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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/Detector.js"></script>
- <script src="js/libs/stats.min.js"></script>
- <script>
- if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
- var stats, clock;
- var scene, camera, renderer, mixer;
- init();
- animate();
- 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 );
- // create a keyframe track (i.e. a timed sequence of keyframes) for each animated property
- var tracks = [];
- tracks.push( new THREE.NumberKeyframeTrack( '.position', [ 0, 1, 2 ], [ 0, 0, 0, 30, 0, 0, 0, 0, 0 ] ) );
- tracks.push( new THREE.NumberKeyframeTrack( '.scale', [ 0, 1, 2 ], [ 1, 1, 1, 2, 2, 2, 1, 1, 1 ] ) );
- // create an animation sequence with the tracks
- var clip = new THREE.AnimationClip( 'Action', -1, tracks );
- // setup the mixer and play the animation sequence
- mixer = new THREE.AnimationMixer( mesh );
- mixer.clipAction( clip ).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 );
- };
- function animate() {
- requestAnimationFrame( animate );
- render();
- };
- function render() {
- var delta = clock.getDelta();
- if ( mixer ) {
- mixer.update( delta );
- }
- renderer.render( scene, camera );
- stats.update();
- };
- </script>
- </body>
- </html>
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