javascript
/
three.js
spiegel van https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!doctype html>
<html lang="en">
	<head>
		<title>three.js webgl - materials - cube refraction [Lucy]</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 {
				background:#000;
				color:#fff;
				padding:0;
				margin:0;
				overflow:hidden;
				font-family:georgia;
				text-align:center;
			}
			a {	color: #ff0080;	text-decoration: none; }
			a:hover { color: #0080ff; }

			canvas { pointer-events:none; z-index:10; }

			#d { text-align:center; margin:1em auto -9.5em; z-index:200; position:relative; display:block;
				background:rgba(0,0,0,0.5); padding:0.5em; width:400px; border-radius:15px; -webkit-box-shadow: 0px 0px 10px rgba(0,0,0,0.5) }

			#oldie { margin-top:15em !important }
		</style>
	</head>

	<body>
		<div id="d">
			<p><a href="http://github.com/mrdoob/three.js">Three.js</a> cube map refraction demo

			<p>Lucy model from <a href="http://graphics.stanford.edu/data/3Dscanrep/">Stanford 3d scanning repository</a>
			<p>Texture by <a href="http://www.humus.name/index.php?page=Textures" target="_blank">Humus</a>
		</div>

		<script src="../build/Three.js"></script>

		<script src="js/Detector.js"></script>
		<script src="js/Stats.js"></script>

		<script>

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

			var FLOOR = -250;

			var container, stats;

			var camera, scene, renderer;
			var cameraCube, sceneCube, cubeTarget;

			var mesh, zmesh, lightMesh, geometry;

			var loader;

			var directionalLight, pointLight;

			var mouseX = 0, mouseY = 0;

			var windowHalfX = window.innerWidth / 2;
			var windowHalfY = window.innerHeight / 2;

			init();
			animate();

			function init() {

				container = document.createElement('div');
				document.body.appendChild(container);

				scene = new THREE.Scene();
				sceneCube = new THREE.Scene();

				// CAMERAS

				camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 100000 );
				camera.position.z = 2000;

				cameraCube = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 100000 );
				cubeTarget = new THREE.Vector3( 0, 0, 0 );

				scene.add( camera );
				sceneCube.add( cameraCube );

				// LIGHTS

				var ambient = new THREE.AmbientLight( 0xffffff );
				scene.add( ambient );

				pointLight = new THREE.PointLight( 0xffffff, 2 );
				scene.add( pointLight );

				// light representation

				sphere = new THREE.SphereGeometry( 100, 16, 8 );
				lightMesh = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color:0xffaa00 } ) );
				lightMesh.position = pointLight.position;
				lightMesh.scale.x = lightMesh.scale.y = lightMesh.scale.z = 0.05;
				scene.add( lightMesh );

				// material samples

				var r = "textures/cube/Park3Med/";

				var urls = [ r + "px.jpg", r + "nx.jpg",
							 r + "py.jpg", r + "ny.jpg",
							 r + "pz.jpg", r + "nz.jpg" ];

				var textureCube = THREE.ImageUtils.loadTextureCube( urls, new THREE.CubeRefractionMapping() );

				var cubeMaterial3 = new THREE.MeshBasicMaterial( { color: 0xccddff, envMap: textureCube, refractionRatio: 0.98, reflectivity:0.9 } );
				var cubeMaterial2 = new THREE.MeshBasicMaterial( { color: 0xccfffd, envMap: textureCube, refractionRatio: 0.985 } );
				var cubeMaterial1 = new THREE.MeshBasicMaterial( { color: 0xffffff, envMap: textureCube, refractionRatio: 0.98 } )

				// Skybox

				var shader = THREE.ShaderUtils.lib[ "cube" ];
				shader.uniforms[ "tCube" ].texture = textureCube;

				var material = new THREE.ShaderMaterial( {

					fragmentShader: shader.fragmentShader,
					vertexShader: shader.vertexShader,
					uniforms: shader.uniforms,
					flipSided: true

				} ),

				mesh = new THREE.Mesh( new THREE.CubeGeometry( 100000, 100000, 100000 ), material );
				sceneCube.add( mesh );

				//

				renderer = new THREE.WebGLRenderer();
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.autoClear = false;
				container.appendChild( renderer.domElement );

				stats = new Stats();
				stats.domElement.style.position = 'absolute';
				stats.domElement.style.top = '0px';
				stats.domElement.style.zIndex = 100;
				container.appendChild( stats.domElement );

				loader = new THREE.BinaryLoader( true );
				document.body.appendChild( loader.statusDomElement );

				loader.load( 'obj/lucy/Lucy100k_bin.js', function( geometry ) { createScene( geometry, cubeMaterial1, cubeMaterial2, cubeMaterial3 ) } );

				document.addEventListener('mousemove', onDocumentMouseMove, false);

				//

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

			}

			function onWindowResize() {

				windowHalfX = window.innerWidth / 2,
				windowHalfY = window.innerHeight / 2,

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

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

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

			}

			function createScene( geometry, m1, m2, m3 ) {

				var s = 1.5, z = - 1000;

				var mesh = new THREE.Mesh( geometry, m1 );
				mesh.position.z = z;
				mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
				scene.add( mesh );

				var mesh = new THREE.Mesh( geometry, m2 );
				mesh.position.x = - 900;
				mesh.position.z = z;
				mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
				scene.add( mesh );

				var mesh = new THREE.Mesh( geometry, m3 );
				mesh.position.x = 900;
				mesh.position.z = z;
				mesh.scale.x = mesh.scale.y = mesh.scale.z = s;
				scene.add( mesh );

				loader.statusDomElement.style.display = "none";

			}

			function onDocumentMouseMove(event) {

				mouseX = ( event.clientX - windowHalfX ) * 4;
				mouseY = ( event.clientY - windowHalfY ) * 4;

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				render();
				stats.update();

			}

			function render() {

				var timer = -0.0002 * Date.now();

				camera.position.x += ( mouseX - camera.position.x ) * .05;
				camera.position.y += ( - mouseY - camera.position.y ) * .05;

				camera.lookAt( scene.position );

				cubeTarget.x = - camera.position.x;
				cubeTarget.y = - camera.position.y;
				cubeTarget.z = - camera.position.z;

				cameraCube.lookAt( cubeTarget );

				lightMesh.position.x = 1500 * Math.cos( timer );
				lightMesh.position.z = 1500 * Math.sin( timer );

				renderer.clear();
				renderer.render( sceneCube, cameraCube );
				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>