examples/misc_animation_keys.html

<!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>