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Examples: Added basic example for AnimationObjectGroup #12629

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Nov 11, 2017
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Examples: Added basic example for AnimationObjectGroup #12629

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1 change: 1 addition & 0 deletions examples/files.js
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Original file line number Diff line number Diff line change
Expand Up @@ -315,6 +315,7 @@ var files = {
],
"misc": [
"misc_animation_authoring",
"misc_animation_groups",
"misc_animation_keys",
"misc_controls_deviceorientation",
"misc_controls_fly",
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172 changes: 172 additions & 0 deletions examples/misc_animation_groups.html
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@@ -0,0 +1,172 @@
<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - animation - groups</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" rel="noopener">three.js</a> webgl - animation - groups
</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 );

// all objects of this animation group share a common animation state

var animationGroup = new THREE.AnimationObjectGroup();

//

var geometry = new THREE.BoxBufferGeometry( 5, 5, 5 );
var material = new THREE.MeshBasicMaterial( { transparent: true } );

//

for ( var i = 0; i < 5; i ++ ) {

for ( var j = 0; j < 5; j ++ ) {

var mesh = new THREE.Mesh( geometry, material );

mesh.position.x = 32 - ( 16 * i );
mesh.position.y = 0;
mesh.position.z = 32 - ( 16 * j );

scene.add( mesh );
animationGroup.add( mesh );

}

}

// create some keyframe tracks

var xAxis = new THREE.Vector3( 1, 0, 0 );
var qInitial = new THREE.Quaternion().setFromAxisAngle( xAxis, 0 );
var qFinal = new THREE.Quaternion().setFromAxisAngle( xAxis, Math.PI );
var quaternionKF = new THREE.QuaternionKeyframeTrack( '.quaternion', [ 0, 1, 2 ], [ qInitial.x, qInitial.y, qInitial.z, qInitial.w, qFinal.x, qFinal.y, qFinal.z, qFinal.w, qInitial.x, qInitial.y, qInitial.z, qInitial.w ] );

var colorKF = new THREE.ColorKeyframeTrack( '.material.color', [ 0, 1, 2 ], [ 1, 0, 0, 0, 1, 0, 0, 0, 1 ], THREE.InterpolateDiscrete );
var opacityKF = new THREE.NumberKeyframeTrack( '.material.opacity', [ 0, 1, 2 ], [ 1, 0, 1 ] );

// create clip

var clip = new THREE.AnimationClip( 'default', 3, [ quaternionKF, colorKF, opacityKF ] );

// apply the animation group to the mixer as the root object

mixer = new THREE.AnimationMixer( animationGroup );

var clipAction = mixer.clipAction( clip );
clipAction.play();

//

renderer = new THREE.WebGLRenderer();
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>