From ddfe8dd57423b86cd10b6ca87fc48dc740d821d5 Mon Sep 17 00:00:00 2001
From: Greg Fodor <gfodor@gmail.com>
Date: Tue, 2 Oct 2018 22:55:41 +0000
Subject: [PATCH] Fix lerping to be smooth after first pass
---
src/components/scene-preview-camera.js | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/components/scene-preview-camera.js b/src/components/scene-preview-camera.js
index 46fde4498..0f3b534f9 100644
--- a/src/components/scene-preview-camera.js
+++ b/src/components/scene-preview-camera.js
@@ -29,12 +29,13 @@ AFRAME.registerComponent("scene-preview-camera", {
this.startTime = new Date().getTime();
this.backwards = false;
+ this.ranOnePass = false;
},
tick: function() {
let t = (new Date().getTime() - this.startTime) / (1000.0 * this.data.duration);
- if (!this.backwards) {
+ if (!this.ranOnePass) {
t = t * (2 - t);
} else {
t = t < 0.5 ? 2 * t * t : -1 + (4 - 2 * t) * t;
@@ -55,6 +56,7 @@ AFRAME.registerComponent("scene-preview-camera", {
}
if (t >= 0.9999) {
+ this.ranOnePass = true;
this.backwards = !this.backwards;
this.startTime = new Date().getTime();
}
--
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