javascript
/
three.js
mirror of https://github.com/tazdij/three.js.git


			
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							<!DOCTYPE HTML>
<html lang="en">
	<head>
		<title>three.js - webgl fresnel</title>
		<meta charset="utf-8">
		<style type="text/css">
			body {
				background:#fff;
				padding:0;
				margin:0;
				font-weight: bold;
				overflow:hidden;
			}

			#info {
				position: absolute;
				top: 0px; width: 100%;
				color: #ffffff;
				padding: 5px;
				font-family:Monospace;
				font-size:13px;
				text-align:center;
				z-index:1000; 
			}

			a {
				color: #ffffff;
			}
			#log { position:absolute; top:50px; text-align:left; display:block; z-index:100 }
		</style>
	</head>

	<body>
		<pre id="log"></pre>
		
		<div id="info"><a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - webgl cube Fresnel shader demo. texture by <a href="http://www.humus.name/index.php?page=Textures" target="_blank">Humus</a> </div>

		<script type="text/javascript" src="../build/ThreeExtras.js"></script> 

		<!--
		<script type="text/javascript" src="js/Stats.js"></script>
		-->
		
		<script type="text/javascript">

			var statsEnabled = false;

			var container, stats;

			var camera, scene, webglRenderer;
			var cameraCube, sceneCube;

			var mesh, zmesh, lightMesh, geometry;

			var directionalLight, pointLight;

			var mouseX = 0;
			var mouseY = 0;

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

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

			init();
			setInterval( loop, 1000 / 60 );

			function init() {

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

				camera = new THREE.Camera( 60, window.innerWidth / window.innerHeight, 1, 100000 );
				camera.position.z = 3200;

				cameraCube = new THREE.Camera( 60, window.innerWidth / window.innerHeight, 1, 100000 );

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

				var geometry = new THREE.Geometry();
				var sphere = new THREE.Mesh( new Sphere( 100, 32, 16 ) );

				for ( var i = 0; i < 200; i ++ ) {

					sphere.position.x = Math.random() * 10000 - 5000;
					sphere.position.y = Math.random() * 10000 - 5000;
					sphere.position.z = Math.random() * 10000 - 5000;
					sphere.scale.x = sphere.scale.y = sphere.scale.z = Math.random() * 4 + 1;

					// Merging spheres in a single geometry
					GeometryUtils.merge( geometry, sphere );
					
				}

				var path = "textures/cube/Park2/";
				var format = '.jpg';
				var urls = [
						path + 'posx' + format, path + 'negx' + format,
						path + 'posy' + format, path + 'negy' + format,
						path + 'posz' + format, path + 'negz' + format
					];


				var images = ImageUtils.loadArray( urls );
				var textureCube = new THREE.TextureCube( images );
				
				var fragment_shader = ShaderUtils.lib["fresnel"].fragment_shader;
				var vertex_shader = ShaderUtils.lib["fresnel"].vertex_shader;
				var uniforms = ShaderUtils.lib["fresnel"].uniforms;
				
				uniforms["tCube"][2] = textureCube;
				
				var material = new THREE.MeshShaderMaterial( { fragment_shader: fragment_shader, 
															   vertex_shader: vertex_shader, 
															   uniforms: uniforms
															} );

				var mesh = new THREE.Mesh( geometry, material );
				mesh.position.x = 100;
				scene.addObject( mesh );

				SceneUtils.addPanoramaCubeWebGL( sceneCube, 100000, textureCube );

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

				if ( statsEnabled ) {

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

				}

			}

			function onDocumentMouseMove(event) {

				mouseX = ( event.clientX - windowHalfX ) * 10;
				mouseY = ( event.clientY - windowHalfY ) * 10;

			}

			function loop() {

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

				cameraCube.target.position.x = - camera.position.x;
				cameraCube.target.position.y = - camera.position.y;
				cameraCube.target.position.z = - camera.position.z;

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

				if ( statsEnabled ) stats.update();

			}

			function log( text ) {

				var e = document.getElementById("log");
				e.innerHTML = text + "<br/>" + e.innerHTML;

			}

		</script>

	</body>
</html>