javascript
/
three.js
Mirror von https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - animation - basic</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<style>
			body {
				color: #fff;
				font-family:Monospace;
				font-size:13px;
				text-align:center;

				background-color: #000;
				margin: 0px;
				overflow: hidden;
			}

			#info {
				position: absolute;
				top: 0px; width: 100%;
				padding: 5px;
			}

			a {
				color: #f00;
			}

		</style>
	</head>
	<body>

		<div id="container"></div>

		<div id="info">
			<a href="http://threejs.org" target="_blank">three.js</a> webgl - animation - basic use
		</div>

		<script src="../build/three.js"></script>
		<script src="js/loaders/collada/Animation.js"></script>
		<script src="js/loaders/collada/AnimationHandler.js"></script>
		<script src="js/loaders/collada/KeyFrameAnimation.js"></script>
		<script src="js/Detector.js"></script>
		<script src="js/libs/stats.min.js"></script>

		<script>

			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();

			var stats, clock;
			var scene, camera, renderer;

			function init() {

				scene = new THREE.Scene();

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

				//

				camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 1000 );
				camera.position.set( 50, 50, 100 );
				camera.lookAt( scene.position );

				//

				var axisHelper = new THREE.AxisHelper( 10 );
				scene.add( axisHelper );

				//

				var geometry = new THREE.SphereBufferGeometry( 5, 32, 32 );
				var material = new THREE.MeshBasicMaterial( { color: 0xffff00 } );
				var mesh = new THREE.Mesh( geometry, material );
				scene.add( mesh );

				//

				var animationData = {
					"name"      : "Action",
					"fps"       : 25,
					"length"    : 2.0,
					"hierarchy" : [
						{
							"parent" : -1, //root
							"keys"   : [
								{
									"time": 0,
									"pos" : [ 0, 0, 0 ],
									"rot" : [ 0, 0, 0, 0 ],
									"scl" : [ 1, 1, 1 ]
								},
								{
									"time": 1.0,
									"pos" : [ 30, 0, 0 ],
									"scl" : [ 2, 2, 2 ]
								}
								,
								{
									"time": 2.0,
									"pos" : [ 0, 0, 0 ]
								}
							]
						}
					]
				};

				ensureLoop( animationData );

				var animation = new THREE.Animation( mesh, animationData );
				animation.play();

				//

				renderer = new THREE.WebGLRenderer();
				renderer.setClearColor( 0x555555 );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				container.appendChild( renderer.domElement );

				//

				stats = new Stats();
				container.appendChild( stats.dom );

				//

				clock = new THREE.Clock()

				//

				window.addEventListener( 'resize', onWindowResize, false );

			};

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			};

			var ensureLoop = function( animation ) {

				for ( var i = 0; i < animation.hierarchy.length; i ++ ) {

					var obj = animation.hierarchy[ i ];

					var first = obj.keys[ 0 ];
					var last = obj.keys[ obj.keys.length - 1 ];

					last.pos = first.pos;
					last.rot = first.rot;
					last.scl = first.scl;

				}

			};

			function animate() {

				requestAnimationFrame( animate );

				var delta = clock.getDelta();

				THREE.AnimationHandler.update( delta );

				render();

			};

			function render() {

				renderer.render( scene, camera );
				stats.update();

			};

			init();
			animate();

		</script>

	</body>
</html>