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


			
				
					
						
						
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							<!DOCTYPE HTML>
<html lang="en">
	<head>
		<title>three.js canvas - point light</title>
		<meta charset="utf-8">
		<style type="text/css">
			body {
				background-color: #000000;
				margin: 0px;
				overflow: hidden;
			}

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

			a {
				color: #ff0080;
				text-decoration: none;
			}

			a:hover {
				color: #0080ff;
			}
		</style>
	</head>
	<body>

		<div id="container"></div>
		<div id="info">
			<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - point lights demo.<br />
			Walt Disney head by <a href="http://www.davidoreilly.com/2009/01/walt-disneys-head-on-a-plate" target="_blank">David OReilly</a>
		</div>

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

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

		<script type="text/javascript">

			var camera, scene, renderer,
			particle1, particle2, particle2,
			light1, light2, light3,
			mesh;

			init();
			animate();

			function init() {

				var container = document.getElementById( 'container' );

				camera = new THREE.Camera( 65, window.innerWidth / window.innerHeight, 1, 1000 );
				camera.position.z = 100;

				scene = new THREE.Scene();

				scene.add( new THREE.AmbientLight( 0x00020 ) );

				light1 = new THREE.PointLight( 0xff0040, 1, 50 );
				scene.add( light1 );

				light2 = new THREE.PointLight( 0x0040ff, 1, 50 );
				scene.add( light2 );

				light3 = new THREE.PointLight( 0x80ff80, 1, 50 );
				scene.add( light3 );

				var PI2 = Math.PI * 2;
				var program = function ( context ) {

					context.beginPath();
					context.arc( 0, 0, 1, 0, PI2, true );
					context.closePath();
					context.fill();

				}

				particle1 = new THREE.Particle( new THREE.ParticleCanvasMaterial( { color: 0xff0040, program: program } ) );
				particle1.scale.x = particle1.scale.y = particle1.scale.z = 0.5;
				scene.add( particle1 );

				particle2 = new THREE.Particle( new THREE.ParticleCanvasMaterial( { color: 0x0040ff, program: program } ) );
				particle2.scale.x = particle2.scale.y = particle2.scale.z = 0.5;
				scene.add( particle2 );

				particle3 = new THREE.Particle( new THREE.ParticleCanvasMaterial( { color: 0x80ff80, program: program } ) );
				particle3.scale.x = particle3.scale.y = particle3.scale.z = 0.5;
				scene.add( particle3 );

				mesh = new THREE.Mesh( new WaltHead(), new THREE.MeshLambertMaterial( { color: 0xffffff, shading: THREE.FlatShading } ) );
				mesh.overdraw = true;
				scene.add( mesh );

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

			}

			//

			function animate() {

				requestAnimationFrame( animate );
				render();

			}

			function render() {

				var time = new Date().getTime() * 0.0005;

				mesh.rotation.y -= 0.01;

				particle1.position.x = Math.sin( time * 0.7 ) * 30;
				particle1.position.y = Math.cos( time * 0.5 ) * 40;
				particle1.position.z = Math.cos( time * 0.3 ) * 30;

				light1.position.x = particle1.position.x;
				light1.position.y = particle1.position.y;
				light1.position.z = particle1.position.z;

				particle2.position.x = Math.cos( time * 0.3 ) * 30;
				particle2.position.y = Math.sin( time * 0.5 ) * 40;
				particle2.position.z = Math.sin( time * 0.7 ) * 30;

				light2.position.x = particle2.position.x;
				light2.position.y = particle2.position.y;
				light2.position.z = particle2.position.z;

				particle3.position.x = Math.sin( time * 0.7 ) * 30;
				particle3.position.y = Math.cos( time * 0.3 ) * 40;
				particle3.position.z = Math.sin( time * 0.5 ) * 30;

				light3.position.x = particle3.position.x;
				light3.position.y = particle3.position.y;
				light3.position.z = particle3.position.z;

				renderer.render( scene, camera );

			}

		</script>
	</body>
</html>