Doodle3D-Slicer/three.js-master/examples/webgl_loader_collada_keyframe.html

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2015-06-12 15:58:26 +02:00
<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - collada</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 {
font-family: Monospace;
background-color: #000000;
margin: 0px;
overflow: hidden;
}
#info {
color: #fff;
position: absolute;
top: 10px;
width: 100%;
text-align: center;
z-index: 100;
display:block;
}
a { color: skyblue }
</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.min.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 material = new THREE.LineBasicMaterial( { color: 0x303030 } );
var geometry = new THREE.Geometry();
var floor = -0.04, step = 1, size = 14;
for ( var i = 0; i <= size / step * 2; i ++ ) {
geometry.vertices.push( new THREE.Vector3( - size, floor, i * step - size ) );
geometry.vertices.push( new THREE.Vector3( size, floor, i * step - size ) );
geometry.vertices.push( new THREE.Vector3( i * step - size, floor, -size ) );
geometry.vertices.push( new THREE.Vector3( i * step - size, floor, size ) );
}
var line = new THREE.Line( geometry, material, THREE.LinePieces );
scene.add( line );
// 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();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
container.appendChild( stats.domElement );
//
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>