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<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r71/three.min.js"></script>
<script>
var scene = new THREE.Scene();

function Private() {

	var scene = new THREE.Scene();

	function render() {}

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// VERTEX SHADER 
 
attribute vec2 pos;
void main() {
    gl_Position = vec4(pos.xy,0.0,1.0);
}
 
// FRAGMENT SHADER 
 
#ifdef GL_ES

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##A Modest Proposal##

As per version 1.0.13 of the Shader Editor Extension, it will look for #define SHADERNAME name in both the vertex shader code and the fragment shader code.

If name is defined for both shaders, and it's the same string, the name of the program is that string, e.g.: "Shadertoy".

If only one of the two is defined, the name of the program is "vs_name / fs_name", e.g.: "Quad / Shadertoy"

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//  save camera views
const savedCamera = JSON.parse( localStorage.getItem( 'savedCamera' ) );
if( savedCamera ){
  camera.position.copy( savedCamera.cameraPosition );
  controls.target.copy( savedCamera.targetPosition );
}

document.addEventListener( 'unload', function(){
  localStorage.savedCamera = JSON.stringify({
    cameraPosition: camera.position,

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var c = document.body;
document.getElementById( 'fullscreenBtn' ).addEventListener( 'click', function( e ) {
	c.onwebkitfullscreenchange = function(e) {
		c.onwebkitfullscreenchange = function() {
		};
	};
	c.onmozfullscreenchange = function(e) {
		c.onmozfullscreenchange = function() {
		};
	};

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- panel says one station needs to update, doesn't tell which one
- i unscrew both, try one, doesn't update. try the other one, it updates
- try the second one -which didn't update before- and it updates
- screw them again
- tells me to set up the room, i do that
- tells me a controller needs update, doesn't tell me which
- try one, it doesn't update, try the other one, it updates
- tells me to set up the room again, i do it and tells me the other controller needs update
- i plug the other controller, it updates
- after all this, with exactly the same setup, it tells me some station has visibility problems, tracking is now spotty

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function hashRenderParams() {
  
  var hash;
  // hash your render values
  //e.g, camera parameters: camera.position.x + '|' + camera.position.y + '|' + camera.position.z
  return hash;
  
}

var hash = '';

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// if an invalidate mechanism is in place
// easings based on expressions might have
// a bit of zeno's paradox, in which the
// value infinitesimally converges to the
// target value

var value = 0;
var nValue = 1;

function animate() {

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var geometry = new THREE.IcosahedronGeometry( 2, 5 );

for ( var i = 0, l = geometry.faceVertexUvs[ 0 ].length; i < l; i ++ ) {

	for ( var j = 0, jl = geometry.faceVertexUvs[ 0 ][ i ].length; j < jl; j ++ ) {

		var uv = geometry.faceVertexUvs[ 0 ][ i ][ j ];

		var a = uv.y * Math.PI - Math.PI / 2;
		a = Math.sin(a);

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var canvas = document.createElement( 'canvas' );
!! ( window.WebGLRenderingContext && ( canvas.getContext( 'webgl' ) || canvas.getContext( 'experimental-webgl' ) ) );