<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - io - CTM 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 {
				font-family: Monospace;
				background-color: #000;
				color: #fff;
				margin: 0px;
				overflow: hidden;
			}

			#info {
				color: #fff;
				position: absolute;
				top: 10px;
				width: 100%;
				text-align: center;
				z-index: 100;
				display:block;
			}

			#info a, .button { color: #f00; font-weight: bold; text-decoration: underline; cursor: pointer }

			#stats { position: absolute; top:0; left: 0 }
			#stats #fps { background: transparent !important }
			#stats #fps #fpsText { color: #aaa !important }
			#stats #fps #fpsGraph { display: none }
		</style>
	</head>

	<body>
		<div id="info">
		<a href="http://threejs.org" target="_blank">three.js</a> -
		<a href="http://openctm.sourceforge.net/" target="_blank">CTM format</a> loader test -
		using <a href="http://code.google.com/p/js-openctm/">js-openctm</a> -
		models from <a href="http://www.sci.utah.edu/~wald/animrep/" target="_blank">The Utah 3D Animation Repository</a>,
		<a href="http://www.ir-ltd.net/infinite-3d-head-scan-released/" target="_blank">Lee Perry-Smith</a>,
		<a href="http://davidoreilly.com/post/18087489343/disneyhead" target="_blank">David OReilly</a>
		</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/Detector.js"></script>
		<script src="js/libs/stats.min.js"></script>

		<script>

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

			var container, stats;

			var camera, scene, renderer;

			var mesh, zmesh, geometry;

			var mouseX = 0, mouseY = 0;

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

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

			init();
			animate();


			function init() {

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

				camera = new THREE.PerspectiveCamera( 20, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 2000 );
				camera.position.z = 800;

				scene = new THREE.Scene();
				scene.fog = new THREE.Fog( 0x050505, 800, 2000 );

				var path = "textures/cube/SwedishRoyalCastle/";
				var format = '.jpg';
				var urls = [
					path + 'px' + format, path + 'nx' + format,
					path + 'py' + format, path + 'ny' + format,
					path + 'pz' + format, path + 'nz' + format
				];

				reflectionCube = THREE.ImageUtils.loadTextureCube( urls );

				// LIGHTS

				var ambient = new THREE.AmbientLight( 0x080808 );
				//scene.add( ambient );

				var light = new THREE.SpotLight( 0xffeedd, 1.2, 650, Math.PI/2, 3 );
				light.position.set( 0, -100, 500 );

				light.castShadow = true;
				light.shadowMapWidth = 2048;
				light.shadowMapHeight = 2048;
				light.shadowCameraFov = 45;
				//light.shadowCameraVisible = true;

				scene.add( light );


				// RENDERER

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setClearColor( scene.fog.color );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
				renderer.domElement.style.position = "relative";
				container.appendChild( renderer.domElement );

				//

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

				renderer.shadowMapEnabled = true;

				// STATS

				stats = new Stats();
				container.appendChild( stats.domElement );

				// EVENTS

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

				// LOADER

				var c = 0, s = Date.now();

				function checkTime() {

					c ++;

					if ( c === 3 ) {

						var e = Date.now();
						console.log( "Total parse time: " + (e-s) + " ms" );

					}

				}

				var loader = new THREE.CTMLoader();

				loader.load( "models/ctm/ben.ctm",   function( geometry ) {

					var material = new THREE.MeshLambertMaterial( { color: 0xffaa00, map: THREE.ImageUtils.loadTexture( "textures/UV_Grid_Sm.jpg" ), envMap: reflectionCube, combine: THREE.MixOperation, reflectivity: 0.3 } );
					callbackModel( geometry, 450, material, 0, -200, 0, 0, 0 );
					checkTime();

				}, { useWorker: true } );

				loader.load( "models/ctm/WaltHead.ctm",  function( geometry ) {

					var material1 = new THREE.MeshLambertMaterial( { color: 0xffffff } );
					var material2 = new THREE.MeshPhongMaterial( { color: 0xff4400, specular: 0x333333, shininess: 100 } );
					var material3 = new THREE.MeshPhongMaterial( { color: 0x00ff44, specular: 0x333333, shininess: 100 } );

					callbackModel( geometry, 5, material1, -200, 0, -50, 0, 0 );
					callbackModel( geometry, 2, material2,  100, 0, 125, 0, 0 );
					callbackModel( geometry, 2, material3, -100, 0, 125, 0, 0 );

					checkTime();

				}, { useWorker: true } );

				loader.load( "models/ctm/LeePerry.ctm",  function( geometry ) {

					geometry.computeTangents();

					var material = new THREE.MeshPhongMaterial( {

						specular: 0x303030,
						shininess: 50,
						map: THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Map-COL.jpg" ),
						specularMap: THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Map-SPEC.jpg" ),
						normalMap: THREE.ImageUtils.loadTexture( "obj/leeperrysmith/Infinite-Level_02_Tangent_SmoothUV.jpg" ),
						normalScale: new THREE.Vector2( 0.8, 0.8 ),
						wrapRGB: new THREE.Vector3( 0.75, 0.5, 0.5 ),
						wrapAround: true

					} );

					callbackModel( geometry, 1300, material, 200, 50, 0, 0, 0 );
					checkTime();

				}, { useWorker: true } );

			}

			function callbackModel( geometry, s, material, x, y, z, rx, ry ) {

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

				mesh.position.set( x, y, z );
				mesh.scale.set( s, s, s );
				mesh.rotation.x = rx;
				mesh.rotation.z = ry;

				mesh.castShadow = true;
				mesh.receiveShadow = true;

				scene.add( mesh );

			}

			//

			function onWindowResize( event ) {

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

				renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );

				camera.aspect = SCREEN_WIDTH / SCREEN_HEIGHT;
				camera.updateProjectionMatrix();

			}

			function onDocumentMouseMove( event ) {

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

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				render();
				stats.update();

			}

			function render() {

				camera.position.x += ( mouseX - camera.position.x ) * .05;
				camera.position.y += ( - mouseY - camera.position.y ) * .05;

				camera.lookAt( scene.position );

				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>