init deltaR & deltaS. added disableTuneel param in README.

README.md

@@ -62,6 +62,7 @@ This will allow the CSP checks to pass that are served up by Reticulum so you ca
 - `disable_telemetry` - If `true` disables Sentry telemetry.
 - `log_filter` - A `debug` style filter for setting the logging level.
 - `debug` - If `true` performs verbose logging of Janus and NAF traffic.
+- `disableTunnel` - Tunnel vision is on by default. Disable the tunnel vision by this parameter.
 
 ## Additional Resources
 

src/systems/tunnel-effect.js

@@ -74,7 +74,7 @@ AFRAME.registerSystem("tunneleffect", {
         Math.abs(r - TARGET_RADIUS) > CLAMP_RADIUS &&
         Math.abs(softness - TARGET_SOFTNESS) > CLAMP_SOFTNESS
       ) {
-        if (this.deltaR !== 0 && this.deltaS !== 0) {
+        if (!this.deltaR && !this.deltaS) {
           this.deltaR = TARGET_RADIUS - r;
           this.deltaS = softness - TARGET_SOFTNESS;
         }