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 - sprites</title>
		<meta charset="utf-8">
		<style type="text/css">
			body {
				background:#fff;
				padding:0;
				margin:0;
				font-weight: bold;
				overflow:hidden;
			}
		</style>
	</head>

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

		<script type="text/javascript">
			var statsEnabled = true;

			var container, stats;

			var camera, scene, renderer;

			var nodeA, nodeA;
			var time = 0;

			var mouseX = 0, mouseY = 0;

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

			init();

			function init() {

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

				camera = new THREE.Camera( 60, window.innerWidth / window.innerHeight, 1, 10000 );
				camera.position.z = 1500;

				scene = new THREE.Scene();
	

				// create sprites

				var amount = 200;
				var radius = 500;
				var mapA =  ImageUtils.loadTexture( "textures/sprite0.png" );
				var mapB =  ImageUtils.loadTexture( "textures/sprite1.png" );
				
				nodeA = new THREE.Mesh( new Cube( 10, 10, 10 ), new THREE.MeshLambertMaterial( { color: 0xff0000 } ));
				
				for( var a = 0; a < amount; a++ ) {
					
					var sprite = new THREE.Sprite( { map: mapA, useScreenCoordinates: false } );
					sprite.position.set( Math.random() - 0.5, 
					                     Math.random() - 0.5,
					                     Math.random() - 0.5 );
					
					if( sprite.position.z < 0 ) {
						
						sprite.map = mapB;
						
					}
					
					sprite.position.normalize();
					sprite.position.multiplyScalar( radius );
					
					nodeA.addChild( sprite );
				}
				
				scene.addChild( nodeA );
						

				// renderer

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setClearColorHex( 0x000000, 1 );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.sortObjects = true;
				
				container.appendChild( renderer.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 );

				}

				setInterval( loop, 1000 / 60 );
			}


			function loop() {

				for( var c = 0; c < nodeA.children.length; c++ ) {
					
					var sprite = nodeA.children[ c ];
					var scale = Math.sin( time + sprite.position.x * 0.01 ) * 0.3 + 1.0;
					
					sprite.rotation += 0.1 * ( c / nodeA.children.length );
					sprite.scale.set( scale, scale, 1.0 );
					sprite.opacity = Math.sin( time + sprite.position.x * 0.01 ) * 0.4 + 0.6;
				}

				nodeA.rotation.x = time * 0.5;
				nodeA.rotation.y = time * 0.75;
				nodeA.rotation.z = time * 1.0;

				time += 0.02;

				renderer.render( scene, camera );

				if ( statsEnabled ) stats.update();

			}

			function log( text ) {

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

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