Three
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - interactive - buffergeometry</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<style>
			body {
				color: #cccccc;
				font-family:Monospace;
				font-size:13px;
				text-align:center;

				background-color: #050505;
				margin: 0px;
				overflow: hidden;
			}

			#info {
				position: absolute;
				top: 0px; width: 100%;
				padding: 5px;
			}

			a {

				color: #0080ff;
			}

		</style>
	</head>
	<body>

		<div id="container"></div>

		<script src="../build/three.js"></script>
        <script src="js/controls/OrbitControls.js"></script>
		<script src="js/Detector.js"></script>
		<script src="js/libs/dat.gui.min.js"></script>
		<script src="js/libs/stats.min.js"></script>

		<script>

			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();

			var container, stats;

			var camera, controls, scene, renderer;


			var mesh;

			init();
			animate();

			function init() {

				container = document.getElementById( 'container' );

				//
				 
				camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, .1, 2000000 );

				scene = new THREE.Scene();

				//

				scene.add( new THREE.AmbientLight( 0x999999 ) );

				// var light1 = new THREE.DirectionalLight( 0xffffff, 0.5 );
				// light1.position.set( 1, 1, 1 );
				// scene.add( light1 );

				// var light2 = new THREE.DirectionalLight( 0xffffff, 1.5 );
				// light2.position.set( 0, -1, 0 );
				// scene.add( light2 );

				//

                
               var shader = {
                    uniforms: {
                        "b":{type:'f',value:null},
                        "tex":{type:'t',value:null}
                    },
                    vertexShader: ` 
                        precision highp float; 
                        varying vec2 tc;
                        attribute vec4 position;
                        void main(){
                           gl_Position=position;
                           tc=vec2(0.5,0.5/8.0)*position.xy+vec2(0.5,6.5/8.0); 
						}
                    `
					,
                    fragmentShader: `
                        precision highp float;
                        varying vec2 tc;
                        uniform sampler2D tex;
                        uniform float b;
                        void main(){
                           vec4 s=texture2D(tex,tc); 
                           //gl_FragColor.xyz=s.xyz*(b*s.w);
						   gl_FragColor= vec4(s.xyz*(b*s.w), 1.0);
                        }
                   `
				};
				
				var material;
                var positions = new Float32Array([-1, -1, 0.5, 1,   3, -1, 0.5, 1,   -1, 3, 0.5, 1]);
				//var indexes = new Uint16Array([0,1,2]);
				var geometry = new THREE.BufferGeometry();
 				geometry.addAttribute( 'position', new THREE.BufferAttribute( positions, 4 ) );
				//geometry.setIndex(new THREE.BufferAttribute(indexes, 1))
				//geometry.computeBoundingSphere();
                //var m = new THREE.Mesh( geometry, new THREE.MeshBasicMaterial( { side:2  } ) );
				//scene.add(m)
				
				
                new THREE.TextureLoader().load( 'textures/sky.png', function ( texture ) {
                    material = new THREE.RawShaderMaterial( {
                        uniforms: shader.uniforms,
                        vertexShader: shader.vertexShader,
                        fragmentShader: shader.fragmentShader,
						side:2
                    } );
     
                    material.uniforms.b.value = 7 * Math.sqrt(0.488874);
                    material.uniforms.tex.value = texture;
					mesh = new THREE.Mesh( geometry, material );
					mesh.position.set(0,5,0);
					scene.add( mesh );

                }.bind(this)); 

                // this.material = new RawShaderMaterial( {
                //     uniforms: shader.uniforms,
                //     vertexShader: shader.vertexShader,
                //     fragmentShader: shader.fragmentShader
                // } );

                //this.material.uniforms.b.value = 7 * Math.sqrt(0.488874);//7 * Math.sqrt(this.backgroundBrightness))
				//
				var texture1 = new THREE.TextureLoader().load( 'textures/crate.gif');
				var geometry1 = new THREE.BoxBufferGeometry( .5, .5, .5 );
				var material1 = new THREE.MeshBasicMaterial( { map: texture1  } );

				mesh1 = new THREE.Mesh( geometry1, material1 );
				scene.add( mesh1 );

				renderer = new THREE.WebGLRenderer({ antialias: true });
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				container.appendChild( renderer.domElement );

                controls = new THREE.OrbitControls( camera, renderer.domElement );
				controls.target.set( 0, 0, 0 );
				controls.update();
				//controls.enableDamping = true;

				initGUI();

				stats = new Stats();
				container.appendChild( stats.dom );

				window.addEventListener( 'resize', onWindowResize, false );

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );


			}
 
			function animate() {
				requestAnimationFrame( animate );
				renderer.render( scene, camera );
				//controls.update();
			}
	

			function initGUI(){

				function guiChanged() {
					camera.position.set( effectController.cameraPositionX, effectController.cameraPositionY, effectController.cameraPositionZ);
					camera.updateProjectionMatrix();
				}
				var effectController = {
					cameraPositionX:0,
					cameraPositionY:0,
					cameraPositionZ:1
				};
				var gui = new dat.GUI();

				gui.add( effectController, "cameraPositionX", -5, 0, 0.1 ).onChange( guiChanged );
				gui.add( effectController, "cameraPositionY", -5, 0, 0.1 ).onChange( guiChanged );
				gui.add( effectController, "cameraPositionZ", -5, 1, 0.1 ).onChange( guiChanged );
				guiChanged();
			}
		</script>

	</body>
</html>