javascript
/
three.js
mirror of https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - io - scene loader</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 {
				background:#000;
				color:#fff;
				padding:0;
				margin:0;
				overflow:hidden;
				font-family:georgia;
				text-align:center;
			}

			#info {
				position: absolute;
				top: 0px; width: 100%;
				padding: 5px;
				font-family: Monospace;
				font-size: 13px;
				text-align: center;
				z-index:100;
			}

			#progress {
				color:red;
				top:7em;
				width: 100%;
				font-size:3em;
				font-variant:small-caps;
				font-weight:bold;
				position:absolute;
				z-index:100;
				text-align: center;
				text-shadow: #000 0px 0px 10px;
				display:none;
			}

			#start {
				color:#fff;
				text-shadow: #000 0px 0px 2px;
				padding:0.1em 0.3em;
				width:3em;
				text-align: center;
				display:none;
			}

			.shadow {
				-moz-box-shadow: 0px 0px 5px #000;
				-webkit-box-shadow: 0px 0px 5px #000;
				box-shadow: 0px 0px 5px #000;
			}

			#progressbar {
				text-align: center;
				background: white;
				width: 250px;
				height: 10px;
			}

			#bar {
				background:#d00;
				width:50px;
				height:10px;
			}

			.enabled {
				color: lime!important;
				cursor:pointer;
			}

			.enabled:hover {
				text-shadow: #0f0 0px 0px 5px !important;
			}

			.disabled {
				background:gray;
				cursor:default;
			}

			a { color:red }
			canvas { pointer-events:none; z-index:10; }

			#scene_explorer {
				background:transparent;
				color:#fff;
				width:200px;
				position:absolute;
				text-align:left;
				top:0px;
				z-index:200;
				overflow:auto;
			}

			#section_exp {
				background:rgba(0,0,50,0.5);
				padding:0.5em 0;
				display:none;
			}

			#scene_explorer h3 {
				font-size:1em;
				padding:0;
				margin:0;
				color:orange;
			}

			#scene_explorer a {
				color:#555;
				font-weight:bold;
				text-decoration:none;
				font-size:1.2em;
				font-family:Monospace;
			}
			#scene_explorer a:hover {
				background:#555;
				color:rgba(0,0,50,1);
			}

			.part {
				display:none;
				padding:0 0 0.5em 2em;
			}

		</style>
	</head>

	<body>
		<div id="info">
			<a href="http://threejs.org">three.js</a> - scene loader test
		</div>

		<div id="scene_explorer">
			<a id="plus_exp" href="#">[+]</a>
			<div id="section_exp"></div>
		</div>

		<div id="progress">
			<span id="message">Loading ...</span>

			<center>
				<div id="progressbar" class="shadow"><div id="bar" class="shadow"></div></div>
				<div id="start" class="disabled">Start</div>
			</center>
		</div>

		<script src="../build/three.min.js"></script>

		<script src="js/loaders/ctm/lzma.js"></script>
		<script src="js/loaders/ctm/ctm.js"></script>
		<script src="js/loaders/ctm/CTMLoader.js"></script>

		<script src="js/loaders/BinaryLoader.js"></script>
		<script src="js/loaders/OBJLoader.js"></script>
		<script src="js/loaders/VTKLoader.js"></script>
		<script src="js/loaders/STLLoader.js"></script>
		<script src="js/loaders/ColladaLoader.js"></script>
		<script src="js/loaders/UTF8Loader.js"></script>
		<script src="js/loaders/MTLLoader.js"></script>

		<script src="js/Detector.js"></script>
		<script src="js/libs/stats.min.js"></script>

		<script>

			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();

			var SCREEN_WIDTH = window.innerWidth;
			var SCREEN_HEIGHT = window.innerHeight;

			var container,stats;

			var camera, scene, loaded;
			var renderer;

			var mouseX = 0, mouseY = 0;

			var windowHalfX = window.innerWidth / 2;
			var windowHalfY = window.innerHeight / 2;

			var rotatingObjects = [];
			var morphAnimatedObjects = [];

			var clock = new THREE.Clock();

			document.addEventListener( 'mousemove', onDocumentMouseMove, false );

			THREE.DefaultLoadingManager.onProgress = function ( item, loaded, total ) {

				console.log( item, loaded, total );

			};

			init();
			animate();

			function $( id ) {

				return document.getElementById( id );

			}

			function handle_update( result, pieces ) {

				refreshSceneView( result );
				//renderer.initWebGLObjects( result.scene );

				var m, material, count = 0;

				for ( m in result.materials ) {

					material = result.materials[ m ];
					if ( ! ( material instanceof THREE.MeshFaceMaterial || material instanceof THREE.ShaderMaterial || material.morphTargets ) ) {

						if( !material.program ) {

							renderer.initMaterial( material, result.scene.__lights, result.scene.fog );

							count += 1;

							if( count > pieces ) {

								//console.log("xxxxxxxxx");
								break;

							}

						}

					}

				}

			}

			function init() {

				container = document.createElement( 'div' );
				document.body.appendChild( container );

				var loadScene = createLoadScene();

				camera = loadScene.camera;
				scene = loadScene.scene;

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
				renderer.domElement.style.position = "relative";
				container.appendChild( renderer.domElement );

				renderer.gammaInput = true;
				renderer.gammaOutput = true;

				stats = new Stats();
				stats.domElement.style.position = 'absolute';
				stats.domElement.style.top = '0px';
				stats.domElement.style.right = '0px';
				stats.domElement.style.zIndex = 100;
				container.appendChild( stats.domElement );

				$( "start" ).addEventListener( 'click', onStartClick, false );

				var callbackProgress = function( progress, result ) {

					var bar = 250,
						total = progress.totalModels + progress.totalTextures,
						loaded = progress.loadedModels + progress.loadedTextures;

					if ( total )
						bar = Math.floor( bar * loaded / total );

					$( "bar" ).style.width = bar + "px";

					count = 0;
					for ( var m in result.materials ) count++;

					handle_update( result, Math.floor( count/total ) );

				}

				var callbackSync = function( result ) {

					/*

					// uncomment to see progressive scene loading

					scene = result.scene;
					camera = result.currentCamera;

					camera.aspect = window.innerWidth / window.innerHeight;
					camera.updateProjectionMatrix();

					*/

					//handle_update( result, 1 );

				}

				var callbackFinished = function ( result ) {

					loaded = result;

					$( "message" ).style.display = "none";
					$( "progressbar" ).style.display = "none";
					$( "start" ).style.display = "block";
					$( "start" ).className = "enabled";

					handle_update( result, 1 );

					result.scene.traverse( function ( object ) {

						if ( object.userData.rotating === true ) {

							rotatingObjects.push( object );

						}

						if ( object instanceof THREE.MorphAnimMesh ) {

							morphAnimatedObjects.push( object );

						}

						if ( object instanceof THREE.SkinnedMesh ) {

							if ( object.geometry.animation ) {

								THREE.AnimationHandler.add( object.geometry.animation );

								var animation = new THREE.Animation( object, object.geometry.animation.name );
								animation.JITCompile = false;
								animation.interpolationType = THREE.AnimationHandler.LINEAR;

								animation.play();

							}

						}

					} );

				}

				$( "progress" ).style.display = "block";

				var loader = new THREE.SceneLoader();

				loader.addGeometryHandler( "binary", THREE.BinaryLoader );
				loader.addGeometryHandler( "ctm", THREE.CTMLoader );
				loader.addGeometryHandler( "vtk", THREE.VTKLoader );
				loader.addGeometryHandler( "stl", THREE.STLLoader );

				loader.addHierarchyHandler( "obj", THREE.OBJLoader );
				loader.addHierarchyHandler( "dae", THREE.ColladaLoader );
				loader.addHierarchyHandler( "utf8", THREE.UTF8Loader );

				loader.callbackSync = callbackSync;
				loader.callbackProgress = callbackProgress;

				loader.load( "scenes/test_scene.js", callbackFinished );

				$( "plus_exp" ).addEventListener( 'click', createToggle( "exp" ), false );

				//

				window.addEventListener( 'resize', onWindowResize, false );

			}

			function onWindowResize() {

				windowHalfX = window.innerWidth / 2;
				windowHalfY = window.innerHeight / 2;

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function setButtonActive( id ) {

				$( "start" ).style.backgroundColor = "green";

			}

			function onStartClick() {

				$( "progress" ).style.display = "none";

				camera = loaded.currentCamera;
				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				scene = loaded.scene;

			}

			function onDocumentMouseMove( event ) {

				mouseX = ( event.clientX - windowHalfX );
				mouseY = ( event.clientY - windowHalfY );

			}

			function createLoadScene() {

				var result = {

					scene:  new THREE.Scene(),
					camera: new THREE.PerspectiveCamera( 65, window.innerWidth / window.innerHeight, 1, 1000 )

				};

				result.camera.position.z = 100;
				result.scene.add( result.camera );

				var object, geometry, material, light, count = 500, range = 200;

				material = new THREE.MeshLambertMaterial( { color:0xffffff } );
				geometry = new THREE.CubeGeometry( 5, 5, 5 );

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

					object = new THREE.Mesh( geometry, material );

					object.position.x = ( Math.random() - 0.5 ) * range;
					object.position.y = ( Math.random() - 0.5 ) * range;
					object.position.z = ( Math.random() - 0.5 ) * range;

					object.rotation.x = Math.random() * 6;
					object.rotation.y = Math.random() * 6;
					object.rotation.z = Math.random() * 6;

					object.matrixAutoUpdate = false;
					object.updateMatrix();

					result.scene.add( object );

				}

				result.scene.matrixAutoUpdate = false;

				light = new THREE.PointLight( 0xffffff );
				result.scene.add( light );

				light = new THREE.DirectionalLight( 0x111111 );
				light.position.x = 1;
				result.scene.add( light );

				return result;

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				render();
				stats.update();

			}

			function render() {

				var delta = clock.getDelta();

				camera.position.x += ( mouseX - camera.position.x ) * .001;
				camera.position.y += ( - mouseY - camera.position.y ) * .001;

				camera.lookAt( scene.position );

				// update skinning

				THREE.AnimationHandler.update( delta * 0.75 );

				for ( var i = 0; i < rotatingObjects.length; i ++ ) {

					var object = rotatingObjects[ i ];

					if ( object.userData.rotateX ) object.rotation.x += 1 * delta;
					if ( object.userData.rotateY ) object.rotation.y += 0.5 * delta;

				}

				for ( var i = 0; i < morphAnimatedObjects.length; i ++ ) {

					var object = morphAnimatedObjects[ i ];

					object.updateAnimation( 1000 * delta );

				}

				renderer.render( scene, camera );

			}

			// Scene explorer user interface

			function toggle( id ) {

				var scn = $( "section_" + id ).style,
					btn = $( "plus_" + id );

				if ( scn.display == "block" ) {

					scn.display = "none";
					btn.innerHTML = "[+]";

				}
				else {

					scn.display = "block";
					btn.innerHTML = "[-]";

				}

			}

			function createToggle( label ) { return function() { toggle( label ) } };

			function refreshSceneView( result ) {

				$( "section_exp" ).innerHTML = generateSceneView( result );

				var config = [ "obj", "geo", "mat", "tex", "lit", "cam" ];

				for ( var i = 0; i < config.length; i++ )
					$( "plus_" + config[i] ).addEventListener( 'click', createToggle( config[i] ), false );

			}

			function generateSection( label, id, objects ) {

				var html = "";

				html += "<h3><a id='plus_" + id + "' href='#'>[+]</a> " + label + "</h3>";
				html += "<div id='section_" + id + "' class='part'>";

				for( var o in objects ) {

					html += o + "<br/>";

				}
				html += "</div>";

				return html;

			}

			function generateSceneView( result ) {

				var config = [
				[ "Objects",    "obj", result.objects ],
				[ "Geometries", "geo", result.geometries ],
				[ "Materials",  "mat", result.materials ],
				[ "Textures",   "tex", result.textures ],
				[ "Lights",     "lit", result.lights ],
				[ "Cameras",    "cam", result.cameras ]
				];

				var html = "";

				for ( var i = 0; i < config.length; i++ )
					html += generateSection( config[i][0], config[i][1], config[i][2] );

				return html;

			}

		</script>

	</body>
</html>