javascript
/
three.js
mirror de https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - collada - keyframe</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 {
				background:#777;
				padding:0;
				margin:0;
				font-weight: bold;
				overflow:hidden;
			}

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

			a {
				color: #ffffff;
			}
		</style>
	</head>
	<body>
		<div id="info">
			<a href="http://threejs.org" target="_blank">three.js</a> -
			pump by <a href="http://code.google.com/p/kuda" target="_blank">Kuda</a>
		</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/loaders/ColladaLoader.js"></script>

		<script src="js/Detector.js"></script>
		<script src="js/libs/stats.min.js"></script>

		<script>

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

			var stats;
			var scene;
			var pointLight;
			var camera;
			var renderer;
			var model;
			var animations;
			var kfAnimations = [ ];
			var kfAnimationsLength = 0;
			var loader = new THREE.ColladaLoader();
			var lastTimestamp = 0;
			var progress = 0;

			loader.load( './models/collada/pump/pump.dae', function ( collada ) {

				model = collada.scene;
				animations = collada.animations;
				kfAnimationsLength = animations.length;
				model.scale.x = model.scale.y = model.scale.z = 0.125; // 1/8 scale, modeled in cm

				init();
				start();
				animate( lastTimestamp );

			} );

			function init() {

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

				// Camera

				camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 0.01, 1000 );
				camera.position.set( -5.00181875, 3.42631375, 11.3102925 );
				camera.lookAt( new THREE.Vector3( -1.224774125, 2.18410625, 4.57969125 ) );

				// Scene

				scene = new THREE.Scene();

				// KeyFrame Animations

				for ( var i = 0; i < kfAnimationsLength; ++i ) {

					var animation = animations[ i ];

					var kfAnimation = new THREE.KeyFrameAnimation( animation );
					kfAnimation.timeScale = 1;
					kfAnimations.push( kfAnimation );

				}

				// Grid

				var grid = new THREE.GridHelper( 20, 20 );
				scene.add( grid );

				// Add the COLLADA

				model.getObjectByName( 'camEye_camera', true ).visible = false;
				model.getObjectByName( 'camTarget_camera', true ).visible = false;

				scene.add( model );

				// Lights

				pointLight = new THREE.PointLight( 0xffffff, 1.75 );
				scene.add( pointLight );

				// Renderer

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				container.appendChild( renderer.domElement );

				// Stats

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

				//

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

			}

			function onWindowResize() {

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

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

			}

			function start() {

				for ( var i = 0; i < kfAnimationsLength; ++i ) {

					var animation = kfAnimations[i];

					for ( var h = 0, hl = animation.hierarchy.length; h < hl; h++ ) {

						var keys = animation.data.hierarchy[ h ].keys;
						var sids = animation.data.hierarchy[ h ].sids;
						var obj = animation.hierarchy[ h ];

						if ( keys.length && sids ) {

							for ( var s = 0; s < sids.length; s++ ) {

								var sid = sids[ s ];
								var next = animation.getNextKeyWith( sid, h, 0 );

								if ( next ) next.apply( sid );

							}

							obj.matrixAutoUpdate = false;
							animation.data.hierarchy[ h ].node.updateMatrix();
							obj.matrixWorldNeedsUpdate = true;

						}

					}

					animation.loop = false;
					animation.play();

				}

			}

			function animate( timestamp ) {

				var frameTime = ( timestamp - lastTimestamp ) * 0.001;

				if ( progress >= 0 && progress < 48 ) {

					for ( var i = 0; i < kfAnimationsLength; ++i ) {

						kfAnimations[ i ].update( frameTime );

					}

				} else if ( progress >= 48 ) {

					for ( var i = 0; i < kfAnimationsLength; ++i ) {

						kfAnimations[ i ].stop();

					}

					progress = 0;
					start();

				}

				pointLight.position.copy( camera.position );

				progress += frameTime;
				lastTimestamp = timestamp;
				renderer.render( scene, camera );
				stats.update();
				requestAnimationFrame( animate );

			}

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