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webgl_loader_obj2_run_director.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - Web Worker Parallel Demo</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: #000;
color: #fff;
margin: 0 0 0 0;
padding: 0 0 0 0;
border: none;
cursor: default;
}
#info {
color: #fff;
position: absolute;
top: 10px;
width: 100%;
text-align: center;
z-index: 100;
display:block;
}
#info a {
color: #f00;
font-weight: bold;
text-decoration: underline;
cursor: pointer
}
#glFullscreen {
width: 100%;
height: 100vh;
min-width: 640px;
min-height: 360px;
position: relative;
overflow: hidden;
z-index: 0;
}
#example {
width: 100%;
height: 100%;
top: 0;
left: 0;
background-color: #000000;
}
#feedback {
position: absolute;
color: darkorange;
text-align: left;
bottom: 0%;
left: 0%;
width: auto;
padding: 0px 0px 4px 4px;
}
#dat {
user-select: none;
position: absolute;
left: 0;
top: 0;
z-Index: 200;
}
</style>
</head>
<body>
<div id="glFullscreen">
<canvas id="example"></canvas>
</div>
<div id="dat">
</div>
<div id="info">
<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - Web Worker LoaderDirector Parallels Demo
</div>
<div id="feedback">
</div>
<script src="../build/three.js"></script>
<script src="js/controls/TrackballControls.js"></script>
<script src="js/loaders/MTLLoader.js"></script>
<script src="js/libs/dat.gui.min.js"></script>
<script src="js/loaders/LoaderSupport.js"></script>
<script src="js/loaders/OBJLoader2.js"></script>
<script>
'use strict';
var WWParallels = function ( elementToBindTo ) {
this.renderer = null;
this.canvas = elementToBindTo;
this.aspectRatio = 1;
this.recalcAspectRatio();
this.scene = null;
this.cameraDefaults = {
posCamera: new THREE.Vector3( 0.0, 175.0, 500.0 ),
posCameraTarget: new THREE.Vector3( 0, 0, 0 ),
near: 0.1,
far: 10000,
fov: 45
};
this.camera = null;
this.cameraTarget = this.cameraDefaults.posCameraTarget;
this.workerDirector = new THREE.LoaderSupport.WorkerDirector( THREE.OBJLoader2 );
this.logging = {
enabled: false,
debug: false
};
this.workerDirector.setLogging( this.logging.enabled, this.logging.debug );
this.workerDirector.setCrossOrigin( 'anonymous' );
this.workerDirector.setForceWorkerDataCopy( true );
this.controls = null;
this.cube = null;
this.allAssets = [];
this.feedbackArray = null;
this.running = false;
};
WWParallels.prototype = {
constructor: WWParallels,
initGL: function () {
this.renderer = new THREE.WebGLRenderer( {
canvas: this.canvas,
antialias: true,
autoClear: true
} );
this.renderer.setClearColor( 0x050505 );
this.scene = new THREE.Scene();
this.camera = new THREE.PerspectiveCamera( this.cameraDefaults.fov, this.aspectRatio, this.cameraDefaults.near, this.cameraDefaults.far );
this.resetCamera();
this.controls = new THREE.TrackballControls( this.camera, this.renderer.domElement );
var ambientLight = new THREE.AmbientLight( 0x404040 );
var directionalLight1 = new THREE.DirectionalLight( 0xC0C090 );
var directionalLight2 = new THREE.DirectionalLight( 0xC0C090 );
directionalLight1.position.set( -100, -50, 100 );
directionalLight2.position.set( 100, 50, -100 );
this.scene.add( directionalLight1 );
this.scene.add( directionalLight2 );
this.scene.add( ambientLight );
var geometry = new THREE.BoxBufferGeometry( 10, 10, 10 );
var material = new THREE.MeshNormalMaterial();
this.cube = new THREE.Mesh( geometry, material );
this.cube.position.set( 0, 0, 0 );
this.scene.add( this.cube );
},
resizeDisplayGL: function () {
this.controls.handleResize();
this.recalcAspectRatio();
this.renderer.setSize( this.canvas.offsetWidth, this.canvas.offsetHeight, false );
this.updateCamera();
},
recalcAspectRatio: function () {
this.aspectRatio = ( this.canvas.offsetHeight === 0 ) ? 1 : this.canvas.offsetWidth / this.canvas.offsetHeight;
},
resetCamera: function () {
this.camera.position.copy( this.cameraDefaults.posCamera );
this.cameraTarget.copy( this.cameraDefaults.posCameraTarget );
this.updateCamera();
},
updateCamera: function () {
this.camera.aspect = this.aspectRatio;
this.camera.lookAt( this.cameraTarget );
this.camera.updateProjectionMatrix();
},
render: function () {
if ( ! this.renderer.autoClear ) this.renderer.clear();
this.controls.update();
this.cube.rotation.x += 0.05;
this.cube.rotation.y += 0.05;
this.renderer.render( this.scene, this.camera );
},
_reportProgress: function( content ) {
var output = content;
if ( THREE.LoaderSupport.Validator.isValid( content ) && THREE.LoaderSupport.Validator.isValid( content.detail ) ) output = content.detail.text;
output = THREE.LoaderSupport.Validator.verifyInput( output, '' );
if ( this.logging.enabled ) console.info( 'Progress:\n\t' + output.replace(/\<br\>/g, '\n\t' ) );
document.getElementById( 'feedback' ).innerHTML = output;
},
enqueueAllAssests: function ( maxQueueSize, maxWebWorkers, streamMeshes ) {
if ( this.running ) {
return;
} else {
this.running = true;
}
var scope = this;
scope.workerDirector.objectsCompleted = 0;
scope.feedbackArray = [];
scope.reportDonwload = [];
var i;
for ( i = 0; i < maxWebWorkers; i++ ) {
scope.feedbackArray[ i ] = 'Worker #' + i + ': Awaiting feedback';
scope.reportDonwload[ i ] = true;
}
scope._reportProgress( scope.feedbackArray.join( '\<br\>' ) );
var callbackOnLoad = function ( event ) {
var instanceNo = event.detail.instanceNo;
scope.reportDonwload[ instanceNo ] = false;
scope.allAssets.push( event.detail.loaderRootNode );
var msg = 'Worker #' + instanceNo + ': Completed loading: ' + event.detail.modelName + ' (#' + scope.workerDirector.objectsCompleted + ')';
if ( scope.logging.enabled ) console.info( msg );
scope.feedbackArray[ instanceNo ] = msg;
scope._reportProgress( scope.feedbackArray.join( '\<br\>' ) );
if ( scope.workerDirector.objectsCompleted + 1 === maxQueueSize ) scope.running = false;
};
var callbackReportProgress = function ( event ) {
var instanceNo = event.detail.instanceNo;
var text = event.detail.text;
if ( scope.reportDonwload[ instanceNo ] ) {
var msg = 'Worker #' + instanceNo + ': ' + text;
if ( scope.logging.enabled ) console.info( msg );
scope.feedbackArray[ instanceNo ] = msg;
scope._reportProgress( scope.feedbackArray.join( '\<br\>' ) );
}
};
var callbackReportError = function ( supportDesc, errorMessage ) {
console.error( 'LoaderWorkerDirector reported an error: ' );
console.error( errorMessage );
return true;
};
var callbackMeshAlter = function ( event, override ) {
if ( ! THREE.LoaderSupport.Validator.isValid( override ) ) override = new THREE.LoaderSupport.LoadedMeshUserOverride( false, false );
var material = event.detail.material;
var meshName = event.detail.meshName;
if ( THREE.LoaderSupport.Validator.isValid( material ) && material.name === 'defaultMaterial' || meshName === 'Mesh_Mesh_head_geo.001_lambert2SG.001' ) {
var materialOverride = material;
materialOverride.color = new THREE.Color( Math.random(), Math.random(), Math.random() );
var mesh = new THREE.Mesh( event.detail.bufferGeometry, material );
mesh.name = meshName;
override.addMesh( mesh );
override.alteredMesh = true;
}
return override;
};
var callbackOnLoadMaterials = function ( materials ) {
console.log( 'Materials loaded' );
return materials;
};
var callbacks = new THREE.LoaderSupport.Callbacks();
callbacks.setCallbackOnProgress( callbackReportProgress );
callbacks.setCallbackOnReportError( callbackReportError );
callbacks.setCallbackOnLoad( callbackOnLoad );
callbacks.setCallbackOnMeshAlter( callbackMeshAlter );
callbacks.setCallbackOnLoadMaterials( callbackOnLoadMaterials );
this.workerDirector.prepareWorkers( callbacks, maxQueueSize, maxWebWorkers );
if ( this.logging.enabled ) console.info( 'Configuring WWManager with queue size ' + this.workerDirector.getMaxQueueSize() + ' and ' + this.workerDirector.getMaxWebWorkers() + ' workers.' );
var prepData;
var modelPrepDatas = [];
prepData = new THREE.LoaderSupport.PrepData( 'male02' );
prepData.addResource( new THREE.LoaderSupport.ResourceDescriptor( 'models/obj/male02/male02.obj', 'OBJ ' ) );
prepData.addResource( new THREE.LoaderSupport.ResourceDescriptor( 'models/obj/male02/male02.mtl', 'MTL' ) );
prepData.setLogging( false, false );
modelPrepDatas.push( prepData );
prepData = new THREE.LoaderSupport.PrepData( 'female02' );
prepData.addResource( new THREE.LoaderSupport.ResourceDescriptor( 'models/obj/female02/female02.obj', 'OBJ' ) );
prepData.addResource( new THREE.LoaderSupport.ResourceDescriptor( 'models/obj/female02/female02.mtl', 'MTL' ) );
prepData.setLogging( false, false );
modelPrepDatas.push( prepData );
prepData = new THREE.LoaderSupport.PrepData( 'viveController' );
prepData.addResource( new THREE.LoaderSupport.ResourceDescriptor( 'models/obj/vive-controller/vr_controller_vive_1_5.obj', 'OBJ' ) );
prepData.setLogging( false, false );
prepData.scale = 400.0;
modelPrepDatas.push( prepData );
prepData = new THREE.LoaderSupport.PrepData( 'cerberus' );
prepData.addResource( new THREE.LoaderSupport.ResourceDescriptor( 'models/obj/cerberus/Cerberus.obj', 'OBJ' ) );
prepData.setLogging( false, false );
prepData.scale = 50.0;
modelPrepDatas.push( prepData );
prepData = new THREE.LoaderSupport.PrepData( 'WaltHead' );
prepData.addResource( new THREE.LoaderSupport.ResourceDescriptor( 'models/obj/walt/WaltHead.obj', 'OBJ' ) );
prepData.addResource( new THREE.LoaderSupport.ResourceDescriptor( 'models/obj/walt/WaltHead.mtl', 'MTL' ) );
prepData.setLogging( false, false );
modelPrepDatas.push( prepData );
var pivot;
var distributionBase = -500;
var distributionMax = 1000;
var modelPrepDataIndex = 0;
var modelPrepData;
var scale;
for ( i = 0; i < maxQueueSize; i++ ) {
modelPrepDataIndex = Math.floor( Math.random() * modelPrepDatas.length );
modelPrepData = modelPrepDatas[ modelPrepDataIndex ];
modelPrepData.useAsync = true;
scale = THREE.LoaderSupport.Validator.verifyInput( modelPrepData.scale, 0 );
modelPrepData = modelPrepData.clone();
pivot = new THREE.Object3D();
pivot.position.set(
distributionBase + distributionMax * Math.random(),
distributionBase + distributionMax * Math.random(),
distributionBase + distributionMax * Math.random()
);
if ( scale > 0 ) pivot.scale.set( scale, scale, scale );
this.scene.add( pivot );
modelPrepData.streamMeshesTo = pivot;
this.workerDirector.enqueueForRun( modelPrepData );
}
this.workerDirector.processQueue();
},
clearAllAssests: function () {
var storedObject3d;
for ( var asset in this.allAssets ) {
storedObject3d = this.allAssets[ asset ];
var scope = this;
var remover = function ( object3d ) {
if ( storedObject3d === object3d ) return;
if ( scope.logging.enabled ) console.info( 'Removing ' + object3d.name );
scope.scene.remove( object3d );
if ( object3d.hasOwnProperty( 'geometry' ) ) object3d.geometry.dispose();
if ( object3d.hasOwnProperty( 'material' ) ) {
var mat = object3d.material;
if ( mat.hasOwnProperty( 'materials' ) ) {
var materials = mat.materials;
for ( var name in materials ) {
if ( materials.hasOwnProperty( name ) ) materials[ name ].dispose();
}
}
}
if ( object3d.hasOwnProperty( 'texture' ) ) object3d.texture.dispose();
};
if ( THREE.LoaderSupport.Validator.isValid( storedObject3d ) ) {
if ( this.pivot !== storedObject3d ) scope.scene.remove( storedObject3d );
storedObject3d.traverse( remover );
storedObject3d = null;
}
}
this.allAssets = [];
},
terminateManager: function () {
this.workerDirector.tearDown();
this.running = false;
},
terminateManagerAndClearScene: function () {
var scope = this;
var scopedClearAllAssests = function (){
scope.clearAllAssests();
};
if ( this.workerDirector.isRunning() ) {
this.workerDirector.tearDown( scopedClearAllAssests );
} else {
scopedClearAllAssests();
}
this.running = false;
}
};
var app = new WWParallels( document.getElementById( 'example' ) );
var wwParallelsControl = {
queueLength: 128,
workerCount: 4,
streamMeshes: true,
run: function () {
app.enqueueAllAssests( this.queueLength, this.workerCount, this.streamMeshes );
},
terminate: function () {
app.terminateManager();
},
clearAllAssests: function () {
app.terminateManagerAndClearScene();
}
};
var gui = new dat.GUI( {
autoPlace: false,
width: 320
} );
var menuDiv = document.getElementById( 'dat' );
menuDiv.appendChild(gui.domElement);
var folderQueue = gui.addFolder( 'Web Worker Director Queue Control' );
folderQueue.add( wwParallelsControl, 'queueLength' ).min( 1 ).max( 1024 ).step( 1 );
folderQueue.add( wwParallelsControl, 'workerCount' ).min( 1 ).max( 16 ).step( 1 );
folderQueue.add( wwParallelsControl, 'streamMeshes' );
folderQueue.add( wwParallelsControl, 'run' ).name( 'Run Queue' );
folderQueue.open();
var folderWWControl = gui.addFolder( 'Resource Management' );
folderWWControl.add( wwParallelsControl, 'terminate' ).name( 'Terminate WWManager' );
folderWWControl.add( wwParallelsControl, 'clearAllAssests' ).name( 'Clear Scene' );
var resizeWindow = function () {
app.resizeDisplayGL();
};
var render = function () {
requestAnimationFrame( render );
app.render();
};
window.addEventListener( 'resize', resizeWindow, false );
console.log( 'Starting initialisation phase...' );
app.initGL();
app.resizeDisplayGL();
render();
</script>
</body>
</html>