javascript
/
three.js
镜像来自 https://github.com/tazdij/three.js.git


			
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - OBJLoader2</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">three.js</a> - OBJLoader2 direct loader test
			<div id="feedback"></div>
		</div>

		<script src="js/Detector.js"></script>
		<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/OBJLoader2.js"></script>
		<script>

			'use strict';

			var OBJLoader2Example = (function () {

				function OBJLoader2Example( 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.smoothShading = true;
					this.doubleSide = false;

					this.cube = null;
					this.pivot = null;
				}

				OBJLoader2Example.prototype.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.BoxGeometry( 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 );
				};

				OBJLoader2Example.prototype.initPostGL = function ( objDef ) {
					var scope = this;

					var mtlLoader = new THREE.MTLLoader();
					mtlLoader.setPath( objDef.texturePath );
					mtlLoader.setCrossOrigin( 'anonymous' );
					mtlLoader.load( objDef.fileMtl, function( materials ) {

						materials.preload();

						var objLoader = new THREE.OBJLoader2();
						objLoader.setSceneGraphBaseNode( scope.pivot );
						objLoader.setMaterials( materials.materials );
						objLoader.setPath( objDef.path );
						objLoader.setDebug( false, false );

						var onSuccess = function ( object3d ) {
							console.log( 'Loading complete. Meshes were attached to: ' + object3d.name );
						};

						var onProgress = function ( event ) {
							if ( event.lengthComputable ) {

								var percentComplete = event.loaded / event.total * 100;
								var output = 'Download of "' + objDef.fileObj + '": ' + Math.round( percentComplete ) + '%';
								console.log(output);

							}
						};

						var onError = function ( event ) {
							console.error( 'Error of type "' + event.type + '" occurred when trying to load: ' + event.src );
						};

						objLoader.load( objDef.fileObj, onSuccess, onProgress, onError );

					});

					return true;
				};

				OBJLoader2Example.prototype.resizeDisplayGL = function () {
					this.controls.handleResize();

					this.recalcAspectRatio();
					this.renderer.setSize( this.canvas.offsetWidth, this.canvas.offsetHeight, false );

					this.updateCamera();
				};

				OBJLoader2Example.prototype.recalcAspectRatio = function () {
					this.aspectRatio = ( this.canvas.offsetHeight === 0 ) ? 1 : this.canvas.offsetWidth / this.canvas.offsetHeight;
				};

				OBJLoader2Example.prototype.resetCamera = function () {
					this.camera.position.copy( this.cameraDefaults.posCamera );
					this.cameraTarget.copy( this.cameraDefaults.posCameraTarget );

					this.updateCamera();
				};

				OBJLoader2Example.prototype.updateCamera = function () {
					this.camera.aspect = this.aspectRatio;
					this.camera.lookAt( this.cameraTarget );
					this.camera.updateProjectionMatrix();
				};

				OBJLoader2Example.prototype.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 );
				};

				OBJLoader2Example.prototype.alterSmoothShading = function () {

					var scope = this;
					scope.smoothShading = ! scope.smoothShading;
					console.log( scope.smoothShading ? 'Enabling SmoothShading' : 'Enabling FlatShading');

					scope.traversalFunction = function ( material ) {
						material.shading = scope.smoothShading ? THREE.SmoothShading : THREE.FlatShading;
						material.needsUpdate = true;
					};
					var scopeTraverse = function ( object3d ) {
						scope.traverseScene( object3d );
					};
					scope.pivot.traverse( scopeTraverse );
				};

				OBJLoader2Example.prototype.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 );
				};

				OBJLoader2Example.prototype.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 );

					}

				};

				return OBJLoader2Example;

			})();

			var app = new OBJLoader2Example( document.getElementById( 'example' ) );

			// Init dat.gui and controls
			var OBJLoader2Control = function() {
				this.smoothShading = app.smoothShading;
				this.doubleSide = app.doubleSide;
			};
			var objLoader2Control = new OBJLoader2Control();

			var gui = new dat.GUI( {
				autoPlace: false,
				width: 320
			} );

			var menuDiv = document.getElementById( 'dat' );
			menuDiv.appendChild(gui.domElement);
			var folderQueue = gui.addFolder( 'OBJLoader2 Options' );
			var controlSmooth = folderQueue.add( objLoader2Control, 'smoothShading' ).name( 'Smooth Shading' );
			controlSmooth.onChange( function( value ) {
				console.log( 'Setting smoothShading to: ' + value );
				app.alterSmoothShading();
			});

			var controlDouble = folderQueue.add( objLoader2Control, 'doubleSide' ).name( 'Double Side Materials' );
			controlDouble.onChange( function( value ) {
				console.log( 'Setting doubleSide to: ' + value );
				app.alterDouble();
			});
			folderQueue.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();
			app.initPostGL( {
				path: 'obj/female02/',
				fileObj: 'female02.obj',
				texturePath: 'obj/female02/',
				fileMtl: 'female02.mtl'
			} );

			render();

		</script>
	</body>
</html>