<!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.min.js"></script>
<script src="js/Detector.js"></script>
<script src="js/libs/stats.min.js"></script>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats;
var scene, camera, renderer;
var clock = new THREE.Clock();
var init = function(){
container = document.getElementById( 'container' );
camera = new THREE.PerspectiveCamera( 53, window.innerWidth / window.innerHeight, 1, 1000 );
camera.position.x = 0;
camera.position.y = 0;
camera.position.z = 100;
camera.lookAt(new THREE.Vector3( 0, 0, 0 ));
renderer = new THREE.WebGLRenderer();
renderer.setClearColor( 0x555555 );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
container.appendChild( stats.domElement );
window.addEventListener( 'resize', onWindowResize, false );
};
var onWindowResize = function () {
windowHalfX = window.innerWidth / 2;
windowHalfY = window.innerHeight / 2;
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
var createScene = function(){
scene = new THREE.Scene();
var axisHelper = new THREE.AxisHelper( 1 );
scene.add( axisHelper );
// SphereGeometry
var sphereGeometry = new THREE.SphereGeometry( 5, 32, 32 );
var material = new THREE.MeshBasicMaterial( { color: 0xffff00 } );
var sphereMesh = new THREE.Mesh( sphereGeometry, material );
// Setup animation
var animationData = {
"name" : "Action",
"fps" : 25,
"length" : 2.0,
"hierarchy" : [
{
"parent" : -1, //root
"keys" : [
{
"time":0,
"pos" :[0,0,0],
"rot" :[0,0,0],
"scl" :[1,1,1]
},
{
"time":1.0,
"pos" :[30,0,0]
}
,
{
"time":2.0,
"pos" :[0,0,0]
}
]
}
]
};
ensureLoop( animationData );
var sphereMeshAnimation = new THREE.Animation( sphereMesh, animationData );
sphereMeshAnimation.play();
scene.add( sphereMesh );
};
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;
}
};
var animate = function () {
requestAnimationFrame( animate );
var delta = clock.getDelta();
THREE.AnimationHandler.update( delta );
render();
};
var render = function () {
renderer.render( scene, camera );
stats.update();
};
init();
createScene();
animate();
</script>
</body>
</html>