javascript
/
three.js
mirrorاز https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE HTML>
<html lang="en">
	<head>
		<title>three.js - webgl cube reflection</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;
			}
		</style>
	</head>

	<body>
		<div id="info"><a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - webgl cube reflection demo. skybox by <a href="http://www.zfight.com/" target="_blank">Jochum Skoglund</a></div>

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

		<script type="text/javascript" src="../src/extras/primitives/Sphere.js"></script>
		<script type="text/javascript" src="../src/extras/primitives/Plane.js"></script>
		<script type="text/javascript" src="../src/extras/GeometryUtils.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 r = "textures/skymap_";
				var urls = [ r + "right1024.jpg", r + "left1024.jpg", 
					 r + "top1024.jpg", r + "bottom1024.jpg", 
					 r + "front1024.jpg", r + "back1024.jpg" ];

				var images = loadImageArray( urls );
				var material = new THREE.MeshBasicMaterial( { color: 0xffffff, env_map: new THREE.TextureCube( images ) } );

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

				createCube( 100000, images );

				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 addMesh( geometry, scale, x, y, z, rx, ry, rz, material ) {

				mesh = new THREE.Mesh( geometry, material );
				mesh.scale.x = mesh.scale.y = mesh.scale.z = scale;
				mesh.position.x = x;
				mesh.position.y = y;
				mesh.position.z = z;
				mesh.rotation.x = rx;
				mesh.rotation.y = ry;
				mesh.rotation.z = rz;
				sceneCube.addObject(mesh);

			}

			function createCube( size, images ) {

				var hsize = size/2, plane = new Plane( size, size ), pi2 = Math.PI/2, pi = Math.PI;

				addMesh( plane, 1,      0,     0,  -hsize,  0,      0,  0, new THREE.MeshBasicMaterial( { map: new THREE.Texture( images[5] ) } ) );
				addMesh( plane, 1, -hsize,     0,       0,  0,    pi2,  0, new THREE.MeshBasicMaterial( { map: new THREE.Texture( images[0] ) } ) );
				addMesh( plane, 1,  hsize,     0,       0,  0,   -pi2,  0, new THREE.MeshBasicMaterial( { map: new THREE.Texture( images[1] ) } ) );
				addMesh( plane, 1,     0,  hsize,       0,  pi2,    0, pi, new THREE.MeshBasicMaterial( { map: new THREE.Texture( images[2] ) } ) );
				addMesh( plane, 1,     0, -hsize,       0, -pi2,    0, pi, new THREE.MeshBasicMaterial( { map: new THREE.Texture( images[3] ) } ) );

			}

			function loadImageArray( urls ) {

				var i, images = [];

				images.loadCount = 0;

				for ( i = 0; i < urls.length; ++i ) {

					images[i] = new Image();
					images[i].loaded = 0;
					images[i].onload = function() { images.loadCount += 1; this.loaded = 1;/*log( images.loadCount );*/ }
					images[i].src = urls[i];

				}

				return images;

			}

			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();

			}

		</script>

	</body>
</html>