );
+
+ orientation.set( 0, 0, - 1 ).applyQuaternion( quaternion );
+
+ if ( listener.positionX ) {
+
+ listener.positionX.setValueAtTime( position.x, this.context.currentTime );
+ listener.positionY.setValueAtTime( position.y, this.context.currentTime );
+ listener.positionZ.setValueAtTime( position.z, this.context.currentTime );
+ listener.forwardX.setValueAtTime( orientation.x, this.context.currentTime );
+ listener.forwardY.setValueAtTime( orientation.y, this.context.currentTime );
+ listener.forwardZ.setValueAtTime( orientation.z, this.context.currentTime );
+ listener.upX.setValueAtTime( up.x, this.context.currentTime );
+ listener.upY.setValueAtTime( up.y, this.context.currentTime );
+ listener.upZ.setValueAtTime( up.z, this.context.currentTime );
+
+ } else {
+
+ listener.setPosition( position.x, position.y, position.z );
+ listener.setOrientation( orientation.x, orientation.y, orientation.z, up.x, up.y, up.z );
+
+ }
+
+ };
+
+ } )()
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author Reece Aaron Lecrivain / http://reecenotes.com/
+ */
+
+ function Audio( listener ) {
+
+ Object3D.call( this );
+
+ this.type = 'Audio';
+
+ this.context = listener.context;
+
+ this.gain = this.context.createGain();
+ this.gain.connect( listener.getInput() );
+
+ this.autoplay = false;
+
+ this.buffer = null;
+ this.loop = false;
+ this.startTime = 0;
+ this.offset = 0;
+ this.playbackRate = 1;
+ this.isPlaying = false;
+ this.hasPlaybackControl = true;
+ this.sourceType = 'empty';
+
+ this.filters = [];
+
+ }
+
+ Audio.prototype = Object.assign( Object.create( Object3D.prototype ), {
+
+ constructor: Audio,
+
+ getOutput: function () {
+
+ return this.gain;
+
+ },
+
+ setNodeSource: function ( audioNode ) {
+
+ this.hasPlaybackControl = false;
+ this.sourceType = 'audioNode';
+ this.source = audioNode;
+ this.connect();
+
+ return this;
+
+ },
+
+ setBuffer: function ( audioBuffer ) {
+
+ this.buffer = audioBuffer;
+ this.sourceType = 'buffer';
+
+ if ( this.autoplay ) this.play();
+
+ return this;
+
+ },
+
+ play: function () {
+
+ if ( this.isPlaying === true ) {
+
+ console.warn( 'THREE.Audio: Audio is already playing.' );
+ return;
+
+ }
+
+ if ( this.hasPlaybackControl === false ) {
+
+ console.warn( 'THREE.Audio: this Audio has no playback control.' );
+ return;
+
+ }
+
+ var source = this.context.createBufferSource();
+
+ source.buffer = this.buffer;
+ source.loop = this.loop;
+ source.onended = this.onEnded.bind( this );
+ source.playbackRate.setValueAtTime( this.playbackRate, this.startTime );
+ this.startTime = this.context.currentTime;
+ source.start( this.startTime, this.offset );
+
+ this.isPlaying = true;
+
+ this.source = source;
+
+ return this.connect();
+
+ },
+
+ pause: function () {
+
+ if ( this.hasPlaybackControl === false ) {
+
+ console.warn( 'THREE.Audio: this Audio has no playback control.' );
+ return;
+
+ }
+
+ if ( this.isPlaying === true ) {
+
+ this.source.stop();
+ this.offset += ( this.context.currentTime - this.startTime ) * this.playbackRate;
+ this.isPlaying = false;
+
+ }
+
+ return this;
+
+ },
+
+ stop: function () {
+
+ if ( this.hasPlaybackControl === false ) {
+
+ console.warn( 'THREE.Audio: this Audio has no playback control.' );
+ return;
+
+ }
+
+ this.source.stop();
+ this.offset = 0;
+ this.isPlaying = false;
+
+ return this;
+
+ },
+
+ connect: function () {
+
+ if ( this.filters.length > 0 ) {
+
+ this.source.connect( this.filters[ 0 ] );
+
+ for ( var i = 1, l = this.filters.length; i < l; i ++ ) {
+
+ this.filters[ i - 1 ].connect( this.filters[ i ] );
+
+ }
+
+ this.filters[ this.filters.length - 1 ].connect( this.getOutput() );
+
+ } else {
+
+ this.source.connect( this.getOutput() );
+
+ }
+
+ return this;
+
+ },
+
+ disconnect: function () {
+
+ if ( this.filters.length > 0 ) {
+
+ this.source.disconnect( this.filters[ 0 ] );
+
+ for ( var i = 1, l = this.filters.length; i < l; i ++ ) {
+
+ this.filters[ i - 1 ].disconnect( this.filters[ i ] );
+
+ }
+
+ this.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );
+
+ } else {
+
+ this.source.disconnect( this.getOutput() );
+
+ }
+
+ return this;
+
+ },
+
+ getFilters: function () {
+
+ return this.filters;
+
+ },
+
+ setFilters: function ( value ) {
+
+ if ( ! value ) value = [];
+
+ if ( this.isPlaying === true ) {
+
+ this.disconnect();
+ this.filters = value;
+ this.connect();
+
+ } else {
+
+ this.filters = value;
+
+ }
+
+ return this;
+
+ },
+
+ getFilter: function () {
+
+ return this.getFilters()[ 0 ];
+
+ },
+
+ setFilter: function ( filter ) {
+
+ return this.setFilters( filter ? [ filter ] : [] );
+
+ },
+
+ setPlaybackRate: function ( value ) {
+
+ if ( this.hasPlaybackControl === false ) {
+
+ console.warn( 'THREE.Audio: this Audio has no playback control.' );
+ return;
+
+ }
+
+ this.playbackRate = value;
+
+ if ( this.isPlaying === true ) {
+
+ this.source.playbackRate.setValueAtTime( this.playbackRate, this.context.currentTime );
+
+ }
+
+ return this;
+
+ },
+
+ getPlaybackRate: function () {
+
+ return this.playbackRate;
+
+ },
+
+ onEnded: function () {
+
+ this.isPlaying = false;
+
+ },
+
+ getLoop: function () {
+
+ if ( this.hasPlaybackControl === false ) {
+
+ console.warn( 'THREE.Audio: this Audio has no playback control.' );
+ return false;
+
+ }
+
+ return this.loop;
+
+ },
+
+ setLoop: function ( value ) {
+
+ if ( this.hasPlaybackControl === false ) {
+
+ console.warn( 'THREE.Audio: this Audio has no playback control.' );
+ return;
+
+ }
+
+ this.loop = value;
+
+ if ( this.isPlaying === true ) {
+
+ this.source.loop = this.loop;
+
+ }
+
+ return this;
+
+ },
+
+ getVolume: function () {
+
+ return this.gain.gain.value;
+
+ },
+
+ setVolume: function ( value ) {
+
+ this.gain.gain.value = value;
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function PositionalAudio( listener ) {
+
+ Audio.call( this, listener );
+
+ this.panner = this.context.createPanner();
+ this.panner.connect( this.gain );
+
+ }
+
+ PositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), {
+
+ constructor: PositionalAudio,
+
+ getOutput: function () {
+
+ return this.panner;
+
+ },
+
+ getRefDistance: function () {
+
+ return this.panner.refDistance;
+
+ },
+
+ setRefDistance: function ( value ) {
+
+ this.panner.refDistance = value;
+
+ },
+
+ getRolloffFactor: function () {
+
+ return this.panner.rolloffFactor;
+
+ },
+
+ setRolloffFactor: function ( value ) {
+
+ this.panner.rolloffFactor = value;
+
+ },
+
+ getDistanceModel: function () {
+
+ return this.panner.distanceModel;
+
+ },
+
+ setDistanceModel: function ( value ) {
+
+ this.panner.distanceModel = value;
+
+ },
+
+ getMaxDistance: function () {
+
+ return this.panner.maxDistance;
+
+ },
+
+ setMaxDistance: function ( value ) {
+
+ this.panner.maxDistance = value;
+
+ },
+
+ updateMatrixWorld: ( function () {
+
+ var position = new Vector3();
+
+ return function updateMatrixWorld( force ) {
+
+ Object3D.prototype.updateMatrixWorld.call( this, force );
+
+ position.setFromMatrixPosition( this.matrixWorld );
+
+ this.panner.setPosition( position.x, position.y, position.z );
+
+ };
+
+ } )()
+
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function AudioAnalyser( audio, fftSize ) {
+
+ this.analyser = audio.context.createAnalyser();
+ this.analyser.fftSize = fftSize !== undefined ? fftSize : 2048;
+
+ this.data = new Uint8Array( this.analyser.frequencyBinCount );
+
+ audio.getOutput().connect( this.analyser );
+
+ }
+
+ Object.assign( AudioAnalyser.prototype, {
+
+ getFrequencyData: function () {
+
+ this.analyser.getByteFrequencyData( this.data );
+
+ return this.data;
+
+ },
+
+ getAverageFrequency: function () {
+
+ var value = 0, data = this.getFrequencyData();
+
+ for ( var i = 0; i < data.length; i ++ ) {
+
+ value += data[ i ];
+
+ }
+
+ return value / data.length;
+
+ }
+
+ } );
+
+ /**
+ *
+ * Buffered scene graph property that allows weighted accumulation.
+ *
+ *
+ * @author Ben Houston / http://clara.io/
+ * @author David Sarno / http://lighthaus.us/
+ * @author tschw
+ */
+
+ function PropertyMixer( binding, typeName, valueSize ) {
+
+ this.binding = binding;
+ this.valueSize = valueSize;
+
+ var bufferType = Float64Array,
+ mixFunction;
+
+ switch ( typeName ) {
+
+ case 'quaternion':
+ mixFunction = this._slerp;
+ break;
+
+ case 'string':
+ case 'bool':
+ bufferType = Array;
+ mixFunction = this._select;
+ break;
+
+ default:
+ mixFunction = this._lerp;
+
+ }
+
+ this.buffer = new bufferType( valueSize * 4 );
+ // layout: [ incoming | accu0 | accu1 | orig ]
+ //
+ // interpolators can use .buffer as their .result
+ // the data then goes to 'incoming'
+ //
+ // 'accu0' and 'accu1' are used frame-interleaved for
+ // the cumulative result and are compared to detect
+ // changes
+ //
+ // 'orig' stores the original state of the property
+
+ this._mixBufferRegion = mixFunction;
+
+ this.cumulativeWeight = 0;
+
+ this.useCount = 0;
+ this.referenceCount = 0;
+
+ }
+
+ Object.assign( PropertyMixer.prototype, {
+
+ // accumulate data in the 'incoming' region into 'accu<i>'
+ accumulate: function ( accuIndex, weight ) {
+
+ // note: happily accumulating nothing when weight = 0, the caller knows
+ // the weight and shouldn't have made the call in the first place
+
+ var buffer = this.buffer,
+ stride = this.valueSize,
+ offset = accuIndex * stride + stride,
+
+ currentWeight = this.cumulativeWeight;
+
+ if ( currentWeight === 0 ) {
+
+ // accuN := incoming * weight
+
+ for ( var i = 0; i !== stride; ++ i ) {
+
+ buffer[ offset + i ] = buffer[ i ];
+
+ }
+
+ currentWeight = weight;
+
+ } else {
+
+ // accuN := accuN + incoming * weight
+
+ currentWeight += weight;
+ var mix = weight / currentWeight;
+ this._mixBufferRegion( buffer, offset, 0, mix, stride );
+
+ }
+
+ this.cumulativeWeight = currentWeight;
+
+ },
+
+ // apply the state of 'accu<i>' to the binding when accus differ
+ apply: function ( accuIndex ) {
+
+ var stride = this.valueSize,
+ buffer = this.buffer,
+ offset = accuIndex * stride + stride,
+
+ weight = this.cumulativeWeight,
+
+ binding = this.binding;
+
+ this.cumulativeWeight = 0;
+
+ if ( weight < 1 ) {
+
+ // accuN := accuN + original * ( 1 - cumulativeWeight )
+
+ var originalValueOffset = stride * 3;
+
+ this._mixBufferRegion(
+ buffer, offset, originalValueOffset, 1 - weight, stride );
+
+ }
+
+ for ( var i = stride, e = stride + stride; i !== e; ++ i ) {
+
+ if ( buffer[ i ] !== buffer[ i + stride ] ) {
+
+ // value has changed -> update scene graph
+
+ binding.setValue( buffer, offset );
+ break;
+
+ }
+
+ }
+
+ },
+
+ // remember the state of the bound property and copy it to both accus
+ saveOriginalState: function () {
+
+ var binding = this.binding;
+
+ var buffer = this.buffer,
+ stride = this.valueSize,
+
+ originalValueOffset = stride * 3;
+
+ binding.getValue( buffer, originalValueOffset );
+
+ // accu[0..1] := orig -- initially detect changes against the original
+ for ( var i = stride, e = originalValueOffset; i !== e; ++ i ) {
+
+ buffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];
+
+ }
+
+ this.cumulativeWeight = 0;
+
+ },
+
+ // apply the state previously taken via 'saveOriginalState' to the binding
+ restoreOriginalState: function () {
+
+ var originalValueOffset = this.valueSize * 3;
+ this.binding.setValue( this.buffer, originalValueOffset );
+
+ },
+
+
+ // mix functions
+
+ _select: function ( buffer, dstOffset, srcOffset, t, stride ) {
+
+ if ( t >= 0.5 ) {
+
+ for ( var i = 0; i !== stride; ++ i ) {
+
+ buffer[ dstOffset + i ] = buffer[ srcOffset + i ];
+
+ }
+
+ }
+
+ },
+
+ _slerp: function ( buffer, dstOffset, srcOffset, t ) {
+
+ Quaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t );
+
+ },
+
+ _lerp: function ( buffer, dstOffset, srcOffset, t, stride ) {
+
+ var s = 1 - t;
+
+ for ( var i = 0; i !== stride; ++ i ) {
+
+ var j = dstOffset + i;
+
+ buffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;
+
+ }
+
+ }
+
+ } );
+
+ /**
+ *
+ * A reference to a real property in the scene graph.
+ *
+ *
+ * @author Ben Houston / http://clara.io/
+ * @author David Sarno / http://lighthaus.us/
+ * @author tschw
+ */
+
+ function Composite( targetGroup, path, optionalParsedPath ) {
+
+ var parsedPath = optionalParsedPath || PropertyBinding.parseTrackName( path );
+
+ this._targetGroup = targetGroup;
+ this._bindings = targetGroup.subscribe_( path, parsedPath );
+
+ }
+
+ Object.assign( Composite.prototype, {
+
+ getValue: function ( array, offset ) {
+
+ this.bind(); // bind all binding
+
+ var firstValidIndex = this._targetGroup.nCachedObjects_,
+ binding = this._bindings[ firstValidIndex ];
+
+ // and only call .getValue on the first
+ if ( binding !== undefined ) binding.getValue( array, offset );
+
+ },
+
+ setValue: function ( array, offset ) {
+
+ var bindings = this._bindings;
+
+ for ( var i = this._targetGroup.nCachedObjects_,
+ n = bindings.length; i !== n; ++ i ) {
+
+ bindings[ i ].setValue( array, offset );
+
+ }
+
+ },
+
+ bind: function () {
+
+ var bindings = this._bindings;
+
+ for ( var i = this._targetGroup.nCachedObjects_,
+ n = bindings.length; i !== n; ++ i ) {
+
+ bindings[ i ].bind();
+
+ }
+
+ },
+
+ unbind: function () {
+
+ var bindings = this._bindings;
+
+ for ( var i = this._targetGroup.nCachedObjects_,
+ n = bindings.length; i !== n; ++ i ) {
+
+ bindings[ i ].unbind();
+
+ }
+
+ }
+
+ } );
+
+
+ function PropertyBinding( rootNode, path, parsedPath ) {
+
+ this.path = path;
+ this.parsedPath = parsedPath || PropertyBinding.parseTrackName( path );
+
+ this.node = PropertyBinding.findNode( rootNode, this.parsedPath.nodeName ) || rootNode;
+
+ this.rootNode = rootNode;
+
+ }
+
+ Object.assign( PropertyBinding, {
+
+ Composite: Composite,
+
+ create: function ( root, path, parsedPath ) {
+
+ if ( ! ( root && root.isAnimationObjectGroup ) ) {
+
+ return new PropertyBinding( root, path, parsedPath );
+
+ } else {
+
+ return new PropertyBinding.Composite( root, path, parsedPath );
+
+ }
+
+ },
+
+ /**
+ * Replaces spaces with underscores and removes unsupported characters from
+ * node names, to ensure compatibility with parseTrackName().
+ *
+ * @param {string} name Node name to be sanitized.
+ * @return {string}
+ */
+ sanitizeNodeName: function ( name ) {
+
+ return name.replace( /\s/g, '_' ).replace( /[^\w-]/g, '' );
+
+ },
+
+ parseTrackName: function () {
+
+ // Parent directories, delimited by '/' or ':'. Currently unused, but must
+ // be matched to parse the rest of the track name.
+ var directoryRe = /((?:[\w-]+[\/:])*)/;
+
+ // Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'.
+ var nodeRe = /([\w-\.]+)?/;
+
+ // Object on target node, and accessor. Name may contain only word
+ // characters. Accessor may contain any character except closing bracket.
+ var objectRe = /(?:\.([\w-]+)(?:\[(.+)\])?)?/;
+
+ // Property and accessor. May contain only word characters. Accessor may
+ // contain any non-bracket characters.
+ var propertyRe = /\.([\w-]+)(?:\[(.+)\])?/;
+
+ var trackRe = new RegExp( ''
+ + '^'
+ + directoryRe.source
+ + nodeRe.source
+ + objectRe.source
+ + propertyRe.source
+ + '$'
+ );
+
+ var supportedObjectNames = [ 'material', 'materials', 'bones' ];
+
+ return function ( trackName ) {
+
+ var matches = trackRe.exec( trackName );
+
+ if ( ! matches ) {
+
+ throw new Error( 'PropertyBinding: Cannot parse trackName: ' + trackName );
+
+ }
+
+ var results = {
+ // directoryName: matches[ 1 ], // (tschw) currently unused
+ nodeName: matches[ 2 ],
+ objectName: matches[ 3 ],
+ objectIndex: matches[ 4 ],
+ propertyName: matches[ 5 ], // required
+ propertyIndex: matches[ 6 ]
+ };
+
+ var lastDot = results.nodeName && results.nodeName.lastIndexOf( '.' );
+
+ if ( lastDot !== undefined && lastDot !== - 1 ) {
+
+ var objectName = results.nodeName.substring( lastDot + 1 );
+
+ // Object names must be checked against a whitelist. Otherwise, there
+ // is no way to parse 'foo.bar.baz': 'baz' must be a property, but
+ // 'bar' could be the objectName, or part of a nodeName (which can
+ // include '.' characters).
+ if ( supportedObjectNames.indexOf( objectName ) !== - 1 ) {
+
+ results.nodeName = results.nodeName.substring( 0, lastDot );
+ results.objectName = objectName;
+
+ }
+
+ }
+
+ if ( results.propertyName === null || results.propertyName.length === 0 ) {
+
+ throw new Error( 'PropertyBinding: can not parse propertyName from trackName: ' + trackName );
+
+ }
+
+ return results;
+
+ };
+
+ }(),
+
+ findNode: function ( root, nodeName ) {
+
+ if ( ! nodeName || nodeName === "" || nodeName === "root" || nodeName === "." || nodeName === - 1 || nodeName === root.name || nodeName === root.uuid ) {
+
+ return root;
+
+ }
+
+ // search into skeleton bones.
+ if ( root.skeleton ) {
+
+ var searchSkeleton = function ( skeleton ) {
+
+ for ( var i = 0; i < skeleton.bones.length; i ++ ) {
+
+ var bone = skeleton.bones[ i ];
+
+ if ( bone.name === nodeName ) {
+
+ return bone;
+
+ }
+
+ }
+
+ return null;
+
+ };
+
+ var bone = searchSkeleton( root.skeleton );
+
+ if ( bone ) {
+
+ return bone;
+
+ }
+
+ }
+
+ // search into node subtree.
+ if ( root.children ) {
+
+ var searchNodeSubtree = function ( children ) {
+
+ for ( var i = 0; i < children.length; i ++ ) {
+
+ var childNode = children[ i ];
+
+ if ( childNode.name === nodeName || childNode.uuid === nodeName ) {
+
+ return childNode;
+
+ }
+
+ var result = searchNodeSubtree( childNode.children );
+
+ if ( result ) return result;
+
+ }
+
+ return null;
+
+ };
+
+ var subTreeNode = searchNodeSubtree( root.children );
+
+ if ( subTreeNode ) {
+
+ return subTreeNode;
+
+ }
+
+ }
+
+ return null;
+
+ }
+
+ } );
+
+ Object.assign( PropertyBinding.prototype, { // prototype, continued
+
+ // these are used to "bind" a nonexistent property
+ _getValue_unavailable: function () {},
+ _setValue_unavailable: function () {},
+
+ BindingType: {
+ Direct: 0,
+ EntireArray: 1,
+ ArrayElement: 2,
+ HasFromToArray: 3
+ },
+
+ Versioning: {
+ None: 0,
+ NeedsUpdate: 1,
+ MatrixWorldNeedsUpdate: 2
+ },
+
+ GetterByBindingType: [
+
+ function getValue_direct( buffer, offset ) {
+
+ buffer[ offset ] = this.node[ this.propertyName ];
+
+ },
+
+ function getValue_array( buffer, offset ) {
+
+ var source = this.resolvedProperty;
+
+ for ( var i = 0, n = source.length; i !== n; ++ i ) {
+
+ buffer[ offset ++ ] = source[ i ];
+
+ }
+
+ },
+
+ function getValue_arrayElement( buffer, offset ) {
+
+ buffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];
+
+ },
+
+ function getValue_toArray( buffer, offset ) {
+
+ this.resolvedProperty.toArray( buffer, offset );
+
+ }
+
+ ],
+
+ SetterByBindingTypeAndVersioning: [
+
+ [
+ // Direct
+
+ function setValue_direct( buffer, offset ) {
+
+ this.targetObject[ this.propertyName ] = buffer[ offset ];
+
+ },
+
+ function setValue_direct_setNeedsUpdate( buffer, offset ) {
+
+ this.targetObject[ this.propertyName ] = buffer[ offset ];
+ this.targetObject.needsUpdate = true;
+
+ },
+
+ function setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {
+
+ this.targetObject[ this.propertyName ] = buffer[ offset ];
+ this.targetObject.matrixWorldNeedsUpdate = true;
+
+ }
+
+ ], [
+
+ // EntireArray
+
+ function setValue_array( buffer, offset ) {
+
+ var dest = this.resolvedProperty;
+
+ for ( var i = 0, n = dest.length; i !== n; ++ i ) {
+
+ dest[ i ] = buffer[ offset ++ ];
+
+ }
+
+ },
+
+ function setValue_array_setNeedsUpdate( buffer, offset ) {
+
+ var dest = this.resolvedProperty;
+
+ for ( var i = 0, n = dest.length; i !== n; ++ i ) {
+
+ dest[ i ] = buffer[ offset ++ ];
+
+ }
+
+ this.targetObject.needsUpdate = true;
+
+ },
+
+ function setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {
+
+ var dest = this.resolvedProperty;
+
+ for ( var i = 0, n = dest.length; i !== n; ++ i ) {
+
+ dest[ i ] = buffer[ offset ++ ];
+
+ }
+
+ this.targetObject.matrixWorldNeedsUpdate = true;
+
+ }
+
+ ], [
+
+ // ArrayElement
+
+ function setValue_arrayElement( buffer, offset ) {
+
+ this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];
+
+ },
+
+ function setValue_arrayElement_setNeedsUpdate( buffer, offset ) {
+
+ this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];
+ this.targetObject.needsUpdate = true;
+
+ },
+
+ function setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {
+
+ this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];
+ this.targetObject.matrixWorldNeedsUpdate = true;
+
+ }
+
+ ], [
+
+ // HasToFromArray
+
+ function setValue_fromArray( buffer, offset ) {
+
+ this.resolvedProperty.fromArray( buffer, offset );
+
+ },
+
+ function setValue_fromArray_setNeedsUpdate( buffer, offset ) {
+
+ this.resolvedProperty.fromArray( buffer, offset );
+ this.targetObject.needsUpdate = true;
+
+ },
+
+ function setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {
+
+ this.resolvedProperty.fromArray( buffer, offset );
+ this.targetObject.matrixWorldNeedsUpdate = true;
+
+ }
+
+ ]
+
+ ],
+
+ getValue: function getValue_unbound( targetArray, offset ) {
+
+ this.bind();
+ this.getValue( targetArray, offset );
+
+ // Note: This class uses a State pattern on a per-method basis:
+ // 'bind' sets 'this.getValue' / 'setValue' and shadows the
+ // prototype version of these methods with one that represents
+ // the bound state. When the property is not found, the methods
+ // become no-ops.
+
+ },
+
+ setValue: function getValue_unbound( sourceArray, offset ) {
+
+ this.bind();
+ this.setValue( sourceArray, offset );
+
+ },
+
+ // create getter / setter pair for a property in the scene graph
+ bind: function () {
+
+ var targetObject = this.node,
+ parsedPath = this.parsedPath,
+
+ objectName = parsedPath.objectName,
+ propertyName = parsedPath.propertyName,
+ propertyIndex = parsedPath.propertyIndex;
+
+ if ( ! targetObject ) {
+
+ targetObject = PropertyBinding.findNode( this.rootNode, parsedPath.nodeName ) || this.rootNode;
+
+ this.node = targetObject;
+
+ }
+
+ // set fail state so we can just 'return' on error
+ this.getValue = this._getValue_unavailable;
+ this.setValue = this._setValue_unavailable;
+
+ // ensure there is a value node
+ if ( ! targetObject ) {
+
+ console.error( 'THREE.PropertyBinding: Trying to update node for track: ' + this.path + ' but it wasn\'t found.' );
+ return;
+
+ }
+
+ if ( objectName ) {
+
+ var objectIndex = parsedPath.objectIndex;
+
+ // special cases were we need to reach deeper into the hierarchy to get the face materials....
+ switch ( objectName ) {
+
+ case 'materials':
+
+ if ( ! targetObject.material ) {
+
+ console.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this );
+ return;
+
+ }
+
+ if ( ! targetObject.material.materials ) {
+
+ console.error( 'THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.', this );
+ return;
+
+ }
+
+ targetObject = targetObject.material.materials;
+
+ break;
+
+ case 'bones':
+
+ if ( ! targetObject.skeleton ) {
+
+ console.error( 'THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.', this );
+ return;
+
+ }
+
+ // potential future optimization: skip this if propertyIndex is already an integer
+ // and convert the integer string to a true integer.
+
+ targetObject = targetObject.skeleton.bones;
+
+ // support resolving morphTarget names into indices.
+ for ( var i = 0; i < targetObject.length; i ++ ) {
+
+ if ( targetObject[ i ].name === objectIndex ) {
+
+ objectIndex = i;
+ break;
+
+ }
+
+ }
+
+ break;
+
+ default:
+
+ if ( targetObject[ objectName ] === undefined ) {
+
+ console.error( 'THREE.PropertyBinding: Can not bind to objectName of node undefined.', this );
+ return;
+
+ }
+
+ targetObject = targetObject[ objectName ];
+
+ }
+
+
+ if ( objectIndex !== undefined ) {
+
+ if ( targetObject[ objectIndex ] === undefined ) {
+
+ console.error( 'THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.', this, targetObject );
+ return;
+
+ }
+
+ targetObject = targetObject[ objectIndex ];
+
+ }
+
+ }
+
+ // resolve property
+ var nodeProperty = targetObject[ propertyName ];
+
+ if ( nodeProperty === undefined ) {
+
+ var nodeName = parsedPath.nodeName;
+
+ console.error( 'THREE.PropertyBinding: Trying to update property for track: ' + nodeName +
+ '.' + propertyName + ' but it wasn\'t found.', targetObject );
+ return;
+
+ }
+
+ // determine versioning scheme
+ var versioning = this.Versioning.None;
+
+ if ( targetObject.needsUpdate !== undefined ) { // material
+
+ versioning = this.Versioning.NeedsUpdate;
+ this.targetObject = targetObject;
+
+ } else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform
+
+ versioning = this.Versioning.MatrixWorldNeedsUpdate;
+ this.targetObject = targetObject;
+
+ }
+
+ // determine how the property gets bound
+ var bindingType = this.BindingType.Direct;
+
+ if ( propertyIndex !== undefined ) {
+
+ // access a sub element of the property array (only primitives are supported right now)
+
+ if ( propertyName === "morphTargetInfluences" ) {
+
+ // potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.
+
+ // support resolving morphTarget names into indices.
+ if ( ! targetObject.geometry ) {
+
+ console.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.', this );
+ return;
+
+ }
+
+ if ( targetObject.geometry.isBufferGeometry ) {
+
+ if ( ! targetObject.geometry.morphAttributes ) {
+
+ console.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.', this );
+ return;
+
+ }
+
+ for ( var i = 0; i < this.node.geometry.morphAttributes.position.length; i ++ ) {
+
+ if ( targetObject.geometry.morphAttributes.position[ i ].name === propertyIndex ) {
+
+ propertyIndex = i;
+ break;
+
+ }
+
+ }
+
+
+ } else {
+
+ if ( ! targetObject.geometry.morphTargets ) {
+
+ console.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphTargets.', this );
+ return;
+
+ }
+
+ for ( var i = 0; i < this.node.geometry.morphTargets.length; i ++ ) {
+
+ if ( targetObject.geometry.morphTargets[ i ].name === propertyIndex ) {
+
+ propertyIndex = i;
+ break;
+
+ }
+
+ }
+
+ }
+
+ }
+
+ bindingType = this.BindingType.ArrayElement;
+
+ this.resolvedProperty = nodeProperty;
+ this.propertyIndex = propertyIndex;
+
+ } else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {
+
+ // must use copy for Object3D.Euler/Quaternion
+
+ bindingType = this.BindingType.HasFromToArray;
+
+ this.resolvedProperty = nodeProperty;
+
+ } else if ( Array.isArray( nodeProperty ) ) {
+
+ bindingType = this.BindingType.EntireArray;
+
+ this.resolvedProperty = nodeProperty;
+
+ } else {
+
+ this.propertyName = propertyName;
+
+ }
+
+ // select getter / setter
+ this.getValue = this.GetterByBindingType[ bindingType ];
+ this.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];
+
+ },
+
+ unbind: function () {
+
+ this.node = null;
+
+ // back to the prototype version of getValue / setValue
+ // note: avoiding to mutate the shape of 'this' via 'delete'
+ this.getValue = this._getValue_unbound;
+ this.setValue = this._setValue_unbound;
+
+ }
+
+ } );
+
+ //!\ DECLARE ALIAS AFTER assign prototype !
+ Object.assign( PropertyBinding.prototype, {
+
+ // initial state of these methods that calls 'bind'
+ _getValue_unbound: PropertyBinding.prototype.getValue,
+ _setValue_unbound: PropertyBinding.prototype.setValue,
+
+ } );
+
+ /**
+ *
+ * A group of objects that receives a shared animation state.
+ *
+ * Usage:
+ *
+ * - Add objects you would otherwise pass as 'root' to the
+ * constructor or the .clipAction method of AnimationMixer.
+ *
+ * - Instead pass this object as 'root'.
+ *
+ * - You can also add and remove objects later when the mixer
+ * is running.
+ *
+ * Note:
+ *
+ * Objects of this class appear as one object to the mixer,
+ * so cache control of the individual objects must be done
+ * on the group.
+ *
+ * Limitation:
+ *
+ * - The animated properties must be compatible among the
+ * all objects in the group.
+ *
+ * - A single property can either be controlled through a
+ * target group or directly, but not both.
+ *
+ * @author tschw
+ */
+
+ function AnimationObjectGroup() {
+
+ this.uuid = _Math.generateUUID();
+
+ // cached objects followed by the active ones
+ this._objects = Array.prototype.slice.call( arguments );
+
+ this.nCachedObjects_ = 0; // threshold
+ // note: read by PropertyBinding.Composite
+
+ var indices = {};
+ this._indicesByUUID = indices; // for bookkeeping
+
+ for ( var i = 0, n = arguments.length; i !== n; ++ i ) {
+
+ indices[ arguments[ i ].uuid ] = i;
+
+ }
+
+ this._paths = []; // inside: string
+ this._parsedPaths = []; // inside: { we don't care, here }
+ this._bindings = []; // inside: Array< PropertyBinding >
+ this._bindingsIndicesByPath = {}; // inside: indices in these arrays
+
+ var scope = this;
+
+ this.stats = {
+
+ objects: {
+ get total() {
+
+ return scope._objects.length;
+
+ },
+ get inUse() {
+
+ return this.total - scope.nCachedObjects_;
+
+ }
+ },
+ get bindingsPerObject() {
+
+ return scope._bindings.length;
+
+ }
+
+ };
+
+ }
+
+ Object.assign( AnimationObjectGroup.prototype, {
+
+ isAnimationObjectGroup: true,
+
+ add: function () {
+
+ var objects = this._objects,
+ nObjects = objects.length,
+ nCachedObjects = this.nCachedObjects_,
+ indicesByUUID = this._indicesByUUID,
+ paths = this._paths,
+ parsedPaths = this._parsedPaths,
+ bindings = this._bindings,
+ nBindings = bindings.length;
+
+ for ( var i = 0, n = arguments.length; i !== n; ++ i ) {
+
+ var object = arguments[ i ],
+ uuid = object.uuid,
+ index = indicesByUUID[ uuid ],
+ knownObject = undefined;
+
+ if ( index === undefined ) {
+
+ // unknown object -> add it to the ACTIVE region
+
+ index = nObjects ++;
+ indicesByUUID[ uuid ] = index;
+ objects.push( object );
+
+ // accounting is done, now do the same for all bindings
+
+ for ( var j = 0, m = nBindings; j !== m; ++ j ) {
+
+ bindings[ j ].push( new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ) );
+
+ }
+
+ } else if ( index < nCachedObjects ) {
+
+ knownObject = objects[ index ];
+
+ // move existing object to the ACTIVE region
+
+ var firstActiveIndex = -- nCachedObjects,
+ lastCachedObject = objects[ firstActiveIndex ];
+
+ indicesByUUID[ lastCachedObject.uuid ] = index;
+ objects[ index ] = lastCachedObject;
+
+ indicesByUUID[ uuid ] = firstActiveIndex;
+ objects[ firstActiveIndex ] = object;
+
+ // accounting is done, now do the same for all bindings
+
+ for ( var j = 0, m = nBindings; j !== m; ++ j ) {
+
+ var bindingsForPath = bindings[ j ],
+ lastCached = bindingsForPath[ firstActiveIndex ],
+ binding = bindingsForPath[ index ];
+
+ bindingsForPath[ index ] = lastCached;
+
+ if ( binding === undefined ) {
+
+ // since we do not bother to create new bindings
+ // for objects that are cached, the binding may
+ // or may not exist
+
+ binding = new PropertyBinding( object, paths[ j ], parsedPaths[ j ] );
+
+ }
+
+ bindingsForPath[ firstActiveIndex ] = binding;
+
+ }
+
+ } else if ( objects[ index ] !== knownObject ) {
+
+ console.error( 'THREE.AnimationObjectGroup: Different objects with the same UUID ' +
+ 'detected. Clean the caches or recreate your infrastructure when reloading scenes.' );
+
+ } // else the object is already where we want it to be
+
+ } // for arguments
+
+ this.nCachedObjects_ = nCachedObjects;
+
+ },
+
+ remove: function () {
+
+ var objects = this._objects,
+ nCachedObjects = this.nCachedObjects_,
+ indicesByUUID = this._indicesByUUID,
+ bindings = this._bindings,
+ nBindings = bindings.length;
+
+ for ( var i = 0, n = arguments.length; i !== n; ++ i ) {
+
+ var object = arguments[ i ],
+ uuid = object.uuid,
+ index = indicesByUUID[ uuid ];
+
+ if ( index !== undefined && index >= nCachedObjects ) {
+
+ // move existing object into the CACHED region
+
+ var lastCachedIndex = nCachedObjects ++,
+ firstActiveObject = objects[ lastCachedIndex ];
+
+ indicesByUUID[ firstActiveObject.uuid ] = index;
+ objects[ index ] = firstActiveObject;
+
+ indicesByUUID[ uuid ] = lastCachedIndex;
+ objects[ lastCachedIndex ] = object;
+
+ // accounting is done, now do the same for all bindings
+
+ for ( var j = 0, m = nBindings; j !== m; ++ j ) {
+
+ var bindingsForPath = bindings[ j ],
+ firstActive = bindingsForPath[ lastCachedIndex ],
+ binding = bindingsForPath[ index ];
+
+ bindingsForPath[ index ] = firstActive;
+ bindingsForPath[ lastCachedIndex ] = binding;
+
+ }
+
+ }
+
+ } // for arguments
+
+ this.nCachedObjects_ = nCachedObjects;
+
+ },
+
+ // remove & forget
+ uncache: function () {
+
+ var objects = this._objects,
+ nObjects = objects.length,
+ nCachedObjects = this.nCachedObjects_,
+ indicesByUUID = this._indicesByUUID,
+ bindings = this._bindings,
+ nBindings = bindings.length;
+
+ for ( var i = 0, n = arguments.length; i !== n; ++ i ) {
+
+ var object = arguments[ i ],
+ uuid = object.uuid,
+ index = indicesByUUID[ uuid ];
+
+ if ( index !== undefined ) {
+
+ delete indicesByUUID[ uuid ];
+
+ if ( index < nCachedObjects ) {
+
+ // object is cached, shrink the CACHED region
+
+ var firstActiveIndex = -- nCachedObjects,
+ lastCachedObject = objects[ firstActiveIndex ],
+ lastIndex = -- nObjects,
+ lastObject = objects[ lastIndex ];
+
+ // last cached object takes this object's place
+ indicesByUUID[ lastCachedObject.uuid ] = index;
+ objects[ index ] = lastCachedObject;
+
+ // last object goes to the activated slot and pop
+ indicesByUUID[ lastObject.uuid ] = firstActiveIndex;
+ objects[ firstActiveIndex ] = lastObject;
+ objects.pop();
+
+ // accounting is done, now do the same for all bindings
+
+ for ( var j = 0, m = nBindings; j !== m; ++ j ) {
+
+ var bindingsForPath = bindings[ j ],
+ lastCached = bindingsForPath[ firstActiveIndex ],
+ last = bindingsForPath[ lastIndex ];
+
+ bindingsForPath[ index ] = lastCached;
+ bindingsForPath[ firstActiveIndex ] = last;
+ bindingsForPath.pop();
+
+ }
+
+ } else {
+
+ // object is active, just swap with the last and pop
+
+ var lastIndex = -- nObjects,
+ lastObject = objects[ lastIndex ];
+
+ indicesByUUID[ lastObject.uuid ] = index;
+ objects[ index ] = lastObject;
+ objects.pop();
+
+ // accounting is done, now do the same for all bindings
+
+ for ( var j = 0, m = nBindings; j !== m; ++ j ) {
+
+ var bindingsForPath = bindings[ j ];
+
+ bindingsForPath[ index ] = bindingsForPath[ lastIndex ];
+ bindingsForPath.pop();
+
+ }
+
+ } // cached or active
+
+ } // if object is known
+
+ } // for arguments
+
+ this.nCachedObjects_ = nCachedObjects;
+
+ },
+
+ // Internal interface used by befriended PropertyBinding.Composite:
+
+ subscribe_: function ( path, parsedPath ) {
+
+ // returns an array of bindings for the given path that is changed
+ // according to the contained objects in the group
+
+ var indicesByPath = this._bindingsIndicesByPath,
+ index = indicesByPath[ path ],
+ bindings = this._bindings;
+
+ if ( index !== undefined ) return bindings[ index ];
+
+ var paths = this._paths,
+ parsedPaths = this._parsedPaths,
+ objects = this._objects,
+ nObjects = objects.length,
+ nCachedObjects = this.nCachedObjects_,
+ bindingsForPath = new Array( nObjects );
+
+ index = bindings.length;
+
+ indicesByPath[ path ] = index;
+
+ paths.push( path );
+ parsedPaths.push( parsedPath );
+ bindings.push( bindingsForPath );
+
+ for ( var i = nCachedObjects, n = objects.length; i !== n; ++ i ) {
+
+ var object = objects[ i ];
+ bindingsForPath[ i ] = new PropertyBinding( object, path, parsedPath );
+
+ }
+
+ return bindingsForPath;
+
+ },
+
+ unsubscribe_: function ( path ) {
+
+ // tells the group to forget about a property path and no longer
+ // update the array previously obtained with 'subscribe_'
+
+ var indicesByPath = this._bindingsIndicesByPath,
+ index = indicesByPath[ path ];
+
+ if ( index !== undefined ) {
+
+ var paths = this._paths,
+ parsedPaths = this._parsedPaths,
+ bindings = this._bindings,
+ lastBindingsIndex = bindings.length - 1,
+ lastBindings = bindings[ lastBindingsIndex ],
+ lastBindingsPath = path[ lastBindingsIndex ];
+
+ indicesByPath[ lastBindingsPath ] = index;
+
+ bindings[ index ] = lastBindings;
+ bindings.pop();
+
+ parsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];
+ parsedPaths.pop();
+
+ paths[ index ] = paths[ lastBindingsIndex ];
+ paths.pop();
+
+ }
+
+ }
+
+ } );
+
+ /**
+ *
+ * Action provided by AnimationMixer for scheduling clip playback on specific
+ * objects.
+ *
+ * @author Ben Houston / http://clara.io/
+ * @author David Sarno / http://lighthaus.us/
+ * @author tschw
+ *
+ */
+
+ function AnimationAction( mixer, clip, localRoot ) {
+
+ this._mixer = mixer;
+ this._clip = clip;
+ this._localRoot = localRoot || null;
+
+ var tracks = clip.tracks,
+ nTracks = tracks.length,
+ interpolants = new Array( nTracks );
+
+ var interpolantSettings = {
+ endingStart: ZeroCurvatureEnding,
+ endingEnd: ZeroCurvatureEnding
+ };
+
+ for ( var i = 0; i !== nTracks; ++ i ) {
+
+ var interpolant = tracks[ i ].createInterpolant( null );
+ interpolants[ i ] = interpolant;
+ interpolant.settings = interpolantSettings;
+
+ }
+
+ this._interpolantSettings = interpolantSettings;
+
+ this._interpolants = interpolants; // bound by the mixer
+
+ // inside: PropertyMixer (managed by the mixer)
+ this._propertyBindings = new Array( nTracks );
+
+ this._cacheIndex = null; // for the memory manager
+ this._byClipCacheIndex = null; // for the memory manager
+
+ this._timeScaleInterpolant = null;
+ this._weightInterpolant = null;
+
+ this.loop = LoopRepeat;
+ this._loopCount = - 1;
+
+ // global mixer time when the action is to be started
+ // it's set back to 'null' upon start of the action
+ this._startTime = null;
+
+ // scaled local time of the action
+ // gets clamped or wrapped to 0..clip.duration according to loop
+ this.time = 0;
+
+ this.timeScale = 1;
+ this._effectiveTimeScale = 1;
+
+ this.weight = 1;
+ this._effectiveWeight = 1;
+
+ this.repetitions = Infinity; // no. of repetitions when looping
+
+ this.paused = false; // true -> zero effective time scale
+ this.enabled = true; // false -> zero effective weight
+
+ this.clampWhenFinished = false; // keep feeding the last frame?
+
+ this.zeroSlopeAtStart = true; // for smooth interpolation w/o separate
+ this.zeroSlopeAtEnd = true; // clips for start, loop and end
+
+ }
+
+ Object.assign( AnimationAction.prototype, {
+
+ // State & Scheduling
+
+ play: function () {
+
+ this._mixer._activateAction( this );
+
+ return this;
+
+ },
+
+ stop: function () {
+
+ this._mixer._deactivateAction( this );
+
+ return this.reset();
+
+ },
+
+ reset: function () {
+
+ this.paused = false;
+ this.enabled = true;
+
+ this.time = 0; // restart clip
+ this._loopCount = - 1; // forget previous loops
+ this._startTime = null; // forget scheduling
+
+ return this.stopFading().stopWarping();
+
+ },
+
+ isRunning: function () {
+
+ return this.enabled && ! this.paused && this.timeScale !== 0 &&
+ this._startTime === null && this._mixer._isActiveAction( this );
+
+ },
+
+ // return true when play has been called
+ isScheduled: function () {
+
+ return this._mixer._isActiveAction( this );
+
+ },
+
+ startAt: function ( time ) {
+
+ this._startTime = time;
+
+ return this;
+
+ },
+
+ setLoop: function ( mode, repetitions ) {
+
+ this.loop = mode;
+ this.repetitions = repetitions;
+
+ return this;
+
+ },
+
+ // Weight
+
+ // set the weight stopping any scheduled fading
+ // although .enabled = false yields an effective weight of zero, this
+ // method does *not* change .enabled, because it would be confusing
+ setEffectiveWeight: function ( weight ) {
+
+ this.weight = weight;
+
+ // note: same logic as when updated at runtime
+ this._effectiveWeight = this.enabled ? weight : 0;
+
+ return this.stopFading();
+
+ },
+
+ // return the weight considering fading and .enabled
+ getEffectiveWeight: function () {
+
+ return this._effectiveWeight;
+
+ },
+
+ fadeIn: function ( duration ) {
+
+ return this._scheduleFading( duration, 0, 1 );
+
+ },
+
+ fadeOut: function ( duration ) {
+
+ return this._scheduleFading( duration, 1, 0 );
+
+ },
+
+ crossFadeFrom: function ( fadeOutAction, duration, warp ) {
+
+ fadeOutAction.fadeOut( duration );
+ this.fadeIn( duration );
+
+ if ( warp ) {
+
+ var fadeInDuration = this._clip.duration,
+ fadeOutDuration = fadeOutAction._clip.duration,
+
+ startEndRatio = fadeOutDuration / fadeInDuration,
+ endStartRatio = fadeInDuration / fadeOutDuration;
+
+ fadeOutAction.warp( 1.0, startEndRatio, duration );
+ this.warp( endStartRatio, 1.0, duration );
+
+ }
+
+ return this;
+
+ },
+
+ crossFadeTo: function ( fadeInAction, duration, warp ) {
+
+ return fadeInAction.crossFadeFrom( this, duration, warp );
+
+ },
+
+ stopFading: function () {
+
+ var weightInterpolant = this._weightInterpolant;
+
+ if ( weightInterpolant !== null ) {
+
+ this._weightInterpolant = null;
+ this._mixer._takeBackControlInterpolant( weightInterpolant );
+
+ }
+
+ return this;
+
+ },
+
+ // Time Scale Control
+
+ // set the time scale stopping any scheduled warping
+ // although .paused = true yields an effective time scale of zero, this
+ // method does *not* change .paused, because it would be confusing
+ setEffectiveTimeScale: function ( timeScale ) {
+
+ this.timeScale = timeScale;
+ this._effectiveTimeScale = this.paused ? 0 : timeScale;
+
+ return this.stopWarping();
+
+ },
+
+ // return the time scale considering warping and .paused
+ getEffectiveTimeScale: function () {
+
+ return this._effectiveTimeScale;
+
+ },
+
+ setDuration: function ( duration ) {
+
+ this.timeScale = this._clip.duration / duration;
+
+ return this.stopWarping();
+
+ },
+
+ syncWith: function ( action ) {
+
+ this.time = action.time;
+ this.timeScale = action.timeScale;
+
+ return this.stopWarping();
+
+ },
+
+ halt: function ( duration ) {
+
+ return this.warp( this._effectiveTimeScale, 0, duration );
+
+ },
+
+ warp: function ( startTimeScale, endTimeScale, duration ) {
+
+ var mixer = this._mixer, now = mixer.time,
+ interpolant = this._timeScaleInterpolant,
+
+ timeScale = this.timeScale;
+
+ if ( interpolant === null ) {
+
+ interpolant = mixer._lendControlInterpolant();
+ this._timeScaleInterpolant = interpolant;
+
+ }
+
+ var times = interpolant.parameterPositions,
+ values = interpolant.sampleValues;
+
+ times[ 0 ] = now;
+ times[ 1 ] = now + duration;
+
+ values[ 0 ] = startTimeScale / timeScale;
+ values[ 1 ] = endTimeScale / timeScale;
+
+ return this;
+
+ },
+
+ stopWarping: function () {
+
+ var timeScaleInterpolant = this._timeScaleInterpolant;
+
+ if ( timeScaleInterpolant !== null ) {
+
+ this._timeScaleInterpolant = null;
+ this._mixer._takeBackControlInterpolant( timeScaleInterpolant );
+
+ }
+
+ return this;
+
+ },
+
+ // Object Accessors
+
+ getMixer: function () {
+
+ return this._mixer;
+
+ },
+
+ getClip: function () {
+
+ return this._clip;
+
+ },
+
+ getRoot: function () {
+
+ return this._localRoot || this._mixer._root;
+
+ },
+
+ // Interna
+
+ _update: function ( time, deltaTime, timeDirection, accuIndex ) {
+
+ // called by the mixer
+
+ if ( ! this.enabled ) {
+
+ // call ._updateWeight() to update ._effectiveWeight
+
+ this._updateWeight( time );
+ return;
+
+ }
+
+ var startTime = this._startTime;
+
+ if ( startTime !== null ) {
+
+ // check for scheduled start of action
+
+ var timeRunning = ( time - startTime ) * timeDirection;
+ if ( timeRunning < 0 || timeDirection === 0 ) {
+
+ return; // yet to come / don't decide when delta = 0
+
+ }
+
+ // start
+
+ this._startTime = null; // unschedule
+ deltaTime = timeDirection * timeRunning;
+
+ }
+
+ // apply time scale and advance time
+
+ deltaTime *= this._updateTimeScale( time );
+ var clipTime = this._updateTime( deltaTime );
+
+ // note: _updateTime may disable the action resulting in
+ // an effective weight of 0
+
+ var weight = this._updateWeight( time );
+
+ if ( weight > 0 ) {
+
+ var interpolants = this._interpolants;
+ var propertyMixers = this._propertyBindings;
+
+ for ( var j = 0, m = interpolants.length; j !== m; ++ j ) {
+
+ interpolants[ j ].evaluate( clipTime );
+ propertyMixers[ j ].accumulate( accuIndex, weight );
+
+ }
+
+ }
+
+ },
+
+ _updateWeight: function ( time ) {
+
+ var weight = 0;
+
+ if ( this.enabled ) {
+
+ weight = this.weight;
+ var interpolant = this._weightInterpolant;
+
+ if ( interpolant !== null ) {
+
+ var interpolantValue = interpolant.evaluate( time )[ 0 ];
+
+ weight *= interpolantValue;
+
+ if ( time > interpolant.parameterPositions[ 1 ] ) {
+
+ this.stopFading();
+
+ if ( interpolantValue === 0 ) {
+
+ // faded out, disable
+ this.enabled = false;
+
+ }
+
+ }
+
+ }
+
+ }
+
+ this._effectiveWeight = weight;
+ return weight;
+
+ },
+
+ _updateTimeScale: function ( time ) {
+
+ var timeScale = 0;
+
+ if ( ! this.paused ) {
+
+ timeScale = this.timeScale;
+
+ var interpolant = this._timeScaleInterpolant;
+
+ if ( interpolant !== null ) {
+
+ var interpolantValue = interpolant.evaluate( time )[ 0 ];
+
+ timeScale *= interpolantValue;
+
+ if ( time > interpolant.parameterPositions[ 1 ] ) {
+
+ this.stopWarping();
+
+ if ( timeScale === 0 ) {
+
+ // motion has halted, pause
+ this.paused = true;
+
+ } else {
+
+ // warp done - apply final time scale
+ this.timeScale = timeScale;
+
+ }
+
+ }
+
+ }
+
+ }
+
+ this._effectiveTimeScale = timeScale;
+ return timeScale;
+
+ },
+
+ _updateTime: function ( deltaTime ) {
+
+ var time = this.time + deltaTime;
+
+ if ( deltaTime === 0 ) return time;
+
+ var duration = this._clip.duration,
+
+ loop = this.loop,
+ loopCount = this._loopCount;
+
+ if ( loop === LoopOnce ) {
+
+ if ( loopCount === - 1 ) {
+
+ // just started
+
+ this._loopCount = 0;
+ this._setEndings( true, true, false );
+
+ }
+
+ handle_stop: {
+
+ if ( time >= duration ) {
+
+ time = duration;
+
+ } else if ( time < 0 ) {
+
+ time = 0;
+
+ } else break handle_stop;
+
+ if ( this.clampWhenFinished ) this.paused = true;
+ else this.enabled = false;
+
+ this._mixer.dispatchEvent( {
+ type: 'finished', action: this,
+ direction: deltaTime < 0 ? - 1 : 1
+ } );
+
+ }
+
+ } else { // repetitive Repeat or PingPong
+
+ var pingPong = ( loop === LoopPingPong );
+
+ if ( loopCount === - 1 ) {
+
+ // just started
+
+ if ( deltaTime >= 0 ) {
+
+ loopCount = 0;
+
+ this._setEndings( true, this.repetitions === 0, pingPong );
+
+ } else {
+
+ // when looping in reverse direction, the initial
+ // transition through zero counts as a repetition,
+ // so leave loopCount at -1
+
+ this._setEndings( this.repetitions === 0, true, pingPong );
+
+ }
+
+ }
+
+ if ( time >= duration || time < 0 ) {
+
+ // wrap around
+
+ var loopDelta = Math.floor( time / duration ); // signed
+ time -= duration * loopDelta;
+
+ loopCount += Math.abs( loopDelta );
+
+ var pending = this.repetitions - loopCount;
+
+ if ( pending < 0 ) {
+
+ // have to stop (switch state, clamp time, fire event)
+
+ if ( this.clampWhenFinished ) this.paused = true;
+ else this.enabled = false;
+
+ time = deltaTime > 0 ? duration : 0;
+
+ this._mixer.dispatchEvent( {
+ type: 'finished', action: this,
+ direction: deltaTime > 0 ? 1 : - 1
+ } );
+
+ } else {
+
+ // keep running
+
+ if ( pending === 0 ) {
+
+ // entering the last round
+
+ var atStart = deltaTime < 0;
+ this._setEndings( atStart, ! atStart, pingPong );
+
+ } else {
+
+ this._setEndings( false, false, pingPong );
+
+ }
+
+ this._loopCount = loopCount;
+
+ this._mixer.dispatchEvent( {
+ type: 'loop', action: this, loopDelta: loopDelta
+ } );
+
+ }
+
+ }
+
+ if ( pingPong && ( loopCount & 1 ) === 1 ) {
+
+ // invert time for the "pong round"
+
+ this.time = time;
+ return duration - time;
+
+ }
+
+ }
+
+ this.time = time;
+ return time;
+
+ },
+
+ _setEndings: function ( atStart, atEnd, pingPong ) {
+
+ var settings = this._interpolantSettings;
+
+ if ( pingPong ) {
+
+ settings.endingStart = ZeroSlopeEnding;
+ settings.endingEnd = ZeroSlopeEnding;
+
+ } else {
+
+ // assuming for LoopOnce atStart == atEnd == true
+
+ if ( atStart ) {
+
+ settings.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding;
+
+ } else {
+
+ settings.endingStart = WrapAroundEnding;
+
+ }
+
+ if ( atEnd ) {
+
+ settings.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding;
+
+ } else {
+
+ settings.endingEnd = WrapAroundEnding;
+
+ }
+
+ }
+
+ },
+
+ _scheduleFading: function ( duration, weightNow, weightThen ) {
+
+ var mixer = this._mixer, now = mixer.time,
+ interpolant = this._weightInterpolant;
+
+ if ( interpolant === null ) {
+
+ interpolant = mixer._lendControlInterpolant();
+ this._weightInterpolant = interpolant;
+
+ }
+
+ var times = interpolant.parameterPositions,
+ values = interpolant.sampleValues;
+
+ times[ 0 ] = now; values[ 0 ] = weightNow;
+ times[ 1 ] = now + duration; values[ 1 ] = weightThen;
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ *
+ * Player for AnimationClips.
+ *
+ *
+ * @author Ben Houston / http://clara.io/
+ * @author David Sarno / http://lighthaus.us/
+ * @author tschw
+ */
+
+ function AnimationMixer( root ) {
+
+ this._root = root;
+ this._initMemoryManager();
+ this._accuIndex = 0;
+
+ this.time = 0;
+
+ this.timeScale = 1.0;
+
+ }
+
+ AnimationMixer.prototype = Object.assign( Object.create( EventDispatcher.prototype ), {
+
+ constructor: AnimationMixer,
+
+ _bindAction: function ( action, prototypeAction ) {
+
+ var root = action._localRoot || this._root,
+ tracks = action._clip.tracks,
+ nTracks = tracks.length,
+ bindings = action._propertyBindings,
+ interpolants = action._interpolants,
+ rootUuid = root.uuid,
+ bindingsByRoot = this._bindingsByRootAndName,
+ bindingsByName = bindingsByRoot[ rootUuid ];
+
+ if ( bindingsByName === undefined ) {
+
+ bindingsByName = {};
+ bindingsByRoot[ rootUuid ] = bindingsByName;
+
+ }
+
+ for ( var i = 0; i !== nTracks; ++ i ) {
+
+ var track = tracks[ i ],
+ trackName = track.name,
+ binding = bindingsByName[ trackName ];
+
+ if ( binding !== undefined ) {
+
+ bindings[ i ] = binding;
+
+ } else {
+
+ binding = bindings[ i ];
+
+ if ( binding !== undefined ) {
+
+ // existing binding, make sure the cache knows
+
+ if ( binding._cacheIndex === null ) {
+
+ ++ binding.referenceCount;
+ this._addInactiveBinding( binding, rootUuid, trackName );
+
+ }
+
+ continue;
+
+ }
+
+ var path = prototypeAction && prototypeAction.
+ _propertyBindings[ i ].binding.parsedPath;
+
+ binding = new PropertyMixer(
+ PropertyBinding.create( root, trackName, path ),
+ track.ValueTypeName, track.getValueSize() );
+
+ ++ binding.referenceCount;
+ this._addInactiveBinding( binding, rootUuid, trackName );
+
+ bindings[ i ] = binding;
+
+ }
+
+ interpolants[ i ].resultBuffer = binding.buffer;
+
+ }
+
+ },
+
+ _activateAction: function ( action ) {
+
+ if ( ! this._isActiveAction( action ) ) {
+
+ if ( action._cacheIndex === null ) {
+
+ // this action has been forgotten by the cache, but the user
+ // appears to be still using it -> rebind
+
+ var rootUuid = ( action._localRoot || this._root ).uuid,
+ clipUuid = action._clip.uuid,
+ actionsForClip = this._actionsByClip[ clipUuid ];
+
+ this._bindAction( action,
+ actionsForClip && actionsForClip.knownActions[ 0 ] );
+
+ this._addInactiveAction( action, clipUuid, rootUuid );
+
+ }
+
+ var bindings = action._propertyBindings;
+
+ // increment reference counts / sort out state
+ for ( var i = 0, n = bindings.length; i !== n; ++ i ) {
+
+ var binding = bindings[ i ];
+
+ if ( binding.useCount ++ === 0 ) {
+
+ this._lendBinding( binding );
+ binding.saveOriginalState();
+
+ }
+
+ }
+
+ this._lendAction( action );
+
+ }
+
+ },
+
+ _deactivateAction: function ( action ) {
+
+ if ( this._isActiveAction( action ) ) {
+
+ var bindings = action._propertyBindings;
+
+ // decrement reference counts / sort out state
+ for ( var i = 0, n = bindings.length; i !== n; ++ i ) {
+
+ var binding = bindings[ i ];
+
+ if ( -- binding.useCount === 0 ) {
+
+ binding.restoreOriginalState();
+ this._takeBackBinding( binding );
+
+ }
+
+ }
+
+ this._takeBackAction( action );
+
+ }
+
+ },
+
+ // Memory manager
+
+ _initMemoryManager: function () {
+
+ this._actions = []; // 'nActiveActions' followed by inactive ones
+ this._nActiveActions = 0;
+
+ this._actionsByClip = {};
+ // inside:
+ // {
+ // knownActions: Array< AnimationAction > - used as prototypes
+ // actionByRoot: AnimationAction - lookup
+ // }
+
+
+ this._bindings = []; // 'nActiveBindings' followed by inactive ones
+ this._nActiveBindings = 0;
+
+ this._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >
+
+
+ this._controlInterpolants = []; // same game as above
+ this._nActiveControlInterpolants = 0;
+
+ var scope = this;
+
+ this.stats = {
+
+ actions: {
+ get total() {
+
+ return scope._actions.length;
+
+ },
+ get inUse() {
+
+ return scope._nActiveActions;
+
+ }
+ },
+ bindings: {
+ get total() {
+
+ return scope._bindings.length;
+
+ },
+ get inUse() {
+
+ return scope._nActiveBindings;
+
+ }
+ },
+ controlInterpolants: {
+ get total() {
+
+ return scope._controlInterpolants.length;
+
+ },
+ get inUse() {
+
+ return scope._nActiveControlInterpolants;
+
+ }
+ }
+
+ };
+
+ },
+
+ // Memory management for AnimationAction objects
+
+ _isActiveAction: function ( action ) {
+
+ var index = action._cacheIndex;
+ return index !== null && index < this._nActiveActions;
+
+ },
+
+ _addInactiveAction: function ( action, clipUuid, rootUuid ) {
+
+ var actions = this._actions,
+ actionsByClip = this._actionsByClip,
+ actionsForClip = actionsByClip[ clipUuid ];
+
+ if ( actionsForClip === undefined ) {
+
+ actionsForClip = {
+
+ knownActions: [ action ],
+ actionByRoot: {}
+
+ };
+
+ action._byClipCacheIndex = 0;
+
+ actionsByClip[ clipUuid ] = actionsForClip;
+
+ } else {
+
+ var knownActions = actionsForClip.knownActions;
+
+ action._byClipCacheIndex = knownActions.length;
+ knownActions.push( action );
+
+ }
+
+ action._cacheIndex = actions.length;
+ actions.push( action );
+
+ actionsForClip.actionByRoot[ rootUuid ] = action;
+
+ },
+
+ _removeInactiveAction: function ( action ) {
+
+ var actions = this._actions,
+ lastInactiveAction = actions[ actions.length - 1 ],
+ cacheIndex = action._cacheIndex;
+
+ lastInactiveAction._cacheIndex = cacheIndex;
+ actions[ cacheIndex ] = lastInactiveAction;
+ actions.pop();
+
+ action._cacheIndex = null;
+
+
+ var clipUuid = action._clip.uuid,
+ actionsByClip = this._actionsByClip,
+ actionsForClip = actionsByClip[ clipUuid ],
+ knownActionsForClip = actionsForClip.knownActions,
+
+ lastKnownAction =
+ knownActionsForClip[ knownActionsForClip.length - 1 ],
+
+ byClipCacheIndex = action._byClipCacheIndex;
+
+ lastKnownAction._byClipCacheIndex = byClipCacheIndex;
+ knownActionsForClip[ byClipCacheIndex ] = lastKnownAction;
+ knownActionsForClip.pop();
+
+ action._byClipCacheIndex = null;
+
+
+ var actionByRoot = actionsForClip.actionByRoot,
+ rootUuid = ( action._localRoot || this._root ).uuid;
+
+ delete actionByRoot[ rootUuid ];
+
+ if ( knownActionsForClip.length === 0 ) {
+
+ delete actionsByClip[ clipUuid ];
+
+ }
+
+ this._removeInactiveBindingsForAction( action );
+
+ },
+
+ _removeInactiveBindingsForAction: function ( action ) {
+
+ var bindings = action._propertyBindings;
+ for ( var i = 0, n = bindings.length; i !== n; ++ i ) {
+
+ var binding = bindings[ i ];
+
+ if ( -- binding.referenceCount === 0 ) {
+
+ this._removeInactiveBinding( binding );
+
+ }
+
+ }
+
+ },
+
+ _lendAction: function ( action ) {
+
+ // [ active actions | inactive actions ]
+ // [ active actions >| inactive actions ]
+ // s a
+ // <-swap->
+ // a s
+
+ var actions = this._actions,
+ prevIndex = action._cacheIndex,
+
+ lastActiveIndex = this._nActiveActions ++,
+
+ firstInactiveAction = actions[ lastActiveIndex ];
+
+ action._cacheIndex = lastActiveIndex;
+ actions[ lastActiveIndex ] = action;
+
+ firstInactiveAction._cacheIndex = prevIndex;
+ actions[ prevIndex ] = firstInactiveAction;
+
+ },
+
+ _takeBackAction: function ( action ) {
+
+ // [ active actions | inactive actions ]
+ // [ active actions |< inactive actions ]
+ // a s
+ // <-swap->
+ // s a
+
+ var actions = this._actions,
+ prevIndex = action._cacheIndex,
+
+ firstInactiveIndex = -- this._nActiveActions,
+
+ lastActiveAction = actions[ firstInactiveIndex ];
+
+ action._cacheIndex = firstInactiveIndex;
+ actions[ firstInactiveIndex ] = action;
+
+ lastActiveAction._cacheIndex = prevIndex;
+ actions[ prevIndex ] = lastActiveAction;
+
+ },
+
+ // Memory management for PropertyMixer objects
+
+ _addInactiveBinding: function ( binding, rootUuid, trackName ) {
+
+ var bindingsByRoot = this._bindingsByRootAndName,
+ bindingByName = bindingsByRoot[ rootUuid ],
+
+ bindings = this._bindings;
+
+ if ( bindingByName === undefined ) {
+
+ bindingByName = {};
+ bindingsByRoot[ rootUuid ] = bindingByName;
+
+ }
+
+ bindingByName[ trackName ] = binding;
+
+ binding._cacheIndex = bindings.length;
+ bindings.push( binding );
+
+ },
+
+ _removeInactiveBinding: function ( binding ) {
+
+ var bindings = this._bindings,
+ propBinding = binding.binding,
+ rootUuid = propBinding.rootNode.uuid,
+ trackName = propBinding.path,
+ bindingsByRoot = this._bindingsByRootAndName,
+ bindingByName = bindingsByRoot[ rootUuid ],
+
+ lastInactiveBinding = bindings[ bindings.length - 1 ],
+ cacheIndex = binding._cacheIndex;
+
+ lastInactiveBinding._cacheIndex = cacheIndex;
+ bindings[ cacheIndex ] = lastInactiveBinding;
+ bindings.pop();
+
+ delete bindingByName[ trackName ];
+
+ remove_empty_map: {
+
+ for ( var _ in bindingByName ) break remove_empty_map; // eslint-disable-line no-unused-vars
+
+ delete bindingsByRoot[ rootUuid ];
+
+ }
+
+ },
+
+ _lendBinding: function ( binding ) {
+
+ var bindings = this._bindings,
+ prevIndex = binding._cacheIndex,
+
+ lastActiveIndex = this._nActiveBindings ++,
+
+ firstInactiveBinding = bindings[ lastActiveIndex ];
+
+ binding._cacheIndex = lastActiveIndex;
+ bindings[ lastActiveIndex ] = binding;
+
+ firstInactiveBinding._cacheIndex = prevIndex;
+ bindings[ prevIndex ] = firstInactiveBinding;
+
+ },
+
+ _takeBackBinding: function ( binding ) {
+
+ var bindings = this._bindings,
+ prevIndex = binding._cacheIndex,
+
+ firstInactiveIndex = -- this._nActiveBindings,
+
+ lastActiveBinding = bindings[ firstInactiveIndex ];
+
+ binding._cacheIndex = firstInactiveIndex;
+ bindings[ firstInactiveIndex ] = binding;
+
+ lastActiveBinding._cacheIndex = prevIndex;
+ bindings[ prevIndex ] = lastActiveBinding;
+
+ },
+
+
+ // Memory management of Interpolants for weight and time scale
+
+ _lendControlInterpolant: function () {
+
+ var interpolants = this._controlInterpolants,
+ lastActiveIndex = this._nActiveControlInterpolants ++,
+ interpolant = interpolants[ lastActiveIndex ];
+
+ if ( interpolant === undefined ) {
+
+ interpolant = new LinearInterpolant(
+ new Float32Array( 2 ), new Float32Array( 2 ),
+ 1, this._controlInterpolantsResultBuffer );
+
+ interpolant.__cacheIndex = lastActiveIndex;
+ interpolants[ lastActiveIndex ] = interpolant;
+
+ }
+
+ return interpolant;
+
+ },
+
+ _takeBackControlInterpolant: function ( interpolant ) {
+
+ var interpolants = this._controlInterpolants,
+ prevIndex = interpolant.__cacheIndex,
+
+ firstInactiveIndex = -- this._nActiveControlInterpolants,
+
+ lastActiveInterpolant = interpolants[ firstInactiveIndex ];
+
+ interpolant.__cacheIndex = firstInactiveIndex;
+ interpolants[ firstInactiveIndex ] = interpolant;
+
+ lastActiveInterpolant.__cacheIndex = prevIndex;
+ interpolants[ prevIndex ] = lastActiveInterpolant;
+
+ },
+
+ _controlInterpolantsResultBuffer: new Float32Array( 1 ),
+
+ // return an action for a clip optionally using a custom root target
+ // object (this method allocates a lot of dynamic memory in case a
+ // previously unknown clip/root combination is specified)
+ clipAction: function ( clip, optionalRoot ) {
+
+ var root = optionalRoot || this._root,
+ rootUuid = root.uuid,
+
+ clipObject = typeof clip === 'string' ?
+ AnimationClip.findByName( root, clip ) : clip,
+
+ clipUuid = clipObject !== null ? clipObject.uuid : clip,
+
+ actionsForClip = this._actionsByClip[ clipUuid ],
+ prototypeAction = null;
+
+ if ( actionsForClip !== undefined ) {
+
+ var existingAction =
+ actionsForClip.actionByRoot[ rootUuid ];
+
+ if ( existingAction !== undefined ) {
+
+ return existingAction;
+
+ }
+
+ // we know the clip, so we don't have to parse all
+ // the bindings again but can just copy
+ prototypeAction = actionsForClip.knownActions[ 0 ];
+
+ // also, take the clip from the prototype action
+ if ( clipObject === null )
+ clipObject = prototypeAction._clip;
+
+ }
+
+ // clip must be known when specified via string
+ if ( clipObject === null ) return null;
+
+ // allocate all resources required to run it
+ var newAction = new AnimationAction( this, clipObject, optionalRoot );
+
+ this._bindAction( newAction, prototypeAction );
+
+ // and make the action known to the memory manager
+ this._addInactiveAction( newAction, clipUuid, rootUuid );
+
+ return newAction;
+
+ },
+
+ // get an existing action
+ existingAction: function ( clip, optionalRoot ) {
+
+ var root = optionalRoot || this._root,
+ rootUuid = root.uuid,
+
+ clipObject = typeof clip === 'string' ?
+ AnimationClip.findByName( root, clip ) : clip,
+
+ clipUuid = clipObject ? clipObject.uuid : clip,
+
+ actionsForClip = this._actionsByClip[ clipUuid ];
+
+ if ( actionsForClip !== undefined ) {
+
+ return actionsForClip.actionByRoot[ rootUuid ] || null;
+
+ }
+
+ return null;
+
+ },
+
+ // deactivates all previously scheduled actions
+ stopAllAction: function () {
+
+ var actions = this._actions,
+ nActions = this._nActiveActions,
+ bindings = this._bindings,
+ nBindings = this._nActiveBindings;
+
+ this._nActiveActions = 0;
+ this._nActiveBindings = 0;
+
+ for ( var i = 0; i !== nActions; ++ i ) {
+
+ actions[ i ].reset();
+
+ }
+
+ for ( var i = 0; i !== nBindings; ++ i ) {
+
+ bindings[ i ].useCount = 0;
+
+ }
+
+ return this;
+
+ },
+
+ // advance the time and update apply the animation
+ update: function ( deltaTime ) {
+
+ deltaTime *= this.timeScale;
+
+ var actions = this._actions,
+ nActions = this._nActiveActions,
+
+ time = this.time += deltaTime,
+ timeDirection = Math.sign( deltaTime ),
+
+ accuIndex = this._accuIndex ^= 1;
+
+ // run active actions
+
+ for ( var i = 0; i !== nActions; ++ i ) {
+
+ var action = actions[ i ];
+
+ action._update( time, deltaTime, timeDirection, accuIndex );
+
+ }
+
+ // update scene graph
+
+ var bindings = this._bindings,
+ nBindings = this._nActiveBindings;
+
+ for ( var i = 0; i !== nBindings; ++ i ) {
+
+ bindings[ i ].apply( accuIndex );
+
+ }
+
+ return this;
+
+ },
+
+ // return this mixer's root target object
+ getRoot: function () {
+
+ return this._root;
+
+ },
+
+ // free all resources specific to a particular clip
+ uncacheClip: function ( clip ) {
+
+ var actions = this._actions,
+ clipUuid = clip.uuid,
+ actionsByClip = this._actionsByClip,
+ actionsForClip = actionsByClip[ clipUuid ];
+
+ if ( actionsForClip !== undefined ) {
+
+ // note: just calling _removeInactiveAction would mess up the
+ // iteration state and also require updating the state we can
+ // just throw away
+
+ var actionsToRemove = actionsForClip.knownActions;
+
+ for ( var i = 0, n = actionsToRemove.length; i !== n; ++ i ) {
+
+ var action = actionsToRemove[ i ];
+
+ this._deactivateAction( action );
+
+ var cacheIndex = action._cacheIndex,
+ lastInactiveAction = actions[ actions.length - 1 ];
+
+ action._cacheIndex = null;
+ action._byClipCacheIndex = null;
+
+ lastInactiveAction._cacheIndex = cacheIndex;
+ actions[ cacheIndex ] = lastInactiveAction;
+ actions.pop();
+
+ this._removeInactiveBindingsForAction( action );
+
+ }
+
+ delete actionsByClip[ clipUuid ];
+
+ }
+
+ },
+
+ // free all resources specific to a particular root target object
+ uncacheRoot: function ( root ) {
+
+ var rootUuid = root.uuid,
+ actionsByClip = this._actionsByClip;
+
+ for ( var clipUuid in actionsByClip ) {
+
+ var actionByRoot = actionsByClip[ clipUuid ].actionByRoot,
+ action = actionByRoot[ rootUuid ];
+
+ if ( action !== undefined ) {
+
+ this._deactivateAction( action );
+ this._removeInactiveAction( action );
+
+ }
+
+ }
+
+ var bindingsByRoot = this._bindingsByRootAndName,
+ bindingByName = bindingsByRoot[ rootUuid ];
+
+ if ( bindingByName !== undefined ) {
+
+ for ( var trackName in bindingByName ) {
+
+ var binding = bindingByName[ trackName ];
+ binding.restoreOriginalState();
+ this._removeInactiveBinding( binding );
+
+ }
+
+ }
+
+ },
+
+ // remove a targeted clip from the cache
+ uncacheAction: function ( clip, optionalRoot ) {
+
+ var action = this.existingAction( clip, optionalRoot );
+
+ if ( action !== null ) {
+
+ this._deactivateAction( action );
+ this._removeInactiveAction( action );
+
+ }
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function Uniform( value ) {
+
+ if ( typeof value === 'string' ) {
+
+ console.warn( 'THREE.Uniform: Type parameter is no longer needed.' );
+ value = arguments[ 1 ];
+
+ }
+
+ this.value = value;
+
+ }
+
+ Uniform.prototype.clone = function () {
+
+ return new Uniform( this.value.clone === undefined ? this.value : this.value.clone() );
+
+ };
+
+ /**
+ * @author benaadams / https://twitter.com/ben_a_adams
+ */
+
+ function InstancedBufferGeometry() {
+
+ BufferGeometry.call( this );
+
+ this.type = 'InstancedBufferGeometry';
+ this.maxInstancedCount = undefined;
+
+ }
+
+ InstancedBufferGeometry.prototype = Object.assign( Object.create( BufferGeometry.prototype ), {
+
+ constructor: InstancedBufferGeometry,
+
+ isInstancedBufferGeometry: true,
+
+ copy: function ( source ) {
+
+ BufferGeometry.prototype.copy.call( this, source );
+
+ this.maxInstancedCount = source.maxInstancedCount;
+
+ return this;
+
+ },
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ }
+
+ } );
+
+ /**
+ * @author benaadams / https://twitter.com/ben_a_adams
+ */
+
+ function InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) {
+
+ this.uuid = _Math.generateUUID();
+
+ this.data = interleavedBuffer;
+ this.itemSize = itemSize;
+ this.offset = offset;
+
+ this.normalized = normalized === true;
+
+ }
+
+ Object.defineProperties( InterleavedBufferAttribute.prototype, {
+
+ count: {
+
+ get: function () {
+
+ return this.data.count;
+
+ }
+
+ },
+
+ array: {
+
+ get: function () {
+
+ return this.data.array;
+
+ }
+
+ }
+
+ } );
+
+ Object.assign( InterleavedBufferAttribute.prototype, {
+
+ isInterleavedBufferAttribute: true,
+
+ setX: function ( index, x ) {
+
+ this.data.array[ index * this.data.stride + this.offset ] = x;
+
+ return this;
+
+ },
+
+ setY: function ( index, y ) {
+
+ this.data.array[ index * this.data.stride + this.offset + 1 ] = y;
+
+ return this;
+
+ },
+
+ setZ: function ( index, z ) {
+
+ this.data.array[ index * this.data.stride + this.offset + 2 ] = z;
+
+ return this;
+
+ },
+
+ setW: function ( index, w ) {
+
+ this.data.array[ index * this.data.stride + this.offset + 3 ] = w;
+
+ return this;
+
+ },
+
+ getX: function ( index ) {
+
+ return this.data.array[ index * this.data.stride + this.offset ];
+
+ },
+
+ getY: function ( index ) {
+
+ return this.data.array[ index * this.data.stride + this.offset + 1 ];
+
+ },
+
+ getZ: function ( index ) {
+
+ return this.data.array[ index * this.data.stride + this.offset + 2 ];
+
+ },
+
+ getW: function ( index ) {
+
+ return this.data.array[ index * this.data.stride + this.offset + 3 ];
+
+ },
+
+ setXY: function ( index, x, y ) {
+
+ index = index * this.data.stride + this.offset;
+
+ this.data.array[ index + 0 ] = x;
+ this.data.array[ index + 1 ] = y;
+
+ return this;
+
+ },
+
+ setXYZ: function ( index, x, y, z ) {
+
+ index = index * this.data.stride + this.offset;
+
+ this.data.array[ index + 0 ] = x;
+ this.data.array[ index + 1 ] = y;
+ this.data.array[ index + 2 ] = z;
+
+ return this;
+
+ },
+
+ setXYZW: function ( index, x, y, z, w ) {
+
+ index = index * this.data.stride + this.offset;
+
+ this.data.array[ index + 0 ] = x;
+ this.data.array[ index + 1 ] = y;
+ this.data.array[ index + 2 ] = z;
+ this.data.array[ index + 3 ] = w;
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author benaadams / https://twitter.com/ben_a_adams
+ */
+
+ function InterleavedBuffer( array, stride ) {
+
+ this.uuid = _Math.generateUUID();
+
+ this.array = array;
+ this.stride = stride;
+ this.count = array !== undefined ? array.length / stride : 0;
+
+ this.dynamic = false;
+ this.updateRange = { offset: 0, count: - 1 };
+
+ this.onUploadCallback = function () {};
+
+ this.version = 0;
+
+ }
+
+ Object.defineProperty( InterleavedBuffer.prototype, 'needsUpdate', {
+
+ set: function ( value ) {
+
+ if ( value === true ) this.version ++;
+
+ }
+
+ } );
+
+ Object.assign( InterleavedBuffer.prototype, {
+
+ isInterleavedBuffer: true,
+
+ setArray: function ( array ) {
+
+ if ( Array.isArray( array ) ) {
+
+ throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );
+
+ }
+
+ this.count = array !== undefined ? array.length / this.stride : 0;
+ this.array = array;
+
+ },
+
+ setDynamic: function ( value ) {
+
+ this.dynamic = value;
+
+ return this;
+
+ },
+
+ copy: function ( source ) {
+
+ this.array = new source.array.constructor( source.array );
+ this.count = source.count;
+ this.stride = source.stride;
+ this.dynamic = source.dynamic;
+
+ return this;
+
+ },
+
+ copyAt: function ( index1, attribute, index2 ) {
+
+ index1 *= this.stride;
+ index2 *= attribute.stride;
+
+ for ( var i = 0, l = this.stride; i < l; i ++ ) {
+
+ this.array[ index1 + i ] = attribute.array[ index2 + i ];
+
+ }
+
+ return this;
+
+ },
+
+ set: function ( value, offset ) {
+
+ if ( offset === undefined ) offset = 0;
+
+ this.array.set( value, offset );
+
+ return this;
+
+ },
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ },
+
+ onUpload: function ( callback ) {
+
+ this.onUploadCallback = callback;
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author benaadams / https://twitter.com/ben_a_adams
+ */
+
+ function InstancedInterleavedBuffer( array, stride, meshPerAttribute ) {
+
+ InterleavedBuffer.call( this, array, stride );
+
+ this.meshPerAttribute = meshPerAttribute || 1;
+
+ }
+
+ InstancedInterleavedBuffer.prototype = Object.assign( Object.create( InterleavedBuffer.prototype ), {
+
+ constructor: InstancedInterleavedBuffer,
+
+ isInstancedInterleavedBuffer: true,
+
+ copy: function ( source ) {
+
+ InterleavedBuffer.prototype.copy.call( this, source );
+
+ this.meshPerAttribute = source.meshPerAttribute;
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author benaadams / https://twitter.com/ben_a_adams
+ */
+
+ function InstancedBufferAttribute( array, itemSize, meshPerAttribute ) {
+
+ BufferAttribute.call( this, array, itemSize );
+
+ this.meshPerAttribute = meshPerAttribute || 1;
+
+ }
+
+ InstancedBufferAttribute.prototype = Object.assign( Object.create( BufferAttribute.prototype ), {
+
+ constructor: InstancedBufferAttribute,
+
+ isInstancedBufferAttribute: true,
+
+ copy: function ( source ) {
+
+ BufferAttribute.prototype.copy.call( this, source );
+
+ this.meshPerAttribute = source.meshPerAttribute;
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author bhouston / http://clara.io/
+ * @author stephomi / http://stephaneginier.com/
+ */
+
+ function Raycaster( origin, direction, near, far ) {
+
+ this.ray = new Ray( origin, direction );
+ // direction is assumed to be normalized (for accurate distance calculations)
+
+ this.near = near || 0;
+ this.far = far || Infinity;
+
+ this.params = {
+ Mesh: {},
+ Line: {},
+ LOD: {},
+ Points: { threshold: 1 },
+ Sprite: {}
+ };
+
+ Object.defineProperties( this.params, {
+ PointCloud: {
+ get: function () {
+
+ console.warn( 'THREE.Raycaster: params.PointCloud has been renamed to params.Points.' );
+ return this.Points;
+
+ }
+ }
+ } );
+
+ }
+
+ function ascSort( a, b ) {
+
+ return a.distance - b.distance;
+
+ }
+
+ function intersectObject( object, raycaster, intersects, recursive ) {
+
+ if ( object.visible === false ) return;
+
+ object.raycast( raycaster, intersects );
+
+ if ( recursive === true ) {
+
+ var children = object.children;
+
+ for ( var i = 0, l = children.length; i < l; i ++ ) {
+
+ intersectObject( children[ i ], raycaster, intersects, true );
+
+ }
+
+ }
+
+ }
+
+ Object.assign( Raycaster.prototype, {
+
+ linePrecision: 1,
+
+ set: function ( origin, direction ) {
+
+ // direction is assumed to be normalized (for accurate distance calculations)
+
+ this.ray.set( origin, direction );
+
+ },
+
+ setFromCamera: function ( coords, camera ) {
+
+ if ( ( camera && camera.isPerspectiveCamera ) ) {
+
+ this.ray.origin.setFromMatrixPosition( camera.matrixWorld );
+ this.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();
+
+ } else if ( ( camera && camera.isOrthographicCamera ) ) {
+
+ this.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera
+ this.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );
+
+ } else {
+
+ console.error( 'THREE.Raycaster: Unsupported camera type.' );
+
+ }
+
+ },
+
+ intersectObject: function ( object, recursive ) {
+
+ var intersects = [];
+
+ intersectObject( object, this, intersects, recursive );
+
+ intersects.sort( ascSort );
+
+ return intersects;
+
+ },
+
+ intersectObjects: function ( objects, recursive ) {
+
+ var intersects = [];
+
+ if ( Array.isArray( objects ) === false ) {
+
+ console.warn( 'THREE.Raycaster.intersectObjects: objects is not an Array.' );
+ return intersects;
+
+ }
+
+ for ( var i = 0, l = objects.length; i < l; i ++ ) {
+
+ intersectObject( objects[ i ], this, intersects, recursive );
+
+ }
+
+ intersects.sort( ascSort );
+
+ return intersects;
+
+ }
+
+ } );
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function Clock( autoStart ) {
+
+ this.autoStart = ( autoStart !== undefined ) ? autoStart : true;
+
+ this.startTime = 0;
+ this.oldTime = 0;
+ this.elapsedTime = 0;
+
+ this.running = false;
+
+ }
+
+ Object.assign( Clock.prototype, {
+
+ start: function () {
+
+ this.startTime = ( typeof performance === 'undefined' ? Date : performance ).now(); // see #10732
+
+ this.oldTime = this.startTime;
+ this.elapsedTime = 0;
+ this.running = true;
+
+ },
+
+ stop: function () {
+
+ this.getElapsedTime();
+ this.running = false;
+ this.autoStart = false;
+
+ },
+
+ getElapsedTime: function () {
+
+ this.getDelta();
+ return this.elapsedTime;
+
+ },
+
+ getDelta: function () {
+
+ var diff = 0;
+
+ if ( this.autoStart && ! this.running ) {
+
+ this.start();
+ return 0;
+
+ }
+
+ if ( this.running ) {
+
+ var newTime = ( typeof performance === 'undefined' ? Date : performance ).now();
+
+ diff = ( newTime - this.oldTime ) / 1000;
+ this.oldTime = newTime;
+
+ this.elapsedTime += diff;
+
+ }
+
+ return diff;
+
+ }
+
+ } );
+
+ /**
+ * @author bhouston / http://clara.io
+ * @author WestLangley / http://github.com/WestLangley
+ *
+ * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system
+ *
+ * The poles (phi) are at the positive and negative y axis.
+ * The equator starts at positive z.
+ */
+
+ function Spherical( radius, phi, theta ) {
+
+ this.radius = ( radius !== undefined ) ? radius : 1.0;
+ this.phi = ( phi !== undefined ) ? phi : 0; // up / down towards top and bottom pole
+ this.theta = ( theta !== undefined ) ? theta : 0; // around the equator of the sphere
+
+ return this;
+
+ }
+
+ Object.assign( Spherical.prototype, {
+
+ set: function ( radius, phi, theta ) {
+
+ this.radius = radius;
+ this.phi = phi;
+ this.theta = theta;
+
+ return this;
+
+ },
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ },
+
+ copy: function ( other ) {
+
+ this.radius = other.radius;
+ this.phi = other.phi;
+ this.theta = other.theta;
+
+ return this;
+
+ },
+
+ // restrict phi to be betwee EPS and PI-EPS
+ makeSafe: function () {
+
+ var EPS = 0.000001;
+ this.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) );
+
+ return this;
+
+ },
+
+ setFromVector3: function ( vec3 ) {
+
+ this.radius = vec3.length();
+
+ if ( this.radius === 0 ) {
+
+ this.theta = 0;
+ this.phi = 0;
+
+ } else {
+
+ this.theta = Math.atan2( vec3.x, vec3.z ); // equator angle around y-up axis
+ this.phi = Math.acos( _Math.clamp( vec3.y / this.radius, - 1, 1 ) ); // polar angle
+
+ }
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author Mugen87 / https://github.com/Mugen87
+ *
+ * Ref: https://en.wikipedia.org/wiki/Cylindrical_coordinate_system
+ *
+ */
+
+ function Cylindrical( radius, theta, y ) {
+
+ this.radius = ( radius !== undefined ) ? radius : 1.0; // distance from the origin to a point in the x-z plane
+ this.theta = ( theta !== undefined ) ? theta : 0; // counterclockwise angle in the x-z plane measured in radians from the positive z-axis
+ this.y = ( y !== undefined ) ? y : 0; // height above the x-z plane
+
+ return this;
+
+ }
+
+ Object.assign( Cylindrical.prototype, {
+
+ set: function ( radius, theta, y ) {
+
+ this.radius = radius;
+ this.theta = theta;
+ this.y = y;
+
+ return this;
+
+ },
+
+ clone: function () {
+
+ return new this.constructor().copy( this );
+
+ },
+
+ copy: function ( other ) {
+
+ this.radius = other.radius;
+ this.theta = other.theta;
+ this.y = other.y;
+
+ return this;
+
+ },
+
+ setFromVector3: function ( vec3 ) {
+
+ this.radius = Math.sqrt( vec3.x * vec3.x + vec3.z * vec3.z );
+ this.theta = Math.atan2( vec3.x, vec3.z );
+ this.y = vec3.y;
+
+ return this;
+
+ }
+
+ } );
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ function ImmediateRenderObject( material ) {
+
+ Object3D.call( this );
+
+ this.material = material;
+ this.render = function ( /* renderCallback */ ) {};
+
+ }
+
+ ImmediateRenderObject.prototype = Object.create( Object3D.prototype );
+ ImmediateRenderObject.prototype.constructor = ImmediateRenderObject;
+
+ ImmediateRenderObject.prototype.isImmediateRenderObject = true;
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author WestLangley / http://github.com/WestLangley
+ */
+
+ function VertexNormalsHelper( object, size, hex, linewidth ) {
+
+ this.object = object;
+
+ this.size = ( size !== undefined ) ? size : 1;
+
+ var color = ( hex !== undefined ) ? hex : 0xff0000;
+
+ var width = ( linewidth !== undefined ) ? linewidth : 1;
+
+ //
+
+ var nNormals = 0;
+
+ var objGeometry = this.object.geometry;
+
+ if ( objGeometry && objGeometry.isGeometry ) {
+
+ nNormals = objGeometry.faces.length * 3;
+
+ } else if ( objGeometry && objGeometry.isBufferGeometry ) {
+
+ nNormals = objGeometry.attributes.normal.count;
+
+ }
+
+ //
+
+ var geometry = new BufferGeometry();
+
+ var positions = new Float32BufferAttribute( nNormals * 2 * 3, 3 );
+
+ geometry.addAttribute( 'position', positions );
+
+ LineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );
+
+ //
+
+ this.matrixAutoUpdate = false;
+
+ this.update();
+
+ }
+
+ VertexNormalsHelper.prototype = Object.create( LineSegments.prototype );
+ VertexNormalsHelper.prototype.constructor = VertexNormalsHelper;
+
+ VertexNormalsHelper.prototype.update = ( function () {
+
+ var v1 = new Vector3();
+ var v2 = new Vector3();
+ var normalMatrix = new Matrix3();
+
+ return function update() {
+
+ var keys = [ 'a', 'b', 'c' ];
+
+ this.object.updateMatrixWorld( true );
+
+ normalMatrix.getNormalMatrix( this.object.matrixWorld );
+
+ var matrixWorld = this.object.matrixWorld;
+
+ var position = this.geometry.attributes.position;
+
+ //
+
+ var objGeometry = this.object.geometry;
+
+ if ( objGeometry && objGeometry.isGeometry ) {
+
+ var vertices = objGeometry.vertices;
+
+ var faces = objGeometry.faces;
+
+ var idx = 0;
+
+ for ( var i = 0, l = faces.length; i < l; i ++ ) {
+
+ var face = faces[ i ];
+
+ for ( var j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {
+
+ var vertex = vertices[ face[ keys[ j ] ] ];
+
+ var normal = face.vertexNormals[ j ];
+
+ v1.copy( vertex ).applyMatrix4( matrixWorld );
+
+ v2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );
+
+ position.setXYZ( idx, v1.x, v1.y, v1.z );
+
+ idx = idx + 1;
+
+ position.setXYZ( idx, v2.x, v2.y, v2.z );
+
+ idx = idx + 1;
+
+ }
+
+ }
+
+ } else if ( objGeometry && objGeometry.isBufferGeometry ) {
+
+ var objPos = objGeometry.attributes.position;
+
+ var objNorm = objGeometry.attributes.normal;
+
+ var idx = 0;
+
+ // for simplicity, ignore index and drawcalls, and render every normal
+
+ for ( var j = 0, jl = objPos.count; j < jl; j ++ ) {
+
+ v1.set( objPos.getX( j ), objPos.getY( j ), objPos.getZ( j ) ).applyMatrix4( matrixWorld );
+
+ v2.set( objNorm.getX( j ), objNorm.getY( j ), objNorm.getZ( j ) );
+
+ v2.applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );
+
+ position.setXYZ( idx, v1.x, v1.y, v1.z );
+
+ idx = idx + 1;
+
+ position.setXYZ( idx, v2.x, v2.y, v2.z );
+
+ idx = idx + 1;
+
+ }
+
+ }
+
+ position.needsUpdate = true;
+
+ };
+
+ }() );
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ * @author mrdoob / http://mrdoob.com/
+ * @author WestLangley / http://github.com/WestLangley
+ */
+
+ function SpotLightHelper( light, color ) {
+
+ Object3D.call( this );
+
+ this.light = light;
+ this.light.updateMatrixWorld();
+
+ this.matrix = light.matrixWorld;
+ this.matrixAutoUpdate = false;
+
+ this.color = color;
+
+ var geometry = new BufferGeometry();
+
+ var positions = [
+ 0, 0, 0, 0, 0, 1,
+ 0, 0, 0, 1, 0, 1,
+ 0, 0, 0, - 1, 0, 1,
+ 0, 0, 0, 0, 1, 1,
+ 0, 0, 0, 0, - 1, 1
+ ];
+
+ for ( var i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {
+
+ var p1 = ( i / l ) * Math.PI * 2;
+ var p2 = ( j / l ) * Math.PI * 2;
+
+ positions.push(
+ Math.cos( p1 ), Math.sin( p1 ), 1,
+ Math.cos( p2 ), Math.sin( p2 ), 1
+ );
+
+ }
+
+ geometry.addAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );
+
+ var material = new LineBasicMaterial( { fog: false } );
+
+ this.cone = new LineSegments( geometry, material );
+ this.add( this.cone );
+
+ this.update();
+
+ }
+
+ SpotLightHelper.prototype = Object.create( Object3D.prototype );
+ SpotLightHelper.prototype.constructor = SpotLightHelper;
+
+ SpotLightHelper.prototype.dispose = function () {
+
+ this.cone.geometry.dispose();
+ this.cone.material.dispose();
+
+ };
+
+ SpotLightHelper.prototype.update = function () {
+
+ var vector = new Vector3();
+ var vector2 = new Vector3();
+
+ return function update() {
+
+ this.light.updateMatrixWorld();
+
+ var coneLength = this.light.distance ? this.light.distance : 1000;
+ var coneWidth = coneLength * Math.tan( this.light.angle );
+
+ this.cone.scale.set( coneWidth, coneWidth, coneLength );
+
+ vector.setFromMatrixPosition( this.light.matrixWorld );
+ vector2.setFromMatrixPosition( this.light.target.matrixWorld );
+
+ this.cone.lookAt( vector2.sub( vector ) );
+
+ if ( this.color !== undefined ) {
+
+ this.cone.material.color.set( this.color );
+
+ } else {
+
+ this.cone.material.color.copy( this.light.color );
+
+ }
+
+ };
+
+ }();
+
+ /**
+ * @author Sean Griffin / http://twitter.com/sgrif
+ * @author Michael Guerrero / http://realitymeltdown.com
+ * @author mrdoob / http://mrdoob.com/
+ * @author ikerr / http://verold.com
+ * @author Mugen87 / https://github.com/Mugen87
+ */
+
+ function getBoneList( object ) {
+
+ var boneList = [];
+
+ if ( object && object.isBone ) {
+
+ boneList.push( object );
+
+ }
+
+ for ( var i = 0; i < object.children.length; i ++ ) {
+
+ boneList.push.apply( boneList, getBoneList( object.children[ i ] ) );
+
+ }
+
+ return boneList;
+
+ }
+
+ function SkeletonHelper( object ) {
+
+ var bones = getBoneList( object );
+
+ var geometry = new BufferGeometry();
+
+ var vertices = [];
+ var colors = [];
+
+ var color1 = new Color( 0, 0, 1 );
+ var color2 = new Color( 0, 1, 0 );
+
+ for ( var i = 0; i < bones.length; i ++ ) {
+
+ var bone = bones[ i ];
+
+ if ( bone.parent && bone.parent.isBone ) {
+
+ vertices.push( 0, 0, 0 );
+ vertices.push( 0, 0, 0 );
+ colors.push( color1.r, color1.g, color1.b );
+ colors.push( color2.r, color2.g, color2.b );
+
+ }
+
+ }
+
+ geometry.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+ geometry.addAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );
+
+ var material = new LineBasicMaterial( { vertexColors: VertexColors, depthTest: false, depthWrite: false, transparent: true } );
+
+ LineSegments.call( this, geometry, material );
+
+ this.root = object;
+ this.bones = bones;
+
+ this.matrix = object.matrixWorld;
+ this.matrixAutoUpdate = false;
+
+ }
+
+ SkeletonHelper.prototype = Object.create( LineSegments.prototype );
+ SkeletonHelper.prototype.constructor = SkeletonHelper;
+
+ SkeletonHelper.prototype.updateMatrixWorld = function () {
+
+ var vector = new Vector3();
+
+ var boneMatrix = new Matrix4();
+ var matrixWorldInv = new Matrix4();
+
+ return function updateMatrixWorld( force ) {
+
+ var bones = this.bones;
+
+ var geometry = this.geometry;
+ var position = geometry.getAttribute( 'position' );
+
+ matrixWorldInv.getInverse( this.root.matrixWorld );
+
+ for ( var i = 0, j = 0; i < bones.length; i ++ ) {
+
+ var bone = bones[ i ];
+
+ if ( bone.parent && bone.parent.isBone ) {
+
+ boneMatrix.multiplyMatrices( matrixWorldInv, bone.matrixWorld );
+ vector.setFromMatrixPosition( boneMatrix );
+ position.setXYZ( j, vector.x, vector.y, vector.z );
+
+ boneMatrix.multiplyMatrices( matrixWorldInv, bone.parent.matrixWorld );
+ vector.setFromMatrixPosition( boneMatrix );
+ position.setXYZ( j + 1, vector.x, vector.y, vector.z );
+
+ j += 2;
+
+ }
+
+ }
+
+ geometry.getAttribute( 'position' ).needsUpdate = true;
+
+ Object3D.prototype.updateMatrixWorld.call( this, force );
+
+ };
+
+ }();
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function PointLightHelper( light, sphereSize, color ) {
+
+ this.light = light;
+ this.light.updateMatrixWorld();
+
+ this.color = color;
+
+ var geometry = new SphereBufferGeometry( sphereSize, 4, 2 );
+ var material = new MeshBasicMaterial( { wireframe: true, fog: false } );
+
+ Mesh.call( this, geometry, material );
+
+ this.matrix = this.light.matrixWorld;
+ this.matrixAutoUpdate = false;
+
+ this.update();
+
+
+ /*
+ var distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 );
+ var distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );
+
+ this.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );
+ this.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );
+
+ var d = light.distance;
+
+ if ( d === 0.0 ) {
+
+ this.lightDistance.visible = false;
+
+ } else {
+
+ this.lightDistance.scale.set( d, d, d );
+
+ }
+
+ this.add( this.lightDistance );
+ */
+
+ }
+
+ PointLightHelper.prototype = Object.create( Mesh.prototype );
+ PointLightHelper.prototype.constructor = PointLightHelper;
+
+ PointLightHelper.prototype.dispose = function () {
+
+ this.geometry.dispose();
+ this.material.dispose();
+
+ };
+
+ PointLightHelper.prototype.update = function () {
+
+ if ( this.color !== undefined ) {
+
+ this.material.color.set( this.color );
+
+ } else {
+
+ this.material.color.copy( this.light.color );
+
+ }
+
+ /*
+ var d = this.light.distance;
+
+ if ( d === 0.0 ) {
+
+ this.lightDistance.visible = false;
+
+ } else {
+
+ this.lightDistance.visible = true;
+ this.lightDistance.scale.set( d, d, d );
+
+ }
+ */
+
+ };
+
+ /**
+ * @author abelnation / http://github.com/abelnation
+ * @author Mugen87 / http://github.com/Mugen87
+ * @author WestLangley / http://github.com/WestLangley
+ */
+
+ function RectAreaLightHelper( light, color ) {
+
+ Object3D.call( this );
+
+ this.light = light;
+ this.light.updateMatrixWorld();
+
+ this.matrix = light.matrixWorld;
+ this.matrixAutoUpdate = false;
+
+ this.color = color;
+
+ var material = new LineBasicMaterial( { fog: false } );
+
+ var geometry = new BufferGeometry();
+
+ geometry.addAttribute( 'position', new BufferAttribute( new Float32Array( 5 * 3 ), 3 ) );
+
+ this.line = new Line( geometry, material );
+ this.add( this.line );
+
+
+ this.update();
+
+ }
+
+ RectAreaLightHelper.prototype = Object.create( Object3D.prototype );
+ RectAreaLightHelper.prototype.constructor = RectAreaLightHelper;
+
+ RectAreaLightHelper.prototype.dispose = function () {
+
+ this.children[ 0 ].geometry.dispose();
+ this.children[ 0 ].material.dispose();
+
+ };
+
+ RectAreaLightHelper.prototype.update = function () {
+
+ // calculate new dimensions of the helper
+
+ var hx = this.light.width * 0.5;
+ var hy = this.light.height * 0.5;
+
+ var position = this.line.geometry.attributes.position;
+ var array = position.array;
+
+ // update vertices
+
+ array[ 0 ] = hx; array[ 1 ] = - hy; array[ 2 ] = 0;
+ array[ 3 ] = hx; array[ 4 ] = hy; array[ 5 ] = 0;
+ array[ 6 ] = - hx; array[ 7 ] = hy; array[ 8 ] = 0;
+ array[ 9 ] = - hx; array[ 10 ] = - hy; array[ 11 ] = 0;
+ array[ 12 ] = hx; array[ 13 ] = - hy; array[ 14 ] = 0;
+
+ position.needsUpdate = true;
+
+ if ( this.color !== undefined ) {
+
+ this.line.material.color.set( this.color );
+
+ } else {
+
+ this.line.material.color.copy( this.light.color );
+
+ }
+
+ };
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ * @author mrdoob / http://mrdoob.com/
+ * @author Mugen87 / https://github.com/Mugen87
+ */
+
+ function HemisphereLightHelper( light, size, color ) {
+
+ Object3D.call( this );
+
+ this.light = light;
+ this.light.updateMatrixWorld();
+
+ this.matrix = light.matrixWorld;
+ this.matrixAutoUpdate = false;
+
+ this.color = color;
+
+ var geometry = new OctahedronBufferGeometry( size );
+ geometry.rotateY( Math.PI * 0.5 );
+
+ this.material = new MeshBasicMaterial( { wireframe: true, fog: false } );
+ if ( this.color === undefined ) this.material.vertexColors = VertexColors;
+
+ var position = geometry.getAttribute( 'position' );
+ var colors = new Float32Array( position.count * 3 );
+
+ geometry.addAttribute( 'color', new BufferAttribute( colors, 3 ) );
+
+ this.add( new Mesh( geometry, this.material ) );
+
+ this.update();
+
+ }
+
+ HemisphereLightHelper.prototype = Object.create( Object3D.prototype );
+ HemisphereLightHelper.prototype.constructor = HemisphereLightHelper;
+
+ HemisphereLightHelper.prototype.dispose = function () {
+
+ this.children[ 0 ].geometry.dispose();
+ this.children[ 0 ].material.dispose();
+
+ };
+
+ HemisphereLightHelper.prototype.update = function () {
+
+ var vector = new Vector3();
+
+ var color1 = new Color();
+ var color2 = new Color();
+
+ return function update() {
+
+ var mesh = this.children[ 0 ];
+
+ if ( this.color !== undefined ) {
+
+ this.material.color.set( this.color );
+
+ } else {
+
+ var colors = mesh.geometry.getAttribute( 'color' );
+
+ color1.copy( this.light.color );
+ color2.copy( this.light.groundColor );
+
+ for ( var i = 0, l = colors.count; i < l; i ++ ) {
+
+ var color = ( i < ( l / 2 ) ) ? color1 : color2;
+
+ colors.setXYZ( i, color.r, color.g, color.b );
+
+ }
+
+ colors.needsUpdate = true;
+
+ }
+
+ mesh.lookAt( vector.setFromMatrixPosition( this.light.matrixWorld ).negate() );
+
+ };
+
+ }();
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function GridHelper( size, divisions, color1, color2 ) {
+
+ size = size || 10;
+ divisions = divisions || 10;
+ color1 = new Color( color1 !== undefined ? color1 : 0x444444 );
+ color2 = new Color( color2 !== undefined ? color2 : 0x888888 );
+
+ var center = divisions / 2;
+ var step = size / divisions;
+ var halfSize = size / 2;
+
+ var vertices = [], colors = [];
+
+ for ( var i = 0, j = 0, k = - halfSize; i <= divisions; i ++, k += step ) {
+
+ vertices.push( - halfSize, 0, k, halfSize, 0, k );
+ vertices.push( k, 0, - halfSize, k, 0, halfSize );
+
+ var color = i === center ? color1 : color2;
+
+ color.toArray( colors, j ); j += 3;
+ color.toArray( colors, j ); j += 3;
+ color.toArray( colors, j ); j += 3;
+ color.toArray( colors, j ); j += 3;
+
+ }
+
+ var geometry = new BufferGeometry();
+ geometry.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+ geometry.addAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );
+
+ var material = new LineBasicMaterial( { vertexColors: VertexColors } );
+
+ LineSegments.call( this, geometry, material );
+
+ }
+
+ GridHelper.prototype = Object.create( LineSegments.prototype );
+ GridHelper.prototype.constructor = GridHelper;
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author Mugen87 / http://github.com/Mugen87
+ * @author Hectate / http://www.github.com/Hectate
+ */
+
+ function PolarGridHelper( radius, radials, circles, divisions, color1, color2 ) {
+
+ radius = radius || 10;
+ radials = radials || 16;
+ circles = circles || 8;
+ divisions = divisions || 64;
+ color1 = new Color( color1 !== undefined ? color1 : 0x444444 );
+ color2 = new Color( color2 !== undefined ? color2 : 0x888888 );
+
+ var vertices = [];
+ var colors = [];
+
+ var x, z;
+ var v, i, j, r, color;
+
+ // create the radials
+
+ for ( i = 0; i <= radials; i ++ ) {
+
+ v = ( i / radials ) * ( Math.PI * 2 );
+
+ x = Math.sin( v ) * radius;
+ z = Math.cos( v ) * radius;
+
+ vertices.push( 0, 0, 0 );
+ vertices.push( x, 0, z );
+
+ color = ( i & 1 ) ? color1 : color2;
+
+ colors.push( color.r, color.g, color.b );
+ colors.push( color.r, color.g, color.b );
+
+ }
+
+ // create the circles
+
+ for ( i = 0; i <= circles; i ++ ) {
+
+ color = ( i & 1 ) ? color1 : color2;
+
+ r = radius - ( radius / circles * i );
+
+ for ( j = 0; j < divisions; j ++ ) {
+
+ // first vertex
+
+ v = ( j / divisions ) * ( Math.PI * 2 );
+
+ x = Math.sin( v ) * r;
+ z = Math.cos( v ) * r;
+
+ vertices.push( x, 0, z );
+ colors.push( color.r, color.g, color.b );
+
+ // second vertex
+
+ v = ( ( j + 1 ) / divisions ) * ( Math.PI * 2 );
+
+ x = Math.sin( v ) * r;
+ z = Math.cos( v ) * r;
+
+ vertices.push( x, 0, z );
+ colors.push( color.r, color.g, color.b );
+
+ }
+
+ }
+
+ var geometry = new BufferGeometry();
+ geometry.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+ geometry.addAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );
+
+ var material = new LineBasicMaterial( { vertexColors: VertexColors } );
+
+ LineSegments.call( this, geometry, material );
+
+ }
+
+ PolarGridHelper.prototype = Object.create( LineSegments.prototype );
+ PolarGridHelper.prototype.constructor = PolarGridHelper;
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author WestLangley / http://github.com/WestLangley
+ */
+
+ function FaceNormalsHelper( object, size, hex, linewidth ) {
+
+ // FaceNormalsHelper only supports THREE.Geometry
+
+ this.object = object;
+
+ this.size = ( size !== undefined ) ? size : 1;
+
+ var color = ( hex !== undefined ) ? hex : 0xffff00;
+
+ var width = ( linewidth !== undefined ) ? linewidth : 1;
+
+ //
+
+ var nNormals = 0;
+
+ var objGeometry = this.object.geometry;
+
+ if ( objGeometry && objGeometry.isGeometry ) {
+
+ nNormals = objGeometry.faces.length;
+
+ } else {
+
+ console.warn( 'THREE.FaceNormalsHelper: only THREE.Geometry is supported. Use THREE.VertexNormalsHelper, instead.' );
+
+ }
+
+ //
+
+ var geometry = new BufferGeometry();
+
+ var positions = new Float32BufferAttribute( nNormals * 2 * 3, 3 );
+
+ geometry.addAttribute( 'position', positions );
+
+ LineSegments.call( this, geometry, new LineBasicMaterial( { color: color, linewidth: width } ) );
+
+ //
+
+ this.matrixAutoUpdate = false;
+ this.update();
+
+ }
+
+ FaceNormalsHelper.prototype = Object.create( LineSegments.prototype );
+ FaceNormalsHelper.prototype.constructor = FaceNormalsHelper;
+
+ FaceNormalsHelper.prototype.update = ( function () {
+
+ var v1 = new Vector3();
+ var v2 = new Vector3();
+ var normalMatrix = new Matrix3();
+
+ return function update() {
+
+ this.object.updateMatrixWorld( true );
+
+ normalMatrix.getNormalMatrix( this.object.matrixWorld );
+
+ var matrixWorld = this.object.matrixWorld;
+
+ var position = this.geometry.attributes.position;
+
+ //
+
+ var objGeometry = this.object.geometry;
+
+ var vertices = objGeometry.vertices;
+
+ var faces = objGeometry.faces;
+
+ var idx = 0;
+
+ for ( var i = 0, l = faces.length; i < l; i ++ ) {
+
+ var face = faces[ i ];
+
+ var normal = face.normal;
+
+ v1.copy( vertices[ face.a ] )
+ .add( vertices[ face.b ] )
+ .add( vertices[ face.c ] )
+ .divideScalar( 3 )
+ .applyMatrix4( matrixWorld );
+
+ v2.copy( normal ).applyMatrix3( normalMatrix ).normalize().multiplyScalar( this.size ).add( v1 );
+
+ position.setXYZ( idx, v1.x, v1.y, v1.z );
+
+ idx = idx + 1;
+
+ position.setXYZ( idx, v2.x, v2.y, v2.z );
+
+ idx = idx + 1;
+
+ }
+
+ position.needsUpdate = true;
+
+ };
+
+ }() );
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ * @author mrdoob / http://mrdoob.com/
+ * @author WestLangley / http://github.com/WestLangley
+ */
+
+ function DirectionalLightHelper( light, size, color ) {
+
+ Object3D.call( this );
+
+ this.light = light;
+ this.light.updateMatrixWorld();
+
+ this.matrix = light.matrixWorld;
+ this.matrixAutoUpdate = false;
+
+ this.color = color;
+
+ if ( size === undefined ) size = 1;
+
+ var geometry = new BufferGeometry();
+ geometry.addAttribute( 'position', new Float32BufferAttribute( [
+ - size, size, 0,
+ size, size, 0,
+ size, - size, 0,
+ - size, - size, 0,
+ - size, size, 0
+ ], 3 ) );
+
+ var material = new LineBasicMaterial( { fog: false } );
+
+ this.lightPlane = new Line( geometry, material );
+ this.add( this.lightPlane );
+
+ geometry = new BufferGeometry();
+ geometry.addAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );
+
+ this.targetLine = new Line( geometry, material );
+ this.add( this.targetLine );
+
+ this.update();
+
+ }
+
+ DirectionalLightHelper.prototype = Object.create( Object3D.prototype );
+ DirectionalLightHelper.prototype.constructor = DirectionalLightHelper;
+
+ DirectionalLightHelper.prototype.dispose = function () {
+
+ this.lightPlane.geometry.dispose();
+ this.lightPlane.material.dispose();
+ this.targetLine.geometry.dispose();
+ this.targetLine.material.dispose();
+
+ };
+
+ DirectionalLightHelper.prototype.update = function () {
+
+ var v1 = new Vector3();
+ var v2 = new Vector3();
+ var v3 = new Vector3();
+
+ return function update() {
+
+ v1.setFromMatrixPosition( this.light.matrixWorld );
+ v2.setFromMatrixPosition( this.light.target.matrixWorld );
+ v3.subVectors( v2, v1 );
+
+ this.lightPlane.lookAt( v3 );
+
+ if ( this.color !== undefined ) {
+
+ this.lightPlane.material.color.set( this.color );
+ this.targetLine.material.color.set( this.color );
+
+ } else {
+
+ this.lightPlane.material.color.copy( this.light.color );
+ this.targetLine.material.color.copy( this.light.color );
+
+ }
+
+ this.targetLine.lookAt( v3 );
+ this.targetLine.scale.z = v3.length();
+
+ };
+
+ }();
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ * @author Mugen87 / https://github.com/Mugen87
+ *
+ * - shows frustum, line of sight and up of the camera
+ * - suitable for fast updates
+ * - based on frustum visualization in lightgl.js shadowmap example
+ * http://evanw.github.com/lightgl.js/tests/shadowmap.html
+ */
+
+ function CameraHelper( camera ) {
+
+ var geometry = new BufferGeometry();
+ var material = new LineBasicMaterial( { color: 0xffffff, vertexColors: FaceColors } );
+
+ var vertices = [];
+ var colors = [];
+
+ var pointMap = {};
+
+ // colors
+
+ var colorFrustum = new Color( 0xffaa00 );
+ var colorCone = new Color( 0xff0000 );
+ var colorUp = new Color( 0x00aaff );
+ var colorTarget = new Color( 0xffffff );
+ var colorCross = new Color( 0x333333 );
+
+ // near
+
+ addLine( 'n1', 'n2', colorFrustum );
+ addLine( 'n2', 'n4', colorFrustum );
+ addLine( 'n4', 'n3', colorFrustum );
+ addLine( 'n3', 'n1', colorFrustum );
+
+ // far
+
+ addLine( 'f1', 'f2', colorFrustum );
+ addLine( 'f2', 'f4', colorFrustum );
+ addLine( 'f4', 'f3', colorFrustum );
+ addLine( 'f3', 'f1', colorFrustum );
+
+ // sides
+
+ addLine( 'n1', 'f1', colorFrustum );
+ addLine( 'n2', 'f2', colorFrustum );
+ addLine( 'n3', 'f3', colorFrustum );
+ addLine( 'n4', 'f4', colorFrustum );
+
+ // cone
+
+ addLine( 'p', 'n1', colorCone );
+ addLine( 'p', 'n2', colorCone );
+ addLine( 'p', 'n3', colorCone );
+ addLine( 'p', 'n4', colorCone );
+
+ // up
+
+ addLine( 'u1', 'u2', colorUp );
+ addLine( 'u2', 'u3', colorUp );
+ addLine( 'u3', 'u1', colorUp );
+
+ // target
+
+ addLine( 'c', 't', colorTarget );
+ addLine( 'p', 'c', colorCross );
+
+ // cross
+
+ addLine( 'cn1', 'cn2', colorCross );
+ addLine( 'cn3', 'cn4', colorCross );
+
+ addLine( 'cf1', 'cf2', colorCross );
+ addLine( 'cf3', 'cf4', colorCross );
+
+ function addLine( a, b, color ) {
+
+ addPoint( a, color );
+ addPoint( b, color );
+
+ }
+
+ function addPoint( id, color ) {
+
+ vertices.push( 0, 0, 0 );
+ colors.push( color.r, color.g, color.b );
+
+ if ( pointMap[ id ] === undefined ) {
+
+ pointMap[ id ] = [];
+
+ }
+
+ pointMap[ id ].push( ( vertices.length / 3 ) - 1 );
+
+ }
+
+ geometry.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+ geometry.addAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );
+
+ LineSegments.call( this, geometry, material );
+
+ this.camera = camera;
+ if ( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();
+
+ this.matrix = camera.matrixWorld;
+ this.matrixAutoUpdate = false;
+
+ this.pointMap = pointMap;
+
+ this.update();
+
+ }
+
+ CameraHelper.prototype = Object.create( LineSegments.prototype );
+ CameraHelper.prototype.constructor = CameraHelper;
+
+ CameraHelper.prototype.update = function () {
+
+ var geometry, pointMap;
+
+ var vector = new Vector3();
+ var camera = new Camera();
+
+ function setPoint( point, x, y, z ) {
+
+ vector.set( x, y, z ).unproject( camera );
+
+ var points = pointMap[ point ];
+
+ if ( points !== undefined ) {
+
+ var position = geometry.getAttribute( 'position' );
+
+ for ( var i = 0, l = points.length; i < l; i ++ ) {
+
+ position.setXYZ( points[ i ], vector.x, vector.y, vector.z );
+
+ }
+
+ }
+
+ }
+
+ return function update() {
+
+ geometry = this.geometry;
+ pointMap = this.pointMap;
+
+ var w = 1, h = 1;
+
+ // we need just camera projection matrix
+ // world matrix must be identity
+
+ camera.projectionMatrix.copy( this.camera.projectionMatrix );
+
+ // center / target
+
+ setPoint( 'c', 0, 0, - 1 );
+ setPoint( 't', 0, 0, 1 );
+
+ // near
+
+ setPoint( 'n1', - w, - h, - 1 );
+ setPoint( 'n2', w, - h, - 1 );
+ setPoint( 'n3', - w, h, - 1 );
+ setPoint( 'n4', w, h, - 1 );
+
+ // far
+
+ setPoint( 'f1', - w, - h, 1 );
+ setPoint( 'f2', w, - h, 1 );
+ setPoint( 'f3', - w, h, 1 );
+ setPoint( 'f4', w, h, 1 );
+
+ // up
+
+ setPoint( 'u1', w * 0.7, h * 1.1, - 1 );
+ setPoint( 'u2', - w * 0.7, h * 1.1, - 1 );
+ setPoint( 'u3', 0, h * 2, - 1 );
+
+ // cross
+
+ setPoint( 'cf1', - w, 0, 1 );
+ setPoint( 'cf2', w, 0, 1 );
+ setPoint( 'cf3', 0, - h, 1 );
+ setPoint( 'cf4', 0, h, 1 );
+
+ setPoint( 'cn1', - w, 0, - 1 );
+ setPoint( 'cn2', w, 0, - 1 );
+ setPoint( 'cn3', 0, - h, - 1 );
+ setPoint( 'cn4', 0, h, - 1 );
+
+ geometry.getAttribute( 'position' ).needsUpdate = true;
+
+ };
+
+ }();
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ * @author Mugen87 / http://github.com/Mugen87
+ */
+
+ function BoxHelper( object, color ) {
+
+ this.object = object;
+
+ if ( color === undefined ) color = 0xffff00;
+
+ var indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );
+ var positions = new Float32Array( 8 * 3 );
+
+ var geometry = new BufferGeometry();
+ geometry.setIndex( new BufferAttribute( indices, 1 ) );
+ geometry.addAttribute( 'position', new BufferAttribute( positions, 3 ) );
+
+ LineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) );
+
+ this.matrixAutoUpdate = false;
+
+ this.update();
+
+ }
+
+ BoxHelper.prototype = Object.create( LineSegments.prototype );
+ BoxHelper.prototype.constructor = BoxHelper;
+
+ BoxHelper.prototype.update = ( function () {
+
+ var box = new Box3();
+
+ return function update( object ) {
+
+ if ( object !== undefined ) {
+
+ console.warn( 'THREE.BoxHelper: .update() has no longer arguments.' );
+
+ }
+
+ if ( this.object !== undefined ) {
+
+ box.setFromObject( this.object );
+
+ }
+
+ if ( box.isEmpty() ) return;
+
+ var min = box.min;
+ var max = box.max;
+
+ /*
+ 5____4
+ 1/___0/|
+ | 6__|_7
+ 2/___3/
+
+ 0: max.x, max.y, max.z
+ 1: min.x, max.y, max.z
+ 2: min.x, min.y, max.z
+ 3: max.x, min.y, max.z
+ 4: max.x, max.y, min.z
+ 5: min.x, max.y, min.z
+ 6: min.x, min.y, min.z
+ 7: max.x, min.y, min.z
+ */
+
+ var position = this.geometry.attributes.position;
+ var array = position.array;
+
+ array[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;
+ array[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;
+ array[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;
+ array[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;
+ array[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;
+ array[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;
+ array[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;
+ array[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;
+
+ position.needsUpdate = true;
+
+ this.geometry.computeBoundingSphere();
+
+ };
+
+ } )();
+
+ BoxHelper.prototype.setFromObject = function ( object ) {
+
+ this.object = object;
+ this.update();
+
+ return this;
+
+ };
+
+ /**
+ * @author WestLangley / http://github.com/WestLangley
+ */
+
+ function Box3Helper( box, hex ) {
+
+ this.type = 'Box3Helper';
+
+ this.box = box;
+
+ var color = ( hex !== undefined ) ? hex : 0xffff00;
+
+ var indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );
+
+ var positions = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, - 1, - 1, 1, - 1, - 1, - 1, - 1, 1, - 1, - 1 ];
+
+ var geometry = new BufferGeometry();
+
+ geometry.setIndex( new BufferAttribute( indices, 1 ) );
+
+ geometry.addAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );
+
+ LineSegments.call( this, geometry, new LineBasicMaterial( { color: color } ) );
+
+ this.geometry.computeBoundingSphere();
+
+ }
+
+ Box3Helper.prototype = Object.create( LineSegments.prototype );
+ Box3Helper.prototype.constructor = Box3Helper;
+
+ Box3Helper.prototype.updateMatrixWorld = function ( force ) {
+
+ var box = this.box;
+
+ if ( box.isEmpty() ) return;
+
+ box.getCenter( this.position );
+
+ box.getSize( this.scale );
+
+ this.scale.multiplyScalar( 0.5 );
+
+ Object3D.prototype.updateMatrixWorld.call( this, force );
+
+ };
+
+ /**
+ * @author WestLangley / http://github.com/WestLangley
+ */
+
+ function PlaneHelper( plane, size, hex ) {
+
+ this.type = 'PlaneHelper';
+
+ this.plane = plane;
+
+ this.size = ( size === undefined ) ? 1 : size;
+
+ var color = ( hex !== undefined ) ? hex : 0xffff00;
+
+ var positions = [ 1, - 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0 ];
+
+ var geometry = new BufferGeometry();
+ geometry.addAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );
+ geometry.computeBoundingSphere();
+
+ Line.call( this, geometry, new LineBasicMaterial( { color: color } ) );
+
+ //
+
+ var positions2 = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, 1, 1, - 1, - 1, 1, 1, - 1, 1 ];
+
+ var geometry2 = new BufferGeometry();
+ geometry2.addAttribute( 'position', new Float32BufferAttribute( positions2, 3 ) );
+ geometry2.computeBoundingSphere();
+
+ this.add( new Mesh( geometry2, new MeshBasicMaterial( { color: color, opacity: 0.2, transparent: true, depthWrite: false } ) ) );
+
+ }
+
+ PlaneHelper.prototype = Object.create( Line.prototype );
+ PlaneHelper.prototype.constructor = PlaneHelper;
+
+ PlaneHelper.prototype.updateMatrixWorld = function ( force ) {
+
+ var scale = - this.plane.constant;
+
+ if ( Math.abs( scale ) < 1e-8 ) scale = 1e-8; // sign does not matter
+
+ this.scale.set( 0.5 * this.size, 0.5 * this.size, scale );
+
+ this.lookAt( this.plane.normal );
+
+ Object3D.prototype.updateMatrixWorld.call( this, force );
+
+ };
+
+ /**
+ * @author WestLangley / http://github.com/WestLangley
+ * @author zz85 / http://github.com/zz85
+ * @author bhouston / http://clara.io
+ *
+ * Creates an arrow for visualizing directions
+ *
+ * Parameters:
+ * dir - Vector3
+ * origin - Vector3
+ * length - Number
+ * color - color in hex value
+ * headLength - Number
+ * headWidth - Number
+ */
+
+ var lineGeometry;
+ var coneGeometry;
+
+ function ArrowHelper( dir, origin, length, color, headLength, headWidth ) {
+
+ // dir is assumed to be normalized
+
+ Object3D.call( this );
+
+ if ( color === undefined ) color = 0xffff00;
+ if ( length === undefined ) length = 1;
+ if ( headLength === undefined ) headLength = 0.2 * length;
+ if ( headWidth === undefined ) headWidth = 0.2 * headLength;
+
+ if ( lineGeometry === undefined ) {
+
+ lineGeometry = new BufferGeometry();
+ lineGeometry.addAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );
+
+ coneGeometry = new CylinderBufferGeometry( 0, 0.5, 1, 5, 1 );
+ coneGeometry.translate( 0, - 0.5, 0 );
+
+ }
+
+ this.position.copy( origin );
+
+ this.line = new Line( lineGeometry, new LineBasicMaterial( { color: color } ) );
+ this.line.matrixAutoUpdate = false;
+ this.add( this.line );
+
+ this.cone = new Mesh( coneGeometry, new MeshBasicMaterial( { color: color } ) );
+ this.cone.matrixAutoUpdate = false;
+ this.add( this.cone );
+
+ this.setDirection( dir );
+ this.setLength( length, headLength, headWidth );
+
+ }
+
+ ArrowHelper.prototype = Object.create( Object3D.prototype );
+ ArrowHelper.prototype.constructor = ArrowHelper;
+
+ ArrowHelper.prototype.setDirection = ( function () {
+
+ var axis = new Vector3();
+ var radians;
+
+ return function setDirection( dir ) {
+
+ // dir is assumed to be normalized
+
+ if ( dir.y > 0.99999 ) {
+
+ this.quaternion.set( 0, 0, 0, 1 );
+
+ } else if ( dir.y < - 0.99999 ) {
+
+ this.quaternion.set( 1, 0, 0, 0 );
+
+ } else {
+
+ axis.set( dir.z, 0, - dir.x ).normalize();
+
+ radians = Math.acos( dir.y );
+
+ this.quaternion.setFromAxisAngle( axis, radians );
+
+ }
+
+ };
+
+ }() );
+
+ ArrowHelper.prototype.setLength = function ( length, headLength, headWidth ) {
+
+ if ( headLength === undefined ) headLength = 0.2 * length;
+ if ( headWidth === undefined ) headWidth = 0.2 * headLength;
+
+ this.line.scale.set( 1, Math.max( 0, length - headLength ), 1 );
+ this.line.updateMatrix();
+
+ this.cone.scale.set( headWidth, headLength, headWidth );
+ this.cone.position.y = length;
+ this.cone.updateMatrix();
+
+ };
+
+ ArrowHelper.prototype.setColor = function ( color ) {
+
+ this.line.material.color.copy( color );
+ this.cone.material.color.copy( color );
+
+ };
+
+ /**
+ * @author sroucheray / http://sroucheray.org/
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function AxesHelper( size ) {
+
+ size = size || 1;
+
+ var vertices = [
+ 0, 0, 0, size, 0, 0,
+ 0, 0, 0, 0, size, 0,
+ 0, 0, 0, 0, 0, size
+ ];
+
+ var colors = [
+ 1, 0, 0, 1, 0.6, 0,
+ 0, 1, 0, 0.6, 1, 0,
+ 0, 0, 1, 0, 0.6, 1
+ ];
+
+ var geometry = new BufferGeometry();
+ geometry.addAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
+ geometry.addAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );
+
+ var material = new LineBasicMaterial( { vertexColors: VertexColors } );
+
+ LineSegments.call( this, geometry, material );
+
+ }
+
+ AxesHelper.prototype = Object.create( LineSegments.prototype );
+ AxesHelper.prototype.constructor = AxesHelper;
+
+ /**
+ * @author alteredq / http://alteredqualia.com/
+ */
+
+ var SceneUtils = {
+
+ createMultiMaterialObject: function ( geometry, materials ) {
+
+ var group = new Group();
+
+ for ( var i = 0, l = materials.length; i < l; i ++ ) {
+
+ group.add( new Mesh( geometry, materials[ i ] ) );
+
+ }
+
+ return group;
+
+ },
+
+ detach: function ( child, parent, scene ) {
+
+ child.applyMatrix( parent.matrixWorld );
+ parent.remove( child );
+ scene.add( child );
+
+ },
+
+ attach: function ( child, scene, parent ) {
+
+ child.applyMatrix( new Matrix4().getInverse( parent.matrixWorld ) );
+
+ scene.remove( child );
+ parent.add( child );
+
+ }
+
+ };
+
+ /**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+ function Face4( a, b, c, d, normal, color, materialIndex ) {
+
+ console.warn( 'THREE.Face4 has been removed. A THREE.Face3 will be created instead.' );
+ return new Face3( a, b, c, normal, color, materialIndex );
+
+ }
+
+ var LineStrip = 0;
+
+ var LinePieces = 1;
+
+ function MeshFaceMaterial( materials ) {
+
+ console.warn( 'THREE.MeshFaceMaterial has been removed. Use an Array instead.' );
+ return materials;
+
+ }
+
+ function MultiMaterial( materials ) {
+
+ if ( materials === undefined ) materials = [];
+
+ console.warn( 'THREE.MultiMaterial has been removed. Use an Array instead.' );
+ materials.isMultiMaterial = true;
+ materials.materials = materials;
+ materials.clone = function () {
+
+ return materials.slice();
+
+ };
+ return materials;
+
+ }
+
+ function PointCloud( geometry, material ) {
+
+ console.warn( 'THREE.PointCloud has been renamed to THREE.Points.' );
+ return new Points( geometry, material );
+
+ }
+
+ function Particle( material ) {
+
+ console.warn( 'THREE.Particle has been renamed to THREE.Sprite.' );
+ return new Sprite( material );
+
+ }
+
+ function ParticleSystem( geometry, material ) {
+
+ console.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' );
+ return new Points( geometry, material );
+
+ }
+
+ function PointCloudMaterial( parameters ) {
+
+ console.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' );
+ return new PointsMaterial( parameters );
+
+ }
+
+ function ParticleBasicMaterial( parameters ) {
+
+ console.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' );
+ return new PointsMaterial( parameters );
+
+ }
+
+ function ParticleSystemMaterial( parameters ) {
+
+ console.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' );
+ return new PointsMaterial( parameters );
+
+ }
+
+ function Vertex( x, y, z ) {
+
+ console.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' );
+ return new Vector3( x, y, z );
+
+ }
+
+ //
+
+ function DynamicBufferAttribute( array, itemSize ) {
+
+ console.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setDynamic( true ) instead.' );
+ return new BufferAttribute( array, itemSize ).setDynamic( true );
+
+ }
+
+ function Int8Attribute( array, itemSize ) {
+
+ console.warn( 'THREE.Int8Attribute has been removed. Use new THREE.Int8BufferAttribute() instead.' );
+ return new Int8BufferAttribute( array, itemSize );
+
+ }
+
+ function Uint8Attribute( array, itemSize ) {
+
+ console.warn( 'THREE.Uint8Attribute has been removed. Use new THREE.Uint8BufferAttribute() instead.' );
+ return new Uint8BufferAttribute( array, itemSize );
+
+ }
+
+ function Uint8ClampedAttribute( array, itemSize ) {
+
+ console.warn( 'THREE.Uint8ClampedAttribute has been removed. Use new THREE.Uint8ClampedBufferAttribute() instead.' );
+ return new Uint8ClampedBufferAttribute( array, itemSize );
+
+ }
+
+ function Int16Attribute( array, itemSize ) {
+
+ console.warn( 'THREE.Int16Attribute has been removed. Use new THREE.Int16BufferAttribute() instead.' );
+ return new Int16BufferAttribute( array, itemSize );
+
+ }
+
+ function Uint16Attribute( array, itemSize ) {
+
+ console.warn( 'THREE.Uint16Attribute has been removed. Use new THREE.Uint16BufferAttribute() instead.' );
+ return new Uint16BufferAttribute( array, itemSize );
+
+ }
+
+ function Int32Attribute( array, itemSize ) {
+
+ console.warn( 'THREE.Int32Attribute has been removed. Use new THREE.Int32BufferAttribute() instead.' );
+ return new Int32BufferAttribute( array, itemSize );
+
+ }
+
+ function Uint32Attribute( array, itemSize ) {
+
+ console.warn( 'THREE.Uint32Attribute has been removed. Use new THREE.Uint32BufferAttribute() instead.' );
+ return new Uint32BufferAttribute( array, itemSize );
+
+ }
+
+ function Float32Attribute( array, itemSize ) {
+
+ console.warn( 'THREE.Float32Attribute has been removed. Use new THREE.Float32BufferAttribute() instead.' );
+ return new Float32BufferAttribute( array, itemSize );
+
+ }
+
+ function Float64Attribute( array, itemSize ) {
+
+ console.warn( 'THREE.Float64Attribute has been removed. Use new THREE.Float64BufferAttribute() instead.' );
+ return new Float64BufferAttribute( array, itemSize );
+
+ }
+
+ //
+
+ Curve.create = function ( construct, getPoint ) {
+
+ console.log( 'THREE.Curve.create() has been deprecated' );
+
+ construct.prototype = Object.create( Curve.prototype );
+ construct.prototype.constructor = construct;
+ construct.prototype.getPoint = getPoint;
+
+ return construct;
+
+ };
+
+ //
+
+ Object.assign( CurvePath.prototype, {
+
+ createPointsGeometry: function ( divisions ) {
+
+ console.warn( 'THREE.CurvePath: .createPointsGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.' );
+
+ // generate geometry from path points (for Line or Points objects)
+
+ var pts = this.getPoints( divisions );
+ return this.createGeometry( pts );
+
+ },
+
+ createSpacedPointsGeometry: function ( divisions ) {
+
+ console.warn( 'THREE.CurvePath: .createSpacedPointsGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.' );
+
+ // generate geometry from equidistant sampling along the path
+
+ var pts = this.getSpacedPoints( divisions );
+ return this.createGeometry( pts );
+
+ },
+
+ createGeometry: function ( points ) {
+
+ console.warn( 'THREE.CurvePath: .createGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.' );
+
+ var geometry = new Geometry();
+
+ for ( var i = 0, l = points.length; i < l; i ++ ) {
+
+ var point = points[ i ];
+ geometry.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) );
+
+ }
+
+ return geometry;
+
+ }
+
+ } );
+
+ //
+
+ Object.assign( Path.prototype, {
+
+ fromPoints: function ( points ) {
+
+ console.warn( 'THREE.Path: .fromPoints() has been renamed to .setFromPoints().' );
+ this.setFromPoints( points );
+
+ }
+
+ } );
+
+ //
+
+ function ClosedSplineCurve3( points ) {
+
+ console.warn( 'THREE.ClosedSplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead.' );
+
+ CatmullRomCurve3.call( this, points );
+ this.type = 'catmullrom';
+ this.closed = true;
+
+ }
+
+ ClosedSplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype );
+
+ //
+
+ function SplineCurve3( points ) {
+
+ console.warn( 'THREE.SplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead.' );
+
+ CatmullRomCurve3.call( this, points );
+ this.type = 'catmullrom';
+
+ }
+
+ SplineCurve3.prototype = Object.create( CatmullRomCurve3.prototype );
+
+ //
+
+ function Spline( points ) {
+
+ console.warn( 'THREE.Spline has been removed. Use THREE.CatmullRomCurve3 instead.' );
+
+ CatmullRomCurve3.call( this, points );
+ this.type = 'catmullrom';
+
+ }
+
+ Spline.prototype = Object.create( CatmullRomCurve3.prototype );
+
+ Object.assign( Spline.prototype, {
+
+ initFromArray: function ( /* a */ ) {
+
+ console.error( 'THREE.Spline: .initFromArray() has been removed.' );
+
+ },
+ getControlPointsArray: function ( /* optionalTarget */ ) {
+
+ console.error( 'THREE.Spline: .getControlPointsArray() has been removed.' );
+
+ },
+ reparametrizeByArcLength: function ( /* samplingCoef */ ) {
+
+ console.error( 'THREE.Spline: .reparametrizeByArcLength() has been removed.' );
+
+ }
+
+ } );
+
+ //
+
+ function AxisHelper( size ) {
+
+ console.warn( 'THREE.AxisHelper has been renamed to THREE.AxesHelper.' );
+ return new AxesHelper( size );
+
+ }
+
+ function BoundingBoxHelper( object, color ) {
+
+ console.warn( 'THREE.BoundingBoxHelper has been deprecated. Creating a THREE.BoxHelper instead.' );
+ return new BoxHelper( object, color );
+
+ }
+
+ function EdgesHelper( object, hex ) {
+
+ console.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' );
+ return new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );
+
+ }
+
+ GridHelper.prototype.setColors = function () {
+
+ console.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' );
+
+ };
+
+ SkeletonHelper.prototype.update = function () {
+
+ console.error( 'THREE.SkeletonHelper: update() no longer needs to be called.' );
+
+ };
+
+ function WireframeHelper( object, hex ) {
+
+ console.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' );
+ return new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );
+
+ }
+
+ //
+
+ Object.assign( Loader.prototype, {
+
+ extractUrlBase: function ( url ) {
+
+ console.warn( 'THREE.Loader: .extractUrlBase() has been deprecated. Use THREE.LoaderUtils.extractUrlBase() instead.' );
+ return LoaderUtils.extractUrlBase( url );
+
+ }
+
+ } );
+
+ function XHRLoader( manager ) {
+
+ console.warn( 'THREE.XHRLoader has been renamed to THREE.FileLoader.' );
+ return new FileLoader( manager );
+
+ }
+
+ function BinaryTextureLoader( manager ) {
+
+ console.warn( 'THREE.BinaryTextureLoader has been renamed to THREE.DataTextureLoader.' );
+ return new DataTextureLoader( manager );
+
+ }
+
+ //
+
+ Object.assign( Box2.prototype, {
+
+ center: function ( optionalTarget ) {
+
+ console.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' );
+ return this.getCenter( optionalTarget );
+
+ },
+ empty: function () {
+
+ console.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' );
+ return this.isEmpty();
+
+ },
+ isIntersectionBox: function ( box ) {
+
+ console.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' );
+ return this.intersectsBox( box );
+
+ },
+ size: function ( optionalTarget ) {
+
+ console.warn( 'THREE.Box2: .size() has been renamed to .getSize().' );
+ return this.getSize( optionalTarget );
+
+ }
+ } );
+
+ Object.assign( Box3.prototype, {
+
+ center: function ( optionalTarget ) {
+
+ console.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' );
+ return this.getCenter( optionalTarget );
+
+ },
+ empty: function () {
+
+ console.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' );
+ return this.isEmpty();
+
+ },
+ isIntersectionBox: function ( box ) {
+
+ console.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' );
+ return this.intersectsBox( box );
+
+ },
+ isIntersectionSphere: function ( sphere ) {
+
+ console.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' );
+ return this.intersectsSphere( sphere );
+
+ },
+ size: function ( optionalTarget ) {
+
+ console.warn( 'THREE.Box3: .size() has been renamed to .getSize().' );
+ return this.getSize( optionalTarget );
+
+ }
+ } );
+
+ Line3.prototype.center = function ( optionalTarget ) {
+
+ console.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' );
+ return this.getCenter( optionalTarget );
+
+ };
+
+ Object.assign( _Math, {
+
+ random16: function () {
+
+ console.warn( 'THREE.Math: .random16() has been deprecated. Use Math.random() instead.' );
+ return Math.random();
+
+ },
+
+ nearestPowerOfTwo: function ( value ) {
+
+ console.warn( 'THREE.Math: .nearestPowerOfTwo() has been renamed to .floorPowerOfTwo().' );
+ return _Math.floorPowerOfTwo( value );
+
+ },
+
+ nextPowerOfTwo: function ( value ) {
+
+ console.warn( 'THREE.Math: .nextPowerOfTwo() has been renamed to .ceilPowerOfTwo().' );
+ return _Math.ceilPowerOfTwo( value );
+
+ }
+
+ } );
+
+ Object.assign( Matrix3.prototype, {
+
+ flattenToArrayOffset: function ( array, offset ) {
+
+ console.warn( "THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead." );
+ return this.toArray( array, offset );
+
+ },
+ multiplyVector3: function ( vector ) {
+
+ console.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' );
+ return vector.applyMatrix3( this );
+
+ },
+ multiplyVector3Array: function ( /* a */ ) {
+
+ console.error( 'THREE.Matrix3: .multiplyVector3Array() has been removed.' );
+
+ },
+ applyToBuffer: function ( buffer /*, offset, length */ ) {
+
+ console.warn( 'THREE.Matrix3: .applyToBuffer() has been removed. Use matrix.applyToBufferAttribute( attribute ) instead.' );
+ return this.applyToBufferAttribute( buffer );
+
+ },
+ applyToVector3Array: function ( /* array, offset, length */ ) {
+
+ console.error( 'THREE.Matrix3: .applyToVector3Array() has been removed.' );
+
+ }
+
+ } );
+
+ Object.assign( Matrix4.prototype, {
+
+ extractPosition: function ( m ) {
+
+ console.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' );
+ return this.copyPosition( m );
+
+ },
+ flattenToArrayOffset: function ( array, offset ) {
+
+ console.warn( "THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead." );
+ return this.toArray( array, offset );
+
+ },
+ getPosition: function () {
+
+ var v1;
+
+ return function getPosition() {
+
+ if ( v1 === undefined ) v1 = new Vector3();
+ console.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' );
+ return v1.setFromMatrixColumn( this, 3 );
+
+ };
+
+ }(),
+ setRotationFromQuaternion: function ( q ) {
+
+ console.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' );
+ return this.makeRotationFromQuaternion( q );
+
+ },
+ multiplyToArray: function () {
+
+ console.warn( 'THREE.Matrix4: .multiplyToArray() has been removed.' );
+
+ },
+ multiplyVector3: function ( vector ) {
+
+ console.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead.' );
+ return vector.applyMatrix4( this );
+
+ },
+ multiplyVector4: function ( vector ) {
+
+ console.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' );
+ return vector.applyMatrix4( this );
+
+ },
+ multiplyVector3Array: function ( /* a */ ) {
+
+ console.error( 'THREE.Matrix4: .multiplyVector3Array() has been removed.' );
+
+ },
+ rotateAxis: function ( v ) {
+
+ console.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' );
+ v.transformDirection( this );
+
+ },
+ crossVector: function ( vector ) {
+
+ console.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' );
+ return vector.applyMatrix4( this );
+
+ },
+ translate: function () {
+
+ console.error( 'THREE.Matrix4: .translate() has been removed.' );
+
+ },
+ rotateX: function () {
+
+ console.error( 'THREE.Matrix4: .rotateX() has been removed.' );
+
+ },
+ rotateY: function () {
+
+ console.error( 'THREE.Matrix4: .rotateY() has been removed.' );
+
+ },
+ rotateZ: function () {
+
+ console.error( 'THREE.Matrix4: .rotateZ() has been removed.' );
+
+ },
+ rotateByAxis: function () {
+
+ console.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' );
+
+ },
+ applyToBuffer: function ( buffer /*, offset, length */ ) {
+
+ console.warn( 'THREE.Matrix4: .applyToBuffer() has been removed. Use matrix.applyToBufferAttribute( attribute ) instead.' );
+ return this.applyToBufferAttribute( buffer );
+
+ },
+ applyToVector3Array: function ( /* array, offset, length */ ) {
+
+ console.error( 'THREE.Matrix4: .applyToVector3Array() has been removed.' );
+
+ },
+ makeFrustum: function ( left, right, bottom, top, near, far ) {
+
+ console.warn( 'THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead.' );
+ return this.makePerspective( left, right, top, bottom, near, far );
+
+ }
+
+ } );
+
+ Plane.prototype.isIntersectionLine = function ( line ) {
+
+ console.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' );
+ return this.intersectsLine( line );
+
+ };
+
+ Quaternion.prototype.multiplyVector3 = function ( vector ) {
+
+ console.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' );
+ return vector.applyQuaternion( this );
+
+ };
+
+ Object.assign( Ray.prototype, {
+
+ isIntersectionBox: function ( box ) {
+
+ console.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' );
+ return this.intersectsBox( box );
+
+ },
+ isIntersectionPlane: function ( plane ) {
+
+ console.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' );
+ return this.intersectsPlane( plane );
+
+ },
+ isIntersectionSphere: function ( sphere ) {
+
+ console.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' );
+ return this.intersectsSphere( sphere );
+
+ }
+
+ } );
+
+ Object.assign( Shape.prototype, {
+
+ extractAllPoints: function ( divisions ) {
+
+ console.warn( 'THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead.' );
+ return this.extractPoints( divisions );
+
+ },
+ extrude: function ( options ) {
+
+ console.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' );
+ return new ExtrudeGeometry( this, options );
+
+ },
+ makeGeometry: function ( options ) {
+
+ console.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' );
+ return new ShapeGeometry( this, options );
+
+ }
+
+ } );
+
+ Object.assign( Vector2.prototype, {
+
+ fromAttribute: function ( attribute, index, offset ) {
+
+ console.warn( 'THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute().' );
+ return this.fromBufferAttribute( attribute, index, offset );
+
+ },
+ distanceToManhattan: function ( v ) {
+
+ console.warn( 'THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo().' );
+ return this.manhattanDistanceTo( v );
+
+ },
+ lengthManhattan: function () {
+
+ console.warn( 'THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength().' );
+ return this.manhattanLength();
+
+ }
+
+ } );
+
+ Object.assign( Vector3.prototype, {
+
+ setEulerFromRotationMatrix: function () {
+
+ console.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' );
+
+ },
+ setEulerFromQuaternion: function () {
+
+ console.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' );
+
+ },
+ getPositionFromMatrix: function ( m ) {
+
+ console.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' );
+ return this.setFromMatrixPosition( m );
+
+ },
+ getScaleFromMatrix: function ( m ) {
+
+ console.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' );
+ return this.setFromMatrixScale( m );
+
+ },
+ getColumnFromMatrix: function ( index, matrix ) {
+
+ console.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' );
+ return this.setFromMatrixColumn( matrix, index );
+
+ },
+ applyProjection: function ( m ) {
+
+ console.warn( 'THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead.' );
+ return this.applyMatrix4( m );
+
+ },
+ fromAttribute: function ( attribute, index, offset ) {
+
+ console.warn( 'THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute().' );
+ return this.fromBufferAttribute( attribute, index, offset );
+
+ },
+ distanceToManhattan: function ( v ) {
+
+ console.warn( 'THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo().' );
+ return this.manhattanDistanceTo( v );
+
+ },
+ lengthManhattan: function () {
+
+ console.warn( 'THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength().' );
+ return this.manhattanLength();
+
+ }
+
+ } );
+
+ Object.assign( Vector4.prototype, {
+
+ fromAttribute: function ( attribute, index, offset ) {
+
+ console.warn( 'THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute().' );
+ return this.fromBufferAttribute( attribute, index, offset );
+
+ },
+ lengthManhattan: function () {
+
+ console.warn( 'THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength().' );
+ return this.manhattanLength();
+
+ }
+
+ } );
+
+ //
+
+ Geometry.prototype.computeTangents = function () {
+
+ console.warn( 'THREE.Geometry: .computeTangents() has been removed.' );
+
+ };
+
+ Object.assign( Object3D.prototype, {
+
+ getChildByName: function ( name ) {
+
+ console.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' );
+ return this.getObjectByName( name );
+
+ },
+ renderDepth: function () {
+
+ console.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' );
+
+ },
+ translate: function ( distance, axis ) {
+
+ console.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' );
+ return this.translateOnAxis( axis, distance );
+
+ }
+
+ } );
+
+ Object.defineProperties( Object3D.prototype, {
+
+ eulerOrder: {
+ get: function () {
+
+ console.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );
+ return this.rotation.order;
+
+ },
+ set: function ( value ) {
+
+ console.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );
+ this.rotation.order = value;
+
+ }
+ },
+ useQuaternion: {
+ get: function () {
+
+ console.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );
+
+ },
+ set: function () {
+
+ console.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );
+
+ }
+ }
+
+ } );
+
+ Object.defineProperties( LOD.prototype, {
+
+ objects: {
+ get: function () {
+
+ console.warn( 'THREE.LOD: .objects has been renamed to .levels.' );
+ return this.levels;
+
+ }
+ }
+
+ } );
+
+ Object.defineProperty( Skeleton.prototype, 'useVertexTexture', {
+
+ get: function () {
+
+ console.warn( 'THREE.Skeleton: useVertexTexture has been removed.' );
+
+ },
+ set: function () {
+
+ console.warn( 'THREE.Skeleton: useVertexTexture has been removed.' );
+
+ }
+
+ } );
+
+ Object.defineProperty( Curve.prototype, '__arcLengthDivisions', {
+
+ get: function () {
+
+ console.warn( 'THREE.Curve: .__arcLengthDivisions is now .arcLengthDivisions.' );
+ return this.arcLengthDivisions;
+
+ },
+ set: function ( value ) {
+
+ console.warn( 'THREE.Curve: .__arcLengthDivisions is now .arcLengthDivisions.' );
+ this.arcLengthDivisions = value;
+
+ }
+
+ } );
+
+ //
+
+ PerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) {
+
+ console.warn( "THREE.PerspectiveCamera.setLens is deprecated. " +
+ "Use .setFocalLength and .filmGauge for a photographic setup." );
+
+ if ( filmGauge !== undefined ) this.filmGauge = filmGauge;
+ this.setFocalLength( focalLength );
+
+ };
+
+ //
+
+ Object.defineProperties( Light.prototype, {
+ onlyShadow: {
+ set: function () {
+
+ console.warn( 'THREE.Light: .onlyShadow has been removed.' );
+
+ }
+ },
+ shadowCameraFov: {
+ set: function ( value ) {
+
+ console.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' );
+ this.shadow.camera.fov = value;
+
+ }
+ },
+ shadowCameraLeft: {
+ set: function ( value ) {
+
+ console.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' );
+ this.shadow.camera.left = value;
+
+ }
+ },
+ shadowCameraRight: {
+ set: function ( value ) {
+
+ console.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' );
+ this.shadow.camera.right = value;
+
+ }
+ },
+ shadowCameraTop: {
+ set: function ( value ) {
+
+ console.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' );
+ this.shadow.camera.top = value;
+
+ }
+ },
+ shadowCameraBottom: {
+ set: function ( value ) {
+
+ console.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' );
+ this.shadow.camera.bottom = value;
+
+ }
+ },
+ shadowCameraNear: {
+ set: function ( value ) {
+
+ console.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' );
+ this.shadow.camera.near = value;
+
+ }
+ },
+ shadowCameraFar: {
+ set: function ( value ) {
+
+ console.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' );
+ this.shadow.camera.far = value;
+
+ }
+ },
+ shadowCameraVisible: {
+ set: function () {
+
+ console.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' );
+
+ }
+ },
+ shadowBias: {
+ set: function ( value ) {
+
+ console.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' );
+ this.shadow.bias = value;
+
+ }
+ },
+ shadowDarkness: {
+ set: function () {
+
+ console.warn( 'THREE.Light: .shadowDarkness has been removed.' );
+
+ }
+ },
+ shadowMapWidth: {
+ set: function ( value ) {
+
+ console.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' );
+ this.shadow.mapSize.width = value;
+
+ }
+ },
+ shadowMapHeight: {
+ set: function ( value ) {
+
+ console.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' );
+ this.shadow.mapSize.height = value;
+
+ }
+ }
+ } );
+
+ //
+
+ Object.defineProperties( BufferAttribute.prototype, {
+
+ length: {
+ get: function () {
+
+ console.warn( 'THREE.BufferAttribute: .length has been deprecated. Use .count instead.' );
+ return this.array.length;
+
+ }
+ }
+
+ } );
+
+ Object.assign( BufferGeometry.prototype, {
+
+ addIndex: function ( index ) {
+
+ console.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' );
+ this.setIndex( index );
+
+ },
+ addDrawCall: function ( start, count, indexOffset ) {
+
+ if ( indexOffset !== undefined ) {
+
+ console.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' );
+
+ }
+ console.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' );
+ this.addGroup( start, count );
+
+ },
+ clearDrawCalls: function () {
+
+ console.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' );
+ this.clearGroups();
+
+ },
+ computeTangents: function () {
+
+ console.warn( 'THREE.BufferGeometry: .computeTangents() has been removed.' );
+
+ },
+ computeOffsets: function () {
+
+ console.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' );
+
+ }
+
+ } );
+
+ Object.defineProperties( BufferGeometry.prototype, {
+
+ drawcalls: {
+ get: function () {
+
+ console.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' );
+ return this.groups;
+
+ }
+ },
+ offsets: {
+ get: function () {
+
+ console.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' );
+ return this.groups;
+
+ }
+ }
+
+ } );
+
+ //
+
+ Object.defineProperties( Uniform.prototype, {
+
+ dynamic: {
+ set: function () {
+
+ console.warn( 'THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.' );
+
+ }
+ },
+ onUpdate: {
+ value: function () {
+
+ console.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' );
+ return this;
+
+ }
+ }
+
+ } );
+
+ //
+
+ Object.defineProperties( Material.prototype, {
+
+ wrapAround: {
+ get: function () {
+
+ console.warn( 'THREE.Material: .wrapAround has been removed.' );
+
+ },
+ set: function () {
+
+ console.warn( 'THREE.Material: .wrapAround has been removed.' );
+
+ }
+ },
+ wrapRGB: {
+ get: function () {
+
+ console.warn( 'THREE.Material: .wrapRGB has been removed.' );
+ return new Color();
+
+ }
+ },
+
+ shading: {
+ get: function () {
+
+ console.error( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );
+
+ },
+ set: function ( value ) {
+
+ console.warn( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );
+ this.flatShading = ( value === FlatShading );
+
+ }
+ }
+
+ } );
+
+ Object.defineProperties( MeshPhongMaterial.prototype, {
+
+ metal: {
+ get: function () {
+
+ console.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead.' );
+ return false;
+
+ },
+ set: function () {
+
+ console.warn( 'THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead' );
+
+ }
+ }
+
+ } );
+
+ Object.defineProperties( ShaderMaterial.prototype, {
+
+ derivatives: {
+ get: function () {
+
+ console.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );
+ return this.extensions.derivatives;
+
+ },
+ set: function ( value ) {
+
+ console.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );
+ this.extensions.derivatives = value;
+
+ }
+ }
+
+ } );
+
+ //
+
+ Object.assign( WebGLRenderer.prototype, {
+
+ getCurrentRenderTarget: function () {
+
+ console.warn( 'THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget().' );
+ return this.getRenderTarget();
+
+ },
+
+ getMaxAnisotropy: function () {
+
+ console.warn( 'THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy().' );
+ return this.capabilities.getMaxAnisotropy();
+
+ },
+
+ getPrecision: function () {
+
+ console.warn( 'THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision.' );
+ return this.capabilities.precision;
+
+ },
+
+ resetGLState: function () {
+
+ console.warn( 'THREE.WebGLRenderer: .resetGLState() is now .state.reset().' );
+ return this.state.reset();
+
+ },
+
+ supportsFloatTextures: function () {
+
+ console.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \'OES_texture_float\' ).' );
+ return this.extensions.get( 'OES_texture_float' );
+
+ },
+ supportsHalfFloatTextures: function () {
+
+ console.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \'OES_texture_half_float\' ).' );
+ return this.extensions.get( 'OES_texture_half_float' );
+
+ },
+ supportsStandardDerivatives: function () {
+
+ console.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \'OES_standard_derivatives\' ).' );
+ return this.extensions.get( 'OES_standard_derivatives' );
+
+ },
+ supportsCompressedTextureS3TC: function () {
+
+ console.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \'WEBGL_compressed_texture_s3tc\' ).' );
+ return this.extensions.get( 'WEBGL_compressed_texture_s3tc' );
+
+ },
+ supportsCompressedTexturePVRTC: function () {
+
+ console.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \'WEBGL_compressed_texture_pvrtc\' ).' );
+ return this.extensions.get( 'WEBGL_compressed_texture_pvrtc' );
+
+ },
+ supportsBlendMinMax: function () {
+
+ console.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \'EXT_blend_minmax\' ).' );
+ return this.extensions.get( 'EXT_blend_minmax' );
+
+ },
+ supportsVertexTextures: function () {
+
+ console.warn( 'THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures.' );
+ return this.capabilities.vertexTextures;
+
+ },
+ supportsInstancedArrays: function () {
+
+ console.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \'ANGLE_instanced_arrays\' ).' );
+ return this.extensions.get( 'ANGLE_instanced_arrays' );
+
+ },
+ enableScissorTest: function ( boolean ) {
+
+ console.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' );
+ this.setScissorTest( boolean );
+
+ },
+ initMaterial: function () {
+
+ console.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' );
+
+ },
+ addPrePlugin: function () {
+
+ console.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' );
+
+ },
+ addPostPlugin: function () {
+
+ console.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' );
+
+ },
+ updateShadowMap: function () {
+
+ console.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' );
+
+ }
+
+ } );
+
+ Object.defineProperties( WebGLRenderer.prototype, {
+
+ shadowMapEnabled: {
+ get: function () {
+
+ return this.shadowMap.enabled;
+
+ },
+ set: function ( value ) {
+
+ console.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' );
+ this.shadowMap.enabled = value;
+
+ }
+ },
+ shadowMapType: {
+ get: function () {
+
+ return this.shadowMap.type;
+
+ },
+ set: function ( value ) {
+
+ console.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' );
+ this.shadowMap.type = value;
+
+ }
+ },
+ shadowMapCullFace: {
+ get: function () {
+
+ return this.shadowMap.cullFace;
+
+ },
+ set: function ( value ) {
+
+ console.warn( 'THREE.WebGLRenderer: .shadowMapCullFace is now .shadowMap.cullFace.' );
+ this.shadowMap.cullFace = value;
+
+ }
+ }
+ } );
+
+ Object.defineProperties( WebGLShadowMap.prototype, {
+
+ cullFace: {
+ get: function () {
+
+ return this.renderReverseSided ? CullFaceFront : CullFaceBack;
+
+ },
+ set: function ( cullFace ) {
+
+ var value = ( cullFace !== CullFaceBack );
+ console.warn( "WebGLRenderer: .shadowMap.cullFace is deprecated. Set .shadowMap.renderReverseSided to " + value + "." );
+ this.renderReverseSided = value;
+
+ }
+ }
+
+ } );
+
+ //
+
+ Object.defineProperties( WebGLRenderTarget.prototype, {
+
+ wrapS: {
+ get: function () {
+
+ console.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );
+ return this.texture.wrapS;
+
+ },
+ set: function ( value ) {
+
+ console.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );
+ this.texture.wrapS = value;
+
+ }
+ },
+ wrapT: {
+ get: function () {
+
+ console.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );
+ return this.texture.wrapT;
+
+ },
+ set: function ( value ) {
+
+ console.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );
+ this.texture.wrapT = value;
+
+ }
+ },
+ magFilter: {
+ get: function () {
+
+ console.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );
+ return this.texture.magFilter;
+
+ },
+ set: function ( value ) {
+
+ console.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );
+ this.texture.magFilter = value;
+
+ }
+ },
+ minFilter: {
+ get: function () {
+
+ console.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );
+ return this.texture.minFilter;
+
+ },
+ set: function ( value ) {
+
+ console.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );
+ this.texture.minFilter = value;
+
+ }
+ },
+ anisotropy: {
+ get: function () {
+
+ console.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );
+ return this.texture.anisotropy;
+
+ },
+ set: function ( value ) {
+
+ console.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );
+ this.texture.anisotropy = value;
+
+ }
+ },
+ offset: {
+ get: function () {
+
+ console.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );
+ return this.texture.offset;
+
+ },
+ set: function ( value ) {
+
+ console.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );
+ this.texture.offset = value;
+
+ }
+ },
+ repeat: {
+ get: function () {
+
+ console.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );
+ return this.texture.repeat;
+
+ },
+ set: function ( value ) {
+
+ console.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );
+ this.texture.repeat = value;
+
+ }
+ },
+ format: {
+ get: function () {
+
+ console.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );
+ return this.texture.format;
+
+ },
+ set: function ( value ) {
+
+ console.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );
+ this.texture.format = value;
+
+ }
+ },
+ type: {
+ get: function () {
+
+ console.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );
+ return this.texture.type;
+
+ },
+ set: function ( value ) {
+
+ console.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );
+ this.texture.type = value;
+
+ }
+ },
+ generateMipmaps: {
+ get: function () {
+
+ console.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );
+ return this.texture.generateMipmaps;
+
+ },
+ set: function ( value ) {
+
+ console.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );
+ this.texture.generateMipmaps = value;
+
+ }
+ }
+
+ } );
+
+ //
+
+ Object.assign( WebVRManager.prototype, {
+
+ getStandingMatrix: function () {
+
+ console.warn( 'THREE.WebVRManager: .getStandingMatrix() has been removed.' );
+
+ }
+
+ } );
+
+ Object.defineProperties( WebVRManager.prototype, {
+
+ standing: {
+ set: function ( /* value */ ) {
+
+ console.warn( 'THREE.WebVRManager: .standing has been removed.' );
+
+ }
+ }
+
+ } );
+
+ //
+
+ Audio.prototype.load = function ( file ) {
+
+ console.warn( 'THREE.Audio: .load has been deprecated. Use THREE.AudioLoader instead.' );
+ var scope = this;
+ var audioLoader = new AudioLoader();
+ audioLoader.load( file, function ( buffer ) {
+
+ scope.setBuffer( buffer );
+
+ } );
+ return this;
+
+ };
+
+ AudioAnalyser.prototype.getData = function () {
+
+ console.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' );
+ return this.getFrequencyData();
+
+ };
+
+ //
+
+ CubeCamera.prototype.updateCubeMap = function ( renderer, scene ) {
+
+ console.warn( 'THREE.CubeCamera: .updateCubeMap() is now .update().' );
+ return this.update( renderer, scene );
+
+ };
+
+ //
+
+ var GeometryUtils = {
+
+ merge: function ( geometry1, geometry2, materialIndexOffset ) {
+
+ console.warn( 'THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead.' );
+ var matrix;
+
+ if ( geometry2.isMesh ) {
+
+ geometry2.matrixAutoUpdate && geometry2.updateMatrix();
+
+ matrix = geometry2.matrix;
+ geometry2 = geometry2.geometry;
+
+ }
+
+ geometry1.merge( geometry2, matrix, materialIndexOffset );
+
+ },
+
+ center: function ( geometry ) {
+
+ console.warn( 'THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead.' );
+ return geometry.center();
+
+ }
+
+ };
+
+ var ImageUtils = {
+
+ crossOrigin: undefined,
+
+ loadTexture: function ( url, mapping, onLoad, onError ) {
+
+ console.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' );
+
+ var loader = new TextureLoader();
+ loader.setCrossOrigin( this.crossOrigin );
+
+ var texture = loader.load( url, onLoad, undefined, onError );
+
+ if ( mapping ) texture.mapping = mapping;
+
+ return texture;
+
+ },
+
+ loadTextureCube: function ( urls, mapping, onLoad, onError ) {
+
+ console.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' );
+
+ var loader = new CubeTextureLoader();
+ loader.setCrossOrigin( this.crossOrigin );
+
+ var texture = loader.load( urls, onLoad, undefined, onError );
+
+ if ( mapping ) texture.mapping = mapping;
+
+ return texture;
+
+ },
+
+ loadCompressedTexture: function () {
+
+ console.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' );
+
+ },
+
+ loadCompressedTextureCube: function () {
+
+ console.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' );
+
+ }
+
+ };
+
+ //
+
+ function Projector() {
+
+ console.error( 'THREE.Projector has been moved to /examples/js/renderers/Projector.js.' );
+
+ this.projectVector = function ( vector, camera ) {
+
+ console.warn( 'THREE.Projector: .projectVector() is now vector.project().' );
+ vector.project( camera );
+
+ };
+
+ this.unprojectVector = function ( vector, camera ) {
+
+ console.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' );
+ vector.unproject( camera );
+
+ };
+
+ this.pickingRay = function () {
+
+ console.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' );
+
+ };
+
+ }
+
+ //
+
+ function CanvasRenderer() {
+
+ console.error( 'THREE.CanvasRenderer has been moved to /examples/js/renderers/CanvasRenderer.js' );
+
+ this.domElement = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );
+ this.clear = function () {};
+ this.render = function () {};
+ this.setClearColor = function () {};
+ this.setSize = function () {};
+
+ }
+
+ exports.WebGLRenderTargetCube = WebGLRenderTargetCube;
+ exports.WebGLRenderTarget = WebGLRenderTarget;
+ exports.WebGLRenderer = WebGLRenderer;
+ exports.ShaderLib = ShaderLib;
+ exports.UniformsLib = UniformsLib;
+ exports.UniformsUtils = UniformsUtils;
+ exports.ShaderChunk = ShaderChunk;
+ exports.FogExp2 = FogExp2;
+ exports.Fog = Fog;
+ exports.Scene = Scene;
+ exports.LensFlare = LensFlare;
+ exports.Sprite = Sprite;
+ exports.LOD = LOD;
+ exports.SkinnedMesh = SkinnedMesh;
+ exports.Skeleton = Skeleton;
+ exports.Bone = Bone;
+ exports.Mesh = Mesh;
+ exports.LineSegments = LineSegments;
+ exports.LineLoop = LineLoop;
+ exports.Line = Line;
+ exports.Points = Points;
+ exports.Group = Group;
+ exports.VideoTexture = VideoTexture;
+ exports.DataTexture = DataTexture;
+ exports.CompressedTexture = CompressedTexture;
+ exports.CubeTexture = CubeTexture;
+ exports.CanvasTexture = CanvasTexture;
+ exports.DepthTexture = DepthTexture;
+ exports.Texture = Texture;
+ exports.CompressedTextureLoader = CompressedTextureLoader;
+ exports.DataTextureLoader = DataTextureLoader;
+ exports.CubeTextureLoader = CubeTextureLoader;
+ exports.TextureLoader = TextureLoader;
+ exports.ObjectLoader = ObjectLoader;
+ exports.MaterialLoader = MaterialLoader;
+ exports.BufferGeometryLoader = BufferGeometryLoader;
+ exports.DefaultLoadingManager = DefaultLoadingManager;
+ exports.LoadingManager = LoadingManager;
+ exports.JSONLoader = JSONLoader;
+ exports.ImageLoader = ImageLoader;
+ exports.ImageBitmapLoader = ImageBitmapLoader;
+ exports.FontLoader = FontLoader;
+ exports.FileLoader = FileLoader;
+ exports.Loader = Loader;
+ exports.LoaderUtils = LoaderUtils;
+ exports.Cache = Cache;
+ exports.AudioLoader = AudioLoader;
+ exports.SpotLightShadow = SpotLightShadow;
+ exports.SpotLight = SpotLight;
+ exports.PointLight = PointLight;
+ exports.RectAreaLight = RectAreaLight;
+ exports.HemisphereLight = HemisphereLight;
+ exports.DirectionalLightShadow = DirectionalLightShadow;
+ exports.DirectionalLight = DirectionalLight;
+ exports.AmbientLight = AmbientLight;
+ exports.LightShadow = LightShadow;
+ exports.Light = Light;
+ exports.StereoCamera = StereoCamera;
+ exports.PerspectiveCamera = PerspectiveCamera;
+ exports.OrthographicCamera = OrthographicCamera;
+ exports.CubeCamera = CubeCamera;
+ exports.ArrayCamera = ArrayCamera;
+ exports.Camera = Camera;
+ exports.AudioListener = AudioListener;
+ exports.PositionalAudio = PositionalAudio;
+ exports.AudioContext = AudioContext;
+ exports.AudioAnalyser = AudioAnalyser;
+ exports.Audio = Audio;
+ exports.VectorKeyframeTrack = VectorKeyframeTrack;
+ exports.StringKeyframeTrack = StringKeyframeTrack;
+ exports.QuaternionKeyframeTrack = QuaternionKeyframeTrack;
+ exports.NumberKeyframeTrack = NumberKeyframeTrack;
+ exports.ColorKeyframeTrack = ColorKeyframeTrack;
+ exports.BooleanKeyframeTrack = BooleanKeyframeTrack;
+ exports.PropertyMixer = PropertyMixer;
+ exports.PropertyBinding = PropertyBinding;
+ exports.KeyframeTrack = KeyframeTrack;
+ exports.AnimationUtils = AnimationUtils;
+ exports.AnimationObjectGroup = AnimationObjectGroup;
+ exports.AnimationMixer = AnimationMixer;
+ exports.AnimationClip = AnimationClip;
+ exports.Uniform = Uniform;
+ exports.InstancedBufferGeometry = InstancedBufferGeometry;
+ exports.BufferGeometry = BufferGeometry;
+ exports.Geometry = Geometry;
+ exports.InterleavedBufferAttribute = InterleavedBufferAttribute;
+ exports.InstancedInterleavedBuffer = InstancedInterleavedBuffer;
+ exports.InterleavedBuffer = InterleavedBuffer;
+ exports.InstancedBufferAttribute = InstancedBufferAttribute;
+ exports.Face3 = Face3;
+ exports.Object3D = Object3D;
+ exports.Raycaster = Raycaster;
+ exports.Layers = Layers;
+ exports.EventDispatcher = EventDispatcher;
+ exports.Clock = Clock;
+ exports.QuaternionLinearInterpolant = QuaternionLinearInterpolant;
+ exports.LinearInterpolant = LinearInterpolant;
+ exports.DiscreteInterpolant = DiscreteInterpolant;
+ exports.CubicInterpolant = CubicInterpolant;
+ exports.Interpolant = Interpolant;
+ exports.Triangle = Triangle;
+ exports.Math = _Math;
+ exports.Spherical = Spherical;
+ exports.Cylindrical = Cylindrical;
+ exports.Plane = Plane;
+ exports.Frustum = Frustum;
+ exports.Sphere = Sphere;
+ exports.Ray = Ray;
+ exports.Matrix4 = Matrix4;
+ exports.Matrix3 = Matrix3;
+ exports.Box3 = Box3;
+ exports.Box2 = Box2;
+ exports.Line3 = Line3;
+ exports.Euler = Euler;
+ exports.Vector4 = Vector4;
+ exports.Vector3 = Vector3;
+ exports.Vector2 = Vector2;
+ exports.Quaternion = Quaternion;
+ exports.Color = Color;
+ exports.ImmediateRenderObject = ImmediateRenderObject;
+ exports.VertexNormalsHelper = VertexNormalsHelper;
+ exports.SpotLightHelper = SpotLightHelper;
+ exports.SkeletonHelper = SkeletonHelper;
+ exports.PointLightHelper = PointLightHelper;
+ exports.RectAreaLightHelper = RectAreaLightHelper;
+ exports.HemisphereLightHelper = HemisphereLightHelper;
+ exports.GridHelper = GridHelper;
+ exports.PolarGridHelper = PolarGridHelper;
+ exports.FaceNormalsHelper = FaceNormalsHelper;
+ exports.DirectionalLightHelper = DirectionalLightHelper;
+ exports.CameraHelper = CameraHelper;
+ exports.BoxHelper = BoxHelper;
+ exports.Box3Helper = Box3Helper;
+ exports.PlaneHelper = PlaneHelper;
+ exports.ArrowHelper = ArrowHelper;
+ exports.AxesHelper = AxesHelper;
+ exports.Shape = Shape;
+ exports.Path = Path;
+ exports.ShapePath = ShapePath;
+ exports.Font = Font;
+ exports.CurvePath = CurvePath;
+ exports.Curve = Curve;
+ exports.ShapeUtils = ShapeUtils;
+ exports.SceneUtils = SceneUtils;
+ exports.WebGLUtils = WebGLUtils;
+ exports.WireframeGeometry = WireframeGeometry;
+ exports.ParametricGeometry = ParametricGeometry;
+ exports.ParametricBufferGeometry = ParametricBufferGeometry;
+ exports.TetrahedronGeometry = TetrahedronGeometry;
+ exports.TetrahedronBufferGeometry = TetrahedronBufferGeometry;
+ exports.OctahedronGeometry = OctahedronGeometry;
+ exports.OctahedronBufferGeometry = OctahedronBufferGeometry;
+ exports.IcosahedronGeometry = IcosahedronGeometry;
+ exports.IcosahedronBufferGeometry = IcosahedronBufferGeometry;
+ exports.DodecahedronGeometry = DodecahedronGeometry;
+ exports.DodecahedronBufferGeometry = DodecahedronBufferGeometry;
+ exports.PolyhedronGeometry = PolyhedronGeometry;
+ exports.PolyhedronBufferGeometry = PolyhedronBufferGeometry;
+ exports.TubeGeometry = TubeGeometry;
+ exports.TubeBufferGeometry = TubeBufferGeometry;
+ exports.TorusKnotGeometry = TorusKnotGeometry;
+ exports.TorusKnotBufferGeometry = TorusKnotBufferGeometry;
+ exports.TorusGeometry = TorusGeometry;
+ exports.TorusBufferGeometry = TorusBufferGeometry;
+ exports.TextGeometry = TextGeometry;
+ exports.TextBufferGeometry = TextBufferGeometry;
+ exports.SphereGeometry = SphereGeometry;
+ exports.SphereBufferGeometry = SphereBufferGeometry;
+ exports.RingGeometry = RingGeometry;
+ exports.RingBufferGeometry = RingBufferGeometry;
+ exports.PlaneGeometry = PlaneGeometry;
+ exports.PlaneBufferGeometry = PlaneBufferGeometry;
+ exports.LatheGeometry = LatheGeometry;
+ exports.LatheBufferGeometry = LatheBufferGeometry;
+ exports.ShapeGeometry = ShapeGeometry;
+ exports.ShapeBufferGeometry = ShapeBufferGeometry;
+ exports.ExtrudeGeometry = ExtrudeGeometry;
+ exports.ExtrudeBufferGeometry = ExtrudeBufferGeometry;
+ exports.EdgesGeometry = EdgesGeometry;
+ exports.ConeGeometry = ConeGeometry;
+ exports.ConeBufferGeometry = ConeBufferGeometry;
+ exports.CylinderGeometry = CylinderGeometry;
+ exports.CylinderBufferGeometry = CylinderBufferGeometry;
+ exports.CircleGeometry = CircleGeometry;
+ exports.CircleBufferGeometry = CircleBufferGeometry;
+ exports.BoxGeometry = BoxGeometry;
+ exports.BoxBufferGeometry = BoxBufferGeometry;
+ exports.ShadowMaterial = ShadowMaterial;
+ exports.SpriteMaterial = SpriteMaterial;
+ exports.RawShaderMaterial = RawShaderMaterial;
+ exports.ShaderMaterial = ShaderMaterial;
+ exports.PointsMaterial = PointsMaterial;
+ exports.MeshPhysicalMaterial = MeshPhysicalMaterial;
+ exports.MeshStandardMaterial = MeshStandardMaterial;
+ exports.MeshPhongMaterial = MeshPhongMaterial;
+ exports.MeshToonMaterial = MeshToonMaterial;
+ exports.MeshNormalMaterial = MeshNormalMaterial;
+ exports.MeshLambertMaterial = MeshLambertMaterial;
+ exports.MeshDepthMaterial = MeshDepthMaterial;
+ exports.MeshDistanceMaterial = MeshDistanceMaterial;
+ exports.MeshBasicMaterial = MeshBasicMaterial;
+ exports.LineDashedMaterial = LineDashedMaterial;
+ exports.LineBasicMaterial = LineBasicMaterial;
+ exports.Material = Material;
+ exports.Float64BufferAttribute = Float64BufferAttribute;
+ exports.Float32BufferAttribute = Float32BufferAttribute;
+ exports.Uint32BufferAttribute = Uint32BufferAttribute;
+ exports.Int32BufferAttribute = Int32BufferAttribute;
+ exports.Uint16BufferAttribute = Uint16BufferAttribute;
+ exports.Int16BufferAttribute = Int16BufferAttribute;
+ exports.Uint8ClampedBufferAttribute = Uint8ClampedBufferAttribute;
+ exports.Uint8BufferAttribute = Uint8BufferAttribute;
+ exports.Int8BufferAttribute = Int8BufferAttribute;
+ exports.BufferAttribute = BufferAttribute;
+ exports.ArcCurve = ArcCurve;
+ exports.CatmullRomCurve3 = CatmullRomCurve3;
+ exports.CubicBezierCurve = CubicBezierCurve;
+ exports.CubicBezierCurve3 = CubicBezierCurve3;
+ exports.EllipseCurve = EllipseCurve;
+ exports.LineCurve = LineCurve;
+ exports.LineCurve3 = LineCurve3;
+ exports.QuadraticBezierCurve = QuadraticBezierCurve;
+ exports.QuadraticBezierCurve3 = QuadraticBezierCurve3;
+ exports.SplineCurve = SplineCurve;
+ exports.REVISION = REVISION;
+ exports.MOUSE = MOUSE;
+ exports.CullFaceNone = CullFaceNone;
+ exports.CullFaceBack = CullFaceBack;
+ exports.CullFaceFront = CullFaceFront;
+ exports.CullFaceFrontBack = CullFaceFrontBack;
+ exports.FrontFaceDirectionCW = FrontFaceDirectionCW;
+ exports.FrontFaceDirectionCCW = FrontFaceDirectionCCW;
+ exports.BasicShadowMap = BasicShadowMap;
+ exports.PCFShadowMap = PCFShadowMap;
+ exports.PCFSoftShadowMap = PCFSoftShadowMap;
+ exports.FrontSide = FrontSide;
+ exports.BackSide = BackSide;
+ exports.DoubleSide = DoubleSide;
+ exports.FlatShading = FlatShading;
+ exports.SmoothShading = SmoothShading;
+ exports.NoColors = NoColors;
+ exports.FaceColors = FaceColors;
+ exports.VertexColors = VertexColors;
+ exports.NoBlending = NoBlending;
+ exports.NormalBlending = NormalBlending;
+ exports.AdditiveBlending = AdditiveBlending;
+ exports.SubtractiveBlending = SubtractiveBlending;
+ exports.MultiplyBlending = MultiplyBlending;
+ exports.CustomBlending = CustomBlending;
+ exports.AddEquation = AddEquation;
+ exports.SubtractEquation = SubtractEquation;
+ exports.ReverseSubtractEquation = ReverseSubtractEquation;
+ exports.MinEquation = MinEquation;
+ exports.MaxEquation = MaxEquation;
+ exports.ZeroFactor = ZeroFactor;
+ exports.OneFactor = OneFactor;
+ exports.SrcColorFactor = SrcColorFactor;
+ exports.OneMinusSrcColorFactor = OneMinusSrcColorFactor;
+ exports.SrcAlphaFactor = SrcAlphaFactor;
+ exports.OneMinusSrcAlphaFactor = OneMinusSrcAlphaFactor;
+ exports.DstAlphaFactor = DstAlphaFactor;
+ exports.OneMinusDstAlphaFactor = OneMinusDstAlphaFactor;
+ exports.DstColorFactor = DstColorFactor;
+ exports.OneMinusDstColorFactor = OneMinusDstColorFactor;
+ exports.SrcAlphaSaturateFactor = SrcAlphaSaturateFactor;
+ exports.NeverDepth = NeverDepth;
+ exports.AlwaysDepth = AlwaysDepth;
+ exports.LessDepth = LessDepth;
+ exports.LessEqualDepth = LessEqualDepth;
+ exports.EqualDepth = EqualDepth;
+ exports.GreaterEqualDepth = GreaterEqualDepth;
+ exports.GreaterDepth = GreaterDepth;
+ exports.NotEqualDepth = NotEqualDepth;
+ exports.MultiplyOperation = MultiplyOperation;
+ exports.MixOperation = MixOperation;
+ exports.AddOperation = AddOperation;
+ exports.NoToneMapping = NoToneMapping;
+ exports.LinearToneMapping = LinearToneMapping;
+ exports.ReinhardToneMapping = ReinhardToneMapping;
+ exports.Uncharted2ToneMapping = Uncharted2ToneMapping;
+ exports.CineonToneMapping = CineonToneMapping;
+ exports.UVMapping = UVMapping;
+ exports.CubeReflectionMapping = CubeReflectionMapping;
+ exports.CubeRefractionMapping = CubeRefractionMapping;
+ exports.EquirectangularReflectionMapping = EquirectangularReflectionMapping;
+ exports.EquirectangularRefractionMapping = EquirectangularRefractionMapping;
+ exports.SphericalReflectionMapping = SphericalReflectionMapping;
+ exports.CubeUVReflectionMapping = CubeUVReflectionMapping;
+ exports.CubeUVRefractionMapping = CubeUVRefractionMapping;
+ exports.RepeatWrapping = RepeatWrapping;
+ exports.ClampToEdgeWrapping = ClampToEdgeWrapping;
+ exports.MirroredRepeatWrapping = MirroredRepeatWrapping;
+ exports.NearestFilter = NearestFilter;
+ exports.NearestMipMapNearestFilter = NearestMipMapNearestFilter;
+ exports.NearestMipMapLinearFilter = NearestMipMapLinearFilter;
+ exports.LinearFilter = LinearFilter;
+ exports.LinearMipMapNearestFilter = LinearMipMapNearestFilter;
+ exports.LinearMipMapLinearFilter = LinearMipMapLinearFilter;
+ exports.UnsignedByteType = UnsignedByteType;
+ exports.ByteType = ByteType;
+ exports.ShortType = ShortType;
+ exports.UnsignedShortType = UnsignedShortType;
+ exports.IntType = IntType;
+ exports.UnsignedIntType = UnsignedIntType;
+ exports.FloatType = FloatType;
+ exports.HalfFloatType = HalfFloatType;
+ exports.UnsignedShort4444Type = UnsignedShort4444Type;
+ exports.UnsignedShort5551Type = UnsignedShort5551Type;
+ exports.UnsignedShort565Type = UnsignedShort565Type;
+ exports.UnsignedInt248Type = UnsignedInt248Type;
+ exports.AlphaFormat = AlphaFormat;
+ exports.RGBFormat = RGBFormat;
+ exports.RGBAFormat = RGBAFormat;
+ exports.LuminanceFormat = LuminanceFormat;
+ exports.LuminanceAlphaFormat = LuminanceAlphaFormat;
+ exports.RGBEFormat = RGBEFormat;
+ exports.DepthFormat = DepthFormat;
+ exports.DepthStencilFormat = DepthStencilFormat;
+ exports.RGB_S3TC_DXT1_Format = RGB_S3TC_DXT1_Format;
+ exports.RGBA_S3TC_DXT1_Format = RGBA_S3TC_DXT1_Format;
+ exports.RGBA_S3TC_DXT3_Format = RGBA_S3TC_DXT3_Format;
+ exports.RGBA_S3TC_DXT5_Format = RGBA_S3TC_DXT5_Format;
+ exports.RGB_PVRTC_4BPPV1_Format = RGB_PVRTC_4BPPV1_Format;
+ exports.RGB_PVRTC_2BPPV1_Format = RGB_PVRTC_2BPPV1_Format;
+ exports.RGBA_PVRTC_4BPPV1_Format = RGBA_PVRTC_4BPPV1_Format;
+ exports.RGBA_PVRTC_2BPPV1_Format = RGBA_PVRTC_2BPPV1_Format;
+ exports.RGB_ETC1_Format = RGB_ETC1_Format;
+ exports.LoopOnce = LoopOnce;
+ exports.LoopRepeat = LoopRepeat;
+ exports.LoopPingPong = LoopPingPong;
+ exports.InterpolateDiscrete = InterpolateDiscrete;
+ exports.InterpolateLinear = InterpolateLinear;
+ exports.InterpolateSmooth = InterpolateSmooth;
+ exports.ZeroCurvatureEnding = ZeroCurvatureEnding;
+ exports.ZeroSlopeEnding = ZeroSlopeEnding;
+ exports.WrapAroundEnding = WrapAroundEnding;
+ exports.TrianglesDrawMode = TrianglesDrawMode;
+ exports.TriangleStripDrawMode = TriangleStripDrawMode;
+ exports.TriangleFanDrawMode = TriangleFanDrawMode;
+ exports.LinearEncoding = LinearEncoding;
+ exports.sRGBEncoding = sRGBEncoding;
+ exports.GammaEncoding = GammaEncoding;
+ exports.RGBEEncoding = RGBEEncoding;
+ exports.LogLuvEncoding = LogLuvEncoding;
+ exports.RGBM7Encoding = RGBM7Encoding;
+ exports.RGBM16Encoding = RGBM16Encoding;
+ exports.RGBDEncoding = RGBDEncoding;
+ exports.BasicDepthPacking = BasicDepthPacking;
+ exports.RGBADepthPacking = RGBADepthPacking;
+ exports.CubeGeometry = BoxGeometry;
+ exports.Face4 = Face4;
+ exports.LineStrip = LineStrip;
+ exports.LinePieces = LinePieces;
+ exports.MeshFaceMaterial = MeshFaceMaterial;
+ exports.MultiMaterial = MultiMaterial;
+ exports.PointCloud = PointCloud;
+ exports.Particle = Particle;
+ exports.ParticleSystem = ParticleSystem;
+ exports.PointCloudMaterial = PointCloudMaterial;
+ exports.ParticleBasicMaterial = ParticleBasicMaterial;
+ exports.ParticleSystemMaterial = ParticleSystemMaterial;
+ exports.Vertex = Vertex;
+ exports.DynamicBufferAttribute = DynamicBufferAttribute;
+ exports.Int8Attribute = Int8Attribute;
+ exports.Uint8Attribute = Uint8Attribute;
+ exports.Uint8ClampedAttribute = Uint8ClampedAttribute;
+ exports.Int16Attribute = Int16Attribute;
+ exports.Uint16Attribute = Uint16Attribute;
+ exports.Int32Attribute = Int32Attribute;
+ exports.Uint32Attribute = Uint32Attribute;
+ exports.Float32Attribute = Float32Attribute;
+ exports.Float64Attribute = Float64Attribute;
+ exports.ClosedSplineCurve3 = ClosedSplineCurve3;
+ exports.SplineCurve3 = SplineCurve3;
+ exports.Spline = Spline;
+ exports.AxisHelper = AxisHelper;
+ exports.BoundingBoxHelper = BoundingBoxHelper;
+ exports.EdgesHelper = EdgesHelper;
+ exports.WireframeHelper = WireframeHelper;
+ exports.XHRLoader = XHRLoader;
+ exports.BinaryTextureLoader = BinaryTextureLoader;
+ exports.GeometryUtils = GeometryUtils;
+ exports.ImageUtils = ImageUtils;
+ exports.Projector = Projector;
+ exports.CanvasRenderer = CanvasRenderer;
+
+ Object.defineProperty(exports, '__esModule', { value: true });
+
+})));
+
+},{}],41:[function(_dereq_,module,exports){
+/**
+ * @author mrdoob / http://mrdoob.com/
+ * @author Mugen87 / https://github.com/Mugen87
+ */
+
+THREE.ColladaLoader = function ( manager ) {
+
+ this.manager = ( manager !== undefined ) ? manager : THREE.DefaultLoadingManager;
+
+};
+
+THREE.ColladaLoader.prototype = {
+
+ constructor: THREE.ColladaLoader,
+
+ crossOrigin: 'Anonymous',
+
+ load: function ( url, onLoad, onProgress, onError ) {
+
+ var scope = this;
+
+ var path = scope.path === undefined ? THREE.LoaderUtils.extractUrlBase( url ) : scope.path;
+
+ var loader = new THREE.FileLoader( scope.manager );
+ loader.load( url, function ( text ) {
+
+ onLoad( scope.parse( text, path ) );
+
+ }, onProgress, onError );
+
+ },
+
+ setPath: function ( value ) {
+
+ this.path = value;
+
+ },
+
+ options: {
+
+ set convertUpAxis( value ) {
+
+ console.warn( 'THREE.ColladaLoader: options.convertUpAxis() has been removed. Up axis is converted automatically.' );
+
+ }
+
+ },
+
+ setCrossOrigin: function ( value ) {
+
+ this.crossOrigin = value;
+
+ },
+
+ parse: function ( text, path ) {
+
+ function getElementsByTagName( xml, name ) {
+
+ // Non recursive xml.getElementsByTagName() ...
+
+ var array = [];
+ var childNodes = xml.childNodes;
+
+ for ( var i = 0, l = childNodes.length; i < l; i ++ ) {
+
+ var child = childNodes[ i ];
+
+ if ( child.nodeName === name ) {
+
+ array.push( child );
+
+ }
+
+ }
+
+ return array;
+
+ }
+
+ function parseStrings( text ) {
+
+ if ( text.length === 0 ) return [];
+
+ var parts = text.trim().split( /\s+/ );
+ var array = new Array( parts.length );
+
+ for ( var i = 0, l = parts.length; i < l; i ++ ) {
+
+ array[ i ] = parts[ i ];
+
+ }
+
+ return array;
+
+ }
+
+ function parseFloats( text ) {
+
+ if ( text.length === 0 ) return [];
+
+ var parts = text.trim().split( /\s+/ );
+ var array = new Array( parts.length );
+
+ for ( var i = 0, l = parts.length; i < l; i ++ ) {
+
+ array[ i ] = parseFloat( parts[ i ] );
+
+ }
+
+ return array;
+
+ }
+
+ function parseInts( text ) {
+
+ if ( text.length === 0 ) return [];
+
+ var parts = text.trim().split( /\s+/ );
+ var array = new Array( parts.length );
+
+ for ( var i = 0, l = parts.length; i < l; i ++ ) {
+
+ array[ i ] = parseInt( parts[ i ] );
+
+ }
+
+ return array;
+
+ }
+
+ function parseId( text ) {
+
+ return text.substring( 1 );
+
+ }
+
+ function generateId() {
+
+ return 'three_default_' + ( count ++ );
+
+ }
+
+ function isEmpty( object ) {
+
+ return Object.keys( object ).length === 0;
+
+ }
+
+ // asset
+
+ function parseAsset( xml ) {
+
+ return {
+ unit: parseAssetUnit( getElementsByTagName( xml, 'unit' )[ 0 ] ),
+ upAxis: parseAssetUpAxis( getElementsByTagName( xml, 'up_axis' )[ 0 ] )
+ };
+
+ }
+
+ function parseAssetUnit( xml ) {
+
+ return xml !== undefined ? parseFloat( xml.getAttribute( 'meter' ) ) : 1;
+
+ }
+
+ function parseAssetUpAxis( xml ) {
+
+ return xml !== undefined ? xml.textContent : 'Y_UP';
+
+ }
+
+ // library
+
+ function parseLibrary( xml, libraryName, nodeName, parser ) {
+
+ var library = getElementsByTagName( xml, libraryName )[ 0 ];
+
+ if ( library !== undefined ) {
+
+ var elements = getElementsByTagName( library, nodeName );
+
+ for ( var i = 0; i < elements.length; i ++ ) {
+
+ parser( elements[ i ] );
+
+ }
+
+ }
+
+ }
+
+ function buildLibrary( data, builder ) {
+
+ for ( var name in data ) {
+
+ var object = data[ name ];
+ object.build = builder( data[ name ] );
+
+ }
+
+ }
+
+ // get
+
+ function getBuild( data, builder ) {
+
+ if ( data.build !== undefined ) return data.build;
+
+ data.build = builder( data );
+
+ return data.build;
+
+ }
+
+ // animation
+
+ function parseAnimation( xml ) {
+
+ var data = {
+ sources: {},
+ samplers: {},
+ channels: {}
+ };
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ var id;
+
+ switch ( child.nodeName ) {
+
+ case 'source':
+ id = child.getAttribute( 'id' );
+ data.sources[ id ] = parseSource( child );
+ break;
+
+ case 'sampler':
+ id = child.getAttribute( 'id' );
+ data.samplers[ id ] = parseAnimationSampler( child );
+ break;
+
+ case 'channel':
+ id = child.getAttribute( 'target' );
+ data.channels[ id ] = parseAnimationChannel( child );
+ break;
+
+ default:
+ console.log( child );
+
+ }
+
+ }
+
+ library.animations[ xml.getAttribute( 'id' ) ] = data;
+
+ }
+
+ function parseAnimationSampler( xml ) {
+
+ var data = {
+ inputs: {},
+ };
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'input':
+ var id = parseId( child.getAttribute( 'source' ) );
+ var semantic = child.getAttribute( 'semantic' );
+ data.inputs[ semantic ] = id;
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function parseAnimationChannel( xml ) {
+
+ var data = {};
+
+ var target = xml.getAttribute( 'target' );
+
+ // parsing SID Addressing Syntax
+
+ var parts = target.split( '/' );
+
+ var id = parts.shift();
+ var sid = parts.shift();
+
+ // check selection syntax
+
+ var arraySyntax = ( sid.indexOf( '(' ) !== - 1 );
+ var memberSyntax = ( sid.indexOf( '.' ) !== - 1 );
+
+ if ( memberSyntax ) {
+
+ // member selection access
+
+ parts = sid.split( '.' );
+ sid = parts.shift();
+ data.member = parts.shift();
+
+ } else if ( arraySyntax ) {
+
+ // array-access syntax. can be used to express fields in one-dimensional vectors or two-dimensional matrices.
+
+ var indices = sid.split( '(' );
+ sid = indices.shift();
+
+ for ( var i = 0; i < indices.length; i ++ ) {
+
+ indices[ i ] = parseInt( indices[ i ].replace( /\)/, '' ) );
+
+ }
+
+ data.indices = indices;
+
+ }
+
+ data.id = id;
+ data.sid = sid;
+
+ data.arraySyntax = arraySyntax;
+ data.memberSyntax = memberSyntax;
+
+ data.sampler = parseId( xml.getAttribute( 'source' ) );
+
+ return data;
+
+ }
+
+ function buildAnimation( data ) {
+
+ var tracks = [];
+
+ var channels = data.channels;
+ var samplers = data.samplers;
+ var sources = data.sources;
+
+ for ( var target in channels ) {
+
+ if ( channels.hasOwnProperty( target ) ) {
+
+ var channel = channels[ target ];
+ var sampler = samplers[ channel.sampler ];
+
+ var inputId = sampler.inputs.INPUT;
+ var outputId = sampler.inputs.OUTPUT;
+
+ var inputSource = sources[ inputId ];
+ var outputSource = sources[ outputId ];
+
+ var animation = buildAnimationChannel( channel, inputSource, outputSource );
+
+ createKeyframeTracks( animation, tracks );
+
+ }
+
+ }
+
+ return tracks;
+
+ }
+
+ function getAnimation( id ) {
+
+ return getBuild( library.animations[ id ], buildAnimation );
+
+ }
+
+ function buildAnimationChannel( channel, inputSource, outputSource ) {
+
+ var node = library.nodes[ channel.id ];
+ var object3D = getNode( node.id );
+
+ var transform = node.transforms[ channel.sid ];
+ var defaultMatrix = node.matrix.clone().transpose();
+
+ var time, stride;
+ var i, il, j, jl;
+
+ var data = {};
+
+ // the collada spec allows the animation of data in various ways.
+ // depending on the transform type (matrix, translate, rotate, scale), we execute different logic
+
+ switch ( transform ) {
+
+ case 'matrix':
+
+ for ( i = 0, il = inputSource.array.length; i < il; i ++ ) {
+
+ time = inputSource.array[ i ];
+ stride = i * outputSource.stride;
+
+ if ( data[ time ] === undefined ) data[ time ] = {};
+
+ if ( channel.arraySyntax === true ) {
+
+ var value = outputSource.array[ stride ];
+ var index = channel.indices[ 0 ] + 4 * channel.indices[ 1 ];
+
+ data[ time ][ index ] = value;
+
+ } else {
+
+ for ( j = 0, jl = outputSource.stride; j < jl; j ++ ) {
+
+ data[ time ][ j ] = outputSource.array[ stride + j ];
+
+ }
+
+ }
+
+ }
+
+ break;
+
+ case 'translate':
+ console.warn( 'THREE.ColladaLoader: Animation transform type "%s" not yet implemented.', transform );
+ break;
+
+ case 'rotate':
+ console.warn( 'THREE.ColladaLoader: Animation transform type "%s" not yet implemented.', transform );
+ break;
+
+ case 'scale':
+ console.warn( 'THREE.ColladaLoader: Animation transform type "%s" not yet implemented.', transform );
+ break;
+
+ }
+
+ var keyframes = prepareAnimationData( data, defaultMatrix );
+
+ var animation = {
+ name: object3D.uuid,
+ keyframes: keyframes
+ };
+
+ return animation;
+
+ }
+
+ function prepareAnimationData( data, defaultMatrix ) {
+
+ var keyframes = [];
+
+ // transfer data into a sortable array
+
+ for ( var time in data ) {
+
+ keyframes.push( { time: parseFloat( time ), value: data[ time ] } );
+
+ }
+
+ // ensure keyframes are sorted by time
+
+ keyframes.sort( ascending );
+
+ // now we clean up all animation data, so we can use them for keyframe tracks
+
+ for ( var i = 0; i < 16; i ++ ) {
+
+ transformAnimationData( keyframes, i, defaultMatrix.elements[ i ] );
+
+ }
+
+ return keyframes;
+
+ // array sort function
+
+ function ascending( a, b ) {
+
+ return a.time - b.time;
+
+ }
+
+ }
+
+ var position = new THREE.Vector3();
+ var scale = new THREE.Vector3();
+ var quaternion = new THREE.Quaternion();
+
+ function createKeyframeTracks( animation, tracks ) {
+
+ var keyframes = animation.keyframes;
+ var name = animation.name;
+
+ var times = [];
+ var positionData = [];
+ var quaternionData = [];
+ var scaleData = [];
+
+ for ( var i = 0, l = keyframes.length; i < l; i ++ ) {
+
+ var keyframe = keyframes[ i ];
+
+ var time = keyframe.time;
+ var value = keyframe.value;
+
+ matrix.fromArray( value ).transpose();
+ matrix.decompose( position, quaternion, scale );
+
+ times.push( time );
+ positionData.push( position.x, position.y, position.z );
+ quaternionData.push( quaternion.x, quaternion.y, quaternion.z, quaternion.w );
+ scaleData.push( scale.x, scale.y, scale.z );
+
+ }
+
+ if ( positionData.length > 0 ) tracks.push( new THREE.VectorKeyframeTrack( name + '.position', times, positionData ) );
+ if ( quaternionData.length > 0 ) tracks.push( new THREE.QuaternionKeyframeTrack( name + '.quaternion', times, quaternionData ) );
+ if ( scaleData.length > 0 ) tracks.push( new THREE.VectorKeyframeTrack( name + '.scale', times, scaleData ) );
+
+ return tracks;
+
+ }
+
+ function transformAnimationData( keyframes, property, defaultValue ) {
+
+ var keyframe;
+
+ var empty = true;
+ var i, l;
+
+ // check, if values of a property are missing in our keyframes
+
+ for ( i = 0, l = keyframes.length; i < l; i ++ ) {
+
+ keyframe = keyframes[ i ];
+
+ if ( keyframe.value[ property ] === undefined ) {
+
+ keyframe.value[ property ] = null; // mark as missing
+
+ } else {
+
+ empty = false;
+
+ }
+
+ }
+
+ if ( empty === true ) {
+
+ // no values at all, so we set a default value
+
+ for ( i = 0, l = keyframes.length; i < l; i ++ ) {
+
+ keyframe = keyframes[ i ];
+
+ keyframe.value[ property ] = defaultValue;
+
+ }
+
+ } else {
+
+ // filling gaps
+
+ createMissingKeyframes( keyframes, property );
+
+ }
+
+ }
+
+ function createMissingKeyframes( keyframes, property ) {
+
+ var prev, next;
+
+ for ( var i = 0, l = keyframes.length; i < l; i ++ ) {
+
+ var keyframe = keyframes[ i ];
+
+ if ( keyframe.value[ property ] === null ) {
+
+ prev = getPrev( keyframes, i, property );
+ next = getNext( keyframes, i, property );
+
+ if ( prev === null ) {
+
+ keyframe.value[ property ] = next.value[ property ];
+ continue;
+
+ }
+
+ if ( next === null ) {
+
+ keyframe.value[ property ] = prev.value[ property ];
+ continue;
+
+ }
+
+ interpolate( keyframe, prev, next, property );
+
+ }
+
+ }
+
+ }
+
+ function getPrev( keyframes, i, property ) {
+
+ while ( i >= 0 ) {
+
+ var keyframe = keyframes[ i ];
+
+ if ( keyframe.value[ property ] !== null ) return keyframe;
+
+ i --;
+
+ }
+
+ return null;
+
+ }
+
+ function getNext( keyframes, i, property ) {
+
+ while ( i < keyframes.length ) {
+
+ var keyframe = keyframes[ i ];
+
+ if ( keyframe.value[ property ] !== null ) return keyframe;
+
+ i ++;
+
+ }
+
+ return null;
+
+ }
+
+ function interpolate( key, prev, next, property ) {
+
+ if ( ( next.time - prev.time ) === 0 ) {
+
+ key.value[ property ] = prev.value[ property ];
+ return;
+
+ }
+
+ key.value[ property ] = ( ( key.time - prev.time ) * ( next.value[ property ] - prev.value[ property ] ) / ( next.time - prev.time ) ) + prev.value[ property ];
+
+ }
+
+ // animation clips
+
+ function parseAnimationClip( xml ) {
+
+ var data = {
+ name: xml.getAttribute( 'id' ) || 'default',
+ start: parseFloat( xml.getAttribute( 'start' ) || 0 ),
+ end: parseFloat( xml.getAttribute( 'end' ) || 0 ),
+ animations: []
+ };
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'instance_animation':
+ data.animations.push( parseId( child.getAttribute( 'url' ) ) );
+ break;
+
+ }
+
+ }
+
+ library.clips[ xml.getAttribute( 'id' ) ] = data;
+
+ }
+
+ function buildAnimationClip( data ) {
+
+ var tracks = [];
+
+ var name = data.name;
+ var duration = ( data.end - data.start ) || - 1;
+ var animations = data.animations;
+
+ for ( var i = 0, il = animations.length; i < il; i ++ ) {
+
+ var animationTracks = getAnimation( animations[ i ] );
+
+ for ( var j = 0, jl = animationTracks.length; j < jl; j ++ ) {
+
+ tracks.push( animationTracks[ j ] );
+
+ }
+
+ }
+
+ return new THREE.AnimationClip( name, duration, tracks );
+
+ }
+
+ function getAnimationClip( id ) {
+
+ return getBuild( library.clips[ id ], buildAnimationClip );
+
+ }
+
+ // controller
+
+ function parseController( xml ) {
+
+ var data = {};
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'skin':
+ // there is exactly one skin per controller
+ data.id = parseId( child.getAttribute( 'source' ) );
+ data.skin = parseSkin( child );
+ break;
+
+ case 'morph':
+ data.id = parseId( child.getAttribute( 'source' ) );
+ console.warn( 'THREE.ColladaLoader: Morph target animation not supported yet.' );
+ break;
+
+ }
+
+ }
+
+ library.controllers[ xml.getAttribute( 'id' ) ] = data;
+
+ }
+
+ function parseSkin( xml ) {
+
+ var data = {
+ sources: {}
+ };
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'bind_shape_matrix':
+ data.bindShapeMatrix = parseFloats( child.textContent );
+ break;
+
+ case 'source':
+ var id = child.getAttribute( 'id' );
+ data.sources[ id ] = parseSource( child );
+ break;
+
+ case 'joints':
+ data.joints = parseJoints( child );
+ break;
+
+ case 'vertex_weights':
+ data.vertexWeights = parseVertexWeights( child );
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function parseJoints( xml ) {
+
+ var data = {
+ inputs: {}
+ };
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'input':
+ var semantic = child.getAttribute( 'semantic' );
+ var id = parseId( child.getAttribute( 'source' ) );
+ data.inputs[ semantic ] = id;
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function parseVertexWeights( xml ) {
+
+ var data = {
+ inputs: {}
+ };
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'input':
+ var semantic = child.getAttribute( 'semantic' );
+ var id = parseId( child.getAttribute( 'source' ) );
+ var offset = parseInt( child.getAttribute( 'offset' ) );
+ data.inputs[ semantic ] = { id: id, offset: offset };
+ break;
+
+ case 'vcount':
+ data.vcount = parseInts( child.textContent );
+ break;
+
+ case 'v':
+ data.v = parseInts( child.textContent );
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function buildController( data ) {
+
+ var build = {
+ id: data.id
+ };
+
+ var geometry = library.geometries[ build.id ];
+
+ if ( data.skin !== undefined ) {
+
+ build.skin = buildSkin( data.skin );
+
+ // we enhance the 'sources' property of the corresponding geometry with our skin data
+
+ geometry.sources.skinIndices = build.skin.indices;
+ geometry.sources.skinWeights = build.skin.weights;
+
+ }
+
+ return build;
+
+ }
+
+ function buildSkin( data ) {
+
+ var BONE_LIMIT = 4;
+
+ var build = {
+ joints: [], // this must be an array to preserve the joint order
+ indices: {
+ array: [],
+ stride: BONE_LIMIT
+ },
+ weights: {
+ array: [],
+ stride: BONE_LIMIT
+ }
+ };
+
+ var sources = data.sources;
+ var vertexWeights = data.vertexWeights;
+
+ var vcount = vertexWeights.vcount;
+ var v = vertexWeights.v;
+ var jointOffset = vertexWeights.inputs.JOINT.offset;
+ var weightOffset = vertexWeights.inputs.WEIGHT.offset;
+
+ var jointSource = data.sources[ data.joints.inputs.JOINT ];
+ var inverseSource = data.sources[ data.joints.inputs.INV_BIND_MATRIX ];
+
+ var weights = sources[ vertexWeights.inputs.WEIGHT.id ].array;
+ var stride = 0;
+
+ var i, j, l;
+
+ // procces skin data for each vertex
+
+ for ( i = 0, l = vcount.length; i < l; i ++ ) {
+
+ var jointCount = vcount[ i ]; // this is the amount of joints that affect a single vertex
+ var vertexSkinData = [];
+
+ for ( j = 0; j < jointCount; j ++ ) {
+
+ var skinIndex = v[ stride + jointOffset ];
+ var weightId = v[ stride + weightOffset ];
+ var skinWeight = weights[ weightId ];
+
+ vertexSkinData.push( { index: skinIndex, weight: skinWeight } );
+
+ stride += 2;
+
+ }
+
+ // we sort the joints in descending order based on the weights.
+ // this ensures, we only procced the most important joints of the vertex
+
+ vertexSkinData.sort( descending );
+
+ // now we provide for each vertex a set of four index and weight values.
+ // the order of the skin data matches the order of vertices
+
+ for ( j = 0; j < BONE_LIMIT; j ++ ) {
+
+ var d = vertexSkinData[ j ];
+
+ if ( d !== undefined ) {
+
+ build.indices.array.push( d.index );
+ build.weights.array.push( d.weight );
+
+ } else {
+
+ build.indices.array.push( 0 );
+ build.weights.array.push( 0 );
+
+ }
+
+ }
+
+ }
+
+ // setup bind matrix
+
+ build.bindMatrix = new THREE.Matrix4().fromArray( data.bindShapeMatrix ).transpose();
+
+ // process bones and inverse bind matrix data
+
+ for ( i = 0, l = jointSource.array.length; i < l; i ++ ) {
+
+ var name = jointSource.array[ i ];
+ var boneInverse = new THREE.Matrix4().fromArray( inverseSource.array, i * inverseSource.stride ).transpose();
+
+ build.joints.push( { name: name, boneInverse: boneInverse } );
+
+ }
+
+ return build;
+
+ // array sort function
+
+ function descending( a, b ) {
+
+ return b.weight - a.weight;
+
+ }
+
+ }
+
+ function getController( id ) {
+
+ return getBuild( library.controllers[ id ], buildController );
+
+ }
+
+ // image
+
+ function parseImage( xml ) {
+
+ var data = {
+ init_from: getElementsByTagName( xml, 'init_from' )[ 0 ].textContent
+ };
+
+ library.images[ xml.getAttribute( 'id' ) ] = data;
+
+ }
+
+ function buildImage( data ) {
+
+ if ( data.build !== undefined ) return data.build;
+
+ return data.init_from;
+
+ }
+
+ function getImage( id ) {
+
+ return getBuild( library.images[ id ], buildImage );
+
+ }
+
+ // effect
+
+ function parseEffect( xml ) {
+
+ var data = {};
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'profile_COMMON':
+ data.profile = parseEffectProfileCOMMON( child );
+ break;
+
+ }
+
+ }
+
+ library.effects[ xml.getAttribute( 'id' ) ] = data;
+
+ }
+
+ function parseEffectProfileCOMMON( xml ) {
+
+ var data = {
+ surfaces: {},
+ samplers: {}
+ };
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'newparam':
+ parseEffectNewparam( child, data );
+ break;
+
+ case 'technique':
+ data.technique = parseEffectTechnique( child );
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function parseEffectNewparam( xml, data ) {
+
+ var sid = xml.getAttribute( 'sid' );
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'surface':
+ data.surfaces[ sid ] = parseEffectSurface( child );
+ break;
+
+ case 'sampler2D':
+ data.samplers[ sid ] = parseEffectSampler( child );
+ break;
+
+ }
+
+ }
+
+ }
+
+ function parseEffectSurface( xml ) {
+
+ var data = {};
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'init_from':
+ data.init_from = child.textContent;
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function parseEffectSampler( xml ) {
+
+ var data = {};
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'source':
+ data.source = child.textContent;
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function parseEffectTechnique( xml ) {
+
+ var data = {};
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'constant':
+ case 'lambert':
+ case 'blinn':
+ case 'phong':
+ data.type = child.nodeName;
+ data.parameters = parseEffectParameters( child );
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function parseEffectParameters( xml ) {
+
+ var data = {};
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'emission':
+ case 'diffuse':
+ case 'specular':
+ case 'shininess':
+ case 'transparent':
+ case 'transparency':
+ data[ child.nodeName ] = parseEffectParameter( child );
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function parseEffectParameter( xml ) {
+
+ var data = {};
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'color':
+ data[ child.nodeName ] = parseFloats( child.textContent );
+ break;
+
+ case 'float':
+ data[ child.nodeName ] = parseFloat( child.textContent );
+ break;
+
+ case 'texture':
+ data[ child.nodeName ] = { id: child.getAttribute( 'texture' ), extra: parseEffectParameterTexture( child ) };
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function parseEffectParameterTexture( xml ) {
+
+ var data = {
+ technique: {}
+ };
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'extra':
+ parseEffectParameterTextureExtra( child, data );
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function parseEffectParameterTextureExtra( xml, data ) {
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'technique':
+ parseEffectParameterTextureExtraTechnique( child, data );
+ break;
+
+ }
+
+ }
+
+ }
+
+ function parseEffectParameterTextureExtraTechnique( xml, data ) {
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'repeatU':
+ case 'repeatV':
+ case 'offsetU':
+ case 'offsetV':
+ data.technique[ child.nodeName ] = parseFloat( child.textContent );
+ break;
+
+ case 'wrapU':
+ case 'wrapV':
+
+ // some files have values for wrapU/wrapV which become NaN via parseInt
+
+ if ( child.textContent.toUpperCase() === 'TRUE' ) {
+
+ data.technique[ child.nodeName ] = 1;
+
+ } else if ( child.textContent.toUpperCase() === 'FALSE' ) {
+
+ data.technique[ child.nodeName ] = 0;
+
+ } else {
+
+ data.technique[ child.nodeName ] = parseInt( child.textContent );
+
+ }
+
+ break;
+
+ }
+
+ }
+
+ }
+
+ function buildEffect( data ) {
+
+ return data;
+
+ }
+
+ function getEffect( id ) {
+
+ return getBuild( library.effects[ id ], buildEffect );
+
+ }
+
+ // material
+
+ function parseMaterial( xml ) {
+
+ var data = {
+ name: xml.getAttribute( 'name' )
+ };
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'instance_effect':
+ data.url = parseId( child.getAttribute( 'url' ) );
+ break;
+
+ }
+
+ }
+
+ library.materials[ xml.getAttribute( 'id' ) ] = data;
+
+ }
+
+ function buildMaterial( data ) {
+
+ var effect = getEffect( data.url );
+ var technique = effect.profile.technique;
+
+ var material;
+
+ switch ( technique.type ) {
+
+ case 'phong':
+ case 'blinn':
+ material = new THREE.MeshPhongMaterial();
+ break;
+
+ case 'lambert':
+ material = new THREE.MeshLambertMaterial();
+ break;
+
+ default:
+ material = new THREE.MeshBasicMaterial();
+ break;
+
+ }
+
+ material.name = data.name;
+
+ function getTexture( textureObject ) {
+
+ var sampler = effect.profile.samplers[ textureObject.id ];
+
+ if ( sampler !== undefined ) {
+
+ var surface = effect.profile.surfaces[ sampler.source ];
+
+ var texture = textureLoader.load( getImage( surface.init_from ) );
+
+ var extra = textureObject.extra;
+
+ if ( extra !== undefined && extra.technique !== undefined && isEmpty( extra.technique ) === false ) {
+
+ var technique = extra.technique;
+
+ texture.wrapS = technique.wrapU ? THREE.RepeatWrapping : THREE.ClampToEdgeWrapping;
+ texture.wrapT = technique.wrapV ? THREE.RepeatWrapping : THREE.ClampToEdgeWrapping;
+
+ texture.offset.set( technique.offsetU || 0, technique.offsetV || 0 );
+ texture.repeat.set( technique.repeatU || 1, technique.repeatV || 1 );
+
+ } else {
+
+ texture.wrapS = THREE.RepeatWrapping;
+ texture.wrapT = THREE.RepeatWrapping;
+
+ }
+
+ return texture;
+
+ }
+
+ console.error( 'THREE.ColladaLoader: Undefined sampler', textureObject.id );
+
+ return null;
+
+ }
+
+ var parameters = technique.parameters;
+
+ for ( var key in parameters ) {
+
+ var parameter = parameters[ key ];
+
+ switch ( key ) {
+
+ case 'diffuse':
+ if ( parameter.color ) material.color.fromArray( parameter.color );
+ if ( parameter.texture ) material.map = getTexture( parameter.texture );
+ break;
+ case 'specular':
+ if ( parameter.color && material.specular ) material.specular.fromArray( parameter.color );
+ if ( parameter.texture ) material.specularMap = getTexture( parameter.texture );
+ break;
+ case 'shininess':
+ if ( parameter.float && material.shininess )
+ material.shininess = parameter.float;
+ break;
+ case 'emission':
+ if ( parameter.color && material.emissive )
+ material.emissive.fromArray( parameter.color );
+ break;
+ case 'transparent':
+ // if ( parameter.texture ) material.alphaMap = getTexture( parameter.texture );
+ material.transparent = true;
+ break;
+ case 'transparency':
+ if ( parameter.float !== undefined ) material.opacity = parameter.float;
+ material.transparent = true;
+ break;
+
+ }
+
+ }
+
+ return material;
+
+ }
+
+ function getMaterial( id ) {
+
+ return getBuild( library.materials[ id ], buildMaterial );
+
+ }
+
+ // camera
+
+ function parseCamera( xml ) {
+
+ var data = {
+ name: xml.getAttribute( 'name' )
+ };
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'optics':
+ data.optics = parseCameraOptics( child );
+ break;
+
+ }
+
+ }
+
+ library.cameras[ xml.getAttribute( 'id' ) ] = data;
+
+ }
+
+ function parseCameraOptics( xml ) {
+
+ for ( var i = 0; i < xml.childNodes.length; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ switch ( child.nodeName ) {
+
+ case 'technique_common':
+ return parseCameraTechnique( child );
+
+ }
+
+ }
+
+ return {};
+
+ }
+
+ function parseCameraTechnique( xml ) {
+
+ var data = {};
+
+ for ( var i = 0; i < xml.childNodes.length; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ switch ( child.nodeName ) {
+
+ case 'perspective':
+ case 'orthographic':
+
+ data.technique = child.nodeName;
+ data.parameters = parseCameraParameters( child );
+
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function parseCameraParameters( xml ) {
+
+ var data = {};
+
+ for ( var i = 0; i < xml.childNodes.length; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ switch ( child.nodeName ) {
+
+ case 'xfov':
+ case 'yfov':
+ case 'xmag':
+ case 'ymag':
+ case 'znear':
+ case 'zfar':
+ case 'aspect_ratio':
+ data[ child.nodeName ] = parseFloat( child.textContent );
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function buildCamera( data ) {
+
+ var camera;
+
+ switch ( data.optics.technique ) {
+
+ case 'perspective':
+ camera = new THREE.PerspectiveCamera(
+ data.optics.parameters.yfov,
+ data.optics.parameters.aspect_ratio,
+ data.optics.parameters.znear,
+ data.optics.parameters.zfar
+ );
+ break;
+
+ case 'orthographic':
+ var ymag = data.optics.parameters.ymag;
+ var xmag = data.optics.parameters.xmag;
+ var aspectRatio = data.optics.parameters.aspect_ratio;
+
+ xmag = ( xmag === undefined ) ? ( ymag * aspectRatio ) : xmag;
+ ymag = ( ymag === undefined ) ? ( xmag / aspectRatio ) : ymag;
+
+ xmag *= 0.5;
+ ymag *= 0.5;
+
+ camera = new THREE.OrthographicCamera(
+ - xmag, xmag, ymag, - ymag, // left, right, top, bottom
+ data.optics.parameters.znear,
+ data.optics.parameters.zfar
+ );
+ break;
+
+ default:
+ camera = new THREE.PerspectiveCamera();
+ break;
+
+ }
+
+ camera.name = data.name;
+
+ return camera;
+
+ }
+
+ function getCamera( id ) {
+
+ var data = library.cameras[ id ];
+
+ if ( data !== undefined ) {
+
+ return getBuild( data, buildCamera );
+
+ }
+
+ console.warn( 'THREE.ColladaLoader: Couldn\'t find camera with ID:', id );
+
+ return null;
+
+ }
+
+ // light
+
+ function parseLight( xml ) {
+
+ var data = {};
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'technique_common':
+ data = parseLightTechnique( child );
+ break;
+
+ }
+
+ }
+
+ library.lights[ xml.getAttribute( 'id' ) ] = data;
+
+ }
+
+ function parseLightTechnique( xml ) {
+
+ var data = {};
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'directional':
+ case 'point':
+ case 'spot':
+ case 'ambient':
+
+ data.technique = child.nodeName;
+ data.parameters = parseLightParameters( child );
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function parseLightParameters( xml ) {
+
+ var data = {};
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'color':
+ var array = parseFloats( child.textContent );
+ data.color = new THREE.Color().fromArray( array );
+ break;
+
+ case 'falloff_angle':
+ data.falloffAngle = parseFloat( child.textContent );
+ break;
+
+ case 'quadratic_attenuation':
+ var f = parseFloat( child.textContent );
+ data.distance = f ? Math.sqrt( 1 / f ) : 0;
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function buildLight( data ) {
+
+ var light;
+
+ switch ( data.technique ) {
+
+ case 'directional':
+ light = new THREE.DirectionalLight();
+ break;
+
+ case 'point':
+ light = new THREE.PointLight();
+ break;
+
+ case 'spot':
+ light = new THREE.SpotLight();
+ break;
+
+ case 'ambient':
+ light = new THREE.AmbientLight();
+ break;
+
+ }
+
+ if ( data.parameters.color ) light.color.copy( data.parameters.color );
+ if ( data.parameters.distance ) light.distance = data.parameters.distance;
+
+ return light;
+
+ }
+
+ function getLight( id ) {
+
+ var data = library.lights[ id ];
+
+ if ( data !== undefined ) {
+
+ return getBuild( data, buildLight );
+
+ }
+
+ console.warn( 'THREE.ColladaLoader: Couldn\'t find light with ID:', id );
+
+ return null;
+
+ }
+
+ // geometry
+
+ function parseGeometry( xml ) {
+
+ var data = {
+ name: xml.getAttribute( 'name' ),
+ sources: {},
+ vertices: {},
+ primitives: []
+ };
+
+ var mesh = getElementsByTagName( xml, 'mesh' )[ 0 ];
+
+ // the following tags inside geometry are not supported yet (see https://github.com/mrdoob/three.js/pull/12606): convex_mesh, spline, brep
+ if ( mesh === undefined ) return;
+
+ for ( var i = 0; i < mesh.childNodes.length; i ++ ) {
+
+ var child = mesh.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ var id = child.getAttribute( 'id' );
+
+ switch ( child.nodeName ) {
+
+ case 'source':
+ data.sources[ id ] = parseSource( child );
+ break;
+
+ case 'vertices':
+ // data.sources[ id ] = data.sources[ parseId( getElementsByTagName( child, 'input' )[ 0 ].getAttribute( 'source' ) ) ];
+ data.vertices = parseGeometryVertices( child );
+ break;
+
+ case 'polygons':
+ console.warn( 'THREE.ColladaLoader: Unsupported primitive type: ', child.nodeName );
+ break;
+
+ case 'lines':
+ case 'linestrips':
+ case 'polylist':
+ case 'triangles':
+ data.primitives.push( parseGeometryPrimitive( child ) );
+ break;
+
+ default:
+ console.log( child );
+
+ }
+
+ }
+
+ library.geometries[ xml.getAttribute( 'id' ) ] = data;
+
+ }
+
+ function parseSource( xml ) {
+
+ var data = {
+ array: [],
+ stride: 3
+ };
+
+ for ( var i = 0; i < xml.childNodes.length; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'float_array':
+ data.array = parseFloats( child.textContent );
+ break;
+
+ case 'Name_array':
+ data.array = parseStrings( child.textContent );
+ break;
+
+ case 'technique_common':
+ var accessor = getElementsByTagName( child, 'accessor' )[ 0 ];
+
+ if ( accessor !== undefined ) {
+
+ data.stride = parseInt( accessor.getAttribute( 'stride' ) );
+
+ }
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function parseGeometryVertices( xml ) {
+
+ var data = {};
+
+ for ( var i = 0; i < xml.childNodes.length; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ data[ child.getAttribute( 'semantic' ) ] = parseId( child.getAttribute( 'source' ) );
+
+ }
+
+ return data;
+
+ }
+
+ function parseGeometryPrimitive( xml ) {
+
+ var primitive = {
+ type: xml.nodeName,
+ material: xml.getAttribute( 'material' ),
+ count: parseInt( xml.getAttribute( 'count' ) ),
+ inputs: {},
+ stride: 0
+ };
+
+ for ( var i = 0, l = xml.childNodes.length; i < l; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'input':
+ var id = parseId( child.getAttribute( 'source' ) );
+ var semantic = child.getAttribute( 'semantic' );
+ var offset = parseInt( child.getAttribute( 'offset' ) );
+ primitive.inputs[ semantic ] = { id: id, offset: offset };
+ primitive.stride = Math.max( primitive.stride, offset + 1 );
+ break;
+
+ case 'vcount':
+ primitive.vcount = parseInts( child.textContent );
+ break;
+
+ case 'p':
+ primitive.p = parseInts( child.textContent );
+ break;
+
+ }
+
+ }
+
+ return primitive;
+
+ }
+
+ function groupPrimitives( primitives ) {
+
+ var build = {};
+
+ for ( var i = 0; i < primitives.length; i ++ ) {
+
+ var primitive = primitives[ i ];
+
+ if ( build[ primitive.type ] === undefined ) build[ primitive.type ] = [];
+
+ build[ primitive.type ].push( primitive );
+
+ }
+
+ return build;
+
+ }
+
+ function buildGeometry( data ) {
+
+ var build = {};
+
+ var sources = data.sources;
+ var vertices = data.vertices;
+ var primitives = data.primitives;
+
+ if ( primitives.length === 0 ) return {};
+
+ // our goal is to create one buffer geoemtry for a single type of primitives
+ // first, we group all primitives by their type
+
+ var groupedPrimitives = groupPrimitives( primitives );
+
+ for ( var type in groupedPrimitives ) {
+
+ // second, we create for each type of primitives (polylist,triangles or lines) a buffer geometry
+
+ build[ type ] = buildGeometryType( groupedPrimitives[ type ], sources, vertices );
+
+ }
+
+ return build;
+
+ }
+
+ function buildGeometryType( primitives, sources, vertices ) {
+
+ var build = {};
+
+ var position = { array: [], stride: 0 };
+ var normal = { array: [], stride: 0 };
+ var uv = { array: [], stride: 0 };
+ var color = { array: [], stride: 0 };
+
+ var skinIndex = { array: [], stride: 4 };
+ var skinWeight = { array: [], stride: 4 };
+
+ var geometry = new THREE.BufferGeometry();
+
+ var materialKeys = [];
+
+ var start = 0, count = 0;
+
+ for ( var p = 0; p < primitives.length; p ++ ) {
+
+ var primitive = primitives[ p ];
+ var inputs = primitive.inputs;
+ var triangleCount = 1;
+
+ if ( primitive.vcount && primitive.vcount[ 0 ] === 4 ) {
+
+ triangleCount = 2; // one quad -> two triangles
+
+ }
+
+ // groups
+
+ if ( primitive.type === 'lines' || primitive.type === 'linestrips' ) {
+
+ count = primitive.count * 2;
+
+ } else {
+
+ count = primitive.count * 3 * triangleCount;
+
+ }
+
+ geometry.addGroup( start, count, p );
+ start += count;
+
+ // material
+
+ if ( primitive.material ) {
+
+ materialKeys.push( primitive.material );
+
+ }
+
+ // geometry data
+
+ for ( var name in inputs ) {
+
+ var input = inputs[ name ];
+
+ switch ( name ) {
+
+ case 'VERTEX':
+ for ( var key in vertices ) {
+
+ var id = vertices[ key ];
+
+ switch ( key ) {
+
+ case 'POSITION':
+ buildGeometryData( primitive, sources[ id ], input.offset, position.array );
+ position.stride = sources[ id ].stride;
+
+ if ( sources.skinWeights && sources.skinIndices ) {
+
+ buildGeometryData( primitive, sources.skinIndices, input.offset, skinIndex.array );
+ buildGeometryData( primitive, sources.skinWeights, input.offset, skinWeight.array );
+
+ }
+ break;
+
+ case 'NORMAL':
+ buildGeometryData( primitive, sources[ id ], input.offset, normal.array );
+ normal.stride = sources[ id ].stride;
+ break;
+
+ case 'COLOR':
+ buildGeometryData( primitive, sources[ id ], input.offset, color.array );
+ color.stride = sources[ id ].stride;
+ break;
+
+ case 'TEXCOORD':
+ buildGeometryData( primitive, sources[ id ], input.offset, uv.array );
+ uv.stride = sources[ id ].stride;
+ break;
+
+ default:
+ console.warn( 'THREE.ColladaLoader: Semantic "%s" not handled in geometry build process.', key );
+
+ }
+
+ }
+ break;
+
+ case 'NORMAL':
+ buildGeometryData( primitive, sources[ input.id ], input.offset, normal.array );
+ normal.stride = sources[ input.id ].stride;
+ break;
+
+ case 'COLOR':
+ buildGeometryData( primitive, sources[ input.id ], input.offset, color.array );
+ color.stride = sources[ input.id ].stride;
+ break;
+
+ case 'TEXCOORD':
+ buildGeometryData( primitive, sources[ input.id ], input.offset, uv.array );
+ uv.stride = sources[ input.id ].stride;
+ break;
+
+ }
+
+ }
+
+ }
+
+ // build geometry
+
+ if ( position.array.length > 0 ) geometry.addAttribute( 'position', new THREE.Float32BufferAttribute( position.array, position.stride ) );
+ if ( normal.array.length > 0 ) geometry.addAttribute( 'normal', new THREE.Float32BufferAttribute( normal.array, normal.stride ) );
+ if ( color.array.length > 0 ) geometry.addAttribute( 'color', new THREE.Float32BufferAttribute( color.array, color.stride ) );
+ if ( uv.array.length > 0 ) geometry.addAttribute( 'uv', new THREE.Float32BufferAttribute( uv.array, uv.stride ) );
+
+ if ( skinIndex.array.length > 0 ) geometry.addAttribute( 'skinIndex', new THREE.Float32BufferAttribute( skinIndex.array, skinIndex.stride ) );
+ if ( skinWeight.array.length > 0 ) geometry.addAttribute( 'skinWeight', new THREE.Float32BufferAttribute( skinWeight.array, skinWeight.stride ) );
+
+ build.data = geometry;
+ build.type = primitives[ 0 ].type;
+ build.materialKeys = materialKeys;
+
+ return build;
+
+ }
+
+ function buildGeometryData( primitive, source, offset, array ) {
+
+ var indices = primitive.p;
+ var stride = primitive.stride;
+ var vcount = primitive.vcount;
+
+ function pushVector( i ) {
+
+ var index = indices[ i + offset ] * sourceStride;
+ var length = index + sourceStride;
+
+ for ( ; index < length; index ++ ) {
+
+ array.push( sourceArray[ index ] );
+
+ }
+
+ }
+
+ var maxcount = 0;
+
+ var sourceArray = source.array;
+ var sourceStride = source.stride;
+
+ if ( primitive.vcount !== undefined ) {
+
+ var index = 0;
+
+ for ( var i = 0, l = vcount.length; i < l; i ++ ) {
+
+ var count = vcount[ i ];
+
+ if ( count === 4 ) {
+
+ var a = index + stride * 0;
+ var b = index + stride * 1;
+ var c = index + stride * 2;
+ var d = index + stride * 3;
+
+ pushVector( a ); pushVector( b ); pushVector( d );
+ pushVector( b ); pushVector( c ); pushVector( d );
+
+ } else if ( count === 3 ) {
+
+ var a = index + stride * 0;
+ var b = index + stride * 1;
+ var c = index + stride * 2;
+
+ pushVector( a ); pushVector( b ); pushVector( c );
+
+ } else {
+
+ maxcount = Math.max( maxcount, count );
+
+ }
+
+ index += stride * count;
+
+ }
+
+ if ( maxcount > 0 ) {
+
+ console.log( 'THREE.ColladaLoader: Geometry has faces with more than 4 vertices.' );
+
+ }
+
+ } else {
+
+ for ( var i = 0, l = indices.length; i < l; i += stride ) {
+
+ pushVector( i );
+
+ }
+
+ }
+
+ }
+
+ function getGeometry( id ) {
+
+ return getBuild( library.geometries[ id ], buildGeometry );
+
+ }
+
+ // kinematics
+
+ function parseKinematicsModel( xml ) {
+
+ var data = {
+ name: xml.getAttribute( 'name' ) || '',
+ joints: {},
+ links: []
+ };
+
+ for ( var i = 0; i < xml.childNodes.length; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'technique_common':
+ parseKinematicsTechniqueCommon( child, data );
+ break;
+
+ }
+
+ }
+
+ library.kinematicsModels[ xml.getAttribute( 'id' ) ] = data;
+
+ }
+
+ function buildKinematicsModel( data ) {
+
+ if ( data.build !== undefined ) return data.build;
+
+ return data;
+
+ }
+
+ function getKinematicsModel( id ) {
+
+ return getBuild( library.kinematicsModels[ id ], buildKinematicsModel );
+
+ }
+
+ function parseKinematicsTechniqueCommon( xml, data ) {
+
+ for ( var i = 0; i < xml.childNodes.length; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'joint':
+ data.joints[ child.getAttribute( 'sid' ) ] = parseKinematicsJoint( child );
+ break;
+
+ case 'link':
+ data.links.push( parseKinematicsLink( child ) );
+ break;
+
+ }
+
+ }
+
+ }
+
+ function parseKinematicsJoint( xml ) {
+
+ var data;
+
+ for ( var i = 0; i < xml.childNodes.length; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'prismatic':
+ case 'revolute':
+ data = parseKinematicsJointParameter( child );
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function parseKinematicsJointParameter( xml, data ) {
+
+ var data = {
+ sid: xml.getAttribute( 'sid' ),
+ name: xml.getAttribute( 'name' ) || '',
+ axis: new THREE.Vector3(),
+ limits: {
+ min: 0,
+ max: 0
+ },
+ type: xml.nodeName,
+ static: false,
+ zeroPosition: 0,
+ middlePosition: 0
+ };
+
+ for ( var i = 0; i < xml.childNodes.length; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'axis':
+ var array = parseFloats( child.textContent );
+ data.axis.fromArray( array );
+ break;
+ case 'limits':
+ var max = child.getElementsByTagName( 'max' )[ 0 ];
+ var min = child.getElementsByTagName( 'min' )[ 0 ];
+
+ data.limits.max = parseFloat( max.textContent );
+ data.limits.min = parseFloat( min.textContent );
+ break;
+
+ }
+
+ }
+
+ // if min is equal to or greater than max, consider the joint static
+
+ if ( data.limits.min >= data.limits.max ) {
+
+ data.static = true;
+
+ }
+
+ // calculate middle position
+
+ data.middlePosition = ( data.limits.min + data.limits.max ) / 2.0;
+
+ return data;
+
+ }
+
+ function parseKinematicsLink( xml ) {
+
+ var data = {
+ sid: xml.getAttribute( 'sid' ),
+ name: xml.getAttribute( 'name' ) || '',
+ attachments: [],
+ transforms: []
+ };
+
+ for ( var i = 0; i < xml.childNodes.length; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'attachment_full':
+ data.attachments.push( parseKinematicsAttachment( child ) );
+ break;
+
+ case 'matrix':
+ case 'translate':
+ case 'rotate':
+ data.transforms.push( parseKinematicsTransform( child ) );
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function parseKinematicsAttachment( xml ) {
+
+ var data = {
+ joint: xml.getAttribute( 'joint' ).split( '/' ).pop(),
+ transforms: [],
+ links: []
+ };
+
+ for ( var i = 0; i < xml.childNodes.length; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'link':
+ data.links.push( parseKinematicsLink( child ) );
+ break;
+
+ case 'matrix':
+ case 'translate':
+ case 'rotate':
+ data.transforms.push( parseKinematicsTransform( child ) );
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function parseKinematicsTransform( xml ) {
+
+ var data = {
+ type: xml.nodeName
+ };
+
+ var array = parseFloats( xml.textContent );
+
+ switch ( data.type ) {
+
+ case 'matrix':
+ data.obj = new THREE.Matrix4();
+ data.obj.fromArray( array ).transpose();
+ break;
+
+ case 'translate':
+ data.obj = new THREE.Vector3();
+ data.obj.fromArray( array );
+ break;
+
+ case 'rotate':
+ data.obj = new THREE.Vector3();
+ data.obj.fromArray( array );
+ data.angle = THREE.Math.degToRad( array[ 3 ] );
+ break;
+
+ }
+
+ return data;
+
+ }
+
+ function parseKinematicsScene( xml ) {
+
+ var data = {
+ bindJointAxis: []
+ };
+
+ for ( var i = 0; i < xml.childNodes.length; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'bind_joint_axis':
+ data.bindJointAxis.push( parseKinematicsBindJointAxis( child ) );
+ break;
+
+ }
+
+ }
+
+ library.kinematicsScenes[ parseId( xml.getAttribute( 'url' ) ) ] = data;
+
+ }
+
+ function parseKinematicsBindJointAxis( xml ) {
+
+ var data = {
+ target: xml.getAttribute( 'target' ).split( '/' ).pop()
+ };
+
+ for ( var i = 0; i < xml.childNodes.length; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'axis':
+ var param = child.getElementsByTagName( 'param' )[ 0 ];
+ data.axis = param.textContent;
+ var tmpJointIndex = data.axis.split( 'inst_' ).pop().split( 'axis' )[ 0 ];
+ data.jointIndex = tmpJointIndex.substr( 0, tmpJointIndex.length - 1 );
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function buildKinematicsScene( data ) {
+
+ if ( data.build !== undefined ) return data.build;
+
+ return data;
+
+ }
+
+ function getKinematicsScene( id ) {
+
+ return getBuild( library.kinematicsScenes[ id ], buildKinematicsScene );
+
+ }
+
+ function setupKinematics() {
+
+ var kinematicsModelId = Object.keys( library.kinematicsModels )[ 0 ];
+ var kinematicsSceneId = Object.keys( library.kinematicsScenes )[ 0 ];
+ var visualSceneId = Object.keys( library.visualScenes )[ 0 ];
+
+ if ( kinematicsModelId === undefined || kinematicsSceneId === undefined ) return;
+
+ var kinematicsModel = getKinematicsModel( kinematicsModelId );
+ var kinematicsScene = getKinematicsScene( kinematicsSceneId );
+ var visualScene = getVisualScene( visualSceneId );
+
+ var bindJointAxis = kinematicsScene.bindJointAxis;
+ var jointMap = {};
+
+ for ( var i = 0, l = bindJointAxis.length; i < l; i ++ ) {
+
+ var axis = bindJointAxis[ i ];
+
+ // the result of the following query is an element of type 'translate', 'rotate','scale' or 'matrix'
+
+ var targetElement = collada.querySelector( '[sid="' + axis.target + '"]' );
+
+ if ( targetElement ) {
+
+ // get the parent of the transfrom element
+
+ var parentVisualElement = targetElement.parentElement;
+
+ // connect the joint of the kinematics model with the element in the visual scene
+
+ connect( axis.jointIndex, parentVisualElement );
+
+ }
+
+ }
+
+ function connect( jointIndex, visualElement ) {
+
+ var visualElementName = visualElement.getAttribute( 'name' );
+ var joint = kinematicsModel.joints[ jointIndex ];
+
+ visualScene.traverse( function ( object ) {
+
+ if ( object.name === visualElementName ) {
+
+ jointMap[ jointIndex ] = {
+ object: object,
+ transforms: buildTransformList( visualElement ),
+ joint: joint,
+ position: joint.zeroPosition
+ };
+
+ }
+
+ } );
+
+ }
+
+ var m0 = new THREE.Matrix4();
+
+ kinematics = {
+
+ joints: kinematicsModel && kinematicsModel.joints,
+
+ getJointValue: function ( jointIndex ) {
+
+ var jointData = jointMap[ jointIndex ];
+
+ if ( jointData ) {
+
+ return jointData.position;
+
+ } else {
+
+ console.warn( 'THREE.ColladaLoader: Joint ' + jointIndex + ' doesn\'t exist.' );
+
+ }
+
+ },
+
+ setJointValue: function ( jointIndex, value ) {
+
+ var jointData = jointMap[ jointIndex ];
+
+ if ( jointData ) {
+
+ var joint = jointData.joint;
+
+ if ( value > joint.limits.max || value < joint.limits.min ) {
+
+ console.warn( 'THREE.ColladaLoader: Joint ' + jointIndex + ' value ' + value + ' outside of limits (min: ' + joint.limits.min + ', max: ' + joint.limits.max + ').' );
+
+ } else if ( joint.static ) {
+
+ console.warn( 'THREE.ColladaLoader: Joint ' + jointIndex + ' is static.' );
+
+ } else {
+
+ var object = jointData.object;
+ var axis = joint.axis;
+ var transforms = jointData.transforms;
+
+ matrix.identity();
+
+ // each update, we have to apply all transforms in the correct order
+
+ for ( var i = 0; i < transforms.length; i ++ ) {
+
+ var transform = transforms[ i ];
+
+ // if there is a connection of the transform node with a joint, apply the joint value
+
+ if ( transform.sid && transform.sid.indexOf( jointIndex ) !== - 1 ) {
+
+ switch ( joint.type ) {
+
+ case 'revolute':
+ matrix.multiply( m0.makeRotationAxis( axis, THREE.Math.degToRad( value ) ) );
+ break;
+
+ case 'prismatic':
+ matrix.multiply( m0.makeTranslation( axis.x * value, axis.y * value, axis.z * value ) );
+ break;
+
+ default:
+ console.warn( 'THREE.ColladaLoader: Unknown joint type: ' + joint.type );
+ break;
+
+ }
+
+ } else {
+
+ switch ( transform.type ) {
+
+ case 'matrix':
+ matrix.multiply( transform.obj );
+ break;
+
+ case 'translate':
+ matrix.multiply( m0.makeTranslation( transform.obj.x, transform.obj.y, transform.obj.z ) );
+ break;
+
+ case 'scale':
+ matrix.scale( transform.obj );
+ break;
+
+ case 'rotate':
+ matrix.multiply( m0.makeRotationAxis( transform.obj, transform.angle ) );
+ break;
+
+ }
+
+ }
+
+ }
+
+ object.matrix.copy( matrix );
+ object.matrix.decompose( object.position, object.quaternion, object.scale );
+
+ jointMap[ jointIndex ].position = value;
+
+ }
+
+ } else {
+
+ console.log( 'THREE.ColladaLoader: ' + jointIndex + ' does not exist.' );
+
+ }
+
+ }
+
+ };
+
+ }
+
+ function buildTransformList( node ) {
+
+ var transforms = [];
+
+ var xml = collada.querySelector( '[id="' + node.id + '"]' );
+
+ for ( var i = 0; i < xml.childNodes.length; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'matrix':
+ var array = parseFloats( child.textContent );
+ var matrix = new THREE.Matrix4().fromArray( array ).transpose();
+ transforms.push( {
+ sid: child.getAttribute( 'sid' ),
+ type: child.nodeName,
+ obj: matrix
+ } );
+ break;
+
+ case 'translate':
+ case 'scale':
+ var array = parseFloats( child.textContent );
+ var vector = new THREE.Vector3().fromArray( array );
+ transforms.push( {
+ sid: child.getAttribute( 'sid' ),
+ type: child.nodeName,
+ obj: vector
+ } );
+ break;
+
+ case 'rotate':
+ var array = parseFloats( child.textContent );
+ var vector = new THREE.Vector3().fromArray( array );
+ var angle = THREE.Math.degToRad( array[ 3 ] );
+ transforms.push( {
+ sid: child.getAttribute( 'sid' ),
+ type: child.nodeName,
+ obj: vector,
+ angle: angle
+ } );
+ break;
+
+ }
+
+ }
+
+ return transforms;
+
+ }
+
+ // nodes
+
+ function prepareNodes( xml ) {
+
+ var elements = xml.getElementsByTagName( 'node' );
+
+ // ensure all node elements have id attributes
+
+ for ( var i = 0; i < elements.length; i ++ ) {
+
+ var element = elements[ i ];
+
+ if ( element.hasAttribute( 'id' ) === false ) {
+
+ element.setAttribute( 'id', generateId() );
+
+ }
+
+ }
+
+ }
+
+ var matrix = new THREE.Matrix4();
+ var vector = new THREE.Vector3();
+
+ function parseNode( xml ) {
+
+ var data = {
+ name: xml.getAttribute( 'name' ) || '',
+ type: xml.getAttribute( 'type' ),
+ id: xml.getAttribute( 'id' ),
+ sid: xml.getAttribute( 'sid' ),
+ matrix: new THREE.Matrix4(),
+ nodes: [],
+ instanceCameras: [],
+ instanceControllers: [],
+ instanceLights: [],
+ instanceGeometries: [],
+ instanceNodes: [],
+ transforms: {}
+ };
+
+ for ( var i = 0; i < xml.childNodes.length; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ if ( child.nodeType !== 1 ) continue;
+
+ switch ( child.nodeName ) {
+
+ case 'node':
+ data.nodes.push( child.getAttribute( 'id' ) );
+ parseNode( child );
+ break;
+
+ case 'instance_camera':
+ data.instanceCameras.push( parseId( child.getAttribute( 'url' ) ) );
+ break;
+
+ case 'instance_controller':
+ data.instanceControllers.push( parseNodeInstance( child ) );
+ break;
+
+ case 'instance_light':
+ data.instanceLights.push( parseId( child.getAttribute( 'url' ) ) );
+ break;
+
+ case 'instance_geometry':
+ data.instanceGeometries.push( parseNodeInstance( child ) );
+ break;
+
+ case 'instance_node':
+ data.instanceNodes.push( parseId( child.getAttribute( 'url' ) ) );
+ break;
+
+ case 'matrix':
+ var array = parseFloats( child.textContent );
+ data.matrix.multiply( matrix.fromArray( array ).transpose() );
+ data.transforms[ child.getAttribute( 'sid' ) ] = child.nodeName;
+ break;
+
+ case 'translate':
+ var array = parseFloats( child.textContent );
+ vector.fromArray( array );
+ data.matrix.multiply( matrix.makeTranslation( vector.x, vector.y, vector.z ) );
+ data.transforms[ child.getAttribute( 'sid' ) ] = child.nodeName;
+ break;
+
+ case 'rotate':
+ var array = parseFloats( child.textContent );
+ var angle = THREE.Math.degToRad( array[ 3 ] );
+ data.matrix.multiply( matrix.makeRotationAxis( vector.fromArray( array ), angle ) );
+ data.transforms[ child.getAttribute( 'sid' ) ] = child.nodeName;
+ break;
+
+ case 'scale':
+ var array = parseFloats( child.textContent );
+ data.matrix.scale( vector.fromArray( array ) );
+ data.transforms[ child.getAttribute( 'sid' ) ] = child.nodeName;
+ break;
+
+ case 'extra':
+ break;
+
+ default:
+ console.log( child );
+
+ }
+
+ }
+
+ library.nodes[ data.id ] = data;
+
+ return data;
+
+ }
+
+ function parseNodeInstance( xml ) {
+
+ var data = {
+ id: parseId( xml.getAttribute( 'url' ) ),
+ materials: {},
+ skeletons: []
+ };
+
+ for ( var i = 0; i < xml.childNodes.length; i ++ ) {
+
+ var child = xml.childNodes[ i ];
+
+ switch ( child.nodeName ) {
+
+ case 'bind_material':
+ var instances = child.getElementsByTagName( 'instance_material' );
+
+ for ( var j = 0; j < instances.length; j ++ ) {
+
+ var instance = instances[ j ];
+ var symbol = instance.getAttribute( 'symbol' );
+ var target = instance.getAttribute( 'target' );
+
+ data.materials[ symbol ] = parseId( target );
+
+ }
+
+ break;
+
+ case 'skeleton':
+ data.skeletons.push( parseId( child.textContent ) );
+ break;
+
+ default:
+ break;
+
+ }
+
+ }
+
+ return data;
+
+ }
+
+ function buildSkeleton( skeletons, joints ) {
+
+ var boneData = [];
+ var sortedBoneData = [];
+
+ var i, j, data;
+
+ // a skeleton can have multiple root bones. collada expresses this
+ // situtation with multiple "skeleton" tags per controller instance
+
+ for ( i = 0; i < skeletons.length; i ++ ) {
+
+ var skeleton = skeletons[ i ];
+ var root = getNode( skeleton );
+
+ // setup bone data for a single bone hierarchy
+
+ buildBoneHierarchy( root, joints, boneData );
+
+ }
+
+ // sort bone data (the order is defined in the corresponding controller)
+
+ for ( i = 0; i < joints.length; i ++ ) {
+
+ for ( j = 0; j < boneData.length; j ++ ) {
+
+ data = boneData[ j ];
+
+ if ( data.bone.name === joints[ i ].name ) {
+
+ sortedBoneData[ i ] = data;
+ data.processed = true;
+ break;
+
+ }
+
+ }
+
+ }
+
+ // add unprocessed bone data at the end of the list
+
+ for ( i = 0; i < boneData.length; i ++ ) {
+
+ data = boneData[ i ];
+
+ if ( data.processed === false ) {
+
+ sortedBoneData.push( data );
+ data.processed = true;
+
+ }
+
+ }
+
+ // setup arrays for skeleton creation
+
+ var bones = [];
+ var boneInverses = [];
+
+ for ( i = 0; i < sortedBoneData.length; i ++ ) {
+
+ data = sortedBoneData[ i ];
+
+ bones.push( data.bone );
+ boneInverses.push( data.boneInverse );
+
+ }
+
+ return new THREE.Skeleton( bones, boneInverses );
+
+ }
+
+ function buildBoneHierarchy( root, joints, boneData ) {
+
+ // setup bone data from visual scene
+
+ root.traverse( function ( object ) {
+
+ if ( object.isBone === true ) {
+
+ var boneInverse;
+
+ // retrieve the boneInverse from the controller data
+
+ for ( var i = 0; i < joints.length; i ++ ) {
+
+ var joint = joints[ i ];
+
+ if ( joint.name === object.name ) {
+
+ boneInverse = joint.boneInverse;
+ break;
+
+ }
+
+ }
+
+ if ( boneInverse === undefined ) {
+
+ // Unfortunately, there can be joints in the visual scene that are not part of the
+ // corresponding controller. In this case, we have to create a dummy boneInverse matrix
+ // for the respective bone. This bone won't affect any vertices, because there are no skin indices
+ // and weights defined for it. But we still have to add the bone to the sorted bone list in order to
+ // ensure a correct animation of the model.
+
+ boneInverse = new THREE.Matrix4();
+
+ }
+
+ boneData.push( { bone: object, boneInverse: boneInverse, processed: false } );
+
+ }
+
+ } );
+
+ }
+
+ function buildNode( data ) {
+
+ var objects = [];
+
+ var matrix = data.matrix;
+ var nodes = data.nodes;
+ var type = data.type;
+ var instanceCameras = data.instanceCameras;
+ var instanceControllers = data.instanceControllers;
+ var instanceLights = data.instanceLights;
+ var instanceGeometries = data.instanceGeometries;
+ var instanceNodes = data.instanceNodes;
+
+ // nodes
+
+ for ( var i = 0, l = nodes.length; i < l; i ++ ) {
+
+ objects.push( getNode( nodes[ i ] ) );
+
+ }
+
+ // instance cameras
+
+ for ( var i = 0, l = instanceCameras.length; i < l; i ++ ) {
+
+ var instanceCamera = getCamera( instanceCameras[ i ] );
+
+ if ( instanceCamera !== null ) {
+
+ objects.push( instanceCamera.clone() );
+
+ }
+
+ }
+
+ // instance controllers
+
+ for ( var i = 0, l = instanceControllers.length; i < l; i ++ ) {
+
+ var instance = instanceControllers[ i ];
+ var controller = getController( instance.id );
+ var geometries = getGeometry( controller.id );
+ var newObjects = buildObjects( geometries, instance.materials );
+
+ var skeletons = instance.skeletons;
+ var joints = controller.skin.joints;
+
+ var skeleton = buildSkeleton( skeletons, joints );
+
+ for ( var j = 0, jl = newObjects.length; j < jl; j ++ ) {
+
+ var object = newObjects[ j ];
+
+ if ( object.isSkinnedMesh ) {
+
+ object.bind( skeleton, controller.skin.bindMatrix );
+ object.normalizeSkinWeights();
+
+ }
+
+ objects.push( object );
+
+ }
+
+ }
+
+ // instance lights
+
+ for ( var i = 0, l = instanceLights.length; i < l; i ++ ) {
+
+ var instanceLight = getLight( instanceLights[ i ] );
+
+ if ( instanceLight !== null ) {
+
+ objects.push( instanceLight.clone() );
+
+ }
+
+ }
+
+ // instance geometries
+
+ for ( var i = 0, l = instanceGeometries.length; i < l; i ++ ) {
+
+ var instance = instanceGeometries[ i ];
+
+ // a single geometry instance in collada can lead to multiple object3Ds.
+ // this is the case when primitives are combined like triangles and lines
+
+ var geometries = getGeometry( instance.id );
+ var newObjects = buildObjects( geometries, instance.materials );
+
+ for ( var j = 0, jl = newObjects.length; j < jl; j ++ ) {
+
+ objects.push( newObjects[ j ] );
+
+ }
+
+ }
+
+ // instance nodes
+
+ for ( var i = 0, l = instanceNodes.length; i < l; i ++ ) {
+
+ objects.push( getNode( instanceNodes[ i ] ).clone() );
+
+ }
+
+ var object;
+
+ if ( nodes.length === 0 && objects.length === 1 ) {
+
+ object = objects[ 0 ];
+
+ } else {
+
+ object = ( type === 'JOINT' ) ? new THREE.Bone() : new THREE.Group();
+
+ for ( var i = 0; i < objects.length; i ++ ) {
+
+ object.add( objects[ i ] );
+
+ }
+
+ }
+
+ object.name = ( type === 'JOINT' ) ? data.sid : data.name;
+ object.matrix.copy( matrix );
+ object.matrix.decompose( object.position, object.quaternion, object.scale );
+
+ return object;
+
+ }
+
+ function resolveMaterialBinding( keys, instanceMaterials ) {
+
+ var materials = [];
+
+ for ( var i = 0, l = keys.length; i < l; i ++ ) {
+
+ var id = instanceMaterials[ keys[ i ] ];
+ materials.push( getMaterial( id ) );
+
+ }
+
+ return materials;
+
+ }
+
+ function buildObjects( geometries, instanceMaterials ) {
+
+ var objects = [];
+
+ for ( var type in geometries ) {
+
+ var geometry = geometries[ type ];
+
+ var materials = resolveMaterialBinding( geometry.materialKeys, instanceMaterials );
+
+ // handle case if no materials are defined
+
+ if ( materials.length === 0 ) {
+
+ if ( type === 'lines' || type === 'linestrips' ) {
+
+ materials.push( new THREE.LineBasicMaterial() );
+
+ } else {
+
+ materials.push( new THREE.MeshPhongMaterial() );
+
+ }
+
+ }
+
+ // regard skinning
+
+ var skinning = ( geometry.data.attributes.skinIndex !== undefined );
+
+ if ( skinning ) {
+
+ for ( var i = 0, l = materials.length; i < l; i ++ ) {
+
+ materials[ i ].skinning = true;
+
+ }
+
+ }
+
+ // choose between a single or multi materials (material array)
+
+ var material = ( materials.length === 1 ) ? materials[ 0 ] : materials;
+
+ // now create a specific 3D object
+
+ var object;
+
+ switch ( type ) {
+
+ case 'lines':
+ object = new THREE.LineSegments( geometry.data, material );
+ break;
+
+ case 'linestrips':
+ object = new THREE.Line( geometry.data, material );
+ break;
+
+ case 'triangles':
+ case 'polylist':
+ if ( skinning ) {
+
+ object = new THREE.SkinnedMesh( geometry.data, material );
+
+ } else {
+
+ object = new THREE.Mesh( geometry.data, material );
+
+ }
+ break;
+
+ }
+
+ objects.push( object );
+
+ }
+
+ return objects;
+
+ }
+
+ function getNode( id ) {
+
+ return getBuild( library.nodes[ id ], buildNode );
+
+ }
+
+ // visual scenes
+
+ function parseVisualScene( xml ) {
+
+ var data = {
+ name: xml.getAttribute( 'name' ),
+ children: []
+ };
+
+ prepareNodes( xml );
+
+ var elements = getElementsByTagName( xml, 'node' );
+
+ for ( var i = 0; i < elements.length; i ++ ) {
+
+ data.children.push( parseNode( elements[ i ] ) );
+
+ }
+
+ library.visualScenes[ xml.getAttribute( 'id' ) ] = data;
+
+ }
+
+ function buildVisualScene( data ) {
+
+ var group = new THREE.Group();
+ group.name = data.name;
+
+ var children = data.children;
+
+ for ( var i = 0; i < children.length; i ++ ) {
+
+ var child = children[ i ];
+
+ if ( child.id === null ) {
+
+ group.add( buildNode( child ) );
+
+ } else {
+
+ // if there is an ID, let's try to get the finished build (e.g. joints are already build)
+
+ group.add( getNode( child.id ) );
+
+ }
+
+ }
+
+ return group;
+
+ }
+
+ function getVisualScene( id ) {
+
+ return getBuild( library.visualScenes[ id ], buildVisualScene );
+
+ }
+
+ // scenes
+
+ function parseScene( xml ) {
+
+ var instance = getElementsByTagName( xml, 'instance_visual_scene' )[ 0 ];
+ return getVisualScene( parseId( instance.getAttribute( 'url' ) ) );
+
+ }
+
+ function setupAnimations() {
+
+ var clips = library.clips;
+
+ if ( isEmpty( clips ) === true ) {
+
+ if ( isEmpty( library.animations ) === false ) {
+
+ // if there are animations but no clips, we create a default clip for playback
+
+ var tracks = [];
+
+ for ( var id in library.animations ) {
+
+ var animationTracks = getAnimation( id );
+
+ for ( var i = 0, l = animationTracks.length; i < l; i ++ ) {
+
+ tracks.push( animationTracks[ i ] );
+
+ }
+
+ }
+
+ animations.push( new THREE.AnimationClip( 'default', - 1, tracks ) );
+
+ }
+
+ } else {
+
+ for ( var id in clips ) {
+
+ animations.push( getAnimationClip( id ) );
+
+ }
+
+ }
+
+ }
+
+ console.time( 'THREE.ColladaLoader' );
+
+ if ( text.length === 0 ) {
+
+ return { scene: new THREE.Scene() };
+
+ }
+
+ console.time( 'THREE.ColladaLoader: DOMParser' );
+
+ var xml = new DOMParser().parseFromString( text, 'application/xml' );
+
+ console.timeEnd( 'THREE.ColladaLoader: DOMParser' );
+
+ var collada = getElementsByTagName( xml, 'COLLADA' )[ 0 ];
+
+ // metadata
+
+ var version = collada.getAttribute( 'version' );
+ console.log( 'THREE.ColladaLoader: File version', version );
+
+ var asset = parseAsset( getElementsByTagName( collada, 'asset' )[ 0 ] );
+ var textureLoader = new THREE.TextureLoader( this.manager );
+ textureLoader.setPath( path ).setCrossOrigin( this.crossOrigin );
+
+ //
+
+ var animations = [];
+ var kinematics = {};
+ var count = 0;
+
+ //
+
+ var library = {
+ animations: {},
+ clips: {},
+ controllers: {},
+ images: {},
+ effects: {},
+ materials: {},
+ cameras: {},
+ lights: {},
+ geometries: {},
+ nodes: {},
+ visualScenes: {},
+ kinematicsModels: {},
+ kinematicsScenes: {}
+ };
+
+ console.time( 'THREE.ColladaLoader: Parse' );
+
+ parseLibrary( collada, 'library_animations', 'animation', parseAnimation );
+ parseLibrary( collada, 'library_animation_clips', 'animation_clip', parseAnimationClip );
+ parseLibrary( collada, 'library_controllers', 'controller', parseController );
+ parseLibrary( collada, 'library_images', 'image', parseImage );
+ parseLibrary( collada, 'library_effects', 'effect', parseEffect );
+ parseLibrary( collada, 'library_materials', 'material', parseMaterial );
+ parseLibrary( collada, 'library_cameras', 'camera', parseCamera );
+ parseLibrary( collada, 'library_lights', 'light', parseLight );
+ parseLibrary( collada, 'library_geometries', 'geometry', parseGeometry );
+ parseLibrary( collada, 'library_nodes', 'node', parseNode );
+ parseLibrary( collada, 'library_visual_scenes', 'visual_scene', parseVisualScene );
+ parseLibrary( collada, 'library_kinematics_models', 'kinematics_model', parseKinematicsModel );
+ parseLibrary( collada, 'scene', 'instance_kinematics_scene', parseKinematicsScene );
+
+ console.timeEnd( 'THREE.ColladaLoader: Parse' );
+
+ console.time( 'THREE.ColladaLoader: Build' );
+
+ buildLibrary( library.animations, buildAnimation );
+ buildLibrary( library.clips, buildAnimationClip );
+ buildLibrary( library.controllers, buildController );
+ buildLibrary( library.images, buildImage );
+ buildLibrary( library.effects, buildEffect );
+ buildLibrary( library.materials, buildMaterial );
+ buildLibrary( library.cameras, buildCamera );
+ buildLibrary( library.lights, buildLight );
+ buildLibrary( library.geometries, buildGeometry );
+ buildLibrary( library.visualScenes, buildVisualScene );
+
+ console.timeEnd( 'THREE.ColladaLoader: Build' );
+
+ setupAnimations();
+ setupKinematics();
+
+ var scene = parseScene( getElementsByTagName( collada, 'scene' )[ 0 ] );
+
+ if ( asset.upAxis === 'Z_UP' ) {
+
+ scene.rotation.x = - Math.PI / 2;
+
+ }
+
+ scene.scale.multiplyScalar( asset.unit );
+
+ console.timeEnd( 'THREE.ColladaLoader' );
+
+ return {
+ animations: animations,
+ kinematics: kinematics,
+ library: library,
+ scene: scene
+ };
+
+ }
+
+};
+
+},{}],42:[function(_dereq_,module,exports){
+/**
+ * @author Rich Tibbett / https://github.com/richtr
+ * @author mrdoob / http://mrdoob.com/
+ * @author Tony Parisi / http://www.tonyparisi.com/
+ * @author Takahiro / https://github.com/takahirox
+ * @author Don McCurdy / https://www.donmccurdy.com
+ */
+
+THREE.GLTFLoader = ( function () {
+
+ function GLTFLoader( manager ) {
+
+ this.manager = ( manager !== undefined ) ? manager : THREE.DefaultLoadingManager;
+
+ }
+
+ GLTFLoader.prototype = {
+
+ constructor: GLTFLoader,
+
+ crossOrigin: 'Anonymous',
+
+ load: function ( url, onLoad, onProgress, onError ) {
+
+ var scope = this;
+
+ var path = this.path !== undefined ? this.path : THREE.LoaderUtils.extractUrlBase( url );
+
+ var loader = new THREE.FileLoader( scope.manager );
+
+ loader.setResponseType( 'arraybuffer' );
+
+ loader.load( url, function ( data ) {
+
+ try {
+
+ scope.parse( data, path, onLoad, onError );
+
+ } catch ( e ) {
+
+ if ( onError !== undefined ) {
+
+ onError( e );
+
+ } else {
+
+ throw e;
+
+ }
+
+ }
+
+ }, onProgress, onError );
+
+ },
+
+ setCrossOrigin: function ( value ) {
+
+ this.crossOrigin = value;
+ return this;
+
+ },
+
+ setPath: function ( value ) {
+
+ this.path = value;
+ return this;
+
+ },
+
+ parse: function ( data, path, onLoad, onError ) {
+
+ var content;
+ var extensions = {};
+
+ if ( typeof data === 'string' ) {
+
+ content = data;
+
+ } else {
+
+ var magic = THREE.LoaderUtils.decodeText( new Uint8Array( data, 0, 4 ) );
+
+ if ( magic === BINARY_EXTENSION_HEADER_MAGIC ) {
+
+ try {
+
+ extensions[ EXTENSIONS.KHR_BINARY_GLTF ] = new GLTFBinaryExtension( data );
+
+ } catch ( error ) {
+
+ if ( onError ) onError( error );
+ return;
+
+ }
+
+ content = extensions[ EXTENSIONS.KHR_BINARY_GLTF ].content;
+
+ } else {
+
+ content = THREE.LoaderUtils.decodeText( new Uint8Array( data ) );
+
+ }
+
+ }
+
+ var json = JSON.parse( content );
+
+ if ( json.asset === undefined || json.asset.version[ 0 ] < 2 ) {
+
+ if ( onError ) onError( new Error( 'THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported. Use LegacyGLTFLoader instead.' ) );
+ return;
+
+ }
+
+ if ( json.extensionsUsed ) {
+
+ if ( json.extensionsUsed.indexOf( EXTENSIONS.KHR_LIGHTS ) >= 0 ) {
+
+ extensions[ EXTENSIONS.KHR_LIGHTS ] = new GLTFLightsExtension( json );
+
+ }
+
+ if ( json.extensionsUsed.indexOf( EXTENSIONS.KHR_MATERIALS_COMMON ) >= 0 ) {
+
+ extensions[ EXTENSIONS.KHR_MATERIALS_COMMON ] = new GLTFMaterialsCommonExtension( json );
+
+ }
+
+ if ( json.extensionsUsed.indexOf( EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ) >= 0 ) {
+
+ extensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ] = new GLTFMaterialsPbrSpecularGlossinessExtension();
+
+ }
+
+ }
+
+ console.time( 'GLTFLoader' );
+
+ var parser = new GLTFParser( json, extensions, {
+
+ path: path || this.path || '',
+ crossOrigin: this.crossOrigin,
+ manager: this.manager
+
+ } );
+
+ parser.parse( function ( scene, scenes, cameras, animations, asset ) {
+
+ console.timeEnd( 'GLTFLoader' );
+
+ var glTF = {
+ scene: scene,
+ scenes: scenes,
+ cameras: cameras,
+ animations: animations,
+ asset: asset
+ };
+
+ onLoad( glTF );
+
+ }, onError );
+
+ }
+
+ };
+
+ /* GLTFREGISTRY */
+
+ function GLTFRegistry() {
+
+ var objects = {};
+
+ return {
+
+ get: function ( key ) {
+
+ return objects[ key ];
+
+ },
+
+ add: function ( key, object ) {
+
+ objects[ key ] = object;
+
+ },
+
+ remove: function ( key ) {
+
+ delete objects[ key ];
+
+ },
+
+ removeAll: function () {
+
+ objects = {};
+
+ }
+
+ };
+
+ }
+
+ /*********************************/
+ /********** EXTENSIONS ***********/
+ /*********************************/
+
+ var EXTENSIONS = {
+ KHR_BINARY_GLTF: 'KHR_binary_glTF',
+ KHR_LIGHTS: 'KHR_lights',
+ KHR_MATERIALS_COMMON: 'KHR_materials_common',
+ KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS: 'KHR_materials_pbrSpecularGlossiness'
+ };
+
+ /**
+ * Lights Extension
+ *
+ * Specification: PENDING
+ */
+ function GLTFLightsExtension( json ) {
+
+ this.name = EXTENSIONS.KHR_LIGHTS;
+
+ this.lights = {};
+
+ var extension = ( json.extensions && json.extensions[ EXTENSIONS.KHR_LIGHTS ] ) || {};
+ var lights = extension.lights || {};
+
+ for ( var lightId in lights ) {
+
+ var light = lights[ lightId ];
+ var lightNode;
+
+ var color = new THREE.Color().fromArray( light.color );
+
+ switch ( light.type ) {
+
+ case 'directional':
+ lightNode = new THREE.DirectionalLight( color );
+ lightNode.position.set( 0, 0, 1 );
+ break;
+
+ case 'point':
+ lightNode = new THREE.PointLight( color );
+ break;
+
+ case 'spot':
+ lightNode = new THREE.SpotLight( color );
+ lightNode.position.set( 0, 0, 1 );
+ break;
+
+ case 'ambient':
+ lightNode = new THREE.AmbientLight( color );
+ break;
+
+ }
+
+ if ( lightNode ) {
+
+ if ( light.constantAttenuation !== undefined ) {
+
+ lightNode.intensity = light.constantAttenuation;
+
+ }
+
+ if ( light.linearAttenuation !== undefined ) {
+
+ lightNode.distance = 1 / light.linearAttenuation;
+
+ }
+
+ if ( light.quadraticAttenuation !== undefined ) {
+
+ lightNode.decay = light.quadraticAttenuation;
+
+ }
+
+ if ( light.fallOffAngle !== undefined ) {
+
+ lightNode.angle = light.fallOffAngle;
+
+ }
+
+ if ( light.fallOffExponent !== undefined ) {
+
+ console.warn( 'THREE.GLTFLoader:: light.fallOffExponent not currently supported.' );
+
+ }
+
+ lightNode.name = light.name || ( 'light_' + lightId );
+ this.lights[ lightId ] = lightNode;
+
+ }
+
+ }
+
+ }
+
+ /**
+ * Common Materials Extension
+ *
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/Khronos/KHR_materials_common
+ */
+ function GLTFMaterialsCommonExtension( json ) {
+
+ this.name = EXTENSIONS.KHR_MATERIALS_COMMON;
+
+ }
+
+ GLTFMaterialsCommonExtension.prototype.getMaterialType = function ( material ) {
+
+ var khrMaterial = material.extensions[ this.name ];
+
+ switch ( khrMaterial.type ) {
+
+ case 'commonBlinn' :
+ case 'commonPhong' :
+ return THREE.MeshPhongMaterial;
+
+ case 'commonLambert' :
+ return THREE.MeshLambertMaterial;
+
+ case 'commonConstant' :
+ default :
+ return THREE.MeshBasicMaterial;
+
+ }
+
+ };
+
+ GLTFMaterialsCommonExtension.prototype.extendParams = function ( materialParams, material, parser ) {
+
+ var khrMaterial = material.extensions[ this.name ];
+
+ var pending = [];
+
+ var keys = [];
+
+ // TODO: Currently ignored: 'ambientFactor', 'ambientTexture'
+ switch ( khrMaterial.type ) {
+
+ case 'commonBlinn' :
+ case 'commonPhong' :
+ keys.push( 'diffuseFactor', 'diffuseTexture', 'specularFactor', 'specularTexture', 'shininessFactor' );
+ break;
+
+ case 'commonLambert' :
+ keys.push( 'diffuseFactor', 'diffuseTexture' );
+ break;
+
+ case 'commonConstant' :
+ default :
+ break;
+
+ }
+
+ var materialValues = {};
+
+ keys.forEach( function ( v ) {
+
+ if ( khrMaterial[ v ] !== undefined ) materialValues[ v ] = khrMaterial[ v ];
+
+ } );
+
+ if ( materialValues.diffuseFactor !== undefined ) {
+
+ materialParams.color = new THREE.Color().fromArray( materialValues.diffuseFactor );
+ materialParams.opacity = materialValues.diffuseFactor[ 3 ];
+
+ }
+
+ if ( materialValues.diffuseTexture !== undefined ) {
+
+ pending.push( parser.assignTexture( materialParams, 'map', materialValues.diffuseTexture.index ) );
+
+ }
+
+ if ( materialValues.specularFactor !== undefined ) {
+
+ materialParams.specular = new THREE.Color().fromArray( materialValues.specularFactor );
+
+ }
+
+ if ( materialValues.specularTexture !== undefined ) {
+
+ pending.push( parser.assignTexture( materialParams, 'specularMap', materialValues.specularTexture.index ) );
+
+ }
+
+ if ( materialValues.shininessFactor !== undefined ) {
+
+ materialParams.shininess = materialValues.shininessFactor;
+
+ }
+
+ return Promise.all( pending );
+
+ };
+
+ /* BINARY EXTENSION */
+
+ var BINARY_EXTENSION_BUFFER_NAME = 'binary_glTF';
+ var BINARY_EXTENSION_HEADER_MAGIC = 'glTF';
+ var BINARY_EXTENSION_HEADER_LENGTH = 12;
+ var BINARY_EXTENSION_CHUNK_TYPES = { JSON: 0x4E4F534A, BIN: 0x004E4942 };
+
+ function GLTFBinaryExtension( data ) {
+
+ this.name = EXTENSIONS.KHR_BINARY_GLTF;
+ this.content = null;
+ this.body = null;
+
+ var headerView = new DataView( data, 0, BINARY_EXTENSION_HEADER_LENGTH );
+
+ this.header = {
+ magic: THREE.LoaderUtils.decodeText( new Uint8Array( data.slice( 0, 4 ) ) ),
+ version: headerView.getUint32( 4, true ),
+ length: headerView.getUint32( 8, true )
+ };
+
+ if ( this.header.magic !== BINARY_EXTENSION_HEADER_MAGIC ) {
+
+ throw new Error( 'THREE.GLTFLoader: Unsupported glTF-Binary header.' );
+
+ } else if ( this.header.version < 2.0 ) {
+
+ throw new Error( 'THREE.GLTFLoader: Legacy binary file detected. Use LegacyGLTFLoader instead.' );
+
+ }
+
+ var chunkView = new DataView( data, BINARY_EXTENSION_HEADER_LENGTH );
+ var chunkIndex = 0;
+
+ while ( chunkIndex < chunkView.byteLength ) {
+
+ var chunkLength = chunkView.getUint32( chunkIndex, true );
+ chunkIndex += 4;
+
+ var chunkType = chunkView.getUint32( chunkIndex, true );
+ chunkIndex += 4;
+
+ if ( chunkType === BINARY_EXTENSION_CHUNK_TYPES.JSON ) {
+
+ var contentArray = new Uint8Array( data, BINARY_EXTENSION_HEADER_LENGTH + chunkIndex, chunkLength );
+ this.content = THREE.LoaderUtils.decodeText( contentArray );
+
+ } else if ( chunkType === BINARY_EXTENSION_CHUNK_TYPES.BIN ) {
+
+ var byteOffset = BINARY_EXTENSION_HEADER_LENGTH + chunkIndex;
+ this.body = data.slice( byteOffset, byteOffset + chunkLength );
+
+ }
+
+ // Clients must ignore chunks with unknown types.
+
+ chunkIndex += chunkLength;
+
+ }
+
+ if ( this.content === null ) {
+
+ throw new Error( 'THREE.GLTFLoader: JSON content not found.' );
+
+ }
+
+ }
+
+ /**
+ * Specular-Glossiness Extension
+ *
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/Khronos/KHR_materials_pbrSpecularGlossiness
+ */
+ function GLTFMaterialsPbrSpecularGlossinessExtension() {
+
+ return {
+
+ name: EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS,
+
+ specularGlossinessParams: [
+ 'color',
+ 'map',
+ 'lightMap',
+ 'lightMapIntensity',
+ 'aoMap',
+ 'aoMapIntensity',
+ 'emissive',
+ 'emissiveIntensity',
+ 'emissiveMap',
+ 'bumpMap',
+ 'bumpScale',
+ 'normalMap',
+ 'displacementMap',
+ 'displacementScale',
+ 'displacementBias',
+ 'specularMap',
+ 'specular',
+ 'glossinessMap',
+ 'glossiness',
+ 'alphaMap',
+ 'envMap',
+ 'envMapIntensity',
+ 'refractionRatio',
+ ],
+
+ getMaterialType: function () {
+
+ return THREE.ShaderMaterial;
+
+ },
+
+ extendParams: function ( params, material, parser ) {
+
+ var pbrSpecularGlossiness = material.extensions[ this.name ];
+
+ var shader = THREE.ShaderLib[ 'standard' ];
+
+ var uniforms = THREE.UniformsUtils.clone( shader.uniforms );
+
+ var specularMapParsFragmentChunk = [
+ '#ifdef USE_SPECULARMAP',
+ ' uniform sampler2D specularMap;',
+ '#endif'
+ ].join( '\n' );
+
+ var glossinessMapParsFragmentChunk = [
+ '#ifdef USE_GLOSSINESSMAP',
+ ' uniform sampler2D glossinessMap;',
+ '#endif'
+ ].join( '\n' );
+
+ var specularMapFragmentChunk = [
+ 'vec3 specularFactor = specular;',
+ '#ifdef USE_SPECULARMAP',
+ ' vec4 texelSpecular = texture2D( specularMap, vUv );',
+ ' texelSpecular = sRGBToLinear( texelSpecular );',
+ ' // reads channel RGB, compatible with a glTF Specular-Glossiness (RGBA) texture',
+ ' specularFactor *= texelSpecular.rgb;',
+ '#endif'
+ ].join( '\n' );
+
+ var glossinessMapFragmentChunk = [
+ 'float glossinessFactor = glossiness;',
+ '#ifdef USE_GLOSSINESSMAP',
+ ' vec4 texelGlossiness = texture2D( glossinessMap, vUv );',
+ ' // reads channel A, compatible with a glTF Specular-Glossiness (RGBA) texture',
+ ' glossinessFactor *= texelGlossiness.a;',
+ '#endif'
+ ].join( '\n' );
+
+ var lightPhysicalFragmentChunk = [
+ 'PhysicalMaterial material;',
+ 'material.diffuseColor = diffuseColor.rgb;',
+ 'material.specularRoughness = clamp( 1.0 - glossinessFactor, 0.04, 1.0 );',
+ 'material.specularColor = specularFactor.rgb;',
+ ].join( '\n' );
+
+ var fragmentShader = shader.fragmentShader
+ .replace( '#include <specularmap_fragment>', '' )
+ .replace( 'uniform float roughness;', 'uniform vec3 specular;' )
+ .replace( 'uniform float metalness;', 'uniform float glossiness;' )
+ .replace( '#include <roughnessmap_pars_fragment>', specularMapParsFragmentChunk )
+ .replace( '#include <metalnessmap_pars_fragment>', glossinessMapParsFragmentChunk )
+ .replace( '#include <roughnessmap_fragment>', specularMapFragmentChunk )
+ .replace( '#include <metalnessmap_fragment>', glossinessMapFragmentChunk )
+ .replace( '#include <lights_physical_fragment>', lightPhysicalFragmentChunk );
+
+ delete uniforms.roughness;
+ delete uniforms.metalness;
+ delete uniforms.roughnessMap;
+ delete uniforms.metalnessMap;
+
+ uniforms.specular = { value: new THREE.Color().setHex( 0x111111 ) };
+ uniforms.glossiness = { value: 0.5 };
+ uniforms.specularMap = { value: null };
+ uniforms.glossinessMap = { value: null };
+
+ params.vertexShader = shader.vertexShader;
+ params.fragmentShader = fragmentShader;
+ params.uniforms = uniforms;
+ params.defines = { 'STANDARD': '' };
+
+ params.color = new THREE.Color( 1.0, 1.0, 1.0 );
+ params.opacity = 1.0;
+
+ var pending = [];
+
+ if ( Array.isArray( pbrSpecularGlossiness.diffuseFactor ) ) {
+
+ var array = pbrSpecularGlossiness.diffuseFactor;
+
+ params.color.fromArray( array );
+ params.opacity = array[ 3 ];
+
+ }
+
+ if ( pbrSpecularGlossiness.diffuseTexture !== undefined ) {
+
+ pending.push( parser.assignTexture( params, 'map', pbrSpecularGlossiness.diffuseTexture.index ) );
+
+ }
+
+ params.emissive = new THREE.Color( 0.0, 0.0, 0.0 );
+ params.glossiness = pbrSpecularGlossiness.glossinessFactor !== undefined ? pbrSpecularGlossiness.glossinessFactor : 1.0;
+ params.specular = new THREE.Color( 1.0, 1.0, 1.0 );
+
+ if ( Array.isArray( pbrSpecularGlossiness.specularFactor ) ) {
+
+ params.specular.fromArray( pbrSpecularGlossiness.specularFactor );
+
+ }
+
+ if ( pbrSpecularGlossiness.specularGlossinessTexture !== undefined ) {
+
+ var specGlossIndex = pbrSpecularGlossiness.specularGlossinessTexture.index;
+ pending.push( parser.assignTexture( params, 'glossinessMap', specGlossIndex ) );
+ pending.push( parser.assignTexture( params, 'specularMap', specGlossIndex ) );
+
+ }
+
+ return Promise.all( pending );
+
+ },
+
+ createMaterial: function ( params ) {
+
+ // setup material properties based on MeshStandardMaterial for Specular-Glossiness
+
+ var material = new THREE.ShaderMaterial( {
+ defines: params.defines,
+ vertexShader: params.vertexShader,
+ fragmentShader: params.fragmentShader,
+ uniforms: params.uniforms,
+ fog: true,
+ lights: true,
+ opacity: params.opacity,
+ transparent: params.transparent
+ } );
+
+ material.isGLTFSpecularGlossinessMaterial = true;
+
+ material.color = params.color;
+
+ material.map = params.map === undefined ? null : params.map;
+
+ material.lightMap = null;
+ material.lightMapIntensity = 1.0;
+
+ material.aoMap = params.aoMap === undefined ? null : params.aoMap;
+ material.aoMapIntensity = 1.0;
+
+ material.emissive = params.emissive;
+ material.emissiveIntensity = 1.0;
+ material.emissiveMap = params.emissiveMap === undefined ? null : params.emissiveMap;
+
+ material.bumpMap = params.bumpMap === undefined ? null : params.bumpMap;
+ material.bumpScale = 1;
+
+ material.normalMap = params.normalMap === undefined ? null : params.normalMap;
+ if ( params.normalScale ) material.normalScale = params.normalScale;
+
+ material.displacementMap = null;
+ material.displacementScale = 1;
+ material.displacementBias = 0;
+
+ material.specularMap = params.specularMap === undefined ? null : params.specularMap;
+ material.specular = params.specular;
+
+ material.glossinessMap = params.glossinessMap === undefined ? null : params.glossinessMap;
+ material.glossiness = params.glossiness;
+
+ material.alphaMap = null;
+
+ material.envMap = params.envMap === undefined ? null : params.envMap;
+ material.envMapIntensity = 1.0;
+
+ material.refractionRatio = 0.98;
+
+ material.extensions.derivatives = true;
+
+ return material;
+
+ },
+
+ /**
+ * Clones a GLTFSpecularGlossinessMaterial instance. The ShaderMaterial.copy() method can
+ * copy only properties it knows about or inherits, and misses many properties that would
+ * normally be defined by MeshStandardMaterial.
+ *
+ * This method allows GLTFSpecularGlossinessMaterials to be cloned in the process of
+ * loading a glTF model, but cloning later (e.g. by the user) would require these changes
+ * AND also updating `.onBeforeRender` on the parent mesh.
+ *
+ * @param {THREE.ShaderMaterial} source
+ * @return {THREE.ShaderMaterial}
+ */
+ cloneMaterial: function ( source ) {
+
+ var target = source.clone();
+
+ target.isGLTFSpecularGlossinessMaterial = true;
+
+ var params = this.specularGlossinessParams;
+
+ for ( var i = 0, il = params.length; i < il; i ++ ) {
+
+ target[ params[ i ] ] = source[ params[ i ] ];
+
+ }
+
+ return target;
+
+ },
+
+ // Here's based on refreshUniformsCommon() and refreshUniformsStandard() in WebGLRenderer.
+ refreshUniforms: function ( renderer, scene, camera, geometry, material, group ) {
+
+ var uniforms = material.uniforms;
+ var defines = material.defines;
+
+ uniforms.opacity.value = material.opacity;
+
+ uniforms.diffuse.value.copy( material.color );
+ uniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );
+
+ uniforms.map.value = material.map;
+ uniforms.specularMap.value = material.specularMap;
+ uniforms.alphaMap.value = material.alphaMap;
+
+ uniforms.lightMap.value = material.lightMap;
+ uniforms.lightMapIntensity.value = material.lightMapIntensity;
+
+ uniforms.aoMap.value = material.aoMap;
+ uniforms.aoMapIntensity.value = material.aoMapIntensity;
+
+ // uv repeat and offset setting priorities
+ // 1. color map
+ // 2. specular map
+ // 3. normal map
+ // 4. bump map
+ // 5. alpha map
+ // 6. emissive map
+
+ var uvScaleMap;
+
+ if ( material.map ) {
+
+ uvScaleMap = material.map;
+
+ } else if ( material.specularMap ) {
+
+ uvScaleMap = material.specularMap;
+
+ } else if ( material.displacementMap ) {
+
+ uvScaleMap = material.displacementMap;
+
+ } else if ( material.normalMap ) {
+
+ uvScaleMap = material.normalMap;
+
+ } else if ( material.bumpMap ) {
+
+ uvScaleMap = material.bumpMap;
+
+ } else if ( material.glossinessMap ) {
+
+ uvScaleMap = material.glossinessMap;
+
+ } else if ( material.alphaMap ) {
+
+ uvScaleMap = material.alphaMap;
+
+ } else if ( material.emissiveMap ) {
+
+ uvScaleMap = material.emissiveMap;
+
+ }
+
+ if ( uvScaleMap !== undefined ) {
+
+ // backwards compatibility
+ if ( uvScaleMap.isWebGLRenderTarget ) {
+
+ uvScaleMap = uvScaleMap.texture;
+
+ }
+
+ var offset;
+ var repeat;
+
+ if ( uvScaleMap.matrix !== undefined ) {
+
+ // > r88.
+
+ if ( uvScaleMap.matrixAutoUpdate === true ) {
+
+ offset = uvScaleMap.offset;
+ repeat = uvScaleMap.repeat;
+ var rotation = uvScaleMap.rotation;
+ var center = uvScaleMap.center;
+
+ uvScaleMap.matrix.setUvTransform( offset.x, offset.y, repeat.x, repeat.y, rotation, center.x, center.y );
+
+ }
+
+ uniforms.uvTransform.value.copy( uvScaleMap.matrix );
+
+ } else {
+
+ // <= r87. Remove when reasonable.
+
+ offset = uvScaleMap.offset;
+ repeat = uvScaleMap.repeat;
+
+ uniforms.offsetRepeat.value.set( offset.x, offset.y, repeat.x, repeat.y );
+
+ }
+
+ }
+
+ uniforms.envMap.value = material.envMap;
+ uniforms.envMapIntensity.value = material.envMapIntensity;
+ uniforms.flipEnvMap.value = ( material.envMap && material.envMap.isCubeTexture ) ? - 1 : 1;
+
+ uniforms.refractionRatio.value = material.refractionRatio;
+
+ uniforms.specular.value.copy( material.specular );
+ uniforms.glossiness.value = material.glossiness;
+
+ uniforms.glossinessMap.value = material.glossinessMap;
+
+ uniforms.emissiveMap.value = material.emissiveMap;
+ uniforms.bumpMap.value = material.bumpMap;
+ uniforms.normalMap.value = material.normalMap;
+
+ uniforms.displacementMap.value = material.displacementMap;
+ uniforms.displacementScale.value = material.displacementScale;
+ uniforms.displacementBias.value = material.displacementBias;
+
+ if ( uniforms.glossinessMap.value !== null && defines.USE_GLOSSINESSMAP === undefined ) {
+
+ defines.USE_GLOSSINESSMAP = '';
+ // set USE_ROUGHNESSMAP to enable vUv
+ defines.USE_ROUGHNESSMAP = '';
+
+ }
+
+ if ( uniforms.glossinessMap.value === null && defines.USE_GLOSSINESSMAP !== undefined ) {
+
+ delete defines.USE_GLOSSINESSMAP;
+ delete defines.USE_ROUGHNESSMAP;
+
+ }
+
+ }
+
+ };
+
+ }
+
+ /*********************************/
+ /********** INTERNALS ************/
+ /*********************************/
+
+ /* CONSTANTS */
+
+ var WEBGL_CONSTANTS = {
+ FLOAT: 5126,
+ //FLOAT_MAT2: 35674,
+ FLOAT_MAT3: 35675,
+ FLOAT_MAT4: 35676,
+ FLOAT_VEC2: 35664,
+ FLOAT_VEC3: 35665,
+ FLOAT_VEC4: 35666,
+ LINEAR: 9729,
+ REPEAT: 10497,
+ SAMPLER_2D: 35678,
+ POINTS: 0,
+ LINES: 1,
+ LINE_LOOP: 2,
+ LINE_STRIP: 3,
+ TRIANGLES: 4,
+ TRIANGLE_STRIP: 5,
+ TRIANGLE_FAN: 6,
+ UNSIGNED_BYTE: 5121,
+ UNSIGNED_SHORT: 5123
+ };
+
+ var WEBGL_TYPE = {
+ 5126: Number,
+ //35674: THREE.Matrix2,
+ 35675: THREE.Matrix3,
+ 35676: THREE.Matrix4,
+ 35664: THREE.Vector2,
+ 35665: THREE.Vector3,
+ 35666: THREE.Vector4,
+ 35678: THREE.Texture
+ };
+
+ var WEBGL_COMPONENT_TYPES = {
+ 5120: Int8Array,
+ 5121: Uint8Array,
+ 5122: Int16Array,
+ 5123: Uint16Array,
+ 5125: Uint32Array,
+ 5126: Float32Array
+ };
+
+ var WEBGL_FILTERS = {
+ 9728: THREE.NearestFilter,
+ 9729: THREE.LinearFilter,
+ 9984: THREE.NearestMipMapNearestFilter,
+ 9985: THREE.LinearMipMapNearestFilter,
+ 9986: THREE.NearestMipMapLinearFilter,
+ 9987: THREE.LinearMipMapLinearFilter
+ };
+
+ var WEBGL_WRAPPINGS = {
+ 33071: THREE.ClampToEdgeWrapping,
+ 33648: THREE.MirroredRepeatWrapping,
+ 10497: THREE.RepeatWrapping
+ };
+
+ var WEBGL_TEXTURE_FORMATS = {
+ 6406: THREE.AlphaFormat,
+ 6407: THREE.RGBFormat,
+ 6408: THREE.RGBAFormat,
+ 6409: THREE.LuminanceFormat,
+ 6410: THREE.LuminanceAlphaFormat
+ };
+
+ var WEBGL_TEXTURE_DATATYPES = {
+ 5121: THREE.UnsignedByteType,
+ 32819: THREE.UnsignedShort4444Type,
+ 32820: THREE.UnsignedShort5551Type,
+ 33635: THREE.UnsignedShort565Type
+ };
+
+ var WEBGL_SIDES = {
+ 1028: THREE.BackSide, // Culling front
+ 1029: THREE.FrontSide // Culling back
+ //1032: THREE.NoSide // Culling front and back, what to do?
+ };
+
+ var WEBGL_DEPTH_FUNCS = {
+ 512: THREE.NeverDepth,
+ 513: THREE.LessDepth,
+ 514: THREE.EqualDepth,
+ 515: THREE.LessEqualDepth,
+ 516: THREE.GreaterEqualDepth,
+ 517: THREE.NotEqualDepth,
+ 518: THREE.GreaterEqualDepth,
+ 519: THREE.AlwaysDepth
+ };
+
+ var WEBGL_BLEND_EQUATIONS = {
+ 32774: THREE.AddEquation,
+ 32778: THREE.SubtractEquation,
+ 32779: THREE.ReverseSubtractEquation
+ };
+
+ var WEBGL_BLEND_FUNCS = {
+ 0: THREE.ZeroFactor,
+ 1: THREE.OneFactor,
+ 768: THREE.SrcColorFactor,
+ 769: THREE.OneMinusSrcColorFactor,
+ 770: THREE.SrcAlphaFactor,
+ 771: THREE.OneMinusSrcAlphaFactor,
+ 772: THREE.DstAlphaFactor,
+ 773: THREE.OneMinusDstAlphaFactor,
+ 774: THREE.DstColorFactor,
+ 775: THREE.OneMinusDstColorFactor,
+ 776: THREE.SrcAlphaSaturateFactor
+ // The followings are not supported by Three.js yet
+ //32769: CONSTANT_COLOR,
+ //32770: ONE_MINUS_CONSTANT_COLOR,
+ //32771: CONSTANT_ALPHA,
+ //32772: ONE_MINUS_CONSTANT_COLOR
+ };
+
+ var WEBGL_TYPE_SIZES = {
+ 'SCALAR': 1,
+ 'VEC2': 2,
+ 'VEC3': 3,
+ 'VEC4': 4,
+ 'MAT2': 4,
+ 'MAT3': 9,
+ 'MAT4': 16
+ };
+
+ var PATH_PROPERTIES = {
+ scale: 'scale',
+ translation: 'position',
+ rotation: 'quaternion',
+ weights: 'morphTargetInfluences'
+ };
+
+ var INTERPOLATION = {
+ CUBICSPLINE: THREE.InterpolateSmooth,
+ LINEAR: THREE.InterpolateLinear,
+ STEP: THREE.InterpolateDiscrete
+ };
+
+ var STATES_ENABLES = {
+ 2884: 'CULL_FACE',
+ 2929: 'DEPTH_TEST',
+ 3042: 'BLEND',
+ 3089: 'SCISSOR_TEST',
+ 32823: 'POLYGON_OFFSET_FILL',
+ 32926: 'SAMPLE_ALPHA_TO_COVERAGE'
+ };
+
+ var ALPHA_MODES = {
+ OPAQUE: 'OPAQUE',
+ MASK: 'MASK',
+ BLEND: 'BLEND'
+ };
+
+ /* UTILITY FUNCTIONS */
+
+ function resolveURL( url, path ) {
+
+ // Invalid URL
+ if ( typeof url !== 'string' || url === '' ) return '';
+
+ // Absolute URL http://,https://,//
+ if ( /^(https?:)?\/\//i.test( url ) ) return url;
+
+ // Data URI
+ if ( /^data:.*,.*$/i.test( url ) ) return url;
+
+ // Blob URL
+ if ( /^blob:.*$/i.test( url ) ) return url;
+
+ // Relative URL
+ return path + url;
+
+ }
+
+ /**
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#default-material
+ */
+ function createDefaultMaterial() {
+
+ return new THREE.MeshStandardMaterial( {
+ color: 0xFFFFFF,
+ emissive: 0x000000,
+ metalness: 1,
+ roughness: 1,
+ transparent: false,
+ depthTest: true,
+ side: THREE.FrontSide
+ } );
+
+ }
+
+ /**
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#morph-targets
+ *
+ * TODO: Implement support for morph targets on TANGENT attribute.
+ *
+ * @param {THREE.Mesh} mesh
+ * @param {GLTF.Mesh} meshDef
+ * @param {GLTF.Primitive} primitiveDef
+ * @param {Array<THREE.BufferAttribute>} accessors
+ */
+ function addMorphTargets( mesh, meshDef, primitiveDef, accessors ) {
+
+ var geometry = mesh.geometry;
+ var material = mesh.material;
+
+ var targets = primitiveDef.targets;
+ var morphAttributes = geometry.morphAttributes;
+
+ morphAttributes.position = [];
+ morphAttributes.normal = [];
+
+ material.morphTargets = true;
+
+ for ( var i = 0, il = targets.length; i < il; i ++ ) {
+
+ var target = targets[ i ];
+ var attributeName = 'morphTarget' + i;
+
+ var positionAttribute, normalAttribute;
+
+ if ( target.POSITION !== undefined ) {
+
+ // Three.js morph formula is
+ // position
+ // + weight0 * ( morphTarget0 - position )
+ // + weight1 * ( morphTarget1 - position )
+ // ...
+ // while the glTF one is
+ // position
+ // + weight0 * morphTarget0
+ // + weight1 * morphTarget1
+ // ...
+ // then adding position to morphTarget.
+ // So morphTarget value will depend on mesh's position, then cloning attribute
+ // for the case if attribute is shared among two or more meshes.
+
+ positionAttribute = accessors[ target.POSITION ].clone();
+ var position = geometry.attributes.position;
+
+ for ( var j = 0, jl = positionAttribute.count; j < jl; j ++ ) {
+
+ positionAttribute.setXYZ(
+ j,
+ positionAttribute.getX( j ) + position.getX( j ),
+ positionAttribute.getY( j ) + position.getY( j ),
+ positionAttribute.getZ( j ) + position.getZ( j )
+ );
+
+ }
+
+ } else if ( geometry.attributes.position ) {
+
+ // Copying the original position not to affect the final position.
+ // See the formula above.
+ positionAttribute = geometry.attributes.position.clone();
+
+ }
+
+ if ( positionAttribute !== undefined ) {
+
+ positionAttribute.name = attributeName;
+ morphAttributes.position.push( positionAttribute );
+
+ }
+
+ if ( target.NORMAL !== undefined ) {
+
+ material.morphNormals = true;
+
+ // see target.POSITION's comment
+
+ normalAttribute = accessors[ target.NORMAL ].clone();
+ var normal = geometry.attributes.normal;
+
+ for ( var j = 0, jl = normalAttribute.count; j < jl; j ++ ) {
+
+ normalAttribute.setXYZ(
+ j,
+ normalAttribute.getX( j ) + normal.getX( j ),
+ normalAttribute.getY( j ) + normal.getY( j ),
+ normalAttribute.getZ( j ) + normal.getZ( j )
+ );
+
+ }
+
+ } else if ( geometry.attributes.normal !== undefined ) {
+
+ normalAttribute = geometry.attributes.normal.clone();
+
+ }
+
+ if ( normalAttribute !== undefined ) {
+
+ normalAttribute.name = attributeName;
+ morphAttributes.normal.push( normalAttribute );
+
+ }
+
+ }
+
+ mesh.updateMorphTargets();
+
+ if ( meshDef.weights !== undefined ) {
+
+ for ( var i = 0, il = meshDef.weights.length; i < il; i ++ ) {
+
+ mesh.morphTargetInfluences[ i ] = meshDef.weights[ i ];
+
+ }
+
+ }
+
+ }
+
+ function isPrimitiveEqual( a, b ) {
+
+ if ( a.indices !== b.indices ) {
+
+ return false;
+
+ }
+
+ var attribA = a.attributes || {};
+ var attribB = b.attributes || {};
+ var keysA = Object.keys( attribA );
+ var keysB = Object.keys( attribB );
+
+ if ( keysA.length !== keysB.length ) {
+
+ return false;
+
+ }
+
+ for ( var i = 0, il = keysA.length; i < il; i ++ ) {
+
+ var key = keysA[ i ];
+
+ if ( attribA[ key ] !== attribB[ key ] ) {
+
+ return false;
+
+ }
+
+ }
+
+ return true;
+
+ }
+
+ function getCachedGeometry( cache, newPrimitive ) {
+
+ for ( var i = 0, il = cache.length; i < il; i ++ ) {
+
+ var cached = cache[ i ];
+
+ if ( isPrimitiveEqual( cached.primitive, newPrimitive ) ) {
+
+ return cached.geometry;
+
+ }
+
+ }
+
+ return null;
+
+ }
+
+ /* GLTF PARSER */
+
+ function GLTFParser( json, extensions, options ) {
+
+ this.json = json || {};
+ this.extensions = extensions || {};
+ this.options = options || {};
+
+ // loader object cache
+ this.cache = new GLTFRegistry();
+
+ // BufferGeometry caching
+ this.primitiveCache = [];
+
+ this.textureLoader = new THREE.TextureLoader( this.options.manager );
+ this.textureLoader.setCrossOrigin( this.options.crossOrigin );
+
+ this.fileLoader = new THREE.FileLoader( this.options.manager );
+ this.fileLoader.setResponseType( 'arraybuffer' );
+
+ }
+
+ GLTFParser.prototype.parse = function ( onLoad, onError ) {
+
+ var json = this.json;
+ var parser = this;
+
+ // Clear the loader cache
+ this.cache.removeAll();
+
+ // Mark the special nodes/meshes in json for efficient parse
+ this.markDefs();
+
+ // Fire the callback on complete
+ this.getMultiDependencies( [
+
+ 'scene',
+ 'animation',
+ 'camera'
+
+ ] ).then( function ( dependencies ) {
+
+ var scenes = dependencies.scenes || [];
+ var scene = scenes[ json.scene || 0 ];
+ var animations = dependencies.animations || [];
+ var asset = json.asset;
+ var cameras = dependencies.cameras || [];
+
+ onLoad( scene, scenes, cameras, animations, asset );
+
+ } ).catch( onError );
+
+ };
+
+ /**
+ * Marks the special nodes/meshes in json for efficient parse.
+ */
+ GLTFParser.prototype.markDefs = function () {
+
+ var nodeDefs = this.json.nodes || [];
+ var skinDefs = this.json.skins || [];
+ var meshDefs = this.json.meshes || [];
+
+ var meshReferences = {};
+ var meshUses = {};
+
+ // Nothing in the node definition indicates whether it is a Bone or an
+ // Object3D. Use the skins' joint references to mark bones.
+ for ( var skinIndex = 0, skinLength = skinDefs.length; skinIndex < skinLength; skinIndex ++ ) {
+
+ var joints = skinDefs[ skinIndex ].joints;
+
+ for ( var i = 0, il = joints.length; i < il; i ++ ) {
+
+ nodeDefs[ joints[ i ] ].isBone = true;
+
+ }
+
+ }
+
+ // Meshes can (and should) be reused by multiple nodes in a glTF asset. To
+ // avoid having more than one THREE.Mesh with the same name, count
+ // references and rename instances below.
+ //
+ // Example: CesiumMilkTruck sample model reuses "Wheel" meshes.
+ for ( var nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex ++ ) {
+
+ var nodeDef = nodeDefs[ nodeIndex ];
+
+ if ( nodeDef.mesh !== undefined ) {
+
+ if ( meshReferences[ nodeDef.mesh ] === undefined ) {
+
+ meshReferences[ nodeDef.mesh ] = meshUses[ nodeDef.mesh ] = 0;
+
+ }
+
+ meshReferences[ nodeDef.mesh ] ++;
+
+ // Nothing in the mesh definition indicates whether it is
+ // a SkinnedMesh or Mesh. Use the node's mesh reference
+ // to mark SkinnedMesh if node has skin.
+ if ( nodeDef.skin !== undefined ) {
+
+ meshDefs[ nodeDef.mesh ].isSkinnedMesh = true;
+
+ }
+
+ }
+
+ }
+
+ this.json.meshReferences = meshReferences;
+ this.json.meshUses = meshUses;
+
+ };
+
+ /**
+ * Requests the specified dependency asynchronously, with caching.
+ * @param {string} type
+ * @param {number} index
+ * @return {Promise<Object>}
+ */
+ GLTFParser.prototype.getDependency = function ( type, index ) {
+
+ var cacheKey = type + ':' + index;
+ var dependency = this.cache.get( cacheKey );
+
+ if ( ! dependency ) {
+
+ var fnName = 'load' + type.charAt( 0 ).toUpperCase() + type.slice( 1 );
+ dependency = this[ fnName ]( index );
+ this.cache.add( cacheKey, dependency );
+
+ }
+
+ return dependency;
+
+ };
+
+ /**
+ * Requests all dependencies of the specified type asynchronously, with caching.
+ * @param {string} type
+ * @return {Promise<Array<Object>>}
+ */
+ GLTFParser.prototype.getDependencies = function ( type ) {
+
+ var dependencies = this.cache.get( type );
+
+ if ( ! dependencies ) {
+
+ var parser = this;
+ var defs = this.json[ type + ( type === 'mesh' ? 'es' : 's' ) ] || [];
+
+ dependencies = Promise.all( defs.map( function ( def, index ) {
+
+ return parser.getDependency( type, index );
+
+ } ) );
+
+ this.cache.add( type, dependencies );
+
+ }
+
+ return dependencies;
+
+ };
+
+ /**
+ * Requests all multiple dependencies of the specified types asynchronously, with caching.
+ * @param {Array<string>} types
+ * @return {Promise<Object<Array<Object>>>}
+ */
+ GLTFParser.prototype.getMultiDependencies = function ( types ) {
+
+ var results = {};
+ var pendings = [];
+
+ for ( var i = 0, il = types.length; i < il; i ++ ) {
+
+ var type = types[ i ];
+ var value = this.getDependencies( type );
+
+ value = value.then( function ( key, value ) {
+
+ results[ key ] = value;
+
+ }.bind( this, type + ( type === 'mesh' ? 'es' : 's' ) ) );
+
+ pendings.push( value );
+
+ }
+
+ return Promise.all( pendings ).then( function () {
+
+ return results;
+
+ } );
+
+ };
+
+ /**
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views
+ * @param {number} bufferIndex
+ * @return {Promise<ArrayBuffer>}
+ */
+ GLTFParser.prototype.loadBuffer = function ( bufferIndex ) {
+
+ var bufferDef = this.json.buffers[ bufferIndex ];
+ var loader = this.fileLoader;
+
+ if ( bufferDef.type && bufferDef.type !== 'arraybuffer' ) {
+
+ throw new Error( 'THREE.GLTFLoader: ' + bufferDef.type + ' buffer type is not supported.' );
+
+ }
+
+ // If present, GLB container is required to be the first buffer.
+ if ( bufferDef.uri === undefined && bufferIndex === 0 ) {
+
+ return Promise.resolve( this.extensions[ EXTENSIONS.KHR_BINARY_GLTF ].body );
+
+ }
+
+ var options = this.options;
+
+ return new Promise( function ( resolve, reject ) {
+
+ loader.load( resolveURL( bufferDef.uri, options.path ), resolve, undefined, function () {
+
+ reject( new Error( 'THREE.GLTFLoader: Failed to load buffer "' + bufferDef.uri + '".' ) );
+
+ } );
+
+ } );
+
+ };
+
+ /**
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views
+ * @param {number} bufferViewIndex
+ * @return {Promise<ArrayBuffer>}
+ */
+ GLTFParser.prototype.loadBufferView = function ( bufferViewIndex ) {
+
+ var bufferViewDef = this.json.bufferViews[ bufferViewIndex ];
+
+ return this.getDependency( 'buffer', bufferViewDef.buffer ).then( function ( buffer ) {
+
+ var byteLength = bufferViewDef.byteLength || 0;
+ var byteOffset = bufferViewDef.byteOffset || 0;
+ return buffer.slice( byteOffset, byteOffset + byteLength );
+
+ } );
+
+ };
+
+ /**
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#accessors
+ * @param {number} accessorIndex
+ * @return {Promise<THREE.BufferAttribute|THREE.InterleavedBufferAttribute>}
+ */
+ GLTFParser.prototype.loadAccessor = function ( accessorIndex ) {
+
+ var json = this.json;
+
+ var accessorDef = this.json.accessors[ accessorIndex ];
+
+ var pendingBufferViews = [];
+
+ if ( accessorDef.bufferView !== undefined ) {
+
+ pendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.bufferView ) );
+
+ } else {
+
+ pendingBufferViews.push( null );
+
+ }
+
+ if ( accessorDef.sparse !== undefined ) {
+
+ pendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.sparse.indices.bufferView ) );
+ pendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.sparse.values.bufferView ) );
+
+ }
+
+ return Promise.all( pendingBufferViews ).then( function ( bufferViews ) {
+
+ var bufferView = bufferViews[ 0 ];
+
+ var itemSize = WEBGL_TYPE_SIZES[ accessorDef.type ];
+ var TypedArray = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ];
+
+ // For VEC3: itemSize is 3, elementBytes is 4, itemBytes is 12.
+ var elementBytes = TypedArray.BYTES_PER_ELEMENT;
+ var itemBytes = elementBytes * itemSize;
+ var byteStride = json.bufferViews[ accessorDef.bufferView ].byteStride;
+ var normalized = accessorDef.normalized === true;
+ var array, bufferAttribute;
+
+ // The buffer is not interleaved if the stride is the item size in bytes.
+ if ( byteStride && byteStride !== itemBytes ) {
+
+ // Use the full buffer if it's interleaved.
+ array = new TypedArray( bufferView );
+
+ // Integer parameters to IB/IBA are in array elements, not bytes.
+ var ib = new THREE.InterleavedBuffer( array, byteStride / elementBytes );
+
+ bufferAttribute = new THREE.InterleavedBufferAttribute( ib, itemSize, accessorDef.byteOffset / elementBytes, normalized );
+
+ } else {
+
+ if ( bufferView === null ) {
+
+ array = new TypedArray( accessorDef.count * itemSize );
+
+ } else {
+
+ array = new TypedArray( bufferView, accessorDef.byteOffset, accessorDef.count * itemSize );
+
+ }
+
+ bufferAttribute = new THREE.BufferAttribute( array, itemSize, normalized );
+
+ }
+
+ // https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#sparse-accessors
+ if ( accessorDef.sparse !== undefined ) {
+
+ var itemSizeIndices = WEBGL_TYPE_SIZES.SCALAR;
+ var TypedArrayIndices = WEBGL_COMPONENT_TYPES[ accessorDef.sparse.indices.componentType ];
+
+ var byteOffsetIndices = accessorDef.sparse.indices.byteOffset || 0;
+ var byteOffsetValues = accessorDef.sparse.values.byteOffset || 0;
+
+ var sparseIndices = new TypedArrayIndices( bufferViews[ 1 ], byteOffsetIndices, accessorDef.sparse.count * itemSizeIndices );
+ var sparseValues = new TypedArray( bufferViews[ 2 ], byteOffsetValues, accessorDef.sparse.count * itemSize );
+
+ if ( bufferView !== null ) {
+
+ // Avoid modifying the original ArrayBuffer, if the bufferView wasn't initialized with zeroes.
+ bufferAttribute.setArray( bufferAttribute.array.slice() );
+
+ }
+
+ for ( var i = 0, il = sparseIndices.length; i < il; i ++ ) {
+
+ var index = sparseIndices[ i ];
+
+ bufferAttribute.setX( index, sparseValues[ i * itemSize ] );
+ if ( itemSize >= 2 ) bufferAttribute.setY( index, sparseValues[ i * itemSize + 1 ] );
+ if ( itemSize >= 3 ) bufferAttribute.setZ( index, sparseValues[ i * itemSize + 2 ] );
+ if ( itemSize >= 4 ) bufferAttribute.setW( index, sparseValues[ i * itemSize + 3 ] );
+ if ( itemSize >= 5 ) throw new Error( 'THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.' );
+
+ }
+
+ }
+
+ return bufferAttribute;
+
+ } );
+
+ };
+
+ /**
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#textures
+ * @param {number} textureIndex
+ * @return {Promise<THREE.Texture>}
+ */
+ GLTFParser.prototype.loadTexture = function ( textureIndex ) {
+
+ var parser = this;
+ var json = this.json;
+ var options = this.options;
+ var textureLoader = this.textureLoader;
+
+ var URL = window.URL || window.webkitURL;
+
+ var textureDef = json.textures[ textureIndex ];
+ var source = json.images[ textureDef.source ];
+ var sourceURI = source.uri;
+ var isObjectURL = false;
+
+ if ( source.bufferView !== undefined ) {
+
+ // Load binary image data from bufferView, if provided.
+
+ sourceURI = parser.getDependency( 'bufferView', source.bufferView ).then( function ( bufferView ) {
+
+ isObjectURL = true;
+ var blob = new Blob( [ bufferView ], { type: source.mimeType } );
+ sourceURI = URL.createObjectURL( blob );
+ return sourceURI;
+
+ } );
+
+ }
+
+ return Promise.resolve( sourceURI ).then( function ( sourceURI ) {
+
+ // Load Texture resource.
+
+ var loader = THREE.Loader.Handlers.get( sourceURI ) || textureLoader;
+
+ return new Promise( function ( resolve, reject ) {
+
+ loader.load( resolveURL( sourceURI, options.path ), resolve, undefined, reject );
+
+ } );
+
+ } ).then( function ( texture ) {
+
+ // Clean up resources and configure Texture.
+
+ if ( isObjectURL === true ) {
+
+ URL.revokeObjectURL( sourceURI );
+
+ }
+
+ texture.flipY = false;
+
+ if ( textureDef.name !== undefined ) texture.name = textureDef.name;
+
+ texture.format = textureDef.format !== undefined ? WEBGL_TEXTURE_FORMATS[ textureDef.format ] : THREE.RGBAFormat;
+
+ if ( textureDef.internalFormat !== undefined && texture.format !== WEBGL_TEXTURE_FORMATS[ textureDef.internalFormat ] ) {
+
+ console.warn( 'THREE.GLTFLoader: Three.js does not support texture internalFormat which is different from texture format. ' +
+ 'internalFormat will be forced to be the same value as format.' );
+
+ }
+
+ texture.type = textureDef.type !== undefined ? WEBGL_TEXTURE_DATATYPES[ textureDef.type ] : THREE.UnsignedByteType;
+
+ var samplers = json.samplers || {};
+ var sampler = samplers[ textureDef.sampler ] || {};
+
+ texture.magFilter = WEBGL_FILTERS[ sampler.magFilter ] || THREE.LinearFilter;
+ texture.minFilter = WEBGL_FILTERS[ sampler.minFilter ] || THREE.LinearMipMapLinearFilter;
+ texture.wrapS = WEBGL_WRAPPINGS[ sampler.wrapS ] || THREE.RepeatWrapping;
+ texture.wrapT = WEBGL_WRAPPINGS[ sampler.wrapT ] || THREE.RepeatWrapping;
+
+ return texture;
+
+ } );
+
+ };
+
+ /**
+ * Asynchronously assigns a texture to the given material parameters.
+ * @param {Object} materialParams
+ * @param {string} textureName
+ * @param {number} textureIndex
+ * @return {Promise}
+ */
+ GLTFParser.prototype.assignTexture = function ( materialParams, textureName, textureIndex ) {
+
+ return this.getDependency( 'texture', textureIndex ).then( function ( texture ) {
+
+ materialParams[ textureName ] = texture;
+
+ } );
+
+ };
+
+ /**
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#materials
+ * @param {number} materialIndex
+ * @return {Promise<THREE.Material>}
+ */
+ GLTFParser.prototype.loadMaterial = function ( materialIndex ) {
+
+ var parser = this;
+ var json = this.json;
+ var extensions = this.extensions;
+ var materialDef = this.json.materials[ materialIndex ];
+
+ var materialType;
+ var materialParams = {};
+ var materialExtensions = materialDef.extensions || {};
+
+ var pending = [];
+
+ if ( materialExtensions[ EXTENSIONS.KHR_MATERIALS_COMMON ] ) {
+
+ var khcExtension = extensions[ EXTENSIONS.KHR_MATERIALS_COMMON ];
+ materialType = khcExtension.getMaterialType( materialDef );
+ pending.push( khcExtension.extendParams( materialParams, materialDef, parser ) );
+
+ } else if ( materialExtensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ] ) {
+
+ var sgExtension = extensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ];
+ materialType = sgExtension.getMaterialType( materialDef );
+ pending.push( sgExtension.extendParams( materialParams, materialDef, parser ) );
+
+ } else if ( materialDef.pbrMetallicRoughness !== undefined ) {
+
+ // Specification:
+ // https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#metallic-roughness-material
+
+ materialType = THREE.MeshStandardMaterial;
+
+ var metallicRoughness = materialDef.pbrMetallicRoughness;
+
+ materialParams.color = new THREE.Color( 1.0, 1.0, 1.0 );
+ materialParams.opacity = 1.0;
+
+ if ( Array.isArray( metallicRoughness.baseColorFactor ) ) {
+
+ var array = metallicRoughness.baseColorFactor;
+
+ materialParams.color.fromArray( array );
+ materialParams.opacity = array[ 3 ];
+
+ }
+
+ if ( metallicRoughness.baseColorTexture !== undefined ) {
+
+ pending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture.index ) );
+
+ }
+
+ materialParams.metalness = metallicRoughness.metallicFactor !== undefined ? metallicRoughness.metallicFactor : 1.0;
+ materialParams.roughness = metallicRoughness.roughnessFactor !== undefined ? metallicRoughness.roughnessFactor : 1.0;
+
+ if ( metallicRoughness.metallicRoughnessTexture !== undefined ) {
+
+ var textureIndex = metallicRoughness.metallicRoughnessTexture.index;
+ pending.push( parser.assignTexture( materialParams, 'metalnessMap', textureIndex ) );
+ pending.push( parser.assignTexture( materialParams, 'roughnessMap', textureIndex ) );
+
+ }
+
+ } else {
+
+ materialType = THREE.MeshPhongMaterial;
+
+ }
+
+ if ( materialDef.doubleSided === true ) {
+
+ materialParams.side = THREE.DoubleSide;
+
+ }
+
+ var alphaMode = materialDef.alphaMode || ALPHA_MODES.OPAQUE;
+
+ if ( alphaMode === ALPHA_MODES.BLEND ) {
+
+ materialParams.transparent = true;
+
+ } else {
+
+ materialParams.transparent = false;
+
+ if ( alphaMode === ALPHA_MODES.MASK ) {
+
+ materialParams.alphaTest = materialDef.alphaCutoff !== undefined ? materialDef.alphaCutoff : 0.5;
+
+ }
+
+ }
+
+ if ( materialDef.normalTexture !== undefined ) {
+
+ pending.push( parser.assignTexture( materialParams, 'normalMap', materialDef.normalTexture.index ) );
+
+ materialParams.normalScale = new THREE.Vector2( 1, 1 );
+
+ if ( materialDef.normalTexture.scale !== undefined ) {
+
+ materialParams.normalScale.set( materialDef.normalTexture.scale, materialDef.normalTexture.scale );
+
+ }
+
+ }
+
+ if ( materialDef.occlusionTexture !== undefined ) {
+
+ pending.push( parser.assignTexture( materialParams, 'aoMap', materialDef.occlusionTexture.index ) );
+
+ if ( materialDef.occlusionTexture.strength !== undefined ) {
+
+ materialParams.aoMapIntensity = materialDef.occlusionTexture.strength;
+
+ }
+
+ }
+
+ if ( materialDef.emissiveFactor !== undefined ) {
+
+ if ( materialType === THREE.MeshBasicMaterial ) {
+
+ materialParams.color = new THREE.Color().fromArray( materialDef.emissiveFactor );
+
+ } else {
+
+ materialParams.emissive = new THREE.Color().fromArray( materialDef.emissiveFactor );
+
+ }
+
+ }
+
+ if ( materialDef.emissiveTexture !== undefined ) {
+
+ if ( materialType === THREE.MeshBasicMaterial ) {
+
+ pending.push( parser.assignTexture( materialParams, 'map', materialDef.emissiveTexture.index ) );
+
+ } else {
+
+ pending.push( parser.assignTexture( materialParams, 'emissiveMap', materialDef.emissiveTexture.index ) );
+
+ }
+
+ }
+
+ return Promise.all( pending ).then( function () {
+
+ var material;
+
+ if ( materialType === THREE.ShaderMaterial ) {
+
+ material = extensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ].createMaterial( materialParams );
+
+ } else {
+
+ material = new materialType( materialParams );
+
+ }
+
+ if ( materialDef.name !== undefined ) material.name = materialDef.name;
+
+ // Normal map textures use OpenGL conventions:
+ // https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#materialnormaltexture
+ if ( material.normalScale ) {
+
+ material.normalScale.x = - material.normalScale.x;
+
+ }
+
+ // emissiveTexture and baseColorTexture use sRGB encoding.
+ if ( material.map ) material.map.encoding = THREE.sRGBEncoding;
+ if ( material.emissiveMap ) material.emissiveMap.encoding = THREE.sRGBEncoding;
+
+ if ( materialDef.extras ) material.userData = materialDef.extras;
+
+ return material;
+
+ } );
+
+ };
+
+ /**
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#geometry
+ * @param {Array<Object>} primitives
+ * @return {Promise<Array<THREE.BufferGeometry>>}
+ */
+ GLTFParser.prototype.loadGeometries = function ( primitives ) {
+
+ var cache = this.primitiveCache;
+
+ return this.getDependencies( 'accessor' ).then( function ( accessors ) {
+
+ var geometries = [];
+
+ for ( var i = 0, il = primitives.length; i < il; i ++ ) {
+
+ var primitive = primitives[ i ];
+
+ // See if we've already created this geometry
+ var cached = getCachedGeometry( cache, primitive );
+
+ if ( cached ) {
+
+ // Use the cached geometry if it exists
+ geometries.push( cached );
+
+ } else {
+
+ // Otherwise create a new geometry
+ var geometry = new THREE.BufferGeometry();
+
+ var attributes = primitive.attributes;
+
+ for ( var attributeId in attributes ) {
+
+ var attributeEntry = attributes[ attributeId ];
+
+ var bufferAttribute = accessors[ attributeEntry ];
+
+ switch ( attributeId ) {
+
+ case 'POSITION':
+
+ geometry.addAttribute( 'position', bufferAttribute );
+ break;
+
+ case 'NORMAL':
+
+ geometry.addAttribute( 'normal', bufferAttribute );
+ break;
+
+ case 'TEXCOORD_0':
+ case 'TEXCOORD0':
+ case 'TEXCOORD':
+
+ geometry.addAttribute( 'uv', bufferAttribute );
+ break;
+
+ case 'TEXCOORD_1':
+
+ geometry.addAttribute( 'uv2', bufferAttribute );
+ break;
+
+ case 'COLOR_0':
+ case 'COLOR0':
+ case 'COLOR':
+
+ geometry.addAttribute( 'color', bufferAttribute );
+ break;
+
+ case 'WEIGHTS_0':
+ case 'WEIGHT': // WEIGHT semantic deprecated.
+
+ geometry.addAttribute( 'skinWeight', bufferAttribute );
+ break;
+
+ case 'JOINTS_0':
+ case 'JOINT': // JOINT semantic deprecated.
+
+ geometry.addAttribute( 'skinIndex', bufferAttribute );
+ break;
+
+ }
+
+ }
+
+ if ( primitive.indices !== undefined ) {
+
+ geometry.setIndex( accessors[ primitive.indices ] );
+
+ }
+
+ // Cache this geometry
+ cache.push( {
+
+ primitive: primitive,
+ geometry: geometry
+
+ } );
+
+ geometries.push( geometry );
+
+ }
+
+ }
+
+ return geometries;
+
+ } );
+
+ };
+
+ /**
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#meshes
+ * @param {number} meshIndex
+ * @return {Promise<THREE.Group|THREE.Mesh|THREE.SkinnedMesh>}
+ */
+ GLTFParser.prototype.loadMesh = function ( meshIndex ) {
+
+ var scope = this;
+ var json = this.json;
+ var extensions = this.extensions;
+
+ var meshDef = this.json.meshes[ meshIndex ];
+
+ return this.getMultiDependencies( [
+
+ 'accessor',
+ 'material'
+
+ ] ).then( function ( dependencies ) {
+
+ var group = new THREE.Group();
+
+ var primitives = meshDef.primitives;
+
+ return scope.loadGeometries( primitives ).then( function ( geometries ) {
+
+ for ( var i = 0, il = primitives.length; i < il; i ++ ) {
+
+ var primitive = primitives[ i ];
+ var geometry = geometries[ i ];
+
+ var material = primitive.material === undefined
+ ? createDefaultMaterial()
+ : dependencies.materials[ primitive.material ];
+
+ if ( material.aoMap
+ && geometry.attributes.uv2 === undefined
+ && geometry.attributes.uv !== undefined ) {
+
+ console.log( 'THREE.GLTFLoader: Duplicating UVs to support aoMap.' );
+ geometry.addAttribute( 'uv2', new THREE.BufferAttribute( geometry.attributes.uv.array, 2 ) );
+
+ }
+
+ // If the material will be modified later on, clone it now.
+ var useVertexColors = geometry.attributes.color !== undefined;
+ var useFlatShading = geometry.attributes.normal === undefined;
+ var useSkinning = meshDef.isSkinnedMesh === true;
+ var useMorphTargets = primitive.targets !== undefined;
+
+ if ( useVertexColors || useFlatShading || useSkinning || useMorphTargets ) {
+
+ if ( material.isGLTFSpecularGlossinessMaterial ) {
+
+ var specGlossExtension = extensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ];
+ material = specGlossExtension.cloneMaterial( material );
+
+ } else {
+
+ material = material.clone();
+
+ }
+
+ }
+
+ if ( useVertexColors ) {
+
+ material.vertexColors = THREE.VertexColors;
+ material.needsUpdate = true;
+
+ }
+
+ if ( useFlatShading ) {
+
+ material.flatShading = true;
+
+ }
+
+ var mesh;
+
+ if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLES ||
+ primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP ||
+ primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN ||
+ primitive.mode === undefined ) {
+
+ if ( useSkinning ) {
+
+ mesh = new THREE.SkinnedMesh( geometry, material );
+ material.skinning = true;
+
+ } else {
+
+ mesh = new THREE.Mesh( geometry, material );
+
+ }
+
+ if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP ) {
+
+ mesh.drawMode = THREE.TriangleStripDrawMode;
+
+ } else if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN ) {
+
+ mesh.drawMode = THREE.TriangleFanDrawMode;
+
+ }
+
+ } else if ( primitive.mode === WEBGL_CONSTANTS.LINES ) {
+
+ mesh = new THREE.LineSegments( geometry, material );
+
+ } else if ( primitive.mode === WEBGL_CONSTANTS.LINE_STRIP ) {
+
+ mesh = new THREE.Line( geometry, material );
+
+ } else if ( primitive.mode === WEBGL_CONSTANTS.LINE_LOOP ) {
+
+ mesh = new THREE.LineLoop( geometry, material );
+
+ } else if ( primitive.mode === WEBGL_CONSTANTS.POINTS ) {
+
+ mesh = new THREE.Points( geometry, material );
+
+ } else {
+
+ throw new Error( 'THREE.GLTFLoader: Primitive mode unsupported: ' + primitive.mode );
+
+ }
+
+ mesh.name = meshDef.name || ( 'mesh_' + meshIndex );
+
+ if ( useMorphTargets ) {
+
+ addMorphTargets( mesh, meshDef, primitive, dependencies.accessors );
+
+ }
+
+ if ( meshDef.extras !== undefined ) mesh.userData = meshDef.extras;
+ if ( primitive.extras !== undefined ) mesh.geometry.userData = primitive.extras;
+
+ // for Specular-Glossiness.
+ if ( material.isGLTFSpecularGlossinessMaterial === true ) {
+
+ mesh.onBeforeRender = extensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ].refreshUniforms;
+
+ }
+
+ if ( primitives.length > 1 ) {
+
+ mesh.name += '_' + i;
+
+ group.add( mesh );
+
+ } else {
+
+ return mesh;
+
+ }
+
+ }
+
+ return group;
+
+ } );
+
+ } );
+
+ };
+
+ /**
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#cameras
+ * @param {number} cameraIndex
+ * @return {Promise<THREE.Camera>}
+ */
+ GLTFParser.prototype.loadCamera = function ( cameraIndex ) {
+
+ var camera;
+ var cameraDef = this.json.cameras[ cameraIndex ];
+ var params = cameraDef[ cameraDef.type ];
+
+ if ( ! params ) {
+
+ console.warn( 'THREE.GLTFLoader: Missing camera parameters.' );
+ return;
+
+ }
+
+ if ( cameraDef.type === 'perspective' ) {
+
+ var aspectRatio = params.aspectRatio || 1;
+ var xfov = params.yfov * aspectRatio;
+
+ camera = new THREE.PerspectiveCamera( THREE.Math.radToDeg( xfov ), aspectRatio, params.znear || 1, params.zfar || 2e6 );
+
+ } else if ( cameraDef.type === 'orthographic' ) {
+
+ camera = new THREE.OrthographicCamera( params.xmag / - 2, params.xmag / 2, params.ymag / 2, params.ymag / - 2, params.znear, params.zfar );
+
+ }
+
+ if ( cameraDef.name !== undefined ) camera.name = cameraDef.name;
+ if ( cameraDef.extras ) camera.userData = cameraDef.extras;
+
+ return Promise.resolve( camera );
+
+ };
+
+ /**
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#skins
+ * @param {number} skinIndex
+ * @return {Promise<Object>}
+ */
+ GLTFParser.prototype.loadSkin = function ( skinIndex ) {
+
+ var skinDef = this.json.skins[ skinIndex ];
+
+ var skinEntry = { joints: skinDef.joints };
+
+ if ( skinDef.inverseBindMatrices === undefined ) {
+
+ return Promise.resolve( skinEntry );
+
+ }
+
+ return this.getDependency( 'accessor', skinDef.inverseBindMatrices ).then( function ( accessor ) {
+
+ skinEntry.inverseBindMatrices = accessor;
+
+ return skinEntry;
+
+ } );
+
+ };
+
+ /**
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#animations
+ * @param {number} animationIndex
+ * @return {Promise<THREE.AnimationClip>}
+ */
+ GLTFParser.prototype.loadAnimation = function ( animationIndex ) {
+
+ var json = this.json;
+
+ var animationDef = this.json.animations[ animationIndex ];
+
+ return this.getMultiDependencies( [
+
+ 'accessor',
+ 'node'
+
+ ] ).then( function ( dependencies ) {
+
+ var tracks = [];
+
+ for ( var i = 0, il = animationDef.channels.length; i < il; i ++ ) {
+
+ var channel = animationDef.channels[ i ];
+ var sampler = animationDef.samplers[ channel.sampler ];
+
+ if ( sampler ) {
+
+ var target = channel.target;
+ var name = target.node !== undefined ? target.node : target.id; // NOTE: target.id is deprecated.
+ var input = animationDef.parameters !== undefined ? animationDef.parameters[ sampler.input ] : sampler.input;
+ var output = animationDef.parameters !== undefined ? animationDef.parameters[ sampler.output ] : sampler.output;
+
+ var inputAccessor = dependencies.accessors[ input ];
+ var outputAccessor = dependencies.accessors[ output ];
+
+ var node = dependencies.nodes[ name ];
+
+ if ( node ) {
+
+ node.updateMatrix();
+ node.matrixAutoUpdate = true;
+
+ var TypedKeyframeTrack;
+
+ switch ( PATH_PROPERTIES[ target.path ] ) {
+
+ case PATH_PROPERTIES.weights:
+
+ TypedKeyframeTrack = THREE.NumberKeyframeTrack;
+ break;
+
+ case PATH_PROPERTIES.rotation:
+
+ TypedKeyframeTrack = THREE.QuaternionKeyframeTrack;
+ break;
+
+ case PATH_PROPERTIES.position:
+ case PATH_PROPERTIES.scale:
+ default:
+
+ TypedKeyframeTrack = THREE.VectorKeyframeTrack;
+ break;
+
+ }
+
+ var targetName = node.name ? node.name : node.uuid;
+
+ if ( sampler.interpolation === 'CUBICSPLINE' ) {
+
+ var itemSize = outputAccessor.itemSize;
+ var TypedArray = outputAccessor.array.constructor;
+ var outputAccessorValues = new TypedArray( outputAccessor.count * itemSize / 3 );
+
+ // Layout of keyframe output values for CUBICSPLINE animations:
+ //
+ // [ inTangent1, splineVertex1, outTangent1, inTangent2, splineVertex2, ... ]
+ //
+ // THREE.KeyframeTrack infers tangents from the spline vertices when interpolating:
+ // those values are extracted below. This still guarantees smooth curves, but does
+ // throw away more precise information in the tangents. In the future, consider
+ // re-sampling at a higher framerate using the tangents provided.
+ //
+ // See: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#appendix-c-spline-interpolation
+
+ for ( var j = 0, jl = outputAccessor.count; j < jl; j += 3 ) {
+
+ outputAccessorValues[ j * itemSize / 3 ] = outputAccessor.getX( j + 1 );
+ if ( itemSize > 1 ) outputAccessorValues[ j * itemSize / 3 + 1 ] = outputAccessor.getY( j + 1 );
+ if ( itemSize > 2 ) outputAccessorValues[ j * itemSize / 3 + 2 ] = outputAccessor.getZ( j + 1 );
+ if ( itemSize > 3 ) outputAccessorValues[ j * itemSize / 3 + 3 ] = outputAccessor.getW( j + 1 );
+
+ }
+
+ outputAccessor = new THREE.BufferAttribute( outputAccessorValues, itemSize / 3, outputAccessor.normalized );
+
+ }
+
+ var interpolation = sampler.interpolation !== undefined ? INTERPOLATION[ sampler.interpolation ] : THREE.InterpolateLinear;
+
+ var targetNames = [];
+
+ if ( PATH_PROPERTIES[ target.path ] === PATH_PROPERTIES.weights ) {
+
+ // node should be THREE.Group here but
+ // PATH_PROPERTIES.weights(morphTargetInfluences) should be
+ // the property of a mesh object under node.
+ // So finding targets here.
+
+ node.traverse( function ( object ) {
+
+ if ( object.isMesh === true && object.material.morphTargets === true ) {
+
+ targetNames.push( object.name ? object.name : object.uuid );
+
+ }
+
+ } );
+
+ } else {
+
+ targetNames.push( targetName );
+
+ }
+
+ // KeyframeTrack.optimize() will modify given 'times' and 'values'
+ // buffers before creating a truncated copy to keep. Because buffers may
+ // be reused by other tracks, make copies here.
+ for ( var j = 0, jl = targetNames.length; j < jl; j ++ ) {
+
+ tracks.push( new TypedKeyframeTrack(
+ targetNames[ j ] + '.' + PATH_PROPERTIES[ target.path ],
+ THREE.AnimationUtils.arraySlice( inputAccessor.array, 0 ),
+ THREE.AnimationUtils.arraySlice( outputAccessor.array, 0 ),
+ interpolation
+ ) );
+
+ }
+
+ }
+
+ }
+
+ }
+
+ var name = animationDef.name !== undefined ? animationDef.name : 'animation_' + animationIndex;
+
+ return new THREE.AnimationClip( name, undefined, tracks );
+
+ } );
+
+ };
+
+ /**
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#nodes-and-hierarchy
+ * @param {number} nodeIndex
+ * @return {Promise<THREE.Object3D>}
+ */
+ GLTFParser.prototype.loadNode = function ( nodeIndex ) {
+
+ var json = this.json;
+ var extensions = this.extensions;
+
+ var meshReferences = this.json.meshReferences;
+ var meshUses = this.json.meshUses;
+
+ var nodeDef = this.json.nodes[ nodeIndex ];
+
+ return this.getMultiDependencies( [
+
+ 'mesh',
+ 'skin',
+ 'camera'
+
+ ] ).then( function ( dependencies ) {
+
+ var node;
+
+ if ( nodeDef.isBone === true ) {
+
+ node = new THREE.Bone();
+
+ } else if ( nodeDef.mesh !== undefined ) {
+
+ var mesh = dependencies.meshes[ nodeDef.mesh ];
+
+ node = mesh.clone();
+
+ // for Specular-Glossiness
+ if ( mesh.isGroup === true ) {
+
+ for ( var i = 0, il = mesh.children.length; i < il; i ++ ) {
+
+ var child = mesh.children[ i ];
+
+ if ( child.material && child.material.isGLTFSpecularGlossinessMaterial === true ) {
+
+ node.children[ i ].onBeforeRender = child.onBeforeRender;
+
+ }
+
+ }
+
+ } else {
+
+ if ( mesh.material && mesh.material.isGLTFSpecularGlossinessMaterial === true ) {
+
+ node.onBeforeRender = mesh.onBeforeRender;
+
+ }
+
+ }
+
+ if ( meshReferences[ nodeDef.mesh ] > 1 ) {
+
+ node.name += '_instance_' + meshUses[ nodeDef.mesh ] ++;
+
+ }
+
+ } else if ( nodeDef.camera !== undefined ) {
+
+ node = dependencies.cameras[ nodeDef.camera ];
+
+ } else if ( nodeDef.extensions
+ && nodeDef.extensions[ EXTENSIONS.KHR_LIGHTS ]
+ && nodeDef.extensions[ EXTENSIONS.KHR_LIGHTS ].light !== undefined ) {
+
+ var lights = extensions[ EXTENSIONS.KHR_LIGHTS ].lights;
+ node = lights[ nodeDef.extensions[ EXTENSIONS.KHR_LIGHTS ].light ];
+
+ } else {
+
+ node = new THREE.Object3D();
+
+ }
+
+ if ( nodeDef.name !== undefined ) {
+
+ node.name = THREE.PropertyBinding.sanitizeNodeName( nodeDef.name );
+
+ }
+
+ if ( nodeDef.extras ) node.userData = nodeDef.extras;
+
+ if ( nodeDef.matrix !== undefined ) {
+
+ var matrix = new THREE.Matrix4();
+ matrix.fromArray( nodeDef.matrix );
+ node.applyMatrix( matrix );
+
+ } else {
+
+ if ( nodeDef.translation !== undefined ) {
+
+ node.position.fromArray( nodeDef.translation );
+
+ }
+
+ if ( nodeDef.rotation !== undefined ) {
+
+ node.quaternion.fromArray( nodeDef.rotation );
+
+ }
+
+ if ( nodeDef.scale !== undefined ) {
+
+ node.scale.fromArray( nodeDef.scale );
+
+ }
+
+ }
+
+ return node;
+
+ } );
+
+ };
+
+ /**
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#scenes
+ * @param {number} sceneIndex
+ * @return {Promise<THREE.Scene>}
+ */
+ GLTFParser.prototype.loadScene = function () {
+
+ // scene node hierachy builder
+
+ function buildNodeHierachy( nodeId, parentObject, json, allNodes, skins ) {
+
+ var node = allNodes[ nodeId ];
+ var nodeDef = json.nodes[ nodeId ];
+
+ // build skeleton here as well
+
+ if ( nodeDef.skin !== undefined ) {
+
+ var meshes = node.isGroup === true ? node.children : [ node ];
+
+ for ( var i = 0, il = meshes.length; i < il; i ++ ) {
+
+ var mesh = meshes[ i ];
+ var skinEntry = skins[ nodeDef.skin ];
+
+ var bones = [];
+ var boneInverses = [];
+
+ for ( var j = 0, jl = skinEntry.joints.length; j < jl; j ++ ) {
+
+ var jointId = skinEntry.joints[ j ];
+ var jointNode = allNodes[ jointId ];
+
+ if ( jointNode ) {
+
+ bones.push( jointNode );
+
+ var mat = new THREE.Matrix4();
+
+ if ( skinEntry.inverseBindMatrices !== undefined ) {
+
+ mat.fromArray( skinEntry.inverseBindMatrices.array, j * 16 );
+
+ }
+
+ boneInverses.push( mat );
+
+ } else {
+
+ console.warn( 'THREE.GLTFLoader: Joint "%s" could not be found.', jointId );
+
+ }
+
+ }
+
+ mesh.bind( new THREE.Skeleton( bones, boneInverses ), mesh.matrixWorld );
+
+ }
+
+ }
+
+ // build node hierachy
+
+ parentObject.add( node );
+
+ if ( nodeDef.children ) {
+
+ var children = nodeDef.children;
+
+ for ( var i = 0, il = children.length; i < il; i ++ ) {
+
+ var child = children[ i ];
+ buildNodeHierachy( child, node, json, allNodes, skins );
+
+ }
+
+ }
+
+ }
+
+ return function loadScene( sceneIndex ) {
+
+ var json = this.json;
+ var extensions = this.extensions;
+ var sceneDef = this.json.scenes[ sceneIndex ];
+
+ return this.getMultiDependencies( [
+
+ 'node',
+ 'skin'
+
+ ] ).then( function ( dependencies ) {
+
+ var scene = new THREE.Scene();
+ if ( sceneDef.name !== undefined ) scene.name = sceneDef.name;
+
+ if ( sceneDef.extras ) scene.userData = sceneDef.extras;
+
+ var nodeIds = sceneDef.nodes || [];
+
+ for ( var i = 0, il = nodeIds.length; i < il; i ++ ) {
+
+ buildNodeHierachy( nodeIds[ i ], scene, json, dependencies.nodes, dependencies.skins );
+
+ }
+
+ // Ambient lighting, if present, is always attached to the scene root.
+ if ( sceneDef.extensions
+ && sceneDef.extensions[ EXTENSIONS.KHR_LIGHTS ]
+ && sceneDef.extensions[ EXTENSIONS.KHR_LIGHTS ].light !== undefined ) {
+
+ var lights = extensions[ EXTENSIONS.KHR_LIGHTS ].lights;
+ scene.add( lights[ sceneDef.extensions[ EXTENSIONS.KHR_LIGHTS ].light ] );
+
+ }
+
+ return scene;
+
+ } );
+
+ };
+
+ }();
+
+ return GLTFLoader;
+
+} )();
+
+},{}],43:[function(_dereq_,module,exports){
+/**
+ * Loads a Wavefront .mtl file specifying materials
+ *
+ * @author angelxuanchang
+ */
+
+THREE.MTLLoader = function ( manager ) {
+
+ this.manager = ( manager !== undefined ) ? manager : THREE.DefaultLoadingManager;
+
+};
+
+THREE.MTLLoader.prototype = {
+
+ constructor: THREE.MTLLoader,
+
+ /**
+ * Loads and parses a MTL asset from a URL.
+ *
+ * @param {String} url - URL to the MTL file.
+ * @param {Function} [onLoad] - Callback invoked with the loaded object.
+ * @param {Function} [onProgress] - Callback for download progress.
+ * @param {Function} [onError] - Callback for download errors.
+ *
+ * @see setPath setTexturePath
+ *
+ * @note In order for relative texture references to resolve correctly
+ * you must call setPath and/or setTexturePath explicitly prior to load.
+ */
+ load: function ( url, onLoad, onProgress, onError ) {
+
+ var scope = this;
+
+ var loader = new THREE.FileLoader( this.manager );
+ loader.setPath( this.path );
+ loader.load( url, function ( text ) {
+
+ onLoad( scope.parse( text ) );
+
+ }, onProgress, onError );
+
+ },
+
+ /**
+ * Set base path for resolving references.
+ * If set this path will be prepended to each loaded and found reference.
+ *
+ * @see setTexturePath
+ * @param {String} path
+ *
+ * @example
+ * mtlLoader.setPath( 'assets/obj/' );
+ * mtlLoader.load( 'my.mtl', ... );
+ */
+ setPath: function ( path ) {
+
+ this.path = path;
+
+ },
+
+ /**
+ * Set base path for resolving texture references.
+ * If set this path will be prepended found texture reference.
+ * If not set and setPath is, it will be used as texture base path.
+ *
+ * @see setPath
+ * @param {String} path
+ *
+ * @example
+ * mtlLoader.setPath( 'assets/obj/' );
+ * mtlLoader.setTexturePath( 'assets/textures/' );
+ * mtlLoader.load( 'my.mtl', ... );
+ */
+ setTexturePath: function ( path ) {
+
+ this.texturePath = path;
+
+ },
+
+ setBaseUrl: function ( path ) {
+
+ console.warn( 'THREE.MTLLoader: .setBaseUrl() is deprecated. Use .setTexturePath( path ) for texture path or .setPath( path ) for general base path instead.' );
+
+ this.setTexturePath( path );
+
+ },
+
+ setCrossOrigin: function ( value ) {
+
+ this.crossOrigin = value;
+
+ },
+
+ setMaterialOptions: function ( value ) {
+
+ this.materialOptions = value;
+
+ },
+
+ /**
+ * Parses a MTL file.
+ *
+ * @param {String} text - Content of MTL file
+ * @return {THREE.MTLLoader.MaterialCreator}
+ *
+ * @see setPath setTexturePath
+ *
+ * @note In order for relative texture references to resolve correctly
+ * you must call setPath and/or setTexturePath explicitly prior to parse.
+ */
+ parse: function ( text ) {
+
+ var lines = text.split( '\n' );
+ var info = {};
+ var delimiter_pattern = /\s+/;
+ var materialsInfo = {};
+
+ for ( var i = 0; i < lines.length; i ++ ) {
+
+ var line = lines[ i ];
+ line = line.trim();
+
+ if ( line.length === 0 || line.charAt( 0 ) === '#' ) {
+
+ // Blank line or comment ignore
+ continue;
+
+ }
+
+ var pos = line.indexOf( ' ' );
+
+ var key = ( pos >= 0 ) ? line.substring( 0, pos ) : line;
+ key = key.toLowerCase();
+
+ var value = ( pos >= 0 ) ? line.substring( pos + 1 ) : '';
+ value = value.trim();
+
+ if ( key === 'newmtl' ) {
+
+ // New material
+
+ info = { name: value };
+ materialsInfo[ value ] = info;
+
+ } else if ( info ) {
+
+ if ( key === 'ka' || key === 'kd' || key === 'ks' ) {
+
+ var ss = value.split( delimiter_pattern, 3 );
+ info[ key ] = [ parseFloat( ss[ 0 ] ), parseFloat( ss[ 1 ] ), parseFloat( ss[ 2 ] ) ];
+
+ } else {
+
+ info[ key ] = value;
+
+ }
+
+ }
+
+ }
+
+ var materialCreator = new THREE.MTLLoader.MaterialCreator( this.texturePath || this.path, this.materialOptions );
+ materialCreator.setCrossOrigin( this.crossOrigin );
+ materialCreator.setManager( this.manager );
+ materialCreator.setMaterials( materialsInfo );
+ return materialCreator;
+
+ }
+
+};
+
+/**
+ * Create a new THREE-MTLLoader.MaterialCreator
+ * @param baseUrl - Url relative to which textures are loaded
+ * @param options - Set of options on how to construct the materials
+ * side: Which side to apply the material
+ * THREE.FrontSide (default), THREE.BackSide, THREE.DoubleSide
+ * wrap: What type of wrapping to apply for textures
+ * THREE.RepeatWrapping (default), THREE.ClampToEdgeWrapping, THREE.MirroredRepeatWrapping
+ * normalizeRGB: RGBs need to be normalized to 0-1 from 0-255
+ * Default: false, assumed to be already normalized
+ * ignoreZeroRGBs: Ignore values of RGBs (Ka,Kd,Ks) that are all 0's
+ * Default: false
+ * @constructor
+ */
+
+THREE.MTLLoader.MaterialCreator = function ( baseUrl, options ) {
+
+ this.baseUrl = baseUrl || '';
+ this.options = options;
+ this.materialsInfo = {};
+ this.materials = {};
+ this.materialsArray = [];
+ this.nameLookup = {};
+
+ this.side = ( this.options && this.options.side ) ? this.options.side : THREE.FrontSide;
+ this.wrap = ( this.options && this.options.wrap ) ? this.options.wrap : THREE.RepeatWrapping;
+
+};
+
+THREE.MTLLoader.MaterialCreator.prototype = {
+
+ constructor: THREE.MTLLoader.MaterialCreator,
+
+ crossOrigin: 'Anonymous',
+
+ setCrossOrigin: function ( value ) {
+
+ this.crossOrigin = value;
+
+ },
+
+ setManager: function ( value ) {
+
+ this.manager = value;
+
+ },
+
+ setMaterials: function ( materialsInfo ) {
+
+ this.materialsInfo = this.convert( materialsInfo );
+ this.materials = {};
+ this.materialsArray = [];
+ this.nameLookup = {};
+
+ },
+
+ convert: function ( materialsInfo ) {
+
+ if ( ! this.options ) return materialsInfo;
+
+ var converted = {};
+
+ for ( var mn in materialsInfo ) {
+
+ // Convert materials info into normalized form based on options
+
+ var mat = materialsInfo[ mn ];
+
+ var covmat = {};
+
+ converted[ mn ] = covmat;
+
+ for ( var prop in mat ) {
+
+ var save = true;
+ var value = mat[ prop ];
+ var lprop = prop.toLowerCase();
+
+ switch ( lprop ) {
+
+ case 'kd':
+ case 'ka':
+ case 'ks':
+
+ // Diffuse color (color under white light) using RGB values
+
+ if ( this.options && this.options.normalizeRGB ) {
+
+ value = [ value[ 0 ] / 255, value[ 1 ] / 255, value[ 2 ] / 255 ];
+
+ }
+
+ if ( this.options && this.options.ignoreZeroRGBs ) {
+
+ if ( value[ 0 ] === 0 && value[ 1 ] === 0 && value[ 2 ] === 0 ) {
+
+ // ignore
+
+ save = false;
+
+ }
+
+ }
+
+ break;
+
+ default:
+
+ break;
+
+ }
+
+ if ( save ) {
+
+ covmat[ lprop ] = value;
+
+ }
+
+ }
+
+ }
+
+ return converted;
+
+ },
+
+ preload: function () {
+
+ for ( var mn in this.materialsInfo ) {
+
+ this.create( mn );
+
+ }
+
+ },
+
+ getIndex: function ( materialName ) {
+
+ return this.nameLookup[ materialName ];
+
+ },
+
+ getAsArray: function () {
+
+ var index = 0;
+
+ for ( var mn in this.materialsInfo ) {
+
+ this.materialsArray[ index ] = this.create( mn );
+ this.nameLookup[ mn ] = index;
+ index ++;
+
+ }
+
+ return this.materialsArray;
+
+ },
+
+ create: function ( materialName ) {
+
+ if ( this.materials[ materialName ] === undefined ) {
+
+ this.createMaterial_( materialName );
+
+ }
+
+ return this.materials[ materialName ];
+
+ },
+
+ createMaterial_: function ( materialName ) {
+
+ // Create material
+
+ var scope = this;
+ var mat = this.materialsInfo[ materialName ];
+ var params = {
+
+ name: materialName,
+ side: this.side
+
+ };
+
+ function resolveURL( baseUrl, url ) {
+
+ if ( typeof url !== 'string' || url === '' )
+ return '';
+
+ // Absolute URL
+ if ( /^https?:\/\//i.test( url ) ) return url;
+
+ return baseUrl + url;
+
+ }
+
+ function setMapForType( mapType, value ) {
+
+ if ( params[ mapType ] ) return; // Keep the first encountered texture
+
+ var texParams = scope.getTextureParams( value, params );
+ var map = scope.loadTexture( resolveURL( scope.baseUrl, texParams.url ) );
+
+ map.repeat.copy( texParams.scale );
+ map.offset.copy( texParams.offset );
+
+ map.wrapS = scope.wrap;
+ map.wrapT = scope.wrap;
+
+ params[ mapType ] = map;
+
+ }
+
+ for ( var prop in mat ) {
+
+ var value = mat[ prop ];
+ var n;
+
+ if ( value === '' ) continue;
+
+ switch ( prop.toLowerCase() ) {
+
+ // Ns is material specular exponent
+
+ case 'kd':
+
+ // Diffuse color (color under white light) using RGB values
+
+ params.color = new THREE.Color().fromArray( value );
+
+ break;
+
+ case 'ks':
+
+ // Specular color (color when light is reflected from shiny surface) using RGB values
+ params.specular = new THREE.Color().fromArray( value );
+
+ break;
+
+ case 'map_kd':
+
+ // Diffuse texture map
+
+ setMapForType( "map", value );
+
+ break;
+
+ case 'map_ks':
+
+ // Specular map
+
+ setMapForType( "specularMap", value );
+
+ break;
+
+ case 'norm':
+
+ setMapForType( "normalMap", value );
+
+ break;
+
+ case 'map_bump':
+ case 'bump':
+
+ // Bump texture map
+
+ setMapForType( "bumpMap", value );
+
+ break;
+
+ case 'ns':
+
+ // The specular exponent (defines the focus of the specular highlight)
+ // A high exponent results in a tight, concentrated highlight. Ns values normally range from 0 to 1000.
+
+ params.shininess = parseFloat( value );
+
+ break;
+
+ case 'd':
+ n = parseFloat( value );
+
+ if ( n < 1 ) {
+
+ params.opacity = n;
+ params.transparent = true;
+
+ }
+
+ break;
+
+ case 'tr':
+ n = parseFloat( value );
+
+ if ( n > 0 ) {
+
+ params.opacity = 1 - n;
+ params.transparent = true;
+
+ }
+
+ break;
+
+ default:
+ break;
+
+ }
+
+ }
+
+ this.materials[ materialName ] = new THREE.MeshPhongMaterial( params );
+ return this.materials[ materialName ];
+
+ },
+
+ getTextureParams: function ( value, matParams ) {
+
+ var texParams = {
+
+ scale: new THREE.Vector2( 1, 1 ),
+ offset: new THREE.Vector2( 0, 0 )
+
+ };
+
+ var items = value.split( /\s+/ );
+ var pos;
+
+ pos = items.indexOf( '-bm' );
+
+ if ( pos >= 0 ) {
+
+ matParams.bumpScale = parseFloat( items[ pos + 1 ] );
+ items.splice( pos, 2 );
+
+ }
+
+ pos = items.indexOf( '-s' );
+
+ if ( pos >= 0 ) {
+
+ texParams.scale.set( parseFloat( items[ pos + 1 ] ), parseFloat( items[ pos + 2 ] ) );
+ items.splice( pos, 4 ); // we expect 3 parameters here!
+
+ }
+
+ pos = items.indexOf( '-o' );
+
+ if ( pos >= 0 ) {
+
+ texParams.offset.set( parseFloat( items[ pos + 1 ] ), parseFloat( items[ pos + 2 ] ) );
+ items.splice( pos, 4 ); // we expect 3 parameters here!
+
+ }
+
+ texParams.url = items.join( ' ' ).trim();
+ return texParams;
+
+ },
+
+ loadTexture: function ( url, mapping, onLoad, onProgress, onError ) {
+
+ var texture;
+ var loader = THREE.Loader.Handlers.get( url );
+ var manager = ( this.manager !== undefined ) ? this.manager : THREE.DefaultLoadingManager;
+
+ if ( loader === null ) {
+
+ loader = new THREE.TextureLoader( manager );
+
+ }
+
+ if ( loader.setCrossOrigin ) loader.setCrossOrigin( this.crossOrigin );
+ texture = loader.load( url, onLoad, onProgress, onError );
+
+ if ( mapping !== undefined ) texture.mapping = mapping;
+
+ return texture;
+
+ }
+
+};
+
+},{}],44:[function(_dereq_,module,exports){
+/**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+THREE.OBJLoader = ( function () {
+
+ // o object_name | g group_name
+ var object_pattern = /^[og]\s*(.+)?/;
+ // mtllib file_reference
+ var material_library_pattern = /^mtllib /;
+ // usemtl material_name
+ var material_use_pattern = /^usemtl /;
+
+ function ParserState() {
+
+ var state = {
+ objects: [],
+ object: {},
+
+ vertices: [],
+ normals: [],
+ colors: [],
+ uvs: [],
+
+ materialLibraries: [],
+
+ startObject: function ( name, fromDeclaration ) {
+
+ // If the current object (initial from reset) is not from a g/o declaration in the parsed
+ // file. We need to use it for the first parsed g/o to keep things in sync.
+ if ( this.object && this.object.fromDeclaration === false ) {
+
+ this.object.name = name;
+ this.object.fromDeclaration = ( fromDeclaration !== false );
+ return;
+
+ }
+
+ var previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );
+
+ if ( this.object && typeof this.object._finalize === 'function' ) {
+
+ this.object._finalize( true );
+
+ }
+
+ this.object = {
+ name: name || '',
+ fromDeclaration: ( fromDeclaration !== false ),
+
+ geometry: {
+ vertices: [],
+ normals: [],
+ colors: [],
+ uvs: []
+ },
+ materials: [],
+ smooth: true,
+
+ startMaterial: function ( name, libraries ) {
+
+ var previous = this._finalize( false );
+
+ // New usemtl declaration overwrites an inherited material, except if faces were declared
+ // after the material, then it must be preserved for proper MultiMaterial continuation.
+ if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
+
+ this.materials.splice( previous.index, 1 );
+
+ }
+
+ var material = {
+ index: this.materials.length,
+ name: name || '',
+ mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
+ smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
+ groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
+ groupEnd: - 1,
+ groupCount: - 1,
+ inherited: false,
+
+ clone: function ( index ) {
+
+ var cloned = {
+ index: ( typeof index === 'number' ? index : this.index ),
+ name: this.name,
+ mtllib: this.mtllib,
+ smooth: this.smooth,
+ groupStart: 0,
+ groupEnd: - 1,
+ groupCount: - 1,
+ inherited: false
+ };
+ cloned.clone = this.clone.bind( cloned );
+ return cloned;
+
+ }
+ };
+
+ this.materials.push( material );
+
+ return material;
+
+ },
+
+ currentMaterial: function () {
+
+ if ( this.materials.length > 0 ) {
+
+ return this.materials[ this.materials.length - 1 ];
+
+ }
+
+ return undefined;
+
+ },
+
+ _finalize: function ( end ) {
+
+ var lastMultiMaterial = this.currentMaterial();
+ if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
+
+ lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
+ lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
+ lastMultiMaterial.inherited = false;
+
+ }
+
+ // Ignore objects tail materials if no face declarations followed them before a new o/g started.
+ if ( end && this.materials.length > 1 ) {
+
+ for ( var mi = this.materials.length - 1; mi >= 0; mi -- ) {
+
+ if ( this.materials[ mi ].groupCount <= 0 ) {
+
+ this.materials.splice( mi, 1 );
+
+ }
+
+ }
+
+ }
+
+ // Guarantee at least one empty material, this makes the creation later more straight forward.
+ if ( end && this.materials.length === 0 ) {
+
+ this.materials.push( {
+ name: '',
+ smooth: this.smooth
+ } );
+
+ }
+
+ return lastMultiMaterial;
+
+ }
+ };
+
+ // Inherit previous objects material.
+ // Spec tells us that a declared material must be set to all objects until a new material is declared.
+ // If a usemtl declaration is encountered while this new object is being parsed, it will
+ // overwrite the inherited material. Exception being that there was already face declarations
+ // to the inherited material, then it will be preserved for proper MultiMaterial continuation.
+
+ if ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {
+
+ var declared = previousMaterial.clone( 0 );
+ declared.inherited = true;
+ this.object.materials.push( declared );
+
+ }
+
+ this.objects.push( this.object );
+
+ },
+
+ finalize: function () {
+
+ if ( this.object && typeof this.object._finalize === 'function' ) {
+
+ this.object._finalize( true );
+
+ }
+
+ },
+
+ parseVertexIndex: function ( value, len ) {
+
+ var index = parseInt( value, 10 );
+ return ( index >= 0 ? index - 1 : index + len / 3 ) * 3;
+
+ },
+
+ parseNormalIndex: function ( value, len ) {
+
+ var index = parseInt( value, 10 );
+ return ( index >= 0 ? index - 1 : index + len / 3 ) * 3;
+
+ },
+
+ parseUVIndex: function ( value, len ) {
+
+ var index = parseInt( value, 10 );
+ return ( index >= 0 ? index - 1 : index + len / 2 ) * 2;
+
+ },
+
+ addVertex: function ( a, b, c ) {
+
+ var src = this.vertices;
+ var dst = this.object.geometry.vertices;
+
+ dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
+ dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );
+ dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );
+
+ },
+
+ addVertexLine: function ( a ) {
+
+ var src = this.vertices;
+ var dst = this.object.geometry.vertices;
+
+ dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
+
+ },
+
+ addNormal: function ( a, b, c ) {
+
+ var src = this.normals;
+ var dst = this.object.geometry.normals;
+
+ dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
+ dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );
+ dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );
+
+ },
+
+ addColor: function ( a, b, c ) {
+
+ var src = this.colors;
+ var dst = this.object.geometry.colors;
+
+ dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
+ dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );
+ dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );
+
+ },
+
+ addUV: function ( a, b, c ) {
+
+ var src = this.uvs;
+ var dst = this.object.geometry.uvs;
+
+ dst.push( src[ a + 0 ], src[ a + 1 ] );
+ dst.push( src[ b + 0 ], src[ b + 1 ] );
+ dst.push( src[ c + 0 ], src[ c + 1 ] );
+
+ },
+
+ addUVLine: function ( a ) {
+
+ var src = this.uvs;
+ var dst = this.object.geometry.uvs;
+
+ dst.push( src[ a + 0 ], src[ a + 1 ] );
+
+ },
+
+ addFace: function ( a, b, c, ua, ub, uc, na, nb, nc ) {
+
+ var vLen = this.vertices.length;
+
+ var ia = this.parseVertexIndex( a, vLen );
+ var ib = this.parseVertexIndex( b, vLen );
+ var ic = this.parseVertexIndex( c, vLen );
+
+ this.addVertex( ia, ib, ic );
+
+ if ( ua !== undefined ) {
+
+ var uvLen = this.uvs.length;
+
+ ia = this.parseUVIndex( ua, uvLen );
+ ib = this.parseUVIndex( ub, uvLen );
+ ic = this.parseUVIndex( uc, uvLen );
+
+ this.addUV( ia, ib, ic );
+
+ }
+
+ if ( na !== undefined ) {
+
+ // Normals are many times the same. If so, skip function call and parseInt.
+ var nLen = this.normals.length;
+ ia = this.parseNormalIndex( na, nLen );
+
+ ib = na === nb ? ia : this.parseNormalIndex( nb, nLen );
+ ic = na === nc ? ia : this.parseNormalIndex( nc, nLen );
+
+ this.addNormal( ia, ib, ic );
+
+ }
+
+ if ( this.colors.length > 0 ) {
+
+ this.addColor( ia, ib, ic );
+
+ }
+
+ },
+
+ addLineGeometry: function ( vertices, uvs ) {
+
+ this.object.geometry.type = 'Line';
+
+ var vLen = this.vertices.length;
+ var uvLen = this.uvs.length;
+
+ for ( var vi = 0, l = vertices.length; vi < l; vi ++ ) {
+
+ this.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );
+
+ }
+
+ for ( var uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {
+
+ this.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );
+
+ }
+
+ }
+
+ };
+
+ state.startObject( '', false );
+
+ return state;
+
+ }
+
+ //
+
+ function OBJLoader( manager ) {
+
+ this.manager = ( manager !== undefined ) ? manager : THREE.DefaultLoadingManager;
+
+ this.materials = null;
+
+ }
+
+ OBJLoader.prototype = {
+
+ constructor: OBJLoader,
+
+ load: function ( url, onLoad, onProgress, onError ) {
+
+ var scope = this;
+
+ var loader = new THREE.FileLoader( scope.manager );
+ loader.setPath( this.path );
+ loader.load( url, function ( text ) {
+
+ onLoad( scope.parse( text ) );
+
+ }, onProgress, onError );
+
+ },
+
+ setPath: function ( value ) {
+
+ this.path = value;
+
+ },
+
+ setMaterials: function ( materials ) {
+
+ this.materials = materials;
+
+ return this;
+
+ },
+
+ parse: function ( text ) {
+
+ console.time( 'OBJLoader' );
+
+ var state = new ParserState();
+
+ if ( text.indexOf( '\r\n' ) !== - 1 ) {
+
+ // This is faster than String.split with regex that splits on both
+ text = text.replace( /\r\n/g, '\n' );
+
+ }
+
+ if ( text.indexOf( '\\\n' ) !== - 1 ) {
+
+ // join lines separated by a line continuation character (\)
+ text = text.replace( /\\\n/g, '' );
+
+ }
+
+ var lines = text.split( '\n' );
+ var line = '', lineFirstChar = '';
+ var lineLength = 0;
+ var result = [];
+
+ // Faster to just trim left side of the line. Use if available.
+ var trimLeft = ( typeof ''.trimLeft === 'function' );
+
+ for ( var i = 0, l = lines.length; i < l; i ++ ) {
+
+ line = lines[ i ];
+
+ line = trimLeft ? line.trimLeft() : line.trim();
+
+ lineLength = line.length;
+
+ if ( lineLength === 0 ) continue;
+
+ lineFirstChar = line.charAt( 0 );
+
+ // @todo invoke passed in handler if any
+ if ( lineFirstChar === '#' ) continue;
+
+ if ( lineFirstChar === 'v' ) {
+
+ var data = line.split( /\s+/ );
+
+ switch ( data[ 0 ] ) {
+
+ case 'v':
+ state.vertices.push(
+ parseFloat( data[ 1 ] ),
+ parseFloat( data[ 2 ] ),
+ parseFloat( data[ 3 ] )
+ );
+ if ( data.length === 8 ) {
+
+ state.colors.push(
+ parseFloat( data[ 4 ] ),
+ parseFloat( data[ 5 ] ),
+ parseFloat( data[ 6 ] )
+
+ );
+
+ }
+ break;
+ case 'vn':
+ state.normals.push(
+ parseFloat( data[ 1 ] ),
+ parseFloat( data[ 2 ] ),
+ parseFloat( data[ 3 ] )
+ );
+ break;
+ case 'vt':
+ state.uvs.push(
+ parseFloat( data[ 1 ] ),
+ parseFloat( data[ 2 ] )
+ );
+ break;
+
+ }
+
+ } else if ( lineFirstChar === 'f' ) {
+
+ var lineData = line.substr( 1 ).trim();
+ var vertexData = lineData.split( /\s+/ );
+ var faceVertices = [];
+
+ // Parse the face vertex data into an easy to work with format
+
+ for ( var j = 0, jl = vertexData.length; j < jl; j ++ ) {
+
+ var vertex = vertexData[ j ];
+
+ if ( vertex.length > 0 ) {
+
+ var vertexParts = vertex.split( '/' );
+ faceVertices.push( vertexParts );
+
+ }
+
+ }
+
+ // Draw an edge between the first vertex and all subsequent vertices to form an n-gon
+
+ var v1 = faceVertices[ 0 ];
+
+ for ( var j = 1, jl = faceVertices.length - 1; j < jl; j ++ ) {
+
+ var v2 = faceVertices[ j ];
+ var v3 = faceVertices[ j + 1 ];
+
+ state.addFace(
+ v1[ 0 ], v2[ 0 ], v3[ 0 ],
+ v1[ 1 ], v2[ 1 ], v3[ 1 ],
+ v1[ 2 ], v2[ 2 ], v3[ 2 ]
+ );
+
+ }
+
+ } else if ( lineFirstChar === 'l' ) {
+
+ var lineParts = line.substring( 1 ).trim().split( " " );
+ var lineVertices = [], lineUVs = [];
+
+ if ( line.indexOf( "/" ) === - 1 ) {
+
+ lineVertices = lineParts;
+
+ } else {
+
+ for ( var li = 0, llen = lineParts.length; li < llen; li ++ ) {
+
+ var parts = lineParts[ li ].split( "/" );
+
+ if ( parts[ 0 ] !== "" ) lineVertices.push( parts[ 0 ] );
+ if ( parts[ 1 ] !== "" ) lineUVs.push( parts[ 1 ] );
+
+ }
+
+ }
+ state.addLineGeometry( lineVertices, lineUVs );
+
+ } else if ( ( result = object_pattern.exec( line ) ) !== null ) {
+
+ // o object_name
+ // or
+ // g group_name
+
+ // WORKAROUND: https://bugs.chromium.org/p/v8/issues/detail?id=2869
+ // var name = result[ 0 ].substr( 1 ).trim();
+ var name = ( " " + result[ 0 ].substr( 1 ).trim() ).substr( 1 );
+
+ state.startObject( name );
+
+ } else if ( material_use_pattern.test( line ) ) {
+
+ // material
+
+ state.object.startMaterial( line.substring( 7 ).trim(), state.materialLibraries );
+
+ } else if ( material_library_pattern.test( line ) ) {
+
+ // mtl file
+
+ state.materialLibraries.push( line.substring( 7 ).trim() );
+
+ } else if ( lineFirstChar === 's' ) {
+
+ result = line.split( ' ' );
+
+ // smooth shading
+
+ // @todo Handle files that have varying smooth values for a set of faces inside one geometry,
+ // but does not define a usemtl for each face set.
+ // This should be detected and a dummy material created (later MultiMaterial and geometry groups).
+ // This requires some care to not create extra material on each smooth value for "normal" obj files.
+ // where explicit usemtl defines geometry groups.
+ // Example asset: examples/models/obj/cerberus/Cerberus.obj
+
+ /*
+ * http://paulbourke.net/dataformats/obj/
+ * or
+ * http://www.cs.utah.edu/~boulos/cs3505/obj_spec.pdf
+ *
+ * From chapter "Grouping" Syntax explanation "s group_number":
+ * "group_number is the smoothing group number. To turn off smoothing groups, use a value of 0 or off.
+ * Polygonal elements use group numbers to put elements in different smoothing groups. For free-form
+ * surfaces, smoothing groups are either turned on or off; there is no difference between values greater
+ * than 0."
+ */
+ if ( result.length > 1 ) {
+
+ var value = result[ 1 ].trim().toLowerCase();
+ state.object.smooth = ( value !== '0' && value !== 'off' );
+
+ } else {
+
+ // ZBrush can produce "s" lines #11707
+ state.object.smooth = true;
+
+ }
+ var material = state.object.currentMaterial();
+ if ( material ) material.smooth = state.object.smooth;
+
+ } else {
+
+ // Handle null terminated files without exception
+ if ( line === '\0' ) continue;
+
+ throw new Error( 'THREE.OBJLoader: Unexpected line: "' + line + '"' );
+
+ }
+
+ }
+
+ state.finalize();
+
+ var container = new THREE.Group();
+ container.materialLibraries = [].concat( state.materialLibraries );
+
+ for ( var i = 0, l = state.objects.length; i < l; i ++ ) {
+
+ var object = state.objects[ i ];
+ var geometry = object.geometry;
+ var materials = object.materials;
+ var isLine = ( geometry.type === 'Line' );
+
+ // Skip o/g line declarations that did not follow with any faces
+ if ( geometry.vertices.length === 0 ) continue;
+
+ var buffergeometry = new THREE.BufferGeometry();
+
+ buffergeometry.addAttribute( 'position', new THREE.Float32BufferAttribute( geometry.vertices, 3 ) );
+
+ if ( geometry.normals.length > 0 ) {
+
+ buffergeometry.addAttribute( 'normal', new THREE.Float32BufferAttribute( geometry.normals, 3 ) );
+
+ } else {
+
+ buffergeometry.computeVertexNormals();
+
+ }
+
+ if ( geometry.colors.length > 0 ) {
+
+ buffergeometry.addAttribute( 'color', new THREE.Float32BufferAttribute( geometry.colors, 3 ) );
+
+ }
+
+ if ( geometry.uvs.length > 0 ) {
+
+ buffergeometry.addAttribute( 'uv', new THREE.Float32BufferAttribute( geometry.uvs, 2 ) );
+
+ }
+
+ // Create materials
+
+ var createdMaterials = [];
+
+ for ( var mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {
+
+ var sourceMaterial = materials[ mi ];
+ var material = undefined;
+
+ if ( this.materials !== null ) {
+
+ material = this.materials.create( sourceMaterial.name );
+
+ // mtl etc. loaders probably can't create line materials correctly, copy properties to a line material.
+ if ( isLine && material && ! ( material instanceof THREE.LineBasicMaterial ) ) {
+
+ var materialLine = new THREE.LineBasicMaterial();
+ materialLine.copy( material );
+ material = materialLine;
+
+ }
+
+ }
+
+ if ( ! material ) {
+
+ material = ( ! isLine ? new THREE.MeshPhongMaterial() : new THREE.LineBasicMaterial() );
+ material.name = sourceMaterial.name;
+
+ }
+
+ material.flatShading = sourceMaterial.smooth ? false : true;
+
+ createdMaterials.push( material );
+
+ }
+
+ // Create mesh
+
+ var mesh;
+
+ if ( createdMaterials.length > 1 ) {
+
+ for ( var mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {
+
+ var sourceMaterial = materials[ mi ];
+ buffergeometry.addGroup( sourceMaterial.groupStart, sourceMaterial.groupCount, mi );
+
+ }
+
+ mesh = ( ! isLine ? new THREE.Mesh( buffergeometry, createdMaterials ) : new THREE.LineSegments( buffergeometry, createdMaterials ) );
+
+ } else {
+
+ mesh = ( ! isLine ? new THREE.Mesh( buffergeometry, createdMaterials[ 0 ] ) : new THREE.LineSegments( buffergeometry, createdMaterials[ 0 ] ) );
+
+ }
+
+ mesh.name = object.name;
+
+ container.add( mesh );
+
+ }
+
+ console.timeEnd( 'OBJLoader' );
+
+ return container;
+
+ }
+
+ };
+
+ return OBJLoader;
+
+} )();
+
+},{}],45:[function(_dereq_,module,exports){
+
+exports = module.exports = trim;
+
+function trim(str){
+ return str.replace(/^\s*|\s*$/g, '');
+}
+
+exports.left = function(str){
+ return str.replace(/^\s*/, '');
+};
+
+exports.right = function(str){
+ return str.replace(/\s*$/, '');
+};
+
+},{}],46:[function(_dereq_,module,exports){
+module.exports={
+ "_from": "webvr-polyfill@^0.9.40",
+ "_id": "webvr-polyfill@0.9.40",
+ "_inBundle": false,
+ "_integrity": "sha512-m7jhJHjFcUYPyPSNeGmly7a2h/cP7bARz0OZMoUn5SueVXEKeZ4P7bzbAUDBDvvqCsa5gHgM3PFIhYe13bqaWw==",
+ "_location": "/webvr-polyfill",
+ "_phantomChildren": {},
+ "_requested": {
+ "type": "range",
+ "registry": true,
+ "raw": "webvr-polyfill@^0.9.40",
+ "name": "webvr-polyfill",
+ "escapedName": "webvr-polyfill",
+ "rawSpec": "^0.9.40",
+ "saveSpec": null,
+ "fetchSpec": "^0.9.40"
+ },
+ "_requiredBy": [
+ "/"
+ ],
+ "_resolved": "https://registry.npmjs.org/webvr-polyfill/-/webvr-polyfill-0.9.40.tgz",
+ "_shasum": "2cfa0ec0e0cc6ba7238c73a09cba4952fff59a63",
+ "_spec": "webvr-polyfill@^0.9.40",
+ "_where": "/Users/unboring/Documents/code/aframe",
+ "authors": [
+ "Boris Smus <boris@smus.com>",
+ "Brandon Jones <tojiro@gmail.com>",
+ "Jordan Santell <jordan@jsantell.com>"
+ ],
+ "bugs": {
+ "url": "https://github.com/googlevr/webvr-polyfill/issues"
+ },
+ "bundleDependencies": false,
+ "deprecated": false,
+ "description": "Use WebVR today, on mobile or desktop, without requiring a special browser build.",
+ "devDependencies": {
+ "chai": "^3.5.0",
+ "jsdom": "^9.12.0",
+ "mocha": "^3.2.0",
+ "semver": "^5.3.0",
+ "webpack": "^2.6.1",
+ "webpack-dev-server": "2.7.1"
+ },
+ "homepage": "https://github.com/googlevr/webvr-polyfill",
+ "keywords": [
+ "vr",
+ "webvr"
+ ],
+ "license": "Apache-2.0",
+ "main": "src/node-entry",
+ "name": "webvr-polyfill",
+ "repository": {
+ "type": "git",
+ "url": "git+https://github.com/googlevr/webvr-polyfill.git"
+ },
+ "scripts": {
+ "build": "webpack",
+ "start": "npm run watch",
+ "test": "mocha",
+ "watch": "webpack-dev-server"
+ },
+ "version": "0.9.40"
+}
+
+},{}],47:[function(_dereq_,module,exports){
+/*
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var Util = _dereq_('./util.js');
+var WakeLock = _dereq_('./wakelock.js');
+
+// Start at a higher number to reduce chance of conflict.
+var nextDisplayId = 1000;
+var hasShowDeprecationWarning = false;
+
+var defaultLeftBounds = [0, 0, 0.5, 1];
+var defaultRightBounds = [0.5, 0, 0.5, 1];
+
+/**
+ * The base class for all VR frame data.
+ */
+
+function VRFrameData() {
+ this.leftProjectionMatrix = new Float32Array(16);
+ this.leftViewMatrix = new Float32Array(16);
+ this.rightProjectionMatrix = new Float32Array(16);
+ this.rightViewMatrix = new Float32Array(16);
+ this.pose = null;
+};
+
+/**
+ * The base class for all VR displays.
+ */
+function VRDisplay() {
+ this.isPolyfilled = true;
+ this.displayId = nextDisplayId++;
+ this.displayName = 'webvr-polyfill displayName';
+
+ this.depthNear = 0.01;
+ this.depthFar = 10000.0;
+
+ this.isConnected = true;
+ this.isPresenting = false;
+ this.capabilities = {
+ hasPosition: false,
+ hasOrientation: false,
+ hasExternalDisplay: false,
+ canPresent: false,
+ maxLayers: 1
+ };
+ this.stageParameters = null;
+
+ // "Private" members.
+ this.waitingForPresent_ = false;
+ this.layer_ = null;
+
+ this.fullscreenElement_ = null;
+ this.fullscreenWrapper_ = null;
+ this.fullscreenElementCachedStyle_ = null;
+
+ this.fullscreenEventTarget_ = null;
+ this.fullscreenChangeHandler_ = null;
+ this.fullscreenErrorHandler_ = null;
+
+ this.wakelock_ = new WakeLock();
+}
+
+VRDisplay.prototype.getFrameData = function(frameData) {
+ // TODO: Technically this should retain it's value for the duration of a frame
+ // but I doubt that's practical to do in javascript.
+ return Util.frameDataFromPose(frameData, this.getPose(), this);
+};
+
+VRDisplay.prototype.getPose = function() {
+ // TODO: Technically this should retain it's value for the duration of a frame
+ // but I doubt that's practical to do in javascript.
+ return this.getImmediatePose();
+};
+
+VRDisplay.prototype.requestAnimationFrame = function(callback) {
+ return window.requestAnimationFrame(callback);
+};
+
+VRDisplay.prototype.cancelAnimationFrame = function(id) {
+ return window.cancelAnimationFrame(id);
+};
+
+VRDisplay.prototype.wrapForFullscreen = function(element) {
+ // Don't wrap in iOS.
+ if (Util.isIOS()) {
+ return element;
+ }
+ if (!this.fullscreenWrapper_) {
+ this.fullscreenWrapper_ = document.createElement('div');
+ var cssProperties = [
+ 'height: ' + Math.min(screen.height, screen.width) + 'px !important',
+ 'top: 0 !important',
+ 'left: 0 !important',
+ 'right: 0 !important',
+ 'border: 0',
+ 'margin: 0',
+ 'padding: 0',
+ 'z-index: 999999 !important',
+ 'position: fixed',
+ ];
+ this.fullscreenWrapper_.setAttribute('style', cssProperties.join('; ') + ';');
+ this.fullscreenWrapper_.classList.add('webvr-polyfill-fullscreen-wrapper');
+ }
+
+ if (this.fullscreenElement_ == element) {
+ return this.fullscreenWrapper_;
+ }
+
+ // Remove any previously applied wrappers
+ this.removeFullscreenWrapper();
+
+ this.fullscreenElement_ = element;
+ var parent = this.fullscreenElement_.parentElement;
+ parent.insertBefore(this.fullscreenWrapper_, this.fullscreenElement_);
+ parent.removeChild(this.fullscreenElement_);
+ this.fullscreenWrapper_.insertBefore(this.fullscreenElement_, this.fullscreenWrapper_.firstChild);
+ this.fullscreenElementCachedStyle_ = this.fullscreenElement_.getAttribute('style');
+
+ var self = this;
+ function applyFullscreenElementStyle() {
+ if (!self.fullscreenElement_) {
+ return;
+ }
+
+ var cssProperties = [
+ 'position: absolute',
+ 'top: 0',
+ 'left: 0',
+ 'width: ' + Math.max(screen.width, screen.height) + 'px',
+ 'height: ' + Math.min(screen.height, screen.width) + 'px',
+ 'border: 0',
+ 'margin: 0',
+ 'padding: 0',
+ ];
+ self.fullscreenElement_.setAttribute('style', cssProperties.join('; ') + ';');
+ }
+
+ applyFullscreenElementStyle();
+
+ return this.fullscreenWrapper_;
+};
+
+VRDisplay.prototype.removeFullscreenWrapper = function() {
+ if (!this.fullscreenElement_) {
+ return;
+ }
+
+ var element = this.fullscreenElement_;
+ if (this.fullscreenElementCachedStyle_) {
+ element.setAttribute('style', this.fullscreenElementCachedStyle_);
+ } else {
+ element.removeAttribute('style');
+ }
+ this.fullscreenElement_ = null;
+ this.fullscreenElementCachedStyle_ = null;
+
+ var parent = this.fullscreenWrapper_.parentElement;
+ this.fullscreenWrapper_.removeChild(element);
+ parent.insertBefore(element, this.fullscreenWrapper_);
+ parent.removeChild(this.fullscreenWrapper_);
+
+ return element;
+};
+
+VRDisplay.prototype.requestPresent = function(layers) {
+ var wasPresenting = this.isPresenting;
+ var self = this;
+
+ if (!(layers instanceof Array)) {
+ if (!hasShowDeprecationWarning) {
+ console.warn("Using a deprecated form of requestPresent. Should pass in an array of VRLayers.");
+ hasShowDeprecationWarning = true;
+ }
+ layers = [layers];
+ }
+
+ return new Promise(function(resolve, reject) {
+ if (!self.capabilities.canPresent) {
+ reject(new Error('VRDisplay is not capable of presenting.'));
+ return;
+ }
+
+ if (layers.length == 0 || layers.length > self.capabilities.maxLayers) {
+ reject(new Error('Invalid number of layers.'));
+ return;
+ }
+
+ var incomingLayer = layers[0];
+ if (!incomingLayer.source) {
+ /*
+ todo: figure out the correct behavior if the source is not provided.
+ see https://github.com/w3c/webvr/issues/58
+ */
+ resolve();
+ return;
+ }
+
+ var leftBounds = incomingLayer.leftBounds || defaultLeftBounds;
+ var rightBounds = incomingLayer.rightBounds || defaultRightBounds;
+ if (wasPresenting) {
+ // Already presenting, just changing configuration
+ var layer = self.layer_;
+ if (layer.source !== incomingLayer.source) {
+ layer.source = incomingLayer.source;
+ }
+
+ for (var i = 0; i < 4; i++) {
+ layer.leftBounds[i] = leftBounds[i];
+ layer.rightBounds[i] = rightBounds[i];
+ }
+
+ resolve();
+ return;
+ }
+
+ // Was not already presenting.
+ self.layer_ = {
+ predistorted: incomingLayer.predistorted,
+ source: incomingLayer.source,
+ leftBounds: leftBounds.slice(0),
+ rightBounds: rightBounds.slice(0)
+ };
+
+ self.waitingForPresent_ = false;
+ if (self.layer_ && self.layer_.source) {
+ var fullscreenElement = self.wrapForFullscreen(self.layer_.source);
+
+ var onFullscreenChange = function() {
+ var actualFullscreenElement = Util.getFullscreenElement();
+
+ self.isPresenting = (fullscreenElement === actualFullscreenElement);
+ if (self.isPresenting) {
+ if (screen.orientation && screen.orientation.lock) {
+ screen.orientation.lock('landscape-primary').catch(function(error){
+ console.error('screen.orientation.lock() failed due to', error.message)
+ });
+ }
+ self.waitingForPresent_ = false;
+ self.beginPresent_();
+ resolve();
+ } else {
+ if (screen.orientation && screen.orientation.unlock) {
+ screen.orientation.unlock();
+ }
+ self.removeFullscreenWrapper();
+ self.wakelock_.release();
+ self.endPresent_();
+ self.removeFullscreenListeners_();
+ }
+ self.fireVRDisplayPresentChange_();
+ }
+ var onFullscreenError = function() {
+ if (!self.waitingForPresent_) {
+ return;
+ }
+
+ self.removeFullscreenWrapper();
+ self.removeFullscreenListeners_();
+
+ self.wakelock_.release();
+ self.waitingForPresent_ = false;
+ self.isPresenting = false;
+
+ reject(new Error('Unable to present.'));
+ }
+
+ self.addFullscreenListeners_(fullscreenElement,
+ onFullscreenChange, onFullscreenError);
+
+ if (Util.requestFullscreen(fullscreenElement)) {
+ self.wakelock_.request();
+ self.waitingForPresent_ = true;
+ } else if (Util.isIOS() || Util.isWebViewAndroid()) {
+ // *sigh* Just fake it.
+ self.wakelock_.request();
+ self.isPresenting = true;
+ self.beginPresent_();
+ self.fireVRDisplayPresentChange_();
+ resolve();
+ }
+ }
+
+ if (!self.waitingForPresent_ && !Util.isIOS()) {
+ Util.exitFullscreen();
+ reject(new Error('Unable to present.'));
+ }
+ });
+};
+
+VRDisplay.prototype.exitPresent = function() {
+ var wasPresenting = this.isPresenting;
+ var self = this;
+ this.isPresenting = false;
+ this.layer_ = null;
+ this.wakelock_.release();
+
+ return new Promise(function(resolve, reject) {
+ if (wasPresenting) {
+ if (!Util.exitFullscreen() && Util.isIOS()) {
+ self.endPresent_();
+ self.fireVRDisplayPresentChange_();
+ }
+
+ if (Util.isWebViewAndroid()) {
+ self.removeFullscreenWrapper();
+ self.removeFullscreenListeners_();
+ self.endPresent_();
+ self.fireVRDisplayPresentChange_();
+ }
+
+ resolve();
+ } else {
+ reject(new Error('Was not presenting to VRDisplay.'));
+ }
+ });
+};
+
+VRDisplay.prototype.getLayers = function() {
+ if (this.layer_) {
+ return [this.layer_];
+ }
+ return [];
+};
+
+VRDisplay.prototype.fireVRDisplayPresentChange_ = function() {
+ // Important: unfortunately we cannot have full spec compliance here.
+ // CustomEvent custom fields all go under e.detail (so the VRDisplay ends up
+ // being e.detail.display, instead of e.display as per WebVR spec).
+ var event = new CustomEvent('vrdisplaypresentchange', {detail: {display: this}});
+ window.dispatchEvent(event);
+};
+
+VRDisplay.prototype.fireVRDisplayConnect_ = function() {
+ // Important: unfortunately we cannot have full spec compliance here.
+ // CustomEvent custom fields all go under e.detail (so the VRDisplay ends up
+ // being e.detail.display, instead of e.display as per WebVR spec).
+ var event = new CustomEvent('vrdisplayconnect', {detail: {display: this}});
+ window.dispatchEvent(event);
+};
+
+VRDisplay.prototype.addFullscreenListeners_ = function(element, changeHandler, errorHandler) {
+ this.removeFullscreenListeners_();
+
+ this.fullscreenEventTarget_ = element;
+ this.fullscreenChangeHandler_ = changeHandler;
+ this.fullscreenErrorHandler_ = errorHandler;
+
+ if (changeHandler) {
+ if (document.fullscreenEnabled) {
+ element.addEventListener('fullscreenchange', changeHandler, false);
+ } else if (document.webkitFullscreenEnabled) {
+ element.addEventListener('webkitfullscreenchange', changeHandler, false);
+ } else if (document.mozFullScreenEnabled) {
+ document.addEventListener('mozfullscreenchange', changeHandler, false);
+ } else if (document.msFullscreenEnabled) {
+ element.addEventListener('msfullscreenchange', changeHandler, false);
+ }
+ }
+
+ if (errorHandler) {
+ if (document.fullscreenEnabled) {
+ element.addEventListener('fullscreenerror', errorHandler, false);
+ } else if (document.webkitFullscreenEnabled) {
+ element.addEventListener('webkitfullscreenerror', errorHandler, false);
+ } else if (document.mozFullScreenEnabled) {
+ document.addEventListener('mozfullscreenerror', errorHandler, false);
+ } else if (document.msFullscreenEnabled) {
+ element.addEventListener('msfullscreenerror', errorHandler, false);
+ }
+ }
+};
+
+VRDisplay.prototype.removeFullscreenListeners_ = function() {
+ if (!this.fullscreenEventTarget_)
+ return;
+
+ var element = this.fullscreenEventTarget_;
+
+ if (this.fullscreenChangeHandler_) {
+ var changeHandler = this.fullscreenChangeHandler_;
+ element.removeEventListener('fullscreenchange', changeHandler, false);
+ element.removeEventListener('webkitfullscreenchange', changeHandler, false);
+ document.removeEventListener('mozfullscreenchange', changeHandler, false);
+ element.removeEventListener('msfullscreenchange', changeHandler, false);
+ }
+
+ if (this.fullscreenErrorHandler_) {
+ var errorHandler = this.fullscreenErrorHandler_;
+ element.removeEventListener('fullscreenerror', errorHandler, false);
+ element.removeEventListener('webkitfullscreenerror', errorHandler, false);
+ document.removeEventListener('mozfullscreenerror', errorHandler, false);
+ element.removeEventListener('msfullscreenerror', errorHandler, false);
+ }
+
+ this.fullscreenEventTarget_ = null;
+ this.fullscreenChangeHandler_ = null;
+ this.fullscreenErrorHandler_ = null;
+};
+
+VRDisplay.prototype.beginPresent_ = function() {
+ // Override to add custom behavior when presentation begins.
+};
+
+VRDisplay.prototype.endPresent_ = function() {
+ // Override to add custom behavior when presentation ends.
+};
+
+VRDisplay.prototype.submitFrame = function(pose) {
+ // Override to add custom behavior for frame submission.
+};
+
+VRDisplay.prototype.getEyeParameters = function(whichEye) {
+ // Override to return accurate eye parameters if canPresent is true.
+ return null;
+};
+
+/*
+ * Deprecated classes
+ */
+
+/**
+ * The base class for all VR devices. (Deprecated)
+ */
+function VRDevice() {
+ this.isPolyfilled = true;
+ this.hardwareUnitId = 'webvr-polyfill hardwareUnitId';
+ this.deviceId = 'webvr-polyfill deviceId';
+ this.deviceName = 'webvr-polyfill deviceName';
+}
+
+/**
+ * The base class for all VR HMD devices. (Deprecated)
+ */
+function HMDVRDevice() {
+}
+HMDVRDevice.prototype = new VRDevice();
+
+/**
+ * The base class for all VR position sensor devices. (Deprecated)
+ */
+function PositionSensorVRDevice() {
+}
+PositionSensorVRDevice.prototype = new VRDevice();
+
+module.exports.VRFrameData = VRFrameData;
+module.exports.VRDisplay = VRDisplay;
+module.exports.VRDevice = VRDevice;
+module.exports.HMDVRDevice = HMDVRDevice;
+module.exports.PositionSensorVRDevice = PositionSensorVRDevice;
+
+},{"./util.js":67,"./wakelock.js":69}],48:[function(_dereq_,module,exports){
+/*
+ * Copyright 2016 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var CardboardUI = _dereq_('./cardboard-ui.js');
+var Util = _dereq_('./util.js');
+var WGLUPreserveGLState = _dereq_('./deps/wglu-preserve-state.js');
+
+var distortionVS = [
+ 'attribute vec2 position;',
+ 'attribute vec3 texCoord;',
+
+ 'varying vec2 vTexCoord;',
+
+ 'uniform vec4 viewportOffsetScale[2];',
+
+ 'void main() {',
+ ' vec4 viewport = viewportOffsetScale[int(texCoord.z)];',
+ ' vTexCoord = (texCoord.xy * viewport.zw) + viewport.xy;',
+ ' gl_Position = vec4( position, 1.0, 1.0 );',
+ '}',
+].join('\n');
+
+var distortionFS = [
+ 'precision mediump float;',
+ 'uniform sampler2D diffuse;',
+
+ 'varying vec2 vTexCoord;',
+
+ 'void main() {',
+ ' gl_FragColor = texture2D(diffuse, vTexCoord);',
+ '}',
+].join('\n');
+
+/**
+ * A mesh-based distorter.
+ */
+function CardboardDistorter(gl) {
+ this.gl = gl;
+ this.ctxAttribs = gl.getContextAttributes();
+
+ this.meshWidth = 20;
+ this.meshHeight = 20;
+
+ this.bufferScale = window.WebVRConfig.BUFFER_SCALE;
+
+ this.bufferWidth = gl.drawingBufferWidth;
+ this.bufferHeight = gl.drawingBufferHeight;
+
+ // Patching support
+ this.realBindFramebuffer = gl.bindFramebuffer;
+ this.realEnable = gl.enable;
+ this.realDisable = gl.disable;
+ this.realColorMask = gl.colorMask;
+ this.realClearColor = gl.clearColor;
+ this.realViewport = gl.viewport;
+
+ if (!Util.isIOS()) {
+ this.realCanvasWidth = Object.getOwnPropertyDescriptor(gl.canvas.__proto__, 'width');
+ this.realCanvasHeight = Object.getOwnPropertyDescriptor(gl.canvas.__proto__, 'height');
+ }
+
+ this.isPatched = false;
+
+ // State tracking
+ this.lastBoundFramebuffer = null;
+ this.cullFace = false;
+ this.depthTest = false;
+ this.blend = false;
+ this.scissorTest = false;
+ this.stencilTest = false;
+ this.viewport = [0, 0, 0, 0];
+ this.colorMask = [true, true, true, true];
+ this.clearColor = [0, 0, 0, 0];
+
+ this.attribs = {
+ position: 0,
+ texCoord: 1
+ };
+ this.program = Util.linkProgram(gl, distortionVS, distortionFS, this.attribs);
+ this.uniforms = Util.getProgramUniforms(gl, this.program);
+
+ this.viewportOffsetScale = new Float32Array(8);
+ this.setTextureBounds();
+
+ this.vertexBuffer = gl.createBuffer();
+ this.indexBuffer = gl.createBuffer();
+ this.indexCount = 0;
+
+ this.renderTarget = gl.createTexture();
+ this.framebuffer = gl.createFramebuffer();
+
+ this.depthStencilBuffer = null;
+ this.depthBuffer = null;
+ this.stencilBuffer = null;
+
+ if (this.ctxAttribs.depth && this.ctxAttribs.stencil) {
+ this.depthStencilBuffer = gl.createRenderbuffer();
+ } else if (this.ctxAttribs.depth) {
+ this.depthBuffer = gl.createRenderbuffer();
+ } else if (this.ctxAttribs.stencil) {
+ this.stencilBuffer = gl.createRenderbuffer();
+ }
+
+ this.patch();
+
+ this.onResize();
+
+ if (!window.WebVRConfig.CARDBOARD_UI_DISABLED) {
+ this.cardboardUI = new CardboardUI(gl);
+ }
+};
+
+/**
+ * Tears down all the resources created by the distorter and removes any
+ * patches.
+ */
+CardboardDistorter.prototype.destroy = function() {
+ var gl = this.gl;
+
+ this.unpatch();
+
+ gl.deleteProgram(this.program);
+ gl.deleteBuffer(this.vertexBuffer);
+ gl.deleteBuffer(this.indexBuffer);
+ gl.deleteTexture(this.renderTarget);
+ gl.deleteFramebuffer(this.framebuffer);
+ if (this.depthStencilBuffer) {
+ gl.deleteRenderbuffer(this.depthStencilBuffer);
+ }
+ if (this.depthBuffer) {
+ gl.deleteRenderbuffer(this.depthBuffer);
+ }
+ if (this.stencilBuffer) {
+ gl.deleteRenderbuffer(this.stencilBuffer);
+ }
+
+ if (this.cardboardUI) {
+ this.cardboardUI.destroy();
+ }
+};
+
+
+/**
+ * Resizes the backbuffer to match the canvas width and height.
+ */
+CardboardDistorter.prototype.onResize = function() {
+ var gl = this.gl;
+ var self = this;
+
+ var glState = [
+ gl.RENDERBUFFER_BINDING,
+ gl.TEXTURE_BINDING_2D, gl.TEXTURE0
+ ];
+
+ WGLUPreserveGLState(gl, glState, function(gl) {
+ // Bind real backbuffer and clear it once. We don't need to clear it again
+ // after that because we're overwriting the same area every frame.
+ self.realBindFramebuffer.call(gl, gl.FRAMEBUFFER, null);
+
+ // Put things in a good state
+ if (self.scissorTest) { self.realDisable.call(gl, gl.SCISSOR_TEST); }
+ self.realColorMask.call(gl, true, true, true, true);
+ self.realViewport.call(gl, 0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
+ self.realClearColor.call(gl, 0, 0, 0, 1);
+
+ gl.clear(gl.COLOR_BUFFER_BIT);
+
+ // Now bind and resize the fake backbuffer
+ self.realBindFramebuffer.call(gl, gl.FRAMEBUFFER, self.framebuffer);
+
+ gl.bindTexture(gl.TEXTURE_2D, self.renderTarget);
+ gl.texImage2D(gl.TEXTURE_2D, 0, self.ctxAttribs.alpha ? gl.RGBA : gl.RGB,
+ self.bufferWidth, self.bufferHeight, 0,
+ self.ctxAttribs.alpha ? gl.RGBA : gl.RGB, gl.UNSIGNED_BYTE, null);
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
+ gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, self.renderTarget, 0);
+
+ if (self.ctxAttribs.depth && self.ctxAttribs.stencil) {
+ gl.bindRenderbuffer(gl.RENDERBUFFER, self.depthStencilBuffer);
+ gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_STENCIL,
+ self.bufferWidth, self.bufferHeight);
+ gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.DEPTH_STENCIL_ATTACHMENT,
+ gl.RENDERBUFFER, self.depthStencilBuffer);
+ } else if (self.ctxAttribs.depth) {
+ gl.bindRenderbuffer(gl.RENDERBUFFER, self.depthBuffer);
+ gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_COMPONENT16,
+ self.bufferWidth, self.bufferHeight);
+ gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT,
+ gl.RENDERBUFFER, self.depthBuffer);
+ } else if (self.ctxAttribs.stencil) {
+ gl.bindRenderbuffer(gl.RENDERBUFFER, self.stencilBuffer);
+ gl.renderbufferStorage(gl.RENDERBUFFER, gl.STENCIL_INDEX8,
+ self.bufferWidth, self.bufferHeight);
+ gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.STENCIL_ATTACHMENT,
+ gl.RENDERBUFFER, self.stencilBuffer);
+ }
+
+ if (!gl.checkFramebufferStatus(gl.FRAMEBUFFER) === gl.FRAMEBUFFER_COMPLETE) {
+ console.error('Framebuffer incomplete!');
+ }
+
+ self.realBindFramebuffer.call(gl, gl.FRAMEBUFFER, self.lastBoundFramebuffer);
+
+ if (self.scissorTest) { self.realEnable.call(gl, gl.SCISSOR_TEST); }
+
+ self.realColorMask.apply(gl, self.colorMask);
+ self.realViewport.apply(gl, self.viewport);
+ self.realClearColor.apply(gl, self.clearColor);
+ });
+
+ if (this.cardboardUI) {
+ this.cardboardUI.onResize();
+ }
+};
+
+CardboardDistorter.prototype.patch = function() {
+ if (this.isPatched) {
+ return;
+ }
+
+ var self = this;
+ var canvas = this.gl.canvas;
+ var gl = this.gl;
+
+ if (!Util.isIOS()) {
+ canvas.width = Util.getScreenWidth() * this.bufferScale;
+ canvas.height = Util.getScreenHeight() * this.bufferScale;
+
+ Object.defineProperty(canvas, 'width', {
+ configurable: true,
+ enumerable: true,
+ get: function() {
+ return self.bufferWidth;
+ },
+ set: function(value) {
+ self.bufferWidth = value;
+ self.realCanvasWidth.set.call(canvas, value);
+ self.onResize();
+ }
+ });
+
+ Object.defineProperty(canvas, 'height', {
+ configurable: true,
+ enumerable: true,
+ get: function() {
+ return self.bufferHeight;
+ },
+ set: function(value) {
+ self.bufferHeight = value;
+ self.realCanvasHeight.set.call(canvas, value);
+ self.onResize();
+ }
+ });
+ }
+
+ this.lastBoundFramebuffer = gl.getParameter(gl.FRAMEBUFFER_BINDING);
+
+ if (this.lastBoundFramebuffer == null) {
+ this.lastBoundFramebuffer = this.framebuffer;
+ this.gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer);
+ }
+
+ this.gl.bindFramebuffer = function(target, framebuffer) {
+ self.lastBoundFramebuffer = framebuffer ? framebuffer : self.framebuffer;
+ // Silently make calls to bind the default framebuffer bind ours instead.
+ self.realBindFramebuffer.call(gl, target, self.lastBoundFramebuffer);
+ };
+
+ this.cullFace = gl.getParameter(gl.CULL_FACE);
+ this.depthTest = gl.getParameter(gl.DEPTH_TEST);
+ this.blend = gl.getParameter(gl.BLEND);
+ this.scissorTest = gl.getParameter(gl.SCISSOR_TEST);
+ this.stencilTest = gl.getParameter(gl.STENCIL_TEST);
+
+ gl.enable = function(pname) {
+ switch (pname) {
+ case gl.CULL_FACE: self.cullFace = true; break;
+ case gl.DEPTH_TEST: self.depthTest = true; break;
+ case gl.BLEND: self.blend = true; break;
+ case gl.SCISSOR_TEST: self.scissorTest = true; break;
+ case gl.STENCIL_TEST: self.stencilTest = true; break;
+ }
+ self.realEnable.call(gl, pname);
+ };
+
+ gl.disable = function(pname) {
+ switch (pname) {
+ case gl.CULL_FACE: self.cullFace = false; break;
+ case gl.DEPTH_TEST: self.depthTest = false; break;
+ case gl.BLEND: self.blend = false; break;
+ case gl.SCISSOR_TEST: self.scissorTest = false; break;
+ case gl.STENCIL_TEST: self.stencilTest = false; break;
+ }
+ self.realDisable.call(gl, pname);
+ };
+
+ this.colorMask = gl.getParameter(gl.COLOR_WRITEMASK);
+ gl.colorMask = function(r, g, b, a) {
+ self.colorMask[0] = r;
+ self.colorMask[1] = g;
+ self.colorMask[2] = b;
+ self.colorMask[3] = a;
+ self.realColorMask.call(gl, r, g, b, a);
+ };
+
+ this.clearColor = gl.getParameter(gl.COLOR_CLEAR_VALUE);
+ gl.clearColor = function(r, g, b, a) {
+ self.clearColor[0] = r;
+ self.clearColor[1] = g;
+ self.clearColor[2] = b;
+ self.clearColor[3] = a;
+ self.realClearColor.call(gl, r, g, b, a);
+ };
+
+ this.viewport = gl.getParameter(gl.VIEWPORT);
+ gl.viewport = function(x, y, w, h) {
+ self.viewport[0] = x;
+ self.viewport[1] = y;
+ self.viewport[2] = w;
+ self.viewport[3] = h;
+ self.realViewport.call(gl, x, y, w, h);
+ };
+
+ this.isPatched = true;
+ Util.safariCssSizeWorkaround(canvas);
+};
+
+CardboardDistorter.prototype.unpatch = function() {
+ if (!this.isPatched) {
+ return;
+ }
+
+ var gl = this.gl;
+ var canvas = this.gl.canvas;
+
+ if (!Util.isIOS()) {
+ Object.defineProperty(canvas, 'width', this.realCanvasWidth);
+ Object.defineProperty(canvas, 'height', this.realCanvasHeight);
+ }
+ canvas.width = this.bufferWidth;
+ canvas.height = this.bufferHeight;
+
+ gl.bindFramebuffer = this.realBindFramebuffer;
+ gl.enable = this.realEnable;
+ gl.disable = this.realDisable;
+ gl.colorMask = this.realColorMask;
+ gl.clearColor = this.realClearColor;
+ gl.viewport = this.realViewport;
+
+ // Check to see if our fake backbuffer is bound and bind the real backbuffer
+ // if that's the case.
+ if (this.lastBoundFramebuffer == this.framebuffer) {
+ gl.bindFramebuffer(gl.FRAMEBUFFER, null);
+ }
+
+ this.isPatched = false;
+
+ setTimeout(function() {
+ Util.safariCssSizeWorkaround(canvas);
+ }, 1);
+};
+
+CardboardDistorter.prototype.setTextureBounds = function(leftBounds, rightBounds) {
+ if (!leftBounds) {
+ leftBounds = [0, 0, 0.5, 1];
+ }
+
+ if (!rightBounds) {
+ rightBounds = [0.5, 0, 0.5, 1];
+ }
+
+ // Left eye
+ this.viewportOffsetScale[0] = leftBounds[0]; // X
+ this.viewportOffsetScale[1] = leftBounds[1]; // Y
+ this.viewportOffsetScale[2] = leftBounds[2]; // Width
+ this.viewportOffsetScale[3] = leftBounds[3]; // Height
+
+ // Right eye
+ this.viewportOffsetScale[4] = rightBounds[0]; // X
+ this.viewportOffsetScale[5] = rightBounds[1]; // Y
+ this.viewportOffsetScale[6] = rightBounds[2]; // Width
+ this.viewportOffsetScale[7] = rightBounds[3]; // Height
+};
+
+/**
+ * Performs distortion pass on the injected backbuffer, rendering it to the real
+ * backbuffer.
+ */
+CardboardDistorter.prototype.submitFrame = function() {
+ var gl = this.gl;
+ var self = this;
+
+ var glState = [];
+
+ if (!window.WebVRConfig.DIRTY_SUBMIT_FRAME_BINDINGS) {
+ glState.push(
+ gl.CURRENT_PROGRAM,
+ gl.ARRAY_BUFFER_BINDING,
+ gl.ELEMENT_ARRAY_BUFFER_BINDING,
+ gl.TEXTURE_BINDING_2D, gl.TEXTURE0
+ );
+ }
+
+ WGLUPreserveGLState(gl, glState, function(gl) {
+ // Bind the real default framebuffer
+ self.realBindFramebuffer.call(gl, gl.FRAMEBUFFER, null);
+
+ // Make sure the GL state is in a good place
+ if (self.cullFace) { self.realDisable.call(gl, gl.CULL_FACE); }
+ if (self.depthTest) { self.realDisable.call(gl, gl.DEPTH_TEST); }
+ if (self.blend) { self.realDisable.call(gl, gl.BLEND); }
+ if (self.scissorTest) { self.realDisable.call(gl, gl.SCISSOR_TEST); }
+ if (self.stencilTest) { self.realDisable.call(gl, gl.STENCIL_TEST); }
+ self.realColorMask.call(gl, true, true, true, true);
+ self.realViewport.call(gl, 0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
+
+ // If the backbuffer has an alpha channel clear every frame so the page
+ // doesn't show through.
+ if (self.ctxAttribs.alpha || Util.isIOS()) {
+ self.realClearColor.call(gl, 0, 0, 0, 1);
+ gl.clear(gl.COLOR_BUFFER_BIT);
+ }
+
+ // Bind distortion program and mesh
+ gl.useProgram(self.program);
+
+ gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, self.indexBuffer);
+
+ gl.bindBuffer(gl.ARRAY_BUFFER, self.vertexBuffer);
+ gl.enableVertexAttribArray(self.attribs.position);
+ gl.enableVertexAttribArray(self.attribs.texCoord);
+ gl.vertexAttribPointer(self.attribs.position, 2, gl.FLOAT, false, 20, 0);
+ gl.vertexAttribPointer(self.attribs.texCoord, 3, gl.FLOAT, false, 20, 8);
+
+ gl.activeTexture(gl.TEXTURE0);
+ gl.uniform1i(self.uniforms.diffuse, 0);
+ gl.bindTexture(gl.TEXTURE_2D, self.renderTarget);
+
+ gl.uniform4fv(self.uniforms.viewportOffsetScale, self.viewportOffsetScale);
+
+ // Draws both eyes
+ gl.drawElements(gl.TRIANGLES, self.indexCount, gl.UNSIGNED_SHORT, 0);
+
+ if (self.cardboardUI) {
+ self.cardboardUI.renderNoState();
+ }
+
+ // Bind the fake default framebuffer again
+ self.realBindFramebuffer.call(self.gl, gl.FRAMEBUFFER, self.framebuffer);
+
+ // If preserveDrawingBuffer == false clear the framebuffer
+ if (!self.ctxAttribs.preserveDrawingBuffer) {
+ self.realClearColor.call(gl, 0, 0, 0, 0);
+ gl.clear(gl.COLOR_BUFFER_BIT);
+ }
+
+ if (!window.WebVRConfig.DIRTY_SUBMIT_FRAME_BINDINGS) {
+ self.realBindFramebuffer.call(gl, gl.FRAMEBUFFER, self.lastBoundFramebuffer);
+ }
+
+ // Restore state
+ if (self.cullFace) { self.realEnable.call(gl, gl.CULL_FACE); }
+ if (self.depthTest) { self.realEnable.call(gl, gl.DEPTH_TEST); }
+ if (self.blend) { self.realEnable.call(gl, gl.BLEND); }
+ if (self.scissorTest) { self.realEnable.call(gl, gl.SCISSOR_TEST); }
+ if (self.stencilTest) { self.realEnable.call(gl, gl.STENCIL_TEST); }
+
+ self.realColorMask.apply(gl, self.colorMask);
+ self.realViewport.apply(gl, self.viewport);
+ if (self.ctxAttribs.alpha || !self.ctxAttribs.preserveDrawingBuffer) {
+ self.realClearColor.apply(gl, self.clearColor);
+ }
+ });
+
+ // Workaround for the fact that Safari doesn't allow us to patch the canvas
+ // width and height correctly. After each submit frame check to see what the
+ // real backbuffer size has been set to and resize the fake backbuffer size
+ // to match.
+ if (Util.isIOS()) {
+ var canvas = gl.canvas;
+ if (canvas.width != self.bufferWidth || canvas.height != self.bufferHeight) {
+ self.bufferWidth = canvas.width;
+ self.bufferHeight = canvas.height;
+ self.onResize();
+ }
+ }
+};
+
+/**
+ * Call when the deviceInfo has changed. At this point we need
+ * to re-calculate the distortion mesh.
+ */
+CardboardDistorter.prototype.updateDeviceInfo = function(deviceInfo) {
+ var gl = this.gl;
+ var self = this;
+
+ var glState = [gl.ARRAY_BUFFER_BINDING, gl.ELEMENT_ARRAY_BUFFER_BINDING];
+ WGLUPreserveGLState(gl, glState, function(gl) {
+ var vertices = self.computeMeshVertices_(self.meshWidth, self.meshHeight, deviceInfo);
+ gl.bindBuffer(gl.ARRAY_BUFFER, self.vertexBuffer);
+ gl.bufferData(gl.ARRAY_BUFFER, vertices, gl.STATIC_DRAW);
+
+ // Indices don't change based on device parameters, so only compute once.
+ if (!self.indexCount) {
+ var indices = self.computeMeshIndices_(self.meshWidth, self.meshHeight);
+ gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, self.indexBuffer);
+ gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, indices, gl.STATIC_DRAW);
+ self.indexCount = indices.length;
+ }
+ });
+};
+
+/**
+ * Build the distortion mesh vertices.
+ * Based on code from the Unity cardboard plugin.
+ */
+CardboardDistorter.prototype.computeMeshVertices_ = function(width, height, deviceInfo) {
+ var vertices = new Float32Array(2 * width * height * 5);
+
+ var lensFrustum = deviceInfo.getLeftEyeVisibleTanAngles();
+ var noLensFrustum = deviceInfo.getLeftEyeNoLensTanAngles();
+ var viewport = deviceInfo.getLeftEyeVisibleScreenRect(noLensFrustum);
+ var vidx = 0;
+ var iidx = 0;
+ for (var e = 0; e < 2; e++) {
+ for (var j = 0; j < height; j++) {
+ for (var i = 0; i < width; i++, vidx++) {
+ var u = i / (width - 1);
+ var v = j / (height - 1);
+
+ // Grid points regularly spaced in StreoScreen, and barrel distorted in
+ // the mesh.
+ var s = u;
+ var t = v;
+ var x = Util.lerp(lensFrustum[0], lensFrustum[2], u);
+ var y = Util.lerp(lensFrustum[3], lensFrustum[1], v);
+ var d = Math.sqrt(x * x + y * y);
+ var r = deviceInfo.distortion.distortInverse(d);
+ var p = x * r / d;
+ var q = y * r / d;
+ u = (p - noLensFrustum[0]) / (noLensFrustum[2] - noLensFrustum[0]);
+ v = (q - noLensFrustum[3]) / (noLensFrustum[1] - noLensFrustum[3]);
+
+ // Convert u,v to mesh screen coordinates.
+ var aspect = deviceInfo.device.widthMeters / deviceInfo.device.heightMeters;
+
+ // FIXME: The original Unity plugin multiplied U by the aspect ratio
+ // and didn't multiply either value by 2, but that seems to get it
+ // really close to correct looking for me. I hate this kind of "Don't
+ // know why it works" code though, and wold love a more logical
+ // explanation of what needs to happen here.
+ u = (viewport.x + u * viewport.width - 0.5) * 2.0; //* aspect;
+ v = (viewport.y + v * viewport.height - 0.5) * 2.0;
+
+ vertices[(vidx * 5) + 0] = u; // position.x
+ vertices[(vidx * 5) + 1] = v; // position.y
+ vertices[(vidx * 5) + 2] = s; // texCoord.x
+ vertices[(vidx * 5) + 3] = t; // texCoord.y
+ vertices[(vidx * 5) + 4] = e; // texCoord.z (viewport index)
+ }
+ }
+ var w = lensFrustum[2] - lensFrustum[0];
+ lensFrustum[0] = -(w + lensFrustum[0]);
+ lensFrustum[2] = w - lensFrustum[2];
+ w = noLensFrustum[2] - noLensFrustum[0];
+ noLensFrustum[0] = -(w + noLensFrustum[0]);
+ noLensFrustum[2] = w - noLensFrustum[2];
+ viewport.x = 1 - (viewport.x + viewport.width);
+ }
+ return vertices;
+}
+
+/**
+ * Build the distortion mesh indices.
+ * Based on code from the Unity cardboard plugin.
+ */
+CardboardDistorter.prototype.computeMeshIndices_ = function(width, height) {
+ var indices = new Uint16Array(2 * (width - 1) * (height - 1) * 6);
+ var halfwidth = width / 2;
+ var halfheight = height / 2;
+ var vidx = 0;
+ var iidx = 0;
+ for (var e = 0; e < 2; e++) {
+ for (var j = 0; j < height; j++) {
+ for (var i = 0; i < width; i++, vidx++) {
+ if (i == 0 || j == 0)
+ continue;
+ // Build a quad. Lower right and upper left quadrants have quads with
+ // the triangle diagonal flipped to get the vignette to interpolate
+ // correctly.
+ if ((i <= halfwidth) == (j <= halfheight)) {
+ // Quad diagonal lower left to upper right.
+ indices[iidx++] = vidx;
+ indices[iidx++] = vidx - width - 1;
+ indices[iidx++] = vidx - width;
+ indices[iidx++] = vidx - width - 1;
+ indices[iidx++] = vidx;
+ indices[iidx++] = vidx - 1;
+ } else {
+ // Quad diagonal upper left to lower right.
+ indices[iidx++] = vidx - 1;
+ indices[iidx++] = vidx - width;
+ indices[iidx++] = vidx;
+ indices[iidx++] = vidx - width;
+ indices[iidx++] = vidx - 1;
+ indices[iidx++] = vidx - width - 1;
+ }
+ }
+ }
+ }
+ return indices;
+};
+
+CardboardDistorter.prototype.getOwnPropertyDescriptor_ = function(proto, attrName) {
+ var descriptor = Object.getOwnPropertyDescriptor(proto, attrName);
+ // In some cases (ahem... Safari), the descriptor returns undefined get and
+ // set fields. In this case, we need to create a synthetic property
+ // descriptor. This works around some of the issues in
+ // https://github.com/borismus/webvr-polyfill/issues/46
+ if (descriptor.get === undefined || descriptor.set === undefined) {
+ descriptor.configurable = true;
+ descriptor.enumerable = true;
+ descriptor.get = function() {
+ return this.getAttribute(attrName);
+ };
+ descriptor.set = function(val) {
+ this.setAttribute(attrName, val);
+ };
+ }
+ return descriptor;
+};
+
+module.exports = CardboardDistorter;
+
+},{"./cardboard-ui.js":49,"./deps/wglu-preserve-state.js":51,"./util.js":67}],49:[function(_dereq_,module,exports){
+/*
+ * Copyright 2016 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var Util = _dereq_('./util.js');
+var WGLUPreserveGLState = _dereq_('./deps/wglu-preserve-state.js');
+
+var uiVS = [
+ 'attribute vec2 position;',
+
+ 'uniform mat4 projectionMat;',
+
+ 'void main() {',
+ ' gl_Position = projectionMat * vec4( position, -1.0, 1.0 );',
+ '}',
+].join('\n');
+
+var uiFS = [
+ 'precision mediump float;',
+
+ 'uniform vec4 color;',
+
+ 'void main() {',
+ ' gl_FragColor = color;',
+ '}',
+].join('\n');
+
+var DEG2RAD = Math.PI/180.0;
+
+// The gear has 6 identical sections, each spanning 60 degrees.
+var kAnglePerGearSection = 60;
+
+// Half-angle of the span of the outer rim.
+var kOuterRimEndAngle = 12;
+
+// Angle between the middle of the outer rim and the start of the inner rim.
+var kInnerRimBeginAngle = 20;
+
+// Distance from center to outer rim, normalized so that the entire model
+// fits in a [-1, 1] x [-1, 1] square.
+var kOuterRadius = 1;
+
+// Distance from center to depressed rim, in model units.
+var kMiddleRadius = 0.75;
+
+// Radius of the inner hollow circle, in model units.
+var kInnerRadius = 0.3125;
+
+// Center line thickness in DP.
+var kCenterLineThicknessDp = 4;
+
+// Button width in DP.
+var kButtonWidthDp = 28;
+
+// Factor to scale the touch area that responds to the touch.
+var kTouchSlopFactor = 1.5;
+
+var Angles = [
+ 0, kOuterRimEndAngle, kInnerRimBeginAngle,
+ kAnglePerGearSection - kInnerRimBeginAngle,
+ kAnglePerGearSection - kOuterRimEndAngle
+];
+
+/**
+ * Renders the alignment line and "options" gear. It is assumed that the canvas
+ * this is rendered into covers the entire screen (or close to it.)
+ */
+function CardboardUI(gl) {
+ this.gl = gl;
+
+ this.attribs = {
+ position: 0
+ };
+ this.program = Util.linkProgram(gl, uiVS, uiFS, this.attribs);
+ this.uniforms = Util.getProgramUniforms(gl, this.program);
+
+ this.vertexBuffer = gl.createBuffer();
+ this.gearOffset = 0;
+ this.gearVertexCount = 0;
+ this.arrowOffset = 0;
+ this.arrowVertexCount = 0;
+
+ this.projMat = new Float32Array(16);
+
+ this.listener = null;
+
+ this.onResize();
+};
+
+/**
+ * Tears down all the resources created by the UI renderer.
+ */
+CardboardUI.prototype.destroy = function() {
+ var gl = this.gl;
+
+ if (this.listener) {
+ gl.canvas.removeEventListener('click', this.listener, false);
+ }
+
+ gl.deleteProgram(this.program);
+ gl.deleteBuffer(this.vertexBuffer);
+};
+
+/**
+ * Adds a listener to clicks on the gear and back icons
+ */
+CardboardUI.prototype.listen = function(optionsCallback, backCallback) {
+ var canvas = this.gl.canvas;
+ this.listener = function(event) {
+ var midline = canvas.clientWidth / 2;
+ var buttonSize = kButtonWidthDp * kTouchSlopFactor;
+ // Check to see if the user clicked on (or around) the gear icon
+ if (event.clientX > midline - buttonSize &&
+ event.clientX < midline + buttonSize &&
+ event.clientY > canvas.clientHeight - buttonSize) {
+ optionsCallback(event);
+ }
+ // Check to see if the user clicked on (or around) the back icon
+ else if (event.clientX < buttonSize && event.clientY < buttonSize) {
+ backCallback(event);
+ }
+ };
+ canvas.addEventListener('click', this.listener, false);
+};
+
+/**
+ * Builds the UI mesh.
+ */
+CardboardUI.prototype.onResize = function() {
+ var gl = this.gl;
+ var self = this;
+
+ var glState = [
+ gl.ARRAY_BUFFER_BINDING
+ ];
+
+ WGLUPreserveGLState(gl, glState, function(gl) {
+ var vertices = [];
+
+ var midline = gl.drawingBufferWidth / 2;
+
+ // The gl buffer size will likely be smaller than the physical pixel count.
+ // So we need to scale the dps down based on the actual buffer size vs physical pixel count.
+ // This will properly size the ui elements no matter what the gl buffer resolution is
+ var physicalPixels = Math.max(screen.width, screen.height) * window.devicePixelRatio;
+ var scalingRatio = gl.drawingBufferWidth / physicalPixels;
+ var dps = scalingRatio * window.devicePixelRatio;
+
+ var lineWidth = kCenterLineThicknessDp * dps / 2;
+ var buttonSize = kButtonWidthDp * kTouchSlopFactor * dps;
+ var buttonScale = kButtonWidthDp * dps / 2;
+ var buttonBorder = ((kButtonWidthDp * kTouchSlopFactor) - kButtonWidthDp) * dps;
+
+ // Build centerline
+ vertices.push(midline - lineWidth, buttonSize);
+ vertices.push(midline - lineWidth, gl.drawingBufferHeight);
+ vertices.push(midline + lineWidth, buttonSize);
+ vertices.push(midline + lineWidth, gl.drawingBufferHeight);
+
+ // Build gear
+ self.gearOffset = (vertices.length / 2);
+
+ function addGearSegment(theta, r) {
+ var angle = (90 - theta) * DEG2RAD;
+ var x = Math.cos(angle);
+ var y = Math.sin(angle);
+ vertices.push(kInnerRadius * x * buttonScale + midline, kInnerRadius * y * buttonScale + buttonScale);
+ vertices.push(r * x * buttonScale + midline, r * y * buttonScale + buttonScale);
+ }
+
+ for (var i = 0; i <= 6; i++) {
+ var segmentTheta = i * kAnglePerGearSection;
+
+ addGearSegment(segmentTheta, kOuterRadius);
+ addGearSegment(segmentTheta + kOuterRimEndAngle, kOuterRadius);
+ addGearSegment(segmentTheta + kInnerRimBeginAngle, kMiddleRadius);
+ addGearSegment(segmentTheta + (kAnglePerGearSection - kInnerRimBeginAngle), kMiddleRadius);
+ addGearSegment(segmentTheta + (kAnglePerGearSection - kOuterRimEndAngle), kOuterRadius);
+ }
+
+ self.gearVertexCount = (vertices.length / 2) - self.gearOffset;
+
+ // Build back arrow
+ self.arrowOffset = (vertices.length / 2);
+
+ function addArrowVertex(x, y) {
+ vertices.push(buttonBorder + x, gl.drawingBufferHeight - buttonBorder - y);
+ }
+
+ var angledLineWidth = lineWidth / Math.sin(45 * DEG2RAD);
+
+ addArrowVertex(0, buttonScale);
+ addArrowVertex(buttonScale, 0);
+ addArrowVertex(buttonScale + angledLineWidth, angledLineWidth);
+ addArrowVertex(angledLineWidth, buttonScale + angledLineWidth);
+
+ addArrowVertex(angledLineWidth, buttonScale - angledLineWidth);
+ addArrowVertex(0, buttonScale);
+ addArrowVertex(buttonScale, buttonScale * 2);
+ addArrowVertex(buttonScale + angledLineWidth, (buttonScale * 2) - angledLineWidth);
+
+ addArrowVertex(angledLineWidth, buttonScale - angledLineWidth);
+ addArrowVertex(0, buttonScale);
+
+ addArrowVertex(angledLineWidth, buttonScale - lineWidth);
+ addArrowVertex(kButtonWidthDp * dps, buttonScale - lineWidth);
+ addArrowVertex(angledLineWidth, buttonScale + lineWidth);
+ addArrowVertex(kButtonWidthDp * dps, buttonScale + lineWidth);
+
+ self.arrowVertexCount = (vertices.length / 2) - self.arrowOffset;
+
+ // Buffer data
+ gl.bindBuffer(gl.ARRAY_BUFFER, self.vertexBuffer);
+ gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
+ });
+};
+
+/**
+ * Performs distortion pass on the injected backbuffer, rendering it to the real
+ * backbuffer.
+ */
+CardboardUI.prototype.render = function() {
+ var gl = this.gl;
+ var self = this;
+
+ var glState = [
+ gl.CULL_FACE,
+ gl.DEPTH_TEST,
+ gl.BLEND,
+ gl.SCISSOR_TEST,
+ gl.STENCIL_TEST,
+ gl.COLOR_WRITEMASK,
+ gl.VIEWPORT,
+
+ gl.CURRENT_PROGRAM,
+ gl.ARRAY_BUFFER_BINDING
+ ];
+
+ WGLUPreserveGLState(gl, glState, function(gl) {
+ // Make sure the GL state is in a good place
+ gl.disable(gl.CULL_FACE);
+ gl.disable(gl.DEPTH_TEST);
+ gl.disable(gl.BLEND);
+ gl.disable(gl.SCISSOR_TEST);
+ gl.disable(gl.STENCIL_TEST);
+ gl.colorMask(true, true, true, true);
+ gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
+
+ self.renderNoState();
+ });
+};
+
+CardboardUI.prototype.renderNoState = function() {
+ var gl = this.gl;
+
+ // Bind distortion program and mesh
+ gl.useProgram(this.program);
+
+ gl.bindBuffer(gl.ARRAY_BUFFER, this.vertexBuffer);
+ gl.enableVertexAttribArray(this.attribs.position);
+ gl.vertexAttribPointer(this.attribs.position, 2, gl.FLOAT, false, 8, 0);
+
+ gl.uniform4f(this.uniforms.color, 1.0, 1.0, 1.0, 1.0);
+
+ Util.orthoMatrix(this.projMat, 0, gl.drawingBufferWidth, 0, gl.drawingBufferHeight, 0.1, 1024.0);
+ gl.uniformMatrix4fv(this.uniforms.projectionMat, false, this.projMat);
+
+ // Draws UI element
+ gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);
+ gl.drawArrays(gl.TRIANGLE_STRIP, this.gearOffset, this.gearVertexCount);
+ gl.drawArrays(gl.TRIANGLE_STRIP, this.arrowOffset, this.arrowVertexCount);
+};
+
+module.exports = CardboardUI;
+
+},{"./deps/wglu-preserve-state.js":51,"./util.js":67}],50:[function(_dereq_,module,exports){
+/*
+ * Copyright 2016 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var CardboardDistorter = _dereq_('./cardboard-distorter.js');
+var CardboardUI = _dereq_('./cardboard-ui.js');
+var DeviceInfo = _dereq_('./device-info.js');
+var Dpdb = _dereq_('./dpdb/dpdb.js');
+var FusionPoseSensor = _dereq_('./sensor-fusion/fusion-pose-sensor.js');
+var RotateInstructions = _dereq_('./rotate-instructions.js');
+var ViewerSelector = _dereq_('./viewer-selector.js');
+var VRDisplay = _dereq_('./base.js').VRDisplay;
+var Util = _dereq_('./util.js');
+
+var Eye = {
+ LEFT: 'left',
+ RIGHT: 'right'
+};
+
+/**
+ * VRDisplay based on mobile device parameters and DeviceMotion APIs.
+ */
+function CardboardVRDisplay() {
+ this.displayName = 'Cardboard VRDisplay (webvr-polyfill)';
+
+ this.capabilities.hasOrientation = true;
+ this.capabilities.canPresent = true;
+
+ // "Private" members.
+ this.bufferScale_ = window.WebVRConfig.BUFFER_SCALE;
+ this.poseSensor_ = new FusionPoseSensor();
+ this.distorter_ = null;
+ this.cardboardUI_ = null;
+
+ this.dpdb_ = new Dpdb(true, this.onDeviceParamsUpdated_.bind(this));
+ this.deviceInfo_ = new DeviceInfo(this.dpdb_.getDeviceParams());
+
+ this.viewerSelector_ = new ViewerSelector();
+ this.viewerSelector_.onChange(this.onViewerChanged_.bind(this));
+
+ // Set the correct initial viewer.
+ this.deviceInfo_.setViewer(this.viewerSelector_.getCurrentViewer());
+
+ if (!window.WebVRConfig.ROTATE_INSTRUCTIONS_DISABLED) {
+ this.rotateInstructions_ = new RotateInstructions();
+ }
+
+ if (Util.isIOS()) {
+ // Listen for resize events to workaround this awful Safari bug.
+ window.addEventListener('resize', this.onResize_.bind(this));
+ }
+}
+CardboardVRDisplay.prototype = new VRDisplay();
+
+CardboardVRDisplay.prototype.getImmediatePose = function() {
+ return {
+ position: this.poseSensor_.getPosition(),
+ orientation: this.poseSensor_.getOrientation(),
+ linearVelocity: null,
+ linearAcceleration: null,
+ angularVelocity: null,
+ angularAcceleration: null
+ };
+};
+
+CardboardVRDisplay.prototype.resetPose = function() {
+ this.poseSensor_.resetPose();
+};
+
+CardboardVRDisplay.prototype.getEyeParameters = function(whichEye) {
+ var offset = [this.deviceInfo_.viewer.interLensDistance * 0.5, 0.0, 0.0];
+ var fieldOfView;
+
+ // TODO: FoV can be a little expensive to compute. Cache when device params change.
+ if (whichEye == Eye.LEFT) {
+ offset[0] *= -1.0;
+ fieldOfView = this.deviceInfo_.getFieldOfViewLeftEye();
+ } else if (whichEye == Eye.RIGHT) {
+ fieldOfView = this.deviceInfo_.getFieldOfViewRightEye();
+ } else {
+ console.error('Invalid eye provided: %s', whichEye);
+ return null;
+ }
+
+ return {
+ fieldOfView: fieldOfView,
+ offset: offset,
+ // TODO: Should be able to provide better values than these.
+ renderWidth: this.deviceInfo_.device.width * 0.5 * this.bufferScale_,
+ renderHeight: this.deviceInfo_.device.height * this.bufferScale_,
+ };
+};
+
+CardboardVRDisplay.prototype.onDeviceParamsUpdated_ = function(newParams) {
+ if (Util.isDebug()) {
+ console.log('DPDB reported that device params were updated.');
+ }
+ this.deviceInfo_.updateDeviceParams(newParams);
+
+ if (this.distorter_) {
+ this.distorter_.updateDeviceInfo(this.deviceInfo_);
+ }
+};
+
+CardboardVRDisplay.prototype.updateBounds_ = function () {
+ if (this.layer_ && this.distorter_ && (this.layer_.leftBounds || this.layer_.rightBounds)) {
+ this.distorter_.setTextureBounds(this.layer_.leftBounds, this.layer_.rightBounds);
+ }
+};
+
+CardboardVRDisplay.prototype.beginPresent_ = function() {
+ var gl = this.layer_.source.getContext('webgl');
+ if (!gl)
+ gl = this.layer_.source.getContext('experimental-webgl');
+ if (!gl)
+ gl = this.layer_.source.getContext('webgl2');
+
+ if (!gl)
+ return; // Can't do distortion without a WebGL context.
+
+ // Provides a way to opt out of distortion
+ if (this.layer_.predistorted) {
+ if (!window.WebVRConfig.CARDBOARD_UI_DISABLED) {
+ gl.canvas.width = Util.getScreenWidth() * this.bufferScale_;
+ gl.canvas.height = Util.getScreenHeight() * this.bufferScale_;
+ this.cardboardUI_ = new CardboardUI(gl);
+ }
+ } else {
+ // Create a new distorter for the target context
+ this.distorter_ = new CardboardDistorter(gl);
+ this.distorter_.updateDeviceInfo(this.deviceInfo_);
+ this.cardboardUI_ = this.distorter_.cardboardUI;
+ }
+
+ if (this.cardboardUI_) {
+ this.cardboardUI_.listen(function(e) {
+ // Options clicked.
+ this.viewerSelector_.show(this.layer_.source.parentElement);
+ e.stopPropagation();
+ e.preventDefault();
+ }.bind(this), function(e) {
+ // Back clicked.
+ this.exitPresent();
+ e.stopPropagation();
+ e.preventDefault();
+ }.bind(this));
+ }
+
+ if (this.rotateInstructions_) {
+ if (Util.isLandscapeMode() && Util.isMobile()) {
+ // In landscape mode, temporarily show the "put into Cardboard"
+ // interstitial. Otherwise, do the default thing.
+ this.rotateInstructions_.showTemporarily(3000, this.layer_.source.parentElement);
+ } else {
+ this.rotateInstructions_.update();
+ }
+ }
+
+ // Listen for orientation change events in order to show interstitial.
+ this.orientationHandler = this.onOrientationChange_.bind(this);
+ window.addEventListener('orientationchange', this.orientationHandler);
+
+ // Listen for present display change events in order to update distorter dimensions
+ this.vrdisplaypresentchangeHandler = this.updateBounds_.bind(this);
+ window.addEventListener('vrdisplaypresentchange', this.vrdisplaypresentchangeHandler);
+
+ // Fire this event initially, to give geometry-distortion clients the chance
+ // to do something custom.
+ this.fireVRDisplayDeviceParamsChange_();
+};
+
+CardboardVRDisplay.prototype.endPresent_ = function() {
+ if (this.distorter_) {
+ this.distorter_.destroy();
+ this.distorter_ = null;
+ }
+ if (this.cardboardUI_) {
+ this.cardboardUI_.destroy();
+ this.cardboardUI_ = null;
+ }
+
+ if (this.rotateInstructions_) {
+ this.rotateInstructions_.hide();
+ }
+ this.viewerSelector_.hide();
+
+ window.removeEventListener('orientationchange', this.orientationHandler);
+ window.removeEventListener('vrdisplaypresentchange', this.vrdisplaypresentchangeHandler);
+};
+
+CardboardVRDisplay.prototype.submitFrame = function(pose) {
+ if (this.distorter_) {
+ this.updateBounds_();
+ this.distorter_.submitFrame();
+ } else if (this.cardboardUI_ && this.layer_) {
+ // Hack for predistorted: true.
+ var canvas = this.layer_.source.getContext('webgl').canvas;
+ if (canvas.width != this.lastWidth || canvas.height != this.lastHeight) {
+ this.cardboardUI_.onResize();
+ }
+ this.lastWidth = canvas.width;
+ this.lastHeight = canvas.height;
+
+ // Render the Cardboard UI.
+ this.cardboardUI_.render();
+ }
+};
+
+CardboardVRDisplay.prototype.onOrientationChange_ = function(e) {
+ // Hide the viewer selector.
+ this.viewerSelector_.hide();
+
+ // Update the rotate instructions.
+ if (this.rotateInstructions_) {
+ this.rotateInstructions_.update();
+ }
+
+ this.onResize_();
+};
+
+CardboardVRDisplay.prototype.onResize_ = function(e) {
+ if (this.layer_) {
+ var gl = this.layer_.source.getContext('webgl');
+ // Size the CSS canvas.
+ // Added padding on right and bottom because iPhone 5 will not
+ // hide the URL bar unless content is bigger than the screen.
+ // This will not be visible as long as the container element (e.g. body)
+ // is set to 'overflow: hidden'.
+ // Additionally, 'box-sizing: content-box' ensures renderWidth = width + padding.
+ // This is required when 'box-sizing: border-box' is used elsewhere in the page.
+ var cssProperties = [
+ 'position: absolute',
+ 'top: 0',
+ 'left: 0',
+ // Use vw/vh to handle implicitly devicePixelRatio; issue #282
+ 'width: 100vw',
+ 'height: 100vh',
+ 'border: 0',
+ 'margin: 0',
+ // Set no padding in the case where you don't have control over
+ // the content injection, like in Unity WebGL; issue #282
+ 'padding: 0px',
+ 'box-sizing: content-box',
+ ];
+ gl.canvas.setAttribute('style', cssProperties.join('; ') + ';');
+
+ Util.safariCssSizeWorkaround(gl.canvas);
+ }
+};
+
+CardboardVRDisplay.prototype.onViewerChanged_ = function(viewer) {
+ this.deviceInfo_.setViewer(viewer);
+
+ if (this.distorter_) {
+ // Update the distortion appropriately.
+ this.distorter_.updateDeviceInfo(this.deviceInfo_);
+ }
+
+ // Fire a new event containing viewer and device parameters for clients that
+ // want to implement their own geometry-based distortion.
+ this.fireVRDisplayDeviceParamsChange_();
+};
+
+CardboardVRDisplay.prototype.fireVRDisplayDeviceParamsChange_ = function() {
+ var event = new CustomEvent('vrdisplaydeviceparamschange', {
+ detail: {
+ vrdisplay: this,
+ deviceInfo: this.deviceInfo_,
+ }
+ });
+ window.dispatchEvent(event);
+};
+
+module.exports = CardboardVRDisplay;
+
+},{"./base.js":47,"./cardboard-distorter.js":48,"./cardboard-ui.js":49,"./device-info.js":52,"./dpdb/dpdb.js":56,"./rotate-instructions.js":61,"./sensor-fusion/fusion-pose-sensor.js":63,"./util.js":67,"./viewer-selector.js":68}],51:[function(_dereq_,module,exports){
+/**
+ * Copyright (c) 2016, Brandon Jones.
+ * https://github.com/toji/webgl-utils/blob/master/src/wglu-preserve-state.js
+ * LICENSE: https://github.com/toji/webgl-utils/blob/master/LICENSE.md
+ */
+
+function WGLUPreserveGLState(gl, bindings, callback) {
+ if (!bindings) {
+ callback(gl);
+ return;
+ }
+
+ var boundValues = [];
+
+ var activeTexture = null;
+ for (var i = 0; i < bindings.length; ++i) {
+ var binding = bindings[i];
+ switch (binding) {
+ case gl.TEXTURE_BINDING_2D:
+ case gl.TEXTURE_BINDING_CUBE_MAP:
+ var textureUnit = bindings[++i];
+ if (textureUnit < gl.TEXTURE0 || textureUnit > gl.TEXTURE31) {
+ console.error("TEXTURE_BINDING_2D or TEXTURE_BINDING_CUBE_MAP must be followed by a valid texture unit");
+ boundValues.push(null, null);
+ break;
+ }
+ if (!activeTexture) {
+ activeTexture = gl.getParameter(gl.ACTIVE_TEXTURE);
+ }
+ gl.activeTexture(textureUnit);
+ boundValues.push(gl.getParameter(binding), null);
+ break;
+ case gl.ACTIVE_TEXTURE:
+ activeTexture = gl.getParameter(gl.ACTIVE_TEXTURE);
+ boundValues.push(null);
+ break;
+ default:
+ boundValues.push(gl.getParameter(binding));
+ break;
+ }
+ }
+
+ callback(gl);
+
+ for (var i = 0; i < bindings.length; ++i) {
+ var binding = bindings[i];
+ var boundValue = boundValues[i];
+ switch (binding) {
+ case gl.ACTIVE_TEXTURE:
+ break; // Ignore this binding, since we special-case it to happen last.
+ case gl.ARRAY_BUFFER_BINDING:
+ gl.bindBuffer(gl.ARRAY_BUFFER, boundValue);
+ break;
+ case gl.COLOR_CLEAR_VALUE:
+ gl.clearColor(boundValue[0], boundValue[1], boundValue[2], boundValue[3]);
+ break;
+ case gl.COLOR_WRITEMASK:
+ gl.colorMask(boundValue[0], boundValue[1], boundValue[2], boundValue[3]);
+ break;
+ case gl.CURRENT_PROGRAM:
+ gl.useProgram(boundValue);
+ break;
+ case gl.ELEMENT_ARRAY_BUFFER_BINDING:
+ gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, boundValue);
+ break;
+ case gl.FRAMEBUFFER_BINDING:
+ gl.bindFramebuffer(gl.FRAMEBUFFER, boundValue);
+ break;
+ case gl.RENDERBUFFER_BINDING:
+ gl.bindRenderbuffer(gl.RENDERBUFFER, boundValue);
+ break;
+ case gl.TEXTURE_BINDING_2D:
+ var textureUnit = bindings[++i];
+ if (textureUnit < gl.TEXTURE0 || textureUnit > gl.TEXTURE31)
+ break;
+ gl.activeTexture(textureUnit);
+ gl.bindTexture(gl.TEXTURE_2D, boundValue);
+ break;
+ case gl.TEXTURE_BINDING_CUBE_MAP:
+ var textureUnit = bindings[++i];
+ if (textureUnit < gl.TEXTURE0 || textureUnit > gl.TEXTURE31)
+ break;
+ gl.activeTexture(textureUnit);
+ gl.bindTexture(gl.TEXTURE_CUBE_MAP, boundValue);
+ break;
+ case gl.VIEWPORT:
+ gl.viewport(boundValue[0], boundValue[1], boundValue[2], boundValue[3]);
+ break;
+ case gl.BLEND:
+ case gl.CULL_FACE:
+ case gl.DEPTH_TEST:
+ case gl.SCISSOR_TEST:
+ case gl.STENCIL_TEST:
+ if (boundValue) {
+ gl.enable(binding);
+ } else {
+ gl.disable(binding);
+ }
+ break;
+ default:
+ console.log("No GL restore behavior for 0x" + binding.toString(16));
+ break;
+ }
+
+ if (activeTexture) {
+ gl.activeTexture(activeTexture);
+ }
+ }
+}
+
+module.exports = WGLUPreserveGLState;
+
+},{}],52:[function(_dereq_,module,exports){
+/*
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var Distortion = _dereq_('./distortion/distortion.js');
+var MathUtil = _dereq_('./math-util.js');
+var Util = _dereq_('./util.js');
+
+function Device(params) {
+ this.width = params.width || Util.getScreenWidth();
+ this.height = params.height || Util.getScreenHeight();
+ this.widthMeters = params.widthMeters;
+ this.heightMeters = params.heightMeters;
+ this.bevelMeters = params.bevelMeters;
+}
+
+
+// Fallback Android device (based on Nexus 5 measurements) for use when
+// we can't recognize an Android device.
+var DEFAULT_ANDROID = new Device({
+ widthMeters: 0.110,
+ heightMeters: 0.062,
+ bevelMeters: 0.004
+});
+
+// Fallback iOS device (based on iPhone6) for use when
+// we can't recognize an Android device.
+var DEFAULT_IOS = new Device({
+ widthMeters: 0.1038,
+ heightMeters: 0.0584,
+ bevelMeters: 0.004
+});
+
+
+var Viewers = {
+ CardboardV1: new CardboardViewer({
+ id: 'CardboardV1',
+ label: 'Cardboard I/O 2014',
+ fov: 40,
+ interLensDistance: 0.060,
+ baselineLensDistance: 0.035,
+ screenLensDistance: 0.042,
+ distortionCoefficients: [0.441, 0.156],
+ inverseCoefficients: [-0.4410035, 0.42756155, -0.4804439, 0.5460139,
+ -0.58821183, 0.5733938, -0.48303202, 0.33299083, -0.17573841,
+ 0.0651772, -0.01488963, 0.001559834]
+ }),
+ CardboardV2: new CardboardViewer({
+ id: 'CardboardV2',
+ label: 'Cardboard I/O 2015',
+ fov: 60,
+ interLensDistance: 0.064,
+ baselineLensDistance: 0.035,
+ screenLensDistance: 0.039,
+ distortionCoefficients: [0.34, 0.55],
+ inverseCoefficients: [-0.33836704, -0.18162185, 0.862655, -1.2462051,
+ 1.0560602, -0.58208317, 0.21609078, -0.05444823, 0.009177956,
+ -9.904169E-4, 6.183535E-5, -1.6981803E-6]
+ })
+};
+
+
+var DEFAULT_LEFT_CENTER = {x: 0.5, y: 0.5};
+var DEFAULT_RIGHT_CENTER = {x: 0.5, y: 0.5};
+
+/**
+ * Manages information about the device and the viewer.
+ *
+ * deviceParams indicates the parameters of the device to use (generally
+ * obtained from dpdb.getDeviceParams()). Can be null to mean no device
+ * params were found.
+ */
+function DeviceInfo(deviceParams) {
+ this.viewer = Viewers.CardboardV2;
+ this.updateDeviceParams(deviceParams);
+ this.distortion = new Distortion(this.viewer.distortionCoefficients);
+}
+
+DeviceInfo.prototype.updateDeviceParams = function(deviceParams) {
+ this.device = this.determineDevice_(deviceParams) || this.device;
+};
+
+DeviceInfo.prototype.getDevice = function() {
+ return this.device;
+};
+
+DeviceInfo.prototype.setViewer = function(viewer) {
+ this.viewer = viewer;
+ this.distortion = new Distortion(this.viewer.distortionCoefficients);
+};
+
+DeviceInfo.prototype.determineDevice_ = function(deviceParams) {
+ if (!deviceParams) {
+ // No parameters, so use a default.
+ if (Util.isIOS()) {
+ console.warn('Using fallback iOS device measurements.');
+ return DEFAULT_IOS;
+ } else {
+ console.warn('Using fallback Android device measurements.');
+ return DEFAULT_ANDROID;
+ }
+ }
+
+ // Compute device screen dimensions based on deviceParams.
+ var METERS_PER_INCH = 0.0254;
+ var metersPerPixelX = METERS_PER_INCH / deviceParams.xdpi;
+ var metersPerPixelY = METERS_PER_INCH / deviceParams.ydpi;
+ var width = Util.getScreenWidth();
+ var height = Util.getScreenHeight();
+ return new Device({
+ widthMeters: metersPerPixelX * width,
+ heightMeters: metersPerPixelY * height,
+ bevelMeters: deviceParams.bevelMm * 0.001,
+ });
+};
+
+/**
+ * Calculates field of view for the left eye.
+ */
+DeviceInfo.prototype.getDistortedFieldOfViewLeftEye = function() {
+ var viewer = this.viewer;
+ var device = this.device;
+ var distortion = this.distortion;
+
+ // Device.height and device.width for device in portrait mode, so transpose.
+ var eyeToScreenDistance = viewer.screenLensDistance;
+
+ var outerDist = (device.widthMeters - viewer.interLensDistance) / 2;
+ var innerDist = viewer.interLensDistance / 2;
+ var bottomDist = viewer.baselineLensDistance - device.bevelMeters;
+ var topDist = device.heightMeters - bottomDist;
+
+ var outerAngle = MathUtil.radToDeg * Math.atan(
+ distortion.distort(outerDist / eyeToScreenDistance));
+ var innerAngle = MathUtil.radToDeg * Math.atan(
+ distortion.distort(innerDist / eyeToScreenDistance));
+ var bottomAngle = MathUtil.radToDeg * Math.atan(
+ distortion.distort(bottomDist / eyeToScreenDistance));
+ var topAngle = MathUtil.radToDeg * Math.atan(
+ distortion.distort(topDist / eyeToScreenDistance));
+
+ return {
+ leftDegrees: Math.min(outerAngle, viewer.fov),
+ rightDegrees: Math.min(innerAngle, viewer.fov),
+ downDegrees: Math.min(bottomAngle, viewer.fov),
+ upDegrees: Math.min(topAngle, viewer.fov)
+ };
+};
+
+/**
+ * Calculates the tan-angles from the maximum FOV for the left eye for the
+ * current device and screen parameters.
+ */
+DeviceInfo.prototype.getLeftEyeVisibleTanAngles = function() {
+ var viewer = this.viewer;
+ var device = this.device;
+ var distortion = this.distortion;
+
+ // Tan-angles from the max FOV.
+ var fovLeft = Math.tan(-MathUtil.degToRad * viewer.fov);
+ var fovTop = Math.tan(MathUtil.degToRad * viewer.fov);
+ var fovRight = Math.tan(MathUtil.degToRad * viewer.fov);
+ var fovBottom = Math.tan(-MathUtil.degToRad * viewer.fov);
+ // Viewport size.
+ var halfWidth = device.widthMeters / 4;
+ var halfHeight = device.heightMeters / 2;
+ // Viewport center, measured from left lens position.
+ var verticalLensOffset = (viewer.baselineLensDistance - device.bevelMeters - halfHeight);
+ var centerX = viewer.interLensDistance / 2 - halfWidth;
+ var centerY = -verticalLensOffset;
+ var centerZ = viewer.screenLensDistance;
+ // Tan-angles of the viewport edges, as seen through the lens.
+ var screenLeft = distortion.distort((centerX - halfWidth) / centerZ);
+ var screenTop = distortion.distort((centerY + halfHeight) / centerZ);
+ var screenRight = distortion.distort((centerX + halfWidth) / centerZ);
+ var screenBottom = distortion.distort((centerY - halfHeight) / centerZ);
+ // Compare the two sets of tan-angles and take the value closer to zero on each side.
+ var result = new Float32Array(4);
+ result[0] = Math.max(fovLeft, screenLeft);
+ result[1] = Math.min(fovTop, screenTop);
+ result[2] = Math.min(fovRight, screenRight);
+ result[3] = Math.max(fovBottom, screenBottom);
+ return result;
+};
+
+/**
+ * Calculates the tan-angles from the maximum FOV for the left eye for the
+ * current device and screen parameters, assuming no lenses.
+ */
+DeviceInfo.prototype.getLeftEyeNoLensTanAngles = function() {
+ var viewer = this.viewer;
+ var device = this.device;
+ var distortion = this.distortion;
+
+ var result = new Float32Array(4);
+ // Tan-angles from the max FOV.
+ var fovLeft = distortion.distortInverse(Math.tan(-MathUtil.degToRad * viewer.fov));
+ var fovTop = distortion.distortInverse(Math.tan(MathUtil.degToRad * viewer.fov));
+ var fovRight = distortion.distortInverse(Math.tan(MathUtil.degToRad * viewer.fov));
+ var fovBottom = distortion.distortInverse(Math.tan(-MathUtil.degToRad * viewer.fov));
+ // Viewport size.
+ var halfWidth = device.widthMeters / 4;
+ var halfHeight = device.heightMeters / 2;
+ // Viewport center, measured from left lens position.
+ var verticalLensOffset = (viewer.baselineLensDistance - device.bevelMeters - halfHeight);
+ var centerX = viewer.interLensDistance / 2 - halfWidth;
+ var centerY = -verticalLensOffset;
+ var centerZ = viewer.screenLensDistance;
+ // Tan-angles of the viewport edges, as seen through the lens.
+ var screenLeft = (centerX - halfWidth) / centerZ;
+ var screenTop = (centerY + halfHeight) / centerZ;
+ var screenRight = (centerX + halfWidth) / centerZ;
+ var screenBottom = (centerY - halfHeight) / centerZ;
+ // Compare the two sets of tan-angles and take the value closer to zero on each side.
+ result[0] = Math.max(fovLeft, screenLeft);
+ result[1] = Math.min(fovTop, screenTop);
+ result[2] = Math.min(fovRight, screenRight);
+ result[3] = Math.max(fovBottom, screenBottom);
+ return result;
+};
+
+/**
+ * Calculates the screen rectangle visible from the left eye for the
+ * current device and screen parameters.
+ */
+DeviceInfo.prototype.getLeftEyeVisibleScreenRect = function(undistortedFrustum) {
+ var viewer = this.viewer;
+ var device = this.device;
+
+ var dist = viewer.screenLensDistance;
+ var eyeX = (device.widthMeters - viewer.interLensDistance) / 2;
+ var eyeY = viewer.baselineLensDistance - device.bevelMeters;
+ var left = (undistortedFrustum[0] * dist + eyeX) / device.widthMeters;
+ var top = (undistortedFrustum[1] * dist + eyeY) / device.heightMeters;
+ var right = (undistortedFrustum[2] * dist + eyeX) / device.widthMeters;
+ var bottom = (undistortedFrustum[3] * dist + eyeY) / device.heightMeters;
+ return {
+ x: left,
+ y: bottom,
+ width: right - left,
+ height: top - bottom
+ };
+};
+
+DeviceInfo.prototype.getFieldOfViewLeftEye = function(opt_isUndistorted) {
+ return opt_isUndistorted ? this.getUndistortedFieldOfViewLeftEye() :
+ this.getDistortedFieldOfViewLeftEye();
+};
+
+DeviceInfo.prototype.getFieldOfViewRightEye = function(opt_isUndistorted) {
+ var fov = this.getFieldOfViewLeftEye(opt_isUndistorted);
+ return {
+ leftDegrees: fov.rightDegrees,
+ rightDegrees: fov.leftDegrees,
+ upDegrees: fov.upDegrees,
+ downDegrees: fov.downDegrees
+ };
+};
+
+/**
+ * Calculates undistorted field of view for the left eye.
+ */
+DeviceInfo.prototype.getUndistortedFieldOfViewLeftEye = function() {
+ var p = this.getUndistortedParams_();
+
+ return {
+ leftDegrees: MathUtil.radToDeg * Math.atan(p.outerDist),
+ rightDegrees: MathUtil.radToDeg * Math.atan(p.innerDist),
+ downDegrees: MathUtil.radToDeg * Math.atan(p.bottomDist),
+ upDegrees: MathUtil.radToDeg * Math.atan(p.topDist)
+ };
+};
+
+DeviceInfo.prototype.getUndistortedViewportLeftEye = function() {
+ var p = this.getUndistortedParams_();
+ var viewer = this.viewer;
+ var device = this.device;
+
+ // Distances stored in local variables are in tan-angle units unless otherwise
+ // noted.
+ var eyeToScreenDistance = viewer.screenLensDistance;
+ var screenWidth = device.widthMeters / eyeToScreenDistance;
+ var screenHeight = device.heightMeters / eyeToScreenDistance;
+ var xPxPerTanAngle = device.width / screenWidth;
+ var yPxPerTanAngle = device.height / screenHeight;
+
+ var x = Math.round((p.eyePosX - p.outerDist) * xPxPerTanAngle);
+ var y = Math.round((p.eyePosY - p.bottomDist) * yPxPerTanAngle);
+ return {
+ x: x,
+ y: y,
+ width: Math.round((p.eyePosX + p.innerDist) * xPxPerTanAngle) - x,
+ height: Math.round((p.eyePosY + p.topDist) * yPxPerTanAngle) - y
+ };
+};
+
+DeviceInfo.prototype.getUndistortedParams_ = function() {
+ var viewer = this.viewer;
+ var device = this.device;
+ var distortion = this.distortion;
+
+ // Most of these variables in tan-angle units.
+ var eyeToScreenDistance = viewer.screenLensDistance;
+ var halfLensDistance = viewer.interLensDistance / 2 / eyeToScreenDistance;
+ var screenWidth = device.widthMeters / eyeToScreenDistance;
+ var screenHeight = device.heightMeters / eyeToScreenDistance;
+
+ var eyePosX = screenWidth / 2 - halfLensDistance;
+ var eyePosY = (viewer.baselineLensDistance - device.bevelMeters) / eyeToScreenDistance;
+
+ var maxFov = viewer.fov;
+ var viewerMax = distortion.distortInverse(Math.tan(MathUtil.degToRad * maxFov));
+ var outerDist = Math.min(eyePosX, viewerMax);
+ var innerDist = Math.min(halfLensDistance, viewerMax);
+ var bottomDist = Math.min(eyePosY, viewerMax);
+ var topDist = Math.min(screenHeight - eyePosY, viewerMax);
+
+ return {
+ outerDist: outerDist,
+ innerDist: innerDist,
+ topDist: topDist,
+ bottomDist: bottomDist,
+ eyePosX: eyePosX,
+ eyePosY: eyePosY
+ };
+};
+
+
+function CardboardViewer(params) {
+ // A machine readable ID.
+ this.id = params.id;
+ // A human readable label.
+ this.label = params.label;
+
+ // Field of view in degrees (per side).
+ this.fov = params.fov;
+
+ // Distance between lens centers in meters.
+ this.interLensDistance = params.interLensDistance;
+ // Distance between viewer baseline and lens center in meters.
+ this.baselineLensDistance = params.baselineLensDistance;
+ // Screen-to-lens distance in meters.
+ this.screenLensDistance = params.screenLensDistance;
+
+ // Distortion coefficients.
+ this.distortionCoefficients = params.distortionCoefficients;
+ // Inverse distortion coefficients.
+ // TODO: Calculate these from distortionCoefficients in the future.
+ this.inverseCoefficients = params.inverseCoefficients;
+}
+
+// Export viewer information.
+DeviceInfo.Viewers = Viewers;
+module.exports = DeviceInfo;
+
+},{"./distortion/distortion.js":54,"./math-util.js":58,"./util.js":67}],53:[function(_dereq_,module,exports){
+/*
+ * Copyright 2016 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var VRDisplay = _dereq_('./base.js').VRDisplay;
+var HMDVRDevice = _dereq_('./base.js').HMDVRDevice;
+var PositionSensorVRDevice = _dereq_('./base.js').PositionSensorVRDevice;
+
+/**
+ * Wraps a VRDisplay and exposes it as a HMDVRDevice
+ */
+function VRDisplayHMDDevice(display) {
+ this.display = display;
+
+ this.hardwareUnitId = display.displayId;
+ this.deviceId = 'webvr-polyfill:HMD:' + display.displayId;
+ this.deviceName = display.displayName + ' (HMD)';
+}
+VRDisplayHMDDevice.prototype = new HMDVRDevice();
+
+VRDisplayHMDDevice.prototype.getEyeParameters = function(whichEye) {
+ var eyeParameters = this.display.getEyeParameters(whichEye);
+
+ return {
+ currentFieldOfView: eyeParameters.fieldOfView,
+ maximumFieldOfView: eyeParameters.fieldOfView,
+ minimumFieldOfView: eyeParameters.fieldOfView,
+ recommendedFieldOfView: eyeParameters.fieldOfView,
+ eyeTranslation: { x: eyeParameters.offset[0], y: eyeParameters.offset[1], z: eyeParameters.offset[2] },
+ renderRect: {
+ x: (whichEye == 'right') ? eyeParameters.renderWidth : 0,
+ y: 0,
+ width: eyeParameters.renderWidth,
+ height: eyeParameters.renderHeight
+ }
+ };
+};
+
+VRDisplayHMDDevice.prototype.setFieldOfView =
+ function(opt_fovLeft, opt_fovRight, opt_zNear, opt_zFar) {
+ // Not supported. getEyeParameters reports that the min, max, and recommended
+ // FoV is all the same, so no adjustment can be made.
+};
+
+// TODO: Need to hook requestFullscreen to see if a wrapped VRDisplay was passed
+// in as an option. If so we should prevent the default fullscreen behavior and
+// call VRDisplay.requestPresent instead.
+
+/**
+ * Wraps a VRDisplay and exposes it as a PositionSensorVRDevice
+ */
+function VRDisplayPositionSensorDevice(display) {
+ this.display = display;
+
+ this.hardwareUnitId = display.displayId;
+ this.deviceId = 'webvr-polyfill:PositionSensor: ' + display.displayId;
+ this.deviceName = display.displayName + ' (PositionSensor)';
+}
+VRDisplayPositionSensorDevice.prototype = new PositionSensorVRDevice();
+
+VRDisplayPositionSensorDevice.prototype.getState = function() {
+ var pose = this.display.getPose();
+ return {
+ position: pose.position ? { x: pose.position[0], y: pose.position[1], z: pose.position[2] } : null,
+ orientation: pose.orientation ? { x: pose.orientation[0], y: pose.orientation[1], z: pose.orientation[2], w: pose.orientation[3] } : null,
+ linearVelocity: null,
+ linearAcceleration: null,
+ angularVelocity: null,
+ angularAcceleration: null
+ };
+};
+
+VRDisplayPositionSensorDevice.prototype.resetState = function() {
+ return this.positionDevice.resetPose();
+};
+
+
+module.exports.VRDisplayHMDDevice = VRDisplayHMDDevice;
+module.exports.VRDisplayPositionSensorDevice = VRDisplayPositionSensorDevice;
+
+
+},{"./base.js":47}],54:[function(_dereq_,module,exports){
+/**
+ * TODO(smus): Implement coefficient inversion.
+ */
+function Distortion(coefficients) {
+ this.coefficients = coefficients;
+}
+
+/**
+ * Calculates the inverse distortion for a radius.
+ * </p><p>
+ * Allows to compute the original undistorted radius from a distorted one.
+ * See also getApproximateInverseDistortion() for a faster but potentially
+ * less accurate method.
+ *
+ * @param {Number} radius Distorted radius from the lens center in tan-angle units.
+ * @return {Number} The undistorted radius in tan-angle units.
+ */
+Distortion.prototype.distortInverse = function(radius) {
+ // Secant method.
+ var r0 = 0;
+ var r1 = 1;
+ var dr0 = radius - this.distort(r0);
+ while (Math.abs(r1 - r0) > 0.0001 /** 0.1mm */) {
+ var dr1 = radius - this.distort(r1);
+ var r2 = r1 - dr1 * ((r1 - r0) / (dr1 - dr0));
+ r0 = r1;
+ r1 = r2;
+ dr0 = dr1;
+ }
+ return r1;
+};
+
+/**
+ * Distorts a radius by its distortion factor from the center of the lenses.
+ *
+ * @param {Number} radius Radius from the lens center in tan-angle units.
+ * @return {Number} The distorted radius in tan-angle units.
+ */
+Distortion.prototype.distort = function(radius) {
+ var r2 = radius * radius;
+ var ret = 0;
+ for (var i = 0; i < this.coefficients.length; i++) {
+ ret = r2 * (ret + this.coefficients[i]);
+ }
+ return (ret + 1) * radius;
+};
+
+module.exports = Distortion;
+
+},{}],55:[function(_dereq_,module,exports){
+module.exports={
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+ "mdmh": "samsung/*/SAMSUNG-SM-N900A/*"
+ },
+ {
+ "ua": "SAMSUNG-SM-N900A"
+ }
+ ],
+ "dpi": [
+ 386.4,
+ 387.7
+ ],
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/GT-I9500/*"
+ },
+ {
+ "ua": "GT-I9500"
+ }
+ ],
+ "dpi": [
+ 442.5,
+ 443.3
+ ],
+ "bw": 3,
+ "ac": 500
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/GT-I9505/*"
+ },
+ {
+ "ua": "GT-I9505"
+ }
+ ],
+ "dpi": 439.4,
+ "bw": 4,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-G900F/*"
+ },
+ {
+ "ua": "SM-G900F"
+ }
+ ],
+ "dpi": [
+ 415.6,
+ 431.6
+ ],
+ "bw": 5,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-G900M/*"
+ },
+ {
+ "ua": "SM-G900M"
+ }
+ ],
+ "dpi": [
+ 415.6,
+ 431.6
+ ],
+ "bw": 5,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-G800F/*"
+ },
+ {
+ "ua": "SM-G800F"
+ }
+ ],
+ "dpi": 326.8,
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-G906S/*"
+ },
+ {
+ "ua": "SM-G906S"
+ }
+ ],
+ "dpi": [
+ 562.7,
+ 572.4
+ ],
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/GT-I9300/*"
+ },
+ {
+ "ua": "GT-I9300"
+ }
+ ],
+ "dpi": [
+ 306.7,
+ 304.8
+ ],
+ "bw": 5,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-T535/*"
+ },
+ {
+ "ua": "SM-T535"
+ }
+ ],
+ "dpi": [
+ 142.6,
+ 136.4
+ ],
+ "bw": 3,
+ "ac": 500
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-N920C/*"
+ },
+ {
+ "ua": "SM-N920C"
+ }
+ ],
+ "dpi": [
+ 515.1,
+ 518.4
+ ],
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-N920W8/*"
+ },
+ {
+ "ua": "SM-N920W8"
+ }
+ ],
+ "dpi": [
+ 515.1,
+ 518.4
+ ],
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/GT-I9300I/*"
+ },
+ {
+ "ua": "GT-I9300I"
+ }
+ ],
+ "dpi": [
+ 304.8,
+ 305.8
+ ],
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/GT-I9195/*"
+ },
+ {
+ "ua": "GT-I9195"
+ }
+ ],
+ "dpi": [
+ 249.4,
+ 256.7
+ ],
+ "bw": 3,
+ "ac": 500
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SPH-L520/*"
+ },
+ {
+ "ua": "SPH-L520"
+ }
+ ],
+ "dpi": [
+ 249.4,
+ 255.9
+ ],
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SAMSUNG-SGH-I717/*"
+ },
+ {
+ "ua": "SAMSUNG-SGH-I717"
+ }
+ ],
+ "dpi": 285.8,
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SPH-D710/*"
+ },
+ {
+ "ua": "SPH-D710"
+ }
+ ],
+ "dpi": [
+ 217.7,
+ 204.2
+ ],
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/GT-N7100/*"
+ },
+ {
+ "ua": "GT-N7100"
+ }
+ ],
+ "dpi": 265.1,
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SCH-I605/*"
+ },
+ {
+ "ua": "SCH-I605"
+ }
+ ],
+ "dpi": 265.1,
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/Galaxy Nexus/*"
+ },
+ {
+ "ua": "Galaxy Nexus"
+ }
+ ],
+ "dpi": [
+ 315.3,
+ 314.2
+ ],
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-N910H/*"
+ },
+ {
+ "ua": "SM-N910H"
+ }
+ ],
+ "dpi": [
+ 515.1,
+ 518
+ ],
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-N910C/*"
+ },
+ {
+ "ua": "SM-N910C"
+ }
+ ],
+ "dpi": [
+ 515.2,
+ 520.2
+ ],
+ "bw": 3,
+ "ac": 500
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-G130M/*"
+ },
+ {
+ "ua": "SM-G130M"
+ }
+ ],
+ "dpi": [
+ 165.9,
+ 164.8
+ ],
+ "bw": 3,
+ "ac": 500
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-G928I/*"
+ },
+ {
+ "ua": "SM-G928I"
+ }
+ ],
+ "dpi": [
+ 515.1,
+ 518.4
+ ],
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-G920F/*"
+ },
+ {
+ "ua": "SM-G920F"
+ }
+ ],
+ "dpi": 580.6,
+ "bw": 3,
+ "ac": 500
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-G920P/*"
+ },
+ {
+ "ua": "SM-G920P"
+ }
+ ],
+ "dpi": [
+ 522.5,
+ 577
+ ],
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-G925F/*"
+ },
+ {
+ "ua": "SM-G925F"
+ }
+ ],
+ "dpi": 580.6,
+ "bw": 3,
+ "ac": 500
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-G925V/*"
+ },
+ {
+ "ua": "SM-G925V"
+ }
+ ],
+ "dpi": [
+ 522.5,
+ 576.6
+ ],
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-G930F/*"
+ },
+ {
+ "ua": "SM-G930F"
+ }
+ ],
+ "dpi": 576.6,
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-G935F/*"
+ },
+ {
+ "ua": "SM-G935F"
+ }
+ ],
+ "dpi": 533,
+ "bw": 3,
+ "ac": 500
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-G950F/*"
+ },
+ {
+ "ua": "SM-G950F"
+ }
+ ],
+ "dpi": [
+ 562.707,
+ 565.293
+ ],
+ "bw": 3,
+ "ac": 500
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "samsung/*/SM-G955U/*"
+ },
+ {
+ "ua": "SM-G955U"
+ }
+ ],
+ "dpi": [
+ 522.514,
+ 525.762
+ ],
+ "bw": 3,
+ "ac": 500
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "Sony/*/C6903/*"
+ },
+ {
+ "ua": "C6903"
+ }
+ ],
+ "dpi": [
+ 442.5,
+ 443.3
+ ],
+ "bw": 3,
+ "ac": 500
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "Sony/*/D6653/*"
+ },
+ {
+ "ua": "D6653"
+ }
+ ],
+ "dpi": [
+ 428.6,
+ 427.6
+ ],
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "Sony/*/E6653/*"
+ },
+ {
+ "ua": "E6653"
+ }
+ ],
+ "dpi": [
+ 428.6,
+ 425.7
+ ],
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "Sony/*/E6853/*"
+ },
+ {
+ "ua": "E6853"
+ }
+ ],
+ "dpi": [
+ 403.4,
+ 401.9
+ ],
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "Sony/*/SGP321/*"
+ },
+ {
+ "ua": "SGP321"
+ }
+ ],
+ "dpi": [
+ 224.7,
+ 224.1
+ ],
+ "bw": 3,
+ "ac": 500
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "TCT/*/ALCATEL ONE TOUCH Fierce/*"
+ },
+ {
+ "ua": "ALCATEL ONE TOUCH Fierce"
+ }
+ ],
+ "dpi": [
+ 240,
+ 247.5
+ ],
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "THL/*/thl 5000/*"
+ },
+ {
+ "ua": "thl 5000"
+ }
+ ],
+ "dpi": [
+ 480,
+ 443.3
+ ],
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "android",
+ "rules": [
+ {
+ "mdmh": "ZTE/*/ZTE Blade L2/*"
+ },
+ {
+ "ua": "ZTE Blade L2"
+ }
+ ],
+ "dpi": 240,
+ "bw": 3,
+ "ac": 500
+ },
+ {
+ "type": "ios",
+ "rules": [
+ {
+ "res": [
+ 640,
+ 960
+ ]
+ }
+ ],
+ "dpi": [
+ 325.1,
+ 328.4
+ ],
+ "bw": 4,
+ "ac": 1000
+ },
+ {
+ "type": "ios",
+ "rules": [
+ {
+ "res": [
+ 640,
+ 1136
+ ]
+ }
+ ],
+ "dpi": [
+ 317.1,
+ 320.2
+ ],
+ "bw": 3,
+ "ac": 1000
+ },
+ {
+ "type": "ios",
+ "rules": [
+ {
+ "res": [
+ 750,
+ 1334
+ ]
+ }
+ ],
+ "dpi": 326.4,
+ "bw": 4,
+ "ac": 1000
+ },
+ {
+ "type": "ios",
+ "rules": [
+ {
+ "res": [
+ 1242,
+ 2208
+ ]
+ }
+ ],
+ "dpi": [
+ 453.6,
+ 458.4
+ ],
+ "bw": 4,
+ "ac": 1000
+ },
+ {
+ "type": "ios",
+ "rules": [
+ {
+ "res": [
+ 1125,
+ 2001
+ ]
+ }
+ ],
+ "dpi": [
+ 410.9,
+ 415.4
+ ],
+ "bw": 4,
+ "ac": 1000
+ }
+ ]
+}
+},{}],56:[function(_dereq_,module,exports){
+/*
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Offline cache of the DPDB, to be used until we load the online one (and
+// as a fallback in case we can't load the online one).
+var DPDB_CACHE = _dereq_('./dpdb.json');
+var Util = _dereq_('../util.js');
+
+// Online DPDB URL.
+var ONLINE_DPDB_URL =
+ 'https://dpdb.webvr.rocks/dpdb.json';
+
+/**
+ * Calculates device parameters based on the DPDB (Device Parameter Database).
+ * Initially, uses the cached DPDB values.
+ *
+ * If fetchOnline == true, then this object tries to fetch the online version
+ * of the DPDB and updates the device info if a better match is found.
+ * Calls the onDeviceParamsUpdated callback when there is an update to the
+ * device information.
+ */
+function Dpdb(fetchOnline, onDeviceParamsUpdated) {
+ // Start with the offline DPDB cache while we are loading the real one.
+ this.dpdb = DPDB_CACHE;
+
+ // Calculate device params based on the offline version of the DPDB.
+ this.recalculateDeviceParams_();
+
+ // XHR to fetch online DPDB file, if requested.
+ if (fetchOnline) {
+ // Set the callback.
+ this.onDeviceParamsUpdated = onDeviceParamsUpdated;
+
+ var xhr = new XMLHttpRequest();
+ var obj = this;
+ xhr.open('GET', ONLINE_DPDB_URL, true);
+ xhr.addEventListener('load', function() {
+ obj.loading = false;
+ if (xhr.status >= 200 && xhr.status <= 299) {
+ // Success.
+ obj.dpdb = JSON.parse(xhr.response);
+ obj.recalculateDeviceParams_();
+ } else {
+ // Error loading the DPDB.
+ console.error('Error loading online DPDB!');
+ }
+ });
+ xhr.send();
+ }
+}
+
+// Returns the current device parameters.
+Dpdb.prototype.getDeviceParams = function() {
+ return this.deviceParams;
+};
+
+// Recalculates this device's parameters based on the DPDB.
+Dpdb.prototype.recalculateDeviceParams_ = function() {
+ var newDeviceParams = this.calcDeviceParams_();
+ if (newDeviceParams) {
+ this.deviceParams = newDeviceParams;
+ // Invoke callback, if it is set.
+ if (this.onDeviceParamsUpdated) {
+ this.onDeviceParamsUpdated(this.deviceParams);
+ }
+ } else {
+ console.error('Failed to recalculate device parameters.');
+ }
+};
+
+// Returns a DeviceParams object that represents the best guess as to this
+// device's parameters. Can return null if the device does not match any
+// known devices.
+Dpdb.prototype.calcDeviceParams_ = function() {
+ var db = this.dpdb; // shorthand
+ if (!db) {
+ console.error('DPDB not available.');
+ return null;
+ }
+ if (db.format != 1) {
+ console.error('DPDB has unexpected format version.');
+ return null;
+ }
+ if (!db.devices || !db.devices.length) {
+ console.error('DPDB does not have a devices section.');
+ return null;
+ }
+
+ // Get the actual user agent and screen dimensions in pixels.
+ var userAgent = navigator.userAgent || navigator.vendor || window.opera;
+ var width = Util.getScreenWidth();
+ var height = Util.getScreenHeight();
+
+ if (!db.devices) {
+ console.error('DPDB has no devices section.');
+ return null;
+ }
+
+ for (var i = 0; i < db.devices.length; i++) {
+ var device = db.devices[i];
+ if (!device.rules) {
+ console.warn('Device[' + i + '] has no rules section.');
+ continue;
+ }
+
+ if (device.type != 'ios' && device.type != 'android') {
+ console.warn('Device[' + i + '] has invalid type.');
+ continue;
+ }
+
+ // See if this device is of the appropriate type.
+ if (Util.isIOS() != (device.type == 'ios')) continue;
+
+ // See if this device matches any of the rules:
+ var matched = false;
+ for (var j = 0; j < device.rules.length; j++) {
+ var rule = device.rules[j];
+ if (this.matchRule_(rule, userAgent, width, height)) {
+ matched = true;
+ break;
+ }
+ }
+ if (!matched) continue;
+
+ // device.dpi might be an array of [ xdpi, ydpi] or just a scalar.
+ var xdpi = device.dpi[0] || device.dpi;
+ var ydpi = device.dpi[1] || device.dpi;
+
+ return new DeviceParams({ xdpi: xdpi, ydpi: ydpi, bevelMm: device.bw });
+ }
+
+ console.warn('No DPDB device match.');
+ return null;
+};
+
+Dpdb.prototype.matchRule_ = function(rule, ua, screenWidth, screenHeight) {
+ // We can only match 'ua' and 'res' rules, not other types like 'mdmh'
+ // (which are meant for native platforms).
+ if (!rule.ua && !rule.res) return false;
+
+ // If our user agent string doesn't contain the indicated user agent string,
+ // the match fails.
+ if (rule.ua && ua.indexOf(rule.ua) < 0) return false;
+
+ // If the rule specifies screen dimensions that don't correspond to ours,
+ // the match fails.
+ if (rule.res) {
+ if (!rule.res[0] || !rule.res[1]) return false;
+ var resX = rule.res[0];
+ var resY = rule.res[1];
+ // Compare min and max so as to make the order not matter, i.e., it should
+ // be true that 640x480 == 480x640.
+ if (Math.min(screenWidth, screenHeight) != Math.min(resX, resY) ||
+ (Math.max(screenWidth, screenHeight) != Math.max(resX, resY))) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+function DeviceParams(params) {
+ this.xdpi = params.xdpi;
+ this.ydpi = params.ydpi;
+ this.bevelMm = params.bevelMm;
+}
+
+module.exports = Dpdb;
+
+},{"../util.js":67,"./dpdb.json":55}],57:[function(_dereq_,module,exports){
+/*
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var Util = _dereq_('./util.js');
+var WebVRPolyfill = _dereq_('./webvr-polyfill.js').WebVRPolyfill;
+
+// Initialize a WebVRConfig just in case.
+window.WebVRConfig = Util.extend({
+ // Forces availability of VR mode, even for non-mobile devices.
+ FORCE_ENABLE_VR: false,
+
+ // Complementary filter coefficient. 0 for accelerometer, 1 for gyro.
+ K_FILTER: 0.98,
+
+ // How far into the future to predict during fast motion (in seconds).
+ PREDICTION_TIME_S: 0.040,
+
+ // Flag to enable touch panner. In case you have your own touch controls.
+ TOUCH_PANNER_DISABLED: true,
+
+ // Flag to disabled the UI in VR Mode.
+ CARDBOARD_UI_DISABLED: false, // Default: false
+
+ // Flag to disable the instructions to rotate your device.
+ ROTATE_INSTRUCTIONS_DISABLED: false, // Default: false.
+
+ // Enable yaw panning only, disabling roll and pitch. This can be useful
+ // for panoramas with nothing interesting above or below.
+ YAW_ONLY: false,
+
+ // To disable keyboard and mouse controls, if you want to use your own
+ // implementation.
+ MOUSE_KEYBOARD_CONTROLS_DISABLED: false,
+
+ // Prevent the polyfill from initializing immediately. Requires the app
+ // to call InitializeWebVRPolyfill() before it can be used.
+ DEFER_INITIALIZATION: false,
+
+ // Enable the deprecated version of the API (navigator.getVRDevices).
+ ENABLE_DEPRECATED_API: false,
+
+ // Scales the recommended buffer size reported by WebVR, which can improve
+ // performance.
+ // UPDATE(2016-05-03): Setting this to 0.5 by default since 1.0 does not
+ // perform well on many mobile devices.
+ BUFFER_SCALE: 0.5,
+
+ // Allow VRDisplay.submitFrame to change gl bindings, which is more
+ // efficient if the application code will re-bind its resources on the
+ // next frame anyway. This has been seen to cause rendering glitches with
+ // THREE.js.
+ // Dirty bindings include: gl.FRAMEBUFFER_BINDING, gl.CURRENT_PROGRAM,
+ // gl.ARRAY_BUFFER_BINDING, gl.ELEMENT_ARRAY_BUFFER_BINDING,
+ // and gl.TEXTURE_BINDING_2D for texture unit 0.
+ DIRTY_SUBMIT_FRAME_BINDINGS: false,
+
+ // When set to true, this will cause a polyfilled VRDisplay to always be
+ // appended to the list returned by navigator.getVRDisplays(), even if that
+ // list includes a native VRDisplay.
+ ALWAYS_APPEND_POLYFILL_DISPLAY: false,
+
+ // There are versions of Chrome (M58-M60?) where the native WebVR API exists,
+ // and instead of returning 0 VR displays when none are detected,
+ // `navigator.getVRDisplays()`'s promise never resolves. This results
+ // in the polyfill hanging and not being able to provide fallback
+ // displays, so set a timeout in milliseconds to stop waiting for a response
+ // and just use polyfilled displays.
+ // https://bugs.chromium.org/p/chromium/issues/detail?id=727969
+ GET_VR_DISPLAYS_TIMEOUT: 1000,
+}, window.WebVRConfig);
+
+if (!window.WebVRConfig.DEFER_INITIALIZATION) {
+ new WebVRPolyfill();
+} else {
+ window.InitializeWebVRPolyfill = function() {
+ new WebVRPolyfill();
+ }
+}
+
+window.WebVRPolyfill = WebVRPolyfill;
+
+},{"./util.js":67,"./webvr-polyfill.js":70}],58:[function(_dereq_,module,exports){
+/*
+ * Copyright 2016 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var MathUtil = window.MathUtil || {};
+
+MathUtil.degToRad = Math.PI / 180;
+MathUtil.radToDeg = 180 / Math.PI;
+
+// Some minimal math functionality borrowed from THREE.Math and stripped down
+// for the purposes of this library.
+
+
+MathUtil.Vector2 = function ( x, y ) {
+ this.x = x || 0;
+ this.y = y || 0;
+};
+
+MathUtil.Vector2.prototype = {
+ constructor: MathUtil.Vector2,
+
+ set: function ( x, y ) {
+ this.x = x;
+ this.y = y;
+
+ return this;
+ },
+
+ copy: function ( v ) {
+ this.x = v.x;
+ this.y = v.y;
+
+ return this;
+ },
+
+ subVectors: function ( a, b ) {
+ this.x = a.x - b.x;
+ this.y = a.y - b.y;
+
+ return this;
+ },
+};
+
+MathUtil.Vector3 = function ( x, y, z ) {
+ this.x = x || 0;
+ this.y = y || 0;
+ this.z = z || 0;
+};
+
+MathUtil.Vector3.prototype = {
+ constructor: MathUtil.Vector3,
+
+ set: function ( x, y, z ) {
+ this.x = x;
+ this.y = y;
+ this.z = z;
+
+ return this;
+ },
+
+ copy: function ( v ) {
+ this.x = v.x;
+ this.y = v.y;
+ this.z = v.z;
+
+ return this;
+ },
+
+ length: function () {
+ return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );
+ },
+
+ normalize: function () {
+ var scalar = this.length();
+
+ if ( scalar !== 0 ) {
+ var invScalar = 1 / scalar;
+
+ this.multiplyScalar(invScalar);
+ } else {
+ this.x = 0;
+ this.y = 0;
+ this.z = 0;
+ }
+
+ return this;
+ },
+
+ multiplyScalar: function ( scalar ) {
+ this.x *= scalar;
+ this.y *= scalar;
+ this.z *= scalar;
+ },
+
+ applyQuaternion: function ( q ) {
+ var x = this.x;
+ var y = this.y;
+ var z = this.z;
+
+ var qx = q.x;
+ var qy = q.y;
+ var qz = q.z;
+ var qw = q.w;
+
+ // calculate quat * vector
+ var ix = qw * x + qy * z - qz * y;
+ var iy = qw * y + qz * x - qx * z;
+ var iz = qw * z + qx * y - qy * x;
+ var iw = - qx * x - qy * y - qz * z;
+
+ // calculate result * inverse quat
+ this.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;
+ this.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;
+ this.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;
+
+ return this;
+ },
+
+ dot: function ( v ) {
+ return this.x * v.x + this.y * v.y + this.z * v.z;
+ },
+
+ crossVectors: function ( a, b ) {
+ var ax = a.x, ay = a.y, az = a.z;
+ var bx = b.x, by = b.y, bz = b.z;
+
+ this.x = ay * bz - az * by;
+ this.y = az * bx - ax * bz;
+ this.z = ax * by - ay * bx;
+
+ return this;
+ },
+};
+
+MathUtil.Quaternion = function ( x, y, z, w ) {
+ this.x = x || 0;
+ this.y = y || 0;
+ this.z = z || 0;
+ this.w = ( w !== undefined ) ? w : 1;
+};
+
+MathUtil.Quaternion.prototype = {
+ constructor: MathUtil.Quaternion,
+
+ set: function ( x, y, z, w ) {
+ this.x = x;
+ this.y = y;
+ this.z = z;
+ this.w = w;
+
+ return this;
+ },
+
+ copy: function ( quaternion ) {
+ this.x = quaternion.x;
+ this.y = quaternion.y;
+ this.z = quaternion.z;
+ this.w = quaternion.w;
+
+ return this;
+ },
+
+ setFromEulerXYZ: function( x, y, z ) {
+ var c1 = Math.cos( x / 2 );
+ var c2 = Math.cos( y / 2 );
+ var c3 = Math.cos( z / 2 );
+ var s1 = Math.sin( x / 2 );
+ var s2 = Math.sin( y / 2 );
+ var s3 = Math.sin( z / 2 );
+
+ this.x = s1 * c2 * c3 + c1 * s2 * s3;
+ this.y = c1 * s2 * c3 - s1 * c2 * s3;
+ this.z = c1 * c2 * s3 + s1 * s2 * c3;
+ this.w = c1 * c2 * c3 - s1 * s2 * s3;
+
+ return this;
+ },
+
+ setFromEulerYXZ: function( x, y, z ) {
+ var c1 = Math.cos( x / 2 );
+ var c2 = Math.cos( y / 2 );
+ var c3 = Math.cos( z / 2 );
+ var s1 = Math.sin( x / 2 );
+ var s2 = Math.sin( y / 2 );
+ var s3 = Math.sin( z / 2 );
+
+ this.x = s1 * c2 * c3 + c1 * s2 * s3;
+ this.y = c1 * s2 * c3 - s1 * c2 * s3;
+ this.z = c1 * c2 * s3 - s1 * s2 * c3;
+ this.w = c1 * c2 * c3 + s1 * s2 * s3;
+
+ return this;
+ },
+
+ setFromAxisAngle: function ( axis, angle ) {
+ // http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm
+ // assumes axis is normalized
+
+ var halfAngle = angle / 2, s = Math.sin( halfAngle );
+
+ this.x = axis.x * s;
+ this.y = axis.y * s;
+ this.z = axis.z * s;
+ this.w = Math.cos( halfAngle );
+
+ return this;
+ },
+
+ multiply: function ( q ) {
+ return this.multiplyQuaternions( this, q );
+ },
+
+ multiplyQuaternions: function ( a, b ) {
+ // from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm
+
+ var qax = a.x, qay = a.y, qaz = a.z, qaw = a.w;
+ var qbx = b.x, qby = b.y, qbz = b.z, qbw = b.w;
+
+ this.x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;
+ this.y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;
+ this.z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;
+ this.w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;
+
+ return this;
+ },
+
+ inverse: function () {
+ this.x *= -1;
+ this.y *= -1;
+ this.z *= -1;
+
+ this.normalize();
+
+ return this;
+ },
+
+ normalize: function () {
+ var l = Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );
+
+ if ( l === 0 ) {
+ this.x = 0;
+ this.y = 0;
+ this.z = 0;
+ this.w = 1;
+ } else {
+ l = 1 / l;
+
+ this.x = this.x * l;
+ this.y = this.y * l;
+ this.z = this.z * l;
+ this.w = this.w * l;
+ }
+
+ return this;
+ },
+
+ slerp: function ( qb, t ) {
+ if ( t === 0 ) return this;
+ if ( t === 1 ) return this.copy( qb );
+
+ var x = this.x, y = this.y, z = this.z, w = this.w;
+
+ // http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/
+
+ var cosHalfTheta = w * qb.w + x * qb.x + y * qb.y + z * qb.z;
+
+ if ( cosHalfTheta < 0 ) {
+ this.w = - qb.w;
+ this.x = - qb.x;
+ this.y = - qb.y;
+ this.z = - qb.z;
+
+ cosHalfTheta = - cosHalfTheta;
+ } else {
+ this.copy( qb );
+ }
+
+ if ( cosHalfTheta >= 1.0 ) {
+ this.w = w;
+ this.x = x;
+ this.y = y;
+ this.z = z;
+
+ return this;
+ }
+
+ var halfTheta = Math.acos( cosHalfTheta );
+ var sinHalfTheta = Math.sqrt( 1.0 - cosHalfTheta * cosHalfTheta );
+
+ if ( Math.abs( sinHalfTheta ) < 0.001 ) {
+ this.w = 0.5 * ( w + this.w );
+ this.x = 0.5 * ( x + this.x );
+ this.y = 0.5 * ( y + this.y );
+ this.z = 0.5 * ( z + this.z );
+
+ return this;
+ }
+
+ var ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,
+ ratioB = Math.sin( t * halfTheta ) / sinHalfTheta;
+
+ this.w = ( w * ratioA + this.w * ratioB );
+ this.x = ( x * ratioA + this.x * ratioB );
+ this.y = ( y * ratioA + this.y * ratioB );
+ this.z = ( z * ratioA + this.z * ratioB );
+
+ return this;
+ },
+
+ setFromUnitVectors: function () {
+ // http://lolengine.net/blog/2014/02/24/quaternion-from-two-vectors-final
+ // assumes direction vectors vFrom and vTo are normalized
+
+ var v1, r;
+ var EPS = 0.000001;
+
+ return function ( vFrom, vTo ) {
+ if ( v1 === undefined ) v1 = new MathUtil.Vector3();
+
+ r = vFrom.dot( vTo ) + 1;
+
+ if ( r < EPS ) {
+ r = 0;
+
+ if ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {
+ v1.set( - vFrom.y, vFrom.x, 0 );
+ } else {
+ v1.set( 0, - vFrom.z, vFrom.y );
+ }
+ } else {
+ v1.crossVectors( vFrom, vTo );
+ }
+
+ this.x = v1.x;
+ this.y = v1.y;
+ this.z = v1.z;
+ this.w = r;
+
+ this.normalize();
+
+ return this;
+ }
+ }(),
+};
+
+module.exports = MathUtil;
+
+},{}],59:[function(_dereq_,module,exports){
+/*
+ * Copyright 2016 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var VRDisplay = _dereq_('./base.js').VRDisplay;
+var MathUtil = _dereq_('./math-util.js');
+var Util = _dereq_('./util.js');
+
+// How much to rotate per key stroke.
+var KEY_SPEED = 0.15;
+var KEY_ANIMATION_DURATION = 80;
+
+// How much to rotate for mouse events.
+var MOUSE_SPEED_X = 0.5;
+var MOUSE_SPEED_Y = 0.3;
+
+/**
+ * VRDisplay based on mouse and keyboard input. Designed for desktops/laptops
+ * where orientation events aren't supported. Cannot present.
+ */
+function MouseKeyboardVRDisplay() {
+ this.displayName = 'Mouse and Keyboard VRDisplay (webvr-polyfill)';
+
+ this.capabilities.hasOrientation = true;
+
+ // Attach to mouse and keyboard events.
+ window.addEventListener('keydown', this.onKeyDown_.bind(this));
+ window.addEventListener('mousemove', this.onMouseMove_.bind(this));
+ window.addEventListener('mousedown', this.onMouseDown_.bind(this));
+ window.addEventListener('mouseup', this.onMouseUp_.bind(this));
+
+ // "Private" members.
+ this.phi_ = 0;
+ this.theta_ = 0;
+
+ // Variables for keyboard-based rotation animation.
+ this.targetAngle_ = null;
+ this.angleAnimation_ = null;
+
+ // State variables for calculations.
+ this.orientation_ = new MathUtil.Quaternion();
+
+ // Variables for mouse-based rotation.
+ this.rotateStart_ = new MathUtil.Vector2();
+ this.rotateEnd_ = new MathUtil.Vector2();
+ this.rotateDelta_ = new MathUtil.Vector2();
+ this.isDragging_ = false;
+
+ this.orientationOut_ = new Float32Array(4);
+}
+MouseKeyboardVRDisplay.prototype = new VRDisplay();
+
+MouseKeyboardVRDisplay.prototype.getImmediatePose = function() {
+ this.orientation_.setFromEulerYXZ(this.phi_, this.theta_, 0);
+
+ this.orientationOut_[0] = this.orientation_.x;
+ this.orientationOut_[1] = this.orientation_.y;
+ this.orientationOut_[2] = this.orientation_.z;
+ this.orientationOut_[3] = this.orientation_.w;
+
+ return {
+ position: null,
+ orientation: this.orientationOut_,
+ linearVelocity: null,
+ linearAcceleration: null,
+ angularVelocity: null,
+ angularAcceleration: null
+ };
+};
+
+MouseKeyboardVRDisplay.prototype.onKeyDown_ = function(e) {
+ // Track WASD and arrow keys.
+ if (e.keyCode == 38) { // Up key.
+ this.animatePhi_(this.phi_ + KEY_SPEED);
+ } else if (e.keyCode == 39) { // Right key.
+ this.animateTheta_(this.theta_ - KEY_SPEED);
+ } else if (e.keyCode == 40) { // Down key.
+ this.animatePhi_(this.phi_ - KEY_SPEED);
+ } else if (e.keyCode == 37) { // Left key.
+ this.animateTheta_(this.theta_ + KEY_SPEED);
+ }
+};
+
+MouseKeyboardVRDisplay.prototype.animateTheta_ = function(targetAngle) {
+ this.animateKeyTransitions_('theta_', targetAngle);
+};
+
+MouseKeyboardVRDisplay.prototype.animatePhi_ = function(targetAngle) {
+ // Prevent looking too far up or down.
+ targetAngle = Util.clamp(targetAngle, -Math.PI/2, Math.PI/2);
+ this.animateKeyTransitions_('phi_', targetAngle);
+};
+
+/**
+ * Start an animation to transition an angle from one value to another.
+ */
+MouseKeyboardVRDisplay.prototype.animateKeyTransitions_ = function(angleName, targetAngle) {
+ // If an animation is currently running, cancel it.
+ if (this.angleAnimation_) {
+ cancelAnimationFrame(this.angleAnimation_);
+ }
+ var startAngle = this[angleName];
+ var startTime = new Date();
+ // Set up an interval timer to perform the animation.
+ this.angleAnimation_ = requestAnimationFrame(function animate() {
+ // Once we're finished the animation, we're done.
+ var elapsed = new Date() - startTime;
+ if (elapsed >= KEY_ANIMATION_DURATION) {
+ this[angleName] = targetAngle;
+ cancelAnimationFrame(this.angleAnimation_);
+ return;
+ }
+ // loop with requestAnimationFrame
+ this.angleAnimation_ = requestAnimationFrame(animate.bind(this))
+ // Linearly interpolate the angle some amount.
+ var percent = elapsed / KEY_ANIMATION_DURATION;
+ this[angleName] = startAngle + (targetAngle - startAngle) * percent;
+ }.bind(this));
+};
+
+MouseKeyboardVRDisplay.prototype.onMouseDown_ = function(e) {
+ this.rotateStart_.set(e.clientX, e.clientY);
+ this.isDragging_ = true;
+};
+
+// Very similar to https://gist.github.com/mrflix/8351020
+MouseKeyboardVRDisplay.prototype.onMouseMove_ = function(e) {
+ if (!this.isDragging_ && !this.isPointerLocked_()) {
+ return;
+ }
+ // Support pointer lock API.
+ if (this.isPointerLocked_()) {
+ var movementX = e.movementX || e.mozMovementX || 0;
+ var movementY = e.movementY || e.mozMovementY || 0;
+ this.rotateEnd_.set(this.rotateStart_.x - movementX, this.rotateStart_.y - movementY);
+ } else {
+ this.rotateEnd_.set(e.clientX, e.clientY);
+ }
+ // Calculate how much we moved in mouse space.
+ this.rotateDelta_.subVectors(this.rotateEnd_, this.rotateStart_);
+ this.rotateStart_.copy(this.rotateEnd_);
+
+ // Keep track of the cumulative euler angles.
+ this.phi_ += 2 * Math.PI * this.rotateDelta_.y / screen.height * MOUSE_SPEED_Y;
+ this.theta_ += 2 * Math.PI * this.rotateDelta_.x / screen.width * MOUSE_SPEED_X;
+
+ // Prevent looking too far up or down.
+ this.phi_ = Util.clamp(this.phi_, -Math.PI/2, Math.PI/2);
+};
+
+MouseKeyboardVRDisplay.prototype.onMouseUp_ = function(e) {
+ this.isDragging_ = false;
+};
+
+MouseKeyboardVRDisplay.prototype.isPointerLocked_ = function() {
+ var el = document.pointerLockElement || document.mozPointerLockElement ||
+ document.webkitPointerLockElement;
+ return el !== undefined;
+};
+
+MouseKeyboardVRDisplay.prototype.resetPose = function() {
+ this.phi_ = 0;
+ this.theta_ = 0;
+};
+
+module.exports = MouseKeyboardVRDisplay;
+
+},{"./base.js":47,"./math-util.js":58,"./util.js":67}],60:[function(_dereq_,module,exports){
+(function (global){
+// This is the entry point if requiring/importing via node, or
+// a build tool that uses package.json entry (like browserify, webpack).
+// If running in node with a window mock available, globalize its members
+// if needed. Otherwise, just continue to `./main`
+if (typeof global !== 'undefined' && global.window) {
+ global.document = global.window.document;
+ global.navigator = global.window.navigator;
+}
+
+_dereq_('./main');
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{"./main":57}],61:[function(_dereq_,module,exports){
+/*
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var Util = _dereq_('./util.js');
+
+function RotateInstructions() {
+ this.loadIcon_();
+
+ var overlay = document.createElement('div');
+ var s = overlay.style;
+ s.position = 'fixed';
+ s.top = 0;
+ s.right = 0;
+ s.bottom = 0;
+ s.left = 0;
+ s.backgroundColor = 'gray';
+ s.fontFamily = 'sans-serif';
+ // Force this to be above the fullscreen canvas, which is at zIndex: 999999.
+ s.zIndex = 1000000;
+
+ var img = document.createElement('img');
+ img.src = this.icon;
+ var s = img.style;
+ s.marginLeft = '25%';
+ s.marginTop = '25%';
+ s.width = '50%';
+ overlay.appendChild(img);
+
+ var text = document.createElement('div');
+ var s = text.style;
+ s.textAlign = 'center';
+ s.fontSize = '16px';
+ s.lineHeight = '24px';
+ s.margin = '24px 25%';
+ s.width = '50%';
+ text.innerHTML = 'Place your phone into your Cardboard viewer.';
+ overlay.appendChild(text);
+
+ var snackbar = document.createElement('div');
+ var s = snackbar.style;
+ s.backgroundColor = '#CFD8DC';
+ s.position = 'fixed';
+ s.bottom = 0;
+ s.width = '100%';
+ s.height = '48px';
+ s.padding = '14px 24px';
+ s.boxSizing = 'border-box';
+ s.color = '#656A6B';
+ overlay.appendChild(snackbar);
+
+ var snackbarText = document.createElement('div');
+ snackbarText.style.float = 'left';
+ snackbarText.innerHTML = 'No Cardboard viewer?';
+
+ var snackbarButton = document.createElement('a');
+ snackbarButton.href = 'https://www.google.com/get/cardboard/get-cardboard/';
+ snackbarButton.innerHTML = 'get one';
+ snackbarButton.target = '_blank';
+ var s = snackbarButton.style;
+ s.float = 'right';
+ s.fontWeight = 600;
+ s.textTransform = 'uppercase';
+ s.borderLeft = '1px solid gray';
+ s.paddingLeft = '24px';
+ s.textDecoration = 'none';
+ s.color = '#656A6B';
+
+ snackbar.appendChild(snackbarText);
+ snackbar.appendChild(snackbarButton);
+
+ this.overlay = overlay;
+ this.text = text;
+
+ this.hide();
+}
+
+RotateInstructions.prototype.show = function(parent) {
+ if (!parent && !this.overlay.parentElement) {
+ document.body.appendChild(this.overlay);
+ } else if (parent) {
+ if (this.overlay.parentElement && this.overlay.parentElement != parent)
+ this.overlay.parentElement.removeChild(this.overlay);
+
+ parent.appendChild(this.overlay);
+ }
+
+ this.overlay.style.display = 'block';
+
+ var img = this.overlay.querySelector('img');
+ var s = img.style;
+
+ if (Util.isLandscapeMode()) {
+ s.width = '20%';
+ s.marginLeft = '40%';
+ s.marginTop = '3%';
+ } else {
+ s.width = '50%';
+ s.marginLeft = '25%';
+ s.marginTop = '25%';
+ }
+};
+
+RotateInstructions.prototype.hide = function() {
+ this.overlay.style.display = 'none';
+};
+
+RotateInstructions.prototype.showTemporarily = function(ms, parent) {
+ this.show(parent);
+ this.timer = setTimeout(this.hide.bind(this), ms);
+};
+
+RotateInstructions.prototype.disableShowTemporarily = function() {
+ clearTimeout(this.timer);
+};
+
+RotateInstructions.prototype.update = function() {
+ this.disableShowTemporarily();
+ // In portrait VR mode, tell the user to rotate to landscape. Otherwise, hide
+ // the instructions.
+ if (!Util.isLandscapeMode() && Util.isMobile()) {
+ this.show();
+ } else {
+ this.hide();
+ }
+};
+
+RotateInstructions.prototype.loadIcon_ = function() {
+ // Encoded asset_src/rotate-instructions.svg
+ this.icon = Util.base64('image/svg+xml', '<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg width="198px" height="240px" viewBox="0 0 198 240" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:sketch="http://www.bohemiancoding.com/sketch/ns">
    <!-- Generator: Sketch 3.3.3 (12081) - http://www.bohemiancoding.com/sketch -->
    <title>transition</title>
    <desc>Created with Sketch.</desc>
    <defs></defs>
    <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd" sketch:type="MSPage">
        <g id="transition" sketch:type="MSArtboardGroup">
            <g id="Imported-Layers-Copy-4-+-Imported-Layers-Copy-+-Imported-Layers-Copy-2-Copy" sketch:type="MSLayerGroup">
                <g id="Imported-Layers-Copy-4" transform="translate(0.000000, 107.000000)" sketch:type="MSShapeGroup">
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    </g>
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+};
+
+module.exports = RotateInstructions;
+
+},{"./util.js":67}],62:[function(_dereq_,module,exports){
+/*
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var SensorSample = _dereq_('./sensor-sample.js');
+var MathUtil = _dereq_('../math-util.js');
+var Util = _dereq_('../util.js');
+
+/**
+ * An implementation of a simple complementary filter, which fuses gyroscope and
+ * accelerometer data from the 'devicemotion' event.
+ *
+ * Accelerometer data is very noisy, but stable over the long term.
+ * Gyroscope data is smooth, but tends to drift over the long term.
+ *
+ * This fusion is relatively simple:
+ * 1. Get orientation estimates from accelerometer by applying a low-pass filter
+ * on that data.
+ * 2. Get orientation estimates from gyroscope by integrating over time.
+ * 3. Combine the two estimates, weighing (1) in the long term, but (2) for the
+ * short term.
+ */
+function ComplementaryFilter(kFilter) {
+ this.kFilter = kFilter;
+
+ // Raw sensor measurements.
+ this.currentAccelMeasurement = new SensorSample();
+ this.currentGyroMeasurement = new SensorSample();
+ this.previousGyroMeasurement = new SensorSample();
+
+ // Set default look direction to be in the correct direction.
+ if (Util.isIOS()) {
+ this.filterQ = new MathUtil.Quaternion(-1, 0, 0, 1);
+ } else {
+ this.filterQ = new MathUtil.Quaternion(1, 0, 0, 1);
+ }
+ this.previousFilterQ = new MathUtil.Quaternion();
+ this.previousFilterQ.copy(this.filterQ);
+
+ // Orientation based on the accelerometer.
+ this.accelQ = new MathUtil.Quaternion();
+ // Whether or not the orientation has been initialized.
+ this.isOrientationInitialized = false;
+ // Running estimate of gravity based on the current orientation.
+ this.estimatedGravity = new MathUtil.Vector3();
+ // Measured gravity based on accelerometer.
+ this.measuredGravity = new MathUtil.Vector3();
+
+ // Debug only quaternion of gyro-based orientation.
+ this.gyroIntegralQ = new MathUtil.Quaternion();
+}
+
+ComplementaryFilter.prototype.addAccelMeasurement = function(vector, timestampS) {
+ this.currentAccelMeasurement.set(vector, timestampS);
+};
+
+ComplementaryFilter.prototype.addGyroMeasurement = function(vector, timestampS) {
+ this.currentGyroMeasurement.set(vector, timestampS);
+
+ var deltaT = timestampS - this.previousGyroMeasurement.timestampS;
+ if (Util.isTimestampDeltaValid(deltaT)) {
+ this.run_();
+ }
+
+ this.previousGyroMeasurement.copy(this.currentGyroMeasurement);
+};
+
+ComplementaryFilter.prototype.run_ = function() {
+
+ if (!this.isOrientationInitialized) {
+ this.accelQ = this.accelToQuaternion_(this.currentAccelMeasurement.sample);
+ this.previousFilterQ.copy(this.accelQ);
+ this.isOrientationInitialized = true;
+ return;
+ }
+
+ var deltaT = this.currentGyroMeasurement.timestampS -
+ this.previousGyroMeasurement.timestampS;
+
+ // Convert gyro rotation vector to a quaternion delta.
+ var gyroDeltaQ = this.gyroToQuaternionDelta_(this.currentGyroMeasurement.sample, deltaT);
+ this.gyroIntegralQ.multiply(gyroDeltaQ);
+
+ // filter_1 = K * (filter_0 + gyro * dT) + (1 - K) * accel.
+ this.filterQ.copy(this.previousFilterQ);
+ this.filterQ.multiply(gyroDeltaQ);
+
+ // Calculate the delta between the current estimated gravity and the real
+ // gravity vector from accelerometer.
+ var invFilterQ = new MathUtil.Quaternion();
+ invFilterQ.copy(this.filterQ);
+ invFilterQ.inverse();
+
+ this.estimatedGravity.set(0, 0, -1);
+ this.estimatedGravity.applyQuaternion(invFilterQ);
+ this.estimatedGravity.normalize();
+
+ this.measuredGravity.copy(this.currentAccelMeasurement.sample);
+ this.measuredGravity.normalize();
+
+ // Compare estimated gravity with measured gravity, get the delta quaternion
+ // between the two.
+ var deltaQ = new MathUtil.Quaternion();
+ deltaQ.setFromUnitVectors(this.estimatedGravity, this.measuredGravity);
+ deltaQ.inverse();
+
+ if (Util.isDebug()) {
+ console.log('Delta: %d deg, G_est: (%s, %s, %s), G_meas: (%s, %s, %s)',
+ MathUtil.radToDeg * Util.getQuaternionAngle(deltaQ),
+ (this.estimatedGravity.x).toFixed(1),
+ (this.estimatedGravity.y).toFixed(1),
+ (this.estimatedGravity.z).toFixed(1),
+ (this.measuredGravity.x).toFixed(1),
+ (this.measuredGravity.y).toFixed(1),
+ (this.measuredGravity.z).toFixed(1));
+ }
+
+ // Calculate the SLERP target: current orientation plus the measured-estimated
+ // quaternion delta.
+ var targetQ = new MathUtil.Quaternion();
+ targetQ.copy(this.filterQ);
+ targetQ.multiply(deltaQ);
+
+ // SLERP factor: 0 is pure gyro, 1 is pure accel.
+ this.filterQ.slerp(targetQ, 1 - this.kFilter);
+
+ this.previousFilterQ.copy(this.filterQ);
+};
+
+ComplementaryFilter.prototype.getOrientation = function() {
+ return this.filterQ;
+};
+
+ComplementaryFilter.prototype.accelToQuaternion_ = function(accel) {
+ var normAccel = new MathUtil.Vector3();
+ normAccel.copy(accel);
+ normAccel.normalize();
+ var quat = new MathUtil.Quaternion();
+ quat.setFromUnitVectors(new MathUtil.Vector3(0, 0, -1), normAccel);
+ quat.inverse();
+ return quat;
+};
+
+ComplementaryFilter.prototype.gyroToQuaternionDelta_ = function(gyro, dt) {
+ // Extract axis and angle from the gyroscope data.
+ var quat = new MathUtil.Quaternion();
+ var axis = new MathUtil.Vector3();
+ axis.copy(gyro);
+ axis.normalize();
+ quat.setFromAxisAngle(axis, gyro.length() * dt);
+ return quat;
+};
+
+
+module.exports = ComplementaryFilter;
+
+},{"../math-util.js":58,"../util.js":67,"./sensor-sample.js":65}],63:[function(_dereq_,module,exports){
+/*
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var ComplementaryFilter = _dereq_('./complementary-filter.js');
+var PosePredictor = _dereq_('./pose-predictor.js');
+var TouchPanner = _dereq_('../touch-panner.js');
+var MathUtil = _dereq_('../math-util.js');
+var Util = _dereq_('../util.js');
+
+/**
+ * The pose sensor, implemented using DeviceMotion APIs.
+ */
+function FusionPoseSensor() {
+ this.deviceId = 'webvr-polyfill:fused';
+ this.deviceName = 'VR Position Device (webvr-polyfill:fused)';
+
+ this.accelerometer = new MathUtil.Vector3();
+ this.gyroscope = new MathUtil.Vector3();
+
+ this.start();
+
+ this.filter = new ComplementaryFilter(window.WebVRConfig.K_FILTER);
+ this.posePredictor = new PosePredictor(window.WebVRConfig.PREDICTION_TIME_S);
+ this.touchPanner = new TouchPanner();
+
+ this.filterToWorldQ = new MathUtil.Quaternion();
+
+ // Set the filter to world transform, depending on OS.
+ if (Util.isIOS()) {
+ this.filterToWorldQ.setFromAxisAngle(new MathUtil.Vector3(1, 0, 0), Math.PI / 2);
+ } else {
+ this.filterToWorldQ.setFromAxisAngle(new MathUtil.Vector3(1, 0, 0), -Math.PI / 2);
+ }
+
+ this.inverseWorldToScreenQ = new MathUtil.Quaternion();
+ this.worldToScreenQ = new MathUtil.Quaternion();
+ this.originalPoseAdjustQ = new MathUtil.Quaternion();
+ this.originalPoseAdjustQ.setFromAxisAngle(new MathUtil.Vector3(0, 0, 1),
+ -window.orientation * Math.PI / 180);
+
+ this.setScreenTransform_();
+ // Adjust this filter for being in landscape mode.
+ if (Util.isLandscapeMode()) {
+ this.filterToWorldQ.multiply(this.inverseWorldToScreenQ);
+ }
+
+ // Keep track of a reset transform for resetSensor.
+ this.resetQ = new MathUtil.Quaternion();
+
+ this.isFirefoxAndroid = Util.isFirefoxAndroid();
+ this.isIOS = Util.isIOS();
+
+ this.orientationOut_ = new Float32Array(4);
+}
+
+FusionPoseSensor.prototype.getPosition = function() {
+ // This PoseSensor doesn't support position
+ return null;
+};
+
+FusionPoseSensor.prototype.getOrientation = function() {
+ // Convert from filter space to the the same system used by the
+ // deviceorientation event.
+ var orientation = this.filter.getOrientation();
+
+ // Predict orientation.
+ this.predictedQ = this.posePredictor.getPrediction(orientation, this.gyroscope, this.previousTimestampS);
+
+ // Convert to THREE coordinate system: -Z forward, Y up, X right.
+ var out = new MathUtil.Quaternion();
+ out.copy(this.filterToWorldQ);
+ out.multiply(this.resetQ);
+ if (!window.WebVRConfig.TOUCH_PANNER_DISABLED) {
+ out.multiply(this.touchPanner.getOrientation());
+ }
+ out.multiply(this.predictedQ);
+ out.multiply(this.worldToScreenQ);
+
+ // Handle the yaw-only case.
+ if (window.WebVRConfig.YAW_ONLY) {
+ // Make a quaternion that only turns around the Y-axis.
+ out.x = 0;
+ out.z = 0;
+ out.normalize();
+ }
+
+ this.orientationOut_[0] = out.x;
+ this.orientationOut_[1] = out.y;
+ this.orientationOut_[2] = out.z;
+ this.orientationOut_[3] = out.w;
+ return this.orientationOut_;
+};
+
+FusionPoseSensor.prototype.resetPose = function() {
+ // Reduce to inverted yaw-only.
+ this.resetQ.copy(this.filter.getOrientation());
+ this.resetQ.x = 0;
+ this.resetQ.y = 0;
+ this.resetQ.z *= -1;
+ this.resetQ.normalize();
+
+ // Take into account extra transformations in landscape mode.
+ if (Util.isLandscapeMode()) {
+ this.resetQ.multiply(this.inverseWorldToScreenQ);
+ }
+
+ // Take into account original pose.
+ this.resetQ.multiply(this.originalPoseAdjustQ);
+
+ if (!window.WebVRConfig.TOUCH_PANNER_DISABLED) {
+ this.touchPanner.resetSensor();
+ }
+};
+
+FusionPoseSensor.prototype.onDeviceMotion_ = function(deviceMotion) {
+ this.updateDeviceMotion_(deviceMotion);
+};
+
+FusionPoseSensor.prototype.updateDeviceMotion_ = function(deviceMotion) {
+ var accGravity = deviceMotion.accelerationIncludingGravity;
+ var rotRate = deviceMotion.rotationRate;
+ var timestampS = deviceMotion.timeStamp / 1000;
+
+ var deltaS = timestampS - this.previousTimestampS;
+ if (deltaS <= Util.MIN_TIMESTEP || deltaS > Util.MAX_TIMESTEP) {
+ console.warn('Invalid timestamps detected. Time step between successive ' +
+ 'gyroscope sensor samples is very small or not monotonic');
+ this.previousTimestampS = timestampS;
+ return;
+ }
+
+ this.accelerometer.set(-accGravity.x, -accGravity.y, -accGravity.z);
+ if (Util.isR7()) {
+ this.gyroscope.set(-rotRate.beta, rotRate.alpha, rotRate.gamma);
+ } else {
+ this.gyroscope.set(rotRate.alpha, rotRate.beta, rotRate.gamma);
+ }
+
+ // With iOS and Firefox Android, rotationRate is reported in degrees,
+ // so we first convert to radians.
+ if (this.isIOS || this.isFirefoxAndroid) {
+ this.gyroscope.multiplyScalar(Math.PI / 180);
+ }
+
+ this.filter.addAccelMeasurement(this.accelerometer, timestampS);
+ this.filter.addGyroMeasurement(this.gyroscope, timestampS);
+
+ this.previousTimestampS = timestampS;
+};
+
+FusionPoseSensor.prototype.onOrientationChange_ = function(screenOrientation) {
+ this.setScreenTransform_();
+};
+
+/**
+ * This is only needed if we are in an cross origin iframe on iOS to work around
+ * this issue: https://bugs.webkit.org/show_bug.cgi?id=152299.
+ */
+FusionPoseSensor.prototype.onMessage_ = function(event) {
+ var message = event.data;
+
+ // If there's no message type, ignore it.
+ if (!message || !message.type) {
+ return;
+ }
+
+ // Ignore all messages that aren't devicemotion.
+ var type = message.type.toLowerCase();
+ if (type !== 'devicemotion') {
+ return;
+ }
+
+ // Update device motion.
+ this.updateDeviceMotion_(message.deviceMotionEvent);
+};
+
+FusionPoseSensor.prototype.setScreenTransform_ = function() {
+ this.worldToScreenQ.set(0, 0, 0, 1);
+ switch (window.orientation) {
+ case 0:
+ break;
+ case 90:
+ this.worldToScreenQ.setFromAxisAngle(new MathUtil.Vector3(0, 0, 1), -Math.PI / 2);
+ break;
+ case -90:
+ this.worldToScreenQ.setFromAxisAngle(new MathUtil.Vector3(0, 0, 1), Math.PI / 2);
+ break;
+ case 180:
+ // TODO.
+ break;
+ }
+ this.inverseWorldToScreenQ.copy(this.worldToScreenQ);
+ this.inverseWorldToScreenQ.inverse();
+};
+
+FusionPoseSensor.prototype.start = function() {
+ this.onDeviceMotionCallback_ = this.onDeviceMotion_.bind(this);
+ this.onOrientationChangeCallback_ = this.onOrientationChange_.bind(this);
+ this.onMessageCallback_ = this.onMessage_.bind(this);
+
+ // Only listen for postMessages if we're in an iOS and embedded inside a cross
+ // domain IFrame. In this case, the polyfill can still work if the containing
+ // page sends synthetic devicemotion events. For an example of this, see
+ // iframe-message-sender.js in VR View: https://goo.gl/XDtvFZ
+ if (Util.isIOS() && Util.isInsideCrossDomainIFrame()) {
+ window.addEventListener('message', this.onMessageCallback_);
+ }
+ window.addEventListener('orientationchange', this.onOrientationChangeCallback_);
+ window.addEventListener('devicemotion', this.onDeviceMotionCallback_);
+};
+
+FusionPoseSensor.prototype.stop = function() {
+ window.removeEventListener('devicemotion', this.onDeviceMotionCallback_);
+ window.removeEventListener('orientationchange', this.onOrientationChangeCallback_);
+ window.removeEventListener('message', this.onMessageCallback_);
+};
+
+module.exports = FusionPoseSensor;
+
+},{"../math-util.js":58,"../touch-panner.js":66,"../util.js":67,"./complementary-filter.js":62,"./pose-predictor.js":64}],64:[function(_dereq_,module,exports){
+/*
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var MathUtil = _dereq_('../math-util');
+var Util = _dereq_('../util');
+
+/**
+ * Given an orientation and the gyroscope data, predicts the future orientation
+ * of the head. This makes rendering appear faster.
+ *
+ * Also see: http://msl.cs.uiuc.edu/~lavalle/papers/LavYerKatAnt14.pdf
+ *
+ * @param {Number} predictionTimeS time from head movement to the appearance of
+ * the corresponding image.
+ */
+function PosePredictor(predictionTimeS) {
+ this.predictionTimeS = predictionTimeS;
+
+ // The quaternion corresponding to the previous state.
+ this.previousQ = new MathUtil.Quaternion();
+ // Previous time a prediction occurred.
+ this.previousTimestampS = null;
+
+ // The delta quaternion that adjusts the current pose.
+ this.deltaQ = new MathUtil.Quaternion();
+ // The output quaternion.
+ this.outQ = new MathUtil.Quaternion();
+}
+
+PosePredictor.prototype.getPrediction = function(currentQ, gyro, timestampS) {
+ if (!this.previousTimestampS) {
+ this.previousQ.copy(currentQ);
+ this.previousTimestampS = timestampS;
+ return currentQ;
+ }
+
+ // Calculate axis and angle based on gyroscope rotation rate data.
+ var axis = new MathUtil.Vector3();
+ axis.copy(gyro);
+ axis.normalize();
+
+ var angularSpeed = gyro.length();
+
+ // If we're rotating slowly, don't do prediction.
+ if (angularSpeed < MathUtil.degToRad * 20) {
+ if (Util.isDebug()) {
+ console.log('Moving slowly, at %s deg/s: no prediction',
+ (MathUtil.radToDeg * angularSpeed).toFixed(1));
+ }
+ this.outQ.copy(currentQ);
+ this.previousQ.copy(currentQ);
+ return this.outQ;
+ }
+
+ // Get the predicted angle based on the time delta and latency.
+ var deltaT = timestampS - this.previousTimestampS;
+ var predictAngle = angularSpeed * this.predictionTimeS;
+
+ this.deltaQ.setFromAxisAngle(axis, predictAngle);
+ this.outQ.copy(this.previousQ);
+ this.outQ.multiply(this.deltaQ);
+
+ this.previousQ.copy(currentQ);
+ this.previousTimestampS = timestampS;
+
+ return this.outQ;
+};
+
+
+module.exports = PosePredictor;
+
+},{"../math-util":58,"../util":67}],65:[function(_dereq_,module,exports){
+function SensorSample(sample, timestampS) {
+ this.set(sample, timestampS);
+};
+
+SensorSample.prototype.set = function(sample, timestampS) {
+ this.sample = sample;
+ this.timestampS = timestampS;
+};
+
+SensorSample.prototype.copy = function(sensorSample) {
+ this.set(sensorSample.sample, sensorSample.timestampS);
+};
+
+module.exports = SensorSample;
+
+},{}],66:[function(_dereq_,module,exports){
+/*
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var MathUtil = _dereq_('./math-util.js');
+var Util = _dereq_('./util.js');
+
+var ROTATE_SPEED = 0.5;
+/**
+ * Provides a quaternion responsible for pre-panning the scene before further
+ * transformations due to device sensors.
+ */
+function TouchPanner() {
+ window.addEventListener('touchstart', this.onTouchStart_.bind(this));
+ window.addEventListener('touchmove', this.onTouchMove_.bind(this));
+ window.addEventListener('touchend', this.onTouchEnd_.bind(this));
+
+ this.isTouching = false;
+ this.rotateStart = new MathUtil.Vector2();
+ this.rotateEnd = new MathUtil.Vector2();
+ this.rotateDelta = new MathUtil.Vector2();
+
+ this.theta = 0;
+ this.orientation = new MathUtil.Quaternion();
+}
+
+TouchPanner.prototype.getOrientation = function() {
+ this.orientation.setFromEulerXYZ(0, 0, this.theta);
+ return this.orientation;
+};
+
+TouchPanner.prototype.resetSensor = function() {
+ this.theta = 0;
+};
+
+TouchPanner.prototype.onTouchStart_ = function(e) {
+ // Only respond if there is exactly one touch.
+ // Note that the Daydream controller passes in a `touchstart` event with
+ // no `touches` property, so we must check for that case too.
+ if (!e.touches || e.touches.length != 1) {
+ return;
+ }
+ this.rotateStart.set(e.touches[0].pageX, e.touches[0].pageY);
+ this.isTouching = true;
+};
+
+TouchPanner.prototype.onTouchMove_ = function(e) {
+ if (!this.isTouching) {
+ return;
+ }
+ this.rotateEnd.set(e.touches[0].pageX, e.touches[0].pageY);
+ this.rotateDelta.subVectors(this.rotateEnd, this.rotateStart);
+ this.rotateStart.copy(this.rotateEnd);
+
+ // On iOS, direction is inverted.
+ if (Util.isIOS()) {
+ this.rotateDelta.x *= -1;
+ }
+
+ var element = document.body;
+ this.theta += 2 * Math.PI * this.rotateDelta.x / element.clientWidth * ROTATE_SPEED;
+};
+
+TouchPanner.prototype.onTouchEnd_ = function(e) {
+ this.isTouching = false;
+};
+
+module.exports = TouchPanner;
+
+},{"./math-util.js":58,"./util.js":67}],67:[function(_dereq_,module,exports){
+/*
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var Util = window.Util || {};
+
+Util.MIN_TIMESTEP = 0.001;
+Util.MAX_TIMESTEP = 1;
+
+Util.base64 = function(mimeType, base64) {
+ return 'data:' + mimeType + ';base64,' + base64;
+};
+
+Util.clamp = function(value, min, max) {
+ return Math.min(Math.max(min, value), max);
+};
+
+Util.lerp = function(a, b, t) {
+ return a + ((b - a) * t);
+};
+
+/**
+ * Light polyfill for `Promise.race`. Returns
+ * a promise that resolves when the first promise
+ * provided resolves.
+ *
+ * @param {Array<Promise>} promises
+ */
+Util.race = function(promises) {
+ if (Promise.race) {
+ return Promise.race(promises);
+ }
+
+ return new Promise(function (resolve, reject) {
+ for (var i = 0; i < promises.length; i++) {
+ promises[i].then(resolve, reject);
+ }
+ });
+};
+
+Util.isIOS = (function() {
+ var isIOS = /iPad|iPhone|iPod/.test(navigator.platform);
+ return function() {
+ return isIOS;
+ };
+})();
+
+Util.isWebViewAndroid = (function() {
+ var isWebViewAndroid = navigator.userAgent.indexOf('Version') !== -1 &&
+ navigator.userAgent.indexOf('Android') !== -1 &&
+ navigator.userAgent.indexOf('Chrome') !== -1;
+ return function() {
+ return isWebViewAndroid;
+ };
+})();
+
+Util.isSafari = (function() {
+ var isSafari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent);
+ return function() {
+ return isSafari;
+ };
+})();
+
+Util.isFirefoxAndroid = (function() {
+ var isFirefoxAndroid = navigator.userAgent.indexOf('Firefox') !== -1 &&
+ navigator.userAgent.indexOf('Android') !== -1;
+ return function() {
+ return isFirefoxAndroid;
+ };
+})();
+
+Util.isR7 = (function() {
+ var isR7 = navigator.userAgent.indexOf('R7 Build') !== -1;
+ return function() {
+ return isR7;
+ };
+})();
+
+Util.isLandscapeMode = function() {
+ var rtn = (window.orientation == 90 || window.orientation == -90);
+ return Util.isR7() ? !rtn : rtn;
+};
+
+// Helper method to validate the time steps of sensor timestamps.
+Util.isTimestampDeltaValid = function(timestampDeltaS) {
+ if (isNaN(timestampDeltaS)) {
+ return false;
+ }
+ if (timestampDeltaS <= Util.MIN_TIMESTEP) {
+ return false;
+ }
+ if (timestampDeltaS > Util.MAX_TIMESTEP) {
+ return false;
+ }
+ return true;
+};
+
+Util.getScreenWidth = function() {
+ return Math.max(window.screen.width, window.screen.height) *
+ window.devicePixelRatio;
+};
+
+Util.getScreenHeight = function() {
+ return Math.min(window.screen.width, window.screen.height) *
+ window.devicePixelRatio;
+};
+
+Util.requestFullscreen = function(element) {
+ if (Util.isWebViewAndroid()) {
+ return false;
+ }
+ if (element.requestFullscreen) {
+ element.requestFullscreen();
+ } else if (element.webkitRequestFullscreen) {
+ element.webkitRequestFullscreen();
+ } else if (element.mozRequestFullScreen) {
+ element.mozRequestFullScreen();
+ } else if (element.msRequestFullscreen) {
+ element.msRequestFullscreen();
+ } else {
+ return false;
+ }
+
+ return true;
+};
+
+Util.exitFullscreen = function() {
+ if (document.exitFullscreen) {
+ document.exitFullscreen();
+ } else if (document.webkitExitFullscreen) {
+ document.webkitExitFullscreen();
+ } else if (document.mozCancelFullScreen) {
+ document.mozCancelFullScreen();
+ } else if (document.msExitFullscreen) {
+ document.msExitFullscreen();
+ } else {
+ return false;
+ }
+
+ return true;
+};
+
+Util.getFullscreenElement = function() {
+ return document.fullscreenElement ||
+ document.webkitFullscreenElement ||
+ document.mozFullScreenElement ||
+ document.msFullscreenElement;
+};
+
+Util.linkProgram = function(gl, vertexSource, fragmentSource, attribLocationMap) {
+ // No error checking for brevity.
+ var vertexShader = gl.createShader(gl.VERTEX_SHADER);
+ gl.shaderSource(vertexShader, vertexSource);
+ gl.compileShader(vertexShader);
+
+ var fragmentShader = gl.createShader(gl.FRAGMENT_SHADER);
+ gl.shaderSource(fragmentShader, fragmentSource);
+ gl.compileShader(fragmentShader);
+
+ var program = gl.createProgram();
+ gl.attachShader(program, vertexShader);
+ gl.attachShader(program, fragmentShader);
+
+ for (var attribName in attribLocationMap)
+ gl.bindAttribLocation(program, attribLocationMap[attribName], attribName);
+
+ gl.linkProgram(program);
+
+ gl.deleteShader(vertexShader);
+ gl.deleteShader(fragmentShader);
+
+ return program;
+};
+
+Util.getProgramUniforms = function(gl, program) {
+ var uniforms = {};
+ var uniformCount = gl.getProgramParameter(program, gl.ACTIVE_UNIFORMS);
+ var uniformName = '';
+ for (var i = 0; i < uniformCount; i++) {
+ var uniformInfo = gl.getActiveUniform(program, i);
+ uniformName = uniformInfo.name.replace('[0]', '');
+ uniforms[uniformName] = gl.getUniformLocation(program, uniformName);
+ }
+ return uniforms;
+};
+
+Util.orthoMatrix = function (out, left, right, bottom, top, near, far) {
+ var lr = 1 / (left - right),
+ bt = 1 / (bottom - top),
+ nf = 1 / (near - far);
+ out[0] = -2 * lr;
+ out[1] = 0;
+ out[2] = 0;
+ out[3] = 0;
+ out[4] = 0;
+ out[5] = -2 * bt;
+ out[6] = 0;
+ out[7] = 0;
+ out[8] = 0;
+ out[9] = 0;
+ out[10] = 2 * nf;
+ out[11] = 0;
+ out[12] = (left + right) * lr;
+ out[13] = (top + bottom) * bt;
+ out[14] = (far + near) * nf;
+ out[15] = 1;
+ return out;
+};
+
+Util.copyArray = function (source, dest) {
+ for (var i = 0, n = source.length; i < n; i++) {
+ dest[i] = source[i];
+ }
+};
+
+Util.isMobile = function() {
+ var check = false;
+ (function(a){if(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4)))check = true})(navigator.userAgent||navigator.vendor||window.opera);
+ return check;
+};
+
+Util.extend = function(dest, src) {
+ for (var key in src) {
+ if (src.hasOwnProperty(key)) {
+ dest[key] = src[key];
+ }
+ }
+
+ return dest;
+}
+
+Util.safariCssSizeWorkaround = function(canvas) {
+ // TODO(smus): Remove this workaround when Safari for iOS is fixed.
+ // iOS only workaround (for https://bugs.webkit.org/show_bug.cgi?id=152556).
+ //
+ // "To the last I grapple with thee;
+ // from hell's heart I stab at thee;
+ // for hate's sake I spit my last breath at thee."
+ // -- Moby Dick, by Herman Melville
+ if (Util.isIOS()) {
+ var width = canvas.style.width;
+ var height = canvas.style.height;
+ canvas.style.width = (parseInt(width) + 1) + 'px';
+ canvas.style.height = (parseInt(height)) + 'px';
+ setTimeout(function() {
+ canvas.style.width = width;
+ canvas.style.height = height;
+ }, 100);
+ }
+
+ // Debug only.
+ window.Util = Util;
+ window.canvas = canvas;
+};
+
+Util.isDebug = function() {
+ return Util.getQueryParameter('debug');
+};
+
+Util.getQueryParameter = function(name) {
+ var name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
+ var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
+ results = regex.exec(location.search);
+ return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
+};
+
+Util.frameDataFromPose = (function() {
+ var piOver180 = Math.PI / 180.0;
+ var rad45 = Math.PI * 0.25;
+
+ // Borrowed from glMatrix.
+ function mat4_perspectiveFromFieldOfView(out, fov, near, far) {
+ var upTan = Math.tan(fov ? (fov.upDegrees * piOver180) : rad45),
+ downTan = Math.tan(fov ? (fov.downDegrees * piOver180) : rad45),
+ leftTan = Math.tan(fov ? (fov.leftDegrees * piOver180) : rad45),
+ rightTan = Math.tan(fov ? (fov.rightDegrees * piOver180) : rad45),
+ xScale = 2.0 / (leftTan + rightTan),
+ yScale = 2.0 / (upTan + downTan);
+
+ out[0] = xScale;
+ out[1] = 0.0;
+ out[2] = 0.0;
+ out[3] = 0.0;
+ out[4] = 0.0;
+ out[5] = yScale;
+ out[6] = 0.0;
+ out[7] = 0.0;
+ out[8] = -((leftTan - rightTan) * xScale * 0.5);
+ out[9] = ((upTan - downTan) * yScale * 0.5);
+ out[10] = far / (near - far);
+ out[11] = -1.0;
+ out[12] = 0.0;
+ out[13] = 0.0;
+ out[14] = (far * near) / (near - far);
+ out[15] = 0.0;
+ return out;
+ }
+
+ function mat4_fromRotationTranslation(out, q, v) {
+ // Quaternion math
+ var x = q[0], y = q[1], z = q[2], w = q[3],
+ x2 = x + x,
+ y2 = y + y,
+ z2 = z + z,
+
+ xx = x * x2,
+ xy = x * y2,
+ xz = x * z2,
+ yy = y * y2,
+ yz = y * z2,
+ zz = z * z2,
+ wx = w * x2,
+ wy = w * y2,
+ wz = w * z2;
+
+ out[0] = 1 - (yy + zz);
+ out[1] = xy + wz;
+ out[2] = xz - wy;
+ out[3] = 0;
+ out[4] = xy - wz;
+ out[5] = 1 - (xx + zz);
+ out[6] = yz + wx;
+ out[7] = 0;
+ out[8] = xz + wy;
+ out[9] = yz - wx;
+ out[10] = 1 - (xx + yy);
+ out[11] = 0;
+ out[12] = v[0];
+ out[13] = v[1];
+ out[14] = v[2];
+ out[15] = 1;
+
+ return out;
+ };
+
+ function mat4_translate(out, a, v) {
+ var x = v[0], y = v[1], z = v[2],
+ a00, a01, a02, a03,
+ a10, a11, a12, a13,
+ a20, a21, a22, a23;
+
+ if (a === out) {
+ out[12] = a[0] * x + a[4] * y + a[8] * z + a[12];
+ out[13] = a[1] * x + a[5] * y + a[9] * z + a[13];
+ out[14] = a[2] * x + a[6] * y + a[10] * z + a[14];
+ out[15] = a[3] * x + a[7] * y + a[11] * z + a[15];
+ } else {
+ a00 = a[0]; a01 = a[1]; a02 = a[2]; a03 = a[3];
+ a10 = a[4]; a11 = a[5]; a12 = a[6]; a13 = a[7];
+ a20 = a[8]; a21 = a[9]; a22 = a[10]; a23 = a[11];
+
+ out[0] = a00; out[1] = a01; out[2] = a02; out[3] = a03;
+ out[4] = a10; out[5] = a11; out[6] = a12; out[7] = a13;
+ out[8] = a20; out[9] = a21; out[10] = a22; out[11] = a23;
+
+ out[12] = a00 * x + a10 * y + a20 * z + a[12];
+ out[13] = a01 * x + a11 * y + a21 * z + a[13];
+ out[14] = a02 * x + a12 * y + a22 * z + a[14];
+ out[15] = a03 * x + a13 * y + a23 * z + a[15];
+ }
+
+ return out;
+ };
+
+ function mat4_invert(out, a) {
+ var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
+ a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
+ a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
+ a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15],
+
+ b00 = a00 * a11 - a01 * a10,
+ b01 = a00 * a12 - a02 * a10,
+ b02 = a00 * a13 - a03 * a10,
+ b03 = a01 * a12 - a02 * a11,
+ b04 = a01 * a13 - a03 * a11,
+ b05 = a02 * a13 - a03 * a12,
+ b06 = a20 * a31 - a21 * a30,
+ b07 = a20 * a32 - a22 * a30,
+ b08 = a20 * a33 - a23 * a30,
+ b09 = a21 * a32 - a22 * a31,
+ b10 = a21 * a33 - a23 * a31,
+ b11 = a22 * a33 - a23 * a32,
+
+ // Calculate the determinant
+ det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;
+
+ if (!det) {
+ return null;
+ }
+ det = 1.0 / det;
+
+ out[0] = (a11 * b11 - a12 * b10 + a13 * b09) * det;
+ out[1] = (a02 * b10 - a01 * b11 - a03 * b09) * det;
+ out[2] = (a31 * b05 - a32 * b04 + a33 * b03) * det;
+ out[3] = (a22 * b04 - a21 * b05 - a23 * b03) * det;
+ out[4] = (a12 * b08 - a10 * b11 - a13 * b07) * det;
+ out[5] = (a00 * b11 - a02 * b08 + a03 * b07) * det;
+ out[6] = (a32 * b02 - a30 * b05 - a33 * b01) * det;
+ out[7] = (a20 * b05 - a22 * b02 + a23 * b01) * det;
+ out[8] = (a10 * b10 - a11 * b08 + a13 * b06) * det;
+ out[9] = (a01 * b08 - a00 * b10 - a03 * b06) * det;
+ out[10] = (a30 * b04 - a31 * b02 + a33 * b00) * det;
+ out[11] = (a21 * b02 - a20 * b04 - a23 * b00) * det;
+ out[12] = (a11 * b07 - a10 * b09 - a12 * b06) * det;
+ out[13] = (a00 * b09 - a01 * b07 + a02 * b06) * det;
+ out[14] = (a31 * b01 - a30 * b03 - a32 * b00) * det;
+ out[15] = (a20 * b03 - a21 * b01 + a22 * b00) * det;
+
+ return out;
+ };
+
+ var defaultOrientation = new Float32Array([0, 0, 0, 1]);
+ var defaultPosition = new Float32Array([0, 0, 0]);
+
+ function updateEyeMatrices(projection, view, pose, parameters, vrDisplay) {
+ mat4_perspectiveFromFieldOfView(projection, parameters ? parameters.fieldOfView : null, vrDisplay.depthNear, vrDisplay.depthFar);
+
+ var orientation = pose.orientation || defaultOrientation;
+ var position = pose.position || defaultPosition;
+
+ mat4_fromRotationTranslation(view, orientation, position);
+ if (parameters)
+ mat4_translate(view, view, parameters.offset);
+ mat4_invert(view, view);
+ }
+
+ return function(frameData, pose, vrDisplay) {
+ if (!frameData || !pose)
+ return false;
+
+ frameData.pose = pose;
+ frameData.timestamp = pose.timestamp;
+
+ updateEyeMatrices(
+ frameData.leftProjectionMatrix, frameData.leftViewMatrix,
+ pose, vrDisplay.getEyeParameters("left"), vrDisplay);
+ updateEyeMatrices(
+ frameData.rightProjectionMatrix, frameData.rightViewMatrix,
+ pose, vrDisplay.getEyeParameters("right"), vrDisplay);
+
+ return true;
+ };
+})();
+
+Util.isInsideCrossDomainIFrame = function() {
+ var isFramed = (window.self !== window.top);
+ var refDomain = Util.getDomainFromUrl(document.referrer);
+ var thisDomain = Util.getDomainFromUrl(window.location.href);
+
+ return isFramed && (refDomain !== thisDomain);
+};
+
+// From http://stackoverflow.com/a/23945027.
+Util.getDomainFromUrl = function(url) {
+ var domain;
+ // Find & remove protocol (http, ftp, etc.) and get domain.
+ if (url.indexOf("://") > -1) {
+ domain = url.split('/')[2];
+ }
+ else {
+ domain = url.split('/')[0];
+ }
+
+ //find & remove port number
+ domain = domain.split(':')[0];
+
+ return domain;
+}
+
+module.exports = Util;
+
+},{}],68:[function(_dereq_,module,exports){
+/*
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var DeviceInfo = _dereq_('./device-info.js');
+var Util = _dereq_('./util.js');
+
+var DEFAULT_VIEWER = 'CardboardV1';
+var VIEWER_KEY = 'WEBVR_CARDBOARD_VIEWER';
+var CLASS_NAME = 'webvr-polyfill-viewer-selector';
+
+/**
+ * Creates a viewer selector with the options specified. Supports being shown
+ * and hidden. Generates events when viewer parameters change. Also supports
+ * saving the currently selected index in localStorage.
+ */
+function ViewerSelector() {
+ // Try to load the selected key from local storage.
+ try {
+ this.selectedKey = localStorage.getItem(VIEWER_KEY);
+ } catch (error) {
+ console.error('Failed to load viewer profile: %s', error);
+ }
+
+ //If none exists, or if localstorage is unavailable, use the default key.
+ if (!this.selectedKey) {
+ this.selectedKey = DEFAULT_VIEWER;
+ }
+
+ this.dialog = this.createDialog_(DeviceInfo.Viewers);
+ this.root = null;
+ this.onChangeCallbacks_ = [];
+}
+
+ViewerSelector.prototype.show = function(root) {
+ this.root = root;
+
+ root.appendChild(this.dialog);
+
+ // Ensure the currently selected item is checked.
+ var selected = this.dialog.querySelector('#' + this.selectedKey);
+ selected.checked = true;
+
+ // Show the UI.
+ this.dialog.style.display = 'block';
+};
+
+ViewerSelector.prototype.hide = function() {
+ if (this.root && this.root.contains(this.dialog)) {
+ this.root.removeChild(this.dialog);
+ }
+ this.dialog.style.display = 'none';
+};
+
+ViewerSelector.prototype.getCurrentViewer = function() {
+ return DeviceInfo.Viewers[this.selectedKey];
+};
+
+ViewerSelector.prototype.getSelectedKey_ = function() {
+ var input = this.dialog.querySelector('input[name=field]:checked');
+ if (input) {
+ return input.id;
+ }
+ return null;
+};
+
+ViewerSelector.prototype.onChange = function(cb) {
+ this.onChangeCallbacks_.push(cb);
+};
+
+ViewerSelector.prototype.fireOnChange_ = function(viewer) {
+ for (var i = 0; i < this.onChangeCallbacks_.length; i++) {
+ this.onChangeCallbacks_[i](viewer);
+ }
+};
+
+ViewerSelector.prototype.onSave_ = function() {
+ this.selectedKey = this.getSelectedKey_();
+ if (!this.selectedKey || !DeviceInfo.Viewers[this.selectedKey]) {
+ console.error('ViewerSelector.onSave_: this should never happen!');
+ return;
+ }
+
+ this.fireOnChange_(DeviceInfo.Viewers[this.selectedKey]);
+
+ // Attempt to save the viewer profile, but fails in private mode.
+ try {
+ localStorage.setItem(VIEWER_KEY, this.selectedKey);
+ } catch(error) {
+ console.error('Failed to save viewer profile: %s', error);
+ }
+ this.hide();
+};
+
+/**
+ * Creates the dialog.
+ */
+ViewerSelector.prototype.createDialog_ = function(options) {
+ var container = document.createElement('div');
+ container.classList.add(CLASS_NAME);
+ container.style.display = 'none';
+ // Create an overlay that dims the background, and which goes away when you
+ // tap it.
+ var overlay = document.createElement('div');
+ var s = overlay.style;
+ s.position = 'fixed';
+ s.left = 0;
+ s.top = 0;
+ s.width = '100%';
+ s.height = '100%';
+ s.background = 'rgba(0, 0, 0, 0.3)';
+ overlay.addEventListener('click', this.hide.bind(this));
+
+ var width = 280;
+ var dialog = document.createElement('div');
+ var s = dialog.style;
+ s.boxSizing = 'border-box';
+ s.position = 'fixed';
+ s.top = '24px';
+ s.left = '50%';
+ s.marginLeft = (-width/2) + 'px';
+ s.width = width + 'px';
+ s.padding = '24px';
+ s.overflow = 'hidden';
+ s.background = '#fafafa';
+ s.fontFamily = "'Roboto', sans-serif";
+ s.boxShadow = '0px 5px 20px #666';
+
+ dialog.appendChild(this.createH1_('Select your viewer'));
+ for (var id in options) {
+ dialog.appendChild(this.createChoice_(id, options[id].label));
+ }
+ dialog.appendChild(this.createButton_('Save', this.onSave_.bind(this)));
+
+ container.appendChild(overlay);
+ container.appendChild(dialog);
+
+ return container;
+};
+
+ViewerSelector.prototype.createH1_ = function(name) {
+ var h1 = document.createElement('h1');
+ var s = h1.style;
+ s.color = 'black';
+ s.fontSize = '20px';
+ s.fontWeight = 'bold';
+ s.marginTop = 0;
+ s.marginBottom = '24px';
+ h1.innerHTML = name;
+ return h1;
+};
+
+ViewerSelector.prototype.createChoice_ = function(id, name) {
+ /*
+ <div class="choice">
+ <input id="v1" type="radio" name="field" value="v1">
+ <label for="v1">Cardboard V1</label>
+ </div>
+ */
+ var div = document.createElement('div');
+ div.style.marginTop = '8px';
+ div.style.color = 'black';
+
+ var input = document.createElement('input');
+ input.style.fontSize = '30px';
+ input.setAttribute('id', id);
+ input.setAttribute('type', 'radio');
+ input.setAttribute('value', id);
+ input.setAttribute('name', 'field');
+
+ var label = document.createElement('label');
+ label.style.marginLeft = '4px';
+ label.setAttribute('for', id);
+ label.innerHTML = name;
+
+ div.appendChild(input);
+ div.appendChild(label);
+
+ return div;
+};
+
+ViewerSelector.prototype.createButton_ = function(label, onclick) {
+ var button = document.createElement('button');
+ button.innerHTML = label;
+ var s = button.style;
+ s.float = 'right';
+ s.textTransform = 'uppercase';
+ s.color = '#1094f7';
+ s.fontSize = '14px';
+ s.letterSpacing = 0;
+ s.border = 0;
+ s.background = 'none';
+ s.marginTop = '16px';
+
+ button.addEventListener('click', onclick);
+
+ return button;
+};
+
+module.exports = ViewerSelector;
+
+},{"./device-info.js":52,"./util.js":67}],69:[function(_dereq_,module,exports){
+/*
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var Util = _dereq_('./util.js');
+
+/**
+ * Android and iOS compatible wakelock implementation.
+ *
+ * Refactored thanks to dkovalev@.
+ */
+function AndroidWakeLock() {
+ var video = document.createElement('video');
+ video.setAttribute('loop', '');
+
+ function addSourceToVideo(element, type, dataURI) {
+ var source = document.createElement('source');
+ source.src = dataURI;
+ source.type = 'video/' + type;
+ element.appendChild(source);
+ }
+
+ addSourceToVideo(video,'webm', Util.base64('video/webm', 'GkXfo0AgQoaBAUL3gQFC8oEEQvOBCEKCQAR3ZWJtQoeBAkKFgQIYU4BnQI0VSalmQCgq17FAAw9CQE2AQAZ3aGFtbXlXQUAGd2hhbW15RIlACECPQAAAAAAAFlSua0AxrkAu14EBY8WBAZyBACK1nEADdW5khkAFVl9WUDglhohAA1ZQOIOBAeBABrCBCLqBCB9DtnVAIueBAKNAHIEAAIAwAQCdASoIAAgAAUAmJaQAA3AA/vz0AAA='));
+ addSourceToVideo(video, 'mp4', Util.base64('video/mp4', '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'));
+
+ this.request = function() {
+ if (video.paused) {
+ video.play();
+ }
+ };
+
+ this.release = function() {
+ video.pause();
+ };
+}
+
+function iOSWakeLock() {
+ var timer = null;
+
+ this.request = function() {
+ if (!timer) {
+ timer = setInterval(function() {
+ window.location = window.location;
+ setTimeout(window.stop, 0);
+ }, 30000);
+ }
+ }
+
+ this.release = function() {
+ if (timer) {
+ clearInterval(timer);
+ timer = null;
+ }
+ }
+}
+
+
+function getWakeLock() {
+ var userAgent = navigator.userAgent || navigator.vendor || window.opera;
+ if (userAgent.match(/iPhone/i) || userAgent.match(/iPod/i)) {
+ return iOSWakeLock;
+ } else {
+ return AndroidWakeLock;
+ }
+}
+
+module.exports = getWakeLock();
+},{"./util.js":67}],70:[function(_dereq_,module,exports){
+/*
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var Util = _dereq_('./util.js');
+var CardboardVRDisplay = _dereq_('./cardboard-vr-display.js');
+var MouseKeyboardVRDisplay = _dereq_('./mouse-keyboard-vr-display.js');
+// Uncomment to add positional tracking via webcam.
+//var WebcamPositionSensorVRDevice = require('./webcam-position-sensor-vr-device.js');
+var VRDisplay = _dereq_('./base.js').VRDisplay;
+var VRFrameData = _dereq_('./base.js').VRFrameData;
+var HMDVRDevice = _dereq_('./base.js').HMDVRDevice;
+var PositionSensorVRDevice = _dereq_('./base.js').PositionSensorVRDevice;
+var VRDisplayHMDDevice = _dereq_('./display-wrappers.js').VRDisplayHMDDevice;
+var VRDisplayPositionSensorDevice = _dereq_('./display-wrappers.js').VRDisplayPositionSensorDevice;
+var version = _dereq_('../package.json').version;
+
+function WebVRPolyfill() {
+ this.displays = [];
+ this.devices = []; // For deprecated objects
+ this.devicesPopulated = false;
+ this.nativeWebVRAvailable = this.isWebVRAvailable();
+ this.nativeLegacyWebVRAvailable = this.isDeprecatedWebVRAvailable();
+ this.nativeGetVRDisplaysFunc = this.nativeWebVRAvailable ?
+ navigator.getVRDisplays :
+ null;
+
+ if (!this.nativeLegacyWebVRAvailable && !this.nativeWebVRAvailable) {
+ this.enablePolyfill();
+ if (window.WebVRConfig.ENABLE_DEPRECATED_API) {
+ this.enableDeprecatedPolyfill();
+ }
+ }
+
+ // Put a shim in place to update the API to 1.1 if needed.
+ InstallWebVRSpecShim();
+}
+
+WebVRPolyfill.prototype.isWebVRAvailable = function() {
+ return ('getVRDisplays' in navigator);
+};
+
+WebVRPolyfill.prototype.isDeprecatedWebVRAvailable = function() {
+ return ('getVRDevices' in navigator) || ('mozGetVRDevices' in navigator);
+};
+
+WebVRPolyfill.prototype.connectDisplay = function(vrDisplay) {
+ vrDisplay.fireVRDisplayConnect_();
+ this.displays.push(vrDisplay);
+};
+
+WebVRPolyfill.prototype.populateDevices = function() {
+ if (this.devicesPopulated) {
+ return;
+ }
+
+ // Initialize our virtual VR devices.
+ var vrDisplay = null;
+
+ // Add a Cardboard VRDisplay on compatible mobile devices
+ if (this.isCardboardCompatible()) {
+ vrDisplay = new CardboardVRDisplay();
+
+ this.connectDisplay(vrDisplay);
+
+ // For backwards compatibility
+ if (window.WebVRConfig.ENABLE_DEPRECATED_API) {
+ this.devices.push(new VRDisplayHMDDevice(vrDisplay));
+ this.devices.push(new VRDisplayPositionSensorDevice(vrDisplay));
+ }
+ }
+
+ // Add a Mouse and Keyboard driven VRDisplay for desktops/laptops
+ if (!this.isMobile() && !window.WebVRConfig.MOUSE_KEYBOARD_CONTROLS_DISABLED) {
+ vrDisplay = new MouseKeyboardVRDisplay();
+ this.connectDisplay(vrDisplay);
+
+ // For backwards compatibility
+ if (window.WebVRConfig.ENABLE_DEPRECATED_API) {
+ this.devices.push(new VRDisplayHMDDevice(vrDisplay));
+ this.devices.push(new VRDisplayPositionSensorDevice(vrDisplay));
+ }
+ }
+
+ // Uncomment to add positional tracking via webcam.
+ //if (!this.isMobile() && window.WebVRConfig.ENABLE_DEPRECATED_API) {
+ // positionDevice = new WebcamPositionSensorVRDevice();
+ // this.devices.push(positionDevice);
+ //}
+
+ this.devicesPopulated = true;
+};
+
+WebVRPolyfill.prototype.enablePolyfill = function() {
+ // Provide navigator.getVRDisplays.
+ navigator.getVRDisplays = this.getVRDisplays.bind(this);
+
+ // Polyfill native VRDisplay.getFrameData
+ if (this.nativeWebVRAvailable && window.VRFrameData) {
+ var NativeVRFrameData = window.VRFrameData;
+ var nativeFrameData = new window.VRFrameData();
+ var nativeGetFrameData = window.VRDisplay.prototype.getFrameData;
+ window.VRFrameData = VRFrameData;
+
+ window.VRDisplay.prototype.getFrameData = function(frameData) {
+ if (frameData instanceof NativeVRFrameData) {
+ nativeGetFrameData.call(this, frameData);
+ return;
+ }
+
+ /*
+ Copy frame data from the native object into the polyfilled object.
+ */
+
+ nativeGetFrameData.call(this, nativeFrameData);
+ frameData.pose = nativeFrameData.pose;
+ Util.copyArray(nativeFrameData.leftProjectionMatrix, frameData.leftProjectionMatrix);
+ Util.copyArray(nativeFrameData.rightProjectionMatrix, frameData.rightProjectionMatrix);
+ Util.copyArray(nativeFrameData.leftViewMatrix, frameData.leftViewMatrix);
+ Util.copyArray(nativeFrameData.rightViewMatrix, frameData.rightViewMatrix);
+ //todo: copy
+ };
+ }
+
+ // Provide the `VRDisplay` object.
+ window.VRDisplay = VRDisplay;
+
+ // Provide the `navigator.vrEnabled` property.
+ if (navigator && typeof navigator.vrEnabled === 'undefined') {
+ var self = this;
+ Object.defineProperty(navigator, 'vrEnabled', {
+ get: function () {
+ return self.isCardboardCompatible() &&
+ (self.isFullScreenAvailable() || Util.isIOS());
+ }
+ });
+ }
+
+ if (!('VRFrameData' in window)) {
+ // Provide the VRFrameData object.
+ window.VRFrameData = VRFrameData;
+ }
+};
+
+WebVRPolyfill.prototype.enableDeprecatedPolyfill = function() {
+ // Provide navigator.getVRDevices.
+ navigator.getVRDevices = this.getVRDevices.bind(this);
+
+ // Provide the CardboardHMDVRDevice and PositionSensorVRDevice objects.
+ window.HMDVRDevice = HMDVRDevice;
+ window.PositionSensorVRDevice = PositionSensorVRDevice;
+};
+
+WebVRPolyfill.prototype.getVRDisplays = function() {
+ this.populateDevices();
+ var polyfillDisplays = this.displays;
+
+ if (!this.nativeWebVRAvailable) {
+ return Promise.resolve(polyfillDisplays);
+ }
+
+ // Set up a race condition if this browser has a bug where
+ // `navigator.getVRDisplays()` never resolves.
+ var timeoutId;
+ var vrDisplaysNative = this.nativeGetVRDisplaysFunc.call(navigator);
+ var timeoutPromise = new Promise(function(resolve) {
+ timeoutId = setTimeout(function() {
+ console.warn('Native WebVR implementation detected, but `getVRDisplays()` failed to resolve. Falling back to polyfill.');
+ resolve([]);
+ }, window.WebVRConfig.GET_VR_DISPLAYS_TIMEOUT);
+ });
+
+ return Util.race([
+ vrDisplaysNative,
+ timeoutPromise
+ ]).then(function(nativeDisplays) {
+ clearTimeout(timeoutId);
+ if (window.WebVRConfig.ALWAYS_APPEND_POLYFILL_DISPLAY) {
+ return nativeDisplays.concat(polyfillDisplays);
+ } else {
+ return nativeDisplays.length > 0 ? nativeDisplays : polyfillDisplays;
+ }
+ });
+};
+
+WebVRPolyfill.prototype.getVRDevices = function() {
+ console.warn('getVRDevices is deprecated. Please update your code to use getVRDisplays instead.');
+ var self = this;
+ return new Promise(function(resolve, reject) {
+ try {
+ if (!self.devicesPopulated) {
+ if (self.nativeWebVRAvailable) {
+ return navigator.getVRDisplays(function(displays) {
+ for (var i = 0; i < displays.length; ++i) {
+ self.devices.push(new VRDisplayHMDDevice(displays[i]));
+ self.devices.push(new VRDisplayPositionSensorDevice(displays[i]));
+ }
+ self.devicesPopulated = true;
+ resolve(self.devices);
+ }, reject);
+ }
+
+ if (self.nativeLegacyWebVRAvailable) {
+ return (navigator.getVRDDevices || navigator.mozGetVRDevices)(function(devices) {
+ for (var i = 0; i < devices.length; ++i) {
+ if (devices[i] instanceof HMDVRDevice) {
+ self.devices.push(devices[i]);
+ }
+ if (devices[i] instanceof PositionSensorVRDevice) {
+ self.devices.push(devices[i]);
+ }
+ }
+ self.devicesPopulated = true;
+ resolve(self.devices);
+ }, reject);
+ }
+ }
+
+ self.populateDevices();
+ resolve(self.devices);
+ } catch (e) {
+ reject(e);
+ }
+ });
+};
+
+WebVRPolyfill.prototype.NativeVRFrameData = window.VRFrameData;
+
+/**
+ * Determine if a device is mobile.
+ */
+WebVRPolyfill.prototype.isMobile = function() {
+ return /Android/i.test(navigator.userAgent) ||
+ /iPhone|iPad|iPod/i.test(navigator.userAgent);
+};
+
+WebVRPolyfill.prototype.isCardboardCompatible = function() {
+ // For now, support all iOS and Android devices.
+ // Also enable the WebVRConfig.FORCE_VR flag for debugging.
+ return this.isMobile() || window.WebVRConfig.FORCE_ENABLE_VR;
+};
+
+WebVRPolyfill.prototype.isFullScreenAvailable = function() {
+ return (document.fullscreenEnabled ||
+ document.mozFullScreenEnabled ||
+ document.webkitFullscreenEnabled ||
+ false);
+};
+
+// Installs a shim that updates a WebVR 1.0 spec implementation to WebVR 1.1
+function InstallWebVRSpecShim() {
+ if ('VRDisplay' in window && !('VRFrameData' in window)) {
+ // Provide the VRFrameData object.
+ window.VRFrameData = VRFrameData;
+
+ // A lot of Chrome builds don't have depthNear and depthFar, even
+ // though they're in the WebVR 1.0 spec. Patch them in if they're not present.
+ if(!('depthNear' in window.VRDisplay.prototype)) {
+ window.VRDisplay.prototype.depthNear = 0.01;
+ }
+
+ if(!('depthFar' in window.VRDisplay.prototype)) {
+ window.VRDisplay.prototype.depthFar = 10000.0;
+ }
+
+ window.VRDisplay.prototype.getFrameData = function(frameData) {
+ return Util.frameDataFromPose(frameData, this.getPose(), this);
+ }
+ }
+};
+
+WebVRPolyfill.InstallWebVRSpecShim = InstallWebVRSpecShim;
+WebVRPolyfill.version = version;
+
+module.exports.WebVRPolyfill = WebVRPolyfill;
+
+},{"../package.json":46,"./base.js":47,"./cardboard-vr-display.js":50,"./display-wrappers.js":53,"./mouse-keyboard-vr-display.js":59,"./util.js":67}],71:[function(_dereq_,module,exports){
+var newline = /\n/
+var newlineChar = '\n'
+var whitespace = /\s/
+
+module.exports = function(text, opt) {
+ var lines = module.exports.lines(text, opt)
+ return lines.map(function(line) {
+ return text.substring(line.start, line.end)
+ }).join('\n')
+}
+
+module.exports.lines = function wordwrap(text, opt) {
+ opt = opt||{}
+
+ //zero width results in nothing visible
+ if (opt.width === 0 && opt.mode !== 'nowrap')
+ return []
+
+ text = text||''
+ var width = typeof opt.width === 'number' ? opt.width : Number.MAX_VALUE
+ var start = Math.max(0, opt.start||0)
+ var end = typeof opt.end === 'number' ? opt.end : text.length
+ var mode = opt.mode
+
+ var measure = opt.measure || monospace
+ if (mode === 'pre')
+ return pre(measure, text, start, end, width)
+ else
+ return greedy(measure, text, start, end, width, mode)
+}
+
+function idxOf(text, chr, start, end) {
+ var idx = text.indexOf(chr, start)
+ if (idx === -1 || idx > end)
+ return end
+ return idx
+}
+
+function isWhitespace(chr) {
+ return whitespace.test(chr)
+}
+
+function pre(measure, text, start, end, width) {
+ var lines = []
+ var lineStart = start
+ for (var i=start; i<end && i<text.length; i++) {
+ var chr = text.charAt(i)
+ var isNewline = newline.test(chr)
+
+ //If we've reached a newline, then step down a line
+ //Or if we've reached the EOF
+ if (isNewline || i===end-1) {
+ var lineEnd = isNewline ? i : i+1
+ var measured = measure(text, lineStart, lineEnd, width)
+ lines.push(measured)
+
+ lineStart = i+1
+ }
+ }
+ return lines
+}
+
+function greedy(measure, text, start, end, width, mode) {
+ //A greedy word wrapper based on LibGDX algorithm
+ //https://github.com/libgdx/libgdx/blob/master/gdx/src/com/badlogic/gdx/graphics/g2d/BitmapFontCache.java
+ var lines = []
+
+ var testWidth = width
+ //if 'nowrap' is specified, we only wrap on newline chars
+ if (mode === 'nowrap')
+ testWidth = Number.MAX_VALUE
+
+ while (start < end && start < text.length) {
+ //get next newline position
+ var newLine = idxOf(text, newlineChar, start, end)
+
+ //eat whitespace at start of line
+ while (start < newLine) {
+ if (!isWhitespace( text.charAt(start) ))
+ break
+ start++
+ }
+
+ //determine visible # of glyphs for the available width
+ var measured = measure(text, start, newLine, testWidth)
+
+ var lineEnd = start + (measured.end-measured.start)
+ var nextStart = lineEnd + newlineChar.length
+
+ //if we had to cut the line before the next newline...
+ if (lineEnd < newLine) {
+ //find char to break on
+ while (lineEnd > start) {
+ if (isWhitespace(text.charAt(lineEnd)))
+ break
+ lineEnd--
+ }
+ if (lineEnd === start) {
+ if (nextStart > start + newlineChar.length) nextStart--
+ lineEnd = nextStart // If no characters to break, show all.
+ } else {
+ nextStart = lineEnd
+ //eat whitespace at end of line
+ while (lineEnd > start) {
+ if (!isWhitespace(text.charAt(lineEnd - newlineChar.length)))
+ break
+ lineEnd--
+ }
+ }
+ }
+ if (lineEnd >= start) {
+ var result = measure(text, start, lineEnd, testWidth)
+ lines.push(result)
+ }
+ start = nextStart
+ }
+ return lines
+}
+
+//determines the visible number of glyphs within a given width
+function monospace(text, start, end, width) {
+ var glyphs = Math.min(width, end-start)
+ return {
+ start: start,
+ end: start+glyphs
+ }
+}
+},{}],72:[function(_dereq_,module,exports){
+"use strict";
+var window = _dereq_("global/window")
+var isFunction = _dereq_("is-function")
+var parseHeaders = _dereq_("parse-headers")
+var xtend = _dereq_("xtend")
+
+module.exports = createXHR
+createXHR.XMLHttpRequest = window.XMLHttpRequest || noop
+createXHR.XDomainRequest = "withCredentials" in (new createXHR.XMLHttpRequest()) ? createXHR.XMLHttpRequest : window.XDomainRequest
+
+forEachArray(["get", "put", "post", "patch", "head", "delete"], function(method) {
+ createXHR[method === "delete" ? "del" : method] = function(uri, options, callback) {
+ options = initParams(uri, options, callback)
+ options.method = method.toUpperCase()
+ return _createXHR(options)
+ }
+})
+
+function forEachArray(array, iterator) {
+ for (var i = 0; i < array.length; i++) {
+ iterator(array[i])
+ }
+}
+
+function isEmpty(obj){
+ for(var i in obj){
+ if(obj.hasOwnProperty(i)) return false
+ }
+ return true
+}
+
+function initParams(uri, options, callback) {
+ var params = uri
+
+ if (isFunction(options)) {
+ callback = options
+ if (typeof uri === "string") {
+ params = {uri:uri}
+ }
+ } else {
+ params = xtend(options, {uri: uri})
+ }
+
+ params.callback = callback
+ return params
+}
+
+function createXHR(uri, options, callback) {
+ options = initParams(uri, options, callback)
+ return _createXHR(options)
+}
+
+function _createXHR(options) {
+ if(typeof options.callback === "undefined"){
+ throw new Error("callback argument missing")
+ }
+
+ var called = false
+ var callback = function cbOnce(err, response, body){
+ if(!called){
+ called = true
+ options.callback(err, response, body)
+ }
+ }
+
+ function readystatechange() {
+ if (xhr.readyState === 4) {
+ setTimeout(loadFunc, 0)
+ }
+ }
+
+ function getBody() {
+ // Chrome with requestType=blob throws errors arround when even testing access to responseText
+ var body = undefined
+
+ if (xhr.response) {
+ body = xhr.response
+ } else {
+ body = xhr.responseText || getXml(xhr)
+ }
+
+ if (isJson) {
+ try {
+ body = JSON.parse(body)
+ } catch (e) {}
+ }
+
+ return body
+ }
+
+ function errorFunc(evt) {
+ clearTimeout(timeoutTimer)
+ if(!(evt instanceof Error)){
+ evt = new Error("" + (evt || "Unknown XMLHttpRequest Error") )
+ }
+ evt.statusCode = 0
+ return callback(evt, failureResponse)
+ }
+
+ // will load the data & process the response in a special response object
+ function loadFunc() {
+ if (aborted) return
+ var status
+ clearTimeout(timeoutTimer)
+ if(options.useXDR && xhr.status===undefined) {
+ //IE8 CORS GET successful response doesn't have a status field, but body is fine
+ status = 200
+ } else {
+ status = (xhr.status === 1223 ? 204 : xhr.status)
+ }
+ var response = failureResponse
+ var err = null
+
+ if (status !== 0){
+ response = {
+ body: getBody(),
+ statusCode: status,
+ method: method,
+ headers: {},
+ url: uri,
+ rawRequest: xhr
+ }
+ if(xhr.getAllResponseHeaders){ //remember xhr can in fact be XDR for CORS in IE
+ response.headers = parseHeaders(xhr.getAllResponseHeaders())
+ }
+ } else {
+ err = new Error("Internal XMLHttpRequest Error")
+ }
+ return callback(err, response, response.body)
+ }
+
+ var xhr = options.xhr || null
+
+ if (!xhr) {
+ if (options.cors || options.useXDR) {
+ xhr = new createXHR.XDomainRequest()
+ }else{
+ xhr = new createXHR.XMLHttpRequest()
+ }
+ }
+
+ var key
+ var aborted
+ var uri = xhr.url = options.uri || options.url
+ var method = xhr.method = options.method || "GET"
+ var body = options.body || options.data
+ var headers = xhr.headers = options.headers || {}
+ var sync = !!options.sync
+ var isJson = false
+ var timeoutTimer
+ var failureResponse = {
+ body: undefined,
+ headers: {},
+ statusCode: 0,
+ method: method,
+ url: uri,
+ rawRequest: xhr
+ }
+
+ if ("json" in options && options.json !== false) {
+ isJson = true
+ headers["accept"] || headers["Accept"] || (headers["Accept"] = "application/json") //Don't override existing accept header declared by user
+ if (method !== "GET" && method !== "HEAD") {
+ headers["content-type"] || headers["Content-Type"] || (headers["Content-Type"] = "application/json") //Don't override existing accept header declared by user
+ body = JSON.stringify(options.json === true ? body : options.json)
+ }
+ }
+
+ xhr.onreadystatechange = readystatechange
+ xhr.onload = loadFunc
+ xhr.onerror = errorFunc
+ // IE9 must have onprogress be set to a unique function.
+ xhr.onprogress = function () {
+ // IE must die
+ }
+ xhr.onabort = function(){
+ aborted = true;
+ }
+ xhr.ontimeout = errorFunc
+ xhr.open(method, uri, !sync, options.username, options.password)
+ //has to be after open
+ if(!sync) {
+ xhr.withCredentials = !!options.withCredentials
+ }
+ // Cannot set timeout with sync request
+ // not setting timeout on the xhr object, because of old webkits etc. not handling that correctly
+ // both npm's request and jquery 1.x use this kind of timeout, so this is being consistent
+ if (!sync && options.timeout > 0 ) {
+ timeoutTimer = setTimeout(function(){
+ if (aborted) return
+ aborted = true//IE9 may still call readystatechange
+ xhr.abort("timeout")
+ var e = new Error("XMLHttpRequest timeout")
+ e.code = "ETIMEDOUT"
+ errorFunc(e)
+ }, options.timeout )
+ }
+
+ if (xhr.setRequestHeader) {
+ for(key in headers){
+ if(headers.hasOwnProperty(key)){
+ xhr.setRequestHeader(key, headers[key])
+ }
+ }
+ } else if (options.headers && !isEmpty(options.headers)) {
+ throw new Error("Headers cannot be set on an XDomainRequest object")
+ }
+
+ if ("responseType" in options) {
+ xhr.responseType = options.responseType
+ }
+
+ if ("beforeSend" in options &&
+ typeof options.beforeSend === "function"
+ ) {
+ options.beforeSend(xhr)
+ }
+
+ // Microsoft Edge browser sends "undefined" when send is called with undefined value.
+ // XMLHttpRequest spec says to pass null as body to indicate no body
+ // See https://github.com/naugtur/xhr/issues/100.
+ xhr.send(body || null)
+
+ return xhr
+
+
+}
+
+function getXml(xhr) {
+ if (xhr.responseType === "document") {
+ return xhr.responseXML
+ }
+ var firefoxBugTakenEffect = xhr.responseXML && xhr.responseXML.documentElement.nodeName === "parsererror"
+ if (xhr.responseType === "" && !firefoxBugTakenEffect) {
+ return xhr.responseXML
+ }
+
+ return null
+}
+
+function noop() {}
+
+},{"global/window":17,"is-function":21,"parse-headers":31,"xtend":74}],73:[function(_dereq_,module,exports){
+module.exports = (function xmlparser() {
+ //common browsers
+ if (typeof self.DOMParser !== 'undefined') {
+ return function(str) {
+ var parser = new self.DOMParser()
+ return parser.parseFromString(str, 'application/xml')
+ }
+ }
+
+ //IE8 fallback
+ if (typeof self.ActiveXObject !== 'undefined'
+ && new self.ActiveXObject('Microsoft.XMLDOM')) {
+ return function(str) {
+ var xmlDoc = new self.ActiveXObject("Microsoft.XMLDOM")
+ xmlDoc.async = "false"
+ xmlDoc.loadXML(str)
+ return xmlDoc
+ }
+ }
+
+ //last resort fallback
+ return function(str) {
+ var div = document.createElement('div')
+ div.innerHTML = str
+ return div
+ }
+})()
+
+},{}],74:[function(_dereq_,module,exports){
+module.exports = extend
+
+var hasOwnProperty = Object.prototype.hasOwnProperty;
+
+function extend() {
+ var target = {}
+
+ for (var i = 0; i < arguments.length; i++) {
+ var source = arguments[i]
+
+ for (var key in source) {
+ if (hasOwnProperty.call(source, key)) {
+ target[key] = source[key]
+ }
+ }
+ }
+
+ return target
+}
+
+},{}],75:[function(_dereq_,module,exports){
+module.exports={
+ "name": "aframe",
+ "version": "0.7.0",
+ "description": "A web framework for building virtual reality experiences.",
+ "homepage": "https://aframe.io/",
+ "main": "dist/aframe-master.js",
+ "scripts": {
+ "browserify": "browserify src/index.js -s 'AFRAME' -p browserify-derequire",
+ "build": "shx mkdir -p build/ && npm run browserify -- --debug -t [envify --INSPECTOR_VERSION dev] -o build/aframe.js",
+ "codecov": "codecov",
+ "dev": "npm run build && cross-env INSPECTOR_VERSION=dev node ./scripts/budo -t envify",
+ "dist": "node scripts/updateVersionLog.js && npm run dist:min && npm run dist:max",
+ "dist:max": "npm run browserify -s -- --debug | exorcist dist/aframe-master.js.map > dist/aframe-master.js",
+ "dist:min": "npm run browserify -s -- --debug -p [minifyify --map aframe-master.min.js.map --output dist/aframe-master.min.js.map] -o dist/aframe-master.min.js",
+ "docs": "markserv --dir docs --port 9001",
+ "preghpages": "node ./scripts/preghpages.js",
+ "ghpages": "ghpages -p gh-pages/",
+ "lint": "semistandard -v | snazzy",
+ "lint:fix": "semistandard --fix",
+ "precommit": "npm run lint",
+ "prepush": "node scripts/testOnlyCheck.js",
+ "prerelease": "node scripts/release.js 0.6.1 0.7.0",
+ "start": "npm run dev",
+ "test": "karma start ./tests/karma.conf.js",
+ "test:docs": "node scripts/docsLint.js",
+ "test:firefox": "npm test -- --browsers Firefox",
+ "test:chrome": "npm test -- --browsers Chrome",
+ "test:node": "mocha --ui tdd tests/node"
+ },
+ "repository": "aframevr/aframe",
+ "license": "MIT",
+ "dependencies": {
+ "@tweenjs/tween.js": "^16.8.0",
+ "browserify-css": "^0.8.2",
+ "debug": "ngokevin/debug#noTimestamp",
+ "deep-assign": "^2.0.0",
+ "document-register-element": "dmarcos/document-register-element#8ccc532b7",
+ "envify": "^3.4.1",
+ "load-bmfont": "^1.2.3",
+ "object-assign": "^4.0.1",
+ "present": "0.0.6",
+ "promise-polyfill": "^3.1.0",
+ "style-attr": "^1.0.2",
+ "three": "0.89.0",
+ "three-bmfont-text": "^2.1.0",
+ "webvr-polyfill": "^0.9.40"
+ },
+ "devDependencies": {
+ "browserify": "^13.1.0",
+ "browserify-derequire": "^0.9.4",
+ "browserify-istanbul": "^2.0.0",
+ "budo": "^9.2.0",
+ "chai": "^3.5.0",
+ "chai-shallow-deep-equal": "^1.4.0",
+ "chalk": "^1.1.3",
+ "codecov": "^1.0.1",
+ "cross-env": "^5.0.1",
+ "exorcist": "^0.4.0",
+ "ghpages": "0.0.8",
+ "git-rev": "^0.2.1",
+ "glob": "^7.1.1",
+ "husky": "^0.11.7",
+ "istanbul": "^0.4.5",
+ "jsdom": "^9.11.0",
+ "karma": "1.4.1",
+ "karma-browserify": "^5.1.0",
+ "karma-chai-shallow-deep-equal": "0.0.4",
+ "karma-chrome-launcher": "^2.0.0",
+ "karma-coverage": "^1.1.1",
+ "karma-env-preprocessor": "^0.1.1",
+ "karma-firefox-launcher": "^1.0.0",
+ "karma-mocha": "^1.1.1",
+ "karma-mocha-reporter": "^2.1.0",
+ "karma-sinon-chai": "1.2.4",
+ "lolex": "^1.5.1",
+ "markserv": "github:sukima/markserv#feature/fix-broken-websoketio-link",
+ "minifyify": "^7.3.3",
+ "mocha": "^3.0.2",
+ "mozilla-download": "^1.1.1",
+ "replace-in-file": "^2.5.3",
+ "semistandard": "^9.0.0",
+ "shelljs": "^0.7.7",
+ "shx": "^0.2.2",
+ "sinon": "^1.17.5",
+ "sinon-chai": "2.8.0",
+ "snazzy": "^5.0.0",
+ "too-wordy": "ngokevin/too-wordy",
+ "uglifyjs": "^2.4.10",
+ "write-good": "^0.9.1"
+ },
+ "link": true,
+ "browserify": {
+ "transform": [
+ "browserify-css",
+ "envify"
+ ]
+ },
+ "semistandard": {
+ "ignore": [
+ "build/**",
+ "dist/**",
+ "examples/**/shaders/*.js",
+ "**/vendor/**"
+ ]
+ },
+ "keywords": [
+ "3d",
+ "aframe",
+ "cardboard",
+ "components",
+ "oculus",
+ "three",
+ "three.js",
+ "rift",
+ "vive",
+ "vr",
+ "web-components",
+ "webvr"
+ ],
+ "browserify-css": {
+ "minify": true
+ },
+ "engines": {
+ "node": ">= 4.6.0",
+ "npm": "^2.15.9"
+ }
+}
+
+},{}],76:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../core/component').registerComponent;
+var THREE = _dereq_('../lib/three');
+
+/**
+ * Camera component.
+ * Pairs along with camera system to handle tracking the active camera.
+ */
+module.exports.Component = registerComponent('camera', {
+ schema: {
+ active: {default: true},
+ far: {default: 10000},
+ fov: {default: 80, min: 0},
+ near: {default: 0.005, min: 0},
+ spectator: {default: false},
+ zoom: {default: 1, min: 0}
+ },
+
+ /**
+ * Initialize three.js camera and add it to the entity.
+ * Add reference from scene to this entity as the camera.
+ */
+ init: function () {
+ var camera;
+ var el = this.el;
+
+ // Create camera.
+ camera = this.camera = new THREE.PerspectiveCamera();
+ el.setObject3D('camera', camera);
+ },
+
+ /**
+ * Update three.js camera.
+ */
+ update: function (oldData) {
+ var data = this.data;
+ var camera = this.camera;
+
+ // Update properties.
+ camera.aspect = data.aspect || (window.innerWidth / window.innerHeight);
+ camera.far = data.far;
+ camera.fov = data.fov;
+ camera.near = data.near;
+ camera.zoom = data.zoom;
+ camera.updateProjectionMatrix();
+
+ this.updateActiveCamera(oldData);
+ this.updateSpectatorCamera(oldData);
+ },
+
+ updateActiveCamera: function (oldData) {
+ var data = this.data;
+ var el = this.el;
+ var system = this.system;
+ // Active property did not change.
+ if (oldData && oldData.active === data.active || data.spectator) { return; }
+
+ // If `active` property changes, or first update, handle active camera with system.
+ if (data.active && system.activeCameraEl !== el) {
+ // Camera enabled. Set camera to this camera.
+ system.setActiveCamera(el);
+ } else if (!data.active && system.activeCameraEl === el) {
+ // Camera disabled. Set camera to another camera.
+ system.disableActiveCamera();
+ }
+ },
+
+ updateSpectatorCamera: function (oldData) {
+ var data = this.data;
+ var el = this.el;
+ var system = this.system;
+ // spectator property did not change.
+ if (oldData && oldData.spectator === data.spectator) { return; }
+
+ // If `spectator` property changes, or first update, handle spectator camera with system.
+ if (data.spectator && system.spectatorCameraEl !== el) {
+ // Camera enabled. Set camera to this camera.
+ system.setSpectatorCamera(el);
+ } else if (!data.spectator && system.spectatorCameraEl === el) {
+ // Camera disabled. Set camera to another camera.
+ system.disableSpectatorCamera();
+ }
+ },
+
+ /**
+ * Remove camera on remove (callback).
+ */
+ remove: function () {
+ this.el.removeObject3D('camera');
+ }
+});
+
+},{"../core/component":125,"../lib/three":173}],77:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../core/component').registerComponent;
+var THREE = _dereq_('../lib/three');
+
+module.exports.Component = registerComponent('collada-model', {
+ schema: {type: 'asset'},
+
+ init: function () {
+ this.model = null;
+ this.loader = new THREE.ColladaLoader();
+ this.loader.options.convertUpAxis = true;
+ },
+
+ update: function () {
+ var self = this;
+ var el = this.el;
+ var src = this.data;
+
+ if (!src) { return; }
+
+ this.remove();
+
+ this.loader.load(src, function (colladaModel) {
+ self.model = colladaModel.scene;
+ el.setObject3D('mesh', self.model);
+ el.emit('model-loaded', {format: 'collada', model: self.model});
+ });
+ },
+
+ remove: function () {
+ if (!this.model) { return; }
+ this.el.removeObject3D('mesh');
+ }
+});
+
+},{"../core/component":125,"../lib/three":173}],78:[function(_dereq_,module,exports){
+/* global THREE */
+var registerComponent = _dereq_('../core/component').registerComponent;
+var utils = _dereq_('../utils/');
+
+var bind = utils.bind;
+
+var EVENTS = {
+ CLICK: 'click',
+ FUSING: 'fusing',
+ MOUSEENTER: 'mouseenter',
+ MOUSEDOWN: 'mousedown',
+ MOUSELEAVE: 'mouseleave',
+ MOUSEUP: 'mouseup'
+};
+
+var STATES = {
+ FUSING: 'cursor-fusing',
+ HOVERING: 'cursor-hovering',
+ HOVERED: 'cursor-hovered'
+};
+
+var CANVAS_EVENTS = {
+ DOWN: ['mousedown', 'touchstart'],
+ UP: ['mouseup', 'touchend']
+};
+
+/**
+ * Cursor component. Applies the raycaster component specifically for starting the raycaster
+ * from the camera and pointing from camera's facing direction, and then only returning the
+ * closest intersection. Cursor can be fine-tuned by setting raycaster properties.
+ *
+ * @member {object} fuseTimeout - Timeout to trigger fuse-click.
+ * @member {Element} cursorDownEl - Entity that was last mousedowned during current click.
+ * @member {object} intersection - Attributes of the current intersection event, including
+ * 3D- and 2D-space coordinates. See: http://threejs.org/docs/api/core/Raycaster.html
+ * @member {Element} intersectedEl - Currently-intersected entity. Used to keep track to
+ * emit events when unintersecting.
+ */
+module.exports.Component = registerComponent('cursor', {
+ dependencies: ['raycaster'],
+
+ schema: {
+ downEvents: {default: []},
+ fuse: {default: utils.device.isMobile()},
+ fuseTimeout: {default: 1500, min: 0},
+ upEvents: {default: []},
+ rayOrigin: {default: 'entity', oneOf: ['mouse', 'entity']}
+ },
+
+ init: function () {
+ var self = this;
+
+ this.fuseTimeout = undefined;
+ this.cursorDownEl = null;
+ this.intersection = null;
+ this.intersectedEl = null;
+ this.canvasBounds = document.body.getBoundingClientRect();
+
+ // Debounce.
+ this.updateCanvasBounds = utils.debounce(function updateCanvasBounds () {
+ self.canvasBounds = self.el.sceneEl.canvas.getBoundingClientRect();
+ }, 200);
+
+ this.eventDetail = {};
+ this.intersectedEventDetail = {cursorEl: this.el};
+
+ // Bind methods.
+ this.onCursorDown = bind(this.onCursorDown, this);
+ this.onCursorUp = bind(this.onCursorUp, this);
+ this.onIntersection = bind(this.onIntersection, this);
+ this.onIntersectionCleared = bind(this.onIntersectionCleared, this);
+ this.onMouseMove = bind(this.onMouseMove, this);
+ },
+
+ update: function (oldData) {
+ if (this.data.rayOrigin === oldData.rayOrigin) { return; }
+ this.updateMouseEventListeners();
+ },
+
+ play: function () {
+ this.addEventListeners();
+ },
+
+ pause: function () {
+ this.removeEventListeners();
+ },
+
+ remove: function () {
+ var el = this.el;
+ el.removeState(STATES.HOVERING);
+ el.removeState(STATES.FUSING);
+ clearTimeout(this.fuseTimeout);
+ if (this.intersectedEl) { this.intersectedEl.removeState(STATES.HOVERED); }
+ this.removeEventListeners();
+ },
+
+ addEventListeners: function () {
+ var canvas;
+ var data = this.data;
+ var el = this.el;
+ var self = this;
+
+ function addCanvasListeners () {
+ canvas = el.sceneEl.canvas;
+ if (data.downEvents.length || data.upEvents.length) { return; }
+ CANVAS_EVENTS.DOWN.forEach(function (downEvent) {
+ canvas.addEventListener(downEvent, self.onCursorDown);
+ });
+ CANVAS_EVENTS.UP.forEach(function (upEvent) {
+ canvas.addEventListener(upEvent, self.onCursorUp);
+ });
+ }
+
+ canvas = el.sceneEl.canvas;
+ if (canvas) {
+ addCanvasListeners();
+ } else {
+ el.sceneEl.addEventListener('render-target-loaded', addCanvasListeners);
+ }
+
+ data.downEvents.forEach(function (downEvent) {
+ el.addEventListener(downEvent, self.onCursorDown);
+ });
+ data.upEvents.forEach(function (upEvent) {
+ el.addEventListener(upEvent, self.onCursorUp);
+ });
+ el.addEventListener('raycaster-intersection', this.onIntersection);
+ el.addEventListener('raycaster-intersection-cleared', this.onIntersectionCleared);
+
+ window.addEventListener('resize', this.updateCanvasBounds);
+ },
+
+ removeEventListeners: function () {
+ var canvas;
+ var data = this.data;
+ var el = this.el;
+ var self = this;
+
+ canvas = el.sceneEl.canvas;
+ if (canvas && !data.downEvents.length && !data.upEvents.length) {
+ CANVAS_EVENTS.DOWN.forEach(function (downEvent) {
+ canvas.removeEventListener(downEvent, self.onCursorDown);
+ });
+ CANVAS_EVENTS.UP.forEach(function (upEvent) {
+ canvas.removeEventListener(upEvent, self.onCursorUp);
+ });
+ }
+
+ data.downEvents.forEach(function (downEvent) {
+ el.removeEventListener(downEvent, self.onCursorDown);
+ });
+ data.upEvents.forEach(function (upEvent) {
+ el.removeEventListener(upEvent, self.onCursorUp);
+ });
+ el.removeEventListener('raycaster-intersection', this.onIntersection);
+ el.removeEventListener('raycaster-intersection-cleared', this.onIntersectionCleared);
+ canvas.removeEventListener('mousemove', this.onMouseMove);
+ canvas.removeEventListener('touchstart', this.onMouseMove);
+ canvas.removeEventListener('touchmove', this.onMouseMove);
+ canvas.removeEventListener('resize', this.updateCanvasBounds);
+ },
+
+ updateMouseEventListeners: function () {
+ var canvas;
+ var el = this.el;
+
+ canvas = el.sceneEl.canvas;
+ canvas.removeEventListener('mousemove', this.onMouseMove);
+ canvas.removeEventListener('touchmove', this.onMouseMove);
+ el.setAttribute('raycaster', 'useWorldCoordinates', false);
+ if (this.data.rayOrigin !== 'mouse') { return; }
+ canvas.addEventListener('mousemove', this.onMouseMove, false);
+ canvas.addEventListener('touchmove', this.onMouseMove, false);
+ el.setAttribute('raycaster', 'useWorldCoordinates', true);
+ this.updateCanvasBounds();
+ },
+
+ onMouseMove: (function () {
+ var direction = new THREE.Vector3();
+ var mouse = new THREE.Vector2();
+ var origin = new THREE.Vector3();
+ var rayCasterConfig = {origin: origin, direction: direction};
+
+ return function (evt) {
+ var bounds = this.canvasBounds;
+ var camera = this.el.sceneEl.camera;
+ var left;
+ var point;
+ var top;
+
+ camera.parent.updateMatrixWorld();
+ camera.updateMatrixWorld();
+
+ // Calculate mouse position based on the canvas element
+ if (evt.type === 'touchmove' || evt.type === 'touchstart') {
+ // Track the first touch for simplicity.
+ point = evt.touches.item(0);
+ } else {
+ point = evt;
+ }
+
+ left = point.clientX - bounds.left;
+ top = point.clientY - bounds.top;
+ mouse.x = (left / bounds.width) * 2 - 1;
+ mouse.y = -(top / bounds.height) * 2 + 1;
+
+ origin.setFromMatrixPosition(camera.matrixWorld);
+ direction.set(mouse.x, mouse.y, 0.5).unproject(camera).sub(origin).normalize();
+ this.el.setAttribute('raycaster', rayCasterConfig);
+ if (evt.type === 'touchmove') { evt.preventDefault(); }
+ };
+ })(),
+
+ /**
+ * Trigger mousedown and keep track of the mousedowned entity.
+ */
+ onCursorDown: function (evt) {
+ // Raycast again for touch.
+ if (this.data.rayOrigin === 'mouse' && evt.type === 'touchstart') {
+ this.onMouseMove(evt);
+ this.el.components.raycaster.checkIntersections();
+ evt.preventDefault();
+ }
+
+ this.twoWayEmit(EVENTS.MOUSEDOWN);
+ this.cursorDownEl = this.intersectedEl;
+ },
+
+ /**
+ * Trigger mouseup if:
+ * - Not fusing (mobile has no mouse).
+ * - Currently intersecting an entity.
+ * - Currently-intersected entity is the same as the one when mousedown was triggered,
+ * in case user mousedowned one entity, dragged to another, and mouseupped.
+ */
+ onCursorUp: function (evt) {
+ this.twoWayEmit(EVENTS.MOUSEUP);
+
+ // If intersected entity has changed since the cursorDown, still emit mouseUp on the
+ // previously cursorUp entity.
+ if (this.cursorDownEl && this.cursorDownEl !== this.intersectedEl) {
+ this.intersectedEventDetail.intersection = null;
+ this.cursorDownEl.emit(EVENTS.MOUSEUP, this.intersectedEventDetail);
+ }
+
+ if (!this.data.fuse && this.intersectedEl && this.cursorDownEl === this.intersectedEl) {
+ this.twoWayEmit(EVENTS.CLICK);
+ }
+
+ this.cursorDownEl = null;
+ if (evt.type === 'touchend') { evt.preventDefault(); }
+ },
+
+ /**
+ * Handle intersection.
+ */
+ onIntersection: function (evt) {
+ var cursorEl = this.el;
+ var index;
+ var intersectedEl;
+ var intersection;
+
+ // Select closest object, excluding the cursor.
+ index = evt.detail.els[0] === cursorEl ? 1 : 0;
+ intersection = evt.detail.intersections[index];
+ intersectedEl = evt.detail.els[index];
+
+ // If cursor is the only intersected object, ignore the event.
+ if (!intersectedEl) { return; }
+
+ // Already intersecting this entity.
+ if (this.intersectedEl === intersectedEl) {
+ this.intersection = intersection;
+ return;
+ }
+
+ // Unset current intersection.
+ if (this.intersectedEl) { this.clearCurrentIntersection(); }
+
+ this.setIntersection(intersectedEl, intersection);
+ },
+
+ /**
+ * Handle intersection cleared.
+ */
+ onIntersectionCleared: function (evt) {
+ var clearedEls = evt.detail.clearedEls;
+
+ // Check if the current intersection has ended
+ if (clearedEls.indexOf(this.intersectedEl) === -1) { return; }
+ this.clearCurrentIntersection();
+ },
+
+ setIntersection: function (intersectedEl, intersection) {
+ var cursorEl = this.el;
+ var data = this.data;
+ var self = this;
+ // Set new intersection.
+ this.intersection = intersection;
+ this.intersectedEl = intersectedEl;
+
+ // Hovering.
+ cursorEl.addState(STATES.HOVERING);
+ intersectedEl.addState(STATES.HOVERED);
+ this.twoWayEmit(EVENTS.MOUSEENTER);
+
+ // Begin fuse if necessary.
+ if (data.fuseTimeout === 0 || !data.fuse) { return; }
+ cursorEl.addState(STATES.FUSING);
+ this.twoWayEmit(EVENTS.FUSING);
+ this.fuseTimeout = setTimeout(function fuse () {
+ cursorEl.removeState(STATES.FUSING);
+ self.twoWayEmit(EVENTS.CLICK);
+ }, data.fuseTimeout);
+ },
+
+ clearCurrentIntersection: function () {
+ var cursorEl = this.el;
+ var index;
+ var intersection;
+ var intersections;
+
+ // No longer hovering (or fusing).
+ this.intersectedEl.removeState(STATES.HOVERED);
+ cursorEl.removeState(STATES.HOVERING);
+ cursorEl.removeState(STATES.FUSING);
+ this.twoWayEmit(EVENTS.MOUSELEAVE);
+
+ // Unset intersected entity (after emitting the event).
+ this.intersection = null;
+ this.intersectedEl = null;
+
+ // Clear fuseTimeout.
+ clearTimeout(this.fuseTimeout);
+
+ // Set intersection to another raycasted element if any.
+ intersections = this.el.components.raycaster.intersections;
+ if (intersections.length === 0) { return; }
+ // exclude the cursor.
+ index = intersections[0].object.el === cursorEl ? 1 : 0;
+ intersection = intersections[index];
+ if (!intersection) { return; }
+ this.setIntersection(intersection.object.el, intersection);
+ },
+
+ /**
+ * Helper to emit on both the cursor and the intersected entity (if exists).
+ */
+ twoWayEmit: function (evtName) {
+ var el = this.el;
+ var intersectedEl = this.intersectedEl;
+ var intersection = this.intersection;
+
+ this.eventDetail.intersectedEl = intersectedEl;
+ this.eventDetail.intersection = intersection;
+ el.emit(evtName, this.eventDetail);
+
+ if (!intersectedEl) { return; }
+
+ this.intersectedEventDetail.intersection = intersection;
+ intersectedEl.emit(evtName, this.intersectedEventDetail);
+ }
+});
+
+},{"../core/component":125,"../utils/":195}],79:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../core/component').registerComponent;
+var bind = _dereq_('../utils/bind');
+var checkControllerPresentAndSetup = _dereq_('../utils/tracked-controls').checkControllerPresentAndSetup;
+var trackedControlsUtils = _dereq_('../utils/tracked-controls');
+var emitIfAxesChanged = trackedControlsUtils.emitIfAxesChanged;
+var onButtonEvent = trackedControlsUtils.onButtonEvent;
+
+var DAYDREAM_CONTROLLER_MODEL_BASE_URL = 'https://cdn.aframe.io/controllers/google/';
+var DAYDREAM_CONTROLLER_MODEL_OBJ_URL = DAYDREAM_CONTROLLER_MODEL_BASE_URL + 'vr_controller_daydream.obj';
+var DAYDREAM_CONTROLLER_MODEL_OBJ_MTL = DAYDREAM_CONTROLLER_MODEL_BASE_URL + 'vr_controller_daydream.mtl';
+
+var GAMEPAD_ID_PREFIX = 'Daydream Controller';
+
+/**
+ * Daydream controls.
+ * Interface with Daydream controller and map Gamepad events to
+ * controller buttons: trackpad, menu, system
+ * Load a controller model and highlight the pressed buttons.
+ */
+module.exports.Component = registerComponent('daydream-controls', {
+ schema: {
+ hand: {default: ''}, // This informs the degenerate arm model.
+ buttonColor: {type: 'color', default: '#000000'},
+ buttonTouchedColor: {type: 'color', default: '#777777'},
+ buttonHighlightColor: {type: 'color', default: '#FFFFFF'},
+ model: {default: true},
+ rotationOffset: {default: 0},
+ armModel: {default: true}
+ },
+
+ /**
+ * Button IDs:
+ * 0 - trackpad
+ * 1 - menu (never dispatched on this layer)
+ * 2 - system (never dispatched on this layer)
+ */
+ mapping: {
+ axes: {trackpad: [0, 1]},
+ buttons: ['trackpad', 'menu', 'system']
+ },
+
+ bindMethods: function () {
+ this.onModelLoaded = bind(this.onModelLoaded, this);
+ this.onControllersUpdate = bind(this.onControllersUpdate, this);
+ this.checkIfControllerPresent = bind(this.checkIfControllerPresent, this);
+ this.removeControllersUpdateListener = bind(this.removeControllersUpdateListener, this);
+ this.onAxisMoved = bind(this.onAxisMoved, this);
+ },
+
+ init: function () {
+ var self = this;
+ this.animationActive = 'pointing';
+ this.onButtonChanged = bind(this.onButtonChanged, this);
+ this.onButtonDown = function (evt) { onButtonEvent(evt.detail.id, 'down', self); };
+ this.onButtonUp = function (evt) { onButtonEvent(evt.detail.id, 'up', self); };
+ this.onButtonTouchStart = function (evt) { onButtonEvent(evt.detail.id, 'touchstart', self); };
+ this.onButtonTouchEnd = function (evt) { onButtonEvent(evt.detail.id, 'touchend', self); };
+ this.onAxisMoved = bind(this.onAxisMoved, this);
+ this.controllerPresent = false;
+ this.lastControllerCheck = 0;
+ this.bindMethods();
+ this.checkControllerPresentAndSetup = checkControllerPresentAndSetup; // To allow mock.
+ this.emitIfAxesChanged = emitIfAxesChanged; // To allow mock.
+ },
+
+ addEventListeners: function () {
+ var el = this.el;
+ el.addEventListener('buttonchanged', this.onButtonChanged);
+ el.addEventListener('buttondown', this.onButtonDown);
+ el.addEventListener('buttonup', this.onButtonUp);
+ el.addEventListener('touchstart', this.onButtonTouchStart);
+ el.addEventListener('touchend', this.onButtonTouchEnd);
+ el.addEventListener('model-loaded', this.onModelLoaded);
+ el.addEventListener('axismove', this.onAxisMoved);
+ this.controllerEventsActive = true;
+ },
+
+ removeEventListeners: function () {
+ var el = this.el;
+ el.removeEventListener('buttonchanged', this.onButtonChanged);
+ el.removeEventListener('buttondown', this.onButtonDown);
+ el.removeEventListener('buttonup', this.onButtonUp);
+ el.removeEventListener('touchstart', this.onButtonTouchStart);
+ el.removeEventListener('touchend', this.onButtonTouchEnd);
+ el.removeEventListener('model-loaded', this.onModelLoaded);
+ el.removeEventListener('axismove', this.onAxisMoved);
+ this.controllerEventsActive = false;
+ },
+
+ checkIfControllerPresent: function () {
+ this.checkControllerPresentAndSetup(this, GAMEPAD_ID_PREFIX, {hand: this.data.hand});
+ },
+
+ play: function () {
+ this.checkIfControllerPresent();
+ this.addControllersUpdateListener();
+ },
+
+ pause: function () {
+ this.removeEventListeners();
+ this.removeControllersUpdateListener();
+ },
+
+ injectTrackedControls: function () {
+ var el = this.el;
+ var data = this.data;
+ el.setAttribute('tracked-controls', {
+ armModel: data.armModel,
+ hand: data.hand,
+ idPrefix: GAMEPAD_ID_PREFIX,
+ rotationOffset: data.rotationOffset
+ });
+ if (!this.data.model) { return; }
+ this.el.setAttribute('obj-model', {
+ obj: DAYDREAM_CONTROLLER_MODEL_OBJ_URL,
+ mtl: DAYDREAM_CONTROLLER_MODEL_OBJ_MTL
+ });
+ },
+
+ addControllersUpdateListener: function () {
+ this.el.sceneEl.addEventListener('controllersupdated', this.onControllersUpdate, false);
+ },
+
+ removeControllersUpdateListener: function () {
+ this.el.sceneEl.removeEventListener('controllersupdated', this.onControllersUpdate, false);
+ },
+
+ onControllersUpdate: function () {
+ this.checkIfControllerPresent();
+ },
+
+ onModelLoaded: function (evt) {
+ var controllerObject3D = evt.detail.model;
+ var buttonMeshes;
+ if (!this.data.model) { return; }
+ buttonMeshes = this.buttonMeshes = {};
+ buttonMeshes.menu = controllerObject3D.getObjectByName('AppButton_AppButton_Cylinder.004');
+ buttonMeshes.system = controllerObject3D.getObjectByName('HomeButton_HomeButton_Cylinder.005');
+ buttonMeshes.trackpad = controllerObject3D.getObjectByName('TouchPad_TouchPad_Cylinder.003');
+ // Offset pivot point.
+ controllerObject3D.position.set(0, 0, -0.04);
+ },
+
+ onAxisMoved: function (evt) {
+ this.emitIfAxesChanged(this, this.mapping.axes, evt);
+ },
+
+ onButtonChanged: function (evt) {
+ var button = this.mapping.buttons[evt.detail.id];
+ if (!button) return;
+ // Pass along changed event with button state, using button mapping for convenience.
+ this.el.emit(button + 'changed', evt.detail.state);
+ },
+
+ updateModel: function (buttonName, evtName) {
+ if (!this.data.model) { return; }
+ this.updateButtonModel(buttonName, evtName);
+ },
+
+ updateButtonModel: function (buttonName, state) {
+ var buttonMeshes = this.buttonMeshes;
+ if (!buttonMeshes || !buttonMeshes[buttonName]) { return; }
+ var color;
+ switch (state) {
+ case 'down':
+ color = this.data.buttonHighlightColor;
+ break;
+ case 'touchstart':
+ color = this.data.buttonTouchedColor;
+ break;
+ default:
+ color = this.data.buttonColor;
+ }
+ buttonMeshes[buttonName].material.color.set(color);
+ }
+});
+
+},{"../core/component":125,"../utils/bind":189,"../utils/tracked-controls":200}],80:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../core/component').registerComponent;
+var bind = _dereq_('../utils/bind');
+var trackedControlsUtils = _dereq_('../utils/tracked-controls');
+var checkControllerPresentAndSetup = trackedControlsUtils.checkControllerPresentAndSetup;
+var emitIfAxesChanged = trackedControlsUtils.emitIfAxesChanged;
+var onButtonEvent = trackedControlsUtils.onButtonEvent;
+
+var GEARVR_CONTROLLER_MODEL_BASE_URL = 'https://cdn.aframe.io/controllers/samsung/';
+var GEARVR_CONTROLLER_MODEL_OBJ_URL = GEARVR_CONTROLLER_MODEL_BASE_URL + 'gear_vr_controller.obj';
+var GEARVR_CONTROLLER_MODEL_OBJ_MTL = GEARVR_CONTROLLER_MODEL_BASE_URL + 'gear_vr_controller.mtl';
+
+var GAMEPAD_ID_PREFIX = 'Gear VR';
+
+/**
+ * Gear VR controls.
+ * Interface with Gear VR controller and map Gamepad events to
+ * controller buttons: trackpad, trigger
+ * Load a controller model and highlight the pressed buttons.
+ */
+module.exports.Component = registerComponent('gearvr-controls', {
+ schema: {
+ hand: {default: ''}, // This informs the degenerate arm model.
+ buttonColor: {type: 'color', default: '#000000'},
+ buttonTouchedColor: {type: 'color', default: '#777777'},
+ buttonHighlightColor: {type: 'color', default: '#FFFFFF'},
+ model: {default: true},
+ rotationOffset: {default: 0},
+ armModel: {default: true}
+ },
+
+ /**
+ * Button IDs:
+ * 0 - trackpad
+ * 1 - trigger
+ */
+ mapping: {
+ axes: {trackpad: [0, 1]},
+ buttons: ['trackpad', 'trigger']
+ },
+
+ bindMethods: function () {
+ this.onModelLoaded = bind(this.onModelLoaded, this);
+ this.onControllersUpdate = bind(this.onControllersUpdate, this);
+ this.checkIfControllerPresent = bind(this.checkIfControllerPresent, this);
+ this.removeControllersUpdateListener = bind(this.removeControllersUpdateListener, this);
+ this.onAxisMoved = bind(this.onAxisMoved, this);
+ },
+
+ init: function () {
+ var self = this;
+ this.animationActive = 'pointing';
+ this.onButtonChanged = bind(this.onButtonChanged, this);
+ this.onButtonDown = function (evt) { onButtonEvent(evt.detail.id, 'down', self); };
+ this.onButtonUp = function (evt) { onButtonEvent(evt.detail.id, 'up', self); };
+ this.onButtonTouchStart = function (evt) { onButtonEvent(evt.detail.id, 'touchstart', self); };
+ this.onButtonTouchEnd = function (evt) { onButtonEvent(evt.detail.id, 'touchend', self); };
+ this.onAxisMoved = bind(this.onAxisMoved, this);
+ this.controllerPresent = false;
+ this.lastControllerCheck = 0;
+ this.bindMethods();
+ this.checkControllerPresentAndSetup = checkControllerPresentAndSetup; // To allow mock.
+ this.emitIfAxesChanged = emitIfAxesChanged; // To allow mock.
+ },
+
+ addEventListeners: function () {
+ var el = this.el;
+ el.addEventListener('buttonchanged', this.onButtonChanged);
+ el.addEventListener('buttondown', this.onButtonDown);
+ el.addEventListener('buttonup', this.onButtonUp);
+ el.addEventListener('touchstart', this.onButtonTouchStart);
+ el.addEventListener('touchend', this.onButtonTouchEnd);
+ el.addEventListener('model-loaded', this.onModelLoaded);
+ el.addEventListener('axismove', this.onAxisMoved);
+ this.controllerEventsActive = true;
+ this.addControllersUpdateListener();
+ },
+
+ removeEventListeners: function () {
+ var el = this.el;
+ el.removeEventListener('buttonchanged', this.onButtonChanged);
+ el.removeEventListener('buttondown', this.onButtonDown);
+ el.removeEventListener('buttonup', this.onButtonUp);
+ el.removeEventListener('touchstart', this.onButtonTouchStart);
+ el.removeEventListener('touchend', this.onButtonTouchEnd);
+ el.removeEventListener('model-loaded', this.onModelLoaded);
+ el.removeEventListener('axismove', this.onAxisMoved);
+ this.controllerEventsActive = false;
+ this.removeControllersUpdateListener();
+ },
+
+ checkIfControllerPresent: function () {
+ this.checkControllerPresentAndSetup(this, GAMEPAD_ID_PREFIX,
+ this.data.hand ? {hand: this.data.hand} : {});
+ },
+
+ play: function () {
+ this.checkIfControllerPresent();
+ this.addControllersUpdateListener();
+ },
+
+ pause: function () {
+ this.removeEventListeners();
+ this.removeControllersUpdateListener();
+ },
+
+ injectTrackedControls: function () {
+ var el = this.el;
+ var data = this.data;
+ el.setAttribute('tracked-controls', {
+ armModel: data.armModel,
+ idPrefix: GAMEPAD_ID_PREFIX,
+ rotationOffset: data.rotationOffset
+ });
+ if (!this.data.model) { return; }
+ this.el.setAttribute('obj-model', {
+ obj: GEARVR_CONTROLLER_MODEL_OBJ_URL,
+ mtl: GEARVR_CONTROLLER_MODEL_OBJ_MTL
+ });
+ },
+
+ addControllersUpdateListener: function () {
+ this.el.sceneEl.addEventListener('controllersupdated', this.onControllersUpdate, false);
+ },
+
+ removeControllersUpdateListener: function () {
+ this.el.sceneEl.removeEventListener('controllersupdated', this.onControllersUpdate, false);
+ },
+
+ onControllersUpdate: function () {
+ this.checkIfControllerPresent();
+ },
+
+ // No need for onButtonChanged, since Gear VR controller has no analog buttons.
+
+ onModelLoaded: function (evt) {
+ var controllerObject3D = evt.detail.model;
+ var buttonMeshes;
+ if (!this.data.model) { return; }
+ buttonMeshes = this.buttonMeshes = {};
+ buttonMeshes.trigger = controllerObject3D.children[2];
+ buttonMeshes.trackpad = controllerObject3D.children[1];
+ },
+
+ onButtonChanged: function (evt) {
+ var button = this.mapping.buttons[evt.detail.id];
+ if (!button) return;
+ // Pass along changed event with button state, using button mapping for convenience.
+ this.el.emit(button + 'changed', evt.detail.state);
+ },
+
+ onAxisMoved: function (evt) {
+ this.emitIfAxesChanged(this, this.mapping.axes, evt);
+ },
+
+ updateModel: function (buttonName, evtName) {
+ if (!this.data.model) { return; }
+ this.updateButtonModel(buttonName, evtName);
+ },
+
+ updateButtonModel: function (buttonName, state) {
+ var buttonMeshes = this.buttonMeshes;
+ if (!buttonMeshes || !buttonMeshes[buttonName]) { return; }
+ var color;
+ switch (state) {
+ case 'down':
+ color = this.data.buttonHighlightColor;
+ break;
+ case 'touchstart':
+ color = this.data.buttonTouchedColor;
+ break;
+ default:
+ color = this.data.buttonColor;
+ }
+ buttonMeshes[buttonName].material.color.set(color);
+ }
+});
+
+},{"../core/component":125,"../utils/bind":189,"../utils/tracked-controls":200}],81:[function(_dereq_,module,exports){
+var geometries = _dereq_('../core/geometry').geometries;
+var geometryNames = _dereq_('../core/geometry').geometryNames;
+var registerComponent = _dereq_('../core/component').registerComponent;
+var THREE = _dereq_('../lib/three');
+
+var dummyGeometry = new THREE.Geometry();
+
+/**
+ * Geometry component. Combined with material component to make a mesh in 3D object.
+ * Extended with registered geometries.
+ */
+module.exports.Component = registerComponent('geometry', {
+ schema: {
+ buffer: {default: true},
+ primitive: {default: 'box', oneOf: geometryNames},
+ skipCache: {default: false}
+ },
+
+ init: function () {
+ this.geometry = null;
+ },
+
+ /**
+ * Talk to geometry system to get or create geometry.
+ */
+ update: function (previousData) {
+ var data = this.data;
+ var el = this.el;
+ var mesh;
+ var system = this.system;
+
+ // Dispose old geometry if we created one.
+ if (this.geometry) {
+ system.unuseGeometry(previousData);
+ this.geometry = null;
+ }
+
+ // Create new geometry.
+ this.geometry = system.getOrCreateGeometry(data);
+
+ // Set on mesh. If mesh does not exist, create it.
+ mesh = el.getObject3D('mesh');
+ if (mesh) {
+ mesh.geometry = this.geometry;
+ } else {
+ mesh = new THREE.Mesh();
+ mesh.geometry = this.geometry;
+ el.setObject3D('mesh', mesh);
+ }
+ },
+
+ /**
+ * Tell geometry system that entity is no longer using the geometry.
+ * Unset the geometry on the mesh
+ */
+ remove: function () {
+ this.system.unuseGeometry(this.data);
+ this.el.getObject3D('mesh').geometry = dummyGeometry;
+ this.geometry = null;
+ },
+
+ /**
+ * Update geometry component schema based on geometry type.
+ *
+ * @param {object} data - New data passed by Component.
+ */
+ updateSchema: function (data) {
+ var newGeometryType = data.primitive;
+ var currentGeometryType = this.data && this.data.primitive;
+ var schema = geometries[newGeometryType] && geometries[newGeometryType].schema;
+
+ // Geometry has no schema.
+ if (!schema) { throw new Error('Unknown geometry schema `' + newGeometryType + '`'); }
+ // Nothing has changed.
+ if (currentGeometryType && currentGeometryType === newGeometryType) { return; }
+
+ this.extendSchema(schema);
+ }
+});
+
+},{"../core/component":125,"../core/geometry":126,"../lib/three":173}],82:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../core/component').registerComponent;
+var THREE = _dereq_('../lib/three');
+var utils = _dereq_('../utils/');
+var warn = utils.debug('components:gltf-model:warn');
+
+/**
+ * glTF model loader.
+ */
+module.exports.Component = registerComponent('gltf-model', {
+ schema: {type: 'model'},
+
+ init: function () {
+ this.model = null;
+ this.loader = new THREE.GLTFLoader();
+ },
+
+ update: function () {
+ var self = this;
+ var el = this.el;
+ var src = this.data;
+
+ if (!src) { return; }
+
+ this.remove();
+
+ this.loader.load(src, function gltfLoaded (gltfModel) {
+ self.model = gltfModel.scene || gltfModel.scenes[0];
+ self.model.animations = gltfModel.animations;
+ el.setObject3D('mesh', self.model);
+ el.emit('model-loaded', {format: 'gltf', model: self.model});
+ }, undefined /* onProgress */, function gltfFailed (error) {
+ var message = (error && error.message) ? error.message : 'Failed to load glTF model';
+ warn(message);
+ el.emit('model-error', {format: 'gltf', src: src});
+ });
+ },
+
+ remove: function () {
+ if (!this.model) { return; }
+ this.el.removeObject3D('mesh');
+ }
+});
+
+},{"../core/component":125,"../lib/three":173,"../utils/":195}],83:[function(_dereq_,module,exports){
+/* global THREE */
+var registerComponent = _dereq_('../core/component').registerComponent;
+
+// Found at https://github.com/aframevr/assets.
+var MODEL_URLS = {
+ left: 'https://cdn.aframe.io/controllers/oculus-hands/v2/leftHand.json',
+ right: 'https://cdn.aframe.io/controllers/oculus-hands/v2/rightHand.json'
+};
+
+// Poses.
+var ANIMATIONS = {
+ open: 'Open',
+ // point: grip active, trackpad surface active, trigger inactive.
+ point: 'Point',
+ // pointThumb: grip active, trigger inactive, trackpad surface inactive.
+ pointThumb: 'Point + Thumb',
+ // fist: grip active, trigger active, trackpad surface active.
+ fist: 'Fist',
+ // hold: trigger active, grip inactive.
+ hold: 'Hold',
+ // thumbUp: grip active, trigger active, trackpad surface inactive.
+ thumbUp: 'Thumb Up'
+};
+
+// Map animation to public events for the API.
+var EVENTS = {};
+EVENTS[ANIMATIONS.fist] = 'grip';
+EVENTS[ANIMATIONS.thumbUp] = 'pistol';
+EVENTS[ANIMATIONS.point] = 'pointing';
+EVENTS[ANIMATIONS.thumb] = 'thumb';
+
+/**
+ * Hand controls component that abstracts 6DoF controls:
+ * oculus-touch-controls, vive-controls, windows-motion-controls.
+ *
+ * Originally meant to be a sample implementation of applications-specific controls that
+ * abstracts multiple types of controllers.
+ *
+ * Auto-detect appropriate controller.
+ * Handle common events coming from the detected vendor-specific controls.
+ * Translate button events to semantic hand-related event names:
+ * (gripclose, gripopen, thumbup, thumbdown, pointup, pointdown)
+ * Load hand model with gestures that are applied based on the button pressed.
+ *
+ * @property {string} Hand mapping (`left`, `right`).
+ */
+module.exports.Component = registerComponent('hand-controls', {
+ schema: {default: 'left'},
+
+ init: function () {
+ var self = this;
+ var el = this.el;
+ // Current pose.
+ this.gesture = ANIMATIONS.open;
+ // Active buttons populated by events provided by the attached controls.
+ this.pressedButtons = {};
+ this.touchedButtons = {};
+ this.loader = new THREE.ObjectLoader();
+ this.loader.setCrossOrigin('anonymous');
+
+ this.onGripDown = function () { self.handleButton('grip', 'down'); };
+ this.onGripUp = function () { self.handleButton('grip', 'up'); };
+ this.onTrackpadDown = function () { self.handleButton('trackpad', 'down'); };
+ this.onTrackpadUp = function () { self.handleButton('trackpad', 'up'); };
+ this.onTrackpadTouchStart = function () { self.handleButton('trackpad', 'touchstart'); };
+ this.onTrackpadTouchEnd = function () { self.handleButton('trackpad', 'touchend'); };
+ this.onTriggerDown = function () { self.handleButton('trigger', 'down'); };
+ this.onTriggerUp = function () { self.handleButton('trigger', 'up'); };
+ this.onTriggerTouchStart = function () { self.handleButton('trigger', 'touchstart'); };
+ this.onTriggerTouchEnd = function () { self.handleButton('trigger', 'touchend'); };
+ this.onGripTouchStart = function () { self.handleButton('grip', 'touchstart'); };
+ this.onGripTouchEnd = function () { self.handleButton('grip', 'touchend'); };
+ this.onThumbstickDown = function () { self.handleButton('thumbstick', 'down'); };
+ this.onThumbstickUp = function () { self.handleButton('thumbstick', 'up'); };
+ this.onAorXTouchStart = function () { self.handleButton('AorX', 'touchstart'); };
+ this.onAorXTouchEnd = function () { self.handleButton('AorX', 'touchend'); };
+ this.onBorYTouchStart = function () { self.handleButton('BorY', 'touchstart'); };
+ this.onBorYTouchEnd = function () { self.handleButton('BorY', 'touchend'); };
+ this.onSurfaceTouchStart = function () { self.handleButton('surface', 'touchstart'); };
+ this.onSurfaceTouchEnd = function () { self.handleButton('surface', 'touchend'); };
+ this.onControllerConnected = function () { self.setModelVisibility(true); };
+ this.onControllerDisconnected = function () { self.setModelVisibility(false); };
+
+ el.addEventListener('controllerconnected', this.onControllerConnected);
+ el.addEventListener('controllerdisconnected', this.onControllerDisconnected);
+ },
+
+ play: function () {
+ this.addEventListeners();
+ },
+
+ pause: function () {
+ this.removeEventListeners();
+ },
+
+ tick: function (time, delta) {
+ var mesh = this.el.getObject3D('mesh');
+
+ if (!mesh || !mesh.mixer) { return; }
+
+ mesh.mixer.update(delta / 1000);
+ },
+
+ addEventListeners: function () {
+ var el = this.el;
+ el.addEventListener('gripdown', this.onGripDown);
+ el.addEventListener('gripup', this.onGripUp);
+ el.addEventListener('trackpaddown', this.onTrackpadDown);
+ el.addEventListener('trackpadup', this.onTrackpadUp);
+ el.addEventListener('trackpadtouchstart', this.onTrackpadTouchStart);
+ el.addEventListener('trackpadtouchend', this.onTrackpadTouchEnd);
+ el.addEventListener('triggerdown', this.onTriggerDown);
+ el.addEventListener('triggerup', this.onTriggerUp);
+ el.addEventListener('triggertouchstart', this.onTriggerTouchStart);
+ el.addEventListener('triggertouchend', this.onTriggerTouchEnd);
+ el.addEventListener('griptouchstart', this.onGripTouchStart);
+ el.addEventListener('griptouchend', this.onGripTouchEnd);
+ el.addEventListener('thumbstickdown', this.onThumbstickDown);
+ el.addEventListener('thumbstickup', this.onThumbstickUp);
+ el.addEventListener('abuttontouchstart', this.onAorXTouchStart);
+ el.addEventListener('abuttontouchend', this.onAorXTouchEnd);
+ el.addEventListener('bbuttontouchstart', this.onBorYTouchStart);
+ el.addEventListener('bbuttontouchend', this.onBorYTouchEnd);
+ el.addEventListener('xbuttontouchstart', this.onAorXTouchStart);
+ el.addEventListener('xbuttontouchend', this.onAorXTouchEnd);
+ el.addEventListener('ybuttontouchstart', this.onBorYTouchStart);
+ el.addEventListener('ybuttontouchend', this.onBorYTouchEnd);
+ el.addEventListener('surfacetouchstart', this.onSurfaceTouchStart);
+ el.addEventListener('surfacetouchend', this.onSurfaceTouchEnd);
+ },
+
+ removeEventListeners: function () {
+ var el = this.el;
+ el.removeEventListener('gripdown', this.onGripDown);
+ el.removeEventListener('gripup', this.onGripUp);
+ el.removeEventListener('trackpaddown', this.onTrackpadDown);
+ el.removeEventListener('trackpadup', this.onTrackpadUp);
+ el.removeEventListener('trackpadtouchstart', this.onTrackpadTouchStart);
+ el.removeEventListener('trackpadtouchend', this.onTrackpadTouchEnd);
+ el.removeEventListener('triggerdown', this.onTriggerDown);
+ el.removeEventListener('triggerup', this.onTriggerUp);
+ el.removeEventListener('triggertouchstart', this.onTriggerTouchStart);
+ el.removeEventListener('triggertouchend', this.onTriggerTouchEnd);
+ el.removeEventListener('griptouchstart', this.onGripTouchStart);
+ el.removeEventListener('griptouchend', this.onGripTouchEnd);
+ el.removeEventListener('thumbstickdown', this.onThumbstickDown);
+ el.removeEventListener('thumbstickup', this.onThumbstickUp);
+ el.removeEventListener('abuttontouchstart', this.onAorXTouchStart);
+ el.removeEventListener('abuttontouchend', this.onAorXTouchEnd);
+ el.removeEventListener('bbuttontouchstart', this.onBorYTouchStart);
+ el.removeEventListener('bbuttontouchend', this.onBorYTouchEnd);
+ el.removeEventListener('xbuttontouchstart', this.onAorXTouchStart);
+ el.removeEventListener('xbuttontouchend', this.onAorXTouchEnd);
+ el.removeEventListener('ybuttontouchstart', this.onBorYTouchStart);
+ el.removeEventListener('ybuttontouchend', this.onBorYTouchEnd);
+ el.removeEventListener('surfacetouchstart', this.onSurfaceTouchStart);
+ el.removeEventListener('surfacetouchend', this.onSurfaceTouchEnd);
+ },
+
+ /**
+ * Update handler. More like the `init` handler since the only property is the hand, and
+ * that won't be changing much.
+ */
+ update: function (previousHand) {
+ var controlConfiguration;
+ var el = this.el;
+ var hand = this.data;
+
+ // Get common configuration to abstract different vendor controls.
+ controlConfiguration = {
+ hand: hand,
+ model: false,
+ rotationOffset: hand === 'left' ? 90 : -90
+ };
+
+ // Set model.
+ if (hand !== previousHand) {
+ this.loader.load(MODEL_URLS[hand], function (scene) {
+ var mesh = scene.getObjectByName('Hand');
+ mesh.material.skinning = true;
+ mesh.mixer = new THREE.AnimationMixer(mesh);
+ el.setObject3D('mesh', mesh);
+ mesh.position.set(0, 0, 0);
+ mesh.rotation.set(0, 0, 0);
+ // hidden by default
+ mesh.visible = false;
+ el.setAttribute('vive-controls', controlConfiguration);
+ el.setAttribute('oculus-touch-controls', controlConfiguration);
+ el.setAttribute('windows-motion-controls', controlConfiguration);
+ });
+ }
+ },
+
+ remove: function () {
+ this.el.removeObject3D('mesh');
+ },
+
+ /**
+ * Play model animation, based on which button was pressed and which kind of event.
+ *
+ * 1. Process buttons.
+ * 2. Determine gesture (this.determineGesture()).
+ * 3. Animation gesture (this.animationGesture()).
+ * 4. Emit gesture events (this.emitGestureEvents()).
+ *
+ * @param {string} button - Name of the button.
+ * @param {string} evt - Type of event for the button (i.e., down/up/touchstart/touchend).
+ */
+ handleButton: function (button, evt) {
+ var lastGesture;
+ var isPressed = evt === 'down';
+ var isTouched = evt === 'touchstart';
+
+ // Update objects.
+ if (evt.indexOf('touch') === 0) {
+ // Update touch object.
+ if (isTouched === this.touchedButtons[button]) { return; }
+ this.touchedButtons[button] = isTouched;
+ } else {
+ // Update button object.
+ if (isPressed === this.pressedButtons[button]) { return; }
+ this.pressedButtons[button] = isPressed;
+ }
+
+ // Determine the gesture.
+ lastGesture = this.gesture;
+ this.gesture = this.determineGesture();
+
+ // Same gesture.
+ if (this.gesture === lastGesture) { return; }
+
+ // Animate gesture.
+ this.animateGesture(this.gesture, lastGesture);
+
+ // Emit events.
+ this.emitGestureEvents(this.gesture, lastGesture);
+ },
+
+ /**
+ * Determine which pose hand should be in considering active and touched buttons.
+ */
+ determineGesture: function () {
+ var gesture;
+ var isGripActive = this.pressedButtons['grip'];
+ var isSurfaceActive = this.pressedButtons['surface'] || this.touchedButtons['surface'];
+ var isTrackpadActive = this.pressedButtons['trackpad'] || this.touchedButtons['trackpad'];
+ var isTriggerActive = this.pressedButtons['trigger'] || this.touchedButtons['trigger'];
+ var isABXYActive = this.touchedButtons['AorX'] || this.touchedButtons['BorY'];
+ var isVive = isViveController(this.el.components['tracked-controls']);
+
+ // Works well with Oculus Touch and Windows Motion Controls, but Vive needs tweaks.
+ if (isGripActive) {
+ if (isVive) {
+ gesture = ANIMATIONS.fist;
+ } else
+ if (isSurfaceActive || isABXYActive || isTrackpadActive) {
+ gesture = isTriggerActive ? ANIMATIONS.fist : ANIMATIONS.point;
+ } else {
+ gesture = isTriggerActive ? ANIMATIONS.thumbUp : ANIMATIONS.pointThumb;
+ }
+ } else {
+ if (isTriggerActive) {
+ gesture = !isVive ? ANIMATIONS.hold : ANIMATIONS.fist;
+ } else if (isVive && isTrackpadActive) {
+ gesture = ANIMATIONS.point;
+ }
+ }
+
+ return gesture;
+ },
+
+ /**
+ * Play gesture animation.
+ *
+ * @param {string} gesture - Which pose to animate to. If absent, then animate to open.
+ * @param {string} lastGesture - Previous gesture, to reverse back to open if needed.
+ */
+ animateGesture: function (gesture, lastGesture) {
+ if (gesture) {
+ this.playAnimation(gesture || ANIMATIONS.open, lastGesture, false);
+ return;
+ }
+ // If no gesture, then reverse the current gesture back to open pose.
+ this.playAnimation(lastGesture, lastGesture, true);
+ },
+
+ /**
+ * Emit `hand-controls`-specific events.
+ */
+ emitGestureEvents: function (gesture, lastGesture) {
+ var el = this.el;
+ var eventName;
+
+ if (lastGesture === gesture) { return; }
+
+ // Emit event for lastGesture not inactive.
+ eventName = getGestureEventName(lastGesture, false);
+ if (eventName) { el.emit(eventName); }
+
+ // Emit event for current gesture now active.
+ eventName = getGestureEventName(gesture, true);
+ if (eventName) { el.emit(eventName); }
+ },
+
+/**
+ * Play hand animation based on button state.
+ *
+ * @param {string} gesture - Name of the animation as specified by the model.
+ * @param {string} lastGesture - Previous pose.
+ * @param {boolean} reverse - Whether animation should play in reverse.
+ */
+ playAnimation: function (gesture, lastGesture, reverse) {
+ var fromAction;
+ var mesh = this.el.getObject3D('mesh');
+ var toAction;
+
+ if (!mesh) { return; }
+
+ // Grab clip action.
+ toAction = mesh.mixer.clipAction(gesture);
+ toAction.clampWhenFinished = true;
+ toAction.loop = THREE.PingPong;
+ toAction.repetitions = 0;
+ toAction.timeScale = reverse ? -1 : 1;
+ toAction.weight = 1;
+
+ // No gesture to gesture or gesture to no gesture.
+ if (!lastGesture || gesture === lastGesture) {
+ // Stop all current animations.
+ mesh.mixer.stopAllAction();
+
+ // Play animation.
+ toAction.play();
+ return;
+ }
+
+ // Animate or crossfade from gesture to gesture.
+ fromAction = mesh.mixer.clipAction(lastGesture);
+ mesh.mixer.stopAllAction();
+ fromAction.weight = 0.15;
+ fromAction.play();
+ toAction.play();
+ fromAction.crossFadeTo(toAction, 0.15, true);
+ },
+
+ setModelVisibility: function (visible) {
+ var model = this.el.getObject3D('mesh');
+ if (!model) { return; }
+ model.visible = visible;
+ }
+});
+
+/**
+ * Suffix gestures based on toggle state (e.g., open/close, up/down, start/end).
+ *
+ * @param {string} gesture
+ * @param {boolean} active
+ */
+function getGestureEventName (gesture, active) {
+ var eventName;
+
+ if (!gesture) { return; }
+
+ eventName = EVENTS[gesture];
+ if (eventName === 'grip') {
+ return eventName + (active ? 'close' : 'open');
+ }
+ if (eventName === 'point' || eventName === 'thumb') {
+ return eventName + (active ? 'up' : 'down');
+ }
+ if (eventName === 'pointing' || eventName === 'pistol') {
+ return eventName + (active ? 'start' : 'end');
+ }
+ return;
+}
+
+function isViveController (trackedControls) {
+ var controllerId = trackedControls && trackedControls.controller &&
+ trackedControls.controller.id;
+ return controllerId && controllerId.indexOf('OpenVR ') === 0;
+}
+
+},{"../core/component":125}],84:[function(_dereq_,module,exports){
+_dereq_('./camera');
+_dereq_('./collada-model');
+_dereq_('./cursor');
+_dereq_('./daydream-controls');
+_dereq_('./gearvr-controls');
+_dereq_('./geometry');
+_dereq_('./gltf-model');
+_dereq_('./hand-controls');
+_dereq_('./laser-controls');
+_dereq_('./light');
+_dereq_('./line');
+_dereq_('./link');
+_dereq_('./look-controls');
+_dereq_('./material');
+_dereq_('./obj-model');
+_dereq_('./oculus-touch-controls');
+_dereq_('./position');
+_dereq_('./raycaster');
+_dereq_('./rotation');
+_dereq_('./scale');
+_dereq_('./shadow');
+_dereq_('./sound');
+_dereq_('./text');
+_dereq_('./tracked-controls');
+_dereq_('./visible');
+_dereq_('./vive-controls');
+_dereq_('./wasd-controls');
+_dereq_('./windows-motion-controls');
+
+_dereq_('./scene/background');
+_dereq_('./scene/debug');
+_dereq_('./scene/embedded');
+_dereq_('./scene/inspector');
+_dereq_('./scene/fog');
+_dereq_('./scene/keyboard-shortcuts');
+_dereq_('./scene/pool');
+_dereq_('./scene/screenshot');
+_dereq_('./scene/stats');
+_dereq_('./scene/vr-mode-ui');
+
+},{"./camera":76,"./collada-model":77,"./cursor":78,"./daydream-controls":79,"./gearvr-controls":80,"./geometry":81,"./gltf-model":82,"./hand-controls":83,"./laser-controls":85,"./light":86,"./line":87,"./link":88,"./look-controls":89,"./material":90,"./obj-model":91,"./oculus-touch-controls":92,"./position":93,"./raycaster":94,"./rotation":95,"./scale":96,"./scene/background":97,"./scene/debug":98,"./scene/embedded":99,"./scene/fog":100,"./scene/inspector":101,"./scene/keyboard-shortcuts":102,"./scene/pool":103,"./scene/screenshot":104,"./scene/stats":105,"./scene/vr-mode-ui":106,"./shadow":107,"./sound":108,"./text":109,"./tracked-controls":110,"./visible":111,"./vive-controls":112,"./wasd-controls":113,"./windows-motion-controls":114}],85:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../core/component').registerComponent;
+var utils = _dereq_('../utils/');
+
+registerComponent('laser-controls', {
+ schema: {
+ hand: {default: 'right'}
+ },
+
+ init: function () {
+ var config = this.config;
+ var data = this.data;
+ var el = this.el;
+ var self = this;
+
+ // Set all controller models.
+ el.setAttribute('daydream-controls', {hand: data.hand});
+ el.setAttribute('gearvr-controls', {hand: data.hand});
+ el.setAttribute('oculus-touch-controls', {hand: data.hand});
+ el.setAttribute('vive-controls', {hand: data.hand});
+ el.setAttribute('windows-motion-controls', {hand: data.hand});
+
+ // Wait for controller to connect, or have a valid pointing pose, before creating ray
+ el.addEventListener('controllerconnected', createRay);
+ el.addEventListener('controllerdisconnected', hideRay);
+ el.addEventListener('controllermodelready', function (evt) {
+ createRay(evt);
+ self.modelReady = true;
+ });
+
+ function createRay (evt) {
+ var controllerConfig = config[evt.detail.name];
+
+ if (!controllerConfig) { return; }
+
+ // Show the line unless a particular config opts to hide it, until a controllermodelready
+ // event comes through.
+ var raycasterConfig = utils.extend({
+ showLine: true
+ }, controllerConfig.raycaster || {});
+
+ // The controllermodelready event contains a rayOrigin that takes into account
+ // offsets specific to the loaded model.
+ if (evt.detail.rayOrigin) {
+ raycasterConfig.origin = evt.detail.rayOrigin.origin;
+ raycasterConfig.direction = evt.detail.rayOrigin.direction;
+ raycasterConfig.showLine = true;
+ }
+
+ // Only apply a default raycaster if it does not yet exist. This prevents it overwriting
+ // config applied from a controllermodelready event.
+ if (evt.detail.rayOrigin || !self.modelReady) {
+ el.setAttribute('raycaster', raycasterConfig);
+ } else {
+ el.setAttribute('raycaster', 'showLine', true);
+ }
+
+ el.setAttribute('cursor', utils.extend({
+ fuse: false
+ }, controllerConfig.cursor));
+ }
+
+ function hideRay () {
+ el.setAttribute('raycaster', 'showLine', false);
+ }
+ },
+
+ config: {
+ 'daydream-controls': {
+ cursor: {downEvents: ['trackpaddown'], upEvents: ['trackpadup']}
+ },
+
+ 'gearvr-controls': {
+ cursor: {downEvents: ['trackpaddown'], upEvents: ['trackpadup']},
+ raycaster: {origin: {x: 0, y: 0.0005, z: 0}}
+ },
+
+ 'oculus-touch-controls': {
+ cursor: {downEvents: ['triggerdown'], upEvents: ['triggerup']},
+ raycaster: {origin: {x: 0.001, y: 0, z: 0.065}, direction: {x: 0, y: -0.8, z: -1}}
+ },
+
+ 'vive-controls': {
+ cursor: {downEvents: ['triggerdown'], upEvents: ['triggerup']}
+ },
+
+ 'windows-motion-controls': {
+ cursor: {downEvents: ['triggerdown'], upEvents: ['triggerup']},
+ raycaster: {showLine: false}
+ }
+ }
+});
+
+},{"../core/component":125,"../utils/":195}],86:[function(_dereq_,module,exports){
+var bind = _dereq_('../utils/bind');
+var diff = _dereq_('../utils').diff;
+var debug = _dereq_('../utils/debug');
+var registerComponent = _dereq_('../core/component').registerComponent;
+var THREE = _dereq_('../lib/three');
+
+var degToRad = THREE.Math.degToRad;
+var warn = debug('components:light:warn');
+
+/**
+ * Light component.
+ */
+module.exports.Component = registerComponent('light', {
+ schema: {
+ angle: {default: 60, if: {type: ['spot']}},
+ color: {type: 'color'},
+ groundColor: {type: 'color', if: {type: ['hemisphere']}},
+ decay: {default: 1, if: {type: ['point', 'spot']}},
+ distance: {default: 0.0, min: 0, if: {type: ['point', 'spot']}},
+ intensity: {default: 1.0, min: 0, if: {type: ['ambient', 'directional', 'hemisphere', 'point', 'spot']}},
+ penumbra: {default: 0, min: 0, max: 1, if: {type: ['spot']}},
+ type: {default: 'directional', oneOf: ['ambient', 'directional', 'hemisphere', 'point', 'spot']},
+ target: {type: 'selector', if: {type: ['spot', 'directional']}},
+
+ // Shadows.
+ castShadow: {default: false, if: {type: ['point', 'spot', 'directional']}},
+ shadowBias: {default: 0, if: {castShadow: true}},
+ shadowCameraFar: {default: 500, if: {castShadow: true}},
+ shadowCameraFov: {default: 90, if: {castShadow: true}},
+ shadowCameraNear: {default: 0.5, if: {castShadow: true}},
+ shadowCameraTop: {default: 5, if: {castShadow: true}},
+ shadowCameraRight: {default: 5, if: {castShadow: true}},
+ shadowCameraBottom: {default: -5, if: {castShadow: true}},
+ shadowCameraLeft: {default: -5, if: {castShadow: true}},
+ shadowCameraVisible: {default: false, if: {castShadow: true}},
+ shadowMapHeight: {default: 512, if: {castShadow: true}},
+ shadowMapWidth: {default: 512, if: {castShadow: true}}
+ },
+
+ /**
+ * Notifies scene a light has been added to remove default lighting.
+ */
+ init: function () {
+ var el = this.el;
+ this.light = null;
+ this.defaultTarget = null;
+ this.system.registerLight(el);
+ },
+
+ /**
+ * (Re)create or update light.
+ */
+ update: function (oldData) {
+ var data = this.data;
+ var diffData = diff(data, oldData);
+ var light = this.light;
+ var self = this;
+
+ // Existing light.
+ if (light && !('type' in diffData)) {
+ var shadowsLoaded = false;
+ // Light type has not changed. Update light.
+ Object.keys(diffData).forEach(function (key) {
+ var value = data[key];
+
+ switch (key) {
+ case 'color': {
+ light.color.set(value);
+ break;
+ }
+
+ case 'groundColor': {
+ light.groundColor.set(value);
+ break;
+ }
+
+ case 'angle': {
+ light.angle = degToRad(value);
+ break;
+ }
+
+ case 'target': {
+ // Reset target if selector is null.
+ if (value === null) {
+ if (data.type === 'spot' || data.type === 'directional') {
+ light.target = self.defaultTarget;
+ }
+ } else {
+ // Target specified, set target to entity's `object3D` when it is loaded.
+ if (value.hasLoaded) {
+ self.onSetTarget(value, light);
+ } else {
+ value.addEventListener('loaded', bind(self.onSetTarget, self, value, light));
+ }
+ }
+ break;
+ }
+
+ case 'castShadow':
+ case 'shadowBias':
+ case 'shadowCameraFar':
+ case 'shadowCameraFov':
+ case 'shadowCameraNear':
+ case 'shadowCameraTop':
+ case 'shadowCameraRight':
+ case 'shadowCameraBottom':
+ case 'shadowCameraLeft':
+ case 'shadowCameraVisible':
+ case 'shadowMapHeight':
+ case 'shadowMapWidth':
+ if (!shadowsLoaded) {
+ self.updateShadow();
+ shadowsLoaded = true;
+ }
+ break;
+
+ default: {
+ light[key] = value;
+ }
+ }
+ });
+ return;
+ }
+
+ // No light yet or light type has changed. Create and add light.
+ this.setLight(this.data);
+ this.updateShadow();
+ },
+
+ setLight: function (data) {
+ var el = this.el;
+ var newLight = this.getLight(data);
+ if (newLight) {
+ if (this.light) {
+ el.removeObject3D('light');
+ }
+
+ this.light = newLight;
+ this.light.el = el;
+ el.setObject3D('light', this.light);
+
+ // HACK solution for issue #1624
+ if (data.type === 'spot' || data.type === 'directional' || data.type === 'hemisphere') {
+ el.getObject3D('light').translateY(-1);
+ }
+
+ // set and position default lighttarget as a child to enable spotlight orientation
+ if (data.type === 'spot') {
+ el.setObject3D('light-target', this.defaultTarget);
+ el.getObject3D('light-target').position.set(0, 0, -1);
+ }
+ }
+ },
+
+ /**
+ * Updates shadow-related properties on the current light.
+ */
+ updateShadow: function () {
+ var el = this.el;
+ var data = this.data;
+ var light = this.light;
+
+ light.castShadow = data.castShadow;
+
+ // Shadow camera helper.
+ var cameraHelper = el.getObject3D('cameraHelper');
+ if (data.shadowCameraVisible && !cameraHelper) {
+ el.setObject3D('cameraHelper', new THREE.CameraHelper(light.shadow.camera));
+ } else if (!data.shadowCameraVisible && cameraHelper) {
+ el.removeObject3D('cameraHelper');
+ }
+
+ if (!data.castShadow) { return light; }
+
+ // Shadow appearance.
+ light.shadow.bias = data.shadowBias;
+ light.shadow.mapSize.height = data.shadowMapHeight;
+ light.shadow.mapSize.width = data.shadowMapWidth;
+
+ // Shadow camera.
+ light.shadow.camera.near = data.shadowCameraNear;
+ light.shadow.camera.far = data.shadowCameraFar;
+ if (light.shadow.camera instanceof THREE.OrthographicCamera) {
+ light.shadow.camera.top = data.shadowCameraTop;
+ light.shadow.camera.right = data.shadowCameraRight;
+ light.shadow.camera.bottom = data.shadowCameraBottom;
+ light.shadow.camera.left = data.shadowCameraLeft;
+ } else {
+ light.shadow.camera.fov = data.shadowCameraFov;
+ }
+ light.shadow.camera.updateProjectionMatrix();
+
+ if (cameraHelper) { cameraHelper.update(); }
+ },
+
+ /**
+ * Creates a new three.js light object given data object defining the light.
+ *
+ * @param {object} data
+ */
+ getLight: function (data) {
+ var angle = data.angle;
+ var color = new THREE.Color(data.color).getHex();
+ var decay = data.decay;
+ var distance = data.distance;
+ var groundColor = new THREE.Color(data.groundColor).getHex();
+ var intensity = data.intensity;
+ var type = data.type;
+ var target = data.target;
+ var light = null;
+
+ switch (type.toLowerCase()) {
+ case 'ambient': {
+ return new THREE.AmbientLight(color, intensity);
+ }
+
+ case 'directional': {
+ light = new THREE.DirectionalLight(color, intensity);
+ this.defaultTarget = light.target;
+ if (target) {
+ if (target.hasLoaded) {
+ this.onSetTarget(target, light);
+ } else {
+ target.addEventListener('loaded', bind(this.onSetTarget, this, target, light));
+ }
+ }
+ return light;
+ }
+
+ case 'hemisphere': {
+ return new THREE.HemisphereLight(color, groundColor, intensity);
+ }
+
+ case 'point': {
+ return new THREE.PointLight(color, intensity, distance, decay);
+ }
+
+ case 'spot': {
+ light = new THREE.SpotLight(color, intensity, distance, degToRad(angle), data.penumbra, decay);
+ this.defaultTarget = light.target;
+ if (target) {
+ if (target.hasLoaded) {
+ this.onSetTarget(target, light);
+ } else {
+ target.addEventListener('loaded', bind(this.onSetTarget, this, target, light));
+ }
+ }
+ return light;
+ }
+
+ default: {
+ warn('%s is not a valid light type. ' +
+ 'Choose from ambient, directional, hemisphere, point, spot.', type);
+ }
+ }
+ },
+
+ onSetTarget: function (targetEl, light) {
+ light.target = targetEl.object3D;
+ },
+
+ /**
+ * Remove light on remove (callback).
+ */
+ remove: function () {
+ var el = this.el;
+ el.removeObject3D('light');
+ if (el.getObject3D('cameraHelper')) {
+ el.removeObject3D('cameraHelper');
+ }
+ }
+});
+
+},{"../core/component":125,"../lib/three":173,"../utils":195,"../utils/bind":189,"../utils/debug":191}],87:[function(_dereq_,module,exports){
+/* global THREE */
+var registerComponent = _dereq_('../core/component').registerComponent;
+
+module.exports.Component = registerComponent('line', {
+ schema: {
+ start: {type: 'vec3', default: {x: 0, y: 0, z: 0}},
+ end: {type: 'vec3', default: {x: 0, y: 0, z: 0}},
+ color: {type: 'color', default: '#74BEC1'},
+ opacity: {type: 'number', default: 1},
+ visible: {default: true}
+ },
+
+ multiple: true,
+
+ init: function () {
+ var data = this.data;
+ var geometry;
+ var material;
+ material = this.material = new THREE.LineBasicMaterial({
+ color: data.color,
+ opacity: data.opacity,
+ transparent: data.opacity < 1,
+ visible: data.visible
+ });
+ geometry = this.geometry = new THREE.BufferGeometry();
+ geometry.addAttribute('position', new THREE.BufferAttribute(new Float32Array(2 * 3), 3));
+
+ this.line = new THREE.Line(geometry, material);
+ this.el.setObject3D(this.attrName, this.line);
+ },
+
+ update: function (oldData) {
+ var data = this.data;
+ var geometry = this.geometry;
+ var geoNeedsUpdate = false;
+ var material = this.material;
+ var positionArray = geometry.attributes.position.array;
+
+ // Update geometry.
+ if (!isEqualVec3(data.start, oldData.start)) {
+ positionArray[0] = data.start.x;
+ positionArray[1] = data.start.y;
+ positionArray[2] = data.start.z;
+ geoNeedsUpdate = true;
+ }
+
+ if (!isEqualVec3(data.end, oldData.end)) {
+ positionArray[3] = data.end.x;
+ positionArray[4] = data.end.y;
+ positionArray[5] = data.end.z;
+ geoNeedsUpdate = true;
+ }
+
+ if (geoNeedsUpdate) {
+ geometry.attributes.position.needsUpdate = true;
+ geometry.computeBoundingSphere();
+ }
+
+ material.color.setStyle(data.color);
+ material.opacity = data.opacity;
+ material.transparent = data.opacity < 1;
+ material.visible = data.visible;
+ },
+
+ remove: function () {
+ this.el.removeObject3D('line', this.line);
+ }
+});
+
+function isEqualVec3 (a, b) {
+ if (!a || !b) { return false; }
+ return (a.x === b.x && a.y === b.y && a.z === b.z);
+}
+
+},{"../core/component":125}],88:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../core/component').registerComponent;
+var registerShader = _dereq_('../core/shader').registerShader;
+var THREE = _dereq_('../lib/three');
+
+/**
+ * Link component. Connect experiences and traverse between them in VR
+ *
+ * @member {object} hiddenEls - Store the hidden elements during peek mode.
+ */
+module.exports.Component = registerComponent('link', {
+ schema: {
+ backgroundColor: {default: 'red', type: 'color'},
+ borderColor: {default: 'white', type: 'color'},
+ highlighted: {default: false},
+ highlightedColor: {default: '#24CAFF', type: 'color'},
+ href: {default: ''},
+ image: {type: 'asset'},
+ on: {default: 'click'},
+ peekMode: {default: false},
+ title: {default: ''},
+ titleColor: {default: 'white', type: 'color'},
+ visualAspectEnabled: {default: true}
+ },
+
+ init: function () {
+ this.navigate = this.navigate.bind(this);
+ this.previousQuaternion = undefined;
+ this.quaternionClone = new THREE.Quaternion();
+ // Store hidden elements during peek mode so we can show them again later.
+ this.hiddenEls = [];
+ this.initVisualAspect();
+ },
+
+ update: function (oldData) {
+ var data = this.data;
+ var el = this.el;
+ var backgroundColor;
+ var strokeColor;
+
+ backgroundColor = data.highlighted ? data.highlightedColor : data.backgroundColor;
+ strokeColor = data.highlighted ? data.highlightedColor : data.borderColor;
+ el.setAttribute('material', 'backgroundColor', backgroundColor);
+ el.setAttribute('material', 'strokeColor', strokeColor);
+
+ if (data.on !== oldData.on) { this.updateEventListener(); }
+
+ if (data.visualAspectEnabled && oldData.peekMode !== undefined &&
+ data.peekMode !== oldData.peekMode) { this.updatePeekMode(); }
+
+ if (!data.image || oldData.image === data.image) { return; }
+
+ el.setAttribute('material', 'pano',
+ typeof data.image === 'string' ? data.image : data.image.src);
+ },
+
+ /*
+ * Toggle all elements and full 360 preview of the linked page.
+ */
+ updatePeekMode: function () {
+ var el = this.el;
+ var sphereEl = this.sphereEl;
+ if (this.data.peekMode) {
+ this.hideAll();
+ el.getObject3D('mesh').visible = false;
+ sphereEl.setAttribute('visible', true);
+ } else {
+ this.showAll();
+ el.getObject3D('mesh').visible = true;
+ sphereEl.setAttribute('visible', false);
+ }
+ },
+
+ play: function () {
+ this.updateEventListener();
+ },
+
+ pause: function () {
+ this.removeEventListener();
+ },
+
+ updateEventListener: function () {
+ var el = this.el;
+ if (!el.isPlaying) { return; }
+ this.removeEventListener();
+ el.addEventListener(this.data.on, this.navigate);
+ },
+
+ removeEventListener: function () {
+ var on = this.data.on;
+ if (!on) { return; }
+ this.el.removeEventListener(on, this.navigate);
+ },
+
+ initVisualAspect: function () {
+ var el = this.el;
+ var semiSphereEl;
+ var sphereEl;
+ var textEl;
+
+ if (!this.data.visualAspectEnabled) { return; }
+
+ textEl = this.textEl = this.textEl || document.createElement('a-entity');
+ sphereEl = this.sphereEl = this.sphereEl || document.createElement('a-entity');
+ semiSphereEl = this.semiSphereEl = this.semiSphereEl || document.createElement('a-entity');
+
+ // Set portal.
+ el.setAttribute('geometry', {primitive: 'circle', radius: 1.0, segments: 64});
+ el.setAttribute('material', {shader: 'portal', pano: this.data.image, side: 'double'});
+
+ // Set text that displays the link title and URL.
+ textEl.setAttribute('text', {
+ color: this.data.titleColor,
+ align: 'center',
+ font: 'kelsonsans',
+ value: this.data.title || this.data.href,
+ width: 4
+ });
+ textEl.setAttribute('position', '0 1.5 0');
+ el.appendChild(textEl);
+
+ // Set sphere rendered when camera is close to portal to allow user to peek inside.
+ semiSphereEl.setAttribute('geometry', {
+ primitive: 'sphere',
+ radius: 1.0,
+ phiStart: 0,
+ segmentsWidth: 64,
+ segmentsHeight: 64,
+ phiLength: 180,
+ thetaStart: 0,
+ thetaLength: 360
+ });
+ semiSphereEl.setAttribute('material', {
+ shader: 'portal',
+ borderEnabled: 0.0,
+ pano: this.data.image,
+ side: 'back'
+ });
+ semiSphereEl.setAttribute('rotation', '0 180 0');
+ semiSphereEl.setAttribute('position', '0 0 0');
+ semiSphereEl.setAttribute('visible', false);
+ el.appendChild(semiSphereEl);
+
+ // Set sphere rendered when camera is close to portal to allow user to peek inside.
+ sphereEl.setAttribute('geometry', {
+ primitive: 'sphere',
+ radius: 10,
+ segmentsWidth: 64,
+ segmentsHeight: 64
+ });
+ sphereEl.setAttribute('material', {
+ shader: 'portal',
+ borderEnabled: 0.0,
+ pano: this.data.image,
+ side: 'back'
+ });
+ sphereEl.setAttribute('visible', false);
+ el.appendChild(sphereEl);
+ },
+
+ navigate: function () {
+ window.location = this.data.href;
+ },
+
+ /**
+ * 1. Swap plane that represents portal with sphere with a hole when the camera is close
+ * so user can peek inside portal. Sphere is rendered on oposite side of portal
+ * from where user enters.
+ * 2. Place the url/title above or inside portal depending on distance to camera.
+ * 3. Face portal to camera when far away from user.
+ */
+ tick: (function () {
+ var cameraWorldPosition = new THREE.Vector3();
+ var elWorldPosition = new THREE.Vector3();
+ var quaternion = new THREE.Quaternion();
+ var scale = new THREE.Vector3();
+
+ return function () {
+ var el = this.el;
+ var object3D = el.object3D;
+ var camera = el.sceneEl.camera;
+ var cameraPortalOrientation;
+ var distance;
+ var textEl = this.textEl;
+
+ if (!this.data.visualAspectEnabled) { return; }
+
+ // Update matrices
+ object3D.updateMatrixWorld();
+ camera.parent.updateMatrixWorld();
+ camera.updateMatrixWorld();
+
+ object3D.matrix.decompose(elWorldPosition, quaternion, scale);
+ elWorldPosition.setFromMatrixPosition(object3D.matrixWorld);
+ cameraWorldPosition.setFromMatrixPosition(camera.matrixWorld);
+ distance = elWorldPosition.distanceTo(cameraWorldPosition);
+
+ if (distance > 20) {
+ // Store original orientation to be restored when the portal stops facing the camera.
+ if (!this.previousQuaternion) {
+ this.quaternionClone.copy(quaternion);
+ this.previousQuaternion = this.quaternionClone;
+ }
+ // If the portal is far away from the user, face portal to camera.
+ object3D.lookAt(cameraWorldPosition);
+ } else {
+ // When portal is close to the user/camera.
+ cameraPortalOrientation = this.calculateCameraPortalOrientation();
+ // If user gets very close to portal, replace with holed sphere they can peek in.
+ if (distance < 0.5) {
+ // Configure text size and sphere orientation depending side user approaches portal.
+ if (this.semiSphereEl.getAttribute('visible') === true) { return; }
+ textEl.setAttribute('text', 'width', 1.5);
+ if (cameraPortalOrientation <= 0.0) {
+ textEl.setAttribute('position', '0 0 0.75');
+ textEl.setAttribute('rotation', '0 180 0');
+ this.semiSphereEl.setAttribute('rotation', '0 0 0');
+ } else {
+ textEl.setAttribute('position', '0 0 -0.75');
+ textEl.setAttribute('rotation', '0 0 0');
+ this.semiSphereEl.setAttribute('rotation', '0 180 0');
+ }
+ el.getObject3D('mesh').visible = false;
+ this.semiSphereEl.setAttribute('visible', true);
+ this.peekCameraPortalOrientation = cameraPortalOrientation;
+ } else {
+ // Calculate wich side the camera is approaching the camera (back / front).
+ // Adjust text orientation based on camera position.
+ if (cameraPortalOrientation <= 0.0) {
+ textEl.setAttribute('rotation', '0 180 0');
+ } else {
+ textEl.setAttribute('rotation', '0 0 0');
+ }
+ textEl.setAttribute('text', 'width', 5);
+ textEl.setAttribute('position', '0 1.5 0');
+ el.getObject3D('mesh').visible = true;
+ this.semiSphereEl.setAttribute('visible', false);
+ this.peekCameraPortalOrientation = undefined;
+ }
+ if (this.previousQuaternion) {
+ object3D.quaternion.copy(this.previousQuaternion);
+ this.previousQuaternion = undefined;
+ }
+ }
+ };
+ })(),
+
+ hideAll: function () {
+ var el = this.el;
+ var hiddenEls = this.hiddenEls;
+ var self = this;
+ if (hiddenEls.length > 0) { return; }
+ el.sceneEl.object3D.traverse(function (object) {
+ if (object && object.el && object.el.hasAttribute('link-controls')) { return; }
+ if (!object.el || object === el.sceneEl.object3D || object.el === el ||
+ object.el === self.sphereEl || object.el === el.sceneEl.cameraEl ||
+ object.el.getAttribute('visible') === false || object.el === self.textEl ||
+ object.el === self.semiSphereEl) {
+ return;
+ }
+ object.el.setAttribute('visible', false);
+ hiddenEls.push(object.el);
+ });
+ },
+
+ showAll: function () {
+ this.hiddenEls.forEach(function (el) { el.setAttribute('visible', true); });
+ this.hiddenEls = [];
+ },
+
+ /**
+ * Calculate whether the camera faces the front or back face of the portal.
+ * @returns {number} > 0 if camera faces front of portal, < 0 if it faces back of portal.
+ */
+ calculateCameraPortalOrientation: (function () {
+ var mat4 = new THREE.Matrix4();
+ var cameraPosition = new THREE.Vector3();
+ var portalNormal = new THREE.Vector3(0, 0, 1);
+ var portalPosition = new THREE.Vector3(0, 0, 0);
+
+ return function () {
+ var el = this.el;
+ var camera = el.sceneEl.camera;
+
+ // Reset tmp variables.
+ cameraPosition.set(0, 0, 0);
+ portalNormal.set(0, 0, 1);
+ portalPosition.set(0, 0, 0);
+
+ // Apply portal orientation to the normal.
+ el.object3D.matrixWorld.extractRotation(mat4);
+ portalNormal.applyMatrix4(mat4);
+
+ // Calculate portal world position.
+ el.object3D.updateMatrixWorld();
+ el.object3D.localToWorld(portalPosition);
+
+ // Calculate camera world position.
+ camera.parent.parent.updateMatrixWorld();
+ camera.parent.updateMatrixWorld();
+ camera.updateMatrixWorld();
+ camera.localToWorld(cameraPosition);
+
+ // Calculate vector from portal to camera.
+ // (portal) -------> (camera)
+ cameraPosition.sub(portalPosition).normalize();
+ portalNormal.normalize();
+
+ // Side where camera approaches portal is given by sign of dot product of portal normal
+ // and portal to camera vectors.
+ return Math.sign(portalNormal.dot(cameraPosition));
+ };
+ })(),
+
+ remove: function () {
+ this.removeEventListener();
+ }
+});
+
+/* eslint-disable */
+registerShader('portal', {
+ schema: {
+ borderEnabled: {default: 1.0, type: 'int', is: 'uniform'},
+ backgroundColor: {default: 'red', type: 'color', is: 'uniform'},
+ pano: {type: 'map', is: 'uniform'},
+ strokeColor: {default: 'white', type: 'color', is: 'uniform'}
+ },
+
+ vertexShader: [
+ 'vec3 portalPosition;',
+ 'varying vec3 vWorldPosition;',
+ 'varying float vDistanceToCenter;',
+ 'varying float vDistance;',
+ 'void main() {',
+ 'vDistanceToCenter = clamp(length(position - vec3(0.0, 0.0, 0.0)), 0.0, 1.0);',
+ 'portalPosition = (modelMatrix * vec4(0.0, 0.0, 0.0, 1.0)).xyz;',
+ 'vDistance = length(portalPosition - cameraPosition);',
+ 'vWorldPosition = (modelMatrix * vec4(position, 1.0)).xyz;',
+ 'gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);',
+ '}'
+ ].join('\n'),
+
+ fragmentShader: [
+ '#define RECIPROCAL_PI2 0.15915494',
+ 'uniform sampler2D pano;',
+ 'uniform vec3 strokeColor;',
+ 'uniform vec3 backgroundColor;',
+ 'uniform float borderEnabled;',
+ 'varying float vDistanceToCenter;',
+ 'varying float vDistance;',
+ 'varying vec3 vWorldPosition;',
+ 'void main() {',
+ 'vec3 direction = normalize(vWorldPosition - cameraPosition);',
+ 'vec2 sampleUV;',
+ 'float borderThickness = clamp(exp(-vDistance / 50.0), 0.6, 0.95);',
+ 'sampleUV.y = saturate(direction.y * 0.5 + 0.5);',
+ 'sampleUV.x = atan(direction.z, -direction.x) * -RECIPROCAL_PI2 + 0.5;',
+ 'if (vDistanceToCenter > borderThickness && borderEnabled == 1.0) {',
+ 'gl_FragColor = vec4(strokeColor, 1.0);',
+ '} else {',
+ 'gl_FragColor = mix(texture2D(pano, sampleUV), vec4(backgroundColor, 1.0), clamp(pow((vDistance / 15.0), 2.0), 0.0, 1.0));',
+ '}',
+ '}'
+ ].join('\n')
+});
+/* eslint-enable */
+
+},{"../core/component":125,"../core/shader":134,"../lib/three":173}],89:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../core/component').registerComponent;
+var THREE = _dereq_('../lib/three');
+var utils = _dereq_('../utils/');
+var bind = utils.bind;
+var PolyfillControls = _dereq_('../utils').device.PolyfillControls;
+
+// To avoid recalculation at every mouse movement tick
+var GRABBING_CLASS = 'a-grabbing';
+var PI_2 = Math.PI / 2;
+var radToDeg = THREE.Math.radToDeg;
+
+var checkHasPositionalTracking = utils.device.checkHasPositionalTracking;
+
+/**
+ * look-controls. Update entity pose, factoring mouse, touch, and WebVR API data.
+ */
+module.exports.Component = registerComponent('look-controls', {
+ dependencies: ['position', 'rotation'],
+
+ schema: {
+ enabled: {default: true},
+ touchEnabled: {default: true},
+ hmdEnabled: {default: true},
+ reverseMouseDrag: {default: false},
+ userHeight: {default: 1.6}
+ },
+
+ init: function () {
+ this.previousHMDPosition = new THREE.Vector3();
+ this.hmdQuaternion = new THREE.Quaternion();
+ this.hmdEuler = new THREE.Euler();
+ this.position = new THREE.Vector3();
+ // To save / restore camera pose
+ this.savedRotation = new THREE.Vector3();
+ this.savedPosition = new THREE.Vector3();
+ this.polyfillObject = new THREE.Object3D();
+ this.polyfillControls = new PolyfillControls(this.polyfillObject);
+ this.rotation = {};
+ this.deltaRotation = {};
+ this.savedPose = null;
+ this.setupMouseControls();
+ this.bindMethods();
+
+ // Call enter VR handler if the scene has entered VR before the event listeners attached.
+ if (this.el.sceneEl.is('vr-mode')) { this.onEnterVR(); }
+ },
+
+ update: function (oldData) {
+ var data = this.data;
+
+ // Update height offset.
+ this.addHeightOffset(oldData.userHeight);
+
+ // Disable grab cursor classes if no longer enabled.
+ if (data.enabled !== oldData.enabled) {
+ this.updateGrabCursor(data.enabled);
+ }
+
+ // Reset pitch and yaw if disabling HMD.
+ if (oldData && !data.hmdEnabled && !oldData.hmdEnabled) {
+ this.pitchObject.rotation.set(0, 0, 0);
+ this.yawObject.rotation.set(0, 0, 0);
+ }
+ },
+
+ tick: function (t) {
+ var data = this.data;
+ if (!data.enabled) { return; }
+ this.updatePosition();
+ this.updateOrientation();
+ },
+
+ play: function () {
+ this.addEventListeners();
+ },
+
+ pause: function () {
+ this.removeEventListeners();
+ },
+
+ remove: function () {
+ this.removeEventListeners();
+ },
+
+ bindMethods: function () {
+ this.onMouseDown = bind(this.onMouseDown, this);
+ this.onMouseMove = bind(this.onMouseMove, this);
+ this.onMouseUp = bind(this.onMouseUp, this);
+ this.onTouchStart = bind(this.onTouchStart, this);
+ this.onTouchMove = bind(this.onTouchMove, this);
+ this.onTouchEnd = bind(this.onTouchEnd, this);
+ this.onEnterVR = bind(this.onEnterVR, this);
+ this.onExitVR = bind(this.onExitVR, this);
+ },
+
+ /**
+ * Set up states and Object3Ds needed to store rotation data.
+ */
+ setupMouseControls: function () {
+ this.mouseDown = false;
+ this.pitchObject = new THREE.Object3D();
+ this.yawObject = new THREE.Object3D();
+ this.yawObject.position.y = 10;
+ this.yawObject.add(this.pitchObject);
+ },
+
+ /**
+ * Add mouse and touch event listeners to canvas.
+ */
+ addEventListeners: function () {
+ var sceneEl = this.el.sceneEl;
+ var canvasEl = sceneEl.canvas;
+
+ // Wait for canvas to load.
+ if (!canvasEl) {
+ sceneEl.addEventListener('render-target-loaded', bind(this.addEventListeners, this));
+ return;
+ }
+
+ // Mouse events.
+ canvasEl.addEventListener('mousedown', this.onMouseDown, false);
+ window.addEventListener('mousemove', this.onMouseMove, false);
+ window.addEventListener('mouseup', this.onMouseUp, false);
+
+ // Touch events.
+ canvasEl.addEventListener('touchstart', this.onTouchStart);
+ window.addEventListener('touchmove', this.onTouchMove);
+ window.addEventListener('touchend', this.onTouchEnd);
+
+ // sceneEl events.
+ sceneEl.addEventListener('enter-vr', this.onEnterVR);
+ sceneEl.addEventListener('exit-vr', this.onExitVR);
+ },
+
+ /**
+ * Remove mouse and touch event listeners from canvas.
+ */
+ removeEventListeners: function () {
+ var sceneEl = this.el.sceneEl;
+ var canvasEl = sceneEl && sceneEl.canvas;
+
+ if (!canvasEl) { return; }
+
+ // Mouse events.
+ canvasEl.removeEventListener('mousedown', this.onMouseDown);
+ canvasEl.removeEventListener('mousemove', this.onMouseMove);
+ canvasEl.removeEventListener('mouseup', this.onMouseUp);
+ canvasEl.removeEventListener('mouseout', this.onMouseUp);
+
+ // Touch events.
+ canvasEl.removeEventListener('touchstart', this.onTouchStart);
+ canvasEl.removeEventListener('touchmove', this.onTouchMove);
+ canvasEl.removeEventListener('touchend', this.onTouchEnd);
+
+ // sceneEl events.
+ sceneEl.removeEventListener('enter-vr', this.onEnterVR);
+ sceneEl.removeEventListener('exit-vr', this.onExitVR);
+ },
+
+ /**
+ * Update orientation for mobile, mouse drag, and headset.
+ * Mouse-drag only enabled if HMD is not active.
+ */
+ updateOrientation: function () {
+ var hmdEuler = this.hmdEuler;
+ var pitchObject = this.pitchObject;
+ var yawObject = this.yawObject;
+ var sceneEl = this.el.sceneEl;
+ var rotation = this.rotation;
+
+ // In VR mode, THREE is in charge of updating the camera rotation.
+ if (sceneEl.is('vr-mode') && sceneEl.checkHeadsetConnected()) { return; }
+
+ // Calculate polyfilled HMD quaternion.
+ this.polyfillControls.update();
+ hmdEuler.setFromQuaternion(this.polyfillObject.quaternion, 'YXZ');
+ // On mobile, do camera rotation with touch events and sensors.
+ rotation.x = radToDeg(hmdEuler.x) + radToDeg(pitchObject.rotation.x);
+ rotation.y = radToDeg(hmdEuler.y) + radToDeg(yawObject.rotation.y);
+ rotation.z = 0;
+
+ this.el.setAttribute('rotation', rotation);
+ },
+
+ /**
+ * Handle positional tracking.
+ */
+ updatePosition: function () {
+ var el = this.el;
+ var currentHMDPosition;
+ var currentPosition;
+ var position = this.position;
+ var previousHMDPosition = this.previousHMDPosition;
+ var sceneEl = this.el.sceneEl;
+
+ if (!sceneEl.is('vr-mode') || !sceneEl.checkHeadsetConnected()) { return; }
+
+ // Calculate change in position.
+ currentHMDPosition = this.calculateHMDPosition();
+ currentPosition = el.getAttribute('position');
+
+ position.copy(currentPosition).sub(previousHMDPosition).add(currentHMDPosition);
+ el.setAttribute('position', position);
+ previousHMDPosition.copy(currentHMDPosition);
+ },
+
+ calculateHMDPosition: (function () {
+ var position = new THREE.Vector3();
+ return function () {
+ var object3D = this.el.object3D;
+ object3D.updateMatrix();
+ position.setFromMatrixPosition(object3D.matrix);
+ return position;
+ };
+ })(),
+
+ /**
+ * Calculate delta rotation for mouse-drag and touch-drag.
+ */
+ calculateDeltaRotation: function () {
+ var currentRotationX = radToDeg(this.pitchObject.rotation.x);
+ var currentRotationY = radToDeg(this.yawObject.rotation.y);
+ this.deltaRotation.x = currentRotationX - (this.previousRotationX || 0);
+ this.deltaRotation.y = currentRotationY - (this.previousRotationY || 0);
+ // Store current rotation for next tick.
+ this.previousRotationX = currentRotationX;
+ this.previousRotationY = currentRotationY;
+ return this.deltaRotation;
+ },
+
+ /**
+ * Translate mouse drag into rotation.
+ *
+ * Dragging up and down rotates the camera around the X-axis (yaw).
+ * Dragging left and right rotates the camera around the Y-axis (pitch).
+ */
+ onMouseMove: function (event) {
+ var pitchObject = this.pitchObject;
+ var yawObject = this.yawObject;
+ var previousMouseEvent = this.previousMouseEvent;
+ var movementX;
+ var movementY;
+
+ // Not dragging or not enabled.
+ if (!this.mouseDown || !this.data.enabled) { return; }
+
+ // Calculate delta.
+ movementX = event.movementX || event.mozMovementX;
+ movementY = event.movementY || event.mozMovementY;
+ if (movementX === undefined || movementY === undefined) {
+ movementX = event.screenX - previousMouseEvent.screenX;
+ movementY = event.screenY - previousMouseEvent.screenY;
+ }
+ this.previousMouseEvent = event;
+
+ // Calculate rotation.
+ yawObject.rotation.y -= movementX * 0.002;
+ pitchObject.rotation.x -= movementY * 0.002;
+ pitchObject.rotation.x = Math.max(-PI_2, Math.min(PI_2, pitchObject.rotation.x));
+ },
+
+ /**
+ * Register mouse down to detect mouse drag.
+ */
+ onMouseDown: function (evt) {
+ if (!this.data.enabled) { return; }
+ // Handle only primary button.
+ if (evt.button !== 0) { return; }
+ this.mouseDown = true;
+ this.previousMouseEvent = evt;
+ document.body.classList.add(GRABBING_CLASS);
+ },
+
+ /**
+ * Register mouse up to detect release of mouse drag.
+ */
+ onMouseUp: function () {
+ this.mouseDown = false;
+ document.body.classList.remove(GRABBING_CLASS);
+ },
+
+ /**
+ * Register touch down to detect touch drag.
+ */
+ onTouchStart: function (evt) {
+ if (evt.touches.length !== 1 || !this.data.touchEnabled) { return; }
+ this.touchStart = {
+ x: evt.touches[0].pageX,
+ y: evt.touches[0].pageY
+ };
+ this.touchStarted = true;
+ },
+
+ /**
+ * Translate touch move to Y-axis rotation.
+ */
+ onTouchMove: function (evt) {
+ var canvas = this.el.sceneEl.canvas;
+ var deltaY;
+ var yawObject = this.yawObject;
+
+ if (!this.touchStarted || !this.data.touchEnabled) { return; }
+
+ deltaY = 2 * Math.PI * (evt.touches[0].pageX - this.touchStart.x) / canvas.clientWidth;
+
+ // Limit touch orientaion to to yaw (y axis).
+ yawObject.rotation.y -= deltaY * 0.5;
+ this.touchStart = {
+ x: evt.touches[0].pageX,
+ y: evt.touches[0].pageY
+ };
+ },
+
+ /**
+ * Register touch end to detect release of touch drag.
+ */
+ onTouchEnd: function () {
+ this.touchStarted = false;
+ },
+
+ /**
+ * Save pose.
+ */
+ onEnterVR: function () {
+ this.saveCameraPose();
+ this.removeHeightOffset();
+ },
+
+ /**
+ * Restore the pose.
+ */
+ onExitVR: function () {
+ this.restoreCameraPose();
+ this.previousHMDPosition.set(0, 0, 0);
+ },
+
+ /**
+ * Toggle the feature of showing/hiding the grab cursor.
+ */
+ updateGrabCursor: function (enabled) {
+ var sceneEl = this.el.sceneEl;
+
+ function enableGrabCursor () { sceneEl.canvas.classList.add('a-grab-cursor'); }
+ function disableGrabCursor () { sceneEl.canvas.classList.remove('a-grab-cursor'); }
+
+ if (!sceneEl.canvas) {
+ if (enabled) {
+ sceneEl.addEventListener('render-target-loaded', enableGrabCursor);
+ } else {
+ sceneEl.addEventListener('render-target-loaded', disableGrabCursor);
+ }
+ return;
+ }
+
+ if (enabled) {
+ enableGrabCursor();
+ return;
+ }
+ disableGrabCursor();
+ },
+
+ /**
+ * Offsets the position of the camera to set a human scale perspective
+ * This offset is not necessary when using a headset because the SDK
+ * will return the real user's head height and position.
+ */
+ addHeightOffset: function (oldOffset) {
+ var el = this.el;
+ var currentPosition;
+ var userHeightOffset = this.data.userHeight;
+
+ oldOffset = oldOffset || 0;
+ currentPosition = el.getAttribute('position') || {x: 0, y: 0, z: 0};
+ el.setAttribute('position', {
+ x: currentPosition.x,
+ y: currentPosition.y - oldOffset + userHeightOffset,
+ z: currentPosition.z
+ });
+ },
+
+ /**
+ * Remove the height offset (called when entering VR) since WebVR API gives absolute
+ * position.
+ */
+ removeHeightOffset: function () {
+ var currentPosition;
+ var el = this.el;
+ var hasPositionalTracking;
+ var userHeightOffset = this.data.userHeight;
+
+ // Remove the offset if there is positional tracking when entering VR.
+ // Necessary for fullscreen mode with no headset.
+ // Checking this.hasPositionalTracking to make the value injectable for unit tests.
+ hasPositionalTracking = this.hasPositionalTracking !== undefined
+ ? this.hasPositionalTracking
+ : checkHasPositionalTracking();
+
+ if (!userHeightOffset || !hasPositionalTracking) { return; }
+
+ currentPosition = el.getAttribute('position') || {x: 0, y: 0, z: 0};
+ el.setAttribute('position', {
+ x: currentPosition.x,
+ y: currentPosition.y - userHeightOffset,
+ z: currentPosition.z
+ });
+ },
+
+ /**
+ * Save camera pose before entering VR to restore later if exiting.
+ */
+ saveCameraPose: function () {
+ var el = this.el;
+ var position = el.getAttribute('position');
+ var rotation = el.getAttribute('rotation');
+ var hasPositionalTracking = this.hasPositionalTracking !== undefined ? this.hasPositionalTracking : checkHasPositionalTracking();
+
+ if (this.savedPose || !hasPositionalTracking) { return; }
+ this.savedPose = {
+ position: this.savedPosition.copy(position),
+ rotation: this.savedRotation.copy(rotation)
+ };
+ },
+
+ /**
+ * Reset camera pose to before entering VR.
+ */
+ restoreCameraPose: function () {
+ var el = this.el;
+ var savedPose = this.savedPose;
+ var hasPositionalTracking = this.hasPositionalTracking !== undefined ? this.hasPositionalTracking : checkHasPositionalTracking();
+
+ if (!savedPose || !hasPositionalTracking) { return; }
+
+ // Reset camera orientation.
+ el.setAttribute('position', savedPose.position);
+ el.setAttribute('rotation', savedPose.rotation);
+ this.savedPose = null;
+ }
+});
+
+},{"../core/component":125,"../lib/three":173,"../utils":195,"../utils/":195}],90:[function(_dereq_,module,exports){
+/* global Promise */
+var utils = _dereq_('../utils/');
+var component = _dereq_('../core/component');
+var THREE = _dereq_('../lib/three');
+var shader = _dereq_('../core/shader');
+
+var error = utils.debug('components:material:error');
+var registerComponent = component.registerComponent;
+var shaders = shader.shaders;
+var shaderNames = shader.shaderNames;
+
+/**
+ * Material component.
+ *
+ * @member {object} shader - Determines how material is shaded. Defaults to `standard`,
+ * three.js's implementation of PBR. Another standard shading model is `flat` which
+ * uses MeshBasicMaterial.
+ */
+module.exports.Component = registerComponent('material', {
+ schema: {
+ alphaTest: {default: 0.0, min: 0.0, max: 1.0},
+ depthTest: {default: true},
+ depthWrite: {default: true},
+ flatShading: {default: false},
+ npot: {default: false},
+ offset: {type: 'vec2', default: {x: 0, y: 0}},
+ opacity: {default: 1.0, min: 0.0, max: 1.0},
+ repeat: {type: 'vec2', default: {x: 1, y: 1}},
+ shader: {default: 'standard', oneOf: shaderNames},
+ side: {default: 'front', oneOf: ['front', 'back', 'double']},
+ transparent: {default: false},
+ vertexColors: {type: 'string', default: 'none', oneOf: ['face', 'vertex']},
+ visible: {default: true}
+ },
+
+ init: function () {
+ this.material = null;
+ },
+
+ /**
+ * Update or create material.
+ *
+ * @param {object|null} oldData
+ */
+ update: function (oldData) {
+ var data = this.data;
+ if (!this.shader || data.shader !== oldData.shader) {
+ this.updateShader(data.shader);
+ }
+ this.shader.update(this.data);
+ this.updateMaterial(oldData);
+ },
+
+ updateSchema: function (data) {
+ var newShader = data.shader;
+ var currentShader = this.data && this.data.shader;
+ var shader = newShader || currentShader;
+ var schema = shaders[shader] && shaders[shader].schema;
+ if (!schema) { error('Unknown shader schema ' + shader); }
+ if (currentShader && newShader === currentShader) { return; }
+ this.extendSchema(schema);
+ this.updateBehavior();
+ },
+
+ updateBehavior: function () {
+ var schema = this.schema;
+ var self = this;
+ var sceneEl = this.el.sceneEl;
+ var tickProperties = {};
+ var tick = function (time, delta) {
+ Object.keys(tickProperties).forEach(function update (key) {
+ tickProperties[key] = time;
+ });
+ self.shader.update(tickProperties);
+ };
+ this.tick = undefined;
+ Object.keys(schema).forEach(function (key) {
+ if (schema[key].type === 'time') {
+ self.tick = tick;
+ tickProperties[key] = true;
+ }
+ });
+ if (!sceneEl) { return; }
+ if (!this.tick) {
+ sceneEl.removeBehavior(this);
+ } else {
+ sceneEl.addBehavior(this);
+ }
+ },
+
+ updateShader: function (shaderName) {
+ var data = this.data;
+ var Shader = shaders[shaderName] && shaders[shaderName].Shader;
+ var shaderInstance;
+
+ if (!Shader) { throw new Error('Unknown shader ' + shaderName); }
+
+ // Get material from A-Frame shader.
+ shaderInstance = this.shader = new Shader();
+ shaderInstance.el = this.el;
+ shaderInstance.init(data);
+ this.setMaterial(shaderInstance.material);
+ this.updateSchema(data);
+ },
+
+ /**
+ * Set and update base material properties.
+ * Set `needsUpdate` when needed.
+ */
+ updateMaterial: function (oldData) {
+ var data = this.data;
+ var material = this.material;
+
+ // Base material properties.
+ material.alphaTest = data.alphaTest;
+ material.depthTest = data.depthTest !== false;
+ material.depthWrite = data.depthWrite !== false;
+ material.opacity = data.opacity;
+ material.flatShading = data.flatShading;
+ material.side = parseSide(data.side);
+ material.transparent = data.transparent !== false || data.opacity < 1.0;
+ material.vertexColors = parseVertexColors(data.vertexColors);
+ material.visible = data.visible;
+
+ // Check if material needs update.
+ if (Object.keys(oldData).length &&
+ (oldData.alphaTest !== data.alphaTest ||
+ oldData.side !== data.side ||
+ oldData.vertexColors !== data.vertexColors)) {
+ material.needsUpdate = true;
+ }
+ },
+
+ /**
+ * Remove material on remove (callback).
+ * Dispose of it from memory and unsubscribe from scene updates.
+ */
+ remove: function () {
+ var defaultMaterial = new THREE.MeshBasicMaterial();
+ var material = this.material;
+ var object3D = this.el.getObject3D('mesh');
+ if (object3D) { object3D.material = defaultMaterial; }
+ disposeMaterial(material, this.system);
+ },
+
+ /**
+ * (Re)create new material. Has side-effects of setting `this.material` and updating
+ * material registration in scene.
+ *
+ * @param {object} data - Material component data.
+ * @param {object} type - Material type to create.
+ * @returns {object} Material.
+ */
+ setMaterial: function (material) {
+ var el = this.el;
+ var mesh;
+ var system = this.system;
+
+ if (this.material) { disposeMaterial(this.material, system); }
+
+ this.material = material;
+ system.registerMaterial(material);
+
+ // Set on mesh. If mesh does not exist, wait for it.
+ mesh = el.getObject3D('mesh');
+ if (mesh) {
+ mesh.material = material;
+ } else {
+ el.addEventListener('object3dset', function waitForMesh (evt) {
+ if (evt.detail.type !== 'mesh' || evt.target !== el) { return; }
+ el.getObject3D('mesh').material = material;
+ el.removeEventListener('object3dset', waitForMesh);
+ });
+ }
+ }
+});
+
+/**
+ * Return a three.js constant determining which material face sides to render
+ * based on the side parameter (passed as a component property).
+ *
+ * @param {string} [side=front] - `front`, `back`, or `double`.
+ * @returns {number} THREE.FrontSide, THREE.BackSide, or THREE.DoubleSide.
+ */
+function parseSide (side) {
+ switch (side) {
+ case 'back': {
+ return THREE.BackSide;
+ }
+ case 'double': {
+ return THREE.DoubleSide;
+ }
+ default: {
+ // Including case `front`.
+ return THREE.FrontSide;
+ }
+ }
+}
+
+/**
+ * Return a three.js constant determining vertex coloring.
+ */
+function parseVertexColors (coloring) {
+ switch (coloring) {
+ case 'face': {
+ return THREE.FaceColors;
+ }
+ case 'vertex': {
+ return THREE.VertexColors;
+ }
+ default: {
+ return THREE.NoColors;
+ }
+ }
+}
+
+/**
+ * Dispose of material from memory and unsubscribe material from scene updates like fog.
+ */
+function disposeMaterial (material, system) {
+ material.dispose();
+ system.unregisterMaterial(material);
+}
+
+},{"../core/component":125,"../core/shader":134,"../lib/three":173,"../utils/":195}],91:[function(_dereq_,module,exports){
+var debug = _dereq_('../utils/debug');
+var registerComponent = _dereq_('../core/component').registerComponent;
+var THREE = _dereq_('../lib/three');
+
+var warn = debug('components:obj-model:warn');
+
+module.exports.Component = registerComponent('obj-model', {
+ schema: {
+ mtl: {type: 'model'},
+ obj: {type: 'model'}
+ },
+
+ init: function () {
+ this.model = null;
+ this.objLoader = new THREE.OBJLoader();
+ this.mtlLoader = new THREE.MTLLoader(this.objLoader.manager);
+ // Allow cross-origin images to be loaded.
+ this.mtlLoader.crossOrigin = '';
+ },
+
+ update: function () {
+ var data = this.data;
+ if (!data.obj) { return; }
+ this.remove();
+ this.loadObj(data.obj, data.mtl);
+ },
+
+ remove: function () {
+ if (!this.model) { return; }
+ this.el.removeObject3D('mesh');
+ },
+
+ loadObj: function (objUrl, mtlUrl) {
+ var self = this;
+ var el = this.el;
+ var mtlLoader = this.mtlLoader;
+ var objLoader = this.objLoader;
+
+ if (mtlUrl) {
+ // .OBJ with an .MTL.
+ if (el.hasAttribute('material')) {
+ warn('Material component properties are ignored when a .MTL is provided');
+ }
+ mtlLoader.setTexturePath(mtlUrl.substr(0, mtlUrl.lastIndexOf('/') + 1));
+ mtlLoader.load(mtlUrl, function (materials) {
+ materials.preload();
+ objLoader.setMaterials(materials);
+ objLoader.load(objUrl, function (objModel) {
+ self.model = objModel;
+ el.setObject3D('mesh', objModel);
+ el.emit('model-loaded', {format: 'obj', model: objModel});
+ });
+ });
+ return;
+ }
+
+ // .OBJ only.
+ objLoader.load(objUrl, function loadObjOnly (objModel) {
+ // Apply material.
+ var material = el.components.material;
+ if (material) {
+ objModel.traverse(function (child) {
+ if (child instanceof THREE.Mesh) {
+ child.material = material.material;
+ }
+ });
+ }
+
+ self.model = objModel;
+ el.setObject3D('mesh', objModel);
+ el.emit('model-loaded', {format: 'obj', model: objModel});
+ });
+ }
+});
+
+},{"../core/component":125,"../lib/three":173,"../utils/debug":191}],92:[function(_dereq_,module,exports){
+var bind = _dereq_('../utils/bind');
+var registerComponent = _dereq_('../core/component').registerComponent;
+var trackedControlsUtils = _dereq_('../utils/tracked-controls');
+var onButtonEvent = trackedControlsUtils.onButtonEvent;
+
+var TOUCH_CONTROLLER_MODEL_BASE_URL = 'https://cdn.aframe.io/controllers/oculus/oculus-touch-controller-';
+var TOUCH_CONTROLLER_MODEL_OBJ_URL_L = TOUCH_CONTROLLER_MODEL_BASE_URL + 'left.obj';
+var TOUCH_CONTROLLER_MODEL_OBJ_MTL_L = TOUCH_CONTROLLER_MODEL_BASE_URL + 'left.mtl';
+var TOUCH_CONTROLLER_MODEL_OBJ_URL_R = TOUCH_CONTROLLER_MODEL_BASE_URL + 'right.obj';
+var TOUCH_CONTROLLER_MODEL_OBJ_MTL_R = TOUCH_CONTROLLER_MODEL_BASE_URL + 'right.mtl';
+
+var GAMEPAD_ID_PREFIX = 'Oculus Touch';
+
+var PIVOT_OFFSET = {x: 0, y: -0.015, z: 0.04};
+
+/**
+ * Oculus Touch controls.
+ * Interface with Oculus Touch controllers and map Gamepad events to
+ * controller buttons: thumbstick, trigger, grip, xbutton, ybutton, surface
+ * Load a controller model and highlight the pressed buttons.
+ */
+module.exports.Component = registerComponent('oculus-touch-controls', {
+ schema: {
+ hand: {default: 'left'},
+ buttonColor: {type: 'color', default: '#999'}, // Off-white.
+ buttonTouchColor: {type: 'color', default: '#8AB'},
+ buttonHighlightColor: {type: 'color', default: '#2DF'}, // Light blue.
+ model: {default: true},
+ rotationOffset: {default: 0}
+ },
+
+ /**
+ * Button IDs:
+ * 0 - thumbstick (which has separate axismove / thumbstickmoved events)
+ * 1 - trigger (with analog value, which goes up to 1)
+ * 2 - grip (with analog value, which goes up to 1)
+ * 3 - X (left) or A (right)
+ * 4 - Y (left) or B (right)
+ * 5 - surface (touch only)
+ */
+ mapping: {
+ left: {
+ axes: {thumbstick: [0, 1]},
+ buttons: ['thumbstick', 'trigger', 'grip', 'xbutton', 'ybutton', 'surface']
+ },
+ right: {
+ axes: {thumbstick: [0, 1]},
+ buttons: ['thumbstick', 'trigger', 'grip', 'abutton', 'bbutton', 'surface']
+ }
+ },
+
+ bindMethods: function () {
+ this.onModelLoaded = bind(this.onModelLoaded, this);
+ this.onControllersUpdate = bind(this.onControllersUpdate, this);
+ this.checkIfControllerPresent = bind(this.checkIfControllerPresent, this);
+ this.onAxisMoved = bind(this.onAxisMoved, this);
+ },
+
+ init: function () {
+ var self = this;
+ this.onButtonChanged = bind(this.onButtonChanged, this);
+ this.onButtonDown = function (evt) { onButtonEvent(evt.detail.id, 'down', self, self.data.hand); };
+ this.onButtonUp = function (evt) { onButtonEvent(evt.detail.id, 'up', self, self.data.hand); };
+ this.onButtonTouchStart = function (evt) { onButtonEvent(evt.detail.id, 'touchstart', self, self.data.hand); };
+ this.onButtonTouchEnd = function (evt) { onButtonEvent(evt.detail.id, 'touchend', self, self.data.hand); };
+ this.controllerPresent = false;
+ this.lastControllerCheck = 0;
+ this.previousButtonValues = {};
+ this.bindMethods();
+
+ // Allow mock.
+ this.emitIfAxesChanged = trackedControlsUtils.emitIfAxesChanged;
+ this.checkControllerPresentAndSetup = trackedControlsUtils.checkControllerPresentAndSetup;
+ },
+
+ addEventListeners: function () {
+ var el = this.el;
+ el.addEventListener('buttonchanged', this.onButtonChanged);
+ el.addEventListener('buttondown', this.onButtonDown);
+ el.addEventListener('buttonup', this.onButtonUp);
+ el.addEventListener('touchstart', this.onButtonTouchStart);
+ el.addEventListener('touchend', this.onButtonTouchEnd);
+ el.addEventListener('axismove', this.onAxisMoved);
+ el.addEventListener('model-loaded', this.onModelLoaded);
+ this.controllerEventsActive = true;
+ },
+
+ removeEventListeners: function () {
+ var el = this.el;
+ el.removeEventListener('buttonchanged', this.onButtonChanged);
+ el.removeEventListener('buttondown', this.onButtonDown);
+ el.removeEventListener('buttonup', this.onButtonUp);
+ el.removeEventListener('touchstart', this.onButtonTouchStart);
+ el.removeEventListener('touchend', this.onButtonTouchEnd);
+ el.removeEventListener('axismove', this.onAxisMoved);
+ el.removeEventListener('model-loaded', this.onModelLoaded);
+ this.controllerEventsActive = false;
+ },
+
+ checkIfControllerPresent: function () {
+ this.checkControllerPresentAndSetup(this, GAMEPAD_ID_PREFIX, {
+ hand: this.data.hand
+ });
+ },
+
+ play: function () {
+ this.checkIfControllerPresent();
+ this.addControllersUpdateListener();
+ },
+
+ pause: function () {
+ this.removeEventListeners();
+ this.removeControllersUpdateListener();
+ },
+
+ updateControllerModel: function () {
+ var objUrl, mtlUrl;
+ if (!this.data.model) { return; }
+ if (this.data.hand === 'right') {
+ objUrl = 'url(' + TOUCH_CONTROLLER_MODEL_OBJ_URL_R + ')';
+ mtlUrl = 'url(' + TOUCH_CONTROLLER_MODEL_OBJ_MTL_R + ')';
+ } else {
+ objUrl = 'url(' + TOUCH_CONTROLLER_MODEL_OBJ_URL_L + ')';
+ mtlUrl = 'url(' + TOUCH_CONTROLLER_MODEL_OBJ_MTL_L + ')';
+ }
+ this.el.setAttribute('obj-model', {obj: objUrl, mtl: mtlUrl});
+ },
+
+ injectTrackedControls: function () {
+ var data = this.data;
+ var offset = data.hand === 'right' ? -90 : 90;
+ this.el.setAttribute('tracked-controls', {
+ id: data.hand === 'right' ? 'Oculus Touch (Right)' : 'Oculus Touch (Left)',
+ controller: 0,
+ rotationOffset: data.rotationOffset !== -999 ? data.rotationOffset : offset
+ });
+ this.updateControllerModel();
+ },
+
+ addControllersUpdateListener: function () {
+ this.el.sceneEl.addEventListener('controllersupdated', this.onControllersUpdate, false);
+ },
+
+ removeControllersUpdateListener: function () {
+ this.el.sceneEl.removeEventListener('controllersupdated', this.onControllersUpdate, false);
+ },
+
+ onControllersUpdate: function () {
+ // Note that due to gamepadconnected event propagation issues, we don't rely on events.
+ this.checkIfControllerPresent();
+ },
+
+ onButtonChanged: function (evt) {
+ var button = this.mapping[this.data.hand].buttons[evt.detail.id];
+ var buttonMeshes = this.buttonMeshes;
+ var analogValue;
+
+ if (!button) { return; }
+
+ if (button === 'trigger' || button === 'grip') { analogValue = evt.detail.state.value; }
+
+ // Update trigger and/or grip meshes, if any.
+ if (buttonMeshes) {
+ if (button === 'trigger' && buttonMeshes.trigger) {
+ buttonMeshes.trigger.rotation.x = -analogValue * (Math.PI / 24);
+ }
+ if (button === 'grip' && buttonMeshes.grip) {
+ buttonMeshes.grip.rotation.y = (this.data.hand === 'left' ? -1 : 1) * analogValue * (Math.PI / 60);
+ }
+ }
+
+ // Pass along changed event with button state, using the buttom mapping for convenience.
+ this.el.emit(button + 'changed', evt.detail.state);
+ },
+
+ onModelLoaded: function (evt) {
+ var controllerObject3D = evt.detail.model;
+ var buttonMeshes;
+ if (!this.data.model) { return; }
+
+ var leftHand = this.data.hand === 'left';
+ buttonMeshes = this.buttonMeshes = {};
+
+ buttonMeshes.grip = controllerObject3D.getObjectByName(leftHand ? 'buttonHand_oculus-touch-controller-left.004' : 'buttonHand_oculus-touch-controller-right.005');
+ buttonMeshes.thumbstick = controllerObject3D.getObjectByName(leftHand ? 'stick_oculus-touch-controller-left.007' : 'stick_oculus-touch-controller-right.004');
+ buttonMeshes.trigger = controllerObject3D.getObjectByName(leftHand ? 'buttonTrigger_oculus-touch-controller-left.005' : 'buttonTrigger_oculus-touch-controller-right.006');
+ buttonMeshes.xbutton = controllerObject3D.getObjectByName('buttonX_oculus-touch-controller-left.002');
+ buttonMeshes.abutton = controllerObject3D.getObjectByName('buttonA_oculus-touch-controller-right.002');
+ buttonMeshes.ybutton = controllerObject3D.getObjectByName('buttonY_oculus-touch-controller-left.001');
+ buttonMeshes.bbutton = controllerObject3D.getObjectByName('buttonB_oculus-touch-controller-right.003');
+
+ // Offset pivot point
+ controllerObject3D.position = PIVOT_OFFSET;
+ },
+
+ onAxisMoved: function (evt) {
+ this.emitIfAxesChanged(this, this.mapping[this.data.hand].axes, evt);
+ },
+
+ updateModel: function (buttonName, evtName) {
+ if (!this.data.model) { return; }
+ this.updateButtonModel(buttonName, evtName);
+ },
+
+ updateButtonModel: function (buttonName, state) {
+ var color = (state === 'up' || state === 'touchend') ? this.data.buttonColor : state === 'touchstart' ? this.data.buttonTouchColor : this.data.buttonHighlightColor;
+ var buttonMeshes = this.buttonMeshes;
+ if (!this.data.model) { return; }
+ if (buttonMeshes && buttonMeshes[buttonName]) {
+ buttonMeshes[buttonName].material.color.set(color);
+ }
+ }
+});
+
+},{"../core/component":125,"../utils/bind":189,"../utils/tracked-controls":200}],93:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../core/component').registerComponent;
+
+module.exports.Component = registerComponent('position', {
+ schema: {type: 'vec3'},
+
+ update: function () {
+ var object3D = this.el.object3D;
+ var data = this.data;
+ object3D.position.set(data.x, data.y, data.z);
+ }
+});
+
+},{"../core/component":125}],94:[function(_dereq_,module,exports){
+/* global MutationObserver */
+
+var registerComponent = _dereq_('../core/component').registerComponent;
+var THREE = _dereq_('../lib/three');
+var utils = _dereq_('../utils/');
+
+var warn = utils.debug('components:raycaster:warn');
+
+// Defines selectors that should be 'safe' for the MutationObserver used to
+// refresh the whitelist. Matches classnames, IDs, and presence of attributes.
+// Selectors for the value of an attribute, like [position=0 2 0], cannot be
+// reliably detected and are therefore disallowed.
+var OBSERVER_SELECTOR_RE = /^[\w\s-.,[\]#]*$/;
+
+// Configuration for the MutationObserver used to refresh the whitelist.
+// Listens for addition/removal of elements and attributes within the scene.
+var OBSERVER_CONFIG = {
+ childList: true,
+ attributes: true,
+ subtree: true
+};
+
+/**
+ * Raycaster component.
+ *
+ * Pass options to three.js Raycaster including which objects to test.
+ * Poll for intersections.
+ * Emit event on origin entity and on target entity on intersect.
+ *
+ * @member {array} intersectedEls - List of currently intersected entities.
+ * @member {array} objects - Cached list of meshes to intersect.
+ * @member {number} prevCheckTime - Previous time intersection was checked. To help interval.
+ * @member {object} raycaster - three.js Raycaster.
+ */
+module.exports.Component = registerComponent('raycaster', {
+ schema: {
+ autoRefresh: {default: true},
+ direction: {type: 'vec3', default: {x: 0, y: 0, z: -1}},
+ enabled: {default: true},
+ far: {default: 1000},
+ interval: {default: 0},
+ near: {default: 0},
+ objects: {default: ''},
+ origin: {type: 'vec3'},
+ recursive: {default: true},
+ showLine: {default: false},
+ useWorldCoordinates: {default: false}
+ },
+
+ init: function () {
+ this.clearedIntersectedEls = [];
+ this.unitLineEndVec3 = new THREE.Vector3();
+ this.intersectedEls = [];
+ this.intersections = [];
+ this.newIntersectedEls = [];
+ this.newIntersections = [];
+ this.objects = [];
+ this.prevCheckTime = undefined;
+ this.prevIntersectedEls = [];
+ this.raycaster = new THREE.Raycaster();
+ this.updateOriginDirection();
+ this.setDirty = this.setDirty.bind(this);
+ this.observer = new MutationObserver(this.setDirty);
+ this.dirty = true;
+ this.lineEndVec3 = new THREE.Vector3();
+ this.otherLineEndVec3 = new THREE.Vector3();
+ this.lineData = {end: this.lineEndVec3};
+
+ this.intersectedClearedDetail = {el: this.el};
+ this.intersectionClearedDetail = {clearedEls: this.clearedIntersectedEls};
+ },
+
+ /**
+ * Create or update raycaster object.
+ */
+ update: function (oldData) {
+ var data = this.data;
+ var el = this.el;
+ var raycaster = this.raycaster;
+
+ // Set raycaster properties.
+ raycaster.far = data.far;
+ raycaster.near = data.near;
+
+ // Draw line.
+ if (data.showLine &&
+ (data.far !== oldData.far || data.origin !== oldData.origin ||
+ data.direction !== oldData.direction || !oldData.showLine)) {
+ // Calculate unit vector for line direction. Can be multiplied via scalar to performantly
+ // adjust line length.
+ this.unitLineEndVec3.copy(data.origin).add(data.direction).normalize();
+ this.drawLine();
+ }
+
+ if (!data.showLine && oldData.showLine) {
+ el.removeAttribute('line');
+ }
+
+ if (data.objects !== oldData.objects && !OBSERVER_SELECTOR_RE.test(data.objects)) {
+ warn('Selector "' + data.objects + '" may not update automatically with DOM changes.');
+ }
+
+ if (data.autoRefresh !== oldData.autoRefresh && el.isPlaying) {
+ data.autoRefresh
+ ? this.addEventListeners()
+ : this.removeEventListeners();
+ }
+
+ this.setDirty();
+ },
+
+ play: function () {
+ this.addEventListeners();
+ },
+
+ pause: function () {
+ this.removeEventListeners();
+ },
+
+ remove: function () {
+ if (this.data.showLine) {
+ this.el.removeAttribute('line');
+ }
+ },
+
+ addEventListeners: function () {
+ if (!this.data.autoRefresh) { return; }
+ this.observer.observe(this.el.sceneEl, OBSERVER_CONFIG);
+ this.el.sceneEl.addEventListener('object3dset', this.setDirty);
+ this.el.sceneEl.addEventListener('object3dremove', this.setDirty);
+ },
+
+ removeEventListeners: function () {
+ this.observer.disconnect();
+ this.el.sceneEl.removeEventListener('object3dset', this.setDirty);
+ this.el.sceneEl.removeEventListener('object3dremove', this.setDirty);
+ },
+
+ /**
+ * Mark the object list as dirty, to be refreshed before next raycast.
+ */
+ setDirty: function () {
+ this.dirty = true;
+ },
+
+ /**
+ * Update list of objects to test for intersection.
+ */
+ refreshObjects: function () {
+ var data = this.data;
+ var els;
+
+ // If objects not defined, intersect with everything.
+ els = data.objects
+ ? this.el.sceneEl.querySelectorAll(data.objects)
+ : this.el.sceneEl.children;
+ this.objects = this.flattenChildrenShallow(els);
+ this.dirty = false;
+ },
+
+ /**
+ * Check for intersections and cleared intersections on an interval.
+ */
+ tick: function (time) {
+ var data = this.data;
+ var prevCheckTime = this.prevCheckTime;
+
+ // Only check for intersection if interval time has passed.
+ if (prevCheckTime && (time - prevCheckTime < data.interval)) { return; }
+
+ // Update check time.
+ this.prevCheckTime = time;
+ this.checkIntersections();
+ },
+
+ /**
+ * Raycast for intersections and emit events for current and cleared inersections.
+ */
+ checkIntersections: function () {
+ var clearedIntersectedEls = this.clearedIntersectedEls;
+ var el = this.el;
+ var data = this.data;
+ var i;
+ var intersectedEls = this.intersectedEls;
+ var intersection;
+ var intersections = this.intersections;
+ var lineLength;
+ var newIntersectedEls = this.newIntersectedEls;
+ var newIntersections = this.newIntersections;
+ var prevIntersectedEls = this.prevIntersectedEls;
+ var rawIntersections;
+ var self = this;
+
+ if (!this.data.enabled) { return; }
+
+ // Refresh the object whitelist if needed.
+ if (this.dirty) { this.refreshObjects(); }
+
+ // Store old previously intersected entities.
+ copyArray(this.prevIntersectedEls, this.intersectedEls);
+
+ // Raycast.
+ this.updateOriginDirection();
+ rawIntersections = this.raycaster.intersectObjects(this.objects, data.recursive);
+
+ // Only keep intersections against objects that have a reference to an entity.
+ intersections.length = 0;
+ intersectedEls.length = 0;
+ for (i = 0; i < rawIntersections.length; i++) {
+ intersection = rawIntersections[i];
+ // Don't intersect with own line.
+ if (data.showLine && intersection.object === el.getObject3D('line')) {
+ continue;
+ }
+ if (intersection.object.el) {
+ intersections.push(intersection);
+ intersectedEls.push(intersection.object.el);
+ }
+ }
+
+ // Get newly intersected entities.
+ newIntersections.length = 0;
+ newIntersectedEls.length = 0;
+ for (i = 0; i < intersections.length; i++) {
+ if (prevIntersectedEls.indexOf(intersections[i].object.el) === -1) {
+ newIntersections.push(intersections[i]);
+ newIntersectedEls.push(intersections[i].object.el);
+ }
+ }
+
+ // Emit intersection cleared on both entities per formerly intersected entity.
+ clearedIntersectedEls.length = 0;
+ for (i = 0; i < prevIntersectedEls.length; i++) {
+ if (intersectedEls.indexOf(prevIntersectedEls[i]) !== -1) { continue; }
+ prevIntersectedEls[i].emit('raycaster-intersected-cleared',
+ this.intersectedClearedDetail);
+ clearedIntersectedEls.push(prevIntersectedEls[i]);
+ }
+ if (clearedIntersectedEls.length) {
+ el.emit('raycaster-intersection-cleared', this.intersectionClearedDetail);
+ }
+
+ // Emit intersected on intersected entity per intersected entity.
+ for (i = 0; i < newIntersectedEls.length; i++) {
+ newIntersectedEls[i].emit('raycaster-intersected', {
+ el: el,
+ intersection: newIntersections[i]
+ });
+ }
+
+ // Emit all intersections at once on raycasting entity.
+ if (newIntersections.length) {
+ el.emit('raycaster-intersection', {
+ els: newIntersectedEls,
+ intersections: newIntersections
+ });
+ }
+
+ // Update line length.
+ setTimeout(function () {
+ if (self.data.showLine) {
+ if (intersections.length) {
+ if (intersections[0].object.el === el && intersections[1]) {
+ lineLength = intersections[1].distance;
+ } else {
+ lineLength = intersections[0].distance;
+ }
+ }
+ self.drawLine(lineLength);
+ }
+ });
+ },
+
+ /**
+ * Update origin and direction of raycaster using entity transforms and supplied origin or
+ * direction offsets.
+ */
+ updateOriginDirection: (function () {
+ var direction = new THREE.Vector3();
+ var originVec3 = new THREE.Vector3();
+
+ // Closure to make quaternion/vector3 objects private.
+ return function updateOriginDirection () {
+ var el = this.el;
+ var data = this.data;
+
+ if (data.useWorldCoordinates) {
+ this.raycaster.set(data.origin, data.direction);
+ return;
+ }
+
+ // Grab the position and rotation.
+ el.object3D.updateMatrixWorld();
+ el.object3D.getWorldPosition(originVec3);
+
+ // If non-zero origin, translate the origin into world space.
+ if (data.origin.x !== 0 || data.origin.y !== 0 || data.origin.z !== 0) {
+ originVec3 = el.object3D.localToWorld(originVec3.copy(data.origin));
+ }
+
+ // three.js raycaster direction is relative to 0, 0, 0 NOT the origin / offset we
+ // provide. Apply the offset to the direction, then rotation from the object,
+ // and normalize.
+ direction.copy(data.direction).transformDirection(el.object3D.matrixWorld).normalize();
+
+ // Apply offset and direction, in world coordinates.
+ this.raycaster.set(originVec3, direction);
+ };
+ })(),
+
+ /**
+ * Create or update line to give raycaster visual representation.
+ * Customize the line through through line component.
+ * We draw the line in the raycaster component to customize the line to the
+ * raycaster's origin, direction, and far.
+ *
+ * Unlike the raycaster, we create the line as a child of the object. The line will
+ * be affected by the transforms of the objects, so we don't have to calculate transforms
+ * like we do with the raycaster.
+ *
+ * @param {number} length - Length of line. Pass in to shorten the line to the intersection
+ * point. If not provided, length will default to the max length, `raycaster.far`.
+ */
+ drawLine: function (length) {
+ var data = this.data;
+ var el = this.el;
+ var endVec3;
+
+ // Switch each time vector so line update triggered and to avoid unnecessary vector clone.
+ endVec3 = this.lineData.end === this.lineEndVec3
+ ? this.otherLineEndVec3
+ : this.lineEndVec3;
+
+ // Treat Infinity as 1000m for the line.
+ if (length === undefined) {
+ length = data.far === Infinity ? 1000 : data.far;
+ }
+
+ // Update the length of the line if given. `unitLineEndVec3` is the direction
+ // given by data.direction, then we apply a scalar to give it a length.
+ this.lineData.start = data.origin;
+ this.lineData.end = endVec3.copy(this.unitLineEndVec3).multiplyScalar(length);
+ el.setAttribute('line', this.lineData);
+ },
+
+ /**
+ * Return children of each element's object3D group. Children are flattened
+ * by one level, removing the THREE.Group wrapper, so that non-recursive
+ * raycasting remains useful.
+ *
+ * @param {Array<Element>} els
+ * @return {Array<THREE.Object3D>}
+ */
+ flattenChildrenShallow: (function () {
+ var groups = [];
+
+ return function (els) {
+ var children;
+ var i;
+ var objects = this.objects;
+
+ // Push meshes onto list of objects to intersect.
+ groups.length = 0;
+ for (i = 0; i < els.length; i++) {
+ if (els[i].object3D) {
+ groups.push(els[i].object3D);
+ }
+ }
+
+ // Each entity's root is a THREE.Group. Return the group's chilrden.
+ objects.length = 0;
+ for (i = 0; i < groups.length; i++) {
+ children = groups[i].children;
+ if (children && children.length) {
+ objects.push.apply(objects, children);
+ }
+ }
+ return objects;
+ };
+ })()
+});
+
+/**
+ * Copy contents of one array to another without allocating new array.
+ */
+function copyArray (a, b) {
+ var i;
+ a.length = b.length;
+ for (i = 0; i < b.length; i++) {
+ a[i] = b[i];
+ }
+}
+
+},{"../core/component":125,"../lib/three":173,"../utils/":195}],95:[function(_dereq_,module,exports){
+var degToRad = _dereq_('../lib/three').Math.degToRad;
+var registerComponent = _dereq_('../core/component').registerComponent;
+
+module.exports.Component = registerComponent('rotation', {
+ schema: {type: 'vec3'},
+
+ /**
+ * Updates object3D rotation.
+ */
+ update: function () {
+ var data = this.data;
+ var object3D = this.el.object3D;
+ object3D.rotation.set(degToRad(data.x), degToRad(data.y), degToRad(data.z));
+ object3D.rotation.order = 'YXZ';
+ }
+});
+
+},{"../core/component":125,"../lib/three":173}],96:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../core/component').registerComponent;
+
+// Avoids triggering a zero-determinant which makes object3D matrix non-invertible.
+var zeroScale = 0.00001;
+
+module.exports.Component = registerComponent('scale', {
+ schema: {
+ type: 'vec3',
+ default: {x: 1, y: 1, z: 1}
+ },
+
+ update: function () {
+ var data = this.data;
+ var object3D = this.el.object3D;
+ var x = data.x === 0 ? zeroScale : data.x;
+ var y = data.y === 0 ? zeroScale : data.y;
+ var z = data.z === 0 ? zeroScale : data.z;
+ object3D.scale.set(x, y, z);
+ }
+});
+
+},{"../core/component":125}],97:[function(_dereq_,module,exports){
+/* global THREE */
+var register = _dereq_('../../core/component').registerComponent;
+
+module.exports.Component = register('background', {
+ schema: {
+ color: {type: 'color', default: 'black'},
+ transparent: {default: false}
+ },
+ update: function () {
+ var data = this.data;
+ var object3D = this.el.object3D;
+ if (data.transparent) {
+ object3D.background = null;
+ return;
+ }
+ object3D.background = new THREE.Color(data.color);
+ }
+});
+
+},{"../../core/component":125}],98:[function(_dereq_,module,exports){
+var register = _dereq_('../../core/component').registerComponent;
+
+module.exports.Component = register('debug', {
+ schema: {default: true}
+});
+
+},{"../../core/component":125}],99:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../../core/component').registerComponent;
+
+/**
+ * Component to embed an a-frame scene within the layout of a 2D page.
+ */
+module.exports.Component = registerComponent('embedded', {
+ dependencies: ['vr-mode-ui'],
+
+ schema: {default: true},
+
+ update: function () {
+ var sceneEl = this.el;
+ var enterVREl = sceneEl.querySelector('.a-enter-vr');
+ if (this.data === true) {
+ if (enterVREl) { enterVREl.classList.add('embedded'); }
+ sceneEl.removeFullScreenStyles();
+ } else {
+ if (enterVREl) { enterVREl.classList.remove('embedded'); }
+ sceneEl.addFullScreenStyles();
+ }
+ }
+
+});
+
+},{"../../core/component":125}],100:[function(_dereq_,module,exports){
+var register = _dereq_('../../core/component').registerComponent;
+var THREE = _dereq_('../../lib/three');
+var debug = _dereq_('../../utils/debug');
+
+var warn = debug('components:fog:warn');
+
+/**
+ * Fog component.
+ * Applies only to the scene entity.
+ */
+module.exports.Component = register('fog', {
+ schema: {
+ color: {type: 'color', default: '#000'},
+ density: {default: 0.00025},
+ far: {default: 1000, min: 0},
+ near: {default: 1, min: 0},
+ type: {default: 'linear', oneOf: ['linear', 'exponential']}
+ },
+
+ update: function () {
+ var data = this.data;
+ var el = this.el;
+ var fog = this.el.object3D.fog;
+
+ if (!el.isScene) {
+ warn('Fog component can only be applied to <a-scene>');
+ return;
+ }
+
+ // (Re)create fog if fog doesn't exist or fog type changed.
+ if (!fog || data.type !== fog.name) {
+ el.object3D.fog = getFog(data);
+ el.systems.material.updateMaterials();
+ return;
+ }
+
+ // Fog data changed. Update fog.
+ Object.keys(this.schema).forEach(function (key) {
+ var value = data[key];
+ if (key === 'color') { value = new THREE.Color(value); }
+ fog[key] = value;
+ });
+ },
+
+ /**
+ * Remove fog on remove (callback).
+ */
+ remove: function () {
+ var fog = this.el.object3D.fog;
+ if (!fog) { return; }
+ fog.far = 0;
+ fog.near = 0.1;
+ }
+});
+
+/**
+ * Creates a fog object. Sets fog.name to be able to detect fog type changes.
+ *
+ * @param {object} data - Fog data.
+ * @returns {object} fog
+ */
+function getFog (data) {
+ var fog;
+ if (data.type === 'exponential') {
+ fog = new THREE.FogExp2(data.color, data.density);
+ } else {
+ fog = new THREE.Fog(data.color, data.near, data.far);
+ }
+ fog.name = data.type;
+ return fog;
+}
+
+},{"../../core/component":125,"../../lib/three":173,"../../utils/debug":191}],101:[function(_dereq_,module,exports){
+(function (process){
+/* global AFRAME */
+var AFRAME_INJECTED = _dereq_('../../constants').AFRAME_INJECTED;
+var bind = _dereq_('../../utils/bind');
+var pkg = _dereq_('../../../package');
+var registerComponent = _dereq_('../../core/component').registerComponent;
+
+/**
+ * 0.4.2 to 0.4.x
+ * Will need to update this when A-Frame goes to 1.x.x.
+ */
+function getFuzzyPatchVersion (version) {
+ var split = version.split('.');
+ split[2] = 'x';
+ return split.join('.');
+}
+
+var INSPECTOR_DEV_URL = 'https://aframe.io/aframe-inspector/dist/aframe-inspector.js';
+var INSPECTOR_RELEASE_URL = 'https://unpkg.com/aframe-inspector@' + getFuzzyPatchVersion(pkg.version) + '/dist/aframe-inspector.min.js';
+var INSPECTOR_URL = process.env.INSPECTOR_VERSION === 'dev' ? INSPECTOR_DEV_URL : INSPECTOR_RELEASE_URL;
+var LOADING_MESSAGE = 'Loading Inspector';
+var LOADING_ERROR_MESSAGE = 'Error loading Inspector';
+
+module.exports.Component = registerComponent('inspector', {
+ schema: {
+ url: {default: INSPECTOR_URL}
+ },
+
+ init: function () {
+ this.onKeydown = bind(this.onKeydown, this);
+ this.onMessage = bind(this.onMessage, this);
+ this.initOverlay();
+ window.addEventListener('keydown', this.onKeydown);
+ window.addEventListener('message', this.onMessage);
+ },
+
+ initOverlay: function () {
+ var dotsHTML = '<span class="dots"><span>.</span><span>.</span><span>.</span></span>';
+ this.loadingMessageEl = document.createElement('div');
+ this.loadingMessageEl.classList.add('a-inspector-loader');
+ this.loadingMessageEl.innerHTML = LOADING_MESSAGE + dotsHTML;
+ },
+
+ remove: function () {
+ this.removeEventListeners();
+ },
+
+ /**
+ * <ctrl> + <alt> + i keyboard shortcut.
+ */
+ onKeydown: function (evt) {
+ var shortcutPressed = evt.keyCode === 73 && evt.ctrlKey && evt.altKey;
+ if (!this.data || !shortcutPressed) { return; }
+ this.injectInspector();
+ },
+
+ showLoader: function () {
+ document.body.appendChild(this.loadingMessageEl);
+ },
+
+ hideLoader: function () {
+ document.body.removeChild(this.loadingMessageEl);
+ },
+
+ /**
+ * postMessage. aframe.io uses this to create a button on examples to open Inspector.
+ */
+ onMessage: function (evt) {
+ if (evt.data === 'INJECT_AFRAME_INSPECTOR') { this.injectInspector(); }
+ },
+
+ injectInspector: function () {
+ var self = this;
+ var script;
+
+ if (AFRAME.INSPECTOR || AFRAME.inspectorInjected) { return; }
+
+ this.showLoader();
+
+ // Inject.
+ script = document.createElement('script');
+ script.src = this.data.url;
+ script.setAttribute('data-name', 'aframe-inspector');
+ script.setAttribute(AFRAME_INJECTED, '');
+ script.onload = function () {
+ AFRAME.INSPECTOR.open();
+ self.hideLoader();
+ self.removeEventListeners();
+ };
+ script.onerror = function () {
+ self.loadingMessageEl.innerHTML = LOADING_ERROR_MESSAGE;
+ };
+ document.head.appendChild(script);
+ AFRAME.inspectorInjected = true;
+ },
+
+ removeEventListeners: function () {
+ window.removeEventListener('keydown', this.onKeydown);
+ window.removeEventListener('message', this.onMessage);
+ }
+});
+
+}).call(this,_dereq_('_process'))
+
+},{"../../../package":75,"../../constants":116,"../../core/component":125,"../../utils/bind":189,"_process":6}],102:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../../core/component').registerComponent;
+var shouldCaptureKeyEvent = _dereq_('../../utils/').shouldCaptureKeyEvent;
+
+module.exports.Component = registerComponent('keyboard-shortcuts', {
+ schema: {
+ enterVR: {default: true},
+ exitVR: {default: true}
+ },
+
+ init: function () {
+ var self = this;
+ var scene = this.el;
+
+ this.listener = window.addEventListener('keyup', function (event) {
+ if (!shouldCaptureKeyEvent(event)) { return; }
+ if (self.enterVREnabled && event.keyCode === 70) { // f.
+ scene.enterVR();
+ }
+ if (self.enterVREnabled && event.keyCode === 27) { // escape.
+ scene.exitVR();
+ }
+ }, false);
+ },
+
+ update: function (oldData) {
+ var data = this.data;
+ this.enterVREnabled = data.enterVR;
+ },
+
+ remove: function () {
+ window.removeEventListener('keyup', this.listener);
+ }
+});
+
+},{"../../core/component":125,"../../utils/":195}],103:[function(_dereq_,module,exports){
+var debug = _dereq_('../../utils/debug');
+var registerComponent = _dereq_('../../core/component').registerComponent;
+
+var warn = debug('components:pool:warn');
+
+/**
+ * Pool component.
+ * A pool of entities that will be reused.
+ * It avoids creating and destroying the same kind of entities
+ * in dynamic scenes. It will help reduce GC pauses. Useful for example
+ * in a game where you want to reuse enemies entities.
+ *
+ * @member {array} availableEls - Available entities in the pool.
+ * @member {array} usedEls - Entities of the pool in use.
+ *
+ */
+module.exports.Component = registerComponent('pool', {
+ schema: {
+ mixin: {default: ''},
+ size: {default: 0},
+ dynamic: {default: false}
+ },
+
+ multiple: true,
+
+ initPool: function () {
+ var i;
+ var mixin = this.data.mixin;
+ if (!mixin) { return; }
+ this.availableEls = [];
+ this.usedEls = [];
+ for (i = 0; i < this.data.size; ++i) {
+ this.createEntity();
+ }
+ },
+
+ update: function (oldData) {
+ var data = this.data;
+ if (oldData.mixin !== data.mixin || oldData.size !== data.size) {
+ this.initPool();
+ }
+ },
+
+ /**
+ * Add a new entity to the list of available entities.
+ */
+ createEntity: function () {
+ var el = document.createElement('a-entity');
+ el.play = this.wrapPlay(el.play);
+ el.setAttribute('mixin', this.data.mixin);
+ el.setAttribute('visible', false);
+ this.el.appendChild(el);
+ this.availableEls.push(el);
+ },
+
+ /**
+ * Play wrapper for pooled entities. When pausing and playing
+ * a scene we don't want to play the entities that are not in use
+ */
+ wrapPlay: function (playMethod) {
+ var usedEls = this.usedEls;
+ return function () {
+ if (usedEls.indexOf(this) === -1) { return; }
+ playMethod.call(this);
+ };
+ },
+
+ /**
+ * Used to request one of the available entities of the pool
+ */
+ requestEntity: function () {
+ var el;
+ if (this.availableEls.length === 0) {
+ if (this.data.dynamic === false) {
+ warn('Requested entity from empty pool ' + this.name);
+ return;
+ } else {
+ warn('Requested entity from empty pool. This pool is dynamic' +
+ 'and will resize automatically. You might want to increase its initial size' + this.name);
+ }
+ this.createEntity();
+ }
+ el = this.availableEls.shift();
+ this.usedEls.push(el);
+ el.setAttribute('visible', true);
+ return el;
+ },
+
+ /**
+ * Used to return a used entity to the pool
+ */
+ returnEntity: function (el) {
+ var index = this.usedEls.indexOf(el);
+ if (index === -1) {
+ warn('The returned entity was not previously pooled from ' + this.name);
+ return;
+ }
+ this.usedEls.splice(index, 1);
+ this.availableEls.push(el);
+ el.setAttribute('visible', false);
+ el.pause();
+ }
+});
+
+},{"../../core/component":125,"../../utils/debug":191}],104:[function(_dereq_,module,exports){
+/* global ImageData, URL */
+var registerComponent = _dereq_('../../core/component').registerComponent;
+var THREE = _dereq_('../../lib/three');
+
+var VERTEX_SHADER = [
+ 'attribute vec3 position;',
+ 'attribute vec2 uv;',
+ 'uniform mat4 projectionMatrix;',
+ 'uniform mat4 modelViewMatrix;',
+ 'varying vec2 vUv;',
+ 'void main() {',
+ ' vUv = vec2( 1.- uv.x, uv.y );',
+ ' gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );',
+ '}'
+].join('\n');
+
+var FRAGMENT_SHADER = [
+ 'precision mediump float;',
+ 'uniform samplerCube map;',
+ 'varying vec2 vUv;',
+ '#define M_PI 3.141592653589793238462643383279',
+ 'void main() {',
+ ' vec2 uv = vUv;',
+ ' float longitude = uv.x * 2. * M_PI - M_PI + M_PI / 2.;',
+ ' float latitude = uv.y * M_PI;',
+ ' vec3 dir = vec3(',
+ ' - sin( longitude ) * sin( latitude ),',
+ ' cos( latitude ),',
+ ' - cos( longitude ) * sin( latitude )',
+ ' );',
+ ' normalize( dir );',
+ ' gl_FragColor = vec4( textureCube( map, dir ).rgb, 1.0 );',
+ '}'
+].join('\n');
+
+/**
+ * Component to take screenshots of the scene using a keboard shortcut (alt+s).
+ * It can be configured to either take 360° captures (`equirectangular`)
+ * or regular screenshots (`projection`)
+ *
+ * This is based on https://github.com/spite/THREE.CubemapToEquirectangular
+ * To capture an equirectangular projection of the scene a THREE.CubeCamera is used
+ * The cube map produced by the CubeCamera is projected on a quad and then rendered to
+ * WebGLRenderTarget with an ortographic camera.
+ */
+module.exports.Component = registerComponent('screenshot', {
+ schema: {
+ width: {default: 4096},
+ height: {default: 2048},
+ camera: {type: 'selector'}
+ },
+
+ init: function () {
+ var el = this.el;
+ var self = this;
+
+ if (el.renderer) {
+ setup();
+ } else {
+ el.addEventListener('render-target-loaded', setup);
+ }
+
+ function setup () {
+ var gl = el.renderer.getContext();
+ if (!gl) { return; }
+ self.cubeMapSize = gl.getParameter(gl.MAX_CUBE_MAP_TEXTURE_SIZE);
+ self.material = new THREE.RawShaderMaterial({
+ uniforms: {map: {type: 't', value: null}},
+ vertexShader: VERTEX_SHADER,
+ fragmentShader: FRAGMENT_SHADER,
+ side: THREE.DoubleSide
+ });
+ self.quad = new THREE.Mesh(
+ new THREE.PlaneBufferGeometry(1, 1),
+ self.material
+ );
+ self.quad.visible = false;
+ self.camera = new THREE.OrthographicCamera(-1 / 2, 1 / 2, 1 / 2, -1 / 2, -10000, 10000);
+ self.canvas = document.createElement('canvas');
+ self.ctx = self.canvas.getContext('2d');
+ if (el.camera) { el.camera.add(self.quad); }
+ self.onKeyDown = self.onKeyDown.bind(self);
+ self.onCameraActive = self.onCameraActive.bind(self);
+ el.addEventListener('camera-set-active', self.onCameraActive);
+ }
+ },
+
+ getRenderTarget: function (width, height) {
+ return new THREE.WebGLRenderTarget(width, height, {
+ minFilter: THREE.LinearFilter,
+ magFilter: THREE.LinearFilter,
+ wrapS: THREE.ClampToEdgeWrapping,
+ wrapT: THREE.ClampToEdgeWrapping,
+ format: THREE.RGBAFormat,
+ type: THREE.UnsignedByteType
+ });
+ },
+
+ resize: function (width, height) {
+ // Resize quad.
+ this.quad.scale.set(width, height, 1);
+
+ // Resize camera.
+ this.camera.left = -1 * width / 2;
+ this.camera.right = width / 2;
+ this.camera.top = height / 2;
+ this.camera.bottom = -1 * height / 2;
+ this.camera.updateProjectionMatrix();
+
+ // Resize canvas.
+ this.canvas.width = width;
+ this.canvas.height = height;
+ },
+
+ play: function () {
+ window.addEventListener('keydown', this.onKeyDown);
+ },
+
+ onCameraActive: function (evt) {
+ var cameraParent = this.quad.parent;
+ if (cameraParent) { cameraParent.remove(this.quad); }
+ evt.detail.cameraEl.getObject3D('camera').add(this.quad);
+ },
+
+ /**
+ * <ctrl> + <alt> + s = Regular screenshot.
+ * <ctrl> + <alt> + <shift> + s = Equirectangular screenshot.
+ */
+ onKeyDown: function (evt) {
+ var shortcutPressed = evt.keyCode === 83 && evt.ctrlKey && evt.altKey;
+ if (!this.data || !shortcutPressed) { return; }
+ var projection = evt.shiftKey ? 'equirectangular' : 'perspective';
+ this.capture(projection);
+ },
+
+ /**
+ * Capture a screenshot of the scene.
+ *
+ * @param {string} projection - Screenshot projection (equirectangular or perspective).
+ */
+ setCapture: function (projection) {
+ var el = this.el;
+ var size;
+ var camera;
+ var cubeCamera;
+ // Configure camera.
+ if (projection === 'perspective') {
+ // Quad is only used in equirectangular mode. Hide it in this case.
+ this.quad.visible = false;
+ // Use scene camera.
+ camera = (this.data.camera && this.data.camera.components.camera.camera) || el.camera;
+ size = {width: this.data.width, height: this.data.height};
+ } else {
+ // Use ortho camera.
+ camera = this.camera;
+ // Copy position and rotation of scene camera into the ortho one.
+ camera.position.copy(el.camera.getWorldPosition());
+ camera.rotation.copy(el.camera.getWorldRotation());
+ // Create cube camera and copy position from scene camera.
+ cubeCamera = new THREE.CubeCamera(el.camera.near, el.camera.far,
+ Math.min(this.cubeMapSize, 2048));
+ cubeCamera.position.copy(el.camera.getWorldPosition());
+ cubeCamera.rotation.copy(el.camera.getWorldRotation());
+ // Render scene with cube camera.
+ cubeCamera.updateCubeMap(el.renderer, el.object3D);
+ this.quad.material.uniforms.map.value = cubeCamera.renderTarget.texture;
+ size = {width: this.data.width, height: this.data.height};
+ // Use quad to project image taken by the cube camera.
+ this.quad.visible = true;
+ }
+ return {
+ camera: camera,
+ size: size,
+ projection: projection
+ };
+ },
+
+ /**
+ * Maintained for backwards compatibility.
+ */
+ capture: function (projection) {
+ var params = this.setCapture(projection);
+ this.renderCapture(params.camera, params.size, params.projection);
+ // Trigger file download.
+ this.saveCapture();
+ },
+
+ /**
+ * Return canvas instead of triggering download (e.g., for uploading blob to server).
+ */
+ getCanvas: function (projection) {
+ var params = this.setCapture(projection);
+ this.renderCapture(params.camera, params.size, params.projection);
+ return this.canvas;
+ },
+
+ renderCapture: function (camera, size, projection) {
+ var autoClear = this.el.renderer.autoClear;
+ var el = this.el;
+ var imageData;
+ var output;
+ var pixels;
+ var renderer = this.el.renderer;
+ // Create rendering target and buffer to store the read pixels.
+ output = this.getRenderTarget(size.width, size.height);
+ pixels = new Uint8Array(4 * size.width * size.height);
+ // Resize quad, camera, and canvas.
+ this.resize(size.width, size.height);
+ // Render scene to render target.
+ renderer.autoClear = true;
+ renderer.render(el.object3D, camera, output, true);
+ renderer.autoClear = autoClear;
+ // Read image pizels back.
+ renderer.readRenderTargetPixels(output, 0, 0, size.width, size.height, pixels);
+ if (projection === 'perspective') {
+ pixels = this.flipPixelsVertically(pixels, size.width, size.height);
+ }
+ imageData = new ImageData(new Uint8ClampedArray(pixels), size.width, size.height);
+ // Hide quad after projecting the image.
+ this.quad.visible = false;
+ // Copy pixels into canvas.
+ this.ctx.putImageData(imageData, 0, 0);
+ },
+
+ flipPixelsVertically: function (pixels, width, height) {
+ var flippedPixels = pixels.slice(0);
+ for (var x = 0; x < width; ++x) {
+ for (var y = 0; y < height; ++y) {
+ flippedPixels[x * 4 + y * width * 4] = pixels[x * 4 + (height - y) * width * 4];
+ flippedPixels[x * 4 + 1 + y * width * 4] = pixels[x * 4 + 1 + (height - y) * width * 4];
+ flippedPixels[x * 4 + 2 + y * width * 4] = pixels[x * 4 + 2 + (height - y) * width * 4];
+ flippedPixels[x * 4 + 3 + y * width * 4] = pixels[x * 4 + 3 + (height - y) * width * 4];
+ }
+ }
+ return flippedPixels;
+ },
+
+ /**
+ * Download capture to file.
+ */
+ saveCapture: function () {
+ this.canvas.toBlob(function (blob) {
+ var fileName = 'screenshot-' + document.title.toLowerCase() + '-' + Date.now() + '.png';
+ var linkEl = document.createElement('a');
+ var url = URL.createObjectURL(blob);
+ linkEl.href = url;
+ linkEl.setAttribute('download', fileName);
+ linkEl.innerHTML = 'downloading...';
+ linkEl.style.display = 'none';
+ document.body.appendChild(linkEl);
+ setTimeout(function () {
+ linkEl.click();
+ document.body.removeChild(linkEl);
+ }, 1);
+ }, 'image/png');
+ }
+});
+
+},{"../../core/component":125,"../../lib/three":173}],105:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../../core/component').registerComponent;
+var RStats = _dereq_('../../../vendor/rStats');
+var utils = _dereq_('../../utils');
+_dereq_('../../../vendor/rStats.extras');
+_dereq_('../../lib/rStatsAframe');
+
+var AFrameStats = window.aframeStats;
+var bind = utils.bind;
+var HIDDEN_CLASS = 'a-hidden';
+var ThreeStats = window.threeStats;
+
+/**
+ * Stats appended to document.body by RStats.
+ */
+module.exports.Component = registerComponent('stats', {
+ schema: {default: true},
+
+ init: function () {
+ var scene = this.el;
+
+ if (utils.getUrlParameter('stats') === 'false') { return; }
+
+ this.stats = createStats(scene);
+ this.statsEl = document.querySelector('.rs-base');
+
+ this.hideBound = bind(this.hide, this);
+ this.showBound = bind(this.show, this);
+
+ scene.addEventListener('enter-vr', this.hideBound);
+ scene.addEventListener('exit-vr', this.showBound);
+ },
+
+ update: function () {
+ if (!this.stats) { return; }
+ return (!this.data) ? this.hide() : this.show();
+ },
+
+ remove: function () {
+ this.el.removeEventListener('enter-vr', this.hideBound);
+ this.el.removeEventListener('exit-vr', this.showBound);
+ if (!this.statsEl) { return; } // Scene detached.
+ this.statsEl.parentNode.removeChild(this.statsEl);
+ },
+
+ tick: function () {
+ var stats = this.stats;
+
+ if (!stats) { return; }
+
+ stats('rAF').tick();
+ stats('FPS').frame();
+ stats().update();
+ },
+
+ hide: function () {
+ this.statsEl.classList.add(HIDDEN_CLASS);
+ },
+
+ show: function () {
+ this.statsEl.classList.remove(HIDDEN_CLASS);
+ }
+});
+
+function createStats (scene) {
+ var threeStats = new ThreeStats(scene.renderer);
+ var aframeStats = new AFrameStats(scene);
+ var plugins = scene.isMobile ? [] : [threeStats, aframeStats];
+ return new RStats({
+ css: [], // Our stylesheet is injected from `src/index.js`.
+ values: {
+ fps: {caption: 'fps', below: 30}
+ },
+ groups: [
+ {caption: 'Framerate', values: ['fps', 'raf']}
+ ],
+ plugins: plugins
+ });
+}
+
+},{"../../../vendor/rStats":202,"../../../vendor/rStats.extras":201,"../../core/component":125,"../../lib/rStatsAframe":172,"../../utils":195}],106:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../../core/component').registerComponent;
+var constants = _dereq_('../../constants/');
+var utils = _dereq_('../../utils/');
+var bind = utils.bind;
+
+var ENTER_VR_CLASS = 'a-enter-vr';
+var ENTER_VR_BTN_CLASS = 'a-enter-vr-button';
+var HIDDEN_CLASS = 'a-hidden';
+var ORIENTATION_MODAL_CLASS = 'a-orientation-modal';
+
+/**
+ * UI for entering VR mode.
+ */
+module.exports.Component = registerComponent('vr-mode-ui', {
+ dependencies: ['canvas'],
+
+ schema: {
+ enabled: {default: true}
+ },
+
+ init: function () {
+ var self = this;
+ var sceneEl = this.el;
+
+ if (utils.getUrlParameter('ui') === 'false') { return; }
+
+ this.insideLoader = false;
+ this.enterVREl = null;
+ this.orientationModalEl = null;
+ this.bindMethods();
+
+ // Hide/show VR UI when entering/exiting VR mode.
+ sceneEl.addEventListener('enter-vr', this.updateEnterVRInterface);
+ sceneEl.addEventListener('exit-vr', this.updateEnterVRInterface);
+
+ window.addEventListener('message', function (event) {
+ if (event.data.type === 'loaderReady') {
+ self.insideLoader = true;
+ self.remove();
+ }
+ });
+
+ // Modal that tells the user to change orientation if in portrait.
+ window.addEventListener('orientationchange', this.toggleOrientationModalIfNeeded);
+ },
+
+ bindMethods: function () {
+ this.onEnterVRButtonClick = bind(this.onEnterVRButtonClick, this);
+ this.onModalClick = bind(this.onModalClick, this);
+ this.toggleOrientationModalIfNeeded = bind(this.toggleOrientationModalIfNeeded, this);
+ this.updateEnterVRInterface = bind(this.updateEnterVRInterface, this);
+ },
+
+ /**
+ * Exit VR when modal clicked.
+ */
+ onModalClick: function () {
+ this.el.exitVR();
+ },
+
+ /**
+ * Enter VR when modal clicked.
+ */
+ onEnterVRButtonClick: function () {
+ this.el.enterVR();
+ },
+
+ update: function () {
+ var sceneEl = this.el;
+
+ if (!this.data.enabled || this.insideLoader || utils.getUrlParameter('ui') === 'false') {
+ return this.remove();
+ }
+ if (this.enterVREl || this.orientationModalEl) { return; }
+
+ // Add UI if enabled and not already present.
+ this.enterVREl = createEnterVRButton(this.onEnterVRButtonClick);
+ sceneEl.appendChild(this.enterVREl);
+
+ this.orientationModalEl = createOrientationModal(this.onModalClick);
+ sceneEl.appendChild(this.orientationModalEl);
+
+ this.updateEnterVRInterface();
+ },
+
+ remove: function () {
+ [this.enterVREl, this.orientationModalEl].forEach(function (uiElement) {
+ if (uiElement) {
+ uiElement.parentNode.removeChild(uiElement);
+ }
+ });
+ },
+
+ updateEnterVRInterface: function () {
+ this.toggleEnterVRButtonIfNeeded();
+ this.toggleOrientationModalIfNeeded();
+ },
+
+ toggleEnterVRButtonIfNeeded: function () {
+ var sceneEl = this.el;
+ if (!this.enterVREl) { return; }
+ if (sceneEl.is('vr-mode')) {
+ this.enterVREl.classList.add(HIDDEN_CLASS);
+ } else {
+ this.enterVREl.classList.remove(HIDDEN_CLASS);
+ }
+ },
+
+ toggleOrientationModalIfNeeded: function () {
+ var sceneEl = this.el;
+ var orientationModalEl = this.orientationModalEl;
+ if (!orientationModalEl || !sceneEl.isMobile) { return; }
+ if (!utils.device.isLandscape() && sceneEl.is('vr-mode')) {
+ // Show if in VR mode on portrait.
+ orientationModalEl.classList.remove(HIDDEN_CLASS);
+ } else {
+ orientationModalEl.classList.add(HIDDEN_CLASS);
+ }
+ }
+});
+
+/**
+ * Create a button that when clicked will enter into stereo-rendering mode for VR.
+ *
+ * Structure: <div><button></div>
+ *
+ * @param {function} onClick - click event handler
+ * @returns {Element} Wrapper <div>.
+ */
+function createEnterVRButton (onClick) {
+ var vrButton;
+ var wrapper;
+
+ // Create elements.
+ wrapper = document.createElement('div');
+ wrapper.classList.add(ENTER_VR_CLASS);
+ wrapper.setAttribute(constants.AFRAME_INJECTED, '');
+ vrButton = document.createElement('button');
+ vrButton.className = ENTER_VR_BTN_CLASS;
+ vrButton.setAttribute('title', 'Enter VR mode with a headset or fullscreen mode on a desktop. Visit https://webvr.rocks or https://webvr.info for more information.');
+ vrButton.setAttribute(constants.AFRAME_INJECTED, '');
+
+ // Insert elements.
+ wrapper.appendChild(vrButton);
+ vrButton.addEventListener('click', function (evt) {
+ onClick();
+ });
+ return wrapper;
+}
+
+/**
+ * Creates a modal dialog to request the user to switch to landscape orientation.
+ *
+ * @param {function} onClick - click event handler
+ * @returns {Element} Wrapper <div>.
+ */
+function createOrientationModal (onClick) {
+ var modal = document.createElement('div');
+ modal.className = ORIENTATION_MODAL_CLASS;
+ modal.classList.add(HIDDEN_CLASS);
+ modal.setAttribute(constants.AFRAME_INJECTED, '');
+
+ var exit = document.createElement('button');
+ exit.setAttribute(constants.AFRAME_INJECTED, '');
+ exit.innerHTML = 'Exit VR';
+
+ // Exit VR on close.
+ exit.addEventListener('click', onClick);
+
+ modal.appendChild(exit);
+
+ return modal;
+}
+
+},{"../../constants/":116,"../../core/component":125,"../../utils/":195}],107:[function(_dereq_,module,exports){
+var component = _dereq_('../core/component');
+var THREE = _dereq_('../lib/three');
+var bind = _dereq_('../utils/bind');
+var registerComponent = component.registerComponent;
+
+/**
+ * Shadow component.
+ *
+ * When applied to an entity, that entity's geometry and any descendants will cast or receive
+ * shadows as specified by the `cast` and `receive` properties.
+ */
+module.exports.Component = registerComponent('shadow', {
+ schema: {
+ cast: {default: true},
+ receive: {default: true}
+ },
+
+ init: function () {
+ this.onMeshChanged = bind(this.update, this);
+ this.el.addEventListener('object3dset', this.onMeshChanged);
+ this.system.setShadowMapEnabled(true);
+ },
+
+ update: function () {
+ var data = this.data;
+ this.updateDescendants(data.cast, data.receive);
+ },
+
+ remove: function () {
+ var el = this.el;
+ el.removeEventListener('object3dset', this.onMeshChanged);
+ this.updateDescendants(false, false);
+ },
+
+ updateDescendants: function (cast, receive) {
+ var sceneEl = this.el.sceneEl;
+ this.el.object3D.traverse(function (node) {
+ if (!(node instanceof THREE.Mesh)) { return; }
+
+ node.castShadow = cast;
+ node.receiveShadow = receive;
+
+ // If scene has already rendered, materials must be updated.
+ if (sceneEl.hasLoaded && node.material) {
+ var materials = node.material.materials || [node.material];
+ for (var i = 0; i < materials.length; i++) {
+ materials[i].needsUpdate = true;
+ }
+ }
+ });
+ }
+});
+
+},{"../core/component":125,"../lib/three":173,"../utils/bind":189}],108:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../core/component').registerComponent;
+var debug = _dereq_('../utils/debug');
+var bind = _dereq_('../utils/bind');
+var THREE = _dereq_('../lib/three');
+
+var warn = debug('components:sound:warn');
+
+/**
+ * Sound component.
+ */
+module.exports.Component = registerComponent('sound', {
+ schema: {
+ autoplay: {default: false},
+ distanceModel: {default: 'inverse',
+ oneOf: ['linear', 'inverse', 'exponential']},
+ loop: {default: false},
+ maxDistance: {default: 10000},
+ on: {default: ''},
+ poolSize: {default: 1},
+ positional: {default: true},
+ refDistance: {default: 1},
+ rolloffFactor: {default: 1},
+ src: {type: 'audio'},
+ volume: {default: 1}
+ },
+
+ multiple: true,
+
+ init: function () {
+ this.listener = null;
+ this.audioLoader = new THREE.AudioLoader();
+ this.pool = new THREE.Group();
+ this.loaded = false;
+ this.mustPlay = false;
+ this.playSound = bind(this.playSound, this);
+ },
+
+ update: function (oldData) {
+ var data = this.data;
+ var srcChanged = data.src !== oldData.src;
+ // Create new sound if not yet created or changing `src`.
+ if (srcChanged) {
+ if (!data.src) {
+ warn('Audio source was not specified with `src`');
+ return;
+ }
+ this.setupSound();
+ }
+
+ this.pool.children.forEach(function (sound) {
+ if (data.positional) {
+ sound.setDistanceModel(data.distanceModel);
+ sound.setMaxDistance(data.maxDistance);
+ sound.setRefDistance(data.refDistance);
+ sound.setRolloffFactor(data.rolloffFactor);
+ }
+ sound.setLoop(data.loop);
+ sound.setVolume(data.volume);
+ sound.isPaused = false;
+ });
+
+ if (data.on !== oldData.on) {
+ this.updateEventListener(oldData.on);
+ }
+ // All sound values set. Load in `src`.
+ if (srcChanged) {
+ var self = this;
+
+ this.loaded = false;
+ this.audioLoader.load(data.src, function (buffer) {
+ self.pool.children.forEach(function (sound) {
+ sound.setBuffer(buffer);
+ });
+ self.loaded = true;
+
+ // Remove this key from cache, otherwise we can't play it again
+ THREE.Cache.remove(data.src);
+ if (self.data.autoplay || self.mustPlay) { self.playSound(); }
+ self.el.emit('sound-loaded');
+ });
+ }
+ },
+
+ pause: function () {
+ this.stopSound();
+ this.removeEventListener();
+ },
+
+ play: function () {
+ if (this.data.autoplay) { this.playSound(); }
+ this.updateEventListener();
+ },
+
+ remove: function () {
+ this.removeEventListener();
+ this.el.removeObject3D(this.attrName);
+ try {
+ this.pool.children.forEach(function (sound) {
+ sound.disconnect();
+ });
+ } catch (e) {
+ // disconnect() will throw if it was never connected initially.
+ warn('Audio source not properly disconnected');
+ }
+ },
+
+ /**
+ * Update listener attached to the user defined on event.
+ */
+ updateEventListener: function (oldEvt) {
+ var el = this.el;
+ if (oldEvt) { el.removeEventListener(oldEvt, this.playSound); }
+ el.addEventListener(this.data.on, this.playSound);
+ },
+
+ removeEventListener: function () {
+ this.el.removeEventListener(this.data.on, this.playSound);
+ },
+
+ /**
+ * Removes current sound object, creates new sound object, adds to entity.
+ *
+ * @returns {object} sound
+ */
+ setupSound: function () {
+ var el = this.el;
+ var sceneEl = el.sceneEl;
+
+ if (this.pool.children.length > 0) {
+ this.stopSound();
+ el.removeObject3D('sound');
+ }
+
+ // Only want one AudioListener. Cache it on the scene.
+ var listener = this.listener = sceneEl.audioListener || new THREE.AudioListener();
+ sceneEl.audioListener = listener;
+
+ if (sceneEl.camera) {
+ sceneEl.camera.add(listener);
+ }
+
+ // Wait for camera if necessary.
+ sceneEl.addEventListener('camera-set-active', function (evt) {
+ evt.detail.cameraEl.getObject3D('camera').add(listener);
+ });
+
+ // Create [poolSize] audio instances and attach them to pool
+ this.pool = new THREE.Group();
+ for (var i = 0; i < this.data.poolSize; i++) {
+ var sound = this.data.positional ? new THREE.PositionalAudio(listener) : new THREE.Audio(listener);
+ this.pool.add(sound);
+ }
+ el.setObject3D(this.attrName, this.pool);
+
+ this.pool.children.forEach(function (sound) {
+ sound.onEnded = function () {
+ sound.isPlaying = false;
+ el.emit('sound-ended', {index: i});
+ };
+ });
+ },
+
+ /**
+ * Pause all the sounds in the pool.
+ */
+ pauseSound: function () {
+ this.isPlaying = false;
+ this.pool.children.forEach(function (sound) {
+ if (!sound.source || !sound.source.buffer || !sound.isPlaying || sound.isPaused) { return; }
+ sound.isPaused = true;
+ sound.pause();
+ });
+ },
+
+ /**
+ * Look for an unused sound in the pool and play it if found.
+ */
+ playSound: function () {
+ if (!this.loaded) {
+ warn('Sound not loaded yet. It will be played once it finished loading');
+ this.mustPlay = true;
+ return;
+ }
+
+ var found = false;
+ this.isPlaying = true;
+ this.pool.children.forEach(function (sound) {
+ if (!sound.isPlaying && sound.buffer && !found) {
+ sound.play();
+ sound.isPaused = false;
+ found = true;
+ return;
+ }
+ });
+
+ if (!found) {
+ warn('All the sounds are playing. If you need to play more sounds simultaneously ' +
+ 'consider increasing the size of pool with the `poolSize` attribute.', this.el);
+ return;
+ }
+
+ this.mustPlay = false;
+ },
+
+ /**
+ * Stop all the sounds in the pool.
+ */
+ stopSound: function () {
+ this.isPlaying = false;
+ this.pool.children.forEach(function (sound) {
+ if (!sound.source || !sound.source.buffer) { return; }
+ sound.stop();
+ });
+ }
+});
+
+},{"../core/component":125,"../lib/three":173,"../utils/bind":189,"../utils/debug":191}],109:[function(_dereq_,module,exports){
+var createTextGeometry = _dereq_('three-bmfont-text');
+var loadBMFont = _dereq_('load-bmfont');
+
+var registerComponent = _dereq_('../core/component').registerComponent;
+var coreShader = _dereq_('../core/shader');
+var THREE = _dereq_('../lib/three');
+var utils = _dereq_('../utils/');
+
+var error = utils.debug('components:text:error');
+var shaders = coreShader.shaders;
+var warn = utils.debug('components:text:warn');
+
+// 1 to match other A-Frame default widths.
+var DEFAULT_WIDTH = 1;
+
+// @bryik set anisotropy to 16. Improves look of large amounts of text when viewed from angle.
+var MAX_ANISOTROPY = 16;
+
+var FONT_BASE_URL = 'https://cdn.aframe.io/fonts/';
+var FONTS = {
+ aileronsemibold: FONT_BASE_URL + 'Aileron-Semibold.fnt',
+ dejavu: FONT_BASE_URL + 'DejaVu-sdf.fnt',
+ exo2bold: FONT_BASE_URL + 'Exo2Bold.fnt',
+ exo2semibold: FONT_BASE_URL + 'Exo2SemiBold.fnt',
+ kelsonsans: FONT_BASE_URL + 'KelsonSans.fnt',
+ monoid: FONT_BASE_URL + 'Monoid.fnt',
+ mozillavr: FONT_BASE_URL + 'mozillavr.fnt',
+ roboto: FONT_BASE_URL + 'Roboto-msdf.json',
+ sourcecodepro: FONT_BASE_URL + 'SourceCodePro.fnt'
+};
+var MSDF_FONTS = ['roboto'];
+var DEFAULT_FONT = 'roboto';
+module.exports.FONTS = FONTS;
+
+var cache = new PromiseCache();
+var fontWidthFactors = {};
+var textures = {};
+
+/**
+ * SDF-based text component.
+ * Based on https://github.com/Jam3/three-bmfont-text.
+ *
+ * All the stock fonts are for the `sdf` registered shader, an improved version of jam3's
+ * original `sdf` shader.
+ */
+module.exports.Component = registerComponent('text', {
+ multiple: true,
+
+ schema: {
+ align: {type: 'string', default: 'left', oneOf: ['left', 'right', 'center']},
+ alphaTest: {default: 0.5},
+ // `anchor` defaults to center to match geometries.
+ anchor: {default: 'center', oneOf: ['left', 'right', 'center', 'align']},
+ baseline: {default: 'center', oneOf: ['top', 'center', 'bottom']},
+ color: {type: 'color', default: '#FFF'},
+ font: {type: 'string', default: DEFAULT_FONT},
+ // `fontImage` defaults to the font name as a .png (e.g., mozillavr.fnt -> mozillavr.png).
+ fontImage: {type: 'string'},
+ // `height` has no default, will be populated at layout.
+ height: {type: 'number'},
+ letterSpacing: {type: 'number', default: 0},
+ // `lineHeight` defaults to font's `lineHeight` value.
+ lineHeight: {type: 'number'},
+ opacity: {type: 'number', default: 1.0},
+ shader: {default: 'sdf', oneOf: shaders},
+ side: {default: 'front', oneOf: ['front', 'back', 'double']},
+ tabSize: {default: 4},
+ transparent: {default: true},
+ value: {type: 'string'},
+ whiteSpace: {default: 'normal', oneOf: ['normal', 'pre', 'nowrap']},
+ // `width` defaults to geometry width if present, else `DEFAULT_WIDTH`.
+ width: {type: 'number'},
+ // `wrapCount` units are about one default font character. Wrap roughly at this number.
+ wrapCount: {type: 'number', default: 40},
+ // `wrapPixels` will wrap using bmfont pixel units (e.g., dejavu's is 32 pixels).
+ wrapPixels: {type: 'number'},
+ // `xOffset` to add padding.
+ xOffset: {type: 'number', default: 0},
+ // `yOffset` to adjust generated fonts from tools that may have incorrect metrics.
+ yOffset: {type: 'number', default: 0},
+ // `zOffset` will provide a small z offset to avoid z-fighting.
+ zOffset: {type: 'number', default: 0.001}
+ },
+
+ init: function () {
+ this.geometry = createTextGeometry();
+ this.createOrUpdateMaterial();
+ this.mesh = new THREE.Mesh(this.geometry, this.material);
+ this.el.setObject3D(this.attrName, this.mesh);
+ },
+
+ update: function (oldData) {
+ var data = coerceData(this.data);
+ var font = this.currentFont;
+ var fontImage = this.getFontImageSrc();
+
+ if (textures[fontImage]) {
+ this.texture = textures[fontImage];
+ } else {
+ // Create texture per font.
+ this.texture = textures[fontImage] = new THREE.Texture();
+ this.texture.anisotropy = MAX_ANISOTROPY;
+ }
+
+ // Update material.
+ this.createOrUpdateMaterial();
+
+ // New font. `updateFont` will later change data and layout.
+ if (oldData.font !== data.font) {
+ this.updateFont();
+ return;
+ }
+
+ // Update geometry and layout.
+ if (font) {
+ this.updateGeometry(this.geometry, data, font);
+ this.updateLayout(data);
+ }
+ },
+
+ /**
+ * Clean up geometry, material, texture, mesh, objects.
+ */
+ remove: function () {
+ this.geometry.dispose();
+ this.geometry = null;
+ this.el.removeObject3D(this.attrName);
+ this.material.dispose();
+ this.material = null;
+ this.texture.dispose();
+ this.texture = null;
+ if (this.shaderObject) {
+ delete this.shaderObject;
+ }
+ },
+
+ /**
+ * Update the shader of the material.
+ */
+ createOrUpdateMaterial: function () {
+ var data = this.data;
+ var hasChangedShader;
+ var material = this.material;
+ var NewShader;
+ var shaderData;
+ var shaderName;
+
+ // Infer shader if using a stock font (or from `-msdf` filename convention).
+ shaderName = data.shader;
+ if (MSDF_FONTS.indexOf(data.font) !== -1 || data.font.indexOf('-msdf.') >= 0) {
+ shaderName = 'msdf';
+ } else if (data.font in FONTS && MSDF_FONTS.indexOf(data.font) === -1) {
+ shaderName = 'sdf';
+ }
+
+ hasChangedShader = (this.shaderObject && this.shaderObject.name) !== shaderName;
+ shaderData = {
+ alphaTest: data.alphaTest,
+ color: data.color,
+ map: this.texture,
+ opacity: data.opacity,
+ side: parseSide(data.side),
+ transparent: data.transparent
+ };
+
+ // Shader has not changed, do an update.
+ if (!hasChangedShader) {
+ // Update shader material.
+ this.shaderObject.update(shaderData);
+ // Apparently, was not set on `init` nor `update`.
+ material.transparent = shaderData.transparent;
+ updateBaseMaterial(material, shaderData);
+ return;
+ }
+
+ // Shader has changed. Create a shader material.
+ NewShader = createShader(this.el, shaderName, shaderData);
+ this.material = NewShader.material;
+ this.shaderObject = NewShader.shader;
+
+ // Set new shader material.
+ updateBaseMaterial(this.material, shaderData);
+ if (this.mesh) { this.mesh.material = this.material; }
+ },
+
+ /**
+ * Load font for geometry, load font image for material, and apply.
+ */
+ updateFont: function () {
+ var data = this.data;
+ var el = this.el;
+ var fontSrc;
+ var geometry = this.geometry;
+ var self = this;
+
+ if (!data.font) { warn('No font specified. Using the default font.'); }
+
+ // Make invisible during font swap.
+ this.mesh.visible = false;
+
+ // Look up font URL to use, and perform cached load.
+ fontSrc = this.lookupFont(data.font || DEFAULT_FONT) || data.font;
+ cache.get(fontSrc, function doLoadFont () {
+ return loadFont(fontSrc, data.yOffset);
+ }).then(function setFont (font) {
+ var coercedData;
+ var fontImgSrc;
+
+ if (font.pages.length !== 1) {
+ throw new Error('Currently only single-page bitmap fonts are supported.');
+ }
+
+ if (!fontWidthFactors[fontSrc]) {
+ font.widthFactor = fontWidthFactors[font] = computeFontWidthFactor(font);
+ }
+
+ // Update geometry given font metrics.
+ coercedData = coerceData(data);
+ self.updateGeometry(geometry, self.data, font);
+
+ // Set font and update layout.
+ self.currentFont = font;
+ self.updateLayout(coercedData);
+
+ // Look up font image URL to use, and perform cached load.
+ fontImgSrc = self.getFontImageSrc();
+ cache.get(fontImgSrc, function () {
+ return loadTexture(fontImgSrc);
+ }).then(function (image) {
+ // Make mesh visible and apply font image as texture.
+ var texture = self.texture;
+ texture.image = image;
+ texture.needsUpdate = true;
+ textures[fontImgSrc] = texture;
+ self.texture = texture;
+ self.mesh.visible = true;
+ el.emit('textfontset', {font: data.font, fontObj: font});
+ }).catch(function (err) {
+ error(err);
+ throw err;
+ });
+ }).catch(function (err) {
+ error(err);
+ throw err;
+ });
+ },
+
+ getFontImageSrc: function () {
+ var fontSrc = this.lookupFont(this.data.font || DEFAULT_FONT) || this.data.font;
+ return this.data.fontImage || fontSrc.replace(/(\.fnt)|(\.json)/, '.png');
+ },
+
+ /**
+ * Update layout with anchor, alignment, baseline, and considering any meshes.
+ */
+ updateLayout: function (data) {
+ var anchor;
+ var baseline;
+ var el = this.el;
+ var geometry = this.geometry;
+ var geometryComponent = el.getAttribute('geometry');
+ var height;
+ var layout = geometry.layout;
+ var mesh = this.mesh;
+ var textRenderWidth;
+ var textScale;
+ var width;
+ var x;
+ var y;
+
+ // Determine width to use (defined width, geometry's width, or default width).
+ geometryComponent = el.getAttribute('geometry');
+ width = data.width || (geometryComponent && geometryComponent.width) || DEFAULT_WIDTH;
+
+ // Determine wrap pixel count. Either specified or by experimental fudge factor.
+ // Note that experimental factor will never be correct for variable width fonts.
+ textRenderWidth = computeWidth(data.wrapPixels, data.wrapCount,
+ this.currentFont.widthFactor);
+ textScale = width / textRenderWidth;
+
+ // Determine height to use.
+ height = textScale * (layout.height + layout.descender);
+
+ // Update geometry dimensions to match text layout if width and height are set to 0.
+ // For example, scales a plane to fit text.
+ if (geometryComponent) {
+ if (!geometryComponent.width) { el.setAttribute('geometry', 'width', width); }
+ if (!geometryComponent.height) { el.setAttribute('geometry', 'height', height); }
+ }
+
+ // Calculate X position to anchor text left, center, or right.
+ anchor = data.anchor === 'align' ? data.align : data.anchor;
+ if (anchor === 'left') {
+ x = 0;
+ } else if (anchor === 'right') {
+ x = -1 * layout.width;
+ } else if (anchor === 'center') {
+ x = -1 * layout.width / 2;
+ } else {
+ throw new TypeError('Invalid text.anchor property value', anchor);
+ }
+
+ // Calculate Y position to anchor text top, center, or bottom.
+ baseline = data.baseline;
+ if (baseline === 'bottom') {
+ y = 0;
+ } else if (baseline === 'top') {
+ y = -1 * layout.height + layout.ascender;
+ } else if (baseline === 'center') {
+ y = -1 * layout.height / 2;
+ } else {
+ throw new TypeError('Invalid text.baseline property value', baseline);
+ }
+
+ // Position and scale mesh to apply layout.
+ mesh.position.x = x * textScale + data.xOffset;
+ mesh.position.y = y * textScale;
+ // Place text slightly in front to avoid Z-fighting.
+ mesh.position.z = data.zOffset;
+ mesh.scale.set(textScale, -1 * textScale, textScale);
+ this.geometry.computeBoundingSphere();
+ },
+
+ /**
+ * Grab font from the constant.
+ * Set as a method for test stubbing purposes.
+ */
+ lookupFont: function (key) {
+ return FONTS[key];
+ },
+
+ /**
+ * Update the text geometry using `three-bmfont-text.update`.
+ */
+ updateGeometry: function (geometry, data, font) {
+ geometry.update(utils.extend({}, data, {
+ font: font,
+ width: computeWidth(data.wrapPixels, data.wrapCount, font.widthFactor),
+ text: data.value.toString().replace(/\\n/g, '\n').replace(/\\t/g, '\t'),
+ lineHeight: data.lineHeight || font.common.lineHeight
+ }));
+ }
+});
+
+/**
+ * Due to using negative scale, we return the opposite side specified.
+ * https://github.com/mrdoob/three.js/pull/12787/
+ */
+function parseSide (side) {
+ switch (side) {
+ case 'back': {
+ return THREE.FrontSide;
+ }
+ case 'double': {
+ return THREE.DoubleSide;
+ }
+ default: {
+ return THREE.BackSide;
+ }
+ }
+}
+
+/**
+ * Coerce some data to numbers.
+ * as they will be passed directly into text creation and update
+ */
+function coerceData (data) {
+ data = utils.clone(data);
+ if (data.lineHeight !== undefined) {
+ data.lineHeight = parseFloat(data.lineHeight);
+ if (!isFinite(data.lineHeight)) { data.lineHeight = undefined; }
+ }
+ if (data.width !== undefined) {
+ data.width = parseFloat(data.width);
+ if (!isFinite(data.width)) { data.width = undefined; }
+ }
+ return data;
+}
+
+/**
+ * @returns {Promise}
+ */
+function loadFont (src, yOffset) {
+ return new Promise(function (resolve, reject) {
+ loadBMFont(src, function (err, font) {
+ if (err) {
+ error('Error loading font', src);
+ reject(err);
+ return;
+ }
+
+ // Fix negative Y offsets for Roboto MSDF font from tool. Experimentally determined.
+ if (src.indexOf('/Roboto-msdf.json') >= 0) { yOffset = 30; }
+ if (yOffset) { font.chars.map(function doOffset (ch) { ch.yoffset += yOffset; }); }
+
+ resolve(font);
+ });
+ });
+}
+
+/**
+ * @returns {Promise}
+ */
+function loadTexture (src) {
+ return new Promise(function (resolve, reject) {
+ new THREE.ImageLoader().load(src, function (image) {
+ resolve(image);
+ }, undefined, function () {
+ error('Error loading font image', src);
+ reject(null);
+ });
+ });
+}
+
+function createShader (el, shaderName, data) {
+ var shader;
+ var shaderObject;
+
+ // Set up Shader.
+ shaderObject = new shaders[shaderName].Shader();
+ shaderObject.el = el;
+ shaderObject.init(data);
+ shaderObject.update(data);
+
+ // Get material.
+ shader = shaderObject.material;
+ // Apparently, was not set on `init` nor `update`.
+ shader.transparent = data.transparent;
+
+ return {
+ material: shader,
+ shader: shaderObject
+ };
+}
+
+/**
+ * @todo Add more supported material properties (e.g., `visible`).
+ */
+function updateBaseMaterial (material, data) {
+ material.side = data.side;
+}
+
+/**
+ * Determine wrap pixel count. Either specified or by experimental fudge factor.
+ * Note that experimental factor will never be correct for variable width fonts.
+ */
+function computeWidth (wrapPixels, wrapCount, widthFactor) {
+ return wrapPixels || ((0.5 + wrapCount) * widthFactor);
+}
+
+/**
+ * Compute default font width factor to use.
+ */
+function computeFontWidthFactor (font) {
+ var sum = 0;
+ var digitsum = 0;
+ var digits = 0;
+ font.chars.map(function (ch) {
+ sum += ch.xadvance;
+ if (ch.id >= 48 && ch.id <= 57) {
+ digits++;
+ digitsum += ch.xadvance;
+ }
+ });
+ return digits ? digitsum / digits : sum / font.chars.length;
+}
+
+/**
+ * Get or create a promise given a key and promise generator.
+ * @todo Move to a utility and use in other parts of A-Frame.
+ */
+function PromiseCache () {
+ var cache = this.cache = {};
+
+ this.get = function (key, promiseGenerator) {
+ if (key in cache) {
+ return cache[key];
+ }
+ cache[key] = promiseGenerator();
+ return cache[key];
+ };
+}
+
+},{"../core/component":125,"../core/shader":134,"../lib/three":173,"../utils/":195,"load-bmfont":24,"three-bmfont-text":36}],110:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../core/component').registerComponent;
+var controllerUtils = _dereq_('../utils/tracked-controls');
+var THREE = _dereq_('../lib/three');
+var DEFAULT_CAMERA_HEIGHT = _dereq_('../constants').DEFAULT_CAMERA_HEIGHT;
+
+var DEFAULT_HANDEDNESS = _dereq_('../constants').DEFAULT_HANDEDNESS;
+// Vector from eyes to elbow (divided by user height).
+var EYES_TO_ELBOW = {x: 0.175, y: -0.3, z: -0.03};
+// Vector from eyes to elbow (divided by user height).
+var FOREARM = {x: 0, y: 0, z: -0.175};
+
+/**
+ * Tracked controls component.
+ * Wrap the gamepad API for pose and button states.
+ * Select the appropriate controller and apply pose to the entity.
+ * Observe button states and emit appropriate events.
+ *
+ * @property {number} controller - Index of controller in array returned by Gamepad API. Only used if hand property is not set.
+ * @property {string} id - Selected controller among those returned by Gamepad API.
+ * @property {number} hand - If multiple controllers found with id, choose the one with the given value for hand. If set, we ignore 'controller' property
+ */
+module.exports.Component = registerComponent('tracked-controls', {
+ schema: {
+ controller: {default: 0},
+ id: {type: 'string', default: ''},
+ hand: {type: 'string', default: ''},
+ idPrefix: {type: 'string', default: ''},
+ rotationOffset: {default: 0},
+ // Arm model parameters when not 6DoF.
+ armModel: {default: true},
+ headElement: {type: 'selector'}
+ },
+
+ init: function () {
+ this.axis = [0, 0, 0];
+ this.buttonStates = {};
+ this.changedAxes = [];
+ this.targetControllerNumber = this.data.controller;
+
+ this.axisMoveEventDetail = {axis: this.axis, changed: this.changedAxes};
+
+ this.dolly = new THREE.Object3D();
+ this.controllerEuler = new THREE.Euler();
+ this.controllerEuler.order = 'YXZ';
+ this.controllerPosition = new THREE.Vector3();
+ this.controllerQuaternion = new THREE.Quaternion();
+ this.deltaControllerPosition = new THREE.Vector3();
+ this.position = new THREE.Vector3();
+ this.rotation = {};
+ this.standingMatrix = new THREE.Matrix4();
+
+ this.previousControllerPosition = new THREE.Vector3();
+ this.updateGamepad();
+ },
+
+ tick: function (time, delta) {
+ var mesh = this.el.getObject3D('mesh');
+ // Update mesh animations.
+ if (mesh && mesh.update) { mesh.update(delta / 1000); }
+ this.updateGamepad();
+ this.updatePose();
+ this.updateButtons();
+ },
+
+ /**
+ * Return default user height to use for non-6DOF arm model.
+ */
+ defaultUserHeight: function () {
+ return DEFAULT_CAMERA_HEIGHT;
+ },
+
+ /**
+ * Return head element to use for non-6DOF arm model.
+ */
+ getHeadElement: function () {
+ return this.data.headElement || this.el.sceneEl.camera.el;
+ },
+
+ /**
+ * Handle update controller match criteria (such as `id`, `idPrefix`, `hand`, `controller`)
+ */
+ updateGamepad: function () {
+ var data = this.data;
+ var controller = controllerUtils.findMatchingController(
+ this.system.controllers,
+ data.id,
+ data.idPrefix,
+ data.hand,
+ data.controller
+ );
+
+ this.controller = controller;
+ },
+
+ applyArmModel: function (controllerPosition) {
+ // Use controllerPosition and deltaControllerPosition to avoid creating variables.
+ var controller = this.controller;
+ var controllerEuler = this.controllerEuler;
+ var controllerQuaternion = this.controllerQuaternion;
+ var deltaControllerPosition = this.deltaControllerPosition;
+ var hand;
+ var headCamera;
+ var headEl;
+ var headObject3D;
+ var pose;
+ var userHeight;
+
+ headEl = this.getHeadElement();
+ headObject3D = headEl.object3D;
+ headCamera = headEl.components.camera;
+ userHeight = (headCamera ? headCamera.data.userHeight : 0) || this.defaultUserHeight();
+
+ pose = controller.pose;
+ hand = (controller ? controller.hand : undefined) || DEFAULT_HANDEDNESS;
+
+ // Use camera position as head position.
+ controllerPosition.copy(headObject3D.position);
+ // Set offset for degenerate "arm model" to elbow.
+ deltaControllerPosition.set(
+ EYES_TO_ELBOW.x * (hand === 'left' ? -1 : hand === 'right' ? 1 : 0),
+ EYES_TO_ELBOW.y, // Lower than our eyes.
+ EYES_TO_ELBOW.z); // Slightly out in front.
+ // Scale offset by user height.
+ deltaControllerPosition.multiplyScalar(userHeight);
+ // Apply camera Y rotation (not X or Z, so you can look down at your hand).
+ deltaControllerPosition.applyAxisAngle(headObject3D.up, headObject3D.rotation.y);
+ // Apply rotated offset to position.
+ controllerPosition.add(deltaControllerPosition);
+
+ // Set offset for degenerate "arm model" forearm. Forearm sticking out from elbow.
+ deltaControllerPosition.set(FOREARM.x, FOREARM.y, FOREARM.z);
+ // Scale offset by user height.
+ deltaControllerPosition.multiplyScalar(userHeight);
+ // Apply controller X/Y rotation (tilting up/down/left/right is usually moving the arm).
+ if (pose.orientation) {
+ controllerQuaternion.fromArray(pose.orientation);
+ } else {
+ controllerQuaternion.copy(headObject3D.quaternion);
+ }
+ controllerEuler.setFromQuaternion(controllerQuaternion);
+ controllerEuler.set(controllerEuler.x, controllerEuler.y, 0);
+ deltaControllerPosition.applyEuler(controllerEuler);
+ // Apply rotated offset to position.
+ controllerPosition.add(deltaControllerPosition);
+ },
+
+ /**
+ * Read pose from controller (from Gamepad API), apply transforms, apply to entity.
+ */
+ updatePose: function () {
+ var controller = this.controller;
+ var controllerEuler = this.controllerEuler;
+ var controllerPosition = this.controllerPosition;
+ var elPosition;
+ var previousControllerPosition = this.previousControllerPosition;
+ var dolly = this.dolly;
+ var el = this.el;
+ var pose;
+ var standingMatrix = this.standingMatrix;
+ var vrDisplay = this.system.vrDisplay;
+ var headEl = this.getHeadElement();
+ var headCamera = headEl.components.camera;
+ var userHeight = (headCamera ? headCamera.data.userHeight : 0) || this.defaultUserHeight();
+
+ if (!controller) { return; }
+
+ // Compose pose from Gamepad.
+ pose = controller.pose;
+ if (pose.orientation !== null) {
+ dolly.quaternion.fromArray(pose.orientation);
+ }
+
+ // controller position or arm model
+ if (pose.position !== null) {
+ dolly.position.fromArray(pose.position);
+ } else {
+ // Controller not 6DOF, apply arm model.
+ if (this.data.armModel) { this.applyArmModel(dolly.position); }
+ }
+
+ // Apply transforms, if 6DOF and in VR.
+ if (pose.position != null && vrDisplay) {
+ if (vrDisplay.stageParameters) {
+ standingMatrix.fromArray(vrDisplay.stageParameters.sittingToStandingTransform);
+ dolly.matrix.compose(dolly.position, dolly.quaternion, dolly.scale);
+ dolly.matrix.multiplyMatrices(standingMatrix, dolly.matrix);
+ } else {
+ // Apply default camera height
+ dolly.position.y += userHeight;
+ dolly.matrix.compose(dolly.position, dolly.quaternion, dolly.scale);
+ }
+ } else {
+ dolly.matrix.compose(dolly.position, dolly.quaternion, dolly.scale);
+ }
+
+ // Decompose.
+ controllerEuler.setFromRotationMatrix(dolly.matrix);
+ controllerPosition.setFromMatrixPosition(dolly.matrix);
+
+ // Apply rotation.
+ this.rotation.x = THREE.Math.radToDeg(controllerEuler.x);
+ this.rotation.y = THREE.Math.radToDeg(controllerEuler.y);
+ this.rotation.z = THREE.Math.radToDeg(controllerEuler.z) + this.data.rotationOffset;
+ el.setAttribute('rotation', this.rotation);
+
+ // Apply position.
+ elPosition = el.getAttribute('position');
+ this.position.copy(elPosition).sub(previousControllerPosition).add(controllerPosition);
+ el.setAttribute('position', this.position);
+ previousControllerPosition.copy(controllerPosition);
+ },
+
+ /**
+ * Handle button changes including axes, presses, touches, values.
+ */
+ updateButtons: function () {
+ var buttonState;
+ var controller = this.controller;
+ var id;
+
+ if (!controller) { return; }
+
+ // Check every button.
+ for (id = 0; id < controller.buttons.length; ++id) {
+ // Initialize button state.
+ if (!this.buttonStates[id]) {
+ this.buttonStates[id] = {pressed: false, touched: false, value: 0};
+ }
+
+ buttonState = controller.buttons[id];
+ this.handleButton(id, buttonState);
+ }
+ // Check axes.
+ this.handleAxes();
+ },
+
+ /**
+ * Handle presses and touches for a single button.
+ *
+ * @param {number} id - Index of button in Gamepad button array.
+ * @param {number} buttonState - Value of button state from 0 to 1.
+ * @returns {boolean} Whether button has changed in any way.
+ */
+ handleButton: function (id, buttonState) {
+ var changed = this.handlePress(id, buttonState) ||
+ this.handleTouch(id, buttonState) ||
+ this.handleValue(id, buttonState);
+ if (!changed) { return false; }
+ this.el.emit('buttonchanged', {id: id, state: buttonState});
+ return true;
+ },
+
+ /**
+ * An axis is an array of values from -1 (up, left) to 1 (down, right).
+ * Compare each component of the axis to the previous value to determine change.
+ *
+ * @returns {boolean} Whether axes changed.
+ */
+ handleAxes: function () {
+ var changed = false;
+ var controllerAxes = this.controller.axes;
+ var i;
+ var previousAxis = this.axis;
+ var changedAxes = this.changedAxes;
+
+ // Check if axis changed.
+ this.changedAxes.length = 0;
+ for (i = 0; i < controllerAxes.length; ++i) {
+ changedAxes.push(previousAxis[i] !== controllerAxes[i]);
+ if (changedAxes[i]) { changed = true; }
+ }
+ if (!changed) { return false; }
+
+ this.axis.length = 0;
+ for (i = 0; i < controllerAxes.length; i++) {
+ this.axis.push(controllerAxes[i]);
+ }
+ this.el.emit('axismove', this.axisMoveEventDetail);
+ return true;
+ },
+
+ /**
+ * Determine whether a button press has occured and emit events as appropriate.
+ *
+ * @param {string} id - ID of the button to check.
+ * @param {object} buttonState - State of the button to check.
+ * @returns {boolean} Whether button press state changed.
+ */
+ handlePress: function (id, buttonState) {
+ var evtName;
+ var previousButtonState = this.buttonStates[id];
+
+ // Not changed.
+ if (buttonState.pressed === previousButtonState.pressed) { return false; }
+
+ evtName = buttonState.pressed ? 'down' : 'up';
+ this.el.emit('button' + evtName, {id: id, state: buttonState});
+ previousButtonState.pressed = buttonState.pressed;
+ return true;
+ },
+
+ /**
+ * Determine whether a button touch has occured and emit events as appropriate.
+ *
+ * @param {string} id - ID of the button to check.
+ * @param {object} buttonState - State of the button to check.
+ * @returns {boolean} Whether button touch state changed.
+ */
+ handleTouch: function (id, buttonState) {
+ var evtName;
+ var previousButtonState = this.buttonStates[id];
+
+ // Not changed.
+ if (buttonState.touched === previousButtonState.touched) { return false; }
+
+ evtName = buttonState.touched ? 'start' : 'end';
+ // Due to unfortunate name collision, add empty touches array to avoid Daydream error.
+ this.el.emit('touch' + evtName, {id: id, state: buttonState}, true, {touches: []});
+ previousButtonState.touched = buttonState.touched;
+ return true;
+ },
+
+ /**
+ * Determine whether a button value has changed.
+ *
+ * @param {string} id - Id of the button to check.
+ * @param {object} buttonState - State of the button to check.
+ * @returns {boolean} Whether button value changed.
+ */
+ handleValue: function (id, buttonState) {
+ var previousButtonState = this.buttonStates[id];
+
+ // Not changed.
+ if (buttonState.value === previousButtonState.value) { return false; }
+
+ previousButtonState.value = buttonState.value;
+ return true;
+ }
+});
+
+},{"../constants":116,"../core/component":125,"../lib/three":173,"../utils/tracked-controls":200}],111:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../core/component').registerComponent;
+
+/**
+ * Visibility component.
+ */
+module.exports.Component = registerComponent('visible', {
+ schema: {default: true},
+
+ update: function () {
+ this.el.object3D.visible = this.data;
+ }
+});
+
+},{"../core/component":125}],112:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../core/component').registerComponent;
+var utils = _dereq_('../utils/');
+
+var bind = utils.bind;
+var trackedControlsUtils = _dereq_('../utils/tracked-controls');
+var checkControllerPresentAndSetup = trackedControlsUtils.checkControllerPresentAndSetup;
+var emitIfAxesChanged = trackedControlsUtils.emitIfAxesChanged;
+var onButtonEvent = trackedControlsUtils.onButtonEvent;
+
+var VIVE_CONTROLLER_MODEL_OBJ_URL = 'https://cdn.aframe.io/controllers/vive/vr_controller_vive.obj';
+var VIVE_CONTROLLER_MODEL_OBJ_MTL = 'https://cdn.aframe.io/controllers/vive/vr_controller_vive.mtl';
+
+var GAMEPAD_ID_PREFIX = 'OpenVR ';
+
+/**
+ * Vive controls.
+ * Interface with Vive controllers and map Gamepad events to controller buttons:
+ * trackpad, trigger, grip, menu, system
+ * Load a controller model and highlight the pressed buttons.
+ */
+module.exports.Component = registerComponent('vive-controls', {
+ schema: {
+ hand: {default: 'left'},
+ buttonColor: {type: 'color', default: '#FAFAFA'}, // Off-white.
+ buttonHighlightColor: {type: 'color', default: '#22D1EE'}, // Light blue.
+ model: {default: true},
+ rotationOffset: {default: 0}
+ },
+
+ /**
+ * Button IDs:
+ * 0 - trackpad
+ * 1 - trigger (intensity value from 0.5 to 1)
+ * 2 - grip
+ * 3 - menu (dispatch but better for menu options)
+ * 4 - system (never dispatched on this layer)
+ */
+ mapping: {
+ axes: {trackpad: [0, 1]},
+ buttons: ['trackpad', 'trigger', 'grip', 'menu', 'system']
+ },
+
+ init: function () {
+ var self = this;
+ this.animationActive = 'pointing';
+ this.checkControllerPresentAndSetup = checkControllerPresentAndSetup; // To allow mock.
+ this.controllerPresent = false;
+ this.emitIfAxesChanged = emitIfAxesChanged; // To allow mock.
+ this.lastControllerCheck = 0;
+ this.onButtonChanged = bind(this.onButtonChanged, this);
+ this.onButtonDown = function (evt) { onButtonEvent(evt.detail.id, 'down', self); };
+ this.onButtonUp = function (evt) { onButtonEvent(evt.detail.id, 'up', self); };
+ this.onButtonTouchEnd = function (evt) { onButtonEvent(evt.detail.id, 'touchend', self); };
+ this.onButtonTouchStart = function (evt) { onButtonEvent(evt.detail.id, 'touchstart', self); };
+ this.onAxisMoved = bind(this.onAxisMoved, this);
+ this.previousButtonValues = {};
+
+ this.bindMethods();
+ },
+
+ play: function () {
+ this.checkIfControllerPresent();
+ this.addControllersUpdateListener();
+ },
+
+ pause: function () {
+ this.removeEventListeners();
+ this.removeControllersUpdateListener();
+ },
+
+ bindMethods: function () {
+ this.onModelLoaded = bind(this.onModelLoaded, this);
+ this.onControllersUpdate = bind(this.onControllersUpdate, this);
+ this.checkIfControllerPresent = bind(this.checkIfControllerPresent, this);
+ this.removeControllersUpdateListener = bind(this.removeControllersUpdateListener, this);
+ this.onAxisMoved = bind(this.onAxisMoved, this);
+ },
+
+ addEventListeners: function () {
+ var el = this.el;
+ el.addEventListener('buttonchanged', this.onButtonChanged);
+ el.addEventListener('buttondown', this.onButtonDown);
+ el.addEventListener('buttonup', this.onButtonUp);
+ el.addEventListener('touchend', this.onButtonTouchEnd);
+ el.addEventListener('touchstart', this.onButtonTouchStart);
+ el.addEventListener('model-loaded', this.onModelLoaded);
+ el.addEventListener('axismove', this.onAxisMoved);
+ this.controllerEventsActive = true;
+ },
+
+ removeEventListeners: function () {
+ var el = this.el;
+ el.removeEventListener('buttonchanged', this.onButtonChanged);
+ el.removeEventListener('buttondown', this.onButtonDown);
+ el.removeEventListener('buttonup', this.onButtonUp);
+ el.removeEventListener('touchend', this.onButtonTouchEnd);
+ el.removeEventListener('touchstart', this.onButtonTouchStart);
+ el.removeEventListener('model-loaded', this.onModelLoaded);
+ el.removeEventListener('axismove', this.onAxisMoved);
+ this.controllerEventsActive = false;
+ },
+
+ /**
+ * Once OpenVR returns correct hand data in supporting browsers, we can use hand property.
+ * var isPresent = this.checkControllerPresentAndSetup(this.el.sceneEl, GAMEPAD_ID_PREFIX,
+ { hand: data.hand });
+ * Until then, use hardcoded index.
+ */
+ checkIfControllerPresent: function () {
+ var data = this.data;
+ var controllerIndex = data.hand === 'right' ? 0 : data.hand === 'left' ? 1 : 2;
+ this.checkControllerPresentAndSetup(this, GAMEPAD_ID_PREFIX, {index: controllerIndex});
+ },
+
+ injectTrackedControls: function () {
+ var el = this.el;
+ var data = this.data;
+
+ // If we have an OpenVR Gamepad, use the fixed mapping.
+ el.setAttribute('tracked-controls', {
+ idPrefix: GAMEPAD_ID_PREFIX,
+ // Hand IDs: 0 = right, 1 = left, 2 = anything else.
+ controller: data.hand === 'right' ? 0 : data.hand === 'left' ? 1 : 2,
+ rotationOffset: data.rotationOffset
+ });
+
+ // Load model.
+ if (!this.data.model) { return; }
+ this.el.setAttribute('obj-model', {
+ obj: VIVE_CONTROLLER_MODEL_OBJ_URL,
+ mtl: VIVE_CONTROLLER_MODEL_OBJ_MTL
+ });
+ },
+
+ addControllersUpdateListener: function () {
+ this.el.sceneEl.addEventListener('controllersupdated', this.onControllersUpdate, false);
+ },
+
+ removeControllersUpdateListener: function () {
+ this.el.sceneEl.removeEventListener('controllersupdated', this.onControllersUpdate, false);
+ },
+
+ onControllersUpdate: function () {
+ this.checkIfControllerPresent();
+ },
+
+ /**
+ * Rotate the trigger button based on how hard the trigger is pressed.
+ */
+ onButtonChanged: function (evt) {
+ var button = this.mapping.buttons[evt.detail.id];
+ var buttonMeshes = this.buttonMeshes;
+ var analogValue;
+
+ if (!button) { return; }
+
+ if (button === 'trigger') {
+ analogValue = evt.detail.state.value;
+ // Update trigger rotation depending on button value.
+ if (buttonMeshes && buttonMeshes.trigger) {
+ buttonMeshes.trigger.rotation.x = -analogValue * (Math.PI / 12);
+ }
+ }
+
+ // Pass along changed event with button state, using button mapping for convenience.
+ this.el.emit(button + 'changed', evt.detail.state);
+ },
+
+ onModelLoaded: function (evt) {
+ var buttonMeshes;
+ var controllerObject3D = evt.detail.model;
+ var self = this;
+
+ if (!this.data.model) { return; }
+
+ // Store button meshes object to be able to change their colors.
+ buttonMeshes = this.buttonMeshes = {};
+ buttonMeshes.grip = {
+ left: controllerObject3D.getObjectByName('leftgrip'),
+ right: controllerObject3D.getObjectByName('rightgrip')
+ };
+ buttonMeshes.menu = controllerObject3D.getObjectByName('menubutton');
+ buttonMeshes.system = controllerObject3D.getObjectByName('systembutton');
+ buttonMeshes.trackpad = controllerObject3D.getObjectByName('touchpad');
+ buttonMeshes.trigger = controllerObject3D.getObjectByName('trigger');
+
+ // Set default colors.
+ Object.keys(buttonMeshes).forEach(function (buttonName) {
+ self.setButtonColor(buttonName, self.data.buttonColor);
+ });
+
+ // Offset pivot point.
+ controllerObject3D.position.set(0, -0.015, 0.04);
+ },
+
+ onAxisMoved: function (evt) {
+ this.emitIfAxesChanged(this, this.mapping.axes, evt);
+ },
+
+ updateModel: function (buttonName, evtName) {
+ var color;
+ var isTouch;
+ if (!this.data.model) { return; }
+
+ isTouch = evtName.indexOf('touch') !== -1;
+ // Don't change color for trackpad touch.
+ if (isTouch) { return; }
+
+ // Update colors.
+ color = evtName === 'up' ? this.data.buttonColor : this.data.buttonHighlightColor;
+ this.setButtonColor(buttonName, color);
+ },
+
+ setButtonColor: function (buttonName, color) {
+ var buttonMeshes = this.buttonMeshes;
+
+ if (!buttonMeshes) { return; }
+
+ // Need to do both left and right sides for grip.
+ if (buttonName === 'grip') {
+ buttonMeshes.grip.left.material.color.set(color);
+ buttonMeshes.grip.right.material.color.set(color);
+ return;
+ }
+ buttonMeshes[buttonName].material.color.set(color);
+ }
+});
+
+},{"../core/component":125,"../utils/":195,"../utils/tracked-controls":200}],113:[function(_dereq_,module,exports){
+var KEYCODE_TO_CODE = _dereq_('../constants').keyboardevent.KEYCODE_TO_CODE;
+var registerComponent = _dereq_('../core/component').registerComponent;
+var THREE = _dereq_('../lib/three');
+var utils = _dereq_('../utils/');
+
+var bind = utils.bind;
+var shouldCaptureKeyEvent = utils.shouldCaptureKeyEvent;
+
+var CLAMP_VELOCITY = 0.00001;
+var MAX_DELTA = 0.2;
+var KEYS = [
+ 'KeyW', 'KeyA', 'KeyS', 'KeyD',
+ 'ArrowUp', 'ArrowLeft', 'ArrowRight', 'ArrowDown'
+];
+
+/**
+ * WASD component to control entities using WASD keys.
+ */
+module.exports.Component = registerComponent('wasd-controls', {
+ schema: {
+ acceleration: {default: 65},
+ adAxis: {default: 'x', oneOf: ['x', 'y', 'z']},
+ adEnabled: {default: true},
+ adInverted: {default: false},
+ easing: {default: 20},
+ enabled: {default: true},
+ fly: {default: false},
+ wsAxis: {default: 'z', oneOf: ['x', 'y', 'z']},
+ wsEnabled: {default: true},
+ wsInverted: {default: false}
+ },
+
+ init: function () {
+ // To keep track of the pressed keys.
+ this.keys = {};
+
+ this.position = {};
+ this.velocity = new THREE.Vector3();
+
+ // Bind methods and add event listeners.
+ this.onBlur = bind(this.onBlur, this);
+ this.onFocus = bind(this.onFocus, this);
+ this.onKeyDown = bind(this.onKeyDown, this);
+ this.onKeyUp = bind(this.onKeyUp, this);
+ this.onVisibilityChange = bind(this.onVisibilityChange, this);
+ this.attachVisibilityEventListeners();
+ },
+
+ tick: function (time, delta) {
+ var currentPosition;
+ var data = this.data;
+ var el = this.el;
+ var movementVector;
+ var position = this.position;
+ var velocity = this.velocity;
+
+ if (!velocity[data.adAxis] && !velocity[data.wsAxis] &&
+ isEmptyObject(this.keys)) { return; }
+
+ // Update velocity.
+ delta = delta / 1000;
+ this.updateVelocity(delta);
+
+ if (!velocity[data.adAxis] && !velocity[data.wsAxis]) { return; }
+
+ // Get movement vector and translate position.
+ currentPosition = el.getAttribute('position');
+ movementVector = this.getMovementVector(delta);
+ position.x = currentPosition.x + movementVector.x;
+ position.y = currentPosition.y + movementVector.y;
+ position.z = currentPosition.z + movementVector.z;
+ el.setAttribute('position', position);
+ },
+
+ remove: function () {
+ this.removeKeyEventListeners();
+ this.removeVisibilityEventListeners();
+ },
+
+ play: function () {
+ this.attachKeyEventListeners();
+ },
+
+ pause: function () {
+ this.keys = {};
+ this.removeKeyEventListeners();
+ },
+
+ updateVelocity: function (delta) {
+ var acceleration;
+ var adAxis;
+ var adSign;
+ var data = this.data;
+ var keys = this.keys;
+ var velocity = this.velocity;
+ var wsAxis;
+ var wsSign;
+
+ adAxis = data.adAxis;
+ wsAxis = data.wsAxis;
+
+ // If FPS too low, reset velocity.
+ if (delta > MAX_DELTA) {
+ velocity[adAxis] = 0;
+ velocity[wsAxis] = 0;
+ return;
+ }
+
+ // Decay velocity.
+ if (velocity[adAxis] !== 0) {
+ velocity[adAxis] -= velocity[adAxis] * data.easing * delta;
+ }
+ if (velocity[wsAxis] !== 0) {
+ velocity[wsAxis] -= velocity[wsAxis] * data.easing * delta;
+ }
+
+ // Clamp velocity easing.
+ if (Math.abs(velocity[adAxis]) < CLAMP_VELOCITY) { velocity[adAxis] = 0; }
+ if (Math.abs(velocity[wsAxis]) < CLAMP_VELOCITY) { velocity[wsAxis] = 0; }
+
+ if (!data.enabled) { return; }
+
+ // Update velocity using keys pressed.
+ acceleration = data.acceleration;
+ if (data.adEnabled) {
+ adSign = data.adInverted ? -1 : 1;
+ if (keys.KeyA || keys.ArrowLeft) { velocity[adAxis] -= adSign * acceleration * delta; }
+ if (keys.KeyD || keys.ArrowRight) { velocity[adAxis] += adSign * acceleration * delta; }
+ }
+ if (data.wsEnabled) {
+ wsSign = data.wsInverted ? -1 : 1;
+ if (keys.KeyW || keys.ArrowUp) { velocity[wsAxis] -= wsSign * acceleration * delta; }
+ if (keys.KeyS || keys.ArrowDown) { velocity[wsAxis] += wsSign * acceleration * delta; }
+ }
+ },
+
+ getMovementVector: (function () {
+ var directionVector = new THREE.Vector3(0, 0, 0);
+ var rotationEuler = new THREE.Euler(0, 0, 0, 'YXZ');
+
+ return function (delta) {
+ var rotation = this.el.getAttribute('rotation');
+ var velocity = this.velocity;
+ var xRotation;
+
+ directionVector.copy(velocity);
+ directionVector.multiplyScalar(delta);
+
+ // Absolute.
+ if (!rotation) { return directionVector; }
+
+ xRotation = this.data.fly ? rotation.x : 0;
+
+ // Transform direction relative to heading.
+ rotationEuler.set(THREE.Math.degToRad(xRotation), THREE.Math.degToRad(rotation.y), 0);
+ directionVector.applyEuler(rotationEuler);
+ return directionVector;
+ };
+ })(),
+
+ attachVisibilityEventListeners: function () {
+ window.addEventListener('blur', this.onBlur);
+ window.addEventListener('focus', this.onFocus);
+ document.addEventListener('visibilitychange', this.onVisibilityChange);
+ },
+
+ removeVisibilityEventListeners: function () {
+ window.removeEventListener('blur', this.onBlur);
+ window.removeEventListener('focus', this.onFocus);
+ document.removeEventListener('visibilitychange', this.onVisibilityChange);
+ },
+
+ attachKeyEventListeners: function () {
+ window.addEventListener('keydown', this.onKeyDown);
+ window.addEventListener('keyup', this.onKeyUp);
+ },
+
+ removeKeyEventListeners: function () {
+ window.removeEventListener('keydown', this.onKeyDown);
+ window.removeEventListener('keyup', this.onKeyUp);
+ },
+
+ onBlur: function () {
+ this.pause();
+ },
+
+ onFocus: function () {
+ this.play();
+ },
+
+ onVisibilityChange: function () {
+ if (document.hidden) {
+ this.onBlur();
+ } else {
+ this.onFocus();
+ }
+ },
+
+ onKeyDown: function (event) {
+ var code;
+ if (!shouldCaptureKeyEvent(event)) { return; }
+ code = event.code || KEYCODE_TO_CODE[event.keyCode];
+ if (KEYS.indexOf(code) !== -1) { this.keys[code] = true; }
+ },
+
+ onKeyUp: function (event) {
+ var code;
+ code = event.code || KEYCODE_TO_CODE[event.keyCode];
+ delete this.keys[code];
+ }
+});
+
+function isEmptyObject (keys) {
+ var key;
+ for (key in keys) { return false; }
+ return true;
+}
+
+},{"../constants":116,"../core/component":125,"../lib/three":173,"../utils/":195}],114:[function(_dereq_,module,exports){
+/* global THREE */
+var bind = _dereq_('../utils/bind');
+var registerComponent = _dereq_('../core/component').registerComponent;
+var trackedControlsUtils = _dereq_('../utils/tracked-controls');
+var onButtonEvent = trackedControlsUtils.onButtonEvent;
+var utils = _dereq_('../utils/');
+
+var debug = utils.debug('components:windows-motion-controls:debug');
+var warn = utils.debug('components:windows-motion-controls:warn');
+
+var DEFAULT_HANDEDNESS = _dereq_('../constants').DEFAULT_HANDEDNESS;
+
+var MODEL_BASE_URL = 'https://cdn.aframe.io/controllers/microsoft/';
+var MODEL_FILENAMES = { left: 'left.glb', right: 'right.glb', default: 'universal.glb' };
+
+var GAMEPAD_ID_PREFIX = 'Spatial Controller (Spatial Interaction Source) ';
+var GAMEPAD_ID_PATTERN = /([0-9a-zA-Z]+-[0-9a-zA-Z]+)$/;
+
+/**
+ * Windows Motion Controller controls.
+ * Interface with Windows Motion Controller controllers and map Gamepad events to
+ * controller buttons: trackpad, trigger, grip, menu, thumbstick
+ * Load a controller model and transform the pressed buttons.
+ */
+module.exports.Component = registerComponent('windows-motion-controls', {
+ schema: {
+ hand: {default: DEFAULT_HANDEDNESS},
+ // It is possible to have multiple pairs of controllers attached (a pair has both left and right).
+ // Set this to 1 to use a controller from the second pair, 2 from the third pair, etc.
+ pair: {default: 0},
+ // If true, loads the controller glTF asset.
+ model: {default: true},
+ // If true, will hide the model from the scene if no matching gamepad (based on ID & hand) is connected.
+ hideDisconnected: {default: true}
+ },
+
+ mapping: {
+ // A-Frame specific semantic axis names
+ axes: {'thumbstick': [0, 1], 'trackpad': [2, 3]},
+ // A-Frame specific semantic button names
+ buttons: ['thumbstick', 'trigger', 'grip', 'menu', 'trackpad'],
+ // A mapping of the semantic name to node name in the glTF model file,
+ // that should be transformed by axis value.
+ // This array mirrors the browser Gamepad.axes array, such that
+ // the mesh corresponding to axis 0 is in this array index 0.
+ axisMeshNames: [
+ 'THUMBSTICK_X',
+ 'THUMBSTICK_Y',
+ 'TOUCHPAD_TOUCH_X',
+ 'TOUCHPAD_TOUCH_Y'
+ ],
+ // A mapping of the semantic name to button node name in the glTF model file,
+ // that should be transformed by button value.
+ buttonMeshNames: {
+ 'trigger': 'SELECT',
+ 'menu': 'MENU',
+ 'grip': 'GRASP',
+ 'thumbstick': 'THUMBSTICK_PRESS',
+ 'trackpad': 'TOUCHPAD_PRESS'
+ },
+ pointingPoseMeshName: 'POINTING_POSE'
+ },
+
+ bindMethods: function () {
+ this.onModelError = bind(this.onModelError, this);
+ this.onModelLoaded = bind(this.onModelLoaded, this);
+ this.onControllersUpdate = bind(this.onControllersUpdate, this);
+ this.checkIfControllerPresent = bind(this.checkIfControllerPresent, this);
+ this.onAxisMoved = bind(this.onAxisMoved, this);
+ },
+
+ init: function () {
+ var self = this;
+ var el = this.el;
+ this.onButtonChanged = bind(this.onButtonChanged, this);
+ this.onButtonDown = function (evt) { onButtonEvent(evt, 'down', self); };
+ this.onButtonUp = function (evt) { onButtonEvent(evt, 'up', self); };
+ this.onButtonTouchStart = function (evt) { onButtonEvent(evt, 'touchstart', self); };
+ this.onButtonTouchEnd = function (evt) { onButtonEvent(evt, 'touchend', self); };
+ this.onControllerConnected = function () { self.setModelVisibility(true); };
+ this.onControllerDisconnected = function () { self.setModelVisibility(false); };
+ this.controllerPresent = false;
+ this.lastControllerCheck = 0;
+ this.previousButtonValues = {};
+ this.bindMethods();
+
+ // Cache for submeshes that we have looked up by name.
+ this.loadedMeshInfo = {
+ buttonMeshes: null,
+ axisMeshes: null
+ };
+
+ // Pointing poses
+ this.rayOrigin = {
+ origin: new THREE.Vector3(),
+ direction: new THREE.Vector3(0, 0, -1),
+ createdFromMesh: false
+ };
+
+ // Stored on object to allow for mocking in tests
+ this.emitIfAxesChanged = trackedControlsUtils.emitIfAxesChanged;
+ this.checkControllerPresentAndSetup = trackedControlsUtils.checkControllerPresentAndSetup;
+
+ el.addEventListener('controllerconnected', this.onControllerConnected);
+ el.addEventListener('controllerdisconnected', this.onControllerDisconnected);
+ },
+
+ addEventListeners: function () {
+ var el = this.el;
+ el.addEventListener('buttonchanged', this.onButtonChanged);
+ el.addEventListener('buttondown', this.onButtonDown);
+ el.addEventListener('buttonup', this.onButtonUp);
+ el.addEventListener('touchstart', this.onButtonTouchStart);
+ el.addEventListener('touchend', this.onButtonTouchEnd);
+ el.addEventListener('axismove', this.onAxisMoved);
+ el.addEventListener('model-error', this.onModelError);
+ el.addEventListener('model-loaded', this.onModelLoaded);
+ this.controllerEventsActive = true;
+ },
+
+ removeEventListeners: function () {
+ var el = this.el;
+ el.removeEventListener('buttonchanged', this.onButtonChanged);
+ el.removeEventListener('buttondown', this.onButtonDown);
+ el.removeEventListener('buttonup', this.onButtonUp);
+ el.removeEventListener('touchstart', this.onButtonTouchStart);
+ el.removeEventListener('touchend', this.onButtonTouchEnd);
+ el.removeEventListener('axismove', this.onAxisMoved);
+ el.removeEventListener('model-error', this.onModelError);
+ el.removeEventListener('model-loaded', this.onModelLoaded);
+ this.controllerEventsActive = false;
+ },
+
+ checkIfControllerPresent: function () {
+ this.checkControllerPresentAndSetup(this, GAMEPAD_ID_PREFIX, {
+ hand: this.data.hand,
+ index: this.data.pair
+ });
+ },
+
+ play: function () {
+ this.checkIfControllerPresent();
+ this.addControllersUpdateListener();
+ },
+
+ pause: function () {
+ this.removeEventListeners();
+ this.removeControllersUpdateListener();
+ },
+
+ updateControllerModel: function () {
+ // If we do not want to load a model, or, have already loaded the model, emit the controllermodelready event.
+ if (!this.data.model || this.rayOrigin.createdFromMesh) {
+ this.modelReady();
+ return;
+ }
+
+ var sourceUrl = this.createControllerModelUrl();
+ this.loadModel(sourceUrl);
+ },
+
+ /**
+ * Helper function that constructs a URL from the controller ID suffix, for future proofed
+ * art assets.
+ */
+ createControllerModelUrl: function (forceDefault) {
+ // Determine the device specific folder based on the ID suffix
+ var trackedControlsComponent = this.el.components['tracked-controls'];
+ var controller = trackedControlsComponent ? trackedControlsComponent.controller : null;
+ var device = 'default';
+ var hand = this.data.hand;
+ var filename;
+
+ if (controller) {
+ // Read hand directly from the controller, rather than this.data, as in the case that the controller
+ // is unhanded this.data will still have 'left' or 'right' (depending on what the user inserted in to the scene).
+ // In this case, we want to load the universal model, so need to get the '' from the controller.
+ hand = controller.hand;
+
+ if (!forceDefault) {
+ var match = controller.id.match(GAMEPAD_ID_PATTERN);
+ device = ((match && match[0]) || device);
+ }
+ }
+
+ // Hand
+ filename = MODEL_FILENAMES[hand] || MODEL_FILENAMES.default;
+
+ // Final url
+ return MODEL_BASE_URL + device + '/' + filename;
+ },
+
+ injectTrackedControls: function () {
+ var data = this.data;
+ this.el.setAttribute('tracked-controls', {
+ idPrefix: GAMEPAD_ID_PREFIX,
+ controller: data.pair,
+ hand: data.hand,
+ armModel: false
+ });
+
+ this.updateControllerModel();
+ },
+
+ addControllersUpdateListener: function () {
+ this.el.sceneEl.addEventListener('controllersupdated', this.onControllersUpdate, false);
+ },
+
+ removeControllersUpdateListener: function () {
+ this.el.sceneEl.removeEventListener('controllersupdated', this.onControllersUpdate, false);
+ },
+
+ onControllersUpdate: function () {
+ this.checkIfControllerPresent();
+ },
+
+ onModelError: function (evt) {
+ var defaultUrl = this.createControllerModelUrl(true);
+ if (evt.detail.src !== defaultUrl) {
+ warn('Failed to load controller model for device, attempting to load default.');
+ this.loadModel(defaultUrl);
+ } else {
+ warn('Failed to load default controller model.');
+ }
+ },
+
+ loadModel: function (url) {
+ // The model is loaded by the gltf-model compoent when this attribute is initially set,
+ // removed and re-loaded if the given url changes.
+ this.el.setAttribute('gltf-model', 'url(' + url + ')');
+ },
+
+ onModelLoaded: function (evt) {
+ var rootNode = this.controllerModel = evt.detail.model;
+ var loadedMeshInfo = this.loadedMeshInfo;
+ var i;
+ var meshName;
+ var mesh;
+ var meshInfo;
+
+ debug('Processing model');
+
+ // Reset the caches
+ loadedMeshInfo.buttonMeshes = {};
+ loadedMeshInfo.axisMeshes = {};
+
+ // Cache our meshes so we aren't traversing the hierarchy per frame
+ if (rootNode) {
+ // Button Meshes
+ for (i = 0; i < this.mapping.buttons.length; i++) {
+ meshName = this.mapping.buttonMeshNames[this.mapping.buttons[i]];
+ if (!meshName) {
+ debug('Skipping unknown button at index: ' + i + ' with mapped name: ' + this.mapping.buttons[i]);
+ continue;
+ }
+
+ mesh = rootNode.getObjectByName(meshName);
+ if (!mesh) {
+ warn('Missing button mesh with name: ' + meshName);
+ continue;
+ }
+
+ meshInfo = {
+ index: i,
+ value: getImmediateChildByName(mesh, 'VALUE'),
+ pressed: getImmediateChildByName(mesh, 'PRESSED'),
+ unpressed: getImmediateChildByName(mesh, 'UNPRESSED')
+ };
+ if (meshInfo.value && meshInfo.pressed && meshInfo.unpressed) {
+ loadedMeshInfo.buttonMeshes[this.mapping.buttons[i]] = meshInfo;
+ } else {
+ // If we didn't find the mesh, it simply means this button won't have transforms applied as mapped button value changes.
+ warn('Missing button submesh under mesh with name: ' + meshName +
+ '(VALUE: ' + !!meshInfo.value +
+ ', PRESSED: ' + !!meshInfo.pressed +
+ ', UNPRESSED:' + !!meshInfo.unpressed +
+ ')');
+ }
+ }
+
+ // Axis Meshes
+ for (i = 0; i < this.mapping.axisMeshNames.length; i++) {
+ meshName = this.mapping.axisMeshNames[i];
+ if (!meshName) {
+ debug('Skipping unknown axis at index: ' + i);
+ continue;
+ }
+
+ mesh = rootNode.getObjectByName(meshName);
+ if (!mesh) {
+ warn('Missing axis mesh with name: ' + meshName);
+ continue;
+ }
+
+ meshInfo = {
+ index: i,
+ value: getImmediateChildByName(mesh, 'VALUE'),
+ min: getImmediateChildByName(mesh, 'MIN'),
+ max: getImmediateChildByName(mesh, 'MAX')
+ };
+ if (meshInfo.value && meshInfo.min && meshInfo.max) {
+ loadedMeshInfo.axisMeshes[i] = meshInfo;
+ } else {
+ // If we didn't find the mesh, it simply means this axis won't have transforms applied as mapped axis values change.
+ warn('Missing axis submesh under mesh with name: ' + meshName +
+ '(VALUE: ' + !!meshInfo.value +
+ ', MIN: ' + !!meshInfo.min +
+ ', MAX:' + !!meshInfo.max +
+ ')');
+ }
+ }
+
+ this.calculateRayOriginFromMesh(rootNode);
+ // Determine if the model has to be visible or not.
+ this.setModelVisibility();
+ }
+
+ debug('Model load complete.');
+
+ // Look through only immediate children. This will return null if no mesh exists with the given name.
+ function getImmediateChildByName (object3d, value) {
+ for (var i = 0, l = object3d.children.length; i < l; i++) {
+ var obj = object3d.children[i];
+ if (obj && obj['name'] === value) {
+ return obj;
+ }
+ }
+ return undefined;
+ }
+ },
+
+ calculateRayOriginFromMesh: (function () {
+ var quaternion = new THREE.Quaternion();
+ return function (rootNode) {
+ var mesh;
+
+ // Calculate the pointer pose (used for rays), by applying the world transform of th POINTER_POSE node
+ // in the glTF (assumes that root node is at world origin)
+ this.rayOrigin.origin.set(0, 0, 0);
+ this.rayOrigin.direction.set(0, 0, -1);
+ this.rayOrigin.createdFromMesh = true;
+
+ // Try to read Pointing pose from the source model
+ mesh = rootNode.getObjectByName(this.mapping.pointingPoseMeshName);
+ if (mesh) {
+ var parent = rootNode.parent;
+
+ // We need to read pose transforms accumulated from the root of the glTF, not the scene.
+ if (parent) {
+ rootNode.parent = null;
+ rootNode.updateMatrixWorld(true);
+ rootNode.parent = parent;
+ }
+
+ mesh.getWorldPosition(this.rayOrigin.origin);
+ mesh.getWorldQuaternion(quaternion);
+ this.rayOrigin.direction.applyQuaternion(quaternion);
+
+ // Recalculate the world matrices now that the rootNode is re-attached to the parent.
+ if (parent) {
+ rootNode.updateMatrixWorld(true);
+ }
+ } else {
+ debug('Mesh does not contain pointing origin data, defaulting to none.');
+ }
+
+ // Emit event stating that our pointing ray is now accurate.
+ this.modelReady();
+ };
+ })(),
+
+ lerpAxisTransform: (function () {
+ var quaternion = new THREE.Quaternion();
+ return function (axis, axisValue) {
+ var axisMeshInfo = this.loadedMeshInfo.axisMeshes[axis];
+ if (!axisMeshInfo) return;
+
+ var min = axisMeshInfo.min;
+ var max = axisMeshInfo.max;
+ var target = axisMeshInfo.value;
+
+ // Convert from gamepad value range (-1 to +1) to lerp range (0 to 1)
+ var lerpValue = axisValue * 0.5 + 0.5;
+ target.setRotationFromQuaternion(quaternion.copy(min.quaternion).slerp(max.quaternion, lerpValue));
+ target.position.lerpVectors(min.position, max.position, lerpValue);
+ };
+ })(),
+
+ lerpButtonTransform: (function () {
+ var quaternion = new THREE.Quaternion();
+ return function (buttonName, buttonValue) {
+ var buttonMeshInfo = this.loadedMeshInfo.buttonMeshes[buttonName];
+ if (!buttonMeshInfo) return;
+
+ var min = buttonMeshInfo.unpressed;
+ var max = buttonMeshInfo.pressed;
+ var target = buttonMeshInfo.value;
+
+ target.setRotationFromQuaternion(quaternion.copy(min.quaternion).slerp(max.quaternion, buttonValue));
+ target.position.lerpVectors(min.position, max.position, buttonValue);
+ };
+ })(),
+
+ modelReady: function () {
+ this.el.emit('controllermodelready', {
+ name: 'windows-motion-controls',
+ model: this.data.model,
+ rayOrigin: this.rayOrigin
+ });
+ },
+
+ onButtonChanged: function (evt) {
+ var buttonName = this.mapping.buttons[evt.detail.id];
+
+ if (buttonName) {
+ // Update the button mesh transform
+ if (this.loadedMeshInfo && this.loadedMeshInfo.buttonMeshes) {
+ this.lerpButtonTransform(buttonName, evt.detail.state.value);
+ }
+
+ // Only emit events for buttons that we know how to map from index to name
+ this.el.emit(buttonName + 'changed', evt.detail.state);
+ }
+ },
+
+ onAxisMoved: function (evt) {
+ var numAxes = this.mapping.axisMeshNames.length;
+
+ // Only attempt to update meshes if we have valid data.
+ if (this.loadedMeshInfo && this.loadedMeshInfo.axisMeshes) {
+ for (var axis = 0; axis < numAxes; axis++) {
+ // Update the button mesh transform
+ this.lerpAxisTransform(axis, evt.detail.axis[axis] || 0.0);
+ }
+ }
+
+ this.emitIfAxesChanged(this, this.mapping.axes, evt);
+ },
+
+ setModelVisibility: function (visible) {
+ var model = this.el.getObject3D('mesh');
+ visible = visible !== undefined ? visible : this.modelVisible;
+ this.modelVisible = visible;
+ if (!model) { return; }
+ model.visible = visible;
+ }
+});
+
+},{"../constants":116,"../core/component":125,"../utils/":195,"../utils/bind":189,"../utils/tracked-controls":200}],115:[function(_dereq_,module,exports){
+/**
+ * Animation configuration options for TWEEN.js animations.
+ * Used by `<a-animation>`.
+ */
+var TWEEN = _dereq_('@tweenjs/tween.js');
+
+var DIRECTIONS = {
+ alternate: 'alternate',
+ alternateReverse: 'alternate-reverse',
+ normal: 'normal',
+ reverse: 'reverse'
+};
+
+var EASING_FUNCTIONS = {
+ 'linear': TWEEN.Easing.Linear.None,
+
+ 'ease': TWEEN.Easing.Cubic.InOut,
+ 'ease-in': TWEEN.Easing.Cubic.In,
+ 'ease-out': TWEEN.Easing.Cubic.Out,
+ 'ease-in-out': TWEEN.Easing.Cubic.InOut,
+
+ 'ease-cubic': TWEEN.Easing.Cubic.In,
+ 'ease-in-cubic': TWEEN.Easing.Cubic.In,
+ 'ease-out-cubic': TWEEN.Easing.Cubic.Out,
+ 'ease-in-out-cubic': TWEEN.Easing.Cubic.InOut,
+
+ 'ease-quad': TWEEN.Easing.Quadratic.InOut,
+ 'ease-in-quad': TWEEN.Easing.Quadratic.In,
+ 'ease-out-quad': TWEEN.Easing.Quadratic.Out,
+ 'ease-in-out-quad': TWEEN.Easing.Quadratic.InOut,
+
+ 'ease-quart': TWEEN.Easing.Quartic.InOut,
+ 'ease-in-quart': TWEEN.Easing.Quartic.In,
+ 'ease-out-quart': TWEEN.Easing.Quartic.Out,
+ 'ease-in-out-quart': TWEEN.Easing.Quartic.InOut,
+
+ 'ease-quint': TWEEN.Easing.Quintic.InOut,
+ 'ease-in-quint': TWEEN.Easing.Quintic.In,
+ 'ease-out-quint': TWEEN.Easing.Quintic.Out,
+ 'ease-in-out-quint': TWEEN.Easing.Quintic.InOut,
+
+ 'ease-sine': TWEEN.Easing.Sinusoidal.InOut,
+ 'ease-in-sine': TWEEN.Easing.Sinusoidal.In,
+ 'ease-out-sine': TWEEN.Easing.Sinusoidal.Out,
+ 'ease-in-out-sine': TWEEN.Easing.Sinusoidal.InOut,
+
+ 'ease-expo': TWEEN.Easing.Exponential.InOut,
+ 'ease-in-expo': TWEEN.Easing.Exponential.In,
+ 'ease-out-expo': TWEEN.Easing.Exponential.Out,
+ 'ease-in-out-expo': TWEEN.Easing.Exponential.InOut,
+
+ 'ease-circ': TWEEN.Easing.Circular.InOut,
+ 'ease-in-circ': TWEEN.Easing.Circular.In,
+ 'ease-out-circ': TWEEN.Easing.Circular.Out,
+ 'ease-in-out-circ': TWEEN.Easing.Circular.InOut,
+
+ 'ease-elastic': TWEEN.Easing.Elastic.InOut,
+ 'ease-in-elastic': TWEEN.Easing.Elastic.In,
+ 'ease-out-elastic': TWEEN.Easing.Elastic.Out,
+ 'ease-in-out-elastic': TWEEN.Easing.Elastic.InOut,
+
+ 'ease-back': TWEEN.Easing.Back.InOut,
+ 'ease-in-back': TWEEN.Easing.Back.In,
+ 'ease-out-back': TWEEN.Easing.Back.Out,
+ 'ease-in-out-back': TWEEN.Easing.Back.InOut,
+
+ 'ease-bounce': TWEEN.Easing.Bounce.InOut,
+ 'ease-in-bounce': TWEEN.Easing.Bounce.In,
+ 'ease-out-bounce': TWEEN.Easing.Bounce.Out,
+ 'ease-in-out-bounce': TWEEN.Easing.Bounce.InOut
+};
+
+var FILLS = {
+ backwards: 'backwards',
+ both: 'both',
+ forwards: 'forwards',
+ none: 'none'
+};
+
+var REPEATS = {
+ indefinite: 'indefinite'
+};
+
+var DEFAULTS = {
+ attribute: 'rotation',
+ begin: '',
+ end: '',
+ delay: 0,
+ dur: 1000,
+ easing: 'ease',
+ direction: DIRECTIONS.normal,
+ fill: FILLS.forwards,
+ from: undefined,
+ repeat: 0,
+ to: undefined
+};
+
+module.exports.defaults = DEFAULTS;
+module.exports.directions = DIRECTIONS;
+module.exports.easingFunctions = EASING_FUNCTIONS;
+module.exports.fills = FILLS;
+module.exports.repeats = REPEATS;
+
+},{"@tweenjs/tween.js":1}],116:[function(_dereq_,module,exports){
+module.exports = {
+ AFRAME_INJECTED: 'aframe-injected',
+ DEFAULT_CAMERA_HEIGHT: 1.6,
+ DEFAULT_HANDEDNESS: 'right',
+ animation: _dereq_('./animation'),
+ keyboardevent: _dereq_('./keyboardevent')
+};
+
+},{"./animation":115,"./keyboardevent":117}],117:[function(_dereq_,module,exports){
+module.exports = {
+ // Tiny KeyboardEvent.code polyfill.
+ KEYCODE_TO_CODE: {
+ '38': 'ArrowUp',
+ '37': 'ArrowLeft',
+ '40': 'ArrowDown',
+ '39': 'ArrowRight',
+ '87': 'KeyW',
+ '65': 'KeyA',
+ '83': 'KeyS',
+ '68': 'KeyD'
+ }
+};
+
+},{}],118:[function(_dereq_,module,exports){
+var ANode = _dereq_('./a-node');
+var animationConstants = _dereq_('../constants/animation');
+var coordinates = _dereq_('../utils/').coordinates;
+var parseProperty = _dereq_('./schema').parseProperty;
+var registerElement = _dereq_('./a-register-element').registerElement;
+var TWEEN = _dereq_('@tweenjs/tween.js');
+var THREE = _dereq_('../lib/three');
+var utils = _dereq_('../utils/');
+var bind = utils.bind;
+
+var getComponentProperty = utils.entity.getComponentProperty;
+var DEFAULTS = animationConstants.defaults;
+var DIRECTIONS = animationConstants.directions;
+var EASING_FUNCTIONS = animationConstants.easingFunctions;
+var FILLS = animationConstants.fills;
+var REPEATS = animationConstants.repeats;
+var isCoordinates = coordinates.isCoordinates;
+
+/**
+ * Animation element that applies Tween animation to parent element (entity).
+ * Takes after the Web Animations spec.
+ *
+ * @member {number} count - Decrementing counter for how many cycles of animations left to
+ * run.
+ * @member {Element} el - Entity which the animation is modifying.
+ * @member initialValue - Value before animation started. Used to restore state.
+ * @member {bool} isRunning - Whether animation is currently running.
+ * @member {function} partialSetAttribute -
+ * setAttribute function that is agnostic to whether we are setting an attribute value
+ * or a component property value. The el and the attribute names are bundled with
+ * the function.
+ * @member {object} tween - tween.js object.
+ */
+module.exports.AAnimation = registerElement('a-animation', {
+ prototype: Object.create(ANode.prototype, {
+ createdCallback: {
+ value: function () {
+ this.bindMethods();
+ this.isRunning = false;
+ this.partialSetAttribute = function () { /* no-op */ };
+ this.tween = null;
+ }
+ },
+
+ attachedCallback: {
+ value: function () {
+ this.el = this.parentNode;
+ this.handleMixinUpdate();
+ this.update();
+ this.load();
+ }
+ },
+
+ attributeChangedCallback: {
+ value: function (attr, oldVal, newVal) {
+ if (!this.hasLoaded || !this.isRunning) { return; }
+ this.stop();
+ this.handleMixinUpdate();
+ this.update();
+ }
+ },
+
+ detachedCallback: {
+ value: function () {
+ if (!this.isRunning) { return; }
+ this.stop();
+ }
+ },
+
+ /**
+ * Builds a Tween object to handle animations.
+ * Uses tween.js's from, to, delay, easing, repeat, onUpdate, and onComplete.
+ * Note: tween.js takes objects for its `from` and `to` values.
+ *
+ * @returns {object}
+ */
+ getTween: {
+ value: function () {
+ var self = this;
+ var data = self.data;
+ var el = self.el;
+ var animationValues;
+ var attribute = data.attribute;
+ var delay = parseInt(data.delay, 10);
+ var currentValue = getComponentProperty(el, attribute);
+ var direction = self.getDirection(data.direction);
+ var easing = EASING_FUNCTIONS[data.easing];
+ var fill = data.fill;
+ var from;
+ var repeat = data.repeat === REPEATS.indefinite ? Infinity : 0;
+ var to;
+ var toTemp;
+ var yoyo = false;
+
+ animationValues = getAnimationValues(el, attribute, data.from || self.initialValue, data.to, currentValue);
+ from = animationValues.from;
+ to = animationValues.to;
+ self.partialSetAttribute = animationValues.partialSetAttribute;
+
+ if (self.count === undefined) {
+ self.count = repeat === Infinity ? 0 : parseInt(data.repeat, 10);
+ }
+
+ if (isNaN(delay)) { delay = 0; }
+
+ // Store initial state.
+ self.initialValue = self.initialValue || cloneValue(currentValue);
+
+ // Handle indefinite + forwards + alternate yoyo edge-case (#405).
+ if (repeat === Infinity && fill === FILLS.forwards &&
+ [DIRECTIONS.alternate,
+ DIRECTIONS.alternateReverse].indexOf(data.direction) !== -1) {
+ yoyo = true;
+ }
+
+ // If reversing, swap from and to.
+ if (direction === DIRECTIONS.reverse) {
+ toTemp = to;
+ to = cloneValue(from);
+ from = cloneValue(toTemp);
+ }
+
+ // If fill is backwards or both, start animation at the specified from.
+ if ([FILLS.backwards, FILLS.both].indexOf(fill) !== -1) {
+ self.partialSetAttribute(from);
+ }
+
+ // Create Tween.
+ return new TWEEN.Tween(cloneValue(from))
+ .to(to, data.dur)
+ .delay(delay)
+ .easing(easing)
+ .repeat(repeat)
+ .yoyo(yoyo)
+ .onUpdate(function () {
+ self.partialSetAttribute(this);
+ })
+ .onComplete(bind(self.onCompleted, self));
+ }
+ },
+
+ /**
+ * Animation parameters changed. Stop current animation, get a new one, and start it.
+ */
+ update: {
+ value: function () {
+ var data = this.data;
+ // Terminology warning if infinite used instead of indefinite
+ if (data.repeat === 'infinite') {
+ console.warn("Using 'infinite' as 'repeat' value is invalid. Use 'indefinite' instead.");
+ }
+ // Deprecation warning for begin when used as a delay.
+ if (data.begin !== '' && !isNaN(data.begin)) {
+ console.warn("Using 'begin' to specify a delay is deprecated. Use 'delay' instead.");
+ data.delay = data.begin;
+ data.begin = '';
+ }
+ var begin = data.begin;
+ var end = data.end;
+ // Cancel previous event listeners
+ if (this.evt) { this.removeEventListeners(this.evt); }
+ // Store new event name.
+ this.evt = {begin: begin, end: end};
+ // Add new event listeners
+ this.addEventListeners(this.evt);
+ // If `begin` is not defined, start the animation right away.
+ if (begin === '') {
+ this.stop();
+ this.start();
+ }
+ },
+ writable: window.debug
+ },
+
+ /**
+ * Callback for when a cycle of an animation is complete. Handles when to completely
+ * finish the animation.
+ *
+ * If `repeat` is set to a value, this method is called after each repeat. Repeats are
+ * handled by ending the current animation and creating a new one with `count` updated.
+ * Note that this method is *not* called if repeat is set to `indefinite`.
+ */
+ onCompleted: {
+ value: function () {
+ var data = this.data;
+ this.isRunning = false;
+ if ([FILLS.backwards, FILLS.none].indexOf(data.fill) !== -1) {
+ this.partialSetAttribute(this.initialValue);
+ }
+ if (this.count === 0) {
+ this.count = undefined;
+ this.emit('animationend');
+ return;
+ }
+ this.isRunning = false;
+ this.count--;
+ this.start();
+ }
+ },
+
+ start: {
+ value: function () {
+ var self = this;
+ // Postpone animation start until the entity has loaded
+ if (!this.el.hasLoaded) {
+ this.el.addEventListener('loaded', function () { self.start(); });
+ return;
+ }
+ if (this.isRunning || !this.el.isPlaying) { return; }
+ this.tween = this.getTween();
+ this.isRunning = true;
+ this.tween.start();
+ this.emit('animationstart');
+ },
+ writable: true
+ },
+
+ stop: {
+ value: function () {
+ var tween = this.tween;
+ if (!tween) { return; }
+ tween.stop();
+ this.isRunning = false;
+ if ([FILLS.backwards, FILLS.none].indexOf(this.data.fill) !== -1) {
+ this.partialSetAttribute(this.initialValue);
+ }
+ this.emit('animationstop');
+ },
+ writable: true
+ },
+
+ /**
+ * Handle alternating directions. Given the current direction, calculate the next one,
+ * and store the current one.
+ *
+ * @param {string} direction
+ * @returns {string} Direction that the next individual cycle of the animation will go
+ * towards.
+ */
+ getDirection: {
+ value: function (direction) {
+ if (direction === DIRECTIONS.alternate) {
+ this.prevDirection =
+ this.prevDirection === DIRECTIONS.normal ? DIRECTIONS.reverse : DIRECTIONS.normal;
+ return this.prevDirection;
+ }
+ if (direction === DIRECTIONS.alternateReverse) {
+ this.prevDirection =
+ this.prevDirection === DIRECTIONS.reverse ? DIRECTIONS.normal : DIRECTIONS.reverse;
+ return this.prevDirection;
+ }
+ return direction;
+ }
+ },
+
+ /**
+ * Preemptive binding to attach/detach event listeners (see `update`).
+ */
+ bindMethods: {
+ value: function () {
+ this.start = bind(this.start, this);
+ this.stop = bind(this.stop, this);
+ this.onStateAdded = bind(this.onStateAdded, this);
+ this.onStateRemoved = bind(this.onStateRemoved, this);
+ }
+ },
+
+ addEventListeners: {
+ value: function (evts) {
+ var el = this.el;
+ var self = this;
+ utils.splitString(evts.begin).forEach(function (evt) {
+ el.addEventListener(evt, self.start);
+ });
+ utils.splitString(evts.end).forEach(function (evt) {
+ el.addEventListener(evt, self.stop);
+ });
+ // If "begin" is an event name, wait. If it is not defined, start.
+ if (evts.begin === '') { el.addEventListener('play', this.start); }
+ el.addEventListener('pause', this.stop);
+ el.addEventListener('stateadded', this.onStateAdded);
+ el.addEventListener('stateremoved', this.onStateRemoved);
+ }
+ },
+
+ removeEventListeners: {
+ value: function (evts) {
+ var el = this.el;
+ var start = this.start;
+ var stop = this.stop;
+ utils.splitString(evts.begin).forEach(function (evt) {
+ el.removeEventListener(evt, start);
+ });
+ utils.splitString(evts.end).forEach(function (evt) {
+ el.removeEventListener(evt, stop);
+ });
+ el.removeEventListener('stateadded', this.onStateAdded);
+ el.removeEventListener('stateremoved', this.onStateRemoved);
+ }
+ },
+
+ onStateAdded: {
+ value: function (evt) {
+ if (evt.detail.state === this.data.begin) { this.start(); }
+ },
+ writable: true
+ },
+
+ onStateRemoved: {
+ value: function (evt) {
+ if (evt.detail.state === this.data.begin) { this.stop(); }
+ },
+ writable: true
+ },
+
+ /**
+ * Applies animation data from a mixin element.
+ * Works the same as component mixins but reimplemented because animations
+ * aren't components.
+ */
+ handleMixinUpdate: {
+ value: function () {
+ var data = {};
+ var elData;
+ var mixinData;
+ var mixinEl;
+
+ // Get mixin data.
+ mixinEl = document.querySelector('#' + this.getAttribute('mixin'));
+ mixinData = mixinEl ? utils.getElData(mixinEl, DEFAULTS) : {};
+
+ elData = utils.getElData(this, DEFAULTS);
+ utils.extend(data, DEFAULTS, mixinData, elData);
+ this.data = data;
+ }
+ }
+ })
+});
+
+function cloneValue (val) {
+ return utils.extend({}, val);
+}
+
+/**
+ * Deduces different animation values based on whether we are:
+ * - animating an inner attribute of a component.
+ * - animating a coordinate component.
+ * - animating a boolean.
+ * - animating a number.
+ *
+ * @param {Element} el
+ * @param {string} attribute - Tells what to animate based on whether it is dot-separated.
+ * @param {string} dataFrom - Data `from` value.
+ * @param {string} dataTo - Data `to` value.
+ * @param currentValue
+ * @returns {object}
+ * Object with keys [from, to, partialSetAttribute].
+ * `from` and `to`
+ * Objects where key is attribute being animated and value is value.
+ * `partialSetAttribute`
+ * Closured-function that tells tween how to update the component.
+ */
+function getAnimationValues (el, attribute, dataFrom, dataTo, currentValue) {
+ var attributeSplit = attribute.split('.');
+ var schema;
+ var component;
+ var componentPropName;
+ var componentName;
+ var from = {};
+ var partialSetAttribute;
+ var to = {};
+ if (attributeSplit.length === 2) {
+ if (isColor()) {
+ getForColorComponent();
+ } else {
+ getForComponentAttribute();
+ }
+ } else if (dataTo && isCoordinates(dataTo)) {
+ getForCoordinateComponent();
+ } else if (['true', 'false'].indexOf(dataTo) !== -1) {
+ getForBoolean();
+ } else if (isNaN(dataTo)) {
+ getForColorComponent();
+ } else {
+ getForNumber();
+ }
+ return {
+ from: from,
+ partialSetAttribute: partialSetAttribute,
+ to: to
+ };
+
+ /**
+ * Match the schema type to color
+ * @return {bool} if the schema is of type color
+ */
+ function isColor () {
+ var componentName = attributeSplit[0];
+ var propertyName = attributeSplit[1];
+ var component = el.components[componentName];
+ var schema = component && component.schema;
+ return schema && schema[propertyName] && schema[propertyName].type === 'color';
+ }
+
+ /**
+ * Animating a component that has multiple attributes (e.g., geometry.width).
+ */
+ function getForComponentAttribute () {
+ componentName = attributeSplit[0];
+ componentPropName = attributeSplit[1];
+ component = el.components[componentName];
+ if (!component) {
+ el.setAttribute(componentName, '');
+ component = el.components[componentName];
+ }
+ schema = component.schema;
+ if (dataFrom === undefined) { // dataFrom can be 0.
+ from[attribute] = getComponentProperty(el, attribute);
+ } else {
+ from[attribute] = dataFrom;
+ }
+ from[attribute] = parseProperty(from[attribute], schema[componentPropName]);
+ to[attribute] = parseProperty(dataTo, schema[componentPropName]);
+ partialSetAttribute = function (value) {
+ if (!(attribute in value)) { return; }
+ el.setAttribute(componentName, componentPropName, value[attribute]);
+ };
+ }
+
+ /**
+ * Animating a component that is an XYZ coordinate (e.g., position).
+ * Will be tweening {x, y, z} all at once.
+ */
+ function getForCoordinateComponent () {
+ from = dataFrom ? coordinates.parse(dataFrom) : currentValue;
+ to = coordinates.parse(dataTo);
+ partialSetAttribute = function (value) {
+ el.setAttribute(attribute, value);
+ };
+ }
+
+ /**
+ * Animation a boolean (e.g., visible).
+ * Have to convert from boolean to an integer (0 is false, > 0 is true) for tween.
+ */
+ function getForBoolean () {
+ if (dataFrom === undefined) {
+ from[attribute] = false;
+ } else {
+ from[attribute] = strToBool(dataFrom);
+ }
+ from[attribute] = boolToNum(from[attribute]);
+ to[attribute] = boolToNum(strToBool(dataTo));
+ partialSetAttribute = function (value) {
+ el.setAttribute(attribute, !!value[attribute]);
+ };
+ }
+
+ /**
+ * Animating a color component
+ * Will convert a hex value to a THREE.Color
+ * Then converts to hex for the setAttribute
+ */
+ function getForColorComponent () {
+ from = new THREE.Color(dataFrom || el.getAttribute(attribute));
+ to = new THREE.Color(dataTo);
+ partialSetAttribute = function (value) {
+ if (attributeSplit.length > 1) {
+ el.setAttribute(attributeSplit[0], attributeSplit[1], rgbVectorToHex(value));
+ }
+ el.setAttribute(attribute, rgbVectorToHex(value));
+ };
+ }
+
+ /**
+ * Animating a numbered attribute (e.g., opacity).
+ */
+ function getForNumber () {
+ if (dataFrom === undefined) { // dataFrom can be 0.
+ from[attribute] = parseFloat(el.getAttribute(attribute));
+ } else {
+ from[attribute] = parseFloat(dataFrom);
+ }
+ to[attribute] = parseFloat(dataTo);
+ partialSetAttribute = function (value) {
+ el.setAttribute(attribute, value[attribute]);
+ };
+ }
+}
+module.exports.getAnimationValues = getAnimationValues;
+
+/**
+ * Converts string to bool.
+ *
+ * @param {string} str - `true` or `false`.
+ * @returns {bool}
+ */
+function strToBool (str) {
+ if (str === 'true') { return true; }
+ return false;
+}
+
+/**
+ * Converts boolean to number.
+ *
+ * @param {bool}
+ * @returns {number}
+ */
+function boolToNum (bool) {
+ return bool ? 1 : 0;
+}
+
+/**
+ * Converts a number 0-255 to hex
+ * @param {number} color number 0 - 255
+ * @returns {string} hex value of number bassed
+ */
+function componentToHex (color) {
+ var hex = color.toString(16);
+ return hex.length === 1 ? '0' + hex : hex;
+}
+
+/**
+ * Clamps a number to 0-1
+ * Then converts that number to 0-255
+ * @param {number} color number 0 - 1
+ * @returns {number} color number 0 - 255
+ */
+function convertToIntegerColor (color) {
+ return Math.floor(Math.min(Math.abs(color), 1) * 255);
+}
+
+/**
+ * Converts a rgb object into a hex string
+ * @param {object} color { r: 1, g: 1, b: 1 }
+ * @returns {string} hex value #ffffff
+ */
+function rgbVectorToHex (color) {
+ return '#' + ['r', 'g', 'b'].map(function (prop) {
+ return componentToHex(convertToIntegerColor(color[prop]));
+ }).join('');
+}
+
+},{"../constants/animation":115,"../lib/three":173,"../utils/":195,"./a-node":123,"./a-register-element":124,"./schema":133,"@tweenjs/tween.js":1}],119:[function(_dereq_,module,exports){
+var ANode = _dereq_('./a-node');
+var bind = _dereq_('../utils/bind');
+var debug = _dereq_('../utils/debug');
+var registerElement = _dereq_('./a-register-element').registerElement;
+var THREE = _dereq_('../lib/three');
+
+var fileLoader = new THREE.FileLoader();
+var warn = debug('core:a-assets:warn');
+
+/**
+ * Asset management system. Handles blocking on asset loading.
+ */
+module.exports = registerElement('a-assets', {
+ prototype: Object.create(ANode.prototype, {
+ createdCallback: {
+ value: function () {
+ this.isAssets = true;
+ this.fileLoader = fileLoader;
+ this.timeout = null;
+ }
+ },
+
+ attachedCallback: {
+ value: function () {
+ var self = this;
+ var i;
+ var loaded = [];
+ var mediaEl;
+ var mediaEls;
+ var imgEl;
+ var imgEls;
+ var timeout;
+
+ if (!this.parentNode.isScene) {
+ throw new Error('<a-assets> must be a child of a <a-scene>.');
+ }
+
+ // Wait for <img>s.
+ imgEls = this.querySelectorAll('img');
+ for (i = 0; i < imgEls.length; i++) {
+ imgEl = fixUpMediaElement(imgEls[i]);
+ loaded.push(new Promise(function (resolve, reject) {
+ // Set in cache because we won't be needing to call three.js loader if we have.
+ // a loaded media element.
+ THREE.Cache.files[imgEls[i].getAttribute('src')] = imgEl;
+ imgEl.onload = resolve;
+ imgEl.onerror = reject;
+ }));
+ }
+
+ // Wait for <audio>s and <video>s.
+ mediaEls = this.querySelectorAll('audio, video');
+ for (i = 0; i < mediaEls.length; i++) {
+ mediaEl = fixUpMediaElement(mediaEls[i]);
+ if (!mediaEl.src && !mediaEl.srcObject) {
+ warn('Audio/video asset has neither `src` nor `srcObject` attributes.');
+ }
+ loaded.push(mediaElementLoaded(mediaEl));
+ }
+
+ // Trigger loaded for scene to start rendering.
+ Promise.all(loaded).then(bind(this.load, this));
+
+ // Timeout to start loading anyways.
+ timeout = parseInt(this.getAttribute('timeout'), 10) || 3000;
+ this.timeout = setTimeout(function () {
+ if (self.hasLoaded) { return; }
+ warn('Asset loading timed out in ', timeout, 'ms');
+ self.emit('timeout');
+ self.load();
+ }, timeout);
+ }
+ },
+
+ detachedCallback: {
+ value: function () {
+ if (this.timeout) { clearTimeout(this.timeout); }
+ }
+ },
+
+ load: {
+ value: function () {
+ ANode.prototype.load.call(this, null, function waitOnFilter (el) {
+ return el.isAssetItem && el.hasAttribute('src');
+ });
+ }
+ }
+ })
+});
+
+/**
+ * Preload using XHRLoader for any type of asset.
+ */
+registerElement('a-asset-item', {
+ prototype: Object.create(ANode.prototype, {
+ createdCallback: {
+ value: function () {
+ this.data = null;
+ this.isAssetItem = true;
+ }
+ },
+
+ attachedCallback: {
+ value: function () {
+ var self = this;
+ var src = this.getAttribute('src');
+ fileLoader.setResponseType(
+ this.getAttribute('response-type') || inferResponseType(src));
+ fileLoader.load(src, function handleOnLoad (response) {
+ self.data = response;
+ /*
+ Workaround for a Chrome bug. If another XHR is sent to the same url before the
+ previous one closes, the second request never finishes.
+ setTimeout finishes the first request and lets the logic triggered by load open
+ subsequent requests.
+ setTimeout can be removed once the fix for the bug below ships:
+ https://bugs.chromium.org/p/chromium/issues/detail?id=633696&q=component%3ABlink%3ENetwork%3EXHR%20&colspec=ID%20Pri%20M%20Stars%20ReleaseBlock%20Component%20Status%20Owner%20Summary%20OS%20Modified
+ */
+ setTimeout(function load () { ANode.prototype.load.call(self); });
+ }, function handleOnProgress (xhr) {
+ self.emit('progress', {
+ loadedBytes: xhr.loaded,
+ totalBytes: xhr.total,
+ xhr: xhr
+ });
+ }, function handleOnError (xhr) {
+ self.emit('error', {xhr: xhr});
+ });
+ }
+ }
+ })
+});
+
+/**
+ * Create a Promise that resolves once the media element has finished buffering.
+ *
+ * @param {Element} el - HTMLMediaElement.
+ * @returns {Promise}
+ */
+function mediaElementLoaded (el) {
+ if (!el.hasAttribute('autoplay') && el.getAttribute('preload') !== 'auto') {
+ return;
+ }
+
+ // If media specifies autoplay or preload, wait until media is completely buffered.
+ return new Promise(function (resolve, reject) {
+ if (el.readyState === 4) { return resolve(); } // Already loaded.
+ if (el.error) { return reject(); } // Error.
+
+ el.addEventListener('loadeddata', checkProgress, false);
+ el.addEventListener('progress', checkProgress, false);
+ el.addEventListener('error', reject, false);
+
+ function checkProgress () {
+ // Add up the seconds buffered.
+ var secondsBuffered = 0;
+ for (var i = 0; i < el.buffered.length; i++) {
+ secondsBuffered += el.buffered.end(i) - el.buffered.start(i);
+ }
+
+ // Compare seconds buffered to media duration.
+ if (secondsBuffered >= el.duration) {
+ // Set in cache because we won't be needing to call three.js loader if we have.
+ // a loaded media element.
+ THREE.Cache.files[el.getAttribute('src')] = el;
+ resolve();
+ }
+ }
+ });
+}
+
+/**
+ * Automatically add attributes to media elements where convenient.
+ * crossorigin, playsinline.
+ */
+function fixUpMediaElement (mediaEl) {
+ // Cross-origin.
+ var newMediaEl = setCrossOrigin(mediaEl);
+
+ // Plays inline for mobile.
+ if (newMediaEl.tagName && newMediaEl.tagName.toLowerCase() === 'video') {
+ newMediaEl.setAttribute('playsinline', '');
+ newMediaEl.setAttribute('webkit-playsinline', '');
+ }
+
+ if (newMediaEl !== mediaEl) {
+ mediaEl.parentNode.appendChild(newMediaEl);
+ mediaEl.parentNode.removeChild(mediaEl);
+ }
+ return newMediaEl;
+}
+
+/**
+ * Automatically set `crossorigin` if not defined on the media element.
+ * If it is not defined, we must create and re-append a new media element <img> and
+ * have the browser re-request it with `crossorigin` set.
+ *
+ * @param {Element} Media element (e.g., <img>, <audio>, <video>).
+ * @returns {Element} Media element to be used to listen to for loaded events.
+ */
+function setCrossOrigin (mediaEl) {
+ var newMediaEl;
+ var src;
+
+ // Already has crossorigin set.
+ if (mediaEl.hasAttribute('crossorigin')) { return mediaEl; }
+
+ src = mediaEl.getAttribute('src');
+
+ if (src !== null) {
+ // Does not have protocol.
+ if (src.indexOf('://') === -1) { return mediaEl; }
+
+ // Determine if cross origin is actually needed.
+ if (extractDomain(src) === window.location.host) { return mediaEl; }
+ }
+
+ warn('Cross-origin element (e.g., <img>) was requested without `crossorigin` set. ' +
+ 'A-Frame will re-request the asset with `crossorigin` attribute set. ' +
+ 'Please set `crossorigin` on the element (e.g., <img crossorigin="anonymous">)', src);
+ mediaEl.crossOrigin = 'anonymous';
+ newMediaEl = mediaEl.cloneNode(true);
+ return newMediaEl;
+}
+
+/**
+ * Extract domain out of URL.
+ *
+ * @param {string} url
+ * @returns {string}
+ */
+function extractDomain (url) {
+ // Find and remove protocol (e.g., http, ftp, etc.) to get domain.
+ var domain = url.indexOf('://') > -1 ? url.split('/')[2] : url.split('/')[0];
+
+ // Find and remove port number.
+ return domain.substring(0, domain.indexOf(':'));
+}
+
+/**
+ * Infer response-type attribute from src.
+ * Default is text(default XMLHttpRequest.responseType)
+ * but we use arraybuffer for .gltf and .glb files
+ * because of THREE.GLTFLoader specification.
+ *
+ * @param {string} src
+ * @returns {string}
+ */
+function inferResponseType (src) {
+ var dotLastIndex = src.lastIndexOf('.');
+ if (dotLastIndex >= 0) {
+ var extension = src.slice(dotLastIndex, src.length);
+ if (extension === '.gltf' || extension === '.glb') {
+ return 'arraybuffer';
+ }
+ }
+ return 'text';
+}
+module.exports.inferResponseType = inferResponseType;
+
+},{"../lib/three":173,"../utils/bind":189,"../utils/debug":191,"./a-node":123,"./a-register-element":124}],120:[function(_dereq_,module,exports){
+var debug = _dereq_('../utils/debug');
+var registerElement = _dereq_('./a-register-element').registerElement;
+
+var warn = debug('core:cubemap:warn');
+
+/**
+ * Cubemap element that handles validation and exposes list of URLs.
+ * Does not listen to updates.
+ */
+module.exports = registerElement('a-cubemap', {
+ prototype: Object.create(window.HTMLElement.prototype, {
+ /**
+ * Calculates this.srcs.
+ */
+ attachedCallback: {
+ value: function () {
+ this.srcs = this.validate();
+ },
+ writable: window.debug
+ },
+
+ /**
+ * Checks for exactly six elements with [src].
+ * Does not check explicitly for <img>s in case user does not want
+ * prefetching.
+ *
+ * @returns {Array|null} - six URLs if valid, else null.
+ */
+ validate: {
+ value: function () {
+ var elements = this.querySelectorAll('[src]');
+ var i;
+ var srcs = [];
+ if (elements.length === 6) {
+ for (i = 0; i < elements.length; i++) {
+ srcs.push(elements[i].getAttribute('src'));
+ }
+ return srcs;
+ }
+ // Else if there are not six elements, throw a warning.
+ warn(
+ '<a-cubemap> did not contain exactly six elements each with a ' +
+ '`src` attribute.');
+ },
+ writable: window.debug
+ }
+ })
+});
+
+},{"../utils/debug":191,"./a-register-element":124}],121:[function(_dereq_,module,exports){
+var ANode = _dereq_('./a-node');
+var COMPONENTS = _dereq_('./component').components;
+var registerElement = _dereq_('./a-register-element').registerElement;
+var THREE = _dereq_('../lib/three');
+var utils = _dereq_('../utils/');
+
+var AEntity;
+var debug = utils.debug('core:a-entity:debug');
+var warn = utils.debug('core:a-entity:warn');
+
+var MULTIPLE_COMPONENT_DELIMITER = '__';
+
+/**
+ * Entity is a container object that components are plugged into to comprise everything in
+ * the scene. In A-Frame, they inherently have position, rotation, and scale.
+ *
+ * To be able to take components, the scene element inherits from the entity definition.
+ *
+ * @member {object} components - entity's currently initialized components.
+ * @member {object} object3D - three.js object.
+ * @member {array} states
+ * @member {boolean} isPlaying - false if dynamic behavior of the entity is paused.
+ */
+var proto = Object.create(ANode.prototype, {
+ defaultComponents: {
+ value: {
+ position: '',
+ rotation: '',
+ scale: '',
+ visible: ''
+ }
+ },
+
+ createdCallback: {
+ value: function () {
+ this.components = {};
+ // To avoid double initializations and infinite loops.
+ this.initializingComponents = {};
+ this.componentsToUpdate = {};
+ this.isEntity = true;
+ this.isPlaying = false;
+ this.object3D = new THREE.Group();
+ this.object3D.el = this;
+ this.object3DMap = {};
+ this.parentEl = null;
+ this.rotationObj = {};
+ this.states = [];
+ }
+ },
+
+ /**
+ * Handle changes coming from the browser DOM inspector.
+ */
+ attributeChangedCallback: {
+ value: function (attr, oldVal, newVal) {
+ var component = this.components[attr];
+ // If the empty string is passed by the component initialization
+ // logic we ignore the component update.
+ if (component && component.justInitialized && newVal === '') {
+ delete component.justInitialized;
+ return;
+ }
+ // When a component is removed after calling el.removeAttribute('material')
+ if (!component && newVal === null) { return; }
+ this.setEntityAttribute(attr, oldVal, newVal);
+ }
+ },
+
+ /**
+ * Add to parent, load, play.
+ */
+ attachedCallback: {
+ value: function () {
+ var assetsEl; // Asset management system element.
+ var sceneEl = this.sceneEl;
+ var self = this; // Component.
+
+ this.addToParent();
+
+ // Don't .load() scene on attachedCallback.
+ if (this.isScene) { return; }
+
+ // Gracefully not error when outside of <a-scene> (e.g., tests).
+ if (!sceneEl) {
+ this.load();
+ return;
+ }
+
+ // Wait for asset management system to finish before loading.
+ assetsEl = sceneEl.querySelector('a-assets');
+ if (assetsEl && !assetsEl.hasLoaded) {
+ assetsEl.addEventListener('loaded', function () { self.load(); });
+ return;
+ }
+ this.load();
+ }
+ },
+
+ /**
+ * Tell parent to remove this element's object3D from its object3D.
+ * Do not call on scene element because that will cause a call to document.body.remove().
+ */
+ detachedCallback: {
+ value: function () {
+ var componentName;
+
+ if (!this.parentEl) { return; }
+
+ // Remove components.
+ for (componentName in this.components) { this.removeComponent(componentName); }
+
+ if (this.isScene) { return; }
+
+ this.removeFromParent();
+ ANode.prototype.detachedCallback.call(this);
+
+ // Remove cyclic reference.
+ this.object3D.el = null;
+ }
+ },
+
+ /**
+ * Apply mixin to component.
+ */
+ handleMixinUpdate: {
+ value: function (attrName) {
+ if (!attrName) {
+ this.updateComponents();
+ return;
+ }
+ this.updateComponent(attrName, this.getDOMAttribute(attrName));
+ }
+ },
+
+ getObject3D: {
+ value: function (type) {
+ return this.object3DMap[type];
+ }
+ },
+
+ /**
+ * Set a THREE.Object3D into the map.
+ *
+ * @param {string} type - Developer-set name of the type of object, will be unique per type.
+ * @param {object} obj - A THREE.Object3D.
+ */
+ setObject3D: {
+ value: function (type, obj) {
+ var oldObj;
+ var self = this;
+
+ if (!(obj instanceof THREE.Object3D)) {
+ throw new Error(
+ '`Entity.setObject3D` was called with an object that was not an instance of ' +
+ 'THREE.Object3D.'
+ );
+ }
+
+ // Remove existing object of the type.
+ oldObj = this.getObject3D(type);
+ if (oldObj) { this.object3D.remove(oldObj); }
+
+ // Set references to A-Frame entity.
+ obj.el = this;
+ if (obj.children.length) {
+ obj.traverse(function bindEl (child) {
+ child.el = self;
+ });
+ }
+
+ // Add.
+ this.object3D.add(obj);
+ this.object3DMap[type] = obj;
+ this.emit('object3dset', {object: obj, type: type});
+ }
+ },
+
+ /**
+ * Remove object from scene and entity object3D map.
+ */
+ removeObject3D: {
+ value: function (type) {
+ var obj = this.getObject3D(type);
+ if (!obj) {
+ warn('Tried to remove `Object3D` of type:', type, 'which was not defined.');
+ return;
+ }
+ this.object3D.remove(obj);
+ delete this.object3DMap[type];
+ this.emit('object3dremove', {type: type});
+ }
+ },
+
+ /**
+ * Gets or creates an object3D of a given type.
+ *
+ * @param {string} type - Type of the object3D.
+ * @param {string} Constructor - Constructor to use to create the object3D if needed.
+ * @returns {object}
+ */
+ getOrCreateObject3D: {
+ value: function (type, Constructor) {
+ var object3D = this.getObject3D(type);
+ if (!object3D && Constructor) {
+ object3D = new Constructor();
+ this.setObject3D(type, object3D);
+ }
+ warn('`getOrCreateObject3D` has been deprecated. Use `setObject3D()` ' +
+ 'and `object3dset` event instead.');
+ return object3D;
+ }
+ },
+
+ /**
+ * Add child entity.
+ *
+ * @param {Element} el - Child entity.
+ */
+ add: {
+ value: function (el) {
+ if (!el.object3D) {
+ throw new Error("Trying to add an element that doesn't have an `object3D`");
+ }
+ this.object3D.add(el.object3D);
+ this.emit('child-attached', {el: el});
+ }
+ },
+
+ /**
+ * Tell parentNode to add this entity to itself.
+ */
+ addToParent: {
+ value: function () {
+ var parentNode = this.parentEl = this.parentNode;
+
+ // `!parentNode` check primarily for unit tests.
+ if (!parentNode || !parentNode.add || this.attachedToParent) { return; }
+
+ parentNode.add(this);
+ this.attachedToParent = true; // To prevent multiple attachments to same parent.
+ }
+ },
+
+ /**
+ * Tell parentNode to remove this entity from itself.
+ */
+ removeFromParent: {
+ value: function () {
+ var parentEl = this.parentEl;
+ this.parentEl.remove(this);
+ this.attachedToParent = false;
+ this.parentEl = this.parentNode = null;
+ parentEl.emit('child-detached', {el: this});
+ }
+ },
+
+ load: {
+ value: function () {
+ var self = this;
+
+ if (this.hasLoaded || !this.parentEl) { return; }
+
+ ANode.prototype.load.call(this, function entityLoadCallback () {
+ // Check if entity was detached while it was waiting to load.
+ if (!self.parentEl) { return; }
+
+ self.updateComponents();
+ if (self.isScene || self.parentEl.isPlaying) { self.play(); }
+ });
+ },
+ writable: window.debug
+ },
+
+ /**
+ * Remove child entity.
+ *
+ * @param {Element} el - Child entity.
+ */
+ remove: {
+ value: function (el) {
+ this.object3D.remove(el.object3D);
+ }
+ },
+
+ /**
+ * @returns {array} Direct children that are entities.
+ */
+ getChildEntities: {
+ value: function () {
+ var children = this.children;
+ var childEntities = [];
+
+ for (var i = 0; i < children.length; i++) {
+ var child = children[i];
+ if (child instanceof AEntity) {
+ childEntities.push(child);
+ }
+ }
+
+ return childEntities;
+ }
+ },
+
+ /**
+ * Initialize component.
+ *
+ * @param {string} attrName - Attribute name asociated to the component.
+ * @param {object} data - Component data
+ * @param {boolean} isDependency - True if the component is a dependency.
+ */
+ initComponent: {
+ value: function (attrName, data, isDependency) {
+ var component;
+ var componentId;
+ var componentInfo;
+ var componentName;
+ var isComponentDefined;
+
+ componentInfo = utils.split(attrName, MULTIPLE_COMPONENT_DELIMITER);
+ componentId = componentInfo[1];
+ componentName = componentInfo[0];
+
+ // Not a registered component.
+ if (!COMPONENTS[componentName]) { return; }
+
+ // Component is not a dependency and is undefined.
+ // If a component is a dependency, then it is okay to have no data.
+ isComponentDefined = checkComponentDefined(this, attrName) ||
+ data !== undefined;
+ if (!isComponentDefined && !isDependency) { return; }
+
+ // Component already initialized.
+ if (attrName in this.components) { return; }
+
+ // Initialize dependencies first
+ this.initComponentDependencies(componentName);
+
+ // If component name has an id we check component type multiplic
+ if (componentId && !COMPONENTS[componentName].multiple) {
+ throw new Error('Trying to initialize multiple ' +
+ 'components of type `' + componentName +
+ '`. There can only be one component of this type per entity.');
+ }
+ component = new COMPONENTS[componentName].Component(this, data, componentId);
+ if (this.isPlaying) { component.play(); }
+
+ // Components are reflected in the DOM as attributes but the state is not shown
+ // hence we set the attribute to empty string.
+ // The flag justInitialized is for attributeChangedCallback to not overwrite
+ // the component with the empty string.
+ if (!this.hasAttribute(attrName)) {
+ component.justInitialized = true;
+ window.HTMLElement.prototype.setAttribute.call(this, attrName, '');
+ }
+
+ debug('Component initialized: %s', attrName);
+ },
+ writable: window.debug
+ },
+
+ /**
+ * Initialize dependencies of a component.
+ *
+ * @param {string} name - Root component name.
+ */
+ initComponentDependencies: {
+ value: function (name) {
+ var self = this;
+ var component = COMPONENTS[name];
+ var dependencies;
+ var i;
+
+ // Not a component.
+ if (!component) { return; }
+
+ // No dependencies.
+ dependencies = COMPONENTS[name].dependencies;
+
+ if (!dependencies) { return; }
+
+ // Initialize dependencies.
+ for (i = 0; i < dependencies.length; i++) {
+ // Call getAttribute to initialize the data from the DOM.
+ self.initComponent(
+ dependencies[i],
+ window.HTMLElement.prototype.getAttribute.call(self, dependencies[i]) || undefined,
+ true
+ );
+ }
+ }
+ },
+
+ removeComponent: {
+ value: function (name) {
+ var component;
+ var isDefault;
+
+ // Don't remove default or mixed-in components.
+ isDefault = name in this.defaultComponents;
+ if (isDefault) { return; }
+
+ component = this.components[name];
+ if (!component) { return; }
+
+ // Wait for component to initialize.
+ if (!component.initialized) {
+ this.addEventListener('componentinitialized', function tryRemoveLater (evt) {
+ if (evt.detail.name !== name) { return; }
+ this.removeComponent(name);
+ this.removeEventListener('componentinitialized', tryRemoveLater);
+ });
+ return;
+ }
+
+ component.pause();
+ component.remove();
+ delete this.components[name];
+ this.emit('componentremoved', component.evtDetail);
+ },
+ writable: window.debug
+ },
+
+ /**
+ * Initialize or update all components.
+ * Build data using initial components, defined attributes, mixins, and defaults.
+ * Update default components before the rest.
+ *
+ * @member {function} getExtraComponents - Can be implemented to include component data
+ * from other sources (e.g., implemented by primitives).
+ */
+ updateComponents: {
+ value: function () {
+ var data;
+ var extraComponents;
+ var i;
+ var name;
+ var componentsToUpdate = this.componentsToUpdate;
+
+ if (!this.hasLoaded) { return; }
+
+ // Gather mixin-defined components.
+ for (i = 0; i < this.mixinEls.length; i++) {
+ for (name in this.mixinEls[i].componentCache) {
+ if (isComponent(name)) { componentsToUpdate[name] = true; }
+ }
+ }
+
+ // Gather from extra initial component data if defined (e.g., primitives).
+ if (this.getExtraComponents) {
+ extraComponents = this.getExtraComponents();
+ for (name in extraComponents) {
+ if (isComponent(name)) { componentsToUpdate[name] = true; }
+ }
+ }
+
+ // Gather entity-defined components.
+ for (i = 0; i < this.attributes.length; ++i) {
+ name = this.attributes[i].name;
+ if (isComponent(name)) { componentsToUpdate[name] = true; }
+ }
+
+ // Initialze or update default components first.
+ for (name in this.defaultComponents) {
+ data = mergeComponentData(this.getDOMAttribute(name),
+ extraComponents && extraComponents[name]);
+ this.updateComponent(name, data);
+ delete componentsToUpdate[name];
+ }
+
+ // Initialize or update rest of components.
+ for (name in componentsToUpdate) {
+ data = mergeComponentData(this.getDOMAttribute(name),
+ extraComponents && extraComponents[name]);
+ this.updateComponent(name, data);
+ delete componentsToUpdate[name];
+ }
+ },
+ writable: window.debug
+ },
+
+ /**
+ * Initialize, update, or remove a single component.
+ *
+ * When initializing, we set the component on `this.components`.
+ *
+ * @param {string} attr - Component name.
+ * @param {object} attrValue - Value of the DOM attribute.
+ * @param {boolean} clobber - If new attrValue completely replaces previous properties.
+ */
+ updateComponent: {
+ value: function (attr, attrValue, clobber) {
+ var component = this.components[attr];
+ var isDefault = attr in this.defaultComponents;
+ if (component) {
+ // Remove component.
+ if (attrValue === null && !isDefault) {
+ this.removeComponent(attr);
+ return;
+ }
+ // Component already initialized. Update component.
+ component.updateProperties(attrValue, clobber);
+ return;
+ }
+
+ // Component not yet initialized. Initialize component.
+ this.initComponent(attr, attrValue, false);
+ }
+ },
+
+ /**
+ * If `attr` is a component name, detach the component from the entity.
+ *
+ * If `propertyName` is given, reset the component property value to its default.
+ *
+ * @param {string} attr - Attribute name, which could also be a component name.
+ * @param {string} propertyName - Component prop name, if resetting an individual prop.
+ */
+ removeAttribute: {
+ value: function (attr, propertyName) {
+ var component = this.components[attr];
+
+ // Remove component.
+ if (component && propertyName === undefined) {
+ this.removeComponent(attr);
+ // Do not remove the component from the DOM if default component.
+ if (this.components[attr]) { return; }
+ }
+
+ // Reset component property value.
+ if (component && propertyName !== undefined) {
+ component.resetProperty(propertyName);
+ return;
+ }
+
+ // Remove mixins.
+ if (attr === 'mixin') {
+ this.mixinUpdate('');
+ }
+
+ window.HTMLElement.prototype.removeAttribute.call(this, attr);
+ }
+ },
+
+ /**
+ * Start dynamic behavior associated with entity such as dynamic components and animations.
+ * Tell all children entities to also play.
+ */
+ play: {
+ value: function () {
+ var entities;
+ var i;
+ var key;
+
+ // Already playing.
+ if (this.isPlaying || !this.hasLoaded) { return; }
+ this.isPlaying = true;
+
+ // Wake up all components.
+ for (key in this.components) { this.components[key].play(); }
+
+ // Tell all child entities to play.
+ entities = this.getChildEntities();
+ for (i = 0; i < entities.length; i++) { entities[i].play(); }
+
+ this.emit('play');
+ },
+ writable: true
+ },
+
+ /**
+ * Pause dynamic behavior associated with entity such as dynamic components and animations.
+ * Tell all children entities to also pause.
+ */
+ pause: {
+ value: function () {
+ var entities;
+ var i;
+ var key;
+
+ if (!this.isPlaying) { return; }
+ this.isPlaying = false;
+
+ // Sleep all components.
+ for (key in this.components) { this.components[key].pause(); }
+
+ // Tell all child entities to pause.
+ entities = this.getChildEntities();
+ for (i = 0; i < entities.length; i++) { entities[i].pause(); }
+
+ this.emit('pause');
+ },
+ writable: true
+ },
+
+ /**
+ * Deals with updates on entity-specific attributes (i.e., components and mixins).
+ *
+ * @param {string} attr
+ * @param {string} oldVal
+ * @param {string|object} newVal
+ */
+ setEntityAttribute: {
+ value: function (attr, oldVal, newVal) {
+ if (COMPONENTS[attr] || this.components[attr]) {
+ this.updateComponent(attr, newVal);
+ return;
+ }
+ if (attr === 'mixin') {
+ // Ignore if `<a-node>` code is just updating computed mixin in the DOM.
+ if (newVal === this.computedMixinStr) { return; }
+ this.mixinUpdate(newVal, oldVal);
+ }
+ }
+ },
+
+ mixinUpdate: {
+ value: function (newMixins, oldMixins) {
+ oldMixins = oldMixins || this.getAttribute('mixin');
+ this.updateMixins(newMixins, oldMixins);
+ this.updateComponents();
+ }
+ },
+
+ /**
+ * setAttribute can:
+ *
+ * 1. Set a single property of a multi-property component.
+ * 2. Set multiple properties of a multi-property component.
+ * 3. Replace properties of a multi-property component.
+ * 4. Set a value for a single-property component, mixin, or normal HTML attribute.
+ *
+ * @param {string} attrName - Component or attribute name.
+ * @param {*} arg1 - Can be a value, property name, CSS-style property string, or
+ * object of properties.
+ * @param {*|bool} arg2 - If arg1 is a property name, this should be a value. Otherwise,
+ * it is a boolean indicating whether to clobber previous values (defaults to false).
+ */
+ setAttribute: {
+ value: function (attrName, arg1, arg2) {
+ var newAttrValue;
+ var clobber;
+ var componentName;
+ var delimiterIndex;
+ var isDebugMode;
+
+ delimiterIndex = attrName.indexOf(MULTIPLE_COMPONENT_DELIMITER);
+ componentName = delimiterIndex > 0 ? attrName.substring(0, delimiterIndex) : attrName;
+
+ // Not a component. Normal set attribute.
+ if (!COMPONENTS[componentName]) {
+ if (attrName === 'mixin') { this.mixinUpdate(arg1); }
+ ANode.prototype.setAttribute.call(this, attrName, arg1);
+ return;
+ }
+
+ // Initialize component first if not yet initialized.
+ if (!this.components[attrName] && this.hasAttribute(attrName)) {
+ this.updateComponent(attrName,
+ window.HTMLElement.prototype.getAttribute.call(this, attrName));
+ }
+
+ // Determine new attributes from the arguments
+ if (typeof arg2 !== 'undefined' &&
+ typeof arg1 === 'string' &&
+ arg1.length > 0 &&
+ typeof utils.styleParser.parse(arg1) === 'string') {
+ // Update a single property of a multi-property component
+ newAttrValue = {};
+ newAttrValue[arg1] = arg2;
+ clobber = false;
+ } else {
+ // Update with a value, object, or CSS-style property string, with the possiblity
+ // of clobbering previous values.
+ newAttrValue = arg1;
+ clobber = (arg2 === true);
+ }
+
+ // Update component
+ this.updateComponent(attrName, newAttrValue, clobber);
+
+ // In debug mode, write component data up to the DOM.
+ isDebugMode = this.sceneEl && this.sceneEl.getAttribute('debug');
+ if (isDebugMode) { this.components[attrName].flushToDOM(); }
+ },
+ writable: window.debug
+ },
+
+ /**
+ * Reflect component data in the DOM (as seen from the browser DOM Inspector).
+ *
+ * @param {bool} recursive - Also flushToDOM on the children.
+ **/
+ flushToDOM: {
+ value: function (recursive) {
+ var components = this.components;
+ var defaultComponents = this.defaultComponents;
+ var child;
+ var children = this.children;
+ var i;
+ var key;
+
+ // Flush entity's components to DOM.
+ for (key in components) {
+ components[key].flushToDOM(key in defaultComponents);
+ }
+
+ // Recurse.
+ if (!recursive) { return; }
+ for (i = 0; i < children.length; ++i) {
+ child = children[i];
+ if (!child.flushToDOM) { continue; }
+ child.flushToDOM(recursive);
+ }
+ }
+ },
+
+ /**
+ * If `attr` is a component, returns ALL component data including applied mixins and
+ * defaults.
+ *
+ * If `attr` is not a component, fall back to HTML getAttribute.
+ *
+ * @param {string} attr
+ * @returns {object|string} Object if component, else string.
+ */
+ getAttribute: {
+ value: function (attr) {
+ // If component, return component data.
+ var component;
+ if (attr === 'position') { return this.object3D.position; }
+ if (attr === 'rotation') { return getRotation(this); }
+ if (attr === 'scale') { return this.object3D.scale; }
+ if (attr === 'visible') { return this.object3D.visible; }
+ component = this.components[attr];
+ if (component) { return component.data; }
+ return window.HTMLElement.prototype.getAttribute.call(this, attr);
+ },
+ writable: window.debug
+ },
+
+ /**
+ * `getAttribute` used to be `getDOMAttribute` and `getComputedAttribute` used to be
+ * what `getAttribute` is now. Now legacy code.
+ *
+ * @param {string} attr
+ * @returns {object|string} Object if component, else string.
+ */
+ getComputedAttribute: {
+ value: function (attr) {
+ warn('`getComputedAttribute` is deprecated. Use `getAttribute` instead.');
+ return this.getAttribute(attr);
+ }
+ },
+
+ /**
+ * If `attr` is a component, returns JUST the component data defined on the entity.
+ * Like a partial version of `getComputedAttribute` as returned component data
+ * does not include applied mixins or defaults.
+ *
+ * If `attr` is not a component, fall back to HTML getAttribute.
+ *
+ * @param {string} attr
+ * @returns {object|string} Object if component, else string.
+ */
+ getDOMAttribute: {
+ value: function (attr) {
+ // If cached value exists, return partial component data.
+ var component = this.components[attr];
+ if (component) { return component.attrValue; }
+ return window.HTMLElement.prototype.getAttribute.call(this, attr);
+ },
+ writable: window.debug
+ },
+
+ addState: {
+ value: function (state) {
+ if (this.is(state)) { return; }
+ this.states.push(state);
+ this.emit('stateadded', state);
+ }
+ },
+
+ removeState: {
+ value: function (state) {
+ var stateIndex = this.states.indexOf(state);
+ if (stateIndex === -1) { return; }
+ this.states.splice(stateIndex, 1);
+ this.emit('stateremoved', state);
+ }
+ },
+
+ /**
+ * Checks if the element is in a given state. e.g. el.is('alive');
+ * @type {string} state - Name of the state we want to check
+ */
+ is: {
+ value: function (state) {
+ return this.states.indexOf(state) !== -1;
+ }
+ }
+});
+
+/**
+ * Check if a component is *defined* for an entity, including defaults and mixins.
+ * Does not check whether the component has been *initialized* for an entity.
+ *
+ * @param {string} el - Entity.
+ * @param {string} name - Component name.
+ * @returns {boolean}
+ */
+function checkComponentDefined (el, name) {
+ // Check if default components contain the component.
+ if (el.defaultComponents[name] !== undefined) { return true; }
+
+ // Check if element contains the component.
+ if (el.components[name] && el.components[name].attrValue) { return true; }
+
+ return isComponentMixedIn(name, el.mixinEls);
+}
+
+/**
+ * Check if any mixins contains a component.
+ *
+ * @param {string} name - Component name.
+ * @param {array} mixinEls - Array of <a-mixin>s.
+ */
+function isComponentMixedIn (name, mixinEls) {
+ var i;
+ var inMixin = false;
+ for (i = 0; i < mixinEls.length; ++i) {
+ inMixin = mixinEls[i].hasAttribute(name);
+ if (inMixin) { break; }
+ }
+ return inMixin;
+}
+
+/**
+ * Given entity defined value, merge in extra data if necessary.
+ * Handle both single and multi-property components.
+ *
+ * @param {string} attrValue - Entity data.
+ * @param extraData - Entity data from another source to merge in.
+ */
+function mergeComponentData (attrValue, extraData) {
+ // Extra data not defined, just return attrValue.
+ if (!extraData) { return attrValue; }
+
+ // Merge multi-property data.
+ if (extraData.constructor === Object) {
+ return utils.extend(extraData, utils.styleParser.parse(attrValue || {}));
+ }
+
+ // Return data, precendence to the defined value.
+ return attrValue || extraData;
+}
+
+function isComponent (componentName) {
+ if (componentName.indexOf(MULTIPLE_COMPONENT_DELIMITER) !== -1) {
+ componentName = utils.split(componentName, MULTIPLE_COMPONENT_DELIMITER)[0];
+ }
+ if (!COMPONENTS[componentName]) { return false; }
+ return true;
+}
+
+function getRotation (entityEl) {
+ var radToDeg = THREE.Math.radToDeg;
+ var rotation = entityEl.object3D.rotation;
+ var rotationObj = entityEl.rotationObj;
+ rotationObj.x = radToDeg(rotation.x);
+ rotationObj.y = radToDeg(rotation.y);
+ rotationObj.z = radToDeg(rotation.z);
+ return rotationObj;
+}
+
+AEntity = registerElement('a-entity', {prototype: proto});
+module.exports = AEntity;
+
+},{"../lib/three":173,"../utils/":195,"./a-node":123,"./a-register-element":124,"./component":125}],122:[function(_dereq_,module,exports){
+var ANode = _dereq_('./a-node');
+var registerElement = _dereq_('./a-register-element').registerElement;
+var components = _dereq_('./component').components;
+var utils = _dereq_('../utils');
+
+var MULTIPLE_COMPONENT_DELIMITER = '__';
+
+/**
+ * @member {object} componentCache - Cache of pre-parsed values. An object where the keys
+ * are component names and the values are already parsed by the component.
+ */
+module.exports = registerElement('a-mixin', {
+ prototype: Object.create(ANode.prototype, {
+ createdCallback: {
+ value: function () {
+ this.componentCache = {};
+ this.id = this.getAttribute('id');
+ this.isMixin = true;
+ }
+ },
+
+ attributeChangedCallback: {
+ value: function (attr, oldVal, newVal) {
+ this.cacheAttribute(attr, newVal);
+ }
+ },
+
+ attachedCallback: {
+ value: function () {
+ this.sceneEl = this.closestScene();
+ this.cacheAttributes();
+ this.updateEntities();
+ this.load();
+ }
+ },
+
+ /**
+ * setAttribute that parses and caches component values.
+ */
+ setAttribute: {
+ value: function (attr, value) {
+ window.HTMLElement.prototype.setAttribute.call(this, attr, value);
+ this.cacheAttribute(attr, value);
+ }
+ },
+
+ /**
+ * If `attr` is a component, then parse the value using the schema and store it.
+ */
+ cacheAttribute: {
+ value: function (attr, value) {
+ var component;
+ var componentName;
+
+ // Get component data.
+ componentName = utils.split(attr, MULTIPLE_COMPONENT_DELIMITER)[0];
+ component = components[componentName];
+ if (!component) { return; }
+ if (value === undefined) {
+ value = window.HTMLElement.prototype.getAttribute.call(this, attr);
+ }
+ this.componentCache[attr] = component.parseAttrValueForCache(value);
+ }
+ },
+
+ /**
+ * If `attr` is a component, then grab pre-parsed value from the cache.
+ * Else do a normal getAttribute.
+ */
+ getAttribute: {
+ value: function (attr) {
+ return this.componentCache[attr] ||
+ window.HTMLElement.prototype.getAttribute.call(this, attr);
+ }
+ },
+
+ /**
+ * Parse and cache every component defined on the mixin.
+ */
+ cacheAttributes: {
+ value: function () {
+ var attributes = this.attributes;
+ var attrName;
+ var i;
+ for (i = 0; i < attributes.length; i++) {
+ attrName = attributes[i].name;
+ this.cacheAttribute(attrName);
+ }
+ }
+ },
+
+ /**
+ * For entities that already have been loaded by the time the mixin was attached, tell
+ * those entities to register the mixin and refresh their component data.
+ */
+ updateEntities: {
+ value: function () {
+ var entity;
+ var entities;
+ var i;
+
+ if (!this.sceneEl) { return; }
+
+ entities = this.sceneEl.querySelectorAll('[mixin~=' + this.id + ']');
+ for (i = 0; i < entities.length; i++) {
+ entity = entities[i];
+ if (!entity.hasLoaded || entity.isMixin) { continue; }
+ entity.mixinUpdate(this.id);
+ }
+ }
+ }
+ })
+});
+
+},{"../utils":195,"./a-node":123,"./a-register-element":124,"./component":125}],123:[function(_dereq_,module,exports){
+/* global CustomEvent, MutationObserver */
+var registerElement = _dereq_('./a-register-element').registerElement;
+var isNode = _dereq_('./a-register-element').isNode;
+var utils = _dereq_('../utils/');
+
+var warn = utils.debug('core:a-node:warn');
+
+var MIXIN_OBSERVER_CONFIG = {attributes: true};
+
+/**
+ * Base class for A-Frame that manages loading of objects.
+ *
+ * Nodes can be modified using mixins.
+ * Nodes emit a `loaded` event when they and their children have initialized.
+ */
+module.exports = registerElement('a-node', {
+ prototype: Object.create(window.HTMLElement.prototype, {
+ createdCallback: {
+ value: function () {
+ this.computedMixinStr = '';
+ this.hasLoaded = false;
+ this.isNode = true;
+ this.mixinEls = [];
+ this.mixinObservers = {};
+ },
+ writable: window.debug
+ },
+
+ attachedCallback: {
+ value: function () {
+ var mixins;
+ this.sceneEl = this.closestScene();
+
+ if (!this.sceneEl) {
+ warn('You are attempting to attach <' + this.tagName + '> outside of an A-Frame ' +
+ 'scene. Append this element to `<a-scene>` instead.');
+ }
+
+ this.hasLoaded = false;
+ this.emit('nodeready', undefined, false);
+
+ if (!this.isMixin) {
+ mixins = this.getAttribute('mixin');
+ if (mixins) { this.updateMixins(mixins); }
+ }
+ },
+ writable: window.debug
+ },
+
+ /**
+ * Handle mixin.
+ */
+ attributeChangedCallback: {
+ value: function (attr, oldVal, newVal) {
+ // Ignore if `<a-node>` code is just updating computed mixin in the DOM.
+ if (newVal === this.computedMixinStr) { return; }
+
+ if (attr === 'mixin' && !this.isMixin) {
+ this.updateMixins(newVal, oldVal);
+ }
+ }
+ },
+
+ /**
+ * Returns the first scene by traversing up the tree starting from and
+ * including receiver element.
+ */
+ closestScene: {
+ value: function closest () {
+ var element = this;
+ while (element) {
+ if (element.isScene) { break; }
+ element = element.parentElement;
+ }
+ return element;
+ }
+ },
+
+ /**
+ * Returns first element matching a selector by traversing up the tree starting
+ * from and including receiver element.
+ *
+ * @param {string} selector - Selector of element to find.
+ */
+ closest: {
+ value: function closest (selector) {
+ var matches = this.matches || this.mozMatchesSelector ||
+ this.msMatchesSelector || this.oMatchesSelector || this.webkitMatchesSelector;
+ var element = this;
+ while (element) {
+ if (matches.call(element, selector)) { break; }
+ element = element.parentElement;
+ }
+ return element;
+ }
+ },
+
+ detachedCallback: {
+ value: function () {
+ this.hasLoaded = false;
+ }
+ },
+
+ /**
+ * Wait for children to load, if any.
+ * Then emit `loaded` event and set `hasLoaded`.
+ */
+ load: {
+ value: function (cb, childFilter) {
+ var children;
+ var childrenLoaded;
+ var self = this;
+
+ if (this.hasLoaded) { return; }
+
+ // Default to waiting for all nodes.
+ childFilter = childFilter || isNode;
+ // Wait for children to load (if any), then load.
+ children = this.getChildren();
+ childrenLoaded = children.filter(childFilter).map(function (child) {
+ return new Promise(function waitForLoaded (resolve) {
+ if (child.hasLoaded) { return resolve(); }
+ child.addEventListener('loaded', resolve);
+ });
+ });
+
+ Promise.all(childrenLoaded).then(function emitLoaded () {
+ self.hasLoaded = true;
+ if (cb) { cb(); }
+ self.emit('loaded', undefined, false);
+ });
+ },
+ writable: true
+ },
+
+ getChildren: {
+ value: function () {
+ return Array.prototype.slice.call(this.children, 0);
+ }
+ },
+
+ /**
+ * Unregister old mixins and listeners.
+ * Register new mixins and listeners.
+ * Registering means to update `this.mixinEls` with listeners.
+ */
+ updateMixins: {
+ value: (function () {
+ var newMixinIdArray = [];
+ var oldMixinIdArray = [];
+
+ return function (newMixins, oldMixins) {
+ var i;
+ var newMixinIds;
+ var oldMixinIds;
+
+ newMixinIdArray.length = 0;
+ oldMixinIdArray.length = 0;
+ newMixinIds = newMixins ? utils.split(newMixins.trim(), /\s+/) : newMixinIdArray;
+ oldMixinIds = oldMixins ? utils.split(oldMixins.trim(), /\s+/) : oldMixinIdArray;
+
+ // Unregister old mixins.
+ for (i = 0; i < oldMixinIds.length; i++) {
+ if (newMixinIds.indexOf(oldMixinIds[i]) === -1) {
+ this.unregisterMixin(oldMixinIds[i]);
+ }
+ }
+
+ // Register new mixins.
+ this.computedMixinStr = '';
+ this.mixinEls.length = 0;
+ for (i = 0; i < newMixinIds.length; i++) {
+ this.registerMixin(document.getElementById(newMixinIds[i]));
+ }
+
+ // Update DOM. Keep track of `computedMixinStr` to not recurse back here after
+ // update.
+ if (this.computedMixinStr) {
+ this.computedMixinStr = this.computedMixinStr.trim();
+ window.HTMLElement.prototype.setAttribute.call(this, 'mixin',
+ this.computedMixinStr);
+ }
+ };
+ })()
+ },
+
+ /**
+ * From mixin ID, add mixin element to `mixinEls`.
+ *
+ * @param {Element} mixinEl
+ */
+ registerMixin: {
+ value: function (mixinEl) {
+ var compositedMixinIds;
+ var i;
+ var mixin;
+
+ if (!mixinEl) { return; }
+
+ // Register composited mixins (if mixin has mixins).
+ mixin = mixinEl.getAttribute('mixin');
+ if (mixin) {
+ compositedMixinIds = utils.split(mixin.trim(), /\s+/);
+ for (i = 0; i < compositedMixinIds.length; i++) {
+ this.registerMixin(document.getElementById(compositedMixinIds[i]));
+ }
+ }
+
+ // Register mixin.
+ this.computedMixinStr = this.computedMixinStr + ' ' + mixinEl.id;
+ this.mixinEls.push(mixinEl);
+ this.attachMixinListener(mixinEl);
+ }
+ },
+
+ setAttribute: {
+ value: function (attr, newValue) {
+ if (attr === 'mixin') { this.updateMixins(newValue); }
+ window.HTMLElement.prototype.setAttribute.call(this, attr, newValue);
+ }
+ },
+
+ unregisterMixin: {
+ value: function (mixinId) {
+ var i;
+ var mixinEls = this.mixinEls;
+ var mixinEl;
+ for (i = 0; i < mixinEls.length; ++i) {
+ mixinEl = mixinEls[i];
+ if (mixinId === mixinEl.id) {
+ mixinEls.splice(i, 1);
+ break;
+ }
+ }
+ this.removeMixinListener(mixinId);
+ }
+ },
+
+ removeMixinListener: {
+ value: function (mixinId) {
+ var observer = this.mixinObservers[mixinId];
+ if (!observer) { return; }
+ observer.disconnect();
+ this.mixinObservers[mixinId] = null;
+ }
+ },
+
+ /**
+ * Add mutation observer from entity to mixin.
+ */
+ attachMixinListener: {
+ value: function (mixinEl) {
+ var currentObserver;
+ var mixinId;
+ var observer;
+ var self = this;
+
+ if (!mixinEl) { return; }
+
+ mixinId = mixinEl.id;
+ currentObserver = this.mixinObservers[mixinId];
+ if (currentObserver) { return; }
+
+ // Add observer.
+ observer = new MutationObserver(function (mutations) {
+ self.handleMixinUpdate(mutations[0].attributeName);
+ });
+ observer.observe(mixinEl, MIXIN_OBSERVER_CONFIG);
+ this.mixinObservers[mixinId] = observer;
+ }
+ },
+
+ handleMixinUpdate: {
+ value: function () { /* no-op */ }
+ },
+
+ /**
+ * Emit a DOM event.
+ *
+ * @param {string} name - Name of event.
+ * @param {object} [detail={}] - Custom data to pass as `detail` to the event.
+ * @param {boolean} [bubbles=true] - Whether the event should bubble.
+ * @param {object} [extraData] - Extra data to pass to the event, if any.
+ */
+ emit: {
+ value: (function () {
+ var data = {};
+
+ return function (name, detail, bubbles, extraData) {
+ if (bubbles === undefined) { bubbles = true; }
+ data.bubbles = !!bubbles;
+ data.detail = detail;
+
+ // If extra data is present, we need to create a new object.
+ if (extraData) { data = utils.extend({}, extraData, data); }
+
+ this.dispatchEvent(new CustomEvent(name, data));
+ };
+ })(),
+ writable: window.debug
+ }
+ })
+});
+
+},{"../utils/":195,"./a-register-element":124}],124:[function(_dereq_,module,exports){
+/*
+ ------------------------------------------------------------
+ ------------- WARNING WARNING WARNING WARNING --------------
+ ------------------------------------------------------------
+
+ This module wraps registerElement to deal with components that inherit from
+ `ANode` and `AEntity`. It's a pass through in any other case.
+
+ It wraps some of the prototype methods of the created element to make sure
+ that the corresponding functions in the base prototypes (`AEntity` and `ANode`)
+ are also invoked. The method in the base prototype is always called before the one
+ in the derived prototype.
+*/
+
+// Polyfill `document.registerElement`.
+_dereq_('document-register-element');
+
+var ANode; // Must declare before AEntity. Initialized at the bottom.
+var AEntity;
+var knownTags = module.exports.knownTags = {};
+
+function addTagName (tagName) {
+ knownTags[tagName.toLowerCase()] = true;
+}
+
+/**
+ * Return whether the element type is one of our known registered ones.
+ *
+ * @param {string} node - The name of the tag to register.
+ * @returns {boolean} Whether the tag name matches that of our registered custom elements.
+ */
+module.exports.isNode = function (node) {
+ return node.tagName.toLowerCase() in knownTags || node.isNode;
+};
+
+/**
+ * @param {string} tagName - The name of the tag to register.
+ * @param {object} obj - The prototype of the new element.
+ * @returns {object} The prototype of the new element.
+ */
+module.exports.registerElement = function (tagName, obj) {
+ var proto = Object.getPrototypeOf(obj.prototype);
+ var newObj = obj;
+ var isANode = ANode && proto === ANode.prototype;
+ var isAEntity = AEntity && proto === AEntity.prototype;
+
+ if (isANode || isAEntity) { addTagName(tagName); }
+
+ // Wrap if element inherits from `ANode`.
+ if (isANode) {
+ newObj = wrapANodeMethods(obj.prototype);
+ newObj = {prototype: Object.create(proto, newObj)};
+ }
+
+ // Wrap if element inherits from `AEntity`.
+ if (isAEntity) {
+ newObj = wrapAEntityMethods(obj.prototype);
+ newObj = {prototype: Object.create(proto, newObj)};
+ }
+
+ // Give all functions their proper name.
+ for (var propName of Object.getOwnPropertyNames(newObj.prototype)) {
+ var propVal = newObj.prototype[propName];
+ if (typeof propVal === 'function') {
+ propVal.displayName = propName;
+ }
+ }
+
+ return document.registerElement(tagName, newObj);
+};
+
+/**
+ * Wrap some obj methods to call those on `ANode` base prototype.
+ *
+ * @param {object} obj - Object that contains the methods that will be wrapped.
+ * @return {object} An object with the same properties as the input parameter but
+ * with some of methods wrapped.
+ */
+function wrapANodeMethods (obj) {
+ var newObj = {};
+ var ANodeMethods = [
+ 'attachedCallback',
+ 'attributeChangedCallback',
+ 'createdCallback'
+ ];
+ wrapMethods(newObj, ANodeMethods, obj, ANode.prototype);
+ copyProperties(obj, newObj);
+ return newObj;
+}
+
+/**
+ * This wraps some of the obj methods to call those on `AEntity` base prototype.
+ *
+ * @param {object} obj - The objects that contains the methods that will be wrapped.
+ * @return {object} - An object with the same properties as the input parameter but
+ * with some of methods wrapped.
+ */
+function wrapAEntityMethods (obj) {
+ var newObj = {};
+ var ANodeMethods = [
+ 'attachedCallback',
+ 'attributeChangedCallback',
+ 'createdCallback'
+ ];
+ var AEntityMethods = [
+ 'attachedCallback',
+ 'attributeChangedCallback',
+ 'createdCallback',
+ 'detachedCallback'
+ ];
+
+ wrapMethods(newObj, ANodeMethods, obj, ANode.prototype);
+ wrapMethods(newObj, AEntityMethods, obj, AEntity.prototype);
+ // Copies the remaining properties into the new object.
+ copyProperties(obj, newObj);
+ return newObj;
+}
+
+/**
+ * Wrap a list a methods to ensure that those in the base prototype are called
+ * before the derived one.
+ *
+ * @param {object} targetObj - Object that will contain the wrapped methods.
+ * @param {array} methodList - List of methods from the derivedObj that will be wrapped.
+ * @param {object} derivedObject - Object that inherits from the baseObj.
+ * @param {object} baseObj - Object that derivedObj inherits from.
+ */
+function wrapMethods (targetObj, methodList, derivedObj, baseObj) {
+ methodList.forEach(function (methodName) {
+ wrapMethod(targetObj, methodName, derivedObj, baseObj);
+ });
+}
+module.exports.wrapMethods = wrapMethods;
+
+/**
+ * Wrap one method to ensure that the one in the base prototype is called before
+ * the one in the derived one.
+ *
+ * @param {object} obj - Object that will contain the wrapped method.
+ * @param {string} methodName - The name of the method that will be wrapped.
+ * @param {object} derivedObject - Object that inherits from the baseObj.
+ * @param {object} baseObj - Object that derivedObj inherits from.
+ */
+function wrapMethod (obj, methodName, derivedObj, baseObj) {
+ var derivedMethod = derivedObj[methodName];
+ var baseMethod = baseObj[methodName];
+
+ // Derived prototype does not define method, no need to wrap.
+ if (!derivedMethod || !baseMethod) { return; }
+
+ // Derived prototype doesn't override the one in the base one, no need to wrap.
+ if (derivedMethod === baseMethod) { return; }
+
+ // Wrap to ensure the base method is called before the one in the derived prototype.
+ obj[methodName] = {
+ value: function wrappedMethod () {
+ baseMethod.apply(this, arguments);
+ return derivedMethod.apply(this, arguments);
+ },
+ writable: window.debug
+ };
+}
+
+/**
+ * It copies the properties from source to destination object if they don't
+ * exist already.
+ *
+ * @param {object} source - The object where properties are copied from.
+ * @param {type} destination - The object where properties are copied to.
+ */
+function copyProperties (source, destination) {
+ var props = Object.getOwnPropertyNames(source);
+ props.forEach(function (prop) {
+ var desc;
+ if (!destination[prop]) {
+ desc = Object.getOwnPropertyDescriptor(source, prop);
+ destination[prop] = {value: source[prop], writable: desc.writable};
+ }
+ });
+}
+
+ANode = _dereq_('./a-node');
+AEntity = _dereq_('./a-entity');
+
+},{"./a-entity":121,"./a-node":123,"document-register-element":13}],125:[function(_dereq_,module,exports){
+/* global Node */
+var schema = _dereq_('./schema');
+var scenes = _dereq_('./scene/scenes');
+var systems = _dereq_('./system');
+var utils = _dereq_('../utils/');
+
+var components = module.exports.components = {}; // Keep track of registered components.
+var parseProperties = schema.parseProperties;
+var parseProperty = schema.parseProperty;
+var processSchema = schema.process;
+var isSingleProp = schema.isSingleProperty;
+var stringifyProperties = schema.stringifyProperties;
+var stringifyProperty = schema.stringifyProperty;
+var styleParser = utils.styleParser;
+var warn = utils.debug('core:component:warn');
+
+var aframeScript = document.currentScript;
+var upperCaseRegExp = new RegExp('[A-Z]+');
+
+/**
+ * Component class definition.
+ *
+ * Components configure appearance, modify behavior, or add functionality to
+ * entities. The behavior and appearance of an entity can be changed at runtime
+ * by adding, removing, or updating components. Entities do not share instances
+ * of components.
+ *
+ * @member {object} el - Reference to the entity element.
+ * @member {string} attrValue - Value of the corresponding HTML attribute.
+ * @member {object} data - Component data populated by parsing the
+ * mapped attribute of the component plus applying defaults and mixins.
+ */
+var Component = module.exports.Component = function (el, attrValue, id) {
+ var self = this;
+ this.el = el;
+ this.id = id;
+ this.attrName = this.name + (id ? '__' + id : '');
+ this.evtDetail = {id: this.id, name: this.name};
+ this.initialized = false;
+ this.el.components[this.attrName] = this;
+
+ // Store component data from previous update call.
+ this.oldData = undefined;
+
+ // Last value passed to updateProperties.
+ this.previousAttrValue = undefined;
+ this.throttledEmitComponentChanged = utils.throttle(function emitChange () {
+ el.emit('componentchanged', self.evtDetail, false);
+ }, 200);
+ this.updateProperties(attrValue);
+};
+
+Component.prototype = {
+ /**
+ * Contains the type schema and defaults for the data values.
+ * Data is coerced into the types of the values of the defaults.
+ */
+ schema: {},
+
+ /**
+ * Init handler. Similar to attachedCallback.
+ * Called during component initialization and is only run once.
+ * Components can use this to set initial state.
+ */
+ init: function () { /* no-op */ },
+
+ /**
+ * Update handler. Similar to attributeChangedCallback.
+ * Called whenever component's data changes.
+ * Also called on component initialization when the component receives initial data.
+ *
+ * @param {object} prevData - Previous attributes of the component.
+ */
+ update: function (prevData) { /* no-op */ },
+
+ updateSchema: undefined,
+
+ /**
+ * Tick handler.
+ * Called on each tick of the scene render loop.
+ * Affected by play and pause.
+ *
+ * @param {number} time - Scene tick time.
+ * @param {number} timeDelta - Difference in current render time and previous render time.
+ */
+ tick: undefined,
+
+ /**
+ * Tock handler.
+ * Called on each tock of the scene render loop.
+ * Affected by play and pause.
+ *
+ * @param {number} time - Scene tick time.
+ * @param {number} timeDelta - Difference in current render time and previous render time.
+ */
+ tock: undefined,
+
+ /**
+ * Called to start any dynamic behavior (e.g., animation, AI, events, physics).
+ */
+ play: function () { /* no-op */ },
+
+ /**
+ * Called to stop any dynamic behavior (e.g., animation, AI, events, physics).
+ */
+ pause: function () { /* no-op */ },
+
+ /**
+ * Remove handler. Similar to detachedCallback.
+ * Called whenever component is removed from the entity (i.e., removeAttribute).
+ * Components can use this to reset behavior on the entity.
+ */
+ remove: function () { /* no-op */ },
+
+ /**
+ * Parses each property based on property type.
+ * If component is single-property, then parses the single property value.
+ *
+ * @param {string} value - HTML attribute value.
+ * @param {boolean} silent - Suppress warning messages.
+ * @returns {object} Component data.
+ */
+ parse: function (value, silent) {
+ var schema = this.schema;
+ if (isSingleProp(schema)) { return parseProperty(value, schema); }
+ return parseProperties(styleParser.parse(value), schema, true, this.name, silent);
+ },
+
+ /**
+ * Stringify properties if necessary.
+ *
+ * Only called from `Entity.setAttribute` for properties whose parsers accept a non-string
+ * value (e.g., selector, vec3 property types).
+ *
+ * @param {object} data - Complete component data.
+ * @returns {string}
+ */
+ stringify: function (data) {
+ var schema = this.schema;
+ if (typeof data === 'string') { return data; }
+ if (isSingleProp(schema)) { return stringifyProperty(data, schema); }
+ data = stringifyProperties(data, schema);
+ return styleParser.stringify(data);
+ },
+
+ /**
+ * Update the cache of the pre-parsed attribute value.
+ *
+ * @param {string} value - New data.
+ * @param {boolean } clobber - Whether to wipe out and replace previous data.
+ */
+ updateCachedAttrValue: function (value, clobber) {
+ var attrValue = this.parseAttrValueForCache(value);
+ var isSinglePropSchema = isSingleProp(this.schema);
+ var property;
+ if (value === undefined) { return; }
+
+ // Merge new data with previous `attrValue` if updating and not clobbering.
+ if (!isSinglePropSchema && !clobber) {
+ this.attrValue = this.attrValue ? cloneData(this.attrValue) : {};
+ for (property in attrValue) {
+ this.attrValue[property] = attrValue[property];
+ }
+ return;
+ }
+
+ // If single-prop schema or clobber.
+ this.attrValue = attrValue;
+ },
+
+ /**
+ * Given an HTML attribute value parses the string
+ * based on the component schema. To avoid double parsings of
+ * strings into strings we store the original instead
+ * of the parsed one
+ *
+ * @param {string} value - HTML attribute value
+ */
+ parseAttrValueForCache: function (value) {
+ var parsedValue;
+ if (typeof value !== 'string') { return value; }
+ if (isSingleProp(this.schema)) {
+ parsedValue = this.schema.parse(value);
+ /**
+ * To avoid bogus double parsings. Cached values will be parsed when building
+ * component data. For instance when parsing a src id to its url, we want to cache
+ * original string and not the parsed one (#monster -> models/monster.dae)
+ * so when building data we parse the expected value.
+ */
+ if (typeof parsedValue === 'string') { parsedValue = value; }
+ } else {
+ // Parse using the style parser to avoid double parsing of individual properties.
+ parsedValue = styleParser.parse(value);
+ }
+ return parsedValue;
+ },
+
+ /**
+ * Write cached attribute data to the entity DOM element.
+ *
+ * @param {boolean} isDefault - Whether component is a default component. Always flush for
+ * default components.
+ */
+ flushToDOM: function (isDefault) {
+ var attrValue = isDefault ? this.data : this.attrValue;
+ if (!attrValue) { return; }
+ window.HTMLElement.prototype.setAttribute.call(this.el, this.attrName,
+ this.stringify(attrValue));
+ },
+
+ /**
+ * Apply new component data if data has changed.
+ *
+ * @param {string} attrValue - HTML attribute value.
+ * If undefined, use the cached attribute value and continue updating properties.
+ * @param {boolean} clobber - The previous component data is overwritten by the atrrValue
+ */
+ updateProperties: function (attrValue, clobber) {
+ var el = this.el;
+ var isSinglePropSchema;
+ var key;
+ var skipTypeChecking;
+ var oldData = this.oldData;
+
+ // Just cache the attribute if the entity has not loaded
+ // Components are not initialized until the entity has loaded
+ if (!el.hasLoaded) {
+ this.updateCachedAttrValue(attrValue);
+ return;
+ }
+
+ isSinglePropSchema = isSingleProp(this.schema);
+
+ // Disable type checking if the passed attribute is an object and has not changed.
+ skipTypeChecking = attrValue !== null && typeof this.previousAttrValue === 'object' &&
+ attrValue === this.previousAttrValue;
+ if (skipTypeChecking) {
+ for (key in this.attrValue) {
+ if (!(key in attrValue)) {
+ skipTypeChecking = false;
+ break;
+ }
+ }
+ for (key in attrValue) {
+ if (!(key in this.attrValue)) {
+ skipTypeChecking = false;
+ break;
+ }
+ }
+ }
+
+ // Cache previously passed attribute to decide if we skip type checking.
+ this.previousAttrValue = attrValue;
+
+ // Cache current attrValue for future updates. Updates `this.attrValue`.
+ attrValue = this.parseAttrValueForCache(attrValue);
+ this.updateCachedAttrValue(attrValue, clobber);
+
+ if (this.updateSchema) {
+ this.updateSchema(this.buildData(this.attrValue, false, true));
+ }
+ this.data = this.buildData(this.attrValue, clobber, false, skipTypeChecking);
+
+ if (!this.initialized) {
+ // Component is being already initialized.
+ if (el.initializingComponents[this.name]) { return; }
+ // Prevent infinite loop in case of init method setting same component on the entity.
+ el.initializingComponents[this.name] = true;
+ // Initialize component.
+ this.init();
+ this.initialized = true;
+ delete el.initializingComponents[this.name];
+ // For oldData, pass empty object to multiple-prop schemas or object single-prop schema.
+ // Pass undefined to rest of types.
+ oldData = (!isSinglePropSchema ||
+ typeof parseProperty(undefined, this.schema) === 'object') ? {} : undefined;
+ // Store current data as previous data for future updates.
+ this.oldData = extendProperties({}, this.data, isSinglePropSchema);
+ this.update(oldData);
+ // Play the component if the entity is playing.
+ if (el.isPlaying) { this.play(); }
+ el.emit('componentinitialized', this.evtDetail, false);
+ } else {
+ // Don't update if properties haven't changed
+ if (utils.deepEqual(this.oldData, this.data)) { return; }
+ // Store current data as previous data for future updates.
+ this.oldData = extendProperties({}, this.data, isSinglePropSchema);
+ // Update component.
+ this.update(oldData);
+ this.throttledEmitComponentChanged();
+ }
+ },
+
+ /**
+ * Reset value of a property to the property's default value.
+ * If single-prop component, reset value to component's default value.
+ *
+ * @param {string} propertyName - Name of property to reset.
+ */
+ resetProperty: function (propertyName) {
+ if (isSingleProp(this.schema)) {
+ this.attrValue = undefined;
+ } else {
+ if (!(propertyName in this.attrValue)) { return; }
+ delete this.attrValue[propertyName];
+ }
+ this.updateProperties(this.attrValue);
+ },
+
+ /**
+ * Extend schema of component given a partial schema.
+ *
+ * Some components might want to mutate their schema based on certain properties.
+ * e.g., Material component changes its schema based on `shader` to account for different
+ * uniforms
+ *
+ * @param {object} schemaAddon - Schema chunk that extend base schema.
+ */
+ extendSchema: function (schemaAddon) {
+ // Clone base schema.
+ var extendedSchema = utils.extend({}, components[this.name].schema);
+ // Extend base schema with new schema chunk.
+ utils.extend(extendedSchema, schemaAddon);
+ this.schema = processSchema(extendedSchema);
+ this.el.emit('schemachanged', {component: this.name});
+ },
+
+ /**
+ * Builds component data from the current state of the entity, ultimately
+ * updating this.data.
+ *
+ * If the component was detached completely, set data to null.
+ *
+ * Precedence:
+ * 1. Defaults data
+ * 2. Mixin data.
+ * 3. Attribute data.
+ *
+ * Finally coerce the data to the types of the defaults.
+ *
+ * @param {object} newData - Element new data.
+ * @param {boolean} clobber - The previous data is completely replaced by the new one.
+ * @param {boolean} silent - Suppress warning messages.
+ * @param {boolean} skipTypeChecking - Skip type checking and cohercion.
+ * @return {object} The component data
+ */
+ buildData: function (newData, clobber, silent, skipTypeChecking) {
+ var componentDefined;
+ var data;
+ var defaultValue;
+ var keys;
+ var keysLength;
+ var mixinData;
+ var schema = this.schema;
+ var i;
+ var isSinglePropSchema = isSingleProp(schema);
+ var mixinEls = this.el.mixinEls;
+ var previousData;
+
+ // Whether component has a defined value. For arrays, treat empty as not defined.
+ componentDefined = newData && newData.constructor === Array
+ ? newData.length
+ : newData !== undefined && newData !== null;
+
+ // 1. Default values (lowest precendence).
+ if (isSinglePropSchema) {
+ // Clone default value if plain object so components don't share the same object
+ // that might be modified by the user.
+ data = isObjectOrArray(schema.default) ? utils.clone(schema.default) : schema.default;
+ } else {
+ // Preserve previously set properties if clobber not enabled.
+ previousData = !clobber && this.attrValue;
+ // Clone previous data to prevent sharing references with attrValue that might be
+ // modified by the user.
+ data = typeof previousData === 'object' ? cloneData(previousData) : {};
+
+ // Apply defaults.
+ for (i = 0, keys = Object.keys(schema), keysLength = keys.length; i < keysLength; i++) {
+ defaultValue = schema[keys[i]].default;
+ if (data[keys[i]] !== undefined) { continue; }
+ // Clone default value if object so components don't share object
+ data[keys[i]] = isObjectOrArray(defaultValue) ? utils.clone(defaultValue) : defaultValue;
+ }
+ }
+
+ // 2. Mixin values.
+ for (i = 0; i < mixinEls.length; i++) {
+ mixinData = mixinEls[i].getAttribute(this.attrName);
+ if (mixinData) {
+ data = extendProperties(data, mixinData, isSinglePropSchema);
+ }
+ }
+
+ // 3. Attribute values (highest precendence).
+ if (componentDefined) {
+ if (isSinglePropSchema) {
+ if (skipTypeChecking === true) { return newData; }
+ return parseProperty(newData, schema);
+ }
+ data = extendProperties(data, newData, isSinglePropSchema);
+ } else {
+ if (skipTypeChecking === true) { return data; }
+ // Parse and coerce using the schema.
+ if (isSinglePropSchema) { return parseProperty(data, schema); }
+ }
+
+ if (skipTypeChecking === true) { return data; }
+ return parseProperties(data, schema, undefined, this.name, silent);
+ }
+};
+
+// For testing.
+if (window.debug) {
+ var registrationOrderWarnings = module.exports.registrationOrderWarnings = {};
+}
+
+/**
+ * Registers a component to A-Frame.
+ *
+ * @param {string} name - Component name.
+ * @param {object} definition - Component schema and lifecycle method handlers.
+ * @returns {object} Component.
+ */
+module.exports.registerComponent = function (name, definition) {
+ var NewComponent;
+ var proto = {};
+
+ // Warning if component is statically registered after the scene.
+ if (document.currentScript && document.currentScript !== aframeScript) {
+ scenes.forEach(function checkPosition (sceneEl) {
+ // Okay to register component after the scene at runtime.
+ if (sceneEl.hasLoaded) { return; }
+
+ // Check that component is declared before the scene.
+ if (document.currentScript.compareDocumentPosition(sceneEl) ===
+ Node.DOCUMENT_POSITION_FOLLOWING) { return; }
+
+ warn('The component `' + name + '` was registered in a <script> tag after the scene. ' +
+ 'Component <script> tags in an HTML file should be declared *before* the scene ' +
+ 'such that the component is available to entities during scene initialization.');
+
+ // For testing.
+ if (window.debug) { registrationOrderWarnings[name] = true; }
+ });
+ }
+
+ if (upperCaseRegExp.test(name) === true) {
+ warn('The component name `' + name + '` contains uppercase characters, but ' +
+ 'HTML will ignore the capitalization of attribute names. ' +
+ 'Change the name to be lowercase: `' + name.toLowerCase() + '`');
+ }
+
+ if (name.indexOf('__') !== -1) {
+ throw new Error('The component name `' + name + '` is not allowed. ' +
+ 'The sequence __ (double underscore) is reserved to specify an id' +
+ ' for multiple components of the same type');
+ }
+
+ // Format definition object to prototype object.
+ Object.keys(definition).forEach(function (key) {
+ proto[key] = {
+ value: definition[key],
+ writable: true
+ };
+ });
+
+ if (components[name]) {
+ throw new Error('The component `' + name + '` has been already registered. ' +
+ 'Check that you are not loading two versions of the same component ' +
+ 'or two different components of the same name.');
+ }
+ NewComponent = function (el, attr, id) {
+ Component.call(this, el, attr, id);
+ };
+
+ NewComponent.prototype = Object.create(Component.prototype, proto);
+ NewComponent.prototype.name = name;
+ NewComponent.prototype.constructor = NewComponent;
+ NewComponent.prototype.system = systems && systems.systems[name];
+ NewComponent.prototype.play = wrapPlay(NewComponent.prototype.play);
+ NewComponent.prototype.pause = wrapPause(NewComponent.prototype.pause);
+
+ components[name] = {
+ Component: NewComponent,
+ dependencies: NewComponent.prototype.dependencies,
+ isSingleProp: isSingleProp(NewComponent.prototype.schema),
+ multiple: NewComponent.prototype.multiple,
+ parse: NewComponent.prototype.parse,
+ parseAttrValueForCache: NewComponent.prototype.parseAttrValueForCache,
+ schema: utils.extend(processSchema(NewComponent.prototype.schema, NewComponent.prototype.name)),
+ stringify: NewComponent.prototype.stringify,
+ type: NewComponent.prototype.type
+ };
+ return NewComponent;
+};
+
+/**
+* Clone component data.
+* Clone only the properties that are plain objects while keeping a reference for the rest.
+*
+* @param data - Component data to clone.
+* @returns Cloned data.
+*/
+function cloneData (data) {
+ var clone = {};
+ var parsedProperty;
+ var key;
+ for (key in data) {
+ parsedProperty = data[key];
+ clone[key] = isObjectOrArray(parsedProperty) ? utils.clone(parsedProperty) : parsedProperty;
+ }
+ return clone;
+}
+
+/**
+* Object extending with checking for single-property schema.
+*
+* @param dest - Destination object or value.
+* @param source - Source object or value
+* @param {boolean} isSinglePropSchema - Whether or not schema is only a single property.
+* @returns Overridden object or value.
+*/
+function extendProperties (dest, source, isSinglePropSchema) {
+ if (isSinglePropSchema && (source === null || typeof source !== 'object')) { return source; }
+ return utils.extend(dest, source);
+}
+
+/**
+ * Checks if a component has defined a method that needs to run every frame.
+ */
+function hasBehavior (component) {
+ return component.tick || component.tock;
+}
+
+/**
+ * Wrapper for user defined pause method
+ * Pause component by removing tick behavior and calling user's pause method.
+ *
+ * @param pauseMethod {function} - user defined pause method
+ */
+function wrapPause (pauseMethod) {
+ return function pause () {
+ var sceneEl = this.el.sceneEl;
+ if (!this.isPlaying) { return; }
+ pauseMethod.call(this);
+ this.isPlaying = false;
+ // Remove tick behavior.
+ if (!hasBehavior(this)) { return; }
+ sceneEl.removeBehavior(this);
+ };
+}
+
+/**
+ * Wrapper for user defined play method
+ * Play component by adding tick behavior and calling user's play method.
+ *
+ * @param playMethod {function} - user defined play method
+ *
+ */
+function wrapPlay (playMethod) {
+ return function play () {
+ var sceneEl = this.el.sceneEl;
+ var shouldPlay = this.el.isPlaying && !this.isPlaying;
+ if (!this.initialized || !shouldPlay) { return; }
+ playMethod.call(this);
+ this.isPlaying = true;
+ // Add tick behavior.
+ if (!hasBehavior(this)) { return; }
+ sceneEl.addBehavior(this);
+ };
+}
+
+function isObjectOrArray (value) {
+ return value && (value.constructor === Object || value.constructor === Array);
+}
+
+},{"../utils/":195,"./scene/scenes":131,"./schema":133,"./system":135}],126:[function(_dereq_,module,exports){
+var schema = _dereq_('./schema');
+
+var processSchema = schema.process;
+var geometries = module.exports.geometries = {}; // Registered geometries.
+var geometryNames = module.exports.geometryNames = []; // Names of registered geometries.
+var THREE = _dereq_('../lib/three');
+
+/**
+ * Geometry class definition.
+ *
+ * Geometries extend the geometry component API to create and register geometry types.
+ */
+var Geometry = module.exports.Geometry = function () {};
+
+Geometry.prototype = {
+ /**
+ * Contains the type schema and defaults for the data values.
+ * Data is coerced into the types of the values of the defaults.
+ */
+ schema: {},
+
+ /**
+ * Init handler. Similar to attachedCallback.
+ * Called during shader initialization and is only run once.
+ */
+ init: function (data) {
+ this.geometry = new THREE.Geometry();
+ return this.geometry;
+ },
+
+ /**
+ * Update handler. Similar to attributeChangedCallback.
+ * Called whenever the associated geometry data changes.
+ *
+ * @param {object} data - New geometry data.
+ */
+ update: function (data) { /* no-op */ }
+};
+
+/**
+ * Registers a geometry to A-Frame.
+ *
+ * @param {string} name - Geometry name.
+ * @param {object} definition - Geometry property and methods.
+ * @returns {object} Geometry.
+ */
+module.exports.registerGeometry = function (name, definition) {
+ var NewGeometry;
+ var proto = {};
+
+ // Format definition object to prototype object.
+ Object.keys(definition).forEach(function expandDefinition (key) {
+ proto[key] = {
+ value: definition[key],
+ writable: true
+ };
+ });
+
+ if (geometries[name]) {
+ throw new Error('The geometry `' + name + '` has been already registered');
+ }
+ NewGeometry = function () { Geometry.call(this); };
+ NewGeometry.prototype = Object.create(Geometry.prototype, proto);
+ NewGeometry.prototype.name = name;
+ NewGeometry.prototype.constructor = NewGeometry;
+ geometries[name] = {
+ Geometry: NewGeometry,
+ schema: processSchema(NewGeometry.prototype.schema)
+ };
+ geometryNames.push(name);
+ return NewGeometry;
+};
+
+},{"../lib/three":173,"./schema":133}],127:[function(_dereq_,module,exports){
+var coordinates = _dereq_('../utils/coordinates');
+var debug = _dereq_('debug');
+
+var error = debug('core:propertyTypes:warn');
+var warn = debug('core:propertyTypes:warn');
+
+var propertyTypes = module.exports.propertyTypes = {};
+var nonCharRegex = /[,> .[\]:]/;
+
+// Built-in property types.
+registerPropertyType('audio', '', assetParse);
+registerPropertyType('array', [], arrayParse, arrayStringify);
+registerPropertyType('asset', '', assetParse);
+registerPropertyType('boolean', false, boolParse);
+registerPropertyType('color', '#FFF', defaultParse, defaultStringify);
+registerPropertyType('int', 0, intParse);
+registerPropertyType('number', 0, numberParse);
+registerPropertyType('map', '', assetParse);
+registerPropertyType('model', '', assetParse);
+registerPropertyType('selector', null, selectorParse, selectorStringify);
+registerPropertyType('selectorAll', null, selectorAllParse, selectorAllStringify);
+registerPropertyType('src', '', srcParse);
+registerPropertyType('string', '', defaultParse, defaultStringify);
+registerPropertyType('time', 0, intParse);
+registerPropertyType('vec2', {x: 0, y: 0}, vecParse, coordinates.stringify);
+registerPropertyType('vec3', {x: 0, y: 0, z: 0}, vecParse, coordinates.stringify);
+registerPropertyType('vec4', {x: 0, y: 0, z: 0, w: 0}, vecParse, coordinates.stringify);
+
+/**
+ * Register a parser for re-use such that when someone uses `type` in the schema,
+ * `schema.process` will set the property `parse` and `stringify`.
+ *
+ * @param {string} type - Type name.
+ * @param [defaultValue=null] -
+ * Default value to use if component does not define default value.
+ * @param {function} [parse=defaultParse] - Parse string function.
+ * @param {function} [stringify=defaultStringify] - Stringify to DOM function.
+ */
+function registerPropertyType (type, defaultValue, parse, stringify) {
+ if ('type' in propertyTypes) {
+ error('Property type ' + type + ' is already registered.');
+ return;
+ }
+
+ propertyTypes[type] = {
+ default: defaultValue,
+ parse: parse || defaultParse,
+ stringify: stringify || defaultStringify
+ };
+}
+module.exports.registerPropertyType = registerPropertyType;
+
+function arrayParse (value) {
+ if (Array.isArray(value)) { return value; }
+ if (!value || typeof value !== 'string') { return []; }
+ return value.split(',').map(trim);
+ function trim (str) { return str.trim(); }
+}
+
+function arrayStringify (value) {
+ return value.join(', ');
+}
+
+/**
+ * For general assets.
+ *
+ * @param {string} value - Can either be `url(<value>)`, an ID selector to an asset, or
+ * just string.
+ * @returns {string} Parsed value from `url(<value>)`, src from `<someasset src>`, or
+ * just string.
+ */
+function assetParse (value) {
+ var el;
+ var parsedUrl;
+
+ // If an element was provided (e.g. canvas or video), just return it.
+ if (typeof value !== 'string') { return value; }
+
+ // Wrapped `url()` in case of data URI.
+ parsedUrl = value.match(/\url\((.+)\)/);
+ if (parsedUrl) { return parsedUrl[1]; }
+
+ // ID.
+ if (value.charAt(0) === '#') {
+ el = document.getElementById(value.substring(1));
+ if (el) {
+ // Pass through media elements. If we have the elements, we don't have to call
+ // three.js loaders which would re-request the assets.
+ if (el.tagName === 'CANVAS' || el.tagName === 'VIDEO' || el.tagName === 'IMG') {
+ return el;
+ }
+ return el.getAttribute('src');
+ }
+ warn('"' + value + '" asset not found.');
+ return;
+ }
+
+ // Non-wrapped url().
+ return value;
+}
+
+function defaultParse (value) {
+ return value;
+}
+
+function defaultStringify (value) {
+ if (value === null) { return 'null'; }
+ return value.toString();
+}
+
+function boolParse (value) {
+ return value !== 'false' && value !== false;
+}
+
+function intParse (value) {
+ return parseInt(value, 10);
+}
+
+function numberParse (value) {
+ return parseFloat(value, 10);
+}
+
+function selectorParse (value) {
+ if (!value) { return null; }
+ if (typeof value !== 'string') { return value; }
+ if (value[0] === '#' && !nonCharRegex.test(value)) {
+ // When selecting element by ID only, use getElementById for better performance.
+ // Don't match like #myId .child.
+ return document.getElementById(value.substring(1));
+ }
+ return document.querySelector(value);
+}
+
+function selectorAllParse (value) {
+ if (!value) { return null; }
+ if (typeof value !== 'string') { return value; }
+ return Array.prototype.slice.call(document.querySelectorAll(value), 0);
+}
+
+function selectorStringify (value) {
+ if (value.getAttribute) {
+ return '#' + value.getAttribute('id');
+ }
+ return defaultStringify(value);
+}
+
+function selectorAllStringify (value) {
+ if (value instanceof Array) {
+ return value.map(function (element) {
+ return '#' + element.getAttribute('id');
+ }).join(', ');
+ }
+ return defaultStringify(value);
+}
+
+function srcParse (value) {
+ warn('`src` property type is deprecated. Use `asset` instead.');
+ return assetParse(value);
+}
+
+function vecParse (value) {
+ return coordinates.parse(value, this.default);
+}
+
+/**
+ * Validate the default values in a schema to match their type.
+ *
+ * @param {string} type - Property type name.
+ * @param defaultVal - Property type default value.
+ * @returns {boolean} Whether default value is accurate given the type.
+ */
+function isValidDefaultValue (type, defaultVal) {
+ if (type === 'audio' && typeof defaultVal !== 'string') { return false; }
+ if (type === 'array' && !Array.isArray(defaultVal)) { return false; }
+ if (type === 'asset' && typeof defaultVal !== 'string') { return false; }
+ if (type === 'boolean' && typeof defaultVal !== 'boolean') { return false; }
+ if (type === 'color' && typeof defaultVal !== 'string') { return false; }
+ if (type === 'int' && typeof defaultVal !== 'number') { return false; }
+ if (type === 'number' && typeof defaultVal !== 'number') { return false; }
+ if (type === 'map' && typeof defaultVal !== 'string') { return false; }
+ if (type === 'model' && typeof defaultVal !== 'string') { return false; }
+ if (type === 'selector' && typeof defaultVal !== 'string' &&
+ defaultVal !== null) { return false; }
+ if (type === 'selectorAll' && typeof defaultVal !== 'string' &&
+ defaultVal !== null) { return false; }
+ if (type === 'src' && typeof defaultVal !== 'string') { return false; }
+ if (type === 'string' && typeof defaultVal !== 'string') { return false; }
+ if (type === 'time' && typeof defaultVal !== 'number') { return false; }
+ if (type === 'vec2') { return isValidDefaultCoordinate(defaultVal, 2); }
+ if (type === 'vec3') { return isValidDefaultCoordinate(defaultVal, 3); }
+ if (type === 'vec4') { return isValidDefaultCoordinate(defaultVal, 4); }
+ return true;
+}
+module.exports.isValidDefaultValue = isValidDefaultValue;
+
+/**
+ * Checks if default coordinates are valid.
+ *
+ * @param possibleCoordinates
+ * @param {number} dimensions - 2 for 2D Vector, 3 for 3D vector.
+ * @returns {boolean} Whether coordinates are parsed correctly.
+ */
+function isValidDefaultCoordinate (possibleCoordinates, dimensions) {
+ if (possibleCoordinates === null) { return true; }
+ if (typeof possibleCoordinates !== 'object') { return false; }
+
+ if (Object.keys(possibleCoordinates).length !== dimensions) {
+ return false;
+ } else {
+ var x = possibleCoordinates.x;
+ var y = possibleCoordinates.y;
+ var z = possibleCoordinates.z;
+ var w = possibleCoordinates.w;
+
+ if (typeof x !== 'number' || typeof y !== 'number') { return false; }
+ if (dimensions > 2 && typeof z !== 'number') { return false; }
+ if (dimensions > 3 && typeof w !== 'number') { return false; }
+ }
+
+ return true;
+}
+module.exports.isValidDefaultCoordinate = isValidDefaultCoordinate;
+
+},{"../utils/coordinates":190,"debug":10}],128:[function(_dereq_,module,exports){
+/* global Promise, screen */
+var initMetaTags = _dereq_('./metaTags').inject;
+var initWakelock = _dereq_('./wakelock');
+var re = _dereq_('../a-register-element');
+var scenes = _dereq_('./scenes');
+var systems = _dereq_('../system').systems;
+var THREE = _dereq_('../../lib/three');
+var TWEEN = _dereq_('@tweenjs/tween.js');
+var utils = _dereq_('../../utils/');
+// Require after.
+var AEntity = _dereq_('../a-entity');
+var ANode = _dereq_('../a-node');
+var initPostMessageAPI = _dereq_('./postMessage');
+
+var bind = utils.bind;
+var isIOS = utils.device.isIOS();
+var isMobile = utils.device.isMobile();
+var registerElement = re.registerElement;
+var warn = utils.debug('core:a-scene:warn');
+
+/**
+ * Scene element, holds all entities.
+ *
+ * @member {array} behaviors - Component instances that have registered themselves to be
+ updated on every tick.
+ * @member {object} camera - three.js Camera object.
+ * @member {object} canvas
+ * @member {bool} isScene - Differentiates as scene entity as opposed to other entites.
+ * @member {bool} isMobile - Whether browser is mobile (via UA detection).
+ * @member {object} object3D - Root three.js Scene object.
+ * @member {object} renderer
+ * @member {bool} renderStarted
+ * @member {object} systems - Registered instantiated systems.
+ * @member {number} time
+ */
+module.exports.AScene = registerElement('a-scene', {
+ prototype: Object.create(AEntity.prototype, {
+ defaultComponents: {
+ value: {
+ 'inspector': '',
+ 'keyboard-shortcuts': '',
+ 'screenshot': '',
+ 'vr-mode-ui': ''
+ }
+ },
+
+ createdCallback: {
+ value: function () {
+ this.isIOS = isIOS;
+ this.isMobile = isMobile;
+ this.isScene = true;
+ this.object3D = new THREE.Scene();
+ this.render = bind(this.render, this);
+ this.systems = {};
+ this.systemNames = [];
+ this.time = 0;
+ this.init();
+ }
+ },
+
+ init: {
+ value: function () {
+ this.behaviors = {tick: [], tock: []};
+ this.hasLoaded = false;
+ this.isPlaying = false;
+ this.originalHTML = this.innerHTML;
+ this.renderTarget = null;
+ setupCanvas(this);
+ this.setupRenderer();
+ this.resize();
+ this.addFullScreenStyles();
+ initPostMessageAPI(this);
+ },
+ writable: true
+ },
+
+ addFullScreenStyles: {
+ value: function () {
+ var htmlEl = document.documentElement;
+ htmlEl.classList.add('a-html');
+ document.body.classList.add('a-body');
+ this.classList.add('fullscreen');
+ }
+ },
+
+ removeFullScreenStyles: {
+ value: function () {
+ var htmlEl = document.documentElement;
+ htmlEl.classList.remove('a-html');
+ document.body.classList.remove('a-body');
+ this.classList.remove('fullscreen');
+ }
+ },
+
+ attachedCallback: {
+ value: function () {
+ var resize;
+ var self = this;
+
+ initMetaTags(this);
+ initWakelock(this);
+ this.initSystems();
+
+ resize = bind(this.resize, this);
+ window.addEventListener('load', resize);
+ window.addEventListener('resize', function () {
+ // Workaround for a Webkit bug (https://bugs.webkit.org/show_bug.cgi?id=170595)
+ // where the window does not contain the correct viewport size
+ // after an orientation change. The window size is correct if the operation
+ // is postponed a few milliseconds.
+ // self.resize can be called directly once the bug above is fixed.
+ if (this.isIOS) {
+ setTimeout(resize, 100);
+ } else {
+ resize();
+ }
+ });
+ this.play();
+
+ // Add to scene index.
+ scenes.push(this);
+
+ // Handler to exit VR (e.g., Oculus Browser back button).
+ this.onVRPresentChangeBound = bind(this.onVRPresentChange, this);
+ window.addEventListener('vrdisplaypresentchange', this.onVRPresentChangeBound);
+
+ // bind functions
+ this.enterVRBound = function () { self.enterVR(); };
+ this.exitVRBound = function () { self.exitVR(); };
+ this.exitVRTrueBound = function () { self.exitVR(true); };
+ this.pointerRestrictedBound = function () { self.pointerRestricted(); };
+ this.pointerUnrestrictedBound = function () { self.pointerUnrestricted(); };
+
+ // Enter VR on `vrdisplayactivate` (e.g. putting on Rift headset).
+ window.addEventListener('vrdisplayactivate', this.enterVRBound);
+
+ // Exit VR on `vrdisplaydeactivate` (e.g. taking off Rift headset).
+ window.addEventListener('vrdisplaydeactivate', this.exitVRBound);
+
+ // Exit VR on `vrdisplaydisconnect` (e.g. unplugging Rift headset).
+ window.addEventListener('vrdisplaydisconnect', this.exitVRTrueBound);
+
+ // Register for mouse restricted events while in VR
+ // (e.g. mouse no longer available on desktop 2D view)
+ window.addEventListener('vrdisplaypointerrestricted', this.pointerRestrictedBound);
+
+ // Register for mouse unrestricted events while in VR
+ // (e.g. mouse once again available on desktop 2D view)
+ window.addEventListener('vrdisplaypointerunrestricted', this.pointerUnrestrictedBound);
+ },
+ writable: window.debug
+ },
+
+ /**
+ * Initialize all systems.
+ */
+ initSystems: {
+ value: function () {
+ Object.keys(systems).forEach(bind(this.initSystem, this));
+ }
+ },
+
+ /**
+ * Initialize a system.
+ */
+ initSystem: {
+ value: function (name) {
+ if (this.systems[name]) { return; }
+ this.systems[name] = new systems[name](this);
+ this.systemNames.push(name);
+ }
+ },
+
+ /**
+ * Shut down scene on detach.
+ */
+ detachedCallback: {
+ value: function () {
+ // Remove from scene index.
+ var sceneIndex = scenes.indexOf(this);
+ scenes.splice(sceneIndex, 1);
+
+ window.removeEventListener('vrdisplaypresentchange', this.onVRPresentChangeBound);
+ window.removeEventListener('vrdisplayactivate', this.enterVRBound);
+ window.removeEventListener('vrdisplaydeactivate', this.exitVRBound);
+ window.removeEventListener('vrdisplayconnect', this.enterVRBound);
+ window.removeEventListener('vrdisplaydisconnect', this.exitVRTrueBound);
+ window.removeEventListener('vrdisplaypointerrestricted', this.pointerRestrictedBound);
+ window.removeEventListener('vrdisplaypointerunrestricted', this.pointerUnrestrictedBound);
+ }
+ },
+
+ /**
+ * Add ticks and tocks.
+ *
+ * @param {object} behavior - A component.
+ */
+ addBehavior: {
+ value: function (behavior) {
+ var behaviorArr;
+ var behaviors = this.behaviors;
+ var behaviorType;
+
+ // Check if behavior has tick and/or tock and add the behavior to the appropriate list.
+ for (behaviorType in behaviors) {
+ if (!behavior[behaviorType]) { continue; }
+ behaviorArr = this.behaviors[behaviorType];
+ if (behaviorArr.indexOf(behavior) === -1) {
+ behaviorArr.push(behavior);
+ }
+ }
+ }
+ },
+
+ /**
+ * For tests.
+ */
+ getPointerLockElement: {
+ value: function () {
+ return document.pointerLockElement;
+ },
+ writable: window.debug
+ },
+
+ /**
+ * For tests.
+ */
+ checkHeadsetConnected: {
+ value: utils.device.checkHeadsetConnected,
+ writable: window.debug
+ },
+
+ /**
+ * Call `requestPresent` if WebVR or WebVR polyfill.
+ * Call `requestFullscreen` on desktop.
+ * Handle events, states, fullscreen styles.
+ *
+ * @param {bool} fromExternal - Whether exiting VR due to an external event (e.g.,
+ * manually calling requestPresent via WebVR API directly).
+ * @returns {Promise}
+ */
+ enterVR: {
+ value: function (fromExternal) {
+ var self = this;
+ var vrDisplay;
+ var vrManager = self.renderer.vr;
+ // Don't enter VR if already in VR.
+ if (this.is('vr-mode')) { return Promise.resolve('Already in VR.'); }
+ // Enter VR via WebVR API.
+ if (!fromExternal && (this.checkHeadsetConnected() || this.isMobile)) {
+ vrDisplay = utils.device.getVRDisplay();
+ vrManager.setDevice(vrDisplay);
+ vrManager.enabled = true;
+ vrManager.setPoseTarget(this.camera.el.object3D);
+ return vrDisplay.requestPresent([{source: this.canvas}])
+ .then(enterVRSuccess, enterVRFailure);
+ }
+ enterVRSuccess();
+ return Promise.resolve();
+
+ function enterVRSuccess () {
+ self.addState('vr-mode');
+ self.emit('enter-vr', {target: self});
+ // Lock to landscape orientation on mobile.
+ if (self.isMobile && screen.orientation && screen.orientation.lock) {
+ screen.orientation.lock('landscape');
+ }
+ self.addFullScreenStyles();
+
+ // On mobile, the polyfill handles fullscreen.
+ // TODO: 07/16 Chromium builds break when `requestFullscreen`ing on a canvas
+ // that we are also `requestPresent`ing. Until then, don't fullscreen if headset
+ // connected.
+ if (!self.isMobile && !self.checkHeadsetConnected()) {
+ requestFullscreen(self.canvas);
+ }
+ self.resize();
+ }
+
+ function enterVRFailure (err) {
+ if (err && err.message) {
+ throw new Error('Failed to enter VR mode (`requestPresent`): ' + err.message);
+ } else {
+ throw new Error('Failed to enter VR mode (`requestPresent`).');
+ }
+ }
+ },
+ writable: true
+ },
+ /**
+ * Call `exitPresent` if WebVR or WebVR polyfill.
+ * Handle events, states, fullscreen styles.
+ *
+ * @param {bool} fromExternal - Whether exiting VR due to an external event (e.g.,
+ * Oculus Browser GearVR back button).
+ * @returns {Promise}
+ */
+ exitVR: {
+ value: function (fromExternal) {
+ var self = this;
+ var vrDisplay;
+
+ // Don't exit VR if not in VR.
+ if (!this.is('vr-mode')) { return Promise.resolve('Not in VR.'); }
+
+ exitFullscreen();
+
+ // Handle exiting VR if not yet already and in a headset or polyfill.
+ if (!fromExternal && (this.checkHeadsetConnected() || this.isMobile)) {
+ this.renderer.vr.enabled = false;
+ vrDisplay = utils.device.getVRDisplay();
+ return vrDisplay.exitPresent().then(exitVRSuccess, exitVRFailure);
+ }
+
+ // Handle exiting VR in all other cases (2D fullscreen, external exit VR event).
+ exitVRSuccess();
+
+ return Promise.resolve();
+
+ function exitVRSuccess () {
+ self.removeState('vr-mode');
+ // Lock to landscape orientation on mobile.
+ if (self.isMobile && screen.orientation && screen.orientation.unlock) {
+ screen.orientation.unlock();
+ }
+ // Exiting VR in embedded mode, no longer need fullscreen styles.
+ if (self.hasAttribute('embedded')) { self.removeFullScreenStyles(); }
+ self.resize();
+ if (self.isIOS) { utils.forceCanvasResizeSafariMobile(this.canvas); }
+ self.emit('exit-vr', {target: self});
+ }
+
+ function exitVRFailure (err) {
+ if (err && err.message) {
+ throw new Error('Failed to exit VR mode (`exitPresent`): ' + err.message);
+ } else {
+ throw new Error('Failed to exit VR mode (`exitPresent`).');
+ }
+ }
+ },
+ writable: true
+ },
+
+ pointerRestricted: {
+ value: function () {
+ if (this.canvas) {
+ var pointerLockElement = this.getPointerLockElement();
+ if (pointerLockElement && pointerLockElement !== this.canvas && document.exitPointerLock) {
+ // Recreate pointer lock on the canvas, if taken on another element.
+ document.exitPointerLock();
+ }
+
+ if (this.canvas.requestPointerLock) {
+ this.canvas.requestPointerLock();
+ }
+ }
+ }
+ },
+
+ pointerUnrestricted: {
+ value: function () {
+ var pointerLockElement = this.getPointerLockElement();
+ if (pointerLockElement && pointerLockElement === this.canvas && document.exitPointerLock) {
+ document.exitPointerLock();
+ }
+ }
+ },
+
+ /**
+ * Handle `vrdisplaypresentchange` event for exiting VR through other means than
+ * `<ESC>` key. For example, GearVR back button on Oculus Browser.
+ */
+ onVRPresentChange: {
+ value: function (evt) {
+ // Polyfill places display inside the detail property
+ var display = evt.display || evt.detail.display;
+ // Entering VR.
+ if (display.isPresenting) {
+ this.enterVR(true);
+ return;
+ }
+ // Exiting VR.
+ this.exitVR(true);
+ }
+ },
+
+ /**
+ * Wraps Entity.getAttribute to take into account for systems.
+ * If system exists, then return system data rather than possible component data.
+ */
+ getAttribute: {
+ value: function (attr) {
+ var system = this.systems[attr];
+ if (system) { return system.data; }
+ return AEntity.prototype.getAttribute.call(this, attr);
+ }
+ },
+
+ /**
+ * `getAttribute` used to be `getDOMAttribute` and `getComputedAttribute` used to be
+ * what `getAttribute` is now. Now legacy code.
+ */
+ getComputedAttribute: {
+ value: function (attr) {
+ warn('`getComputedAttribute` is deprecated. Use `getAttribute` instead.');
+ this.getAttribute(attr);
+ }
+ },
+
+ /**
+ * Wraps Entity.getDOMAttribute to take into account for systems.
+ * If system exists, then return system data rather than possible component data.
+ */
+ getDOMAttribute: {
+ value: function (attr) {
+ var system = this.systems[attr];
+ if (system) { return system.data; }
+ return AEntity.prototype.getDOMAttribute.call(this, attr);
+ }
+ },
+
+ /**
+ * Wrap Entity.setAttribute to take into account for systems.
+ * If system exists, then skip component initialization checks and do a normal
+ * setAttribute.
+ */
+ setAttribute: {
+ value: function (attr, value, componentPropValue) {
+ var system = this.systems[attr];
+ if (system) {
+ ANode.prototype.setAttribute.call(this, attr, value);
+ system.updateProperties(value);
+ return;
+ }
+ AEntity.prototype.setAttribute.call(this, attr, value, componentPropValue);
+ }
+ },
+
+ /**
+ * @param {object} behavior - A component.
+ */
+ removeBehavior: {
+ value: function (behavior) {
+ var behaviorArr;
+ var behaviorType;
+ var behaviors = this.behaviors;
+ var index;
+
+ // Check if behavior has tick and/or tock and remove the behavior from the appropriate array.
+ for (behaviorType in behaviors) {
+ if (!behavior[behaviorType]) { continue; }
+ behaviorArr = this.behaviors[behaviorType];
+ index = behaviorArr.indexOf(behavior);
+ if (index !== -1) { behaviorArr.splice(index, 1); }
+ }
+ }
+ },
+
+ resize: {
+ value: function () {
+ var camera = this.camera;
+ var canvas = this.canvas;
+ var embedded = this.getAttribute('embedded') && !this.is('vr-mode');
+ var size;
+ var vrDevice;
+ var isVRPresenting;
+ vrDevice = this.renderer.vr.getDevice();
+ isVRPresenting = this.renderer.vr.enabled && vrDevice && vrDevice.isPresenting;
+ // Do not update renderer, if a camera or a canvas have not been injected.
+ // In VR mode, three handles canvas resize based on the dimensions returned by
+ // the getEyeParameters function of the WebVR API. These dimensions are independent of
+ // the window size, therefore should not be overwritten with the window's width and height,
+ // except when in fullscreen mode.
+ if (!camera || !canvas || (this.is('vr-mode') && (this.isMobile || isVRPresenting))) { return; }
+ // Update camera.
+ size = getCanvasSize(canvas, embedded);
+ camera.aspect = size.width / size.height;
+ camera.updateProjectionMatrix();
+ // Notify renderer of size change.
+ this.renderer.setSize(size.width, size.height, false);
+ },
+ writable: true
+ },
+
+ setupRenderer: {
+ value: function () {
+ var renderer;
+ renderer = this.renderer = new THREE.WebGLRenderer({
+ canvas: this.canvas,
+ antialias: shouldAntiAlias(this),
+ alpha: true
+ });
+ renderer.setPixelRatio(window.devicePixelRatio);
+ renderer.sortObjects = false;
+ },
+ writable: window.debug
+ },
+
+ /**
+ * Handler attached to elements to help scene know when to kick off.
+ * Scene waits for all entities to load.
+ */
+ play: {
+ value: function () {
+ var self = this;
+ if (this.renderStarted) {
+ AEntity.prototype.play.call(this);
+ return;
+ }
+
+ this.addEventListener('loaded', function () {
+ AEntity.prototype.play.call(this); // .play() *before* render.
+
+ // Wait for camera if necessary before rendering.
+ if (this.camera) {
+ startRender(this);
+ return;
+ }
+ this.addEventListener('camera-set-active', function () { startRender(this); });
+
+ function startRender (sceneEl) {
+ if (sceneEl.renderStarted) { return; }
+
+ sceneEl.resize();
+
+ // Kick off render loop.
+ if (sceneEl.renderer) {
+ if (window.performance) {
+ window.performance.mark('render-started');
+ }
+ sceneEl.clock = new THREE.Clock();
+ sceneEl.render();
+ sceneEl.renderStarted = true;
+ sceneEl.emit('renderstart');
+ }
+ }
+ });
+
+ // setTimeout to wait for all nodes to attach and run their callbacks.
+ setTimeout(function () {
+ AEntity.prototype.load.call(self);
+ });
+ }
+ },
+
+ /**
+ * Wrap `updateComponent` to not initialize the component if the component has a system
+ * (aframevr/aframe#2365).
+ */
+ updateComponent: {
+ value: function (componentName) {
+ if (componentName in systems) { return; }
+ AEntity.prototype.updateComponent.apply(this, arguments);
+ }
+ },
+
+ /**
+ * Behavior-updater meant to be called from scene render.
+ * Abstracted to a different function to facilitate unit testing (`scene.tick()`) without
+ * needing to render.
+ */
+ tick: {
+ value: function (time, timeDelta) {
+ var i;
+ var systems = this.systems;
+
+ // Animations.
+ TWEEN.update();
+
+ // Components.
+ for (i = 0; i < this.behaviors.tick.length; i++) {
+ if (!this.behaviors.tick[i].el.isPlaying) { continue; }
+ this.behaviors.tick[i].tick(time, timeDelta);
+ }
+
+ // Systems.
+ for (i = 0; i < this.systemNames.length; i++) {
+ if (!systems[this.systemNames[i]].tick) { continue; }
+ systems[this.systemNames[i]].tick(time, timeDelta);
+ }
+ }
+ },
+
+ /**
+ * Behavior-updater meant to be called after scene render for post processing purposes.
+ * Abstracted to a different function to facilitate unit testing (`scene.tock()`) without
+ * needing to render.
+ */
+ tock: {
+ value: function (time, timeDelta) {
+ var i;
+ var systems = this.systems;
+
+ // Components.
+ for (i = 0; i < this.behaviors.tock.length; i++) {
+ if (!this.behaviors.tock[i].el.isPlaying) { continue; }
+ this.behaviors.tock[i].tock(time, timeDelta);
+ }
+
+ // Systems.
+ for (i = 0; i < this.systemNames.length; i++) {
+ if (!systems[this.systemNames[i]].tock) { continue; }
+ systems[this.systemNames[i]].tock(time, timeDelta);
+ }
+ }
+ },
+
+ /**
+ * The render loop.
+ *
+ * Updates animations.
+ * Updates behaviors.
+ * Renders with request animation frame.
+ */
+ render: {
+ value: function () {
+ var delta = this.clock.getDelta() * 1000;
+ var renderer = this.renderer;
+ this.time = this.clock.elapsedTime * 1000;
+
+ if (this.isPlaying) { this.tick(this.time, delta); }
+
+ renderer.animate(this.render);
+ renderer.render(this.object3D, this.camera, this.renderTarget);
+
+ if (this.isPlaying) { this.tock(this.time, delta); }
+ },
+ writable: true
+ }
+ })
+});
+
+/**
+ * Return the canvas size where the scene will be rendered
+ * It will be always the window size except when the scene
+ * is embedded. The parent size will be returned in that case
+ *
+ * @param {object} canvasEl - the canvas element
+ * @param {boolean} embedded - Is the scene embedded?
+ */
+function getCanvasSize (canvasEl, embedded) {
+ if (embedded) {
+ return {
+ height: canvasEl.parentElement.offsetHeight,
+ width: canvasEl.parentElement.offsetWidth
+ };
+ }
+ return {
+ height: window.innerHeight,
+ width: window.innerWidth
+ };
+}
+
+function requestFullscreen (canvas) {
+ var requestFullscreen =
+ canvas.requestFullscreen ||
+ canvas.webkitRequestFullscreen ||
+ canvas.mozRequestFullScreen || // The capitalized `S` is not a typo.
+ canvas.msRequestFullscreen;
+ requestFullscreen.apply(canvas);
+}
+
+function exitFullscreen () {
+ if (document.exitFullscreen) {
+ document.exitFullscreen();
+ } else if (document.mozCancelFullScreen) {
+ document.mozCancelFullScreen();
+ } else if (document.webkitExitFullscreen) {
+ document.webkitExitFullscreen();
+ }
+}
+
+/**
+ * Determines if renderer anti-aliasing should be enabled.
+ * Enabled by default if has native WebVR or is desktop.
+ *
+ * @returns {bool}
+ */
+function shouldAntiAlias (sceneEl) {
+ // Explicitly set.
+ if (sceneEl.getAttribute('antialias') !== null) {
+ return sceneEl.getAttribute('antialias') === 'true';
+ }
+
+ // Default not AA for mobile.
+ return !sceneEl.isMobile;
+}
+module.exports.shouldAntiAlias = shouldAntiAlias; // For testing.
+
+function setupCanvas (sceneEl) {
+ var canvasEl;
+
+ canvasEl = document.createElement('canvas');
+ canvasEl.classList.add('a-canvas');
+ // Mark canvas as provided/injected by A-Frame.
+ canvasEl.dataset.aframeCanvas = true;
+ sceneEl.appendChild(canvasEl);
+
+ document.addEventListener('fullscreenchange', onFullScreenChange);
+ document.addEventListener('mozfullscreenchange', onFullScreenChange);
+ document.addEventListener('webkitfullscreenchange', onFullScreenChange);
+
+ // Prevent overscroll on mobile.
+ canvasEl.addEventListener('touchmove', function (event) { event.preventDefault(); });
+
+ // Set canvas on scene.
+ sceneEl.canvas = canvasEl;
+ sceneEl.emit('render-target-loaded', {target: canvasEl});
+ // For unknown reasons a synchronous resize does not work on desktop when
+ // entering/exiting fullscreen.
+ setTimeout(bind(sceneEl.resize, sceneEl), 0);
+
+ function onFullScreenChange () {
+ var fullscreenEl =
+ document.fullscreenElement ||
+ document.mozFullScreenElement ||
+ document.webkitFullscreenElement;
+ // No fullscren element === exit fullscreen
+ if (!fullscreenEl) { sceneEl.exitVR(); }
+ document.activeElement.blur();
+ document.body.focus();
+ }
+}
+module.exports.setupCanvas = setupCanvas; // For testing.
+
+},{"../../lib/three":173,"../../utils/":195,"../a-entity":121,"../a-node":123,"../a-register-element":124,"../system":135,"./metaTags":129,"./postMessage":130,"./scenes":131,"./wakelock":132,"@tweenjs/tween.js":1}],129:[function(_dereq_,module,exports){
+var constants = _dereq_('../../constants/');
+var extend = _dereq_('../../utils').extend;
+
+var MOBILE_HEAD_TAGS = module.exports.MOBILE_HEAD_TAGS = [
+ Meta({name: 'viewport', content: 'width=device-width,initial-scale=1,maximum-scale=1,shrink-to-fit=no,user-scalable=no,minimal-ui'}),
+
+ // W3C-standardised meta tags.
+ Meta({name: 'mobile-web-app-capable', content: 'yes'}),
+ Meta({name: 'theme-color', content: 'black'})
+];
+
+var MOBILE_IOS_HEAD_TAGS = [
+ // iOS-specific meta tags for fullscreen when pinning to homescreen.
+ Meta({name: 'apple-mobile-web-app-capable', content: 'yes'}),
+ Meta({name: 'apple-mobile-web-app-status-bar-style', content: 'black'}),
+ Link({rel: 'apple-touch-icon', href: 'https://aframe.io/images/aframe-logo-152.png'})
+];
+
+function Meta (attrs) {
+ return {
+ tagName: 'meta',
+ attributes: attrs,
+ exists: function () { return document.querySelector('meta[name="' + attrs.name + '"]'); }
+ };
+}
+
+function Link (attrs) {
+ return {
+ tagName: 'link',
+ attributes: attrs,
+ exists: function () { return document.querySelector('link[rel="' + attrs.rel + '"]'); }
+ };
+}
+
+/**
+ * Injects the necessary metatags in the document for mobile support:
+ * 1. Prevent the user to zoom in the document.
+ * 2. Ensure that window.innerWidth and window.innerHeight have the correct
+ * values and the canvas is properly scaled.
+ * 3. To allow fullscreen mode when pinning a web app on the home screen on
+ * iOS.
+ * Adapted from https://www.reddit.com/r/web_design/comments/3la04p/
+ *
+ * @param {object} scene - Scene element
+ * @returns {Array}
+ */
+module.exports.inject = function injectHeadTags (scene) {
+ var headEl = document.head;
+ var headScriptEl = headEl.querySelector('script');
+ var tag;
+ var headTags = [];
+ MOBILE_HEAD_TAGS.forEach(createAndInjectTag);
+ if (scene.isIOS) {
+ MOBILE_IOS_HEAD_TAGS.forEach(createAndInjectTag);
+ }
+ return headTags;
+
+ function createAndInjectTag (tagObj) {
+ if (!tagObj || tagObj.exists()) { return; }
+
+ tag = createTag(tagObj);
+ if (!tag) { return; }
+
+ if (headScriptEl) {
+ headScriptEl.parentNode.insertBefore(tag, headScriptEl);
+ } else {
+ headEl.appendChild(tag);
+ }
+
+ headTags.push(tag);
+ }
+};
+
+function createTag (tagObj) {
+ if (!tagObj || !tagObj.tagName) { return; }
+ var meta = document.createElement(tagObj.tagName);
+ meta.setAttribute(constants.AFRAME_INJECTED, '');
+ return extend(meta, tagObj.attributes);
+}
+
+},{"../../constants/":116,"../../utils":195}],130:[function(_dereq_,module,exports){
+var bind = _dereq_('../../utils/bind');
+var isIframed = _dereq_('../../utils/').isIframed;
+
+/**
+ * Provides a post message API for scenes contained
+ * in an iframe.
+ */
+module.exports = function initPostMessageAPI (scene) {
+ // Handles fullscreen behavior when inside an iframe.
+ if (!isIframed()) { return; }
+ // postMessage API handler
+ window.addEventListener('message', bind(postMessageAPIHandler, scene));
+};
+
+function postMessageAPIHandler (event) {
+ var scene = this;
+ if (!event.data) { return; }
+
+ switch (event.data.type) {
+ case 'vr': {
+ switch (event.data.data) {
+ case 'enter':
+ scene.enterVR();
+ break;
+ case 'exit':
+ scene.exitVR();
+ break;
+ }
+ }
+ }
+}
+
+},{"../../utils/":195,"../../utils/bind":189}],131:[function(_dereq_,module,exports){
+/*
+ Scene index for keeping track of created scenes.
+*/
+module.exports = [];
+
+},{}],132:[function(_dereq_,module,exports){
+var Wakelock = _dereq_('../../../vendor/wakelock/wakelock');
+
+module.exports = function initWakelock (scene) {
+ if (!scene.isMobile) { return; }
+
+ var wakelock = scene.wakelock = new Wakelock();
+ scene.addEventListener('enter-vr', function () { wakelock.request(); });
+ scene.addEventListener('exit-vr', function () { wakelock.release(); });
+};
+
+},{"../../../vendor/wakelock/wakelock":204}],133:[function(_dereq_,module,exports){
+var utils = _dereq_('../utils/');
+var PropertyTypes = _dereq_('./propertyTypes');
+
+var debug = utils.debug;
+var isValidDefaultValue = PropertyTypes.isValidDefaultValue;
+var propertyTypes = PropertyTypes.propertyTypes;
+
+var warn = debug('core:schema:warn');
+
+/**
+ * A schema is classified as a schema for a single property if:
+ * - `type` is defined on the schema as a string.
+ * - OR `default` is defined on the schema, as a reserved keyword.
+ * - OR schema is empty.
+ */
+function isSingleProperty (schema) {
+ if ('type' in schema) {
+ return typeof schema.type === 'string';
+ }
+ return 'default' in schema;
+}
+module.exports.isSingleProperty = isSingleProperty;
+
+/**
+ * Build step to schema to use `type` to inject default value, parser, and stringifier.
+ *
+ * @param {object} schema
+ * @param {string} componentName
+ * @returns {object} Schema.
+ */
+module.exports.process = function (schema, componentName) {
+ var propName;
+
+ // For single property schema, run processPropDefinition over the whole schema.
+ if (isSingleProperty(schema)) {
+ return processPropertyDefinition(schema, componentName);
+ }
+
+ // For multi-property schema, run processPropDefinition over each property definition.
+ for (propName in schema) {
+ schema[propName] = processPropertyDefinition(schema[propName], componentName);
+ }
+ return schema;
+};
+
+/**
+ * Inject default value, parser, stringifier for single property.
+ *
+ * @param {object} propDefinition
+ * @param {string} componentName
+ */
+function processPropertyDefinition (propDefinition, componentName) {
+ var defaultVal = propDefinition.default;
+ var isCustomType;
+ var propType;
+ var typeName = propDefinition.type;
+
+ // Type inference.
+ if (!propDefinition.type) {
+ if (defaultVal !== undefined &&
+ (typeof defaultVal === 'boolean' || typeof defaultVal === 'number')) {
+ // Type inference.
+ typeName = typeof defaultVal;
+ } else if (Array.isArray(defaultVal)) {
+ typeName = 'array';
+ } else {
+ // Fall back to string.
+ typeName = 'string';
+ }
+ } else if (propDefinition.type === 'bool') {
+ typeName = 'boolean';
+ } else if (propDefinition.type === 'float') {
+ typeName = 'number';
+ }
+
+ propType = propertyTypes[typeName];
+ if (!propType) {
+ warn('Unknown property type for component `' + componentName + '`: ' + typeName);
+ }
+
+ // Fill in parse and stringify using property types.
+ isCustomType = !!propDefinition.parse;
+ propDefinition.parse = propDefinition.parse || propType.parse;
+ propDefinition.stringify = propDefinition.stringify || propType.stringify;
+
+ // Fill in type name.
+ propDefinition.type = typeName;
+
+ // Check that default value exists.
+ if ('default' in propDefinition) {
+ // Check that default values are valid.
+ if (!isCustomType && !isValidDefaultValue(typeName, defaultVal)) {
+ warn('Default value `' + defaultVal + '` does not match type `' + typeName +
+ '` in component `' + componentName + '`');
+ }
+ } else {
+ // Fill in default value.
+ propDefinition.default = propType.default;
+ }
+
+ return propDefinition;
+}
+module.exports.processPropertyDefinition = processPropertyDefinition;
+
+/**
+ * Parse propData using schema. Use default values if not existing in propData.
+ *
+ * @param {object} propData - Unparsed properties.
+ * @param {object} schema - Property types definition.
+ * @param {boolean} getPartialData - Whether to return full component data or just the data
+ * with keys in `propData`.
+ * @param {string } componentName - Name of the component, used for the property warning.
+ * @param {boolean} silent - Suppress warning messages.
+ */
+module.exports.parseProperties = (function () {
+ var propNames = [];
+
+ return function (propData, schema, getPartialData, componentName, silent) {
+ var i;
+ var propName;
+ var propDefinition;
+ var propValue;
+
+ propNames.length = 0;
+ for (propName in (getPartialData ? propData : schema)) { propNames.push(propName); }
+
+ if (propData === null || typeof propData !== 'object') { return propData; }
+
+ // Validation errors.
+ for (propName in propData) {
+ if (!schema[propName] && !silent) {
+ warn('Unknown property `' + propName +
+ '` for component/system `' + componentName + '`.');
+ }
+ }
+
+ for (i = 0; i < propNames.length; i++) {
+ propName = propNames[i];
+ propDefinition = schema[propName];
+ propValue = propData[propName];
+ if (!(schema[propName])) { return; }
+ propData[propName] = parseProperty(propValue, propDefinition);
+ }
+
+ return propData;
+ };
+})();
+
+/**
+ * Deserialize a single property.
+ */
+function parseProperty (value, propDefinition) {
+ // Use default value if value is falsy.
+ if (value === undefined || value === null || value === '') {
+ value = propDefinition.default;
+ if (Array.isArray(value)) { value = value.slice(); }
+ }
+ // Invoke property type parser.
+ return propDefinition.parse(value, propDefinition.default);
+}
+module.exports.parseProperty = parseProperty;
+
+/**
+ * Serialize a group of properties.
+ */
+module.exports.stringifyProperties = function (propData, schema) {
+ var propName;
+ var propDefinition;
+ var propValue;
+ var stringifiedData = {};
+ var value;
+
+ for (propName in propData) {
+ propDefinition = schema[propName];
+ propValue = propData[propName];
+ value = propValue;
+ if (typeof value === 'object') {
+ value = stringifyProperty(propValue, propDefinition);
+ if (!propDefinition) { warn('Unknown component property: ' + propName); }
+ }
+ stringifiedData[propName] = value;
+ }
+ return stringifiedData;
+};
+
+/**
+ * Serialize a single property.
+ */
+function stringifyProperty (value, propDefinition) {
+ // This function stringifies but it's used in a context where
+ // there's always second stringification pass. By returning the original
+ // value when it's not an object we save one unnecessary call
+ // to JSON.stringify.
+ if (typeof value !== 'object') { return value; }
+ // if there's no schema for the property we use standar JSON stringify
+ if (!propDefinition || value === null) { return JSON.stringify(value); }
+ return propDefinition.stringify(value);
+}
+module.exports.stringifyProperty = stringifyProperty;
+
+},{"../utils/":195,"./propertyTypes":127}],134:[function(_dereq_,module,exports){
+var schema = _dereq_('./schema');
+
+var processSchema = schema.process;
+var shaders = module.exports.shaders = {}; // Keep track of registered shaders.
+var shaderNames = module.exports.shaderNames = []; // Keep track of the names of registered shaders.
+var THREE = _dereq_('../lib/three');
+var utils = _dereq_('../utils');
+
+// A-Frame properties to three.js uniform types.
+var propertyToThreeMapping = {
+ array: 'v3',
+ color: 'v3',
+ int: 'i',
+ number: 'f',
+ map: 't',
+ time: 'f',
+ vec2: 'v2',
+ vec3: 'v3',
+ vec4: 'v4'
+};
+
+/**
+ * Shader class definition.
+ *
+ * Shaders extend the material component API so you can create your own library
+ * of customized materials
+ *
+ */
+var Shader = module.exports.Shader = function () {};
+
+Shader.prototype = {
+ /**
+ * Contains the type schema and defaults for the data values.
+ * Data is coerced into the types of the values of the defaults.
+ */
+ schema: {},
+
+ vertexShader:
+ 'void main() {' +
+ 'gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);' +
+ '}',
+
+ fragmentShader:
+ 'void main() {' +
+ 'gl_FragColor = vec4(1.0, 0.0, 1.0, 1.0);' +
+ '}',
+
+ /**
+ * Init handler. Similar to attachedCallback.
+ * Called during shader initialization and is only run once.
+ */
+ init: function (data) {
+ this.attributes = this.initVariables(data, 'attribute');
+ this.uniforms = this.initVariables(data, 'uniform');
+ this.material = new (this.raw ? THREE.RawShaderMaterial : THREE.ShaderMaterial)({
+ // attributes: this.attributes,
+ uniforms: this.uniforms,
+ vertexShader: this.vertexShader,
+ fragmentShader: this.fragmentShader
+ });
+ return this.material;
+ },
+
+ initVariables: function (data, type) {
+ var variables = {};
+ var schema = this.schema;
+ Object.keys(schema).forEach(function processSchema (key) {
+ if (schema[key].is !== type) { return; }
+ var varType = propertyToThreeMapping[schema[key].type];
+ variables[key] = {
+ type: varType,
+ value: undefined // Let updateVariables handle setting these.
+ };
+ });
+ return variables;
+ },
+
+ /**
+ * Update handler. Similar to attributeChangedCallback.
+ * Called whenever the associated material data changes.
+ *
+ * @param {object} data - New material data.
+ */
+ update: function (data) {
+ this.updateVariables(data, 'attribute');
+ this.updateVariables(data, 'uniform');
+ },
+
+ updateVariables: function (data, type) {
+ var self = this;
+ var variables = type === 'uniform' ? this.uniforms : this.attributes;
+ var schema = this.schema;
+ Object.keys(data).forEach(function processData (key) {
+ var materialKey;
+ if (!schema[key] || schema[key].is !== type) { return; }
+
+ if (schema[key].type === 'map') {
+ // If data unchanged, get out early.
+ if (!variables[key] || variables[key].value === data[key]) { return; }
+
+ // Special handling is needed for textures.
+ materialKey = '_texture_' + key;
+
+ // We can't actually set the variable correctly until we've loaded the texture.
+ self.el.addEventListener('materialtextureloaded', function () {
+ variables[key].value = self.material[materialKey];
+ variables[key].needsUpdate = true;
+ });
+
+ // Kick off the texture update now that handler is added.
+ utils.material.updateMapMaterialFromData(materialKey, key, self, data);
+ return;
+ }
+ variables[key].value = self.parseValue(schema[key].type, data[key]);
+ variables[key].needsUpdate = true;
+ });
+ },
+
+ parseValue: function (type, value) {
+ var color;
+ switch (type) {
+ case 'vec2': {
+ return new THREE.Vector2(value.x, value.y);
+ }
+ case 'vec3': {
+ return new THREE.Vector3(value.x, value.y, value.z);
+ }
+ case 'vec4': {
+ return new THREE.Vector4(value.x, value.y, value.z, value.w);
+ }
+ case 'color': {
+ color = new THREE.Color(value);
+ return new THREE.Vector3(color.r, color.g, color.b);
+ }
+ case 'map': {
+ return THREE.ImageUtils.loadTexture(value);
+ }
+ default: {
+ return value;
+ }
+ }
+ }
+};
+
+/**
+ * Registers a shader to A-Frame.
+ *
+ * @param {string} name - shader name.
+ * @param {object} definition - shader property and methods.
+ * @returns {object} Shader.
+ */
+module.exports.registerShader = function (name, definition) {
+ var NewShader;
+ var proto = {};
+
+ // Format definition object to prototype object.
+ Object.keys(definition).forEach(function (key) {
+ proto[key] = {
+ value: definition[key],
+ writable: true
+ };
+ });
+
+ if (shaders[name]) {
+ throw new Error('The shader ' + name + ' has been already registered');
+ }
+ NewShader = function () { Shader.call(this); };
+ NewShader.prototype = Object.create(Shader.prototype, proto);
+ NewShader.prototype.name = name;
+ NewShader.prototype.constructor = NewShader;
+ shaders[name] = {
+ Shader: NewShader,
+ schema: processSchema(NewShader.prototype.schema)
+ };
+ shaderNames.push(name);
+ return NewShader;
+};
+
+},{"../lib/three":173,"../utils":195,"./schema":133}],135:[function(_dereq_,module,exports){
+var components = _dereq_('./component');
+var schema = _dereq_('./schema');
+var utils = _dereq_('../utils/');
+
+var parseProperties = schema.parseProperties;
+var parseProperty = schema.parseProperty;
+var processSchema = schema.process;
+var isSingleProp = schema.isSingleProperty;
+var styleParser = utils.styleParser;
+
+var systems = module.exports.systems = {}; // Keep track of registered systems.
+
+/**
+ * System class definition.
+ *
+ * Systems provide global scope and services to a group of instantiated components of the
+ * same class. They can also help abstract logic away from components such that components
+ * only have to worry about data.
+ *
+ * For example, a physics component that creates a physics world that oversees
+ * all entities with a physics or rigid body component.
+ *
+ * TODO: Have the System prototype reuse the Component prototype. Most code is copied
+ * and some pieces are missing from the Component facilities (e.g., attribute caching,
+ * setAttribute behavior).
+ *
+ * @member {string} name - Name that system is registered under.
+ * @member {Element} sceneEl - Handle to the scene element where system applies to.
+ */
+var System = module.exports.System = function (sceneEl) {
+ var component = components && components.components[this.name];
+
+ // Set reference to scene.
+ this.el = sceneEl;
+ this.sceneEl = sceneEl;
+
+ // Set reference to matching component (if exists).
+ if (component) { component.Component.prototype.system = this; }
+
+ // Process system configuration.
+ this.buildData();
+ this.init();
+ this.update({});
+};
+
+System.prototype = {
+ /**
+ * Schema to configure system.
+ */
+ schema: {},
+
+ /**
+ * Init handler. Called during scene initialization and is only run once.
+ * Systems can use this to set initial state.
+ */
+ init: function () { /* no-op */ },
+
+ /**
+ * Update handler. Called during scene attribute updates.
+ * Systems can use this to dynamically update their state.
+ */
+ update: function (oldData) { /* no-op */ },
+
+ /**
+ * Build data and call update handler.
+ *
+ * @private
+ */
+ updateProperties: function (rawData) {
+ var oldData = this.data;
+ if (!Object.keys(schema).length) { return; }
+ this.buildData(rawData);
+ this.update(oldData);
+ },
+
+ /**
+ * Parse data.
+ */
+ buildData: function (rawData) {
+ var schema = this.schema;
+ if (!Object.keys(schema).length) { return; }
+ rawData = rawData || window.HTMLElement.prototype.getAttribute.call(this.sceneEl, this.name);
+ if (isSingleProp(schema)) {
+ this.data = parseProperty(rawData, schema);
+ } else {
+ this.data = parseProperties(styleParser.parse(rawData) || {}, schema);
+ }
+ },
+
+ /**
+ * Tick handler.
+ * Called on each tick of the scene render loop.
+ * Affected by play and pause.
+ *
+ * @param {number} time - Scene tick time.
+ * @param {number} timeDelta - Difference in current render time and previous render time.
+ */
+ tick: undefined,
+
+ /**
+ * Tock handler.
+ * Called on each tock of the scene render loop.
+ * Affected by play and pause.
+ *
+ * @param {number} time - Scene tick time.
+ * @param {number} timeDelta - Difference in current render time and previous render time.
+ */
+ tock: undefined,
+
+ /**
+ * Called to start any dynamic behavior (e.g., animation, AI, events, physics).
+ */
+ play: function () { /* no-op */ },
+
+ /**
+ * Called to stop any dynamic behavior (e.g., animation, AI, events, physics).
+ */
+ pause: function () { /* no-op */ }
+};
+
+/**
+ * Registers a system to A-Frame.
+ *
+ * @param {string} name - Component name.
+ * @param {object} definition - Component property and methods.
+ * @returns {object} Component.
+ */
+module.exports.registerSystem = function (name, definition) {
+ var i;
+ var NewSystem;
+ var proto = {};
+ var scenes = utils.findAllScenes(document);
+
+ // Format definition object to prototype object.
+ Object.keys(definition).forEach(function (key) {
+ proto[key] = {
+ value: definition[key],
+ writable: true
+ };
+ });
+
+ if (systems[name]) {
+ throw new Error('The system `' + name + '` has been already registered. ' +
+ 'Check that you are not loading two versions of the same system ' +
+ 'or two different systems of the same name.');
+ }
+ NewSystem = function (sceneEl) { System.call(this, sceneEl); };
+ NewSystem.prototype = Object.create(System.prototype, proto);
+ NewSystem.prototype.name = name;
+ NewSystem.prototype.constructor = NewSystem;
+ NewSystem.prototype.schema = utils.extend(processSchema(NewSystem.prototype.schema));
+ systems[name] = NewSystem;
+
+ // Initialize systems for existing scenes
+ for (i = 0; i < scenes.length; i++) { scenes[i].initSystem(name); }
+};
+
+},{"../utils/":195,"./component":125,"./schema":133}],136:[function(_dereq_,module,exports){
+_dereq_('./pivot');
+
+},{"./pivot":137}],137:[function(_dereq_,module,exports){
+var registerComponent = _dereq_('../../core/component').registerComponent;
+var THREE = _dereq_('../../lib/three');
+
+var originalPosition = new THREE.Vector3();
+var originalRotation = new THREE.Vector3();
+
+/**
+ * Wrap el.object3D within an outer group. Apply pivot to el.object3D as position.
+ */
+registerComponent('pivot', {
+ dependencies: ['position'],
+
+ schema: {type: 'vec3'},
+
+ init: function () {
+ var data = this.data;
+ var el = this.el;
+ var originalParent = el.object3D.parent;
+ var originalGroup = el.object3D;
+ var outerGroup = new THREE.Group();
+
+ originalPosition.copy(originalGroup.position);
+ originalRotation.copy(originalGroup.rotation);
+
+ // Detach current group from parent.
+ originalParent.remove(originalGroup);
+ outerGroup.add(originalGroup);
+
+ // Set new group as the outer group.
+ originalParent.add(outerGroup);
+
+ // Set outer group as new object3D.
+ el.object3D = outerGroup;
+
+ // Apply pivot to original group.
+ originalGroup.position.set(-1 * data.x, -1 * data.y, -1 * data.z);
+
+ // Offset the pivot so that world position not affected.
+ // And restore position onto outer group.
+ outerGroup.position.set(data.x + originalPosition.x, data.y + originalPosition.y,
+ data.z + originalPosition.z);
+
+ // Transfer rotation to outer group.
+ outerGroup.rotation.copy(originalGroup.rotation);
+ originalGroup.rotation.set(0, 0, 0);
+ }
+});
+
+},{"../../core/component":125,"../../lib/three":173}],138:[function(_dereq_,module,exports){
+/**
+ * Common mesh defaults, mappings, and transforms.
+ */
+var components = _dereq_('../../core/component').components;
+var shaders = _dereq_('../../core/shader').shaders;
+var utils = _dereq_('../../utils/');
+
+var materialMappings = {};
+Object.keys(components.material.schema).forEach(addMapping);
+Object.keys(shaders.standard.schema).forEach(addMapping);
+
+function addMapping (prop) {
+ // To hyphenated.
+ var htmlAttrName = prop.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();
+ if (prop === 'fog') { htmlAttrName = 'material-fog'; }
+ if (prop === 'visible') { htmlAttrName = 'material-visible'; }
+ materialMappings[htmlAttrName] = 'material.' + prop;
+}
+
+module.exports = function getMeshMixin () {
+ return {
+ defaultComponents: {material: {}},
+ mappings: utils.extend({}, materialMappings)
+ };
+};
+
+},{"../../core/component":125,"../../core/shader":134,"../../utils/":195}],139:[function(_dereq_,module,exports){
+_dereq_('./primitives/a-camera');
+_dereq_('./primitives/a-collada-model');
+_dereq_('./primitives/a-cursor');
+_dereq_('./primitives/a-curvedimage');
+_dereq_('./primitives/a-gltf-model');
+_dereq_('./primitives/a-image');
+_dereq_('./primitives/a-light');
+_dereq_('./primitives/a-link');
+_dereq_('./primitives/a-obj-model');
+_dereq_('./primitives/a-sky');
+_dereq_('./primitives/a-sound');
+_dereq_('./primitives/a-text');
+_dereq_('./primitives/a-video');
+_dereq_('./primitives/a-videosphere');
+_dereq_('./primitives/meshPrimitives');
+
+},{"./primitives/a-camera":141,"./primitives/a-collada-model":142,"./primitives/a-cursor":143,"./primitives/a-curvedimage":144,"./primitives/a-gltf-model":145,"./primitives/a-image":146,"./primitives/a-light":147,"./primitives/a-link":148,"./primitives/a-obj-model":149,"./primitives/a-sky":150,"./primitives/a-sound":151,"./primitives/a-text":152,"./primitives/a-video":153,"./primitives/a-videosphere":154,"./primitives/meshPrimitives":155}],140:[function(_dereq_,module,exports){
+var AEntity = _dereq_('../../core/a-entity');
+var components = _dereq_('../../core/component').components;
+var registerElement = _dereq_('../../core/a-register-element').registerElement;
+var utils = _dereq_('../../utils/');
+
+var debug = utils.debug;
+var setComponentProperty = utils.entity.setComponentProperty;
+var log = debug('extras:primitives:debug');
+var warn = debug('extras:primitives:warn');
+
+var primitives = module.exports.primitives = {};
+
+module.exports.registerPrimitive = function registerPrimitive (name, definition) {
+ name = name.toLowerCase();
+ log('Registering <%s>', name);
+
+ // Deprecation warning for defaultAttributes usage.
+ if (definition.defaultAttributes) {
+ warn("The 'defaultAttributes' object is deprecated. Use 'defaultComponents' instead.");
+ }
+
+ var primitive = registerElement(name, {
+ prototype: Object.create(AEntity.prototype, {
+ defaultComponentsFromPrimitive: {
+ value: definition.defaultComponents || definition.defaultAttributes || {}
+ },
+ deprecated: {value: definition.deprecated || null},
+ deprecatedMappings: {value: definition.deprecatedMappings || {}},
+ mappings: {value: definition.mappings || {}},
+
+ createdCallback: {
+ value: function () {
+ if (definition.deprecated) { console.warn(definition.deprecated); }
+ this.resolveMappingCollisions();
+ }
+ },
+
+ /**
+ * If a mapping collides with a registered component name
+ * it renames the mapping to componentname-property
+ */
+ resolveMappingCollisions: {
+ value: function () {
+ var mappings = this.mappings;
+ var self = this;
+ Object.keys(mappings).forEach(function resolveCollision (key) {
+ var newAttribute;
+ if (key !== key.toLowerCase()) { warn('Mapping keys should be specified in lower case. The mapping key ' + key + ' may not be recognized'); }
+ if (components[key]) {
+ newAttribute = mappings[key].replace('.', '-');
+ mappings[newAttribute] = mappings[key];
+ delete mappings[key];
+ console.warn('The primitive ' + self.tagName.toLowerCase() + ' has a mapping collision. ' +
+ 'The attribute ' + key + ' has the same name as a registered component and' +
+ ' has been renamed to ' + newAttribute);
+ }
+ });
+ }
+ },
+
+ getExtraComponents: {
+ value: function () {
+ var attr;
+ var data;
+ var i;
+ var mapping;
+ var mixins;
+ var path;
+ var self = this;
+
+ // Gather component data from default components.
+ data = utils.clone(this.defaultComponentsFromPrimitive);
+
+ // Factor in mixins to overwrite default components.
+ mixins = this.getAttribute('mixin');
+ if (mixins) {
+ mixins = mixins.trim().split(' ');
+ mixins.forEach(function applyMixin (mixinId) {
+ var mixinComponents = self.sceneEl.querySelector('#' + mixinId).componentCache;
+ Object.keys(mixinComponents).forEach(function setComponent (name) {
+ data[name] = extend(data[name], mixinComponents[name]);
+ });
+ });
+ }
+
+ // Gather component data from mappings.
+ for (i = 0; i < this.attributes.length; i++) {
+ attr = this.attributes[i];
+ mapping = this.mappings[attr.name];
+ if (mapping) {
+ path = utils.entity.getComponentPropertyPath(mapping);
+ if (path.constructor === Array) {
+ data[path[0]] = data[path[0]] || {};
+ data[path[0]][path[1]] = attr.value.trim();
+ } else {
+ data[path] = attr.value.trim();
+ }
+ continue;
+ }
+ }
+
+ return data;
+
+ /**
+ * For the base to be extensible, both objects must be pure JavaScript objects.
+ * The function assumes that base is undefined, or null or a pure object.
+ */
+ function extend (base, extension) {
+ if (isUndefined(base)) {
+ return copy(extension);
+ }
+ if (isUndefined(extension)) {
+ return copy(base);
+ }
+ if (isPureObject(base) && isPureObject(extension)) {
+ return utils.extendDeep(base, extension);
+ }
+ return copy(extension);
+ }
+
+ function isUndefined (value) {
+ return typeof value === 'undefined';
+ }
+
+ function copy (value) {
+ if (isPureObject(value)) {
+ return utils.extendDeep({}, value);
+ }
+ return value;
+ }
+
+ function isPureObject (value) {
+ return value !== null && value.constructor === Object;
+ }
+ }
+ },
+
+ /**
+ * Sync to attribute to component property whenever mapped attribute changes.
+ * If attribute is mapped to a component property, set the component property using
+ * the attribute value.
+ */
+ attributeChangedCallback: {
+ value: function (attr, oldVal, value) {
+ var componentName = this.mappings[attr];
+
+ if (attr in this.deprecatedMappings) {
+ console.warn(this.deprecatedMappings[attr]);
+ }
+
+ if (!attr || !componentName) { return; }
+
+ // Set value.
+ setComponentProperty(this, componentName, value);
+ }
+ }
+ })
+ });
+
+ // Store.
+ primitives[name] = primitive;
+ return primitive;
+};
+
+/**
+ * Add component mappings using schema.
+ */
+function addComponentMapping (componentName, mappings) {
+ var schema = components[componentName].schema;
+ Object.keys(schema).map(function (prop) {
+ // Hyphenate where there is camelCase.
+ var attrName = prop.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();
+ // If there is a mapping collision, prefix with component name and hyphen.
+ if (mappings[attrName] !== undefined) { attrName = componentName + '-' + prop; }
+ mappings[attrName] = componentName + '.' + prop;
+ });
+}
+
+/**
+ * Helper to define a primitive, building mappings using a component schema.
+ */
+function definePrimitive (tagName, defaultComponents, mappings) {
+ // If no initial mappings provided, start from empty map.
+ mappings = mappings || {};
+
+ // From the default components, add mapping automagically.
+ Object.keys(defaultComponents).map(function buildMappings (componentName) {
+ addComponentMapping(componentName, mappings);
+ });
+
+ // Register the primitive.
+ module.exports.registerPrimitive(tagName, utils.extendDeep({}, null, {
+ defaultComponents: defaultComponents,
+ mappings: mappings
+ }));
+}
+module.exports.definePrimitive = definePrimitive;
+
+},{"../../core/a-entity":121,"../../core/a-register-element":124,"../../core/component":125,"../../utils/":195}],141:[function(_dereq_,module,exports){
+var DEFAULT_CAMERA_HEIGHT = _dereq_('../../../constants/').DEFAULT_CAMERA_HEIGHT;
+var registerPrimitive = _dereq_('../primitives').registerPrimitive;
+
+registerPrimitive('a-camera', {
+ defaultComponents: {
+ 'camera': {},
+ 'look-controls': {
+ userHeight: DEFAULT_CAMERA_HEIGHT
+ },
+ 'wasd-controls': {}
+ },
+
+ mappings: {
+ active: 'camera.active',
+ far: 'camera.far',
+ fov: 'camera.fov',
+ 'look-controls-enabled': 'look-controls.enabled',
+ near: 'camera.near',
+ 'wasd-controls-enabled': 'wasd-controls.enabled',
+ 'reverse-mouse-drag': 'look-controls.reverseMouseDrag',
+ 'user-height': 'look-controls.userHeight',
+ zoom: 'camera.zoom'
+ }
+});
+
+},{"../../../constants/":116,"../primitives":140}],142:[function(_dereq_,module,exports){
+var registerPrimitive = _dereq_('../primitives').registerPrimitive;
+
+registerPrimitive('a-collada-model', {
+ mappings: {
+ src: 'collada-model'
+ }
+});
+
+},{"../primitives":140}],143:[function(_dereq_,module,exports){
+var getMeshMixin = _dereq_('../getMeshMixin');
+var registerPrimitive = _dereq_('../primitives').registerPrimitive;
+var utils = _dereq_('../../../utils/');
+
+registerPrimitive('a-cursor', utils.extendDeep({}, getMeshMixin(), {
+ defaultComponents: {
+ cursor: {},
+ geometry: {
+ primitive: 'ring',
+ radiusOuter: 0.016,
+ radiusInner: 0.01,
+ segmentsTheta: 32
+ },
+ material: {
+ color: '#000',
+ shader: 'flat',
+ opacity: 0.8
+ },
+ position: {
+ x: 0,
+ y: 0,
+ z: -1
+ }
+ },
+
+ mappings: {
+ far: 'raycaster.far',
+ fuse: 'cursor.fuse',
+ 'fuse-timeout': 'cursor.fuseTimeout',
+ interval: 'raycaster.interval',
+ objects: 'raycaster.objects'
+ }
+}));
+
+},{"../../../utils/":195,"../getMeshMixin":138,"../primitives":140}],144:[function(_dereq_,module,exports){
+var getMeshMixin = _dereq_('../getMeshMixin');
+var registerPrimitive = _dereq_('../primitives').registerPrimitive;
+var utils = _dereq_('../../../utils/');
+
+registerPrimitive('a-curvedimage', utils.extendDeep({}, getMeshMixin(), {
+ defaultComponents: {
+ geometry: {
+ height: 1,
+ primitive: 'cylinder',
+ radius: 2,
+ segmentsRadial: 48,
+ thetaLength: 270,
+ openEnded: true,
+ thetaStart: 0
+ },
+ material: {
+ color: '#FFF',
+ shader: 'flat',
+ side: 'double',
+ transparent: true,
+ repeat: '-1 1'
+ }
+ },
+
+ mappings: {
+ height: 'geometry.height',
+ 'open-ended': 'geometry.openEnded',
+ radius: 'geometry.radius',
+ segments: 'geometry.segmentsRadial',
+ start: 'geometry.thetaStart',
+ 'theta-length': 'geometry.thetaLength',
+ 'theta-start': 'geometry.thetaStart',
+ 'width': 'geometry.thetaLength'
+ }
+}));
+
+},{"../../../utils/":195,"../getMeshMixin":138,"../primitives":140}],145:[function(_dereq_,module,exports){
+var registerPrimitive = _dereq_('../primitives').registerPrimitive;
+
+registerPrimitive('a-gltf-model', {
+ mappings: {
+ src: 'gltf-model'
+ }
+});
+
+},{"../primitives":140}],146:[function(_dereq_,module,exports){
+var getMeshMixin = _dereq_('../getMeshMixin');
+var registerPrimitive = _dereq_('../primitives').registerPrimitive;
+var utils = _dereq_('../../../utils/');
+
+registerPrimitive('a-image', utils.extendDeep({}, getMeshMixin(), {
+ defaultComponents: {
+ geometry: {
+ primitive: 'plane'
+ },
+ material: {
+ color: '#FFF',
+ shader: 'flat',
+ side: 'double',
+ transparent: true
+ }
+ },
+
+ mappings: {
+ height: 'geometry.height',
+ width: 'geometry.width'
+ }
+}));
+
+},{"../../../utils/":195,"../getMeshMixin":138,"../primitives":140}],147:[function(_dereq_,module,exports){
+var registerPrimitive = _dereq_('../primitives').registerPrimitive;
+
+registerPrimitive('a-light', {
+ defaultComponents: {
+ light: {}
+ },
+
+ mappings: {
+ angle: 'light.angle',
+ color: 'light.color',
+ 'ground-color': 'light.groundColor',
+ decay: 'light.decay',
+ distance: 'light.distance',
+ intensity: 'light.intensity',
+ penumbra: 'light.penumbra',
+ type: 'light.type',
+ target: 'light.target'
+ }
+});
+
+},{"../primitives":140}],148:[function(_dereq_,module,exports){
+var registerPrimitive = _dereq_('../primitives').registerPrimitive;
+
+registerPrimitive('a-link', {
+ defaultComponents: {},
+
+ mappings: {
+ href: 'link.href',
+ image: 'link.image',
+ title: 'link.title'
+ }
+});
+
+},{"../primitives":140}],149:[function(_dereq_,module,exports){
+var meshMixin = _dereq_('../getMeshMixin')();
+var registerPrimitive = _dereq_('../primitives').registerPrimitive;
+var utils = _dereq_('../../../utils/');
+
+registerPrimitive('a-obj-model', utils.extendDeep({}, meshMixin, {
+ defaultComponents: {
+ 'obj-model': {}
+ },
+
+ mappings: {
+ src: 'obj-model.obj',
+ mtl: 'obj-model.mtl'
+ }
+}));
+
+},{"../../../utils/":195,"../getMeshMixin":138,"../primitives":140}],150:[function(_dereq_,module,exports){
+var getMeshMixin = _dereq_('../getMeshMixin');
+var registerPrimitive = _dereq_('../primitives').registerPrimitive;
+var utils = _dereq_('../../../utils/');
+var meshPrimitives = _dereq_('./meshPrimitives');
+
+registerPrimitive('a-sky', utils.extendDeep({}, getMeshMixin(), {
+ defaultComponents: {
+ geometry: {
+ primitive: 'sphere',
+ radius: 5000,
+ segmentsWidth: 64,
+ segmentsHeight: 32
+ },
+ material: {
+ color: '#FFF',
+ shader: 'flat',
+ npot: true
+ },
+ scale: '-1 1 1'
+ },
+
+ mappings: utils.extendDeep({}, meshPrimitives['a-sphere'].prototype.mappings)
+}));
+
+},{"../../../utils/":195,"../getMeshMixin":138,"../primitives":140,"./meshPrimitives":155}],151:[function(_dereq_,module,exports){
+var registerPrimitive = _dereq_('../primitives').registerPrimitive;
+
+registerPrimitive('a-sound', {
+ defaultComponents: {
+ sound: {}
+ },
+
+ mappings: {
+ src: 'sound.src',
+ on: 'sound.on',
+ autoplay: 'sound.autoplay',
+ loop: 'sound.loop',
+ volume: 'sound.volume'
+ }
+});
+
+},{"../primitives":140}],152:[function(_dereq_,module,exports){
+// <a-text> using `definePrimitive` helper.
+var definePrimitive = _dereq_('../primitives').definePrimitive;
+definePrimitive('a-text', {text: {anchor: 'align', width: 5}});
+
+},{"../primitives":140}],153:[function(_dereq_,module,exports){
+var getMeshMixin = _dereq_('../getMeshMixin');
+var registerPrimitive = _dereq_('../primitives').registerPrimitive;
+var utils = _dereq_('../../../utils/');
+
+registerPrimitive('a-video', utils.extendDeep({}, getMeshMixin(), {
+ defaultComponents: {
+ geometry: {
+ primitive: 'plane'
+ },
+ material: {
+ color: '#FFF',
+ shader: 'flat',
+ side: 'double',
+ transparent: true
+ }
+ },
+
+ mappings: {
+ height: 'geometry.height',
+ width: 'geometry.width'
+ }
+}));
+
+},{"../../../utils/":195,"../getMeshMixin":138,"../primitives":140}],154:[function(_dereq_,module,exports){
+var getMeshMixin = _dereq_('../getMeshMixin');
+var registerPrimitive = _dereq_('../primitives').registerPrimitive;
+var utils = _dereq_('../../../utils/');
+
+registerPrimitive('a-videosphere', utils.extendDeep({}, getMeshMixin(), {
+ defaultComponents: {
+ geometry: {
+ primitive: 'sphere',
+ radius: 5000,
+ segmentsWidth: 64,
+ segmentsHeight: 32
+ },
+ material: {
+ color: '#FFF',
+ shader: 'flat',
+ npot: true
+ },
+ scale: '-1 1 1'
+ },
+
+ mappings: {
+ radius: 'geometry.radius',
+ 'segments-height': 'geometry.segmentsHeight',
+ 'segments-width': 'geometry.segmentsWidth'
+ }
+}));
+
+},{"../../../utils/":195,"../getMeshMixin":138,"../primitives":140}],155:[function(_dereq_,module,exports){
+/**
+ * Automated mesh primitive registration.
+ */
+var getMeshMixin = _dereq_('../getMeshMixin');
+var geometries = _dereq_('../../../core/geometry').geometries;
+var geometryNames = _dereq_('../../../core/geometry').geometryNames;
+var registerPrimitive = _dereq_('../primitives').registerPrimitive;
+var utils = _dereq_('../../../utils/');
+
+// For testing.
+var meshPrimitives = module.exports = {};
+
+// Generate primitive for each geometry type.
+geometryNames.forEach(function registerMeshPrimitive (geometryName) {
+ var geometry = geometries[geometryName];
+ var geometryHyphened = unCamelCase(geometryName);
+
+ // Generate mappings.
+ var mappings = {};
+ Object.keys(geometry.schema).forEach(function createMapping (property) {
+ mappings[unCamelCase(property)] = 'geometry.' + property;
+ });
+
+ // Register.
+ var tagName = 'a-' + geometryHyphened;
+ var primitive = registerPrimitive(tagName, utils.extendDeep({}, getMeshMixin(), {
+ defaultComponents: {geometry: {primitive: geometryName}},
+ mappings: mappings
+ }));
+ meshPrimitives[tagName] = primitive;
+});
+
+/**
+ * camelCase to hyphened-string.
+ */
+function unCamelCase (str) {
+ return str.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();
+}
+
+},{"../../../core/geometry":126,"../../../utils/":195,"../getMeshMixin":138,"../primitives":140}],156:[function(_dereq_,module,exports){
+var registerGeometry = _dereq_('../core/geometry').registerGeometry;
+var THREE = _dereq_('../lib/three');
+
+registerGeometry('box', {
+ schema: {
+ depth: {default: 1, min: 0},
+ height: {default: 1, min: 0},
+ width: {default: 1, min: 0},
+ segmentsHeight: {default: 1, min: 1, max: 20, type: 'int'},
+ segmentsWidth: {default: 1, min: 1, max: 20, type: 'int'},
+ segmentsDepth: {default: 1, min: 1, max: 20, type: 'int'}
+ },
+
+ init: function (data) {
+ this.geometry = new THREE.BoxGeometry(
+ data.width, data.height, data.depth,
+ data.segmentsWidth, data.segmentsHeight, data.segmentsDepth);
+ }
+});
+
+},{"../core/geometry":126,"../lib/three":173}],157:[function(_dereq_,module,exports){
+var registerGeometry = _dereq_('../core/geometry').registerGeometry;
+var THREE = _dereq_('../lib/three');
+
+var degToRad = THREE.Math.degToRad;
+
+registerGeometry('circle', {
+ schema: {
+ radius: {default: 1, min: 0},
+ segments: {default: 32, min: 3, type: 'int'},
+ thetaLength: {default: 360, min: 0},
+ thetaStart: {default: 0}
+ },
+
+ init: function (data) {
+ this.geometry = new THREE.CircleGeometry(
+ data.radius, data.segments, degToRad(data.thetaStart), degToRad(data.thetaLength));
+ }
+});
+
+},{"../core/geometry":126,"../lib/three":173}],158:[function(_dereq_,module,exports){
+var registerGeometry = _dereq_('../core/geometry').registerGeometry;
+var THREE = _dereq_('../lib/three');
+
+var degToRad = THREE.Math.degToRad;
+
+registerGeometry('cone', {
+ schema: {
+ height: {default: 1, min: 0},
+ openEnded: {default: false},
+ radiusBottom: {default: 1, min: 0},
+ radiusTop: {default: 0.01, min: 0},
+ segmentsHeight: {default: 18, min: 1, type: 'int'},
+ segmentsRadial: {default: 36, min: 3, type: 'int'},
+ thetaLength: {default: 360, min: 0},
+ thetaStart: {default: 0}
+ },
+
+ init: function (data) {
+ this.geometry = new THREE.CylinderGeometry(
+ data.radiusTop, data.radiusBottom, data.height, data.segmentsRadial,
+ data.segmentsHeight, data.openEnded, degToRad(data.thetaStart),
+ degToRad(data.thetaLength));
+ }
+});
+
+},{"../core/geometry":126,"../lib/three":173}],159:[function(_dereq_,module,exports){
+var registerGeometry = _dereq_('../core/geometry').registerGeometry;
+var THREE = _dereq_('../lib/three');
+
+var degToRad = THREE.Math.degToRad;
+
+registerGeometry('cylinder', {
+ schema: {
+ height: {default: 1, min: 0},
+ openEnded: {default: false},
+ radius: {default: 1, min: 0},
+ segmentsHeight: {default: 18, min: 1, type: 'int'},
+ segmentsRadial: {default: 36, min: 3, type: 'int'},
+ thetaLength: {default: 360, min: 0},
+ thetaStart: {default: 0}
+ },
+
+ init: function (data) {
+ this.geometry = new THREE.CylinderGeometry(
+ data.radius, data.radius, data.height, data.segmentsRadial, data.segmentsHeight,
+ data.openEnded, degToRad(data.thetaStart), degToRad(data.thetaLength));
+ }
+});
+
+},{"../core/geometry":126,"../lib/three":173}],160:[function(_dereq_,module,exports){
+var registerGeometry = _dereq_('../core/geometry').registerGeometry;
+var THREE = _dereq_('../lib/three');
+
+registerGeometry('dodecahedron', {
+ schema: {
+ detail: {default: 0, min: 0, max: 5, type: 'int'},
+ radius: {default: 1, min: 0}
+ },
+
+ init: function (data) {
+ this.geometry = new THREE.DodecahedronGeometry(data.radius, data.detail);
+ }
+});
+
+},{"../core/geometry":126,"../lib/three":173}],161:[function(_dereq_,module,exports){
+var registerGeometry = _dereq_('../core/geometry').registerGeometry;
+var THREE = _dereq_('../lib/three');
+
+registerGeometry('icosahedron', {
+ schema: {
+ detail: {default: 0, min: 0, max: 5, type: 'int'},
+ radius: {default: 1, min: 0}
+ },
+
+ init: function (data) {
+ this.geometry = new THREE.IcosahedronGeometry(data.radius, data.detail);
+ }
+});
+
+},{"../core/geometry":126,"../lib/three":173}],162:[function(_dereq_,module,exports){
+_dereq_('./box.js');
+_dereq_('./circle.js');
+_dereq_('./cone.js');
+_dereq_('./cylinder.js');
+_dereq_('./dodecahedron.js');
+_dereq_('./icosahedron.js');
+_dereq_('./octahedron.js');
+_dereq_('./plane.js');
+_dereq_('./ring.js');
+_dereq_('./sphere.js');
+_dereq_('./tetrahedron.js');
+_dereq_('./torus.js');
+_dereq_('./torusKnot.js');
+_dereq_('./triangle.js');
+
+},{"./box.js":156,"./circle.js":157,"./cone.js":158,"./cylinder.js":159,"./dodecahedron.js":160,"./icosahedron.js":161,"./octahedron.js":163,"./plane.js":164,"./ring.js":165,"./sphere.js":166,"./tetrahedron.js":167,"./torus.js":168,"./torusKnot.js":169,"./triangle.js":170}],163:[function(_dereq_,module,exports){
+var registerGeometry = _dereq_('../core/geometry').registerGeometry;
+var THREE = _dereq_('../lib/three');
+
+registerGeometry('octahedron', {
+ schema: {
+ detail: {default: 0, min: 0, max: 5, type: 'int'},
+ radius: {default: 1, min: 0}
+ },
+
+ init: function (data) {
+ this.geometry = new THREE.OctahedronGeometry(data.radius, data.detail);
+ }
+});
+
+},{"../core/geometry":126,"../lib/three":173}],164:[function(_dereq_,module,exports){
+var registerGeometry = _dereq_('../core/geometry').registerGeometry;
+var THREE = _dereq_('../lib/three');
+
+registerGeometry('plane', {
+ schema: {
+ height: {default: 1, min: 0},
+ width: {default: 1, min: 0},
+ segmentsHeight: {default: 1, min: 1, max: 20, type: 'int'},
+ segmentsWidth: {default: 1, min: 1, max: 20, type: 'int'}
+ },
+
+ init: function (data) {
+ this.geometry = new THREE.PlaneGeometry(data.width, data.height, data.segmentsWidth, data.segmentsHeight);
+ }
+});
+
+},{"../core/geometry":126,"../lib/three":173}],165:[function(_dereq_,module,exports){
+var registerGeometry = _dereq_('../core/geometry').registerGeometry;
+var THREE = _dereq_('../lib/three');
+
+var degToRad = THREE.Math.degToRad;
+
+registerGeometry('ring', {
+ schema: {
+ radiusInner: {default: 0.8, min: 0},
+ radiusOuter: {default: 1.2, min: 0},
+ segmentsPhi: {default: 10, min: 1, type: 'int'},
+ segmentsTheta: {default: 32, min: 3, type: 'int'},
+ thetaLength: {default: 360, min: 0},
+ thetaStart: {default: 0}
+ },
+
+ init: function (data) {
+ this.geometry = new THREE.RingGeometry(
+ data.radiusInner, data.radiusOuter, data.segmentsTheta, data.segmentsPhi,
+ degToRad(data.thetaStart), degToRad(data.thetaLength));
+ }
+});
+
+},{"../core/geometry":126,"../lib/three":173}],166:[function(_dereq_,module,exports){
+var registerGeometry = _dereq_('../core/geometry').registerGeometry;
+var THREE = _dereq_('../lib/three');
+
+var degToRad = THREE.Math.degToRad;
+
+registerGeometry('sphere', {
+ schema: {
+ radius: {default: 1, min: 0},
+ phiLength: {default: 360},
+ phiStart: {default: 0, min: 0},
+ thetaLength: {default: 180, min: 0},
+ thetaStart: {default: 0},
+ segmentsHeight: {default: 18, min: 2, type: 'int'},
+ segmentsWidth: {default: 36, min: 3, type: 'int'}
+ },
+
+ init: function (data) {
+ this.geometry = new THREE.SphereGeometry(
+ data.radius, data.segmentsWidth, data.segmentsHeight, degToRad(data.phiStart),
+ degToRad(data.phiLength), degToRad(data.thetaStart), degToRad(data.thetaLength));
+ }
+});
+
+},{"../core/geometry":126,"../lib/three":173}],167:[function(_dereq_,module,exports){
+var registerGeometry = _dereq_('../core/geometry').registerGeometry;
+var THREE = _dereq_('../lib/three');
+
+registerGeometry('tetrahedron', {
+ schema: {
+ detail: {default: 0, min: 0, max: 5, type: 'int'},
+ radius: {default: 1, min: 0}
+ },
+
+ init: function (data) {
+ this.geometry = new THREE.TetrahedronGeometry(data.radius, data.detail);
+ }
+});
+
+},{"../core/geometry":126,"../lib/three":173}],168:[function(_dereq_,module,exports){
+var registerGeometry = _dereq_('../core/geometry').registerGeometry;
+var THREE = _dereq_('../lib/three');
+
+var degToRad = THREE.Math.degToRad;
+
+registerGeometry('torus', {
+ schema: {
+ arc: {default: 360},
+ radius: {default: 1, min: 0},
+ radiusTubular: {default: 0.2, min: 0},
+ segmentsRadial: {default: 36, min: 2, type: 'int'},
+ segmentsTubular: {default: 32, min: 3, type: 'int'}
+ },
+
+ init: function (data) {
+ this.geometry = new THREE.TorusGeometry(
+ data.radius, data.radiusTubular * 2, data.segmentsRadial, data.segmentsTubular,
+ degToRad(data.arc));
+ }
+});
+
+},{"../core/geometry":126,"../lib/three":173}],169:[function(_dereq_,module,exports){
+var registerGeometry = _dereq_('../core/geometry').registerGeometry;
+var THREE = _dereq_('../lib/three');
+
+registerGeometry('torusKnot', {
+ schema: {
+ p: {default: 2, min: 1},
+ q: {default: 3, min: 1},
+ radius: {default: 1, min: 0},
+ radiusTubular: {default: 0.2, min: 0},
+ segmentsRadial: {default: 8, min: 3, type: 'int'},
+ segmentsTubular: {default: 100, min: 3, type: 'int'}
+ },
+
+ init: function (data) {
+ this.geometry = new THREE.TorusKnotGeometry(
+ data.radius, data.radiusTubular * 2, data.segmentsTubular, data.segmentsRadial,
+ data.p, data.q);
+ }
+});
+
+},{"../core/geometry":126,"../lib/three":173}],170:[function(_dereq_,module,exports){
+var registerGeometry = _dereq_('../core/geometry').registerGeometry;
+var THREE = _dereq_('../lib/three');
+
+var quaternion = new THREE.Quaternion();
+var rotateVector = new THREE.Vector3(0, 0, 1);
+var uvMinVector = new THREE.Vector2();
+var uvMaxVector = new THREE.Vector2();
+var uvScaleVector = new THREE.Vector2();
+
+registerGeometry('triangle', {
+ schema: {
+ vertexA: {type: 'vec3', default: {x: 0, y: 0.5, z: 0}},
+ vertexB: {type: 'vec3', default: {x: -0.5, y: -0.5, z: 0}},
+ vertexC: {type: 'vec3', default: {x: 0.5, y: -0.5, z: 0}}
+ },
+
+ init: function (data) {
+ var geometry;
+ var normal;
+ var triangle;
+ var uvA;
+ var uvB;
+ var uvC;
+
+ triangle = new THREE.Triangle();
+ triangle.a.set(data.vertexA.x, data.vertexA.y, data.vertexA.z);
+ triangle.b.set(data.vertexB.x, data.vertexB.y, data.vertexB.z);
+ triangle.c.set(data.vertexC.x, data.vertexC.y, data.vertexC.z);
+ normal = triangle.normal();
+
+ // Rotate the 3D triangle to be parallel to XY plane.
+ quaternion.setFromUnitVectors(normal, rotateVector);
+ uvA = triangle.a.clone().applyQuaternion(quaternion);
+ uvB = triangle.b.clone().applyQuaternion(quaternion);
+ uvC = triangle.c.clone().applyQuaternion(quaternion);
+
+ // Compute UVs.
+ // Normalize x/y values of UV so they are within 0 to 1.
+ uvMinVector.set(Math.min(uvA.x, uvB.x, uvC.x), Math.min(uvA.y, uvB.y, uvC.y));
+ uvMaxVector.set(Math.max(uvA.x, uvB.x, uvC.x), Math.max(uvA.y, uvB.y, uvC.y));
+ uvScaleVector.set(0, 0).subVectors(uvMaxVector, uvMinVector);
+ uvA = new THREE.Vector2().subVectors(uvA, uvMinVector).divide(uvScaleVector);
+ uvB = new THREE.Vector2().subVectors(uvB, uvMinVector).divide(uvScaleVector);
+ uvC = new THREE.Vector2().subVectors(uvC, uvMinVector).divide(uvScaleVector);
+
+ geometry = this.geometry = new THREE.Geometry();
+ geometry.vertices.push(triangle.a);
+ geometry.vertices.push(triangle.b);
+ geometry.vertices.push(triangle.c);
+ geometry.faces.push(new THREE.Face3(0, 1, 2, normal));
+ geometry.faceVertexUvs[0] = [[uvA, uvB, uvC]];
+ }
+});
+
+},{"../core/geometry":126,"../lib/three":173}],171:[function(_dereq_,module,exports){
+// Check before the polyfill runs.
+window.hasNativeWebVRImplementation = !!window.navigator.getVRDisplays || !!window.navigator.getVRDevices;
+
+window.WebVRConfig = window.WebVRConfig || {
+ BUFFER_SCALE: 1,
+ CARDBOARD_UI_DISABLED: true,
+ ROTATE_INSTRUCTIONS_DISABLED: true,
+ TOUCH_PANNER_DISABLED: true,
+ MOUSE_KEYBOARD_CONTROLS_DISABLED: true
+};
+
+// WebVR polyfill
+_dereq_('webvr-polyfill');
+
+var utils = _dereq_('./utils/');
+
+var debug = utils.debug;
+var error = debug('A-Frame:error');
+var warn = debug('A-Frame:warn');
+
+if (window.document.currentScript && window.document.currentScript.parentNode !==
+ window.document.head && !window.debug) {
+ warn('Put the A-Frame <script> tag in the <head> of the HTML *before* the scene to ' +
+ 'ensure everything for A-Frame is properly registered before they are used from ' +
+ 'HTML.');
+}
+
+// Error if not using a server.
+if (window.location.protocol === 'file:') {
+ error(
+ 'This HTML file is currently being served via the file:// protocol. ' +
+ 'Assets, textures, and models WILL NOT WORK due to cross-origin policy! ' +
+ 'Please use a local or hosted server: ' +
+ 'https://aframe.io/docs/0.5.0/introduction/getting-started.html#using-a-local-server.');
+}
+
+// Polyfill `Promise`.
+window.Promise = window.Promise || _dereq_('promise-polyfill');
+
+// Workaround for iOS Safari canvas sizing issues in stereo (webvr-polyfill/issues/102).
+// Only for iOS on versions older than 10.
+if (utils.device.isIOSOlderThan10(window.navigator.userAgent)) {
+ window.WebVRConfig.BUFFER_SCALE = 1 / window.devicePixelRatio;
+}
+
+_dereq_('present'); // Polyfill `performance.now()`.
+
+// CSS.
+if (utils.device.isBrowserEnvironment) {
+ _dereq_('./style/aframe.css');
+ _dereq_('./style/rStats.css');
+}
+
+// Required before `AEntity` so that all components are registered.
+var AScene = _dereq_('./core/scene/a-scene').AScene;
+var components = _dereq_('./core/component').components;
+var registerComponent = _dereq_('./core/component').registerComponent;
+var registerGeometry = _dereq_('./core/geometry').registerGeometry;
+var registerPrimitive = _dereq_('./extras/primitives/primitives').registerPrimitive;
+var registerShader = _dereq_('./core/shader').registerShader;
+var registerSystem = _dereq_('./core/system').registerSystem;
+var shaders = _dereq_('./core/shader').shaders;
+var systems = _dereq_('./core/system').systems;
+// Exports THREE to window so three.js can be used without alteration.
+var THREE = window.THREE = _dereq_('./lib/three');
+var TWEEN = window.TWEEN = _dereq_('@tweenjs/tween.js');
+
+var pkg = _dereq_('../package');
+
+_dereq_('./components/index'); // Register standard components.
+_dereq_('./geometries/index'); // Register standard geometries.
+_dereq_('./shaders/index'); // Register standard shaders.
+_dereq_('./systems/index'); // Register standard systems.
+var ANode = _dereq_('./core/a-node');
+var AEntity = _dereq_('./core/a-entity'); // Depends on ANode and core components.
+
+_dereq_('./core/a-animation');
+_dereq_('./core/a-assets');
+_dereq_('./core/a-cubemap');
+_dereq_('./core/a-mixin');
+
+// Extras.
+_dereq_('./extras/components/');
+_dereq_('./extras/primitives/');
+
+console.log('A-Frame Version: 0.7.0 (Date 2018-01-19, Commit #1fc978c6)');
+console.log('three Version:', pkg.dependencies['three']);
+console.log('WebVR Polyfill Version:', pkg.dependencies['webvr-polyfill']);
+
+module.exports = window.AFRAME = {
+ AComponent: _dereq_('./core/component').Component,
+ AEntity: AEntity,
+ ANode: ANode,
+ AScene: AScene,
+ components: components,
+ geometries: _dereq_('./core/geometry').geometries,
+ registerComponent: registerComponent,
+ registerElement: _dereq_('./core/a-register-element').registerElement,
+ registerGeometry: registerGeometry,
+ registerPrimitive: registerPrimitive,
+ registerShader: registerShader,
+ registerSystem: registerSystem,
+ primitives: {
+ getMeshMixin: _dereq_('./extras/primitives/getMeshMixin'),
+ primitives: _dereq_('./extras/primitives/primitives').primitives
+ },
+ scenes: _dereq_('./core/scene/scenes'),
+ schema: _dereq_('./core/schema'),
+ shaders: shaders,
+ systems: systems,
+ THREE: THREE,
+ TWEEN: TWEEN,
+ utils: utils,
+ version: pkg.version
+};
+
+},{"../package":75,"./components/index":84,"./core/a-animation":118,"./core/a-assets":119,"./core/a-cubemap":120,"./core/a-entity":121,"./core/a-mixin":122,"./core/a-node":123,"./core/a-register-element":124,"./core/component":125,"./core/geometry":126,"./core/scene/a-scene":128,"./core/scene/scenes":131,"./core/schema":133,"./core/shader":134,"./core/system":135,"./extras/components/":136,"./extras/primitives/":139,"./extras/primitives/getMeshMixin":138,"./extras/primitives/primitives":140,"./geometries/index":162,"./lib/three":173,"./shaders/index":175,"./style/aframe.css":180,"./style/rStats.css":181,"./systems/index":184,"./utils/":195,"@tweenjs/tween.js":1,"present":32,"promise-polyfill":33,"webvr-polyfill":60}],172:[function(_dereq_,module,exports){
+window.aframeStats = function (scene) {
+ var _rS = null;
+ var _scene = scene;
+ var _values = {
+ te: {
+ caption: 'Entities'
+ },
+ lt: {
+ caption: 'Load Time'
+ }
+ };
+ var _groups = [ {
+ caption: 'A-Frame',
+ values: [ 'te', 'lt' ]
+ } ];
+
+ function _update () {
+ _rS('te').set(getEntityCount());
+ if (window.performance.getEntriesByName) {
+ _rS('lt').set(window.performance.getEntriesByName('render-started')[0].startTime.toFixed(0));
+ }
+ }
+
+ function getEntityCount () {
+ var elements = _scene.querySelectorAll('*');
+ Array.prototype.slice.call(elements).filter(function (el) {
+ return el.isEntity;
+ });
+ return elements.length;
+ }
+
+ function _start () {}
+
+ function _end () {}
+
+ function _attach (r) {
+ _rS = r;
+ }
+
+ return {
+ update: _update,
+ start: _start,
+ end: _end,
+ attach: _attach,
+ values: _values,
+ groups: _groups,
+ fractions: []
+ };
+};
+
+if (typeof module === 'object') {
+ module.exports = {
+ aframeStats: window.aframeStats
+ };
+}
+
+},{}],173:[function(_dereq_,module,exports){
+(function (global){
+var THREE = global.THREE = _dereq_('three');
+
+// Allow cross-origin images to be loaded.
+
+// This should not be on `THREE.Loader` nor `THREE.ImageUtils`.
+// Must be on `THREE.TextureLoader`.
+if (THREE.TextureLoader) {
+ THREE.TextureLoader.prototype.crossOrigin = 'anonymous';
+}
+
+// This is for images loaded from the model loaders.
+if (THREE.ImageLoader) {
+ THREE.ImageLoader.prototype.crossOrigin = 'anonymous';
+}
+
+// In-memory caching for XHRs (for images, audio files, textures, etc.).
+if (THREE.Cache) {
+ THREE.Cache.enabled = true;
+}
+
+// TODO: Eventually include these only if they are needed by a component.
+_dereq_('three/examples/js/loaders/GLTFLoader'); // THREE.GLTFLoader
+_dereq_('three/examples/js/loaders/OBJLoader'); // THREE.OBJLoader
+_dereq_('three/examples/js/loaders/MTLLoader'); // THREE.MTLLoader
+_dereq_('three/examples/js/loaders/ColladaLoader'); // THREE.ColladaLoader
+
+THREE.ColladaLoader.prototype.crossOrigin = 'anonymous';
+THREE.GLTFLoader.prototype.crossOrigin = 'anonymous';
+THREE.MTLLoader.prototype.crossOrigin = 'anonymous';
+THREE.OBJLoader.prototype.crossOrigin = 'anonymous';
+
+module.exports = THREE;
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+
+},{"three":40,"three/examples/js/loaders/ColladaLoader":41,"three/examples/js/loaders/GLTFLoader":42,"three/examples/js/loaders/MTLLoader":43,"three/examples/js/loaders/OBJLoader":44}],174:[function(_dereq_,module,exports){
+var registerShader = _dereq_('../core/shader').registerShader;
+var THREE = _dereq_('../lib/three');
+var utils = _dereq_('../utils/');
+
+/**
+ * Flat shader using THREE.MeshBasicMaterial.
+ */
+module.exports.Shader = registerShader('flat', {
+ schema: {
+ color: {type: 'color'},
+ fog: {default: true},
+ height: {default: 256},
+ offset: {type: 'vec2', default: {x: 0, y: 0}},
+ repeat: {type: 'vec2', default: {x: 1, y: 1}},
+ src: {type: 'map'},
+ width: {default: 512},
+ wireframe: {default: false},
+ wireframeLinewidth: {default: 2}
+ },
+
+ /**
+ * Initializes the shader.
+ * Adds a reference from the scene to this entity as the camera.
+ */
+ init: function (data) {
+ this.textureSrc = null;
+ this.material = new THREE.MeshBasicMaterial(getMaterialData(data));
+ utils.material.updateMap(this, data);
+ },
+
+ update: function (data) {
+ this.updateMaterial(data);
+ utils.material.updateMap(this, data);
+ },
+
+ /**
+ * Updating existing material.
+ *
+ * @param {object} data - Material component data.
+ */
+ updateMaterial: function (data) {
+ var material = this.material;
+ data = getMaterialData(data);
+ Object.keys(data).forEach(function (key) {
+ material[key] = data[key];
+ });
+ }
+});
+
+/**
+ * Builds and normalize material data, normalizing stuff along the way.
+ *
+ * @param {object} data - Material data.
+ * @returns {object} data - Processed material data.
+ */
+function getMaterialData (data) {
+ return {
+ fog: data.fog,
+ color: new THREE.Color(data.color),
+ wireframe: data.wireframe,
+ wireframeLinewidth: data.wireframeLinewidth
+ };
+}
+
+},{"../core/shader":134,"../lib/three":173,"../utils/":195}],175:[function(_dereq_,module,exports){
+_dereq_('./flat');
+_dereq_('./standard');
+_dereq_('./sdf');
+_dereq_('./msdf');
+_dereq_('./ios10hls');
+
+},{"./flat":174,"./ios10hls":176,"./msdf":177,"./sdf":178,"./standard":179}],176:[function(_dereq_,module,exports){
+var registerShader = _dereq_('../core/shader').registerShader;
+
+/**
+ * Custom shader for iOS 10 HTTP Live Streaming (HLS).
+ * For more information on HLS, see https://datatracker.ietf.org/doc/draft-pantos-http-live-streaming/
+ */
+module.exports.Shader = registerShader('ios10hls', {
+ schema: {
+ src: {type: 'map', is: 'uniform'},
+ opacity: {type: 'number', is: 'uniform', default: 1}
+ },
+
+ vertexShader: [
+ 'varying vec2 vUV;',
+ 'void main(void) {',
+ ' gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);',
+ ' vUV = uv;',
+ '}'
+ ].join('\n'),
+
+ fragmentShader: [
+ 'uniform sampler2D src;',
+ 'uniform float opacity;',
+ 'varying vec2 vUV;',
+ 'void main() {',
+ ' vec2 offset = vec2(0, 0);',
+ ' vec2 repeat = vec2(1, 1);',
+ ' vec4 color = texture2D(src, vec2(vUV.x / repeat.x + offset.x, (1.0 - vUV.y) / repeat.y + offset.y)).bgra;',
+ ' gl_FragColor = vec4(color.rgb, opacity);',
+ '}'
+ ].join('\n')
+});
+
+
+},{"../core/shader":134}],177:[function(_dereq_,module,exports){
+var registerShader = _dereq_('../core/shader').registerShader;
+
+/**
+ * Multi-channel signed distance field.
+ * Used by text component.
+ */
+module.exports.Shader = registerShader('msdf', {
+ schema: {
+ alphaTest: {type: 'number', is: 'uniform', default: 0.5},
+ color: {type: 'color', is: 'uniform', default: 'white'},
+ map: {type: 'map', is: 'uniform'},
+ opacity: {type: 'number', is: 'uniform', default: 1.0}
+ },
+
+ raw: true,
+
+ vertexShader: [
+ 'attribute vec2 uv;',
+ 'attribute vec3 position;',
+ 'uniform mat4 projectionMatrix;',
+ 'uniform mat4 modelViewMatrix;',
+ 'varying vec2 vUV;',
+ 'void main(void) {',
+ ' gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);',
+ ' vUV = uv;',
+ '}'
+ ].join('\n'),
+
+ fragmentShader: [
+ '#ifdef GL_OES_standard_derivatives',
+ '#extension GL_OES_standard_derivatives: enable',
+ '#endif',
+
+ 'precision highp float;',
+ // FIXME: Experimentally determined constants.
+ '#define BIG_ENOUGH 0.001',
+ '#define MODIFIED_ALPHATEST (0.02 * isBigEnough / BIG_ENOUGH)',
+ '#define ALL_SMOOTH 0.4',
+ '#define ALL_ROUGH 0.02',
+ '#define DISCARD_ALPHA (alphaTest / (2.2 - 1.2 * ratio))',
+ 'uniform sampler2D map;',
+ 'uniform vec3 color;',
+ 'uniform float opacity;',
+ 'uniform float alphaTest;',
+ 'varying vec2 vUV;',
+
+ 'float median(float r, float g, float b) {',
+ ' return max(min(r, g), min(max(r, g), b));',
+ '}',
+ 'void main() {',
+ ' vec3 sample = 1.0 - texture2D(map, vUV).rgb;',
+ ' float sigDist = median(sample.r, sample.g, sample.b) - 0.5;',
+ ' float alpha = clamp(sigDist/fwidth(sigDist) + 0.5, 0.0, 1.0);',
+ ' float dscale = 0.353505;',
+ ' vec2 duv = dscale * (dFdx(vUV) + dFdy(vUV));',
+ ' float isBigEnough = max(abs(duv.x), abs(duv.y));',
+ // When texel is too small, blend raw alpha value rather than supersampling.
+ // FIXME: Experimentally determined constant.
+ ' if (isBigEnough > BIG_ENOUGH) {',
+ ' float ratio = BIG_ENOUGH / isBigEnough;',
+ ' alpha = ratio * alpha + (1.0 - ratio) * (sigDist + 0.5);',
+ ' }',
+ // When texel is big enough, do standard alpha test.
+ // FIXME: Experimentally determined constant.
+ // Looks much better if we *don't* do this, but do we get Z fighting?
+ ' if (isBigEnough <= BIG_ENOUGH && alpha < alphaTest) { discard; return; }',
+ // Else, do modified alpha test.
+ // FIXME: Experimentally determined constant.
+ ' if (alpha < alphaTest * MODIFIED_ALPHATEST) { discard; return; }',
+ ' gl_FragColor = vec4(color.xyz, alpha * opacity);',
+ '}'
+ ].join('\n')
+});
+
+},{"../core/shader":134}],178:[function(_dereq_,module,exports){
+var registerShader = _dereq_('../core/shader').registerShader;
+
+/**
+ * Signed distance field.
+ * Used by text component.
+ */
+module.exports.Shader = registerShader('sdf', {
+ schema: {
+ alphaTest: {type: 'number', is: 'uniform', default: 0.5},
+ color: {type: 'color', is: 'uniform', default: 'white'},
+ map: {type: 'map', is: 'uniform'},
+ opacity: {type: 'number', is: 'uniform', default: 1.0}
+ },
+
+ raw: true,
+
+ vertexShader: [
+ 'attribute vec2 uv;',
+ 'attribute vec3 position;',
+ 'uniform mat4 projectionMatrix;',
+ 'uniform mat4 modelViewMatrix;',
+ 'varying vec2 vUV;',
+ 'void main(void) {',
+ ' gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);',
+ ' vUV = uv;',
+ '}'
+ ].join('\n'),
+
+ fragmentShader: [
+ '#ifdef GL_OES_standard_derivatives',
+ '#extension GL_OES_standard_derivatives: enable',
+ '#endif',
+
+ 'precision highp float;',
+ // FIXME: experimentally determined constants
+ '#define BIG_ENOUGH 0.001',
+ '#define MODIFIED_ALPHATEST (0.02 * isBigEnough / BIG_ENOUGH)',
+ '#define ALL_SMOOTH 0.4',
+ '#define ALL_ROUGH 0.02',
+ '#define DISCARD_ALPHA (alphaTest / (2.2 - 1.2 * ratio))',
+ 'uniform sampler2D map;',
+ 'uniform vec3 color;',
+ 'uniform float opacity;',
+ 'uniform float alphaTest;',
+ 'varying vec2 vUV;',
+ '#ifdef GL_OES_standard_derivatives',
+ 'float contour(float width, float value) {',
+ ' return smoothstep(0.5 - value, 0.5 + value, width);',
+ '}',
+ '#else',
+ 'float aastep(float value, float afwidth) {',
+ ' return smoothstep(0.5 - afwidth, 0.5 + afwidth, value);',
+ '}',
+ '#endif',
+ 'void main() {',
+ '#ifdef GL_OES_standard_derivatives',
+ // when we have derivatives and can get texel size etc., that allows supersampling etc.
+ ' vec2 uv = vUV;',
+ ' vec4 texColor = texture2D(map, uv);',
+ ' float dist = texColor.a;',
+ ' float width = fwidth(dist);',
+ ' float alpha = contour(dist, width);',
+ ' float dscale = 0.353505;',
+ ' vec2 duv = dscale * (dFdx(uv) + dFdy(uv));',
+ ' float isBigEnough = max(abs(duv.x), abs(duv.y));',
+ // when texel is too small, blend raw alpha value rather than supersampling etc.
+ // FIXME: experimentally determined constant
+ ' if (isBigEnough > BIG_ENOUGH) {',
+ ' float ratio = BIG_ENOUGH / isBigEnough;',
+ ' alpha = ratio * alpha + (1.0 - ratio) * dist;',
+ ' }',
+ // otherwise do weighted supersampling
+ // FIXME: why this weighting?
+ ' else if (isBigEnough <= BIG_ENOUGH) {',
+ ' vec4 box = vec4 (uv - duv, uv + duv);',
+ ' alpha = (alpha + 0.5 * (',
+ ' contour(texture2D(map, box.xy).a, width)',
+ ' + contour(texture2D(map, box.zw).a, width)',
+ ' + contour(texture2D(map, box.xw).a, width)',
+ ' + contour(texture2D(map, box.zy).a, width)',
+ ' )) / 3.0;',
+ ' }',
+ // when texel is big enough, do standard alpha test
+ // FIXME: experimentally determined constant
+ // looks much better if we DON'T do this, but do we get Z fighting etc.?
+ ' if (isBigEnough <= BIG_ENOUGH && alpha < alphaTest) { discard; return; }',
+ // else do modified alpha test
+ // FIXME: experimentally determined constant
+ ' if (alpha < alphaTest * MODIFIED_ALPHATEST) { discard; return; }',
+ '#else',
+ ' vec4 texColor = texture2D(map, vUV);',
+ ' float value = texColor.a;',
+ // when we don't have derivatives, use approximations
+ // FIXME: if we understood font pixel dimensions, this could probably be improved
+ ' float afwidth = (1.0 / 32.0) * (1.4142135623730951 / (2.0 * gl_FragCoord.w));',
+ ' float alpha = aastep(value, afwidth);',
+ // use gl_FragCoord.w to guess when we should blend
+ // FIXME: if we understood font pixel dimensions, this could probably be improved
+ ' float ratio = (gl_FragCoord.w >= ALL_SMOOTH) ? 1.0 : (gl_FragCoord.w < ALL_ROUGH) ? 0.0 : (gl_FragCoord.w - ALL_ROUGH) / (ALL_SMOOTH - ALL_ROUGH);',
+ ' if (alpha < alphaTest) { if (ratio >= 1.0) { discard; return; } alpha = 0.0; }',
+ ' alpha = alpha * ratio + (1.0 - ratio) * value;',
+ ' if (ratio < 1.0)',
+ ' if (alpha <= DISCARD_ALPHA) { discard; return; }',
+ '#endif',
+ ' gl_FragColor = vec4(color, opacity * alpha);',
+ '}'
+ ].join('\n')
+});
+
+},{"../core/shader":134}],179:[function(_dereq_,module,exports){
+var registerShader = _dereq_('../core/shader').registerShader;
+var THREE = _dereq_('../lib/three');
+var utils = _dereq_('../utils/');
+
+var CubeLoader = new THREE.CubeTextureLoader();
+var texturePromises = {};
+
+/**
+ * Standard (physically-based) shader using THREE.MeshStandardMaterial.
+ */
+module.exports.Shader = registerShader('standard', {
+ schema: {
+ ambientOcclusionMap: {type: 'map'},
+ ambientOcclusionMapIntensity: {default: 1},
+ ambientOcclusionTextureOffset: {type: 'vec2'},
+ ambientOcclusionTextureRepeat: {type: 'vec2', default: {x: 1, y: 1}},
+
+ color: {type: 'color'},
+
+ displacementMap: {type: 'map'},
+ displacementScale: {default: 1},
+ displacementBias: {default: 0.5},
+ displacementTextureOffset: {type: 'vec2'},
+ displacementTextureRepeat: {type: 'vec2', default: {x: 1, y: 1}},
+ emissive: {type: 'color', default: '#000'},
+ emissiveIntensity: {default: 1},
+ envMap: {default: ''},
+
+ fog: {default: true},
+ height: {default: 256},
+ metalness: {default: 0.0, min: 0.0, max: 1.0},
+
+ normalMap: {type: 'map'},
+ normalScale: {type: 'vec2', default: {x: 1, y: 1}},
+ normalTextureOffset: {type: 'vec2'},
+ normalTextureRepeat: {type: 'vec2', default: {x: 1, y: 1}},
+
+ offset: {type: 'vec2', default: {x: 0, y: 0}},
+ repeat: {type: 'vec2', default: {x: 1, y: 1}},
+ roughness: {default: 0.5, min: 0.0, max: 1.0},
+ sphericalEnvMap: {type: 'map'},
+ src: {type: 'map'},
+ width: {default: 512},
+ wireframe: {default: false},
+ wireframeLinewidth: {default: 2}
+ },
+
+ /**
+ * Initializes the shader.
+ * Adds a reference from the scene to this entity as the camera.
+ */
+ init: function (data) {
+ this.material = new THREE.MeshStandardMaterial(getMaterialData(data));
+ utils.material.updateMap(this, data);
+ if (data.normalMap) { utils.material.updateDistortionMap('normal', this, data); }
+ if (data.displacementMap) { utils.material.updateDistortionMap('displacement', this, data); }
+ if (data.ambientOcclusionMap) { utils.material.updateDistortionMap('ambientOcclusion', this, data); }
+ this.updateEnvMap(data);
+ },
+
+ update: function (data) {
+ this.updateMaterial(data);
+ utils.material.updateMap(this, data);
+ if (data.normalMap) { utils.material.updateDistortionMap('normal', this, data); }
+ if (data.displacementMap) { utils.material.updateDistortionMap('displacement', this, data); }
+ if (data.ambientOcclusionMap) { utils.material.updateDistortionMap('ambientOcclusion', this, data); }
+ this.updateEnvMap(data);
+ },
+
+ /**
+ * Updating existing material.
+ *
+ * @param {object} data - Material component data.
+ * @returns {object} Material.
+ */
+ updateMaterial: function (data) {
+ var material = this.material;
+ data = getMaterialData(data);
+ Object.keys(data).forEach(function (key) {
+ material[key] = data[key];
+ });
+ },
+
+ /**
+ * Handle environment cubemap. Textures are cached in texturePromises.
+ */
+ updateEnvMap: function (data) {
+ var self = this;
+ var material = this.material;
+ var envMap = data.envMap;
+ var sphericalEnvMap = data.sphericalEnvMap;
+
+ // No envMap defined or already loading.
+ if ((!envMap && !sphericalEnvMap) || this.isLoadingEnvMap) {
+ material.envMap = null;
+ material.needsUpdate = true;
+ return;
+ }
+ this.isLoadingEnvMap = true;
+
+ // if a spherical env map is defined then use it.
+ if (sphericalEnvMap) {
+ this.el.sceneEl.systems.material.loadTexture(sphericalEnvMap, {src: sphericalEnvMap}, function textureLoaded (texture) {
+ self.isLoadingEnvMap = false;
+ texture.mapping = THREE.SphericalReflectionMapping;
+ material.envMap = texture;
+ utils.material.handleTextureEvents(self.el, texture);
+ material.needsUpdate = true;
+ });
+ return;
+ }
+
+ // Another material is already loading this texture. Wait on promise.
+ if (texturePromises[envMap]) {
+ texturePromises[envMap].then(function (cube) {
+ self.isLoadingEnvMap = false;
+ material.envMap = cube;
+ utils.material.handleTextureEvents(self.el, cube);
+ material.needsUpdate = true;
+ });
+ return;
+ }
+
+ // Material is first to load this texture. Load and resolve texture.
+ texturePromises[envMap] = new Promise(function (resolve) {
+ utils.srcLoader.validateCubemapSrc(envMap, function loadEnvMap (urls) {
+ CubeLoader.load(urls, function (cube) {
+ // Texture loaded.
+ self.isLoadingEnvMap = false;
+ material.envMap = cube;
+ utils.material.handleTextureEvents(self.el, cube);
+ resolve(cube);
+ });
+ });
+ });
+ }
+});
+
+/**
+ * Builds and normalize material data, normalizing stuff along the way.
+ *
+ * @param {object} data - Material data.
+ * @returns {object} data - Processed material data.
+ */
+function getMaterialData (data) {
+ var newData = {
+ color: new THREE.Color(data.color),
+ emissive: new THREE.Color(data.emissive),
+ emissiveIntensity: data.emissiveIntensity,
+ fog: data.fog,
+ metalness: data.metalness,
+ roughness: data.roughness,
+ wireframe: data.wireframe,
+ wireframeLinewidth: data.wireframeLinewidth
+ };
+
+ if (data.normalMap) { newData.normalScale = data.normalScale; }
+
+ if (data.ambientOcclusionMap) { newData.aoMapIntensity = data.ambientOcclusionMapIntensity; }
+
+ if (data.displacementMap) {
+ newData.displacementScale = data.displacementScale;
+ newData.displacementBias = data.displacementBias;
+ }
+
+ return newData;
+}
+
+},{"../core/shader":134,"../lib/three":173,"../utils/":195}],180:[function(_dereq_,module,exports){
+var css = ".a-html{bottom:0;left:0;position:fixed;right:0;top:0}.a-body{height:100%;margin:0;overflow:hidden;padding:0;width:100%}:-webkit-full-screen{background-color:transparent}.a-hidden{display:none!important}.a-canvas{height:100%;left:0;position:absolute;top:0;width:100%}.a-canvas.a-grab-cursor:hover{cursor:grab;cursor:-moz-grab;cursor:-webkit-grab}.a-canvas.a-grab-cursor:active,.a-grabbing{cursor:grabbing;cursor:-moz-grabbing;cursor:-webkit-grabbing}// Class is removed when doing <a-scene embedded>. a-scene.fullscreen .a-canvas{width:100%!important;height:100%!important;top:0!important;left:0!important;right:0!important;bottom:0!important;z-index:999999!important;position:fixed!important}.a-inspector-loader{background-color:#ed3160;position:fixed;left:3px;top:3px;padding:6px 10px;color:#fff;text-decoration:none;font-size:12px;font-family:Roboto,sans-serif;text-align:center;z-index:99999;width:204px}@keyframes dots-1{from{opacity:0}25%{opacity:1}}@keyframes dots-2{from{opacity:0}50%{opacity:1}}@keyframes dots-3{from{opacity:0}75%{opacity:1}}@-webkit-keyframes dots-1{from{opacity:0}25%{opacity:1}}@-webkit-keyframes dots-2{from{opacity:0}50%{opacity:1}}@-webkit-keyframes dots-3{from{opacity:0}75%{opacity:1}}.a-inspector-loader .dots span{animation:dots-1 2s infinite steps(1);-webkit-animation:dots-1 2s infinite steps(1)}.a-inspector-loader .dots span:first-child+span{animation-name:dots-2;-webkit-animation-name:dots-2}.a-inspector-loader .dots span:first-child+span+span{animation-name:dots-3;-webkit-animation-name:dots-3}a-scene{display:block;position:relative;height:100%;width:100%}a-assets,a-scene audio,a-scene img,a-scene video{display:none}.a-enter-vr-modal,.a-orientation-modal{font-family:Consolas,Andale Mono,Courier New,monospace}.a-enter-vr-modal a{border-bottom:1px solid #fff;padding:2px 0;text-decoration:none;transition:.1s color ease-in}.a-enter-vr-modal a:hover{background-color:#fff;color:#111;padding:2px 4px;position:relative;left:-4px}.a-enter-vr{font-family:sans-serif,monospace;font-size:13px;width:100%;font-weight:200;line-height:16px;position:absolute;right:20px;bottom:20px}.a-enter-vr.embedded{right:5px;bottom:5px}.a-enter-vr-button,.a-enter-vr-modal,.a-enter-vr-modal a{color:#fff}.a-enter-vr-button{background:url(data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20245.82%20141.73%22%3E%3Cdefs%3E%3Cstyle%3E.a%7Bfill%3A%23fff%3Bfill-rule%3Aevenodd%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctitle%3Emask%3C%2Ftitle%3E%3Cpath%20class%3D%22a%22%20d%3D%22M175.56%2C111.37c-22.52%2C0-40.77-18.84-40.77-42.07S153%2C27.24%2C175.56%2C27.24s40.77%2C18.84%2C40.77%2C42.07S198.08%2C111.37%2C175.56%2C111.37ZM26.84%2C69.31c0-23.23%2C18.25-42.07%2C40.77-42.07s40.77%2C18.84%2C40.77%2C42.07-18.26%2C42.07-40.77%2C42.07S26.84%2C92.54%2C26.84%2C69.31ZM27.27%2C0C11.54%2C0%2C0%2C12.34%2C0%2C28.58V110.9c0%2C16.24%2C11.54%2C30.83%2C27.27%2C30.83H99.57c2.17%2C0%2C4.19-1.83%2C5.4-3.7L116.47%2C118a8%2C8%2C0%2C0%2C1%2C12.52-.18l11.51%2C20.34c1.2%2C1.86%2C3.22%2C3.61%2C5.39%2C3.61h72.29c15.74%2C0%2C27.63-14.6%2C27.63-30.83V28.58C245.82%2C12.34%2C233.93%2C0%2C218.19%2C0H27.27Z%22%2F%3E%3C%2Fsvg%3E) 50% 50%/70% 70% no-repeat rgba(0,0,0,.35);border:0;bottom:0;cursor:pointer;min-width:50px;min-height:30px;padding-right:5%;padding-top:4%;position:absolute;right:0;transition:background-color .05s ease;-webkit-transition:background-color .05s ease;z-index:9999}.a-enter-vr-button:active,.a-enter-vr-button:hover{background-color:#666}[data-a-enter-vr-no-webvr] .a-enter-vr-button{border-color:#666;opacity:.65}[data-a-enter-vr-no-webvr] .a-enter-vr-button:active,[data-a-enter-vr-no-webvr] .a-enter-vr-button:hover{background-color:rgba(0,0,0,.35);cursor:not-allowed}.a-enter-vr-modal{background-color:#666;border-radius:0;display:none;min-height:32px;margin-right:70px;padding:9px;width:280px;right:2%;position:absolute}.a-enter-vr-modal:after{border-bottom:10px solid transparent;border-left:10px solid #666;border-top:10px solid transparent;display:inline-block;content:'';position:absolute;right:-5px;top:5px;width:0;height:0}.a-enter-vr-modal a,.a-enter-vr-modal p{display:inline}.a-enter-vr-modal p{margin:0}.a-enter-vr-modal p:after{content:' '}[data-a-enter-vr-no-headset].a-enter-vr:hover .a-enter-vr-modal,[data-a-enter-vr-no-webvr].a-enter-vr:hover .a-enter-vr-modal{display:block}.a-orientation-modal{background:url(data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20xmlns%3Axlink%3D%22http%3A//www.w3.org/1999/xlink%22%20version%3D%221.1%22%20x%3D%220px%22%20y%3D%220px%22%20viewBox%3D%220%200%2090%2090%22%20enable-background%3D%22new%200%200%2090%2090%22%20xml%3Aspace%3D%22preserve%22%3E%3Cpolygon%20points%3D%220%2C0%200%2C0%200%2C0%20%22%3E%3C/polygon%3E%3Cg%3E%3Cpath%20d%3D%22M71.545%2C48.145h-31.98V20.743c0-2.627-2.138-4.765-4.765-4.765H18.456c-2.628%2C0-4.767%2C2.138-4.767%2C4.765v42.789%20%20%20c0%2C2.628%2C2.138%2C4.766%2C4.767%2C4.766h5.535v0.959c0%2C2.628%2C2.138%2C4.765%2C4.766%2C4.765h42.788c2.628%2C0%2C4.766-2.137%2C4.766-4.765V52.914%20%20%20C76.311%2C50.284%2C74.173%2C48.145%2C71.545%2C48.145z%20M18.455%2C16.935h16.344c2.1%2C0%2C3.808%2C1.708%2C3.808%2C3.808v27.401H37.25V22.636%20%20%20c0-0.264-0.215-0.478-0.479-0.478H16.482c-0.264%2C0-0.479%2C0.214-0.479%2C0.478v36.585c0%2C0.264%2C0.215%2C0.478%2C0.479%2C0.478h7.507v7.644%20%20%20h-5.534c-2.101%2C0-3.81-1.709-3.81-3.81V20.743C14.645%2C18.643%2C16.354%2C16.935%2C18.455%2C16.935z%20M16.96%2C23.116h19.331v25.031h-7.535%20%20%20c-2.628%2C0-4.766%2C2.139-4.766%2C4.768v5.828h-7.03V23.116z%20M71.545%2C73.064H28.757c-2.101%2C0-3.81-1.708-3.81-3.808V52.914%20%20%20c0-2.102%2C1.709-3.812%2C3.81-3.812h42.788c2.1%2C0%2C3.809%2C1.71%2C3.809%2C3.812v16.343C75.354%2C71.356%2C73.645%2C73.064%2C71.545%2C73.064z%22%3E%3C/path%3E%3Cpath%20d%3D%22M28.919%2C58.424c-1.466%2C0-2.659%2C1.193-2.659%2C2.66c0%2C1.466%2C1.193%2C2.658%2C2.659%2C2.658c1.468%2C0%2C2.662-1.192%2C2.662-2.658%20%20%20C31.581%2C59.617%2C30.387%2C58.424%2C28.919%2C58.424z%20M28.919%2C62.786c-0.939%2C0-1.703-0.764-1.703-1.702c0-0.939%2C0.764-1.704%2C1.703-1.704%20%20%20c0.94%2C0%2C1.705%2C0.765%2C1.705%2C1.704C30.623%2C62.022%2C29.858%2C62.786%2C28.919%2C62.786z%22%3E%3C/path%3E%3Cpath%20d%3D%22M69.654%2C50.461H33.069c-0.264%2C0-0.479%2C0.215-0.479%2C0.479v20.288c0%2C0.264%2C0.215%2C0.478%2C0.479%2C0.478h36.585%20%20%20c0.263%2C0%2C0.477-0.214%2C0.477-0.478V50.939C70.131%2C50.676%2C69.917%2C50.461%2C69.654%2C50.461z%20M69.174%2C51.417V70.75H33.548V51.417H69.174z%22%3E%3C/path%3E%3Cpath%20d%3D%22M45.201%2C30.296c6.651%2C0%2C12.233%2C5.351%2C12.551%2C11.977l-3.033-2.638c-0.193-0.165-0.507-0.142-0.675%2C0.048%20%20%20c-0.174%2C0.198-0.153%2C0.501%2C0.045%2C0.676l3.883%2C3.375c0.09%2C0.075%2C0.198%2C0.115%2C0.312%2C0.115c0.141%2C0%2C0.273-0.061%2C0.362-0.166%20%20%20l3.371-3.877c0.173-0.2%2C0.151-0.502-0.047-0.675c-0.194-0.166-0.508-0.144-0.676%2C0.048l-2.592%2C2.979%20%20%20c-0.18-3.417-1.629-6.605-4.099-9.001c-2.538-2.461-5.877-3.817-9.404-3.817c-0.264%2C0-0.479%2C0.215-0.479%2C0.479%20%20%20C44.72%2C30.083%2C44.936%2C30.296%2C45.201%2C30.296z%22%3E%3C/path%3E%3C/g%3E%3C/svg%3E) center/50% 50% no-repeat rgba(244,244,244,1);bottom:0;font-size:14px;font-weight:600;left:0;line-height:20px;right:0;position:fixed;top:0;z-index:9999999}.a-orientation-modal:after{color:#666;content:\"Insert phone into Cardboard holder.\";display:block;position:absolute;text-align:center;top:70%;transform:translateY(-70%);width:100%}.a-orientation-modal button{background:url(data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20xmlns%3Axlink%3D%22http%3A//www.w3.org/1999/xlink%22%20version%3D%221.1%22%20x%3D%220px%22%20y%3D%220px%22%20viewBox%3D%220%200%20100%20100%22%20enable-background%3D%22new%200%200%20100%20100%22%20xml%3Aspace%3D%22preserve%22%3E%3Cpath%20fill%3D%22%23000000%22%20d%3D%22M55.209%2C50l17.803-17.803c1.416-1.416%2C1.416-3.713%2C0-5.129c-1.416-1.417-3.713-1.417-5.129%2C0L50.08%2C44.872%20%20L32.278%2C27.069c-1.416-1.417-3.714-1.417-5.129%2C0c-1.417%2C1.416-1.417%2C3.713%2C0%2C5.129L44.951%2C50L27.149%2C67.803%20%20c-1.417%2C1.416-1.417%2C3.713%2C0%2C5.129c0.708%2C0.708%2C1.636%2C1.062%2C2.564%2C1.062c0.928%2C0%2C1.856-0.354%2C2.564-1.062L50.08%2C55.13l17.803%2C17.802%20%20c0.708%2C0.708%2C1.637%2C1.062%2C2.564%2C1.062s1.856-0.354%2C2.564-1.062c1.416-1.416%2C1.416-3.713%2C0-5.129L55.209%2C50z%22%3E%3C/path%3E%3C/svg%3E) no-repeat;border:none;height:50px;text-indent:-9999px;width:50px}"; (_dereq_("browserify-css").createStyle(css, { "href": "src/style/aframe.css"})); module.exports = css;
+},{"browserify-css":5}],181:[function(_dereq_,module,exports){
+var css = ".rs-base{background-color:#333;color:#fafafa;border-radius:0;font:10px monospace;left:5px;line-height:1em;opacity:.85;overflow:hidden;padding:10px;position:fixed;top:5px;width:300px;z-index:10000}.rs-base div.hidden{display:none}.rs-base h1{color:#fff;cursor:pointer;font-size:1.4em;font-weight:300;margin:0 0 5px;padding:0}.rs-group{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-flex-direction:column-reverse;flex-direction:column-reverse;margin-bottom:5px}.rs-group:last-child{margin-bottom:0}.rs-counter-base{align-items:center;display:-webkit-box;display:-webkit-flex;display:flex;height:10px;-webkit-justify-content:space-between;justify-content:space-between;margin:2px 0}.rs-counter-base.alarm{color:#b70000;text-shadow:0 0 0 #b70000,0 0 1px #fff,0 0 1px #fff,0 0 2px #fff,0 0 2px #fff,0 0 3px #fff,0 0 3px #fff,0 0 4px #fff,0 0 4px #fff}.rs-counter-id{font-weight:300;-webkit-box-ordinal-group:0;-webkit-order:0;order:0;width:54px}.rs-counter-value{font-weight:300;-webkit-box-ordinal-group:1;-webkit-order:1;order:1;text-align:right;width:35px}.rs-canvas{-webkit-box-ordinal-group:2;-webkit-order:2;order:2}@media (min-width:480px){.rs-base{left:20px;top:20px}}"; (_dereq_("browserify-css").createStyle(css, { "href": "src/style/rStats.css"})); module.exports = css;
+},{"browserify-css":5}],182:[function(_dereq_,module,exports){
+var bind = _dereq_('../utils/bind');
+var constants = _dereq_('../constants/');
+var registerSystem = _dereq_('../core/system').registerSystem;
+
+var DEFAULT_CAMERA_ATTR = 'data-aframe-default-camera';
+
+/**
+ * Camera system. Manages which camera is active among multiple cameras in scene.
+ *
+ * @member {object} activeCameraEl - Active camera entity.
+ */
+module.exports.System = registerSystem('camera', {
+ init: function () {
+ this.activeCameraEl = null;
+ // Wait for all entities to fully load before checking for existence of camera.
+ // Since entities wait for <a-assets> to load, any cameras attaching to the scene
+ // will do so asynchronously.
+ this.sceneEl.addEventListener('loaded', bind(this.setupDefaultCamera, this));
+ },
+
+ /**
+ * Create a default camera if user has not added one during the initial scene traversal.
+ *
+ * Default camera offset height is at average eye level (~1.6m).
+ */
+ setupDefaultCamera: function () {
+ var sceneEl = this.sceneEl;
+ var defaultCameraEl;
+
+ // Camera already defined or the one defined it is an spectator one.
+ if (sceneEl.camera && !sceneEl.camera.el.getAttribute('camera').spectator) {
+ sceneEl.emit('camera-ready', {cameraEl: sceneEl.camera.el});
+ return;
+ }
+
+ // Set up default camera.
+ defaultCameraEl = document.createElement('a-entity');
+ defaultCameraEl.setAttribute('position', '0 0 0');
+ defaultCameraEl.setAttribute(DEFAULT_CAMERA_ATTR, '');
+ defaultCameraEl.setAttribute('camera', {active: true});
+ defaultCameraEl.setAttribute('wasd-controls', '');
+ defaultCameraEl.setAttribute('look-controls', {userHeight: constants.DEFAULT_CAMERA_HEIGHT});
+ defaultCameraEl.setAttribute(constants.AFRAME_INJECTED, '');
+ sceneEl.appendChild(defaultCameraEl);
+ sceneEl.addEventListener('enter-vr', this.removeDefaultOffset);
+ sceneEl.addEventListener('exit-vr', this.addDefaultOffset);
+ sceneEl.emit('camera-ready', {cameraEl: defaultCameraEl});
+ },
+
+ /**
+ * Set a different active camera.
+ * When we choose a (sort of) random scene camera as the replacement, set its `active` to
+ * true. The camera component will call `setActiveCamera` and handle passing the torch to
+ * the new camera.
+ */
+ disableActiveCamera: function () {
+ var cameraEls = this.sceneEl.querySelectorAll('[camera]');
+ var newActiveCameraEl = cameraEls[cameraEls.length - 1];
+ newActiveCameraEl.setAttribute('camera', 'active', true);
+ },
+
+ /**
+ * Set active camera to be used by renderer.
+ * Removes the default camera (if present).
+ * Disables all other cameras in the scene.
+ *
+ * @param {Element} newCameraEl - Entity with camera component.
+ */
+ setActiveCamera: function (newCameraEl) {
+ var cameraEl;
+ var cameraEls;
+ var i;
+ var newCamera;
+ var previousCamera = this.activeCameraEl;
+ var sceneEl = this.sceneEl;
+
+ // Same camera.
+ newCamera = newCameraEl.getObject3D('camera');
+ if (!newCamera || newCameraEl === this.activeCameraEl) { return; }
+
+ // Grab the default camera.
+ var defaultCameraWrapper = sceneEl.querySelector('[' + DEFAULT_CAMERA_ATTR + ']');
+ var defaultCameraEl = defaultCameraWrapper &&
+ defaultCameraWrapper.querySelector('[camera]');
+
+ // Remove default camera if new camera is not the default camera.
+ if (newCameraEl !== defaultCameraEl) { removeDefaultCamera(sceneEl); }
+
+ // Make new camera active.
+ this.activeCameraEl = newCameraEl;
+ this.activeCameraEl.play();
+ sceneEl.camera = newCamera;
+
+ // Disable current camera
+ if (previousCamera) {
+ previousCamera.setAttribute('camera', 'active', false);
+ }
+
+ // Disable other cameras in the scene
+ cameraEls = sceneEl.querySelectorAll('[camera]');
+ for (i = 0; i < cameraEls.length; i++) {
+ cameraEl = cameraEls[i];
+ if (!cameraEl.isEntity || newCameraEl === cameraEl) { continue; }
+ cameraEl.setAttribute('camera', 'active', false);
+ cameraEl.pause();
+ }
+ sceneEl.emit('camera-set-active', {cameraEl: newCameraEl});
+ },
+
+ /**
+ * Set spectator camera to render the scene on a 2D display.
+ *
+ * @param {Element} newCameraEl - Entity with camera component.
+ */
+ setSpectatorCamera: function (newCameraEl) {
+ var newCamera;
+ var previousCamera = this.spectatorCameraEl;
+ var sceneEl = this.sceneEl;
+ var spectatorCameraEl;
+
+ // Same camera.
+ newCamera = newCameraEl.getObject3D('camera');
+ if (!newCamera || newCameraEl === this.spectatorCameraEl) { return; }
+
+ // Disable current camera
+ if (previousCamera) {
+ previousCamera.setAttribute('camera', 'spectator', false);
+ }
+
+ spectatorCameraEl = this.spectatorCameraEl = newCameraEl;
+ spectatorCameraEl.setAttribute('camera', 'active', false);
+ spectatorCameraEl.play();
+
+ sceneEl.emit('camera-set-spectator', {cameraEl: newCameraEl});
+ },
+
+ /**
+ * Disables current spectator camera.
+ */
+ disableSpectatorCamera: function () {
+ this.spectatorCameraEl = undefined;
+ },
+
+ tock: function () {
+ var spectatorCamera;
+ var sceneEl = this.sceneEl;
+ var isVREnabled = sceneEl.renderer.vr.enabled;
+ if (!this.spectatorCameraEl || sceneEl.isMobile) { return; }
+ spectatorCamera = this.spectatorCameraEl.components.camera.camera;
+ sceneEl.renderer.vr.enabled = false;
+ sceneEl.renderer.render(sceneEl.object3D, spectatorCamera);
+ sceneEl.renderer.vr.enabled = isVREnabled;
+ }
+});
+
+/**
+ * Remove injected default camera from scene, if present.
+ *
+ * @param {Element} sceneEl
+ */
+function removeDefaultCamera (sceneEl) {
+ var defaultCamera;
+ var camera = sceneEl.camera;
+ if (!camera) { return; }
+
+ // Remove default camera if present.
+ defaultCamera = sceneEl.querySelector('[' + DEFAULT_CAMERA_ATTR + ']');
+ if (!defaultCamera) { return; }
+ sceneEl.removeChild(defaultCamera);
+}
+
+},{"../constants/":116,"../core/system":135,"../utils/bind":189}],183:[function(_dereq_,module,exports){
+var geometries = _dereq_('../core/geometry').geometries;
+var registerSystem = _dereq_('../core/system').registerSystem;
+var THREE = _dereq_('../lib/three');
+
+/**
+ * System for geometry component.
+ * Handle geometry caching.
+ *
+ * @member {object} cache - Mapping of stringified component data to THREE.Geometry objects.
+ * @member {object} cacheCount - Keep track of number of entities using a geometry to
+ * know whether to dispose on removal.
+ */
+module.exports.System = registerSystem('geometry', {
+ init: function () {
+ this.cache = {};
+ this.cacheCount = {};
+ },
+
+ /**
+ * Reset cache. Mainly for testing.
+ */
+ clearCache: function () {
+ this.cache = {};
+ this.cacheCount = {};
+ },
+
+ /**
+ * Attempt to retrieve from cache.
+ *
+ * @returns {Object|null} A geometry if it exists, else null.
+ */
+ getOrCreateGeometry: function (data) {
+ var cache = this.cache;
+ var cachedGeometry;
+ var hash;
+
+ // Skip all caching logic.
+ if (data.skipCache) { return createGeometry(data); }
+
+ // Try to retrieve from cache first.
+ hash = this.hash(data);
+ cachedGeometry = cache[hash];
+ incrementCacheCount(this.cacheCount, hash);
+
+ if (cachedGeometry) { return cachedGeometry; }
+
+ // Create geometry.
+ cachedGeometry = createGeometry(data);
+
+ // Cache and return geometry.
+ cache[hash] = cachedGeometry;
+ return cachedGeometry;
+ },
+
+ /**
+ * Let system know that an entity is no longer using a geometry.
+ */
+ unuseGeometry: function (data) {
+ var cache = this.cache;
+ var cacheCount = this.cacheCount;
+ var geometry;
+ var hash;
+
+ if (data.skipCache) { return; }
+
+ hash = this.hash(data);
+
+ if (!cache[hash]) { return; }
+
+ decrementCacheCount(cacheCount, hash);
+
+ // Another entity is still using this geometry. No need to do anything.
+ if (cacheCount[hash] > 0) { return; }
+
+ // No more entities are using this geometry. Dispose.
+ geometry = cache[hash];
+ geometry.dispose();
+ delete cache[hash];
+ delete cacheCount[hash];
+ },
+
+ /**
+ * Use JSON.stringify to turn component data into hash.
+ * Should be deterministic within a single browser engine.
+ * If not, then look into json-stable-stringify.
+ */
+ hash: function (data) {
+ return JSON.stringify(data);
+ }
+});
+
+/**
+ * Create geometry using component data.
+ *
+ * @param {object} data - Component data.
+ * @returns {object} Geometry.
+ */
+function createGeometry (data) {
+ var geometryType = data.primitive;
+ var GeometryClass = geometries[geometryType] && geometries[geometryType].Geometry;
+ var geometryInstance = new GeometryClass();
+
+ if (!GeometryClass) { throw new Error('Unknown geometry `' + geometryType + '`'); }
+
+ geometryInstance.init(data);
+ return toBufferGeometry(geometryInstance.geometry, data.buffer);
+}
+
+/**
+ * Decreate count of entity using a geometry.
+ */
+function decrementCacheCount (cacheCount, hash) {
+ cacheCount[hash]--;
+}
+
+/**
+ * Increase count of entity using a geometry.
+ */
+function incrementCacheCount (cacheCount, hash) {
+ cacheCount[hash] = cacheCount[hash] === undefined ? 1 : cacheCount[hash] + 1;
+}
+
+/**
+ * Transform geometry to BufferGeometry if `doBuffer`.
+ *
+ * @param {object} geometry
+ * @param {boolean} doBuffer
+ * @returns {object} Geometry.
+ */
+function toBufferGeometry (geometry, doBuffer) {
+ var bufferGeometry;
+ if (!doBuffer) { return geometry; }
+
+ bufferGeometry = new THREE.BufferGeometry().fromGeometry(geometry);
+ bufferGeometry.metadata = {type: geometry.type, parameters: geometry.parameters || {}};
+ geometry.dispose(); // Dispose no longer needed non-buffer geometry.
+ return bufferGeometry;
+}
+
+},{"../core/geometry":126,"../core/system":135,"../lib/three":173}],184:[function(_dereq_,module,exports){
+_dereq_('./camera');
+_dereq_('./geometry');
+_dereq_('./light');
+_dereq_('./material');
+_dereq_('./shadow');
+_dereq_('./tracked-controls');
+
+
+},{"./camera":182,"./geometry":183,"./light":185,"./material":186,"./shadow":187,"./tracked-controls":188}],185:[function(_dereq_,module,exports){
+var registerSystem = _dereq_('../core/system').registerSystem;
+var bind = _dereq_('../utils/bind');
+var constants = _dereq_('../constants/');
+
+var DEFAULT_LIGHT_ATTR = 'data-aframe-default-light';
+
+/**
+ * Light system.
+ *
+ * Prescribes default lighting if not specified (one ambient, one directional).
+ * Removes default lighting from the scene when a new light is added.
+ *
+ * @param {bool} defaultLights - Whether default lighting are defined.
+ * @param {bool} userDefinedLights - Whether user lighting is defined.
+ */
+module.exports.System = registerSystem('light', {
+ schema: {
+ defaultLightsEnabled: {default: true}
+ },
+
+ init: function () {
+ this.defaultLights = false;
+ this.userDefinedLights = false;
+ // Wait for all entities to fully load before checking for existence of lights.
+ // Since entities wait for <a-assets> to load, any lights attaching to the scene
+ // will do so asynchronously.
+ this.sceneEl.addEventListener('loaded', bind(this.setupDefaultLights, this));
+ },
+
+ /**
+ * Notify scene that light has been added and to remove the default.
+ *
+ * @param {object} el - element holding the light component.
+ */
+ registerLight: function (el) {
+ if (!el.hasAttribute(DEFAULT_LIGHT_ATTR)) {
+ // User added a light, remove default lights through DOM.
+ this.removeDefaultLights();
+ this.userDefinedLights = true;
+ }
+ },
+
+ removeDefaultLights: function () {
+ var defaultLights;
+ var sceneEl = this.sceneEl;
+
+ if (!this.defaultLights) { return; }
+ defaultLights = document.querySelectorAll('[' + DEFAULT_LIGHT_ATTR + ']');
+ for (var i = 0; i < defaultLights.length; i++) {
+ sceneEl.removeChild(defaultLights[i]);
+ }
+ this.defaultLights = false;
+ },
+
+ /**
+ * Prescibe default lights to the scene.
+ * Does so by injecting markup such that this state is not invisible.
+ * These lights are removed if the user adds any lights.
+ */
+ setupDefaultLights: function () {
+ var sceneEl = this.sceneEl;
+ var ambientLight;
+ var directionalLight;
+
+ if (this.userDefinedLights || this.defaultLights || !this.data.defaultLightsEnabled) {
+ return;
+ }
+
+ ambientLight = document.createElement('a-entity');
+ ambientLight.setAttribute('light', {color: '#BBB', type: 'ambient'});
+ ambientLight.setAttribute(DEFAULT_LIGHT_ATTR, '');
+ ambientLight.setAttribute(constants.AFRAME_INJECTED, '');
+ sceneEl.appendChild(ambientLight);
+
+ directionalLight = document.createElement('a-entity');
+ directionalLight.setAttribute('light', {color: '#FFF', intensity: 0.6, castShadow: true});
+ directionalLight.setAttribute('position', {x: -0.5, y: 1, z: 1});
+ directionalLight.setAttribute(DEFAULT_LIGHT_ATTR, '');
+ directionalLight.setAttribute(constants.AFRAME_INJECTED, '');
+ sceneEl.appendChild(directionalLight);
+
+ this.defaultLights = true;
+ }
+});
+
+},{"../constants/":116,"../core/system":135,"../utils/bind":189}],186:[function(_dereq_,module,exports){
+var registerSystem = _dereq_('../core/system').registerSystem;
+var THREE = _dereq_('../lib/three');
+var utils = _dereq_('../utils/');
+var isHLS = _dereq_('../utils/material').isHLS;
+
+var bind = utils.bind;
+var debug = utils.debug;
+var error = debug('components:texture:error');
+var TextureLoader = new THREE.TextureLoader();
+var warn = debug('components:texture:warn');
+
+TextureLoader.setCrossOrigin('anonymous');
+
+/**
+ * System for material component.
+ * Handle material registration, updates (for fog), and texture caching.
+ *
+ * @member {object} materials - Registered materials.
+ * @member {object} textureCounts - Number of times each texture is used. Tracked
+ * separately from textureCache, because the cache (1) is populated in
+ * multiple places, and (2) may be cleared at any time.
+ * @member {object} textureCache - Texture cache for:
+ * - Images: textureCache has mapping of src -> repeat -> cached three.js texture.
+ * - Videos: textureCache has mapping of videoElement -> cached three.js texture.
+ */
+module.exports.System = registerSystem('material', {
+ init: function () {
+ this.materials = {};
+ this.textureCounts = {};
+ this.textureCache = {};
+
+ this.sceneEl.addEventListener(
+ 'materialtextureloaded',
+ bind(this.onMaterialTextureLoaded, this)
+ );
+ },
+
+ clearTextureCache: function () {
+ this.textureCache = {};
+ },
+
+ /**
+ * Determine whether `src` is a image or video. Then try to load the asset, then call back.
+ *
+ * @param {string, or element} src - Texture URL or element.
+ * @param {string} data - Relevant texture data used for caching.
+ * @param {function} cb - Callback to pass texture to.
+ */
+ loadTexture: function (src, data, cb) {
+ var self = this;
+
+ // Canvas.
+ if (src.tagName === 'CANVAS') {
+ this.loadCanvas(src, data, cb);
+ return;
+ }
+
+ // Video element.
+ if (src.tagName === 'VIDEO') {
+ if (!src.src && !src.srcObject && !src.childElementCount) {
+ warn('Video element was defined with neither `source` elements nor `src` / `srcObject` attributes.');
+ }
+ this.loadVideo(src, data, cb);
+ return;
+ }
+
+ utils.srcLoader.validateSrc(src, loadImageCb, loadVideoCb);
+ function loadImageCb (src) { self.loadImage(src, data, cb); }
+ function loadVideoCb (src) { self.loadVideo(src, data, cb); }
+ },
+
+ /**
+ * High-level function for loading image textures (THREE.Texture).
+ *
+ * @param {Element|string} src - Texture source.
+ * @param {object} data - Texture data.
+ * @param {function} cb - Callback to pass texture to.
+ */
+ loadImage: function (src, data, handleImageTextureLoaded) {
+ var hash = this.hash(data);
+ var textureCache = this.textureCache;
+
+ // Texture already being loaded or already loaded. Wait on promise.
+ if (textureCache[hash]) {
+ textureCache[hash].then(handleImageTextureLoaded);
+ return;
+ }
+
+ // Texture not yet being loaded. Start loading it.
+ textureCache[hash] = loadImageTexture(src, data);
+ textureCache[hash].then(handleImageTextureLoaded);
+ },
+
+ /**
+ * High-level function for loading canvas textures (THREE.Texture).
+ *
+ * @param {Element|string} src - Texture source.
+ * @param {object} data - Texture data.
+ * @param {function} cb - Callback to pass texture to.
+ */
+ loadCanvas: function (src, data, cb) {
+ // Hack readyState and HAVE_CURRENT_DATA on canvas to work with THREE.VideoTexture
+ src.readyState = 2;
+ src.HAVE_CURRENT_DATA = 2;
+ this.loadVideo(src, data, cb);
+ },
+
+ /**
+ * Load video texture (THREE.VideoTexture).
+ * Which is just an image texture that RAFs + needsUpdate.
+ * Note that creating a video texture is synchronous unlike loading an image texture.
+ * Made asynchronous to be consistent with image textures.
+ *
+ * @param {Element|string} src - Texture source.
+ * @param {object} data - Texture data.
+ * @param {function} cb - Callback to pass texture to.
+ */
+ loadVideo: function (src, data, cb) {
+ var hash;
+ var texture;
+ var textureCache = this.textureCache;
+ var videoEl;
+ var videoTextureResult;
+
+ function handleVideoTextureLoaded (result) {
+ result.texture.needsUpdate = true;
+ cb(result.texture, result.videoEl);
+ }
+
+ // Video element provided.
+ if (typeof src !== 'string') {
+ // Check cache before creating texture.
+ videoEl = src;
+ hash = this.hashVideo(data, videoEl);
+ if (textureCache[hash]) {
+ textureCache[hash].then(handleVideoTextureLoaded);
+ return;
+ }
+ // If not in cache, fix up the attributes then start to create the texture.
+ fixVideoAttributes(videoEl);
+ }
+
+ // Only URL provided. Use video element to create texture.
+ videoEl = videoEl || createVideoEl(src, data.width, data.height);
+
+ // Generated video element already cached. Use that.
+ hash = this.hashVideo(data, videoEl);
+ if (textureCache[hash]) {
+ textureCache[hash].then(handleVideoTextureLoaded);
+ return;
+ }
+
+ // Create new video texture.
+ texture = new THREE.VideoTexture(videoEl);
+ texture.minFilter = THREE.LinearFilter;
+ setTextureProperties(texture, data);
+
+ // If iOS and video is HLS, do some hacks.
+ if (this.sceneEl.isIOS &&
+ isHLS(videoEl.src || videoEl.getAttribute('src'),
+ videoEl.type || videoEl.getAttribute('type'))) {
+ // Actually BGRA. Tell shader to correct later.
+ texture.format = THREE.RGBAFormat;
+ texture.needsCorrectionBGRA = true;
+ // Apparently needed for HLS. Tell shader to correct later.
+ texture.flipY = false;
+ texture.needsCorrectionFlipY = true;
+ }
+
+ // Cache as promise to be consistent with image texture caching.
+ videoTextureResult = {texture: texture, videoEl: videoEl};
+ textureCache[hash] = Promise.resolve(videoTextureResult);
+ handleVideoTextureLoaded(videoTextureResult);
+ },
+
+ /**
+ * Create a hash of the material properties for texture cache key.
+ */
+ hash: function (data) {
+ if (data.src.tagName) {
+ // Since `data.src` can be an element, parse out the string if necessary for the hash.
+ data = utils.extendDeep({}, data);
+ data.src = data.src.src;
+ }
+ return JSON.stringify(data);
+ },
+
+ hashVideo: function (data, videoEl) {
+ return calculateVideoCacheHash(data, videoEl);
+ },
+
+ /**
+ * Keep track of material in case an update trigger is needed (e.g., fog).
+ *
+ * @param {object} material
+ */
+ registerMaterial: function (material) {
+ this.materials[material.uuid] = material;
+ },
+
+ /**
+ * Stop tracking material, and dispose of any textures not being used by
+ * another material component.
+ *
+ * @param {object} material
+ */
+ unregisterMaterial: function (material) {
+ delete this.materials[material.uuid];
+
+ // If any textures on this material are no longer in use, dispose of them.
+ var textureCounts = this.textureCounts;
+ Object.keys(material)
+ .filter(function (propName) {
+ return material[propName] && material[propName].isTexture;
+ })
+ .forEach(function (mapName) {
+ textureCounts[material[mapName].uuid]--;
+ if (textureCounts[material[mapName].uuid] <= 0) {
+ material[mapName].dispose();
+ }
+ });
+ },
+
+ /**
+ * Trigger update to all registered materials.
+ */
+ updateMaterials: function (material) {
+ var materials = this.materials;
+ Object.keys(materials).forEach(function (uuid) {
+ materials[uuid].needsUpdate = true;
+ });
+ },
+
+ /**
+ * Track textures used by material components, so that they can be safely
+ * disposed when no longer in use. Textures must be registered here, and not
+ * through registerMaterial(), because textures may not be attached at the
+ * time the material is registered.
+ *
+ * @param {Event} e
+ */
+ onMaterialTextureLoaded: function (e) {
+ if (!this.textureCounts[e.detail.texture.uuid]) {
+ this.textureCounts[e.detail.texture.uuid] = 0;
+ }
+ this.textureCounts[e.detail.texture.uuid]++;
+ }
+});
+
+/**
+ * Calculates consistent hash from a video element using its attributes.
+ * If the video element has an ID, use that.
+ * Else build a hash that looks like `src:myvideo.mp4;height:200;width:400;`.
+ *
+ * @param data {object} - Texture data such as repeat.
+ * @param videoEl {Element} - Video element.
+ * @returns {string}
+ */
+function calculateVideoCacheHash (data, videoEl) {
+ var i;
+ var id = videoEl.getAttribute('id');
+ var hash;
+ var videoAttributes;
+
+ if (id) { return id; }
+
+ // Calculate hash using sorted video attributes.
+ hash = '';
+ videoAttributes = data || {};
+ for (i = 0; i < videoEl.attributes.length; i++) {
+ videoAttributes[videoEl.attributes[i].name] = videoEl.attributes[i].value;
+ }
+ Object.keys(videoAttributes).sort().forEach(function (name) {
+ hash += name + ':' + videoAttributes[name] + ';';
+ });
+
+ return hash;
+}
+
+/**
+ * Load image texture.
+ *
+ * @private
+ * @param {string|object} src - An <img> element or url to an image file.
+ * @param {object} data - Data to set texture properties like `repeat`.
+ * @returns {Promise} Resolves once texture is loaded.
+ */
+function loadImageTexture (src, data) {
+ return new Promise(doLoadImageTexture);
+
+ function doLoadImageTexture (resolve, reject) {
+ var isEl = typeof src !== 'string';
+
+ function resolveTexture (texture) {
+ setTextureProperties(texture, data);
+ texture.needsUpdate = true;
+ resolve(texture);
+ }
+
+ // Create texture from an element.
+ if (isEl) {
+ resolveTexture(new THREE.Texture(src));
+ return;
+ }
+
+ // Request and load texture from src string. THREE will create underlying element.
+ // Use THREE.TextureLoader (src, onLoad, onProgress, onError) to load texture.
+ TextureLoader.load(
+ src,
+ resolveTexture,
+ function () { /* no-op */ },
+ function (xhr) {
+ error('`$s` could not be fetched (Error code: %s; Response: %s)', xhr.status,
+ xhr.statusText);
+ }
+ );
+ }
+}
+
+/**
+ * Set texture properties such as repeat and offset.
+ *
+ * @param {object} data - With keys like `repeat`.
+ */
+function setTextureProperties (texture, data) {
+ var offset = data.offset || {x: 0, y: 0};
+ var repeat = data.repeat || {x: 1, y: 1};
+ var npot = data.npot || false;
+
+ // To support NPOT textures, wrap must be ClampToEdge (not Repeat),
+ // and filters must not use mipmaps (i.e. Nearest or Linear).
+ if (npot) {
+ texture.wrapS = THREE.ClampToEdgeWrapping;
+ texture.wrapT = THREE.ClampToEdgeWrapping;
+ texture.magFilter = THREE.LinearFilter;
+ texture.minFilter = THREE.LinearFilter;
+ }
+
+ // Don't bother setting repeat if it is 1/1. Power-of-two is required to repeat.
+ if (repeat.x !== 1 || repeat.y !== 1) {
+ texture.wrapS = THREE.RepeatWrapping;
+ texture.wrapT = THREE.RepeatWrapping;
+ texture.repeat.set(repeat.x, repeat.y);
+ }
+ // Don't bother setting offset if it is 0/0.
+ if (offset.x !== 0 || offset.y !== 0) {
+ texture.offset.set(offset.x, offset.y);
+ }
+}
+
+/**
+ * Create video element to be used as a texture.
+ *
+ * @param {string} src - Url to a video file.
+ * @param {number} width - Width of the video.
+ * @param {number} height - Height of the video.
+ * @returns {Element} Video element.
+ */
+function createVideoEl (src, width, height) {
+ var videoEl = document.createElement('video');
+ videoEl.width = width;
+ videoEl.height = height;
+ // Support inline videos for iOS webviews.
+ videoEl.setAttribute('playsinline', '');
+ videoEl.setAttribute('webkit-playsinline', '');
+ videoEl.autoplay = true;
+ videoEl.loop = true;
+ videoEl.crossOrigin = 'anonymous';
+ videoEl.addEventListener('error', function () {
+ warn('`$s` is not a valid video', src);
+ }, true);
+ videoEl.src = src;
+ return videoEl;
+}
+
+/**
+ * Fixes a video element's attributes to prevent developers from accidentally passing the
+ * wrong attribute values to commonly misused video attributes.
+ *
+ * <video> does not treat `autoplay`, `controls`, `crossorigin`, `loop`, and `preload` as
+ * as booleans. Existence of those attributes will mean truthy.
+ *
+ * For example, translates <video loop="false"> to <video>.
+ *
+ * @see https://developer.mozilla.org/docs/Web/HTML/Element/video#Attributes
+ * @param {Element} videoEl - Video element.
+ * @returns {Element} Video element with the correct properties updated.
+ */
+function fixVideoAttributes (videoEl) {
+ videoEl.autoplay = videoEl.hasAttribute('autoplay') && videoEl.getAttribute('autoplay') !== 'false';
+ videoEl.controls = videoEl.hasAttribute('controls') && videoEl.getAttribute('controls') !== 'false';
+ if (videoEl.getAttribute('loop') === 'false') {
+ videoEl.removeAttribute('loop');
+ }
+ if (videoEl.getAttribute('preload') === 'false') {
+ videoEl.preload = 'none';
+ }
+ videoEl.crossOrigin = videoEl.crossOrigin || 'anonymous';
+ // To support inline videos in iOS webviews.
+ videoEl.setAttribute('playsinline', '');
+ videoEl.setAttribute('webkit-playsinline', '');
+ return videoEl;
+}
+
+},{"../core/system":135,"../lib/three":173,"../utils/":195,"../utils/material":196}],187:[function(_dereq_,module,exports){
+var registerSystem = _dereq_('../core/system').registerSystem;
+var THREE = _dereq_('../lib/three');
+
+var SHADOW_MAP_TYPE_MAP = {
+ basic: THREE.BasicShadowMap,
+ pcf: THREE.PCFShadowMap,
+ pcfsoft: THREE.PCFSoftShadowMap
+};
+
+/**
+ * Shadow system.
+ *
+ * Enabled automatically when one or more shadow components are added to the scene, the system sets
+ * options on the WebGLRenderer for configuring shadow appearance.
+ */
+module.exports.System = registerSystem('shadow', {
+ schema: {
+ autoUpdate: {default: true},
+ renderReverseSided: {default: true},
+ renderSingleSided: {default: true},
+ type: {default: 'pcf', oneOf: ['basic', 'pcf', 'pcfsoft']}
+ },
+
+ init: function () {
+ var sceneEl = this.sceneEl;
+ var data = this.data;
+
+ this.shadowMapEnabled = false;
+
+ if (!sceneEl.renderer) { return; } // For tests.
+
+ sceneEl.renderer.shadowMap.type = SHADOW_MAP_TYPE_MAP[data.type];
+ sceneEl.renderer.shadowMap.renderReverseSided = data.renderReverseSided;
+ sceneEl.renderer.shadowMap.renderSingleSided = data.renderSingleSided;
+ sceneEl.renderer.shadowMap.autoUpdate = data.autoUpdate;
+ this.setShadowMapEnabled(this.shadowMapEnabled);
+ },
+
+ /**
+ * Enables/disables the renderer shadow map.
+ * @param {boolean} enabled
+ */
+ setShadowMapEnabled: function (enabled) {
+ var renderer = this.sceneEl.renderer;
+ this.shadowMapEnabled = enabled;
+ if (renderer) {
+ renderer.shadowMap.enabled = enabled;
+ }
+ }
+});
+
+},{"../core/system":135,"../lib/three":173}],188:[function(_dereq_,module,exports){
+var registerSystem = _dereq_('../core/system').registerSystem;
+var utils = _dereq_('../utils');
+
+/**
+ * Tracked controls system.
+ * Maintain list with available tracked controllers.
+ */
+module.exports.System = registerSystem('tracked-controls', {
+ init: function () {
+ var self = this;
+
+ this.controllers = [];
+
+ this.updateControllerList(navigator.getGamepads && navigator.getGamepads());
+ this.throttledUpdateControllerList = utils.throttle(this.updateControllerList, 500, this);
+
+ if (!navigator.getVRDisplays) { return; }
+
+ this.sceneEl.addEventListener('enter-vr', function () {
+ navigator.getVRDisplays().then(function (displays) {
+ if (displays.length) { self.vrDisplay = displays[0]; }
+ });
+ });
+ },
+
+ tick: function () {
+ var gamepads;
+ // Call getGamepads for Chrome.
+ gamepads = navigator.getGamepads && navigator.getGamepads();
+ this.throttledUpdateControllerList(gamepads);
+ },
+
+ /**
+ * Update controller list.
+ */
+ updateControllerList: function (gamepads) {
+ var controllers = this.controllers;
+ var gamepad;
+ var i;
+ var prevCount;
+
+ if (!gamepads) { return; }
+
+ prevCount = controllers.length;
+ controllers.length = 0;
+ for (i = 0; i < gamepads.length; ++i) {
+ gamepad = gamepads[i];
+ if (gamepad && gamepad.pose) {
+ controllers.push(gamepad);
+ }
+ }
+
+ if (controllers.length !== prevCount) {
+ this.el.emit('controllersupdated', undefined, false);
+ }
+ }
+});
+
+},{"../core/system":135,"../utils":195}],189:[function(_dereq_,module,exports){
+/**
+ * Faster version of Function.prototype.bind
+ * @param {Function} fn - Function to wrap.
+ * @param {Object} ctx - What to bind as context.
+ * @param {...*} arguments - Arguments to pass through.
+ */
+module.exports = function bind (fn, ctx/* , arg1, arg2 */) {
+ return (function (prependedArgs) {
+ return function bound () {
+ // Concat the bound function arguments with those passed to original bind
+ var args = prependedArgs.concat(Array.prototype.slice.call(arguments, 0));
+ return fn.apply(ctx, args);
+ };
+ })(Array.prototype.slice.call(arguments, 2));
+};
+
+},{}],190:[function(_dereq_,module,exports){
+/* global THREE */
+var debug = _dereq_('./debug');
+var extend = _dereq_('object-assign');
+
+var warn = debug('utils:coordinates:warn');
+
+// Coordinate string regex. Handles negative, positive, and decimals.
+var regex = /^\s*((-?\d*\.{0,1}\d+(e-?\d+)?)\s+){2,3}(-?\d*\.{0,1}\d+(e-?\d+)?)\s*$/;
+module.exports.regex = regex;
+
+/**
+ * Parses coordinates from an "x y z" string.
+ * Example: "3 10 -5" to {x: 3, y: 10, z: -5}.
+ *
+ * @param {string} val - An "x y z" string.
+ * @param {string} defaults - fallback value.
+ * @returns {object} An object with keys [x, y, z].
+ */
+function parse (value, defaultVec) {
+ var coordinate;
+ var vec;
+
+ if (value && value instanceof Object) {
+ if (defaultVec) {
+ value.x = value.x === undefined ? defaultVec.x : value.x;
+ value.y = value.y === undefined ? defaultVec.y : value.y;
+ value.z = value.z === undefined ? defaultVec.z : value.z;
+ value.w = value.w === undefined ? defaultVec.w : value.w;
+ }
+ return vecParseFloat(value);
+ }
+
+ if (value === null || value === undefined) {
+ return typeof defaultVec === 'object' ? extend({}, defaultVec) : defaultVec;
+ }
+
+ coordinate = value.trim().replace(/\s+/g, ' ').split(' ');
+ vec = {};
+ vec.x = coordinate[0] || defaultVec && defaultVec.x;
+ vec.y = coordinate[1] || defaultVec && defaultVec.y;
+ vec.z = coordinate[2] || defaultVec && defaultVec.z;
+ vec.w = coordinate[3] || defaultVec && defaultVec.w;
+ return vecParseFloat(vec);
+}
+module.exports.parse = parse;
+
+/**
+ * Stringify coordinates from an object with keys [x y z].
+ * Example: {x: 3, y: 10, z: -5} to "3 10 -5".
+ *
+ * @param {object|string} data - An object with keys [x y z].
+ * @returns {string} An "x y z" string.
+ */
+function stringify (data) {
+ if (typeof data !== 'object') { return data; }
+ return [data.x, data.y, data.z, data.w].join(' ').trim();
+}
+module.exports.stringify = stringify;
+
+/**
+ * @returns {bool}
+ */
+function isCoordinates (value) {
+ return regex.test(value);
+}
+module.exports.isCoordinates = isCoordinates;
+
+module.exports.isCoordinate = function (value) {
+ warn('`AFRAME.utils.isCoordinate` has been renamed to `AFRAME.utils.isCoordinates`');
+ return isCoordinates(value);
+};
+
+function vecParseFloat (vec) {
+ var key;
+ for (key in vec) {
+ if (vec[key] === undefined) {
+ delete vec[key];
+ continue;
+ }
+ if (vec[key].constructor === String) {
+ vec[key] = parseFloat(vec[key], 10);
+ }
+ }
+ return vec;
+}
+
+/**
+ * Convert {x, y, z} object to three.js Vector3.
+ */
+module.exports.toVector3 = function (vec3) {
+ return new THREE.Vector3(vec3.x, vec3.y, vec3.z);
+};
+
+},{"./debug":191,"object-assign":26}],191:[function(_dereq_,module,exports){
+(function (process){
+var debugLib = _dereq_('debug');
+var extend = _dereq_('object-assign');
+
+var settings = {
+ colors: {
+ debug: 'gray',
+ error: 'red',
+ info: 'gray',
+ warn: 'orange'
+ }
+};
+
+/**
+ * Monkeypatches `debug` so we can colorize error/warning messages.
+ *
+ * (See issue: https://github.com/visionmedia/debug/issues/137)
+ */
+var debug = function (namespace) {
+ var d = debugLib(namespace);
+
+ d.color = getDebugNamespaceColor(namespace);
+
+ return d;
+};
+extend(debug, debugLib);
+
+/**
+ * Returns the type of the namespace (e.g., `error`, `warn`).
+ *
+ * @param {String} namespace
+ * The debug logger's namespace (e.g., `components:geometry:warn`).
+ * @returns {String} The type of the namespace (e.g., `warn`).
+ * @api private
+ */
+function getDebugNamespaceType (namespace) {
+ var chunks = namespace.split(':');
+
+ return chunks[chunks.length - 1]; // Return the last one
+}
+
+/**
+ * Returns the color of the namespace (e.g., `orange`).
+ *
+ * @param {String} namespace
+ * The debug logger's namespace (e.g., `components:geometry:warn`).
+ * @returns {String} The color of the namespace (e.g., `orange`).
+ * @api private
+ */
+function getDebugNamespaceColor (namespace) {
+ var type = getDebugNamespaceType(namespace);
+
+ var color = settings.colors && settings.colors[type];
+
+ return color || null;
+}
+
+/**
+ * Returns `localStorage` if possible.
+ *
+ * This is necessary because Safari throws when a user disables
+ * cookies or `localStorage` and you attempt to access it.
+ *
+ * @returns {localStorage}
+ * @api private
+ */
+function storage () {
+ try {
+ return window.localStorage;
+ } catch (e) {
+ }
+}
+
+/**
+ * To enable console logging, type this in the Console of your Dev Tools:
+ *
+ * localStorage.logs = 1
+ *
+ * To disable console logging:
+ *
+ * localStorage.logs = 0
+ *
+ */
+var ls = storage();
+if (ls && (parseInt(ls.logs, 10) || ls.logs === 'true')) {
+ debug.enable('*');
+} else {
+ debug.enable('*:error,*:info,*:warn');
+}
+
+if (process.browser) { window.logs = debug; }
+
+module.exports = debug;
+
+}).call(this,_dereq_('_process'))
+
+},{"_process":6,"debug":10,"object-assign":26}],192:[function(_dereq_,module,exports){
+(function (process){
+var vrDisplay;
+var polyfilledVRDisplay;
+var POLYFILL_VRDISPLAY_ID = 'Cardboard VRDisplay (webvr-polyfill)';
+
+if (navigator.getVRDisplays) {
+ navigator.getVRDisplays().then(function (displays) {
+ vrDisplay = displays.length && displays[0];
+ polyfilledVRDisplay = vrDisplay.displayName === POLYFILL_VRDISPLAY_ID;
+ });
+}
+
+function getVRDisplay () { return vrDisplay; }
+module.exports.getVRDisplay = getVRDisplay;
+
+/**
+ * Determine if a headset is connected by checking if a vrDisplay is available.
+ */
+function checkHeadsetConnected () { return !!getVRDisplay(); }
+module.exports.checkHeadsetConnected = checkHeadsetConnected;
+
+/**
+ * Check for positional tracking.
+ */
+function checkHasPositionalTracking () {
+ var vrDisplay = getVRDisplay();
+ if (isMobile() || isGearVR()) { return false; }
+ return vrDisplay && vrDisplay.capabilities.hasPosition;
+}
+module.exports.checkHasPositionalTracking = checkHasPositionalTracking;
+
+/**
+ * Checks if browser is mobile.
+ * @return {Boolean} True if mobile browser detected.
+ */
+var isMobile = (function () {
+ var _isMobile = false;
+ (function (a) {
+ // eslint-disable-next-line no-useless-escape
+ if (/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0, 4))) {
+ _isMobile = true;
+ }
+ if (isIOS() || isTablet() || isR7()) {
+ _isMobile = true;
+ }
+ })(window.navigator.userAgent || window.navigator.vendor || window.opera);
+
+ return function () { return _isMobile; };
+})();
+module.exports.isMobile = isMobile;
+
+/**
+ * Detect tablet devices.
+ * @param {string} mockUserAgent - Allow passing a mock user agent for testing.
+ */
+function isTablet (mockUserAgent) {
+ var userAgent = mockUserAgent || window.navigator.userAgent;
+ return /ipad|Nexus (7|9)|xoom|sch-i800|playbook|tablet|kindle/i.test(userAgent);
+}
+module.exports.isTablet = isTablet;
+
+function isIOS () {
+ return /iPad|iPhone|iPod/.test(window.navigator.platform);
+}
+module.exports.isIOS = isIOS;
+
+function isGearVR () {
+ return /SamsungBrowser.+Mobile VR/i.test(window.navigator.userAgent);
+}
+module.exports.isGearVR = isGearVR;
+
+function isR7 () {
+ return /R7 Build/.test(window.navigator.userAgent);
+}
+module.exports.isR7 = isR7;
+
+/**
+ * Checks mobile device orientation.
+ * @return {Boolean} True if landscape orientation.
+ */
+module.exports.isLandscape = function () {
+ var orientation = window.orientation;
+ if (isR7()) { orientation += 90; }
+ return orientation === 90 || orientation === -90;
+};
+
+/**
+ * Check if device is iOS and older than version 10.
+ */
+module.exports.isIOSOlderThan10 = function (userAgent) {
+ return /(iphone|ipod|ipad).*os.(7|8|9)/i.test(userAgent);
+};
+
+/**
+ * Check if running in a browser or spoofed browser (bundler).
+ * We need to check a node api that isn't mocked on either side.
+ * `require` and `module.exports` are mocked in browser by bundlers.
+ * `window` is mocked in node.
+ * `process` is also mocked by browserify, but has custom properties.
+ */
+module.exports.isBrowserEnvironment = !!(!process || process.browser);
+
+/**
+ * Check if running in node on the server.
+ */
+module.exports.isNodeEnvironment = !module.exports.isBrowserEnvironment;
+
+/**
+ * Update an Object3D pose if a polyfilled vrDisplay is present.
+ */
+module.exports.PolyfillControls = function PolyfillControls (object) {
+ var frameData;
+ if (window.VRFrameData) { frameData = new window.VRFrameData(); }
+ this.update = function () {
+ var pose;
+ if (!vrDisplay || !polyfilledVRDisplay) { return; }
+ vrDisplay.getFrameData(frameData);
+ pose = frameData.pose;
+ if (pose.orientation !== null) {
+ object.quaternion.fromArray(pose.orientation);
+ }
+ if (pose.position !== null) {
+ object.position.fromArray(pose.position);
+ } else {
+ object.position.set(0, 0, 0);
+ }
+ };
+};
+
+
+}).call(this,_dereq_('_process'))
+
+},{"_process":6}],193:[function(_dereq_,module,exports){
+/**
+ * Split a delimited component property string (e.g., `material.color`) to an object
+ * containing `component` name and `property` name. If there is no delimiter, just return the
+ * string back.
+ *
+ * Cache arrays from splitting strings via delimiter to save on memory.
+ *
+ * @param {string} str - e.g., `material.opacity`.
+ * @param {string} delimiter - e.g., `.`.
+ * @returns {array} e.g., `['material', 'opacity']`.
+ */
+var propertyPathCache = {};
+function getComponentPropertyPath (str, delimiter) {
+ delimiter = delimiter || '.';
+ if (!propertyPathCache[delimiter]) { propertyPathCache[delimiter] = {}; }
+ if (str.indexOf(delimiter) !== -1) {
+ propertyPathCache[delimiter][str] = str.split(delimiter);
+ } else {
+ propertyPathCache[delimiter][str] = str;
+ }
+ return propertyPathCache[delimiter][str];
+}
+module.exports.getComponentPropertyPath = getComponentPropertyPath;
+module.exports.propertyPathCache = propertyPathCache;
+
+/**
+ * Get component property using encoded component name + component property name with a
+ * delimiter.
+ */
+module.exports.getComponentProperty = function (el, name, delimiter) {
+ var splitName;
+ delimiter = delimiter || '.';
+ if (name.indexOf(delimiter) !== -1) {
+ splitName = getComponentPropertyPath(name, delimiter);
+ if (splitName.constructor === String) {
+ return el.getAttribute(splitName);
+ }
+ return el.getAttribute(splitName[0])[splitName[1]];
+ }
+ return el.getAttribute(name);
+};
+
+/**
+ * Set component property using encoded component name + component property name with a
+ * delimiter.
+ */
+module.exports.setComponentProperty = function (el, name, value, delimiter) {
+ var splitName;
+ delimiter = delimiter || '.';
+ if (name.indexOf(delimiter) !== -1) {
+ splitName = getComponentPropertyPath(name, delimiter);
+ if (splitName.constructor === String) {
+ el.setAttribute(splitName, value);
+ } else {
+ el.setAttribute(splitName[0], splitName[1], value);
+ }
+ return;
+ }
+ el.setAttribute(name, value);
+};
+
+},{}],194:[function(_dereq_,module,exports){
+module.exports = function forceCanvasResizeSafariMobile (canvasEl) {
+ var width = canvasEl.style.width;
+ var height = canvasEl.style.height;
+ // Taken from webvr-polyfill (https://github.com/borismus/webvr-polyfill/blob/85f657cd502ec9417bf26b87c3cb2afa6a70e079/src/util.js#L200)
+ // iOS only workaround for https://bugs.webkit.org/show_bug.cgi?id=152556
+ // By changing the size 1 pixel and restoring the previous value
+ // we trigger a size recalculation cycle.
+ canvasEl.style.width = (parseInt(width, 10) + 1) + 'px';
+ canvasEl.style.height = (parseInt(height, 10) + 1) + 'px';
+ setTimeout(function () {
+ canvasEl.style.width = width;
+ canvasEl.style.height = height;
+ }, 200);
+};
+
+},{}],195:[function(_dereq_,module,exports){
+/* global location */
+
+/* Centralized place to reference utilities since utils is exposed to the user. */
+var debug = _dereq_('./debug');
+var deepAssign = _dereq_('deep-assign');
+var device = _dereq_('./device');
+var objectAssign = _dereq_('object-assign');
+var objectPool = _dereq_('./object-pool');
+
+var warn = debug('utils:warn');
+
+module.exports.bind = _dereq_('./bind');
+module.exports.coordinates = _dereq_('./coordinates');
+module.exports.debug = debug;
+module.exports.device = device;
+module.exports.entity = _dereq_('./entity');
+module.exports.forceCanvasResizeSafariMobile = _dereq_('./forceCanvasResizeSafariMobile');
+module.exports.material = _dereq_('./material');
+module.exports.objectPool = objectPool;
+module.exports.styleParser = _dereq_('./styleParser');
+module.exports.trackedControls = _dereq_('./tracked-controls');
+
+module.exports.checkHeadsetConnected = function () {
+ warn('`utils.checkHeadsetConnected` has moved to `utils.device.checkHeadsetConnected`');
+ return device.checkHeadsetConnected(arguments);
+};
+module.exports.isGearVR = function () {
+ warn('`utils.isGearVR` has moved to `utils.device.isGearVR`');
+ return device.isGearVR(arguments);
+};
+module.exports.isIOS = function () {
+ warn('`utils.isIOS` has moved to `utils.device.isIOS`');
+ return device.isIOS(arguments);
+};
+module.exports.isMobile = function () {
+ warn('`utils.isMobile has moved to `utils.device.isMobile`');
+ return device.isMobile(arguments);
+};
+
+/**
+ * Returns throttle function that gets called at most once every interval.
+ *
+ * @param {function} functionToThrottle
+ * @param {number} minimumInterval - Minimal interval between calls (milliseconds).
+ * @param {object} optionalContext - If given, bind function to throttle to this context.
+ * @returns {function} Throttled function.
+ */
+module.exports.throttle = function (functionToThrottle, minimumInterval, optionalContext) {
+ var lastTime;
+ if (optionalContext) {
+ functionToThrottle = module.exports.bind(functionToThrottle, optionalContext);
+ }
+ return function () {
+ var time = Date.now();
+ var sinceLastTime = typeof lastTime === 'undefined' ? minimumInterval : time - lastTime;
+ if (typeof lastTime === 'undefined' || (sinceLastTime >= minimumInterval)) {
+ lastTime = time;
+ functionToThrottle.apply(null, arguments);
+ }
+ };
+};
+
+/**
+ * Returns throttle function that gets called at most once every interval.
+ * Uses the time/timeDelta timestamps provided by the global render loop for better perf.
+ *
+ * @param {function} functionToThrottle
+ * @param {number} minimumInterval - Minimal interval between calls (milliseconds).
+ * @param {object} optionalContext - If given, bind function to throttle to this context.
+ * @returns {function} Throttled function.
+ */
+module.exports.throttleTick = function (functionToThrottle, minimumInterval, optionalContext) {
+ var lastTime;
+ if (optionalContext) {
+ functionToThrottle = module.exports.bind(functionToThrottle, optionalContext);
+ }
+ return function (time, delta) {
+ var sinceLastTime = typeof lastTime === 'undefined' ? delta : time - lastTime;
+ if (typeof lastTime === 'undefined' || (sinceLastTime >= minimumInterval)) {
+ lastTime = time;
+ functionToThrottle(time, sinceLastTime);
+ }
+ };
+};
+
+/**
+ * Returns debounce function that gets called only once after a set of repeated calls.
+ *
+ * @param {function} functionToDebounce
+ * @param {number} wait - Time to wait for repeated function calls (milliseconds).
+ * @param {boolean} immediate - Calls the function immediately regardless of if it should be waiting.
+ * @returns {function} Debounced function.
+ */
+module.exports.debounce = function (func, wait, immediate) {
+ var timeout;
+ return function () {
+ var context = this;
+ var args = arguments;
+ var later = function () {
+ timeout = null;
+ if (!immediate) func.apply(context, args);
+ };
+ var callNow = immediate && !timeout;
+ clearTimeout(timeout);
+ timeout = setTimeout(later, wait);
+ if (callNow) func.apply(context, args);
+ };
+};
+
+/**
+ * Mix the properties of source object(s) into a destination object.
+ *
+ * @param {object} dest - The object to which properties will be copied.
+ * @param {...object} source - The object(s) from which properties will be copied.
+ */
+module.exports.extend = objectAssign;
+module.exports.extendDeep = deepAssign;
+
+module.exports.clone = function (obj) {
+ return JSON.parse(JSON.stringify(obj));
+};
+
+/**
+ * Checks if two values are equal.
+ * Includes objects and arrays and nested objects and arrays.
+ * Try to keep this function performant as it will be called often to see if a component
+ * should be updated.
+ *
+ * @param {object} a - First object.
+ * @param {object} b - Second object.
+ * @returns {boolean} Whether two objects are deeply equal.
+ */
+var deepEqual = (function () {
+ var arrayPool = objectPool.createPool(function () { return []; });
+
+ return function (a, b) {
+ var key;
+ var keysA;
+ var keysB;
+ var i;
+ var valA;
+ var valB;
+
+ // If not objects or arrays, compare as values.
+ if (a === undefined || b === undefined || a === null || b === null ||
+ !(a && b && (a.constructor === Object && b.constructor === Object) ||
+ (a.constructor === Array && b.constructor === Array))) {
+ return a === b;
+ }
+
+ // Different number of keys, not equal.
+ keysA = arrayPool.use();
+ keysB = arrayPool.use();
+ keysA.length = 0;
+ keysB.length = 0;
+ for (key in a) { keysA.push(key); }
+ for (key in b) { keysB.push(key); }
+ if (keysA.length !== keysB.length) {
+ arrayPool.recycle(keysA);
+ arrayPool.recycle(keysB);
+ return false;
+ }
+
+ // Return `false` at the first sign of inequality.
+ for (i = 0; i < keysA.length; ++i) {
+ valA = a[keysA[i]];
+ valB = b[keysA[i]];
+ // Check nested array and object.
+ if ((typeof valA === 'object' || typeof valB === 'object') ||
+ (Array.isArray(valA) && Array.isArray(valB))) {
+ if (valA === valB) { continue; }
+ if (!deepEqual(valA, valB)) {
+ arrayPool.recycle(keysA);
+ arrayPool.recycle(keysB);
+ return false;
+ }
+ } else if (valA !== valB) {
+ arrayPool.recycle(keysA);
+ arrayPool.recycle(keysB);
+ return false;
+ }
+ }
+
+ arrayPool.recycle(keysA);
+ arrayPool.recycle(keysB);
+ return true;
+ };
+})();
+module.exports.deepEqual = deepEqual;
+
+/**
+ * Computes the difference between two objects.
+ *
+ * @param {object} a - First object to compare (e.g., oldData).
+ * @param {object} b - Second object to compare (e.g., newData).
+ * @returns {object}
+ * Difference object where set of keys note which values were not equal, and values are
+ * `b`'s values.
+ */
+module.exports.diff = (function () {
+ var keys = [];
+
+ return function (a, b, targetObject) {
+ var aVal;
+ var bVal;
+ var bKey;
+ var diff;
+ var key;
+ var i;
+ var isComparingObjects;
+
+ diff = targetObject || {};
+
+ // Collect A keys.
+ keys.length = 0;
+ for (key in a) { keys.push(key); }
+
+ if (!b) { return diff; }
+
+ // Collect B keys.
+ for (bKey in b) {
+ if (keys.indexOf(bKey) === -1) {
+ keys.push(bKey);
+ }
+ }
+
+ for (i = 0; i < keys.length; i++) {
+ key = keys[i];
+ aVal = a[key];
+ bVal = b[key];
+ isComparingObjects = aVal && bVal &&
+ aVal.constructor === Object && bVal.constructor === Object;
+ if ((isComparingObjects && !deepEqual(aVal, bVal)) ||
+ (!isComparingObjects && aVal !== bVal)) {
+ diff[key] = bVal;
+ }
+ }
+ return diff;
+ };
+})();
+
+/**
+ * Returns whether we should capture this keyboard event for keyboard shortcuts.
+ * @param {Event} event Event object.
+ * @returns {Boolean} Whether the key event should be captured.
+ */
+module.exports.shouldCaptureKeyEvent = function (event) {
+ if (event.metaKey) { return false; }
+ return document.activeElement === document.body;
+};
+
+/**
+ * Splits a string into an array based on a delimiter.
+ *
+ * @param {string=} [str=''] Source string
+ * @param {string=} [delimiter=' '] Delimiter to use
+ * @returns {array} Array of delimited strings
+ */
+module.exports.splitString = function (str, delimiter) {
+ if (typeof delimiter === 'undefined') { delimiter = ' '; }
+ // First collapse the whitespace (or whatever the delimiter is).
+ var regex = new RegExp(delimiter, 'g');
+ str = (str || '').replace(regex, delimiter);
+ // Then split.
+ return str.split(delimiter);
+};
+
+/**
+ * Extracts data from the element given an object that contains expected keys.
+ *
+ * @param {Element} Source element.
+ * @param {Object} [defaults={}] Object of default key-value pairs.
+ * @returns {Object}
+ */
+module.exports.getElData = function (el, defaults) {
+ defaults = defaults || {};
+ var data = {};
+ Object.keys(defaults).forEach(copyAttribute);
+ function copyAttribute (key) {
+ if (el.hasAttribute(key)) {
+ data[key] = el.getAttribute(key);
+ }
+ }
+ return data;
+};
+
+/**
+ * Retrieves querystring value.
+ * @param {String} name Name of querystring key.
+ * @return {String} Value
+ */
+module.exports.getUrlParameter = function (name) {
+ // eslint-disable-next-line no-useless-escape
+ name = name.replace(/[\[]/, '\\[').replace(/[\]]/, '\\]');
+ var regex = new RegExp('[\\?&]' + name + '=([^&#]*)');
+ var results = regex.exec(location.search);
+ return results === null ? '' : decodeURIComponent(results[1].replace(/\+/g, ' '));
+};
+
+/**
+ * Detects whether context is within iframe.
+ */
+module.exports.isIframed = function () {
+ return window.top !== window.self;
+};
+
+/**
+ * Finds all elements under the element that have the isScene
+ * property set to true
+ */
+module.exports.findAllScenes = function (el) {
+ var matchingElements = [];
+ var allElements = el.getElementsByTagName('*');
+ for (var i = 0, n = allElements.length; i < n; i++) {
+ if (allElements[i].isScene) {
+ // Element exists with isScene set.
+ matchingElements.push(allElements[i]);
+ }
+ }
+ return matchingElements;
+};
+
+// Must be at bottom to avoid circular dependency.
+module.exports.srcLoader = _dereq_('./src-loader');
+
+/**
+ * String split with cached result.
+ */
+module.exports.split = (function () {
+ var splitCache = {};
+
+ return function (str, delimiter) {
+ if (!(delimiter in splitCache)) { splitCache[delimiter] = {}; }
+
+ if (str in splitCache[delimiter]) { return splitCache[delimiter][str]; }
+
+ splitCache[delimiter][str] = str.split(delimiter);
+ return splitCache[delimiter][str];
+ };
+})();
+
+},{"./bind":189,"./coordinates":190,"./debug":191,"./device":192,"./entity":193,"./forceCanvasResizeSafariMobile":194,"./material":196,"./object-pool":197,"./src-loader":198,"./styleParser":199,"./tracked-controls":200,"deep-assign":12,"object-assign":26}],196:[function(_dereq_,module,exports){
+var THREE = _dereq_('../lib/three');
+
+var HLS_MIMETYPES = ['application/x-mpegurl', 'application/vnd.apple.mpegurl'];
+
+/**
+ * Update `material` texture property (usually but not always `map`)
+ * from `data` property (usually but not always `src`)
+ *
+ * @param {object} shader - A-Frame shader instance.
+ * @param {object} data
+ */
+module.exports.updateMapMaterialFromData = function (materialName, dataName, shader, data) {
+ var el = shader.el;
+ var material = shader.material;
+ var src = data[dataName];
+
+ // Because a single material / shader may have multiple textures,
+ // we need to remember the source value for this data property
+ // to avoid redundant operations which can be expensive otherwise
+ // (e.g. video texture loads).
+ if (!shader.materialSrcs) { shader.materialSrcs = {}; }
+
+ if (!src) {
+ // Forget the prior material src.
+ delete shader.materialSrcs[materialName];
+ // Remove the texture.
+ setMap(null);
+ return;
+ }
+
+ // Don't process if material src hasn't changed.
+ if (src === shader.materialSrcs[materialName]) { return; }
+
+ // Remember the new src for this texture (there may be multiple).
+ shader.materialSrcs[materialName] = src;
+
+ // If the new material src is already a texture, just use it.
+ if (src instanceof THREE.Texture) { setMap(src); } else {
+ // Load texture for the new material src.
+ // (And check if we should still use it once available in callback.)
+ el.sceneEl.systems.material.loadTexture(src,
+ {src: src, repeat: data.repeat, offset: data.offset, npot: data.npot},
+ checkSetMap);
+ }
+
+ function checkSetMap (texture) {
+ // If the source has been changed, don't use loaded texture.
+ if (shader.materialSrcs[materialName] !== src) { return; }
+ setMap(texture);
+ }
+
+ function setMap (texture) {
+ material[materialName] = texture;
+ material.needsUpdate = true;
+ handleTextureEvents(el, texture);
+ }
+};
+
+/**
+ * Update `material.map` given `data.src`. For standard and flat shaders.
+ *
+ * @param {object} shader - A-Frame shader instance.
+ * @param {object} data
+ */
+module.exports.updateMap = function (shader, data) {
+ return module.exports.updateMapMaterialFromData('map', 'src', shader, data);
+};
+
+/**
+ * Updates the material's maps which give the illusion of extra geometry.
+ *
+ * @param {string} longType - The friendly name of the map from the component e.g. ambientOcclusionMap becomes aoMap in THREE.js
+ * @param {object} shader - A-Frame shader instance
+ * @param {object} data
+ */
+module.exports.updateDistortionMap = function (longType, shader, data) {
+ var shortType = longType;
+ if (longType === 'ambientOcclusion') { shortType = 'ao'; }
+ var el = shader.el;
+ var material = shader.material;
+ var src = data[longType + 'Map'];
+ var info = {};
+ info.src = src;
+
+ // Pass through the repeat and offset to be handled by the material loader.
+ info.offset = data[longType + 'TextureOffset'];
+ info.repeat = data[longType + 'TextureRepeat'];
+ info.wrap = data[longType + 'TextureWrap'];
+
+ if (src) {
+ if (src === shader[longType + 'TextureSrc']) { return; }
+
+ // Texture added or changed.
+ shader[longType + 'TextureSrc'] = src;
+ el.sceneEl.systems.material.loadTexture(src, info, setMap);
+ return;
+ }
+
+ // Texture removed.
+ if (!material.map) { return; }
+ setMap(null);
+
+ function setMap (texture) {
+ material[shortType + 'Map'] = texture;
+ material.needsUpdate = true;
+ handleTextureEvents(el, texture);
+ }
+};
+
+/**
+ * Emit event on entities on texture-related events.
+ *
+ * @param {Element} el - Entity.
+ * @param {object} texture - three.js Texture.
+ */
+function handleTextureEvents (el, texture) {
+ if (!texture) { return; }
+
+ el.emit('materialtextureloaded', {src: texture.image, texture: texture});
+
+ // Video events.
+ if (!texture.image || texture.image.tagName !== 'VIDEO') { return; }
+
+ texture.image.addEventListener('loadeddata', function emitVideoTextureLoadedDataAll () {
+ // Check to see if we need to use iOS 10 HLS shader.
+ // Only override the shader if it is stock shader that we know doesn't correct.
+ if (!el.components || !el.components.material) { return; }
+
+ if (texture.needsCorrectionBGRA && texture.needsCorrectionFlipY &&
+ ['standard', 'flat'].indexOf(el.components.material.data.shader) !== -1) {
+ el.setAttribute('material', 'shader', 'ios10hls');
+ }
+
+ el.emit('materialvideoloadeddata', {src: texture.image, texture: texture});
+ });
+ texture.image.addEventListener('ended', function emitVideoTextureEndedAll () {
+ // Works for non-looping videos only.
+ el.emit('materialvideoended', {src: texture.image, texture: texture});
+ });
+}
+module.exports.handleTextureEvents = handleTextureEvents;
+
+/**
+ * Given video element src and type, guess whether stream is HLS.
+ *
+ * @param {string} src - src from video element (generally URL to content).
+ * @param {string} type - type from video element (generally MIME type if present).
+ */
+module.exports.isHLS = function (src, type) {
+ if (type && HLS_MIMETYPES.includes(type.toLowerCase())) { return true; }
+ if (src && src.toLowerCase().indexOf('.m3u8') > 0) { return true; }
+ return false;
+};
+
+},{"../lib/three":173}],197:[function(_dereq_,module,exports){
+/*
+ Adapted deePool by Kyle Simpson.
+ MIT License: http://getify.mit-license.org
+*/
+var EMPTY_SLOT = Object.freeze(Object.create(null));
+
+// Default object factory.
+function defaultObjectFactory () { return {}; }
+
+/**
+ * Create a new pool.
+ */
+module.exports.createPool = function createPool (objectFactory) {
+ var objPool = [];
+ var nextFreeSlot = null; // Pool location to look for a free object to use.
+
+ objectFactory = objectFactory || defaultObjectFactory;
+
+ function use () {
+ var objToUse;
+ if (nextFreeSlot === null || nextFreeSlot === objPool.length) {
+ grow(objPool.length || 5);
+ }
+ objToUse = objPool[nextFreeSlot];
+ objPool[nextFreeSlot++] = EMPTY_SLOT;
+ clearObject(objToUse);
+ return objToUse;
+ }
+
+ function recycle (obj) {
+ if (!(obj instanceof Object)) { return; }
+ if (nextFreeSlot === null || nextFreeSlot === -1) {
+ objPool[objPool.length] = obj;
+ return;
+ }
+ objPool[--nextFreeSlot] = obj;
+ }
+
+ function grow (count) {
+ var currentLength;
+ var i;
+
+ count = count === undefined ? objPool.length : count;
+ if (count > 0 && nextFreeSlot == null) {
+ nextFreeSlot = 0;
+ }
+
+ if (count > 0) {
+ currentLength = objPool.length;
+ objPool.length += Number(count);
+ for (i = currentLength; i < objPool.length; i++) {
+ // Add new obj to pool.
+ objPool[i] = objectFactory();
+ }
+ }
+
+ return objPool.length;
+ }
+
+ function size () {
+ return objPool.length;
+ }
+
+ return {
+ grow: grow,
+ pool: objPool,
+ recycle: recycle,
+ size: size,
+ use: use
+ };
+};
+
+function clearObject (obj) {
+ var key;
+ if (!(obj.constructor === Object)) { return; }
+ for (key in obj) { obj[key] = undefined; }
+}
+module.exports.clearObject = clearObject;
+
+},{}],198:[function(_dereq_,module,exports){
+/* global Image, XMLHttpRequest */
+var debug = _dereq_('./debug');
+
+var warn = debug('utils:src-loader:warn');
+
+/**
+ * Validate a texture, either as a selector or as a URL.
+ * Detects whether `src` is pointing to an image or video and invokes the appropriate
+ * callback.
+ *
+ * `src` will be passed into the callback
+ *
+ * @params {string|Element} src - URL or media element.
+ * @params {function} isImageCb - callback if texture is an image.
+ * @params {function} isVideoCb - callback if texture is a video.
+ */
+function validateSrc (src, isImageCb, isVideoCb) {
+ checkIsImage(src, function isAnImageUrl (isImage) {
+ if (isImage) {
+ isImageCb(src);
+ return;
+ }
+ isVideoCb(src);
+ });
+}
+
+/**
+ * Validates six images as a cubemap, either as selector or comma-separated
+ * URLs.
+ *
+ * @param {string} src - A selector or comma-separated image URLs. Image URLs
+ must be wrapped by `url()`.
+ * @param {string} src - A selector or comma-separated image URLs. Image URLs
+ must be wrapped by `url()`.
+ */
+function validateCubemapSrc (src, cb) {
+ var aCubemap;
+ var cubemapSrcRegex = '';
+ var i;
+ var urls;
+ var validatedUrls = [];
+
+ for (i = 0; i < 5; i++) {
+ cubemapSrcRegex += '(url\\((?:[^\\)]+)\\),\\s*)';
+ }
+ cubemapSrcRegex += '(url\\((?:[^\\)]+)\\)\\s*)';
+ urls = src.match(new RegExp(cubemapSrcRegex));
+
+ // `src` is a comma-separated list of URLs.
+ // In this case, re-use validateSrc for each side of the cube.
+ function isImageCb (url) {
+ validatedUrls.push(url);
+ if (validatedUrls.length === 6) {
+ cb(validatedUrls);
+ }
+ }
+ if (urls) {
+ for (i = 1; i < 7; i++) {
+ validateSrc(parseUrl(urls[i]), isImageCb);
+ }
+ return;
+ }
+
+ // `src` is a query selector to <a-cubemap> containing six $([src])s.
+ aCubemap = validateAndGetQuerySelector(src);
+ if (!aCubemap) { return; }
+ if (aCubemap.tagName === 'A-CUBEMAP' && aCubemap.srcs) {
+ return cb(aCubemap.srcs);
+ }
+ // Else if aCubeMap is not a <a-cubemap>.
+ warn('Selector "%s" does not point to <a-cubemap>', src);
+}
+
+/**
+ * Parses src from `url(src)`.
+ * @param {string} src - String to parse.
+ * @return {string} The parsed src, if parseable.
+ */
+function parseUrl (src) {
+ var parsedSrc = src.match(/\url\((.+)\)/);
+ if (!parsedSrc) { return; }
+ return parsedSrc[1];
+}
+
+/**
+ * Call back whether `src` is an image.
+ *
+ * @param {string|Element} src - URL or element that will be tested.
+ * @param {function} onResult - Callback with whether `src` is an image.
+ */
+function checkIsImage (src, onResult) {
+ var request;
+
+ if (src.tagName) {
+ onResult(src.tagName === 'IMG');
+ return;
+ }
+ request = new XMLHttpRequest();
+
+ // Try to send HEAD request to check if image first.
+ request.open('HEAD', src);
+ request.addEventListener('load', function (event) {
+ var contentType;
+ if (request.status >= 200 && request.status < 300) {
+ contentType = request.getResponseHeader('Content-Type');
+ if (contentType == null) {
+ checkIsImageFallback(src, onResult);
+ } else {
+ if (contentType.startsWith('image')) {
+ onResult(true);
+ } else {
+ onResult(false);
+ }
+ }
+ } else {
+ checkIsImageFallback(src, onResult);
+ }
+ request.abort();
+ });
+ request.send();
+}
+
+function checkIsImageFallback (src, onResult) {
+ var tester = new Image();
+ tester.addEventListener('load', onLoad);
+ function onLoad () { onResult(true); }
+ tester.addEventListener('error', onError);
+ function onError () { onResult(false); }
+ tester.src = src;
+}
+
+/**
+ * Query and validate a query selector,
+ *
+ * @param {string} selector - DOM selector.
+ * @return {object|null|undefined} Selected DOM element if exists.
+ null if query yields no results.
+ undefined if `selector` is not a valid selector.
+ */
+function validateAndGetQuerySelector (selector) {
+ try {
+ var el = document.querySelector(selector);
+ if (!el) {
+ warn('No element was found matching the selector: "%s"', selector);
+ }
+ return el;
+ } catch (e) { // Capture exception if it's not a valid selector.
+ warn('"%s" is not a valid selector', selector);
+ return undefined;
+ }
+}
+
+module.exports = {
+ parseUrl: parseUrl,
+ validateSrc: validateSrc,
+ validateCubemapSrc: validateCubemapSrc
+};
+
+},{"./debug":191}],199:[function(_dereq_,module,exports){
+/* Utils for parsing style-like strings (e.g., "primitive: box; width: 5; height: 4.5"). */
+var styleParser = _dereq_('style-attr');
+
+/**
+ * Deserializes style-like string into an object of properties.
+ *
+ * @param {string} value - HTML attribute value.
+ * @returns {object} Property data.
+ */
+module.exports.parse = function (value) {
+ var parsedData;
+ if (typeof value !== 'string') { return value; }
+ parsedData = styleParser.parse(value);
+ // The style parser returns an object { "" : "test"} when fed a string
+ if (parsedData['']) { return value; }
+ return transformKeysToCamelCase(parsedData);
+};
+
+/**
+ * Serialize an object of properties into a style-like string.
+ *
+ * @param {object} data - Property data.
+ * @returns {string}
+ */
+module.exports.stringify = function (data) {
+ if (typeof data === 'string') { return data; }
+ return styleParser.stringify(data);
+};
+
+/**
+ * Converts string from hyphen to camelCase.
+ *
+ * @param {string} str - String to camelCase.
+ * @return {string} CamelCased string.
+ */
+function toCamelCase (str) {
+ return str.replace(/-([a-z])/g, camelCase);
+ function camelCase (g) { return g[1].toUpperCase(); }
+}
+module.exports.toCamelCase = toCamelCase;
+
+/**
+ * Converts object's keys from hyphens to camelCase (e.g., `max-value` to
+ * `maxValue`).
+ *
+ * @param {object} obj - The object to camelCase keys.
+ * @return {object} The object with keys camelCased.
+ */
+function transformKeysToCamelCase (obj) {
+ var keys = Object.keys(obj);
+ var camelCaseObj = {};
+ keys.forEach(function (key) {
+ var camelCaseKey = toCamelCase(key);
+ camelCaseObj[camelCaseKey] = obj[key];
+ });
+ return camelCaseObj;
+}
+module.exports.transformKeysToCamelCase = transformKeysToCamelCase;
+
+},{"style-attr":35}],200:[function(_dereq_,module,exports){
+var DEFAULT_HANDEDNESS = _dereq_('../constants').DEFAULT_HANDEDNESS;
+var AXIS_LABELS = ['x', 'y', 'z', 'w'];
+var NUM_HANDS = 2; // Number of hands in a pair. Should always be 2.
+
+/**
+ * Called on controller component `.play` handlers.
+ * Check if controller matches parameters and inject tracked-controls component.
+ * Handle event listeners.
+ * Generate controllerconnected or controllerdisconnected events.
+ *
+ * @param {object} component - Tracked controls component.
+ * @param {object} idPrefix - Prefix to match in gamepad id if any.
+ * @param {object} queryObject - Map of values to match.
+ */
+module.exports.checkControllerPresentAndSetup = function (component, idPrefix, queryObject) {
+ var el = component.el;
+ var isPresent = isControllerPresent(component, idPrefix, queryObject);
+
+ // If component was previously paused and now playing, re-add event listeners.
+ // Handle the event listeners here since this helper method is control of calling
+ // `.addEventListeners` and `.removeEventListeners`.
+ if (component.controllerPresent && !component.controllerEventsActive) {
+ component.addEventListeners();
+ }
+
+ // Nothing changed, no need to do anything.
+ if (isPresent === component.controllerPresent) { return isPresent; }
+
+ component.controllerPresent = isPresent;
+
+ // Update controller presence.
+ if (isPresent) {
+ component.injectTrackedControls();
+ component.addEventListeners();
+ el.emit('controllerconnected', {name: component.name, component: component});
+ } else {
+ component.removeEventListeners();
+ el.emit('controllerdisconnected', {name: component.name, component: component});
+ }
+};
+
+/**
+ * Enumerate controller (that have pose) and check if they match parameters.
+ *
+ * @param {object} component - Tracked controls component.
+ * @param {object} idPrefix - Prefix to match in gamepad id if any.
+ * @param {object} queryObject - Map of values to match.
+ */
+function isControllerPresent (component, idPrefix, queryObject) {
+ var gamepads;
+ var sceneEl = component.el.sceneEl;
+ var trackedControlsSystem;
+ var filterControllerIndex = queryObject.index || 0;
+
+ if (!idPrefix) { return false; }
+
+ trackedControlsSystem = sceneEl && sceneEl.systems['tracked-controls'];
+ if (!trackedControlsSystem) { return false; }
+
+ gamepads = trackedControlsSystem.controllers;
+ if (!gamepads.length) { return false; }
+
+ return !!findMatchingController(gamepads, null, idPrefix, queryObject.hand, filterControllerIndex);
+}
+
+module.exports.isControllerPresent = isControllerPresent;
+
+/**
+ * Walk through the given controllers to find any where the device ID equals filterIdExact, or startWith filterIdPrefix.
+ * A controller where this considered true is considered a 'match'.
+ *
+ * For each matching controller:
+ * If filterHand is set, and the controller:
+ * is handed, we further verify that controller.hand equals filterHand.
+ * is unhanded (controller.hand is ''), we skip until we have found a number of matching controllers that equals filterControllerIndex
+ * If filterHand is not set, we skip until we have found the nth matching controller, where n equals filterControllerIndex
+ *
+ * The method should be called with one of: [filterIdExact, filterIdPrefix] AND one or both of: [filterHand, filterControllerIndex]
+ *
+ * @param {object} controllers - Array of gamepads to search
+ * @param {string} filterIdExact - If set, used to find controllers with id === this value
+ * @param {string} filterIdPrefix - If set, used to find controllers with id startsWith this value
+ * @param {object} filterHand - If set, further filters controllers with matching 'hand' property
+ * @param {object} filterControllerIndex - Find the nth matching controller, where n equals filterControllerIndex. defaults to 0.
+ */
+function findMatchingController (controllers, filterIdExact, filterIdPrefix, filterHand, filterControllerIndex) {
+ var controller;
+ var i;
+ var matchingControllerOccurence = 0;
+ var targetControllerMatch = filterControllerIndex || 0;
+
+ for (i = 0; i < controllers.length; i++) {
+ controller = controllers[i];
+ // Determine if the controller ID matches our criteria
+ if (filterIdPrefix && controller.id.indexOf(filterIdPrefix) === -1) { continue; }
+ if (!filterIdPrefix && controller.id !== filterIdExact) { continue; }
+
+ // If the hand filter and controller handedness are defined we compare them.
+ if (filterHand && controller.hand && filterHand !== controller.hand) { continue; }
+
+ // If we have detected an unhanded controller and the component was asking for a particular hand,
+ // we need to treat the controllers in the array as pairs of controllers. This effectively means that we
+ // need to skip NUM_HANDS matches for each controller number, instead of 1.
+ if (filterHand && !controller.hand) {
+ targetControllerMatch = NUM_HANDS * filterControllerIndex + ((filterHand === DEFAULT_HANDEDNESS) ? 0 : 1);
+ }
+
+ // We are looking for the nth occurence of a matching controller (n equals targetControllerMatch).
+ if (matchingControllerOccurence === targetControllerMatch) {
+ return controller;
+ }
+ ++matchingControllerOccurence;
+ }
+ return undefined;
+}
+
+module.exports.findMatchingController = findMatchingController;
+
+/**
+ * Emit specific `moved` event(s) if axes changed based on original axismoved event.
+ *
+ * @param {object} component - Controller component in use.
+ * @param {array} axesMapping - For example `{thumbstick: [0, 1]}`.
+ * @param {object} evt - Event to process.
+ */
+module.exports.emitIfAxesChanged = function (component, axesMapping, evt) {
+ var axes;
+ var buttonTypes;
+ var changed;
+ var detail;
+ var i;
+ var j;
+
+ buttonTypes = Object.keys(axesMapping);
+ for (i = 0; i < buttonTypes.length; i++) {
+ axes = axesMapping[buttonTypes[i]];
+
+ changed = false;
+ for (j = 0; j < axes.length; j++) {
+ if (evt.detail.changed[axes[j]]) { changed = true; }
+ }
+
+ if (!changed) { continue; }
+
+ // Axis has changed. Emit the specific moved event with axis values in detail.
+ detail = {};
+ for (j = 0; j < axes.length; j++) {
+ detail[AXIS_LABELS[j]] = evt.detail.axis[axes[j]];
+ }
+ component.el.emit(buttonTypes[i] + 'moved', detail);
+ }
+};
+
+/**
+ * Handle a button event and reemits the events.
+ *
+ * @param {string} id - id of the button.
+ * @param {string} evtName - name of the reemitted event
+ * @param {object} component - reference to the component
+ * @param {string} hand - handedness of the controller: left or right.
+ */
+module.exports.onButtonEvent = function (id, evtName, component, hand) {
+ var mapping = hand ? component.mapping[hand] : component.mapping;
+ var buttonName = mapping.buttons[id];
+ component.el.emit(buttonName + evtName);
+ if (component.updateModel) {
+ component.updateModel(buttonName, evtName);
+ }
+};
+
+},{"../constants":116}],201:[function(_dereq_,module,exports){
+window.glStats = function () {
+
+ var _rS = null;
+
+ var _totalDrawArraysCalls = 0,
+ _totalDrawElementsCalls = 0,
+ _totalUseProgramCalls = 0,
+ _totalFaces = 0,
+ _totalVertices = 0,
+ _totalPoints = 0,
+ _totalBindTexures = 0;
+
+ function _h ( f, c ) {
+ return function () {
+ c.apply( this, arguments );
+ f.apply( this, arguments );
+ };
+ }
+
+ WebGLRenderingContext.prototype.drawArrays = _h( WebGLRenderingContext.prototype.drawArrays, function () {
+ _totalDrawArraysCalls++;
+ if ( arguments[ 0 ] == this.POINTS ) _totalPoints += arguments[ 2 ];
+ else _totalVertices += arguments[ 2 ];
+ } );
+
+ WebGLRenderingContext.prototype.drawElements = _h( WebGLRenderingContext.prototype.drawElements, function () {
+ _totalDrawElementsCalls++;
+ _totalFaces += arguments[ 1 ] / 3;
+ _totalVertices += arguments[ 1 ];
+ } );
+
+ WebGLRenderingContext.prototype.useProgram = _h( WebGLRenderingContext.prototype.useProgram, function () {
+ _totalUseProgramCalls++;
+ } );
+
+ WebGLRenderingContext.prototype.bindTexture = _h( WebGLRenderingContext.prototype.bindTexture, function () {
+ _totalBindTexures++;
+ } );
+
+ var _values = {
+ allcalls: {
+ over: 3000,
+ caption: 'Calls (hook)'
+ },
+ drawelements: {
+ caption: 'drawElements (hook)'
+ },
+ drawarrays: {
+ caption: 'drawArrays (hook)'
+ }
+ };
+
+ var _groups = [ {
+ caption: 'WebGL',
+ values: [ 'allcalls', 'drawelements', 'drawarrays', 'useprogram', 'bindtexture', 'glfaces', 'glvertices', 'glpoints' ]
+ } ];
+
+ var _fractions = [ {
+ base: 'allcalls',
+ steps: [ 'drawelements', 'drawarrays' ]
+ } ];
+
+ function _update () {
+ _rS( 'allcalls' ).set( _totalDrawArraysCalls + _totalDrawElementsCalls );
+ _rS( 'drawElements' ).set( _totalDrawElementsCalls );
+ _rS( 'drawArrays' ).set( _totalDrawArraysCalls );
+ _rS( 'bindTexture' ).set( _totalBindTexures );
+ _rS( 'useProgram' ).set( _totalUseProgramCalls );
+ _rS( 'glfaces' ).set( _totalFaces );
+ _rS( 'glvertices' ).set( _totalVertices );
+ _rS( 'glpoints' ).set( _totalPoints );
+ }
+
+ function _start () {
+ _totalDrawArraysCalls = 0;
+ _totalDrawElementsCalls = 0;
+ _totalUseProgramCalls = 0;
+ _totalFaces = 0;
+ _totalVertices = 0;
+ _totalPoints = 0;
+ _totalBindTexures = 0;
+ }
+
+ function _end () {}
+
+ function _attach ( r ) {
+ _rS = r;
+ }
+
+ return {
+ update: _update,
+ start: _start,
+ end: _end,
+ attach: _attach,
+ values: _values,
+ groups: _groups,
+ fractions: _fractions
+ };
+
+};
+
+window.threeStats = function ( renderer ) {
+
+ var _rS = null;
+
+ var _values = {
+ 'renderer.info.memory.geometries': {
+ caption: 'Geometries'
+ },
+ 'renderer.info.memory.textures': {
+ caption: 'Textures'
+ },
+ 'renderer.info.programs': {
+ caption: 'Programs'
+ },
+ 'renderer.info.render.calls': {
+ caption: 'Calls'
+ },
+ 'renderer.info.render.faces': {
+ caption: 'Faces',
+ over: 1000
+ },
+ 'renderer.info.render.points': {
+ caption: 'Points'
+ },
+ 'renderer.info.render.vertices': {
+ caption: 'Vertices'
+ }
+ };
+
+ var _groups = [ {
+ caption: 'Three.js - Memory',
+ values: [ 'renderer.info.memory.geometries', 'renderer.info.programs', 'renderer.info.memory.textures' ]
+ }, {
+ caption: 'Three.js - Render',
+ values: [ 'renderer.info.render.calls', 'renderer.info.render.faces', 'renderer.info.render.points', 'renderer.info.render.vertices' ]
+ } ];
+
+ var _fractions = [];
+
+ function _update () {
+
+ _rS( 'renderer.info.memory.geometries' ).set( renderer.info.memory.geometries );
+ _rS( 'renderer.info.programs' ).set( renderer.info.programs.length );
+ _rS( 'renderer.info.memory.textures' ).set( renderer.info.memory.textures );
+ _rS( 'renderer.info.render.calls' ).set( renderer.info.render.calls );
+ _rS( 'renderer.info.render.faces' ).set( renderer.info.render.faces );
+ _rS( 'renderer.info.render.points' ).set( renderer.info.render.points );
+ _rS( 'renderer.info.render.vertices' ).set( renderer.info.render.vertices );
+
+ }
+
+ function _start () {}
+
+ function _end () {}
+
+ function _attach ( r ) {
+ _rS = r;
+ }
+
+ return {
+ update: _update,
+ start: _start,
+ end: _end,
+ attach: _attach,
+ values: _values,
+ groups: _groups,
+ fractions: _fractions
+ };
+
+};
+
+/*
+ * From https://github.com/paulirish/memory-stats.js
+ */
+
+window.BrowserStats = function () {
+
+ var _rS = null;
+
+ var _usedJSHeapSize = 0,
+ _totalJSHeapSize = 0;
+
+ if ( window.performance && !performance.memory ) {
+ performance.memory = {
+ usedJSHeapSize: 0,
+ totalJSHeapSize: 0
+ };
+ }
+
+ if ( performance.memory.totalJSHeapSize === 0 ) {
+ console.warn( 'totalJSHeapSize === 0... performance.memory is only available in Chrome .' );
+ }
+
+ var _values = {
+ memory: {
+ caption: 'Used Memory',
+ average: true,
+ avgMs: 1000,
+ over: 22
+ },
+ total: {
+ caption: 'Total Memory'
+ }
+ };
+
+ var _groups = [ {
+ caption: 'Browser',
+ values: [ 'memory', 'total' ]
+ } ];
+
+ var _fractions = [ {
+ base: 'total',
+ steps: [ 'memory' ]
+ } ];
+
+ var log1024 = Math.log( 1024 );
+
+ function _size ( v ) {
+
+ var precision = 100; //Math.pow(10, 2);
+ var i = Math.floor( Math.log( v ) / log1024 );
+ return Math.round( v * precision / Math.pow( 1024, i ) ) / precision; // + ' ' + sizes[i];
+
+ }
+
+ function _update () {
+ _usedJSHeapSize = _size( performance.memory.usedJSHeapSize );
+ _totalJSHeapSize = _size( performance.memory.totalJSHeapSize );
+
+ _rS( 'memory' ).set( _usedJSHeapSize );
+ _rS( 'total' ).set( _totalJSHeapSize );
+ }
+
+ function _start () {
+ _usedJSHeapSize = 0;
+ }
+
+ function _end () {}
+
+ function _attach ( r ) {
+ _rS = r;
+ }
+
+ return {
+ update: _update,
+ start: _start,
+ end: _end,
+ attach: _attach,
+ values: _values,
+ groups: _groups,
+ fractions: _fractions
+ };
+
+};
+
+if (typeof module === 'object') {
+ module.exports = {
+ glStats: window.glStats,
+ threeStats: window.threeStats,
+ BrowserStats: window.BrowserStats
+ };
+}
+
+},{}],202:[function(_dereq_,module,exports){
+// performance.now() polyfill from https://gist.github.com/paulirish/5438650
+'use strict';
+
+( function () {
+
+ if ( 'performance' in window == false ) {
+ window.performance = {};
+ }
+
+ var performance = window.performance;
+
+ if ( 'now' in performance == false ) {
+
+ var nowOffset = Date.now();
+
+ if ( performance.timing && performance.timing.navigationStart ) {
+ nowOffset = performance.timing.navigationStart;
+ }
+
+ performance.now = function now () {
+ return Date.now() - nowOffset;
+ };
+
+ }
+
+ if( !performance.mark ) {
+ performance.mark = function(){}
+ }
+
+ if( !performance.measure ) {
+ performance.measure = function(){}
+ }
+
+} )();
+
+window.rStats = function rStats ( settings ) {
+
+ function iterateKeys ( array, callback ) {
+ var keys = Object.keys( array );
+ for ( var j = 0, l = keys.length; j < l; j++ ) {
+ callback( keys[ j ] );
+ }
+ }
+
+ function importCSS ( url ) {
+
+ var element = document.createElement( 'link' );
+ element.href = url;
+ element.rel = 'stylesheet';
+ element.type = 'text/css';
+ document.getElementsByTagName( 'head' )[ 0 ].appendChild( element );
+
+ }
+
+ var _settings = settings || {};
+ var _colours = _settings.colours || [ '#850700', '#c74900', '#fcb300', '#284280', '#4c7c0c' ];
+
+ var _cssFont = 'https://fonts.googleapis.com/css?family=Roboto+Condensed:400,700,300';
+ var _cssRStats = ( _settings.CSSPath ? _settings.CSSPath : '' ) + 'rStats.css';
+
+ var _css = _settings.css || [ _cssFont, _cssRStats ];
+ _css.forEach(function (uri) {
+ importCSS( uri );
+ });
+
+ if ( !_settings.values ) _settings.values = {};
+
+ var _base, _div, _elHeight = 10, _elWidth = 200;
+ var _perfCounters = {};
+
+
+ function Graph ( _dom, _id, _defArg ) {
+
+ var _def = _defArg || {};
+ var _canvas = document.createElement( 'canvas' ),
+ _ctx = _canvas.getContext( '2d' ),
+ _max = 0,
+ _current = 0;
+
+ var c = _def.color ? _def.color : '#666666';
+
+ var _dotCanvas = document.createElement( 'canvas' ),
+ _dotCtx = _dotCanvas.getContext( '2d' );
+ _dotCanvas.width = 1;
+ _dotCanvas.height = 2 * _elHeight;
+ _dotCtx.fillStyle = '#444444';
+ _dotCtx.fillRect( 0, 0, 1, 2 * _elHeight );
+ _dotCtx.fillStyle = c;
+ _dotCtx.fillRect( 0, _elHeight, 1, _elHeight );
+ _dotCtx.fillStyle = '#ffffff';
+ _dotCtx.globalAlpha = 0.5;
+ _dotCtx.fillRect( 0, _elHeight, 1, 1 );
+ _dotCtx.globalAlpha = 1;
+
+ var _alarmCanvas = document.createElement( 'canvas' ),
+ _alarmCtx = _alarmCanvas.getContext( '2d' );
+ _alarmCanvas.width = 1;
+ _alarmCanvas.height = 2 * _elHeight;
+ _alarmCtx.fillStyle = '#444444';
+ _alarmCtx.fillRect( 0, 0, 1, 2 * _elHeight );
+ _alarmCtx.fillStyle = '#b70000';
+ _alarmCtx.fillRect( 0, _elHeight, 1, _elHeight );
+ _alarmCtx.globalAlpha = 0.5;
+ _alarmCtx.fillStyle = '#ffffff';
+ _alarmCtx.fillRect( 0, _elHeight, 1, 1 );
+ _alarmCtx.globalAlpha = 1;
+
+ function _init () {
+
+ _canvas.width = _elWidth;
+ _canvas.height = _elHeight;
+ _canvas.style.width = _canvas.width + 'px';
+ _canvas.style.height = _canvas.height + 'px';
+ _canvas.className = 'rs-canvas';
+ _dom.appendChild( _canvas );
+
+ _ctx.fillStyle = '#444444';
+ _ctx.fillRect( 0, 0, _canvas.width, _canvas.height );
+
+ }
+
+ function _draw ( v, alarm ) {
+ _current += ( v - _current ) * 0.1;
+ _max *= 0.99;
+ if ( _current > _max ) _max = _current;
+ _ctx.drawImage( _canvas, 1, 0, _canvas.width - 1, _canvas.height, 0, 0, _canvas.width - 1, _canvas.height );
+ if ( alarm ) {
+ _ctx.drawImage( _alarmCanvas, _canvas.width - 1, _canvas.height - _current * _canvas.height / _max - _elHeight );
+ } else {
+ _ctx.drawImage( _dotCanvas, _canvas.width - 1, _canvas.height - _current * _canvas.height / _max - _elHeight );
+ }
+ }
+
+ _init();
+
+ return {
+ draw: _draw
+ };
+
+ }
+
+ function StackGraph ( _dom, _num ) {
+
+ var _canvas = document.createElement( 'canvas' ),
+ _ctx = _canvas.getContext( '2d' );
+
+ function _init () {
+
+ _canvas.width = _elWidth;
+ _canvas.height = _elHeight * _num;
+ _canvas.style.width = _canvas.width + 'px';
+ _canvas.style.height = _canvas.height + 'px';
+ _canvas.className = 'rs-canvas';
+ _dom.appendChild( _canvas );
+
+ _ctx.fillStyle = '#444444';
+ _ctx.fillRect( 0, 0, _canvas.width, _canvas.height );
+
+ }
+
+ function _draw ( v ) {
+ _ctx.drawImage( _canvas, 1, 0, _canvas.width - 1, _canvas.height, 0, 0, _canvas.width - 1, _canvas.height );
+ var th = 0;
+ iterateKeys( v, function ( j ) {
+ var h = v[ j ] * _canvas.height;
+ _ctx.fillStyle = _colours[ j ];
+ _ctx.fillRect( _canvas.width - 1, th, 1, h );
+ th += h;
+ } );
+ }
+
+ _init();
+
+ return {
+ draw: _draw
+ };
+
+ }
+
+ function PerfCounter ( id, group ) {
+
+ var _id = id,
+ _time,
+ _value = 0,
+ _total = 0,
+ _averageValue = 0,
+ _accumValue = 0,
+ _accumStart = performance.now(),
+ _accumSamples = 0,
+ _dom = document.createElement( 'div' ),
+ _spanId = document.createElement( 'span' ),
+ _spanValue = document.createElement( 'div' ),
+ _spanValueText = document.createTextNode( '' ),
+ _def = _settings ? _settings.values[ _id.toLowerCase() ] : null,
+ _graph = new Graph( _dom, _id, _def ),
+ _started = false;
+
+ _spanId.className = 'rs-counter-id';
+ _spanId.textContent = ( _def && _def.caption ) ? _def.caption : _id;
+
+ _spanValue.className = 'rs-counter-value';
+ _spanValue.appendChild( _spanValueText );
+
+ _dom.appendChild( _spanId );
+ _dom.appendChild( _spanValue );
+ if ( group ) group.div.appendChild( _dom );
+ else _div.appendChild( _dom );
+
+ _time = performance.now();
+
+ function _average ( v ) {
+ if ( _def && _def.average ) {
+ _accumValue += v;
+ _accumSamples++;
+ var t = performance.now();
+ if ( t - _accumStart >= ( _def.avgMs || 1000 ) ) {
+ _averageValue = _accumValue / _accumSamples;
+ _accumValue = 0;
+ _accumStart = t;
+ _accumSamples = 0;
+ }
+ }
+ }
+
+ function _start () {
+ _time = performance.now();
+ if( _settings.userTimingAPI ) performance.mark( _id + '-start' );
+ _started = true;
+ }
+
+ function _end () {
+ _value = performance.now() - _time;
+ if( _settings.userTimingAPI ) {
+ performance.mark( _id + '-end' );
+ if( _started ) {
+ performance.measure( _id, _id + '-start', _id + '-end' );
+ }
+ }
+ _average( _value );
+ }
+
+ function _tick () {
+ _end();
+ _start();
+ }
+
+ function _draw () {
+ var v = ( _def && _def.average ) ? _averageValue : _value;
+ _spanValueText.nodeValue = Math.round( v * 100 ) / 100;
+ var a = ( _def && ( ( _def.below && _value < _def.below ) || ( _def.over && _value > _def.over ) ) );
+ _graph.draw( _value, a );
+ _dom.className = a ? 'rs-counter-base alarm' : 'rs-counter-base';
+
+ }
+
+ function _frame () {
+ var t = performance.now();
+ var e = t - _time;
+ _total++;
+ if ( e > 1000 ) {
+ if ( _def && _def.interpolate === false ) {
+ _value = _total;
+ } else {
+ _value = _total * 1000 / e;
+ }
+ _total = 0;
+ _time = t;
+ _average( _value );
+ }
+ }
+
+ function _set ( v ) {
+ _value = v;
+ _average( _value );
+ }
+
+ return {
+ set: _set,
+ start: _start,
+ tick: _tick,
+ end: _end,
+ frame: _frame,
+ value: function () {
+ return _value;
+ },
+ draw: _draw
+ };
+
+ }
+
+ function sample () {
+
+ var _value = 0;
+
+ function _set ( v ) {
+ _value = v;
+ }
+
+ return {
+ set: _set,
+ value: function () {
+ return _value;
+ }
+ };
+
+ }
+
+ function _perf ( idArg ) {
+
+ var id = idArg.toLowerCase();
+ if ( id === undefined ) id = 'default';
+ if ( _perfCounters[ id ] ) return _perfCounters[ id ];
+
+ var group = null;
+ if ( _settings && _settings.groups ) {
+ iterateKeys( _settings.groups, function ( j ) {
+ var g = _settings.groups[ parseInt( j, 10 ) ];
+ if ( !group && g.values.indexOf( id.toLowerCase() ) !== -1 ) {
+ group = g;
+ }
+ } );
+ }
+
+ var p = new PerfCounter( id, group );
+ _perfCounters[ id ] = p;
+ return p;
+
+ }
+
+ function _init () {
+
+ if ( _settings.plugins ) {
+ if ( !_settings.values ) _settings.values = {};
+ if ( !_settings.groups ) _settings.groups = [];
+ if ( !_settings.fractions ) _settings.fractions = [];
+ for ( var j = 0; j < _settings.plugins.length; j++ ) {
+ _settings.plugins[ j ].attach( _perf );
+ iterateKeys( _settings.plugins[ j ].values, function ( k ) {
+ _settings.values[ k ] = _settings.plugins[ j ].values[ k ];
+ } );
+ _settings.groups = _settings.groups.concat( _settings.plugins[ j ].groups );
+ _settings.fractions = _settings.fractions.concat( _settings.plugins[ j ].fractions );
+ }
+ } else {
+ _settings.plugins = {};
+ }
+
+ _base = document.createElement( 'div' );
+ _base.className = 'rs-base';
+ _div = document.createElement( 'div' );
+ _div.className = 'rs-container';
+ _div.style.height = 'auto';
+ _base.appendChild( _div );
+ document.body.appendChild( _base );
+
+ if ( !_settings ) return;
+
+ if ( _settings.groups ) {
+ iterateKeys( _settings.groups, function ( j ) {
+ var g = _settings.groups[ parseInt( j, 10 ) ];
+ var div = document.createElement( 'div' );
+ div.className = 'rs-group';
+ g.div = div;
+ var h1 = document.createElement( 'h1' );
+ h1.textContent = g.caption;
+ h1.addEventListener( 'click', function ( e ) {
+ this.classList.toggle( 'hidden' );
+ e.preventDefault();
+ }.bind( div ) );
+ _div.appendChild( h1 );
+ _div.appendChild( div );
+ } );
+ }
+
+ if ( _settings.fractions ) {
+ iterateKeys( _settings.fractions, function ( j ) {
+ var f = _settings.fractions[ parseInt( j, 10 ) ];
+ var div = document.createElement( 'div' );
+ div.className = 'rs-fraction';
+ var legend = document.createElement( 'div' );
+ legend.className = 'rs-legend';
+
+ var h = 0;
+ iterateKeys( _settings.fractions[ j ].steps, function ( k ) {
+ var p = document.createElement( 'p' );
+ p.textContent = _settings.fractions[ j ].steps[ k ];
+ p.style.color = _colours[ h ];
+ legend.appendChild( p );
+ h++;
+ } );
+ div.appendChild( legend );
+ div.style.height = h * _elHeight + 'px';
+ f.div = div;
+ var graph = new StackGraph( div, h );
+ f.graph = graph;
+ _div.appendChild( div );
+ } );
+ }
+
+ }
+
+ function _update () {
+
+ iterateKeys( _settings.plugins, function ( j ) {
+ _settings.plugins[ j ].update();
+ } );
+
+ iterateKeys( _perfCounters, function ( j ) {
+ _perfCounters[ j ].draw();
+ } );
+
+ if ( _settings && _settings.fractions ) {
+ iterateKeys( _settings.fractions, function ( j ) {
+ var f = _settings.fractions[ parseInt( j, 10 ) ];
+ var v = [];
+ var base = _perfCounters[ f.base.toLowerCase() ];
+ if ( base ) {
+ base = base.value();
+ iterateKeys( _settings.fractions[ j ].steps, function ( k ) {
+ var s = _settings.fractions[ j ].steps[ parseInt( k, 10 ) ].toLowerCase();
+ var val = _perfCounters[ s ];
+ if ( val ) {
+ v.push( val.value() / base );
+ }
+ } );
+ }
+ f.graph.draw( v );
+ } );
+ }
+
+ /*if( _height != _div.clientHeight ) {
+ _height = _div.clientHeight;
+ _base.style.height = _height + 2 * _elHeight + 'px';
+ console.log( _base.clientHeight );
+ }*/
+
+ }
+
+ _init();
+
+ return function ( id ) {
+ if ( id ) return _perf( id );
+ return {
+ element: _base,
+ update: _update
+ };
+ };
+
+}
+
+if (typeof module === 'object') {
+ module.exports = window.rStats;
+}
+
+},{}],203:[function(_dereq_,module,exports){
+/*
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var Util = {};
+
+Util.base64 = function(mimeType, base64) {
+ return 'data:' + mimeType + ';base64,' + base64;
+};
+
+Util.isMobile = function() {
+ var check = false;
+ (function(a){if(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4)))check = true})(navigator.userAgent||navigator.vendor||window.opera);
+ return check;
+};
+
+Util.isIOS = function() {
+ return /(iPad|iPhone|iPod)/g.test(navigator.userAgent);
+};
+
+Util.isIFrame = function() {
+ try {
+ return window.self !== window.top;
+ } catch (e) {
+ return true;
+ }
+};
+
+Util.appendQueryParameter = function(url, key, value) {
+ // Determine delimiter based on if the URL already GET parameters in it.
+ var delimiter = (url.indexOf('?') < 0 ? '?' : '&');
+ url += delimiter + key + '=' + value;
+ return url;
+};
+
+// From http://goo.gl/4WX3tg
+Util.getQueryParameter = function(name) {
+ name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
+ var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
+ results = regex.exec(location.search);
+ return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
+};
+
+Util.isLandscapeMode = function() {
+ return (window.orientation == 90 || window.orientation == -90);
+};
+
+
+module.exports = Util;
+
+},{}],204:[function(_dereq_,module,exports){
+/*
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var Util = _dereq_('./util.js');
+
+/**
+ * Android and iOS compatible wakelock implementation.
+ *
+ * Refactored thanks to dkovalev@.
+ */
+function AndroidWakeLock() {
+ var video = document.createElement('video');
+
+ video.addEventListener('ended', function() {
+ video.play();
+ });
+
+ this.request = function() {
+ if (video.paused) {
+ // Base64 version of videos_src/no-sleep-60s.webm.
+ video.src = Util.base64('video/webm', 'GkXfowEAAAAAAAAfQoaBAUL3gQFC8oEEQvOBCEKChHdlYm1Ch4ECQoWBAhhTgGcBAAAAAAAH4xFNm3RALE27i1OrhBVJqWZTrIHfTbuMU6uEFlSua1OsggEwTbuMU6uEHFO7a1OsggfG7AEAAAAAAACkAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAVSalmAQAAAAAAAEUq17GDD0JATYCNTGF2ZjU2LjQwLjEwMVdBjUxhdmY1Ni40MC4xMDFzpJAGSJTMbsLpDt/ySkipgX1fRImIQO1MAAAAAAAWVK5rAQAAAAAAADuuAQAAAAAAADLXgQFzxYEBnIEAIrWcg3VuZIaFVl9WUDmDgQEj44OEO5rKAOABAAAAAAAABrCBsLqBkB9DtnUBAAAAAAAAo+eBAKOmgQAAgKJJg0IAAV4BHsAHBIODCoAACmH2MAAAZxgz4dPSTFi5JACjloED6ACmAECSnABMQAADYAAAWi0quoCjloEH0ACmAECSnABNwAADYAAAWi0quoCjloELuACmAECSnABNgAADYAAAWi0quoCjloEPoACmAECSnABNYAADYAAAWi0quoCjloETiACmAECSnABNIAADYAAAWi0quoAfQ7Z1AQAAAAAAAJTnghdwo5aBAAAApgBAkpwATOAAA2AAAFotKrqAo5aBA+gApgBAkpwATMAAA2AAAFotKrqAo5aBB9AApgBAkpwATIAAA2AAAFotKrqAo5aBC7gApgBAkpwATEAAA2AAAFotKrqAo5aBD6AApgDAkpwAQ2AAA2AAAFotKrqAo5aBE4gApgBAkpwATCAAA2AAAFotKrqAH0O2dQEAAAAAAACU54Iu4KOWgQAAAKYAQJKcAEvAAANgAABaLSq6gKOWgQPoAKYAQJKcAEtgAANgAABaLSq6gKOWgQfQAKYAQJKcAEsAAANgAABaLSq6gKOWgQu4AKYAQJKcAEqAAANgAABaLSq6gKOWgQ+gAKYAQJKcAEogAANgAABaLSq6gKOWgROIAKYAQJKcAEnAAANgAABaLSq6gB9DtnUBAAAAAAAAlOeCRlCjloEAAACmAECSnABJgAADYAAAWi0quoCjloED6ACmAECSnABJIAADYAAAWi0quoCjloEH0ACmAMCSnABDYAADYAAAWi0quoCjloELuACmAECSnABI4AADYAAAWi0quoCjloEPoACmAECSnABIoAADYAAAWi0quoCjloETiACmAECSnABIYAADYAAAWi0quoAfQ7Z1AQAAAAAAAJTngl3Ao5aBAAAApgBAkpwASCAAA2AAAFotKrqAo5aBA+gApgBAkpwASAAAA2AAAFotKrqAo5aBB9AApgBAkpwAR8AAA2AAAFotKrqAo5aBC7gApgBAkpwAR4AAA2AAAFotKrqAo5aBD6AApgBAkpwAR2AAA2AAAFotKrqAo5aBE4gApgBAkpwARyAAA2AAAFotKrqAH0O2dQEAAAAAAACU54J1MKOWgQAAAKYAwJKcAENgAANgAABaLSq6gKOWgQPoAKYAQJKcAEbgAANgAABaLSq6gKOWgQfQAKYAQJKcAEagAANgAABaLSq6gKOWgQu4AKYAQJKcAEaAAANgAABaLSq6gKOWgQ+gAKYAQJKcAEZAAANgAABaLSq6gKOWgROIAKYAQJKcAEYAAANgAABaLSq6gB9DtnUBAAAAAAAAlOeCjKCjloEAAACmAECSnABF4AADYAAAWi0quoCjloED6ACmAECSnABFwAADYAAAWi0quoCjloEH0ACmAECSnABFoAADYAAAWi0quoCjloELuACmAECSnABFgAADYAAAWi0quoCjloEPoACmAMCSnABDYAADYAAAWi0quoCjloETiACmAECSnABFYAADYAAAWi0quoAfQ7Z1AQAAAAAAAJTngqQQo5aBAAAApgBAkpwARUAAA2AAAFotKrqAo5aBA+gApgBAkpwARSAAA2AAAFotKrqAo5aBB9AApgBAkpwARQAAA2AAAFotKrqAo5aBC7gApgBAkpwARQAAA2AAAFotKrqAo5aBD6AApgBAkpwAROAAA2AAAFotKrqAo5aBE4gApgBAkpwARMAAA2AAAFotKrqAH0O2dQEAAAAAAACU54K7gKOWgQAAAKYAQJKcAESgAANgAABaLSq6gKOWgQPoAKYAQJKcAESAAANgAABaLSq6gKOWgQfQAKYAwJKcAENgAANgAABaLSq6gKOWgQu4AKYAQJKcAERgAANgAABaLSq6gKOWgQ+gAKYAQJKcAERAAANgAABaLSq6gKOWgROIAKYAQJKcAEQgAANgAABaLSq6gB9DtnUBAAAAAAAAlOeC0vCjloEAAACmAECSnABEIAADYAAAWi0quoCjloED6ACmAECSnABEAAADYAAAWi0quoCjloEH0ACmAECSnABD4AADYAAAWi0quoCjloELuACmAECSnABDwAADYAAAWi0quoCjloEPoACmAECSnABDoAADYAAAWi0quoCjloETiACmAECSnABDgAADYAAAWi0quoAcU7trAQAAAAAAABG7j7OBALeK94EB8YIBd/CBAw==');
+ video.play();
+ }
+ };
+
+ this.release = function() {
+ video.pause();
+ video.src = '';
+ };
+}
+
+function iOSWakeLock() {
+ var timer = null;
+
+ this.request = function() {
+ if (!timer) {
+ timer = setInterval(function() {
+ window.location.href = '/';
+ setTimeout(window.stop, 0);
+ }, 15000);
+ }
+ }
+
+ this.release = function() {
+ if (timer) {
+ clearInterval(timer);
+ timer = null;
+ }
+ }
+}
+
+
+function getWakeLock() {
+ var userAgent = navigator.userAgent || navigator.vendor || window.opera;
+ if (userAgent.match(/iPhone/i) || userAgent.match(/iPod/i)) {
+ return iOSWakeLock;
+ } else {
+ return AndroidWakeLock;
+ }
+}
+
+module.exports = getWakeLock();
+
+},{"./util.js":203}]},{},[171])(171)
+});
+//# sourceMappingURL=aframe-master.js.map
diff --git a/src/room.js b/src/room.js
index d6e4fe75e..5f01eb29b 100644
--- a/src/room.js
+++ b/src/room.js
@@ -3,7 +3,7 @@ import queryString from "query-string";
import { patchWebGLRenderingContext } from "./utils/webgl";
patchWebGLRenderingContext();
-import "aframe";
+import "aframe-xr";
import "./vendor/GLTFLoader";
import "networked-aframe";
import "naf-janus-adapter";
diff --git a/src/utils/webgl.js b/src/utils/webgl.js
index 483454b39..b9cbe9c6c 100644
--- a/src/utils/webgl.js
+++ b/src/utils/webgl.js
@@ -1,4 +1,3 @@
-import AFRAME from "aframe";
const THREE = AFRAME.THREE;
function checkFloatTextureSupport() {
diff --git a/templates/room.hbs b/templates/room.hbs
index 63c3f90db..d3df458b3 100644
--- a/templates/room.hbs
+++ b/templates/room.hbs
@@ -11,6 +11,7 @@
<link rel="stylesheet" href="{{asset "room.css"}}">
<script>window.CONFIG = {{toJSON config.global}};</script>
+ <script src="{{asset "assets/aframe.js" }}"></script>
<script src="{{asset "manifest.js" }}"></script>
<script src="{{asset "room-vendor.js" }}"></script>
<script src="{{asset "room.js" }}"></script>
@@ -179,12 +180,14 @@
id="meeting-space"
cached-gltf-model="#meeting-space1-mesh"
position="0 0 0"
+ xr="ar: false"
></a-entity>
<a-entity
id="outdoor-facade"
cached-gltf-model="#outdoor-facade-mesh"
position="0 0 0"
+ xr="ar: false"
></a-entity>
<a-entity
@@ -192,6 +195,7 @@
cached-gltf-model="#floor-nav-mesh"
visible="false"
position="0 0 0"
+ xr="ar: false"
></a-entity>
<a-entity
@@ -199,6 +203,7 @@
cached-gltf-model="#cliff-vista-mesh"
layers="reflection:true"
position="0 0 0"
+ xr="ar: false"
></a-entity>
<a-entity id="skybox"
@@ -207,6 +212,7 @@
skybox="azimuth:0.280; inclination:0.440"
light="type: ambient; color: #FFF"
layers="reflection:true"
+ xr="ar: false"
></a-entity>
<a-entity
@@ -214,6 +220,7 @@
water="normalMap:#water-normal-map"
rotation="-90 0 0"
position="0 -88.358 -332.424"
+ xr="ar: false"
></a-entity>
</a-scene>
diff --git a/yarn.lock b/yarn.lock
index 43c586523..4b17124ad 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -82,6 +82,12 @@ aframe-template-component@3.2.1:
dependencies:
es6-template-strings "^2.0.0"
+aframe-xr@^0.0.8:
+ version "0.0.8"
+ resolved "https://registry.yarnpkg.com/aframe-xr/-/aframe-xr-0.0.8.tgz#6ac0f03f723e7986cc9868eaf4c7c04d43ea025a"
+ dependencies:
+ three.xr.js "0.1.7"
+
"aframe@https://github.com/robertlong/aframe#fix-increasing-offset":
version "0.7.0"
resolved "https://github.com/robertlong/aframe#7046bdec8539cde9eec261dd48b5d4e2bbd2b722"
@@ -5623,6 +5629,10 @@ three-to-cannon@^1.1.1:
version "1.1.2"
resolved "https://registry.yarnpkg.com/three-to-cannon/-/three-to-cannon-1.1.2.tgz#b0040b893b2fa5f0e8a0aedf58bc90fc07f137aa"
+three.xr.js@0.1.7:
+ version "0.1.7"
+ resolved "https://registry.yarnpkg.com/three.xr.js/-/three.xr.js-0.1.7.tgz#0180f50a12ece0b26fa839f7c08af67d8f52d5b7"
+
three@^0.87.0:
version "0.87.1"
resolved "https://registry.yarnpkg.com/three/-/three-0.87.1.tgz#466a34edc4543459ced9b9d7d276b65216fe2ba8"
--
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