javascript
/
three.js
cermin dari https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE HTML>
<html lang="en">
	<head>
		<title>three.js - cube map WebGL</title>
		<meta charset="utf-8">
		<style type="text/css">
			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; position:relative; }
			#log { position:absolute; top:50px; text-align:left; display:block; z-index:100 }
			#d { text-align:center; margin:1em 0 -7.5em 0; z-index:1000; position:relative; display:block }
			.button { background:orange; color:#fff; padding:0.2em 0.5em; cursor:pointer }
			.inactive { background:#999; color:#eee }
		</style>
	</head>
	
	<body>
		<div id="d">
			<p><a href="http://github.com/mrdoob/three.js">Three.js</a> cube mapping demo

			<p>Walt Disney head by <a href="http://www.davidoreilly.com/2009/01/walt-disneys-head-on-a-plate" target="_blank">David OReilly</a>
			<p>Texture by <a href="http://www.humus.name/index.php?page=Textures" target="_blank">Humus</a>
		</div>
		
		<pre id="log"></pre>

		<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/io/Loader.js"></script>

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

		<script type="text/javascript">

			var SCREEN_WIDTH = window.innerWidth;
			var SCREEN_HEIGHT = window.innerHeight;
			var FLOOR = -250;

			var container;
			var stats;

			var camera;
			var scene;
			var webglRenderer;

			var mesh, zmesh, lightMesh, geometry;
			
			var directionalLight, pointLight;
			
			var mouseX = 0;
			var mouseY = 0;

			var windowHalfX = window.innerWidth >> 1;
			var windowHalfY = window.innerHeight >> 1;
			
			document.addEventListener('mousemove', onDocumentMouseMove, false);

			init();
			
			loop();
			
			setInterval(loop, 1000/60);
			
			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;
				mesh.overdraw = true;
				mesh.updateMatrix();
				scene.addObject(mesh);
				
			}
			
			function init() {

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

				camera = new THREE.Camera( 50, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 100000 );
				camera.position.z = 2000;
				camera.updateMatrix();

				scene = new THREE.Scene();

				// LIGHTS

				var ambient = new THREE.AmbientLight( 0x101010 );
				scene.addLight( ambient );

				directionalLight = new THREE.DirectionalLight( 0xffffff, 1.0 );
				directionalLight.position.x = 1;
				directionalLight.position.y = 1;
				directionalLight.position.z = 2;
				directionalLight.position.normalize();
				scene.addLight( directionalLight );

				pointLight = new THREE.PointLight( 0xffffff );
				pointLight.position.x = 0;
				pointLight.position.y = 0;
				pointLight.position.z = 0;
				scene.addLight( pointLight );

				// light representation
				sphere = new Sphere( 100, 16, 8, 1 );
				lightMesh = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color:0xffaa00 } ) );
				lightMesh.scale.x = lightMesh.scale.y = lightMesh.scale.z = 0.05;
				lightMesh.position = pointLight.position;
				lightMesh.overdraw = true;
				lightMesh.updateMatrix();
				scene.addObject(lightMesh);

				// material samples
				var r = "textures/cube/SwedishRoyalCastle/";
				
				var urls = [ r + "px.jpg", r + "nx.jpg", 
							 r + "py.jpg", r + "ny.jpg", 
							 r + "pz.jpg", r + "nz.jpg" ];
				
				var images = loadImageArray( urls );
				
				var cubeMaterial3 = new THREE.MeshLambertMaterial( { color: 0xffaa00, env_map: new THREE.TextureCube( images ) } );
				var cubeMaterial2 = new THREE.MeshLambertMaterial( { color: 0xffee00, env_map: new THREE.TextureCube( images ) } );
				var cubeMaterial1 = new THREE.MeshLambertMaterial( { color: 0xffffff, env_map: new THREE.TextureCube( images ) } )
				
				var plane = new Plane( 100, 100 );
				
				addMesh( plane, 40,     0, 0,  -2000, 0,    0,0, new THREE.MeshBasicMaterial( { map: new THREE.Texture( images[5] ) } )  );
				addMesh( plane, 40, -2000, 0,      0, 0, 1.57,0, new THREE.MeshBasicMaterial( { map: new THREE.Texture( images[0] ) } )  );
				addMesh( plane, 40,  2000, 0,      0, 0,-1.57,0, new THREE.MeshBasicMaterial( { map: new THREE.Texture( images[1] ) } )  );
				addMesh( plane, 40,     0, 2000,   0, 1.57, 0,0, new THREE.MeshBasicMaterial( { map: new THREE.Texture( images[2] ) } )  );
				addMesh( plane, 40,     0, -2000,  0, -1.57,0,0, new THREE.MeshBasicMaterial( { map: new THREE.Texture( images[3] ) } )  );
				
				webglRenderer = new THREE.WebGLRenderer( scene );
				webglRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
				container.appendChild( webglRenderer.domElement );

				stats = new Stats();
				stats.domElement.style.position = 'absolute';
				stats.domElement.style.top = '0px';
				stats.domElement.style.zIndex = 100;
				container.appendChild( stats.domElement );
				
				var loader = new THREE.Loader();
				loader.loadBinary( "obj/walt/WaltHead_bin.js", function( geometry ) { createScene( geometry, cubeMaterial1, cubeMaterial2, cubeMaterial3 ) }, "obj/walt" );

			}

			function createScene( geometry, m1, m2, m3 ) {
				
				var s = 15;
				
				addMesh( geometry, s,      0, 0, -100, 0,0,0, m1 );
				addMesh( geometry, s,   -900, 0, -100, 0,0,0, m2 );
				addMesh( geometry, s,    900, 0, -100, 0,0,0, m3 );

			}

			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 );
				mouseY = ( event.clientY - windowHalfY );

			}

			var r = 0;
			
			function loop() {

				camera.position.x += ( mouseX - camera.position.x ) * .05;
				camera.position.y += ( - mouseY - camera.position.y ) * .05;
				camera.updateMatrix();
							
				lightMesh.position.x = 1500*Math.cos(r);
				lightMesh.position.z = 1500*Math.sin(r);
				lightMesh.updateMatrix();

				r += 0.01;
				
				webglRenderer.render( scene, camera );

				stats.update();

			}

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

	</body>
</html>