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webgl_loader_obj2_options.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - OBJLoader2 usage options</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 {
color: darkorange;
}
#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> - OBJLoader2 usage options
<div id="feedback"></div>
</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 WWOBJLoader2Example = 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.controls = null;
this.flatShading = false;
this.doubleSide = false;
this.cube = null;
this.pivot = null;
};
WWOBJLoader2Example.prototype = {
constructor: WWOBJLoader2Example,
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 helper = new THREE.GridHelper( 1200, 60, 0xFF4444, 0x404040 );
this.scene.add( helper );
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 );
this.pivot = new THREE.Object3D();
this.pivot.name = 'Pivot';
this.scene.add( this.pivot );
},
useParseSync: function () {
var modelName = 'female02';
this._reportProgress( { detail: { text: 'Loading: ' + modelName } } );
var scope = this;
var objLoader = new THREE.OBJLoader2();
var onLoadMtl = function ( materials ) {
objLoader.setModelName( modelName );
objLoader.setMaterials( materials );
var fileLoader = new THREE.FileLoader();
fileLoader.setPath( '' );
fileLoader.setResponseType( 'arraybuffer' );
fileLoader.load( 'models/obj/female02/female02.obj',
function ( content ) {
var local = new THREE.Object3D();
local.name = 'Pivot_female02';
local.position.set( 75, 0, 0 );
scope.pivot.add( local );
local.add( objLoader.parse( content ) );
scope._reportProgress( { detail: { text: 'Loading complete: ' + modelName } } );
}
);
};
var onError = function ( event ) {
console.error( 'Error occurred: ' + event );
};
objLoader.loadMtl( 'models/obj/female02/female02.mtl', null, onLoadMtl, null, onError );
},
useParseAsync: function () {
var modelName = 'female02_vertex' ;
this._reportProgress( { detail: { text: 'Loading: ' + modelName } } );
var callbackOnLoad = function ( event ) {
var local = new THREE.Object3D();
local.name = 'Pivot_female02_vertex';
local.position.set( -75, 0, 0 );
scope.pivot.add( local );
local.add( event.detail.loaderRootNode );
scope._reportProgress( { detail: { text: 'Loading complete: ' + event.detail.modelName } } );
};
var scope = this;
var objLoader = new THREE.OBJLoader2();
objLoader.setModelName( modelName );
var fileLoader = new THREE.FileLoader();
fileLoader.setPath( '' );
fileLoader.setResponseType( 'arraybuffer' );
var filename = 'models/obj/female02/female02_vertex_colors.obj';
fileLoader.load( filename,
function ( content ) {
objLoader.parseAsync( content, callbackOnLoad );
scope._reportProgress( { detail: { text: 'File loading complete: ' + filename } } );
}
);
},
useLoadSync: function () {
var modelName = 'male02';
this._reportProgress( { detail: { text: 'Loading: ' + modelName } } );
var scope = this;
var objLoader = new THREE.OBJLoader2();
var callbackOnLoad = function ( event ) {
var local = new THREE.Object3D();
local.name = 'Pivot_male02';
local.position.set( 0, 0, -75 );
scope.pivot.add( local );
local.add( event.detail.loaderRootNode );
scope._reportProgress( { detail: { text: 'Loading complete: ' + event.detail.modelName } } );
};
var onLoadMtl = function ( materials ) {
objLoader.setModelName( modelName );
objLoader.setMaterials( materials );
objLoader.setUseIndices( true );
objLoader.load( 'models/obj/male02/male02.obj', callbackOnLoad, null, null, null, false );
};
objLoader.loadMtl( 'models/obj/male02/male02.mtl', null, onLoadMtl );
},
useLoadAsync: function () {
var modelName = 'WaltHead';
this._reportProgress( { detail: { text: 'Loading: ' + modelName } } );
var scope = this;
var objLoader = new THREE.OBJLoader2();
var callbackOnLoad = function ( event ) {
objLoader.workerSupport.setTerminateRequested( true );
var local = new THREE.Object3D();
local.name = 'Pivot_WaltHead';
local.position.set( -125, 50, 0 );
var scale = 0.5;
local.scale.set( scale, scale, scale );
scope.pivot.add( local );
local.add( event.detail.loaderRootNode );
scope._reportProgress( { detail: { text: 'Loading complete: ' + event.detail.modelName } } );
};
var onLoadMtl = function ( materials ) {
objLoader.setModelName( modelName );
objLoader.setMaterials( materials );
objLoader.terminateWorkerOnLoad = false;
objLoader.load( 'models/obj/walt/WaltHead.obj', callbackOnLoad, null, null, null, true );
};
objLoader.loadMtl( 'models/obj/walt/WaltHead.mtl', null, onLoadMtl );
},
useRunSync: function () {
var scope = this;
var callbackOnLoad = function ( event ) {
scope._reportProgress( { detail: { text: 'Loading complete: ' + event.detail.modelName } } );
};
var prepData = new THREE.LoaderSupport.PrepData( 'cerberus' );
var local = new THREE.Object3D();
local.position.set( 0, 0, 100 );
local.scale.set( 50.0, 50.0, 50.0 );
this.pivot.add( local );
prepData.streamMeshesTo = local;
prepData.addResource( new THREE.LoaderSupport.ResourceDescriptor( 'models/obj/cerberus/Cerberus.obj', 'OBJ' ) );
var callbacks = prepData.getCallbacks();
callbacks.setCallbackOnProgress( this._reportProgress );
callbacks.setCallbackOnLoad( callbackOnLoad );
var objLoader = new THREE.OBJLoader2();
objLoader.run( prepData );
},
useRunAsyncMeshAlter: function () {
var scope = this;
var callbackOnLoad = function ( event ) {
scope._reportProgress( { detail: { text: 'Loading complete: ' + event.detail.modelName } } );
};
var prepData = new THREE.LoaderSupport.PrepData( 'vive-controller' );
var local = new THREE.Object3D();
local.position.set( 125, 50, 0 );
local.name = 'Pivot_vive-controller';
this.pivot.add( local );
prepData.streamMeshesTo = local;
prepData.addResource( new THREE.LoaderSupport.ResourceDescriptor( 'models/obj/vive-controller/vr_controller_vive_1_5.obj', 'OBJ' ) );
prepData.useAsync = true;
var callbacks = prepData.getCallbacks();
var callbackMeshAlter = function ( event ) {
var override = new THREE.LoaderSupport.LoadedMeshUserOverride( false, true );
var mesh = new THREE.Mesh( event.detail.bufferGeometry, event.detail.material );
var scale = 200.0;
mesh.scale.set( scale, scale, scale );
mesh.name = event.detail.meshName;
var helper = new THREE.VertexNormalsHelper( mesh, 2, 0x00ff00, 1 );
helper.name = 'VertexNormalsHelper';
override.addMesh( mesh );
override.addMesh( helper );
return override;
};
callbacks.setCallbackOnMeshAlter( callbackMeshAlter );
callbacks.setCallbackOnProgress( this._reportProgress );
callbacks.setCallbackOnLoad( callbackOnLoad );
var objLoader = new THREE.OBJLoader2();
objLoader.run( prepData );
},
finalize: function () {
this._reportProgress( { detail: { text: '' } } );
},
_reportProgress: function( event ) {
var output = THREE.LoaderSupport.Validator.verifyInput( event.detail.text, '' );
console.log( 'Progress: ' + output );
document.getElementById( 'feedback' ).innerHTML = output;
},
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 );
},
alterShading: function () {
var scope = this;
scope.flatShading = ! scope.flatShading;
console.log( scope.flatShading ? 'Enabling flat shading' : 'Enabling smooth shading');
scope.traversalFunction = function ( material ) {
material.flatShading = scope.flatShading;
material.needsUpdate = true;
};
var scopeTraverse = function ( object3d ) {
scope.traverseScene( object3d );
};
scope.pivot.traverse( scopeTraverse );
},
alterDouble: function () {
var scope = this;
scope.doubleSide = ! scope.doubleSide;
console.log( scope.doubleSide ? 'Enabling DoubleSide materials' : 'Enabling FrontSide materials' );
scope.traversalFunction = function ( material ) {
material.side = scope.doubleSide ? THREE.DoubleSide : THREE.FrontSide;
};
var scopeTraverse = function ( object3d ) {
scope.traverseScene( object3d );
};
scope.pivot.traverse( scopeTraverse );
},
traverseScene: function ( object3d ) {
if ( object3d.material instanceof THREE.MultiMaterial ) {
var materials = object3d.material.materials;
for ( var name in materials ) {
if ( materials.hasOwnProperty( name ) ) this.traversalFunction( materials[ name ] );
}
} else if ( object3d.material ) {
this.traversalFunction( object3d.material );
}
}
};
var app = new WWOBJLoader2Example( document.getElementById( 'example' ) );
var wwObjLoader2Control = {
flatShading: app.flatShading,
doubleSide: app.doubleSide
};
var menuDiv = document.getElementById( 'dat' );
var gui = new dat.GUI( {
autoPlace: false,
width: 320
} );
menuDiv.appendChild( gui.domElement );
var folderOptions = gui.addFolder( 'WWOBJLoader2 Options' );
var controlFlat = folderOptions.add( wwObjLoader2Control, 'flatShading' ).name( 'Flat Shading' );
controlFlat.onChange( function( value ) {
console.log( 'Setting flatShading to: ' + value );
app.alterShading();
});
var controlDouble = folderOptions.add( wwObjLoader2Control, 'doubleSide' ).name( 'Double Side Materials' );
controlDouble.onChange( function( value ) {
console.log( 'Setting doubleSide to: ' + value );
app.alterDouble();
});
folderOptions.open();
// init three.js example application
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();
// kick render loop
render();
// Load a file with OBJLoader.parse synchronously
app.useParseSync();
// Load a file with OBJLoader.parseAsync asynchronously using a worker
app.useParseAsync();
// Load a file with OBJLoader.load synchronously
app.useLoadSync();
// Load a file with OBJLoader.load asynchronously
app.useLoadAsync();
// Load a file with OBJLoader.run synchronously
app.useRunSync();
// Load a file with OBJLoader.run asynchronously and add normals during onMeshAlter
app.useRunAsyncMeshAlter();
app.finalize();
</script>
</body>
</html>