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 - materials - dynamic cube reflection</title>
		<meta charset="utf-8">
		<style>
			body {
				background: #000;
				color: #999;
				padding: 0;
				margin: 0;
				overflow: hidden;
				font-family: georgia;
				font-size:1em;
				text-align: center;
			}
			a { color: white }

			#info { margin-top: 2em; }
			#footer { width: 100%; margin: 2em auto; text-align: center; position: absolute; bottom: 0 }
			#loading { color: orange; margin-top: 1em }

			.h { color: skyblue }
			.c { display: inline; margin-left: 1em }
		</style>
	</head>

	<body>
		<div id="info">
			<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - webgl dynamic cube reflection demo -
			veyron by <a href="http://artist-3d.com/free_3d_models/dnm/model_disp.php?uid=1129" target="_blank">Troyano</a> -
			gallardo by <a href="http://artist-3d.com/free_3d_models/dnm/model_disp.php?uid=1711" target="_blank">machman_3d</a>
		</div>

		<div id="loading">Loading...</div>

		<div id="container"></div>

		<div id="footer">
			cars control: <span class="h">WASD</span> / <span class="h">arrows</span>

			<div class="c">cameras: <span class="h">1</span> / <span class="h">2</span> / <span class="h">3</span> / <span class="h">4</span>
			/ <span class="h">5</span> / <span class="h">6</span>
			</div>

			<div class="c">
			day / night: <span class="h">n</span>
			</div>

			<div class="c">
			motion blur: <span class="h">b</span>
			</div>
		</div>

		<script src="../build/Three.js"></script>

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

		<script src="js/ShaderExtras.js"></script>

		<script src="js/postprocessing/EffectComposer.js"></script>
		<script src="js/postprocessing/RenderPass.js"></script>
		<script src="js/postprocessing/BloomPass.js"></script>
		<script src="js/postprocessing/ShaderPass.js"></script>
		<script src="js/postprocessing/MaskPass.js"></script>
		<script src="js/postprocessing/SavePass.js"></script>

		<script src="js/Car.js"></script>

		<script>

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

			var FOLLOW_CAMERA = false;

			var MARGIN = 100;

			var WIDTH = window.innerWidth || 2;
			var HEIGHT = window.innerHeight || ( 2 + 2 * MARGIN );

			var SCREEN_WIDTH = WIDTH;
			var SCREEN_HEIGHT = HEIGHT - 2 * MARGIN;

			var SHADOW_MAP_WIDTH = 1024, SHADOW_MAP_HEIGHT = 1024;

			var container, stats;

			var camera, cameraTarget, scene, renderer;
			var renderTarget, renderTargetParameters;

			var spotLight, ambientLight;

			var cubeCamera;

			var clock = new THREE.Clock();

			var controlsGallardo = {

				moveForward: false,
				moveBackward: false,
				moveLeft: false,
				moveRight: false

			};

			var controlsVeyron = {

				moveForward: false,
				moveBackward: false,
				moveLeft: false,
				moveRight: false

			};

			var mlib;

			var gallardo, veyron, currentCar;

			var effectDirt, hblur, vblur, effectBloom, effectKeep, effectBlend, effectFXAA;

			var config = {
				"veyron"	: { r: 0.5,	 model: null, backCam: new THREE.Vector3( 550, 100, -1000 ) },
				"gallardo"	: { r: 0.35, model: null, backCam: new THREE.Vector3( 550,   0, -1500 ) }
			};

			var flareA, flareB;
			var sprites = [];

			var ground, groundBasic;

			var blur = false;

			var v = 0.9, vdir = 1;

			init();
			animate();

			function init() {

				container = document.getElementById( 'container' );

				// SCENE

				scene = new THREE.Scene();

				scene.fog = new THREE.Fog( 0xffffff, 3000, 10000 );
				scene.fog.color.setHSV( 0.51, 0.5, 0.9 );

				createScene();

				// SCENE CAMERA

				camera = new THREE.PerspectiveCamera( 18, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 100000 );
				camera.position.set( 2000, 0, 2000 );

				cameraTarget = new THREE.Vector3( 0, 0, 0 );

				scene.add( camera );


				// LIGHTS

				ambientLight = new THREE.AmbientLight( 0x555555 );
				scene.add( ambientLight );

				spotLight = new THREE.SpotLight( 0xffffff, 1, 0, Math.PI, 1 );
				spotLight.position.set( 0, 1800, 1500 );
				spotLight.target.position.set( 0, 0, 0 );
				spotLight.castShadow = true;

				spotLight.shadowCameraNear = 100;
				spotLight.shadowCameraFar = camera.far;
				spotLight.shadowCameraFov = 50;

				spotLight.shadowBias = -0.00125;
				spotLight.shadowDarkness = 0.5;
				spotLight.shadowMapWidth = SHADOW_MAP_WIDTH;
				spotLight.shadowMapHeight = SHADOW_MAP_HEIGHT;

				scene.add( spotLight );

				directionalLight2 = new THREE.PointLight( 0xff9900, 0.25 );
				directionalLight2.position.set( 0.5, -1, 0.5 );
				//directionalLight2.position.normalize();
				//scene.add( directionalLight2 );

				// RENDERER

				renderer = new THREE.WebGLRenderer( { antialias: false } );

				renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
				renderer.setClearColor( scene.fog.color, 1 );

				renderer.domElement.style.position = "absolute";
				renderer.domElement.style.top = MARGIN + "px";
				renderer.domElement.style.left = "0px";

				container.appendChild( renderer.domElement );

				// SHADOW

				renderer.shadowMapCullFrontFaces = false;
				renderer.shadowMapEnabled = true;

				// STATS

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

				stats.domElement.children[ 0 ].children[ 0 ].style.color = "#888";
				stats.domElement.children[ 0 ].style.background = "#000";
				stats.domElement.children[ 0 ].children[ 1 ].style.display = "none";

				// CUBE CAMERA

				cubeCamera = new THREE.CubeCamera( 1, 100000, 128 );
				scene.add( cubeCamera );

				// MATERIALS

				var cubeTarget = cubeCamera.renderTarget;

				mlib = {

					body: [],

					"Chrome": new THREE.MeshLambertMaterial( { color: 0xffffff, ambient: 0xffffff, envMap: cubeTarget  } ),
					"ChromeN": new THREE.MeshLambertMaterial( { color: 0xffffff, ambient: 0xffffff, envMap: cubeTarget, combine: THREE.MixOperation, reflectivity: 0.75  } ),
					"Dark chrome": new THREE.MeshLambertMaterial( { color: 0x444444, ambient: 0x444444, envMap: cubeTarget } ),

					"Black rough": new THREE.MeshLambertMaterial( { color: 0x050505, ambient: 0x050505 } ),

					"Dark glass": new THREE.MeshLambertMaterial( { color: 0x101020, ambient: 0x101020, envMap: cubeTarget, opacity: 0.5, transparent: true } ),
					"Orange glass": new THREE.MeshLambertMaterial( { color: 0xffbb00, ambient: 0xffbb00, opacity: 0.5, transparent: true } ),
					"Red glass": new THREE.MeshLambertMaterial( { color: 0xff0000, ambient: 0xff0000, opacity: 0.5, transparent: true } ),

					"Black metal": new THREE.MeshLambertMaterial( { color: 0x222222, ambient: 0x222222, envMap: cubeTarget, combine: THREE.MultiplyOperation } ),
					"Orange metal": new THREE.MeshLambertMaterial( { color: 0xff6600, ambient: 0xff6600, envMap: cubeTarget, combine: THREE.MultiplyOperation } )

				}

				mlib.body.push( [ "Orange", new THREE.MeshLambertMaterial( { color: 0x883300, ambient: 0x883300, envMap: cubeTarget, combine: THREE.MixOperation, reflectivity: 0.1 } ) ] );
				mlib.body.push( [ "Blue", new THREE.MeshLambertMaterial( { color: 0x113355, envMap: cubeTarget, combine: THREE.MixOperation, reflectivity: 0.1 } ) ] );
				mlib.body.push( [ "Red", new THREE.MeshLambertMaterial( { color: 0x660000, envMap: cubeTarget, combine: THREE.MixOperation, reflectivity: 0.1 } ) ] );
				mlib.body.push( [ "Black", new THREE.MeshLambertMaterial( { color: 0x000000, envMap: cubeTarget, combine: THREE.MixOperation, reflectivity: 0.2 } ) ] );
				mlib.body.push( [ "White", new THREE.MeshLambertMaterial( { color: 0xffffff, envMap: cubeTarget, combine: THREE.MixOperation, reflectivity: 0.2 } ) ] );

				mlib.body.push( [ "Carmine", new THREE.MeshPhongMaterial( { color: 0x770000, specular: 0xffaaaa, envMap: cubeTarget, combine: THREE.MultiplyOperation } ) ] );
				mlib.body.push( [ "Gold", new THREE.MeshPhongMaterial( { color: 0xaa9944, specular: 0xbbaa99, shininess: 50, envMap: cubeTarget, combine: THREE.MultiplyOperation } ) ] );
				mlib.body.push( [ "Bronze", new THREE.MeshPhongMaterial( { color: 0x150505, specular: 0xee6600, shininess: 10, envMap: cubeTarget, combine: THREE.MixOperation, reflectivity: 0.2 } ) ] );
				mlib.body.push( [ "Chrome", new THREE.MeshPhongMaterial( { color: 0xffffff, specular: 0xffffff, envMap: cubeTarget, combine: THREE.MultiplyOperation } ) ] );

				// FLARES

				flareA = THREE.ImageUtils.loadTexture( "textures/lensflare2.jpg" );
				flareB = THREE.ImageUtils.loadTexture( "textures/lensflare0.png" );

				// CARS - VEYRON

				veyron = new THREE.Car();

				veyron.modelScale = 3;
				veyron.backWheelOffset = 2;

				veyron.callback = function( object ) {

					addCar( object, -300, -215, 0, 0 );
					setMaterialsVeyron( object );

					var sa = 2, sb = 5;

					var params  = {

						"a" : { map: flareA, useScreenCoordinates: false, color: 0xffffff, blending: THREE.AdditiveBlending },
						"b" : { map: flareB, useScreenCoordinates: false, color: 0xffffff, blending: THREE.AdditiveBlending },

						"ar" : { map: flareA, useScreenCoordinates: false, color: 0xff0000, blending: THREE.AdditiveBlending },
						"br" : { map: flareB, useScreenCoordinates: false, color: 0xff0000, blending: THREE.AdditiveBlending }

					};

					var flares = [
						// front
						[ "a", sa, [ 47, 38, 120 ] ], [ "a", sa, [ 40, 38, 120 ] ], [ "a", sa, [ 32, 38, 122 ] ],
						[ "b", sb, [ 47, 38, 120 ] ], [ "b", sb, [ 40, 38, 120 ] ], [ "b", sb, [ 32, 38, 122 ] ],
						[ "a", sa, [ -47, 38, 120 ] ], [ "a", sa, [ -40, 38, 120 ] ], [ "a", sa, [ -32, 38, 122 ] ],
						[ "b", sb, [ -47, 38, 120 ] ], [ "b", sb, [ -40, 38, 120 ] ], [ "b", sb, [ -32, 38, 122 ] ],
						// back
						[ "ar", sa, [ 22, 50, -123 ] ], [ "ar", sa, [ 32, 49, -123 ] ],
						[ "br", sb, [ 22, 50, -123 ] ], [ "br", sb, [ 32, 49, -123 ] ],
						[ "ar", sa, [ -22, 50, -123 ] ], [ "ar", sa, [ -32, 49, -123 ] ],
						[ "br", sb, [ -22, 50, -123 ] ], [ "br", sb, [ -32, 49, -123 ] ],
					];

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

						var p = params[ flares[ i ][ 0 ] ];

						var s = flares[ i ][ 1 ];

						var x = flares[ i ][ 2 ][ 0 ];
						var y = flares[ i ][ 2 ][ 1 ];
						var z = flares[ i ][ 2 ][ 2 ];

						var sprite = new THREE.Sprite( p );

						sprite.scale.set( s, s, s );
						sprite.position.set( x, y, z );

						object.bodyMesh.add( sprite );

						sprites.push( sprite );

					}

					checkStatus();

				};

				veyron.loadPartsBinary( "obj/veyron/parts/veyron_body_bin.js", "obj/veyron/parts/veyron_wheel_bin.js" );

				// CARS - GALLARDO

				gallardo = new THREE.Car();

				gallardo.modelScale = 2;
				gallardo.backWheelOffset = 45;

				gallardo.callback = function( object ) {

					addCar( object, 300, -110, 0, -110 );
					setMaterialsGallardo( object );

					var sa = 2, sb = 5;

					var params  = {

						"a" : { map: flareA, useScreenCoordinates: false, color: 0xffffff, blending: THREE.AdditiveBlending },
						"b" : { map: flareB, useScreenCoordinates: false, color: 0xffffff, blending: THREE.AdditiveBlending },

						"ar" : { map: flareA, useScreenCoordinates: false, color: 0xff0000, blending: THREE.AdditiveBlending },
						"br" : { map: flareB, useScreenCoordinates: false, color: 0xff0000, blending: THREE.AdditiveBlending }

					};

					var flares = [
						// front
						[ "a", sa, [ 70, 10, 160 ] ], [ "a", sa, [ 66, -1, 175 ] ], [ "a", sa, [ 66, -1, 165 ] ],
						[ "b", sb, [ 70, 10, 160 ] ], [ "b", sb, [ 66, -1, 175 ] ], [ "b", sb, [ 66, -1, 165 ] ],
						[ "a", sa, [ -70, 10, 160 ] ], [ "a", sa, [ -66, -1, 175 ] ], [ "a", sa, [ -66, -1, 165 ] ],
						[ "b", sb, [ -70, 10, 160 ] ], [ "b", sb, [ -66, -1, 175 ] ], [ "b", sb, [ -66, -1, 165 ] ],
						// back
						[ "ar", sa, [ 61, 19, -185 ] ], [ "ar", sa, [ 55, 19, -185 ] ],
						[ "br", sb, [ 61, 19, -185 ] ], [ "br", sb, [ 55, 19, -185 ] ],
						[ "ar", sa, [ -61, 19, -185 ] ], [ "ar", sa, [ -55, 19, -185 ] ],
						[ "br", sb, [ -61, 19, -185 ] ], [ "br", sb, [ -55, 19, -185 ] ],
					];


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

						var p = params[ flares[ i ][ 0 ] ];

						var s = flares[ i ][ 1 ];

						var x = flares[ i ][ 2 ][ 0 ];
						var y = flares[ i ][ 2 ][ 1 ];
						var z = flares[ i ][ 2 ][ 2 ];

						var sprite = new THREE.Sprite( p );

						sprite.scale.set( s, s, s );
						sprite.position.set( x, y, z );

						object.bodyMesh.add( sprite );

						sprites.push( sprite );

					}

					checkStatus();

				};

				gallardo.loadPartsBinary( "obj/gallardo/parts/gallardo_body_bin.js", "obj/gallardo/parts/gallardo_wheel_bin.js" );

				//

				config[ "gallardo" ].model = gallardo;
				config[ "veyron" ].model = veyron;

				currentCar = gallardo;

				// EVENTS

				document.addEventListener( 'keydown', onKeyDown, false );
				document.addEventListener( 'keyup', onKeyUp, false );

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

				// POSTPROCESSING

				renderer.autoClear = false;

				renderTargetParameters = { minFilter: THREE.LinearFilter, magFilter: THREE.LinearFilter, format: THREE.RGBFormat, stencilBuffer: false };
				renderTarget = new THREE.WebGLRenderTarget( SCREEN_WIDTH, SCREEN_HEIGHT, renderTargetParameters );

				effectSave = new THREE.SavePass( new THREE.WebGLRenderTarget( SCREEN_WIDTH, SCREEN_HEIGHT, renderTargetParameters ) );

				effectBlend = new THREE.ShaderPass( THREE.ShaderExtras[ "blend" ], "tDiffuse1" );

				effectFXAA = new THREE.ShaderPass( THREE.ShaderExtras[ "fxaa" ] );
				var effectVignette = new THREE.ShaderPass( THREE.ShaderExtras[ "vignette" ] );
				var effectBleach = new THREE.ShaderPass( THREE.ShaderExtras[ "bleachbypass" ] );
				effectBloom = new THREE.BloomPass( 0.75 );

				effectFXAA.uniforms[ 'resolution' ].value.set( 1 / SCREEN_WIDTH, 1 / SCREEN_HEIGHT );

				// tilt shift

				hblur = new THREE.ShaderPass( THREE.ShaderExtras[ "horizontalTiltShift" ] );
				vblur = new THREE.ShaderPass( THREE.ShaderExtras[ "verticalTiltShift" ] );

				var bluriness = 7;

				hblur.uniforms[ 'h' ].value = bluriness / SCREEN_WIDTH;
				vblur.uniforms[ 'v' ].value = bluriness / SCREEN_HEIGHT;

				if ( FOLLOW_CAMERA ) {

					if ( currentCar == gallardo ) {

						hblur.uniforms[ 'r' ].value = vblur.uniforms[ 'r' ].value = rMap[ "gallardo" ];

					} else if ( currentCar == veyron ) {

						hblur.uniforms[ 'r' ].value = vblur.uniforms[ 'r' ].value = rMap[ "veyron" ];

					}

				} else {

					hblur.uniforms[ 'r' ].value = vblur.uniforms[ 'r' ].value = 0.35;

				}

				effectVignette.uniforms[ "offset" ].value = 1.05;
				effectVignette.uniforms[ "darkness" ].value = 1.5;

				// motion blur

				effectBlend.uniforms[ 'tDiffuse2' ].texture = effectSave.renderTarget;
				effectBlend.uniforms[ 'mixRatio' ].value = 0.65;

				var renderModel = new THREE.RenderPass( scene, camera );

				effectVignette.renderToScreen = true;

				composer = new THREE.EffectComposer( renderer, renderTarget );

				composer.addPass( renderModel );

				composer.addPass( effectFXAA );

				composer.addPass( effectBlend );
				composer.addPass( effectSave );

				composer.addPass( effectBloom );
				composer.addPass( effectBleach );

				composer.addPass( hblur );
				composer.addPass( vblur );

				composer.addPass( effectVignette );

			}

			//

			function checkStatus() {

				if ( gallardo.loaded && veyron.loaded ) {

					document.getElementById( "loading" ).style.display = "none";

				}

			}

			//

			function setSpritesOpacity( opacity ) {

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

					sprites[ i ].opacity = opacity;

				}

			}

			//


			function createScene() {

				// GROUND

				var texture = THREE.ImageUtils.loadTexture( "textures/cube/Park3Med/ny.jpg" );
				texture.wrapS = texture.wrapT = THREE.RepeatWrapping;
				texture.repeat.set( 50, 50 );

				groundBasic = new THREE.MeshBasicMaterial( { color: 0xffffff, map: texture } );
				groundBasic.color.setHSV( 0.1, 0.45, 0.995 );

				ground = new THREE.Mesh( new THREE.PlaneGeometry( 50000, 50000 ), groundBasic );
				ground.position.y = - 215;
				scene.add( ground );

				ground.castShadow = false;
				ground.receiveShadow = true;

				// OBJECTS

				var cylinderGeometry = new THREE.CylinderGeometry( 2, 50, 1000, 32 );
				var sphereGeometry = new THREE.SphereGeometry( 100, 32, 16 );

				var sy1 = -500 + 38;
				var sy2 = -88;

				addObject( cylinderGeometry, 0xff0000, 1500, 250, 0, sy1 );
				addObject( cylinderGeometry, 0xffaa00, -1500, 250, 0, sy1 );
				addObject( cylinderGeometry, 0x00ff00, 0, 250, 1500, sy1 );
				addObject( cylinderGeometry, 0x00ffaa, 0, 250, -1500, sy1 );

				addObject( sphereGeometry, 0xff0000, 1500, -125, 200, sy2 );
				addObject( sphereGeometry, 0xffaa00, -1500, -125, 200, sy2 );
				addObject( sphereGeometry, 0x00ff00, 200, -125, 1500, sy2 );
				addObject( sphereGeometry, 0x00ffaa, 200, -125, -1500, sy2 );

			}

			//

			function addObject( geometry, color, x, y, z, sy ) {

				var object = new THREE.Mesh( geometry, new THREE.MeshLambertMaterial( { color: color, ambient: color } ) );
				object.position.set( x, y, z );
				scene.add( object );

				object.castShadow = true;
				object.receiveShadow = true;

				var shadowTexture = THREE.ImageUtils.loadTexture( "textures/shadowAlpha.png" );

				var shadowPlane = new THREE.PlaneGeometry( 400, 400 );
				var shadowMaterial = new THREE.MeshBasicMaterial( {

					color: 0xff0000, opacity: 0.35, transparent: true, map: shadowTexture,
					polygonOffset: false, polygonOffsetFactor: -0.5, polygonOffsetUnits: 1

				} );

				var shadow = new THREE.Mesh( shadowPlane, shadowMaterial );
				shadow.position.y = sy;
				shadow.rotation.y = Math.PI / 2;

				object.add( shadow );

			}

			//

			function generateDropShadowTexture( object, width, height, bluriness ) {

				var renderTargetParameters = { minFilter: THREE.LinearMipmapLinearFilter, magFilter: THREE.LinearFilter, format: THREE.RGBAFormat, stencilBuffer: false };
				var shadowTarget = new THREE.WebGLRenderTarget( width, height, renderTargetParameters );

				var shadowMaterial = new THREE.MeshBasicMaterial( { color: 0x000000 } );
				var shadowGeometry = THREE.GeometryUtils.clone( object.geometry );

				var shadowObject = new THREE.Mesh( shadowGeometry, shadowMaterial );

				var shadowScene = new THREE.Scene();
				shadowScene.add( shadowObject );

				shadowObject.geometry.computeBoundingBox();

				var bb = shadowObject.geometry.boundingBox;

				var dimensions = new THREE.Vector3();
				dimensions.sub( bb.max, bb.min );

				var margin = 0.15,

				width  = dimensions.z,
				height = dimensions.x,
				depth  = dimensions.y,

				left   = bb.min.z - margin * width,
				right  = bb.max.z + margin * width,

				top    = bb.max.x + margin * height,
				bottom = bb.min.x - margin * height,

				near = bb.max.y + margin * depth,
				far  = bb.min.y - margin * depth;

				var topCamera = new THREE.OrthographicCamera( left, right, top, bottom, near, far );
				topCamera.position.y = bb.max.y;
				topCamera.lookAt( shadowScene.position );

				shadowScene.add( topCamera );

				var renderShadow = new THREE.RenderPass( shadowScene, topCamera );

				var blurShader = THREE.ShaderExtras[ "triangleBlur" ];
				var effectBlurX = new THREE.ShaderPass( blurShader, 'texture' );
				var effectBlurY = new THREE.ShaderPass( blurShader, 'texture' );

				renderShadow.clearColor = new THREE.Color( 0x000000 );
				renderShadow.clearAlpha = 0;

				var blurAmountX = bluriness / width;
				var blurAmountY = bluriness / height;

				effectBlurX.uniforms[ 'delta' ].value = new THREE.Vector2( blurAmountX, 0 );
				effectBlurY.uniforms[ 'delta' ].value = new THREE.Vector2( 0, blurAmountY );

				var shadowComposer = new THREE.EffectComposer( renderer, shadowTarget );

				shadowComposer.addPass( renderShadow );
				shadowComposer.addPass( effectBlurX );
				shadowComposer.addPass( effectBlurY );

				renderer.clear();
				shadowComposer.render( 0.1 );

				return shadowTarget;

			}


			//

			function addCar( object, x, y, z, s ) {

				object.root.position.set( x, y, z );
				scene.add( object.root );

				object.enableShadows( true );

				if ( FOLLOW_CAMERA && object == currentCar ) {

					object.root.add( camera );

					camera.position.set( 350, 500, 2200 );
					//camera.position.set( 0, 3000, -500 );

					cameraTarget.z = 500;
					cameraTarget.y = 150;

					camera.lookAt( cameraTarget );

				}

				var shadowTexture = generateDropShadowTexture( object.bodyMesh, 64, 32, 15 );

				object.bodyMesh.geometry.computeBoundingBox();
				var bb = object.bodyMesh.geometry.boundingBox;

				var ss = object.modelScale * 1.0;
				var shadowWidth  =        ss * ( bb.max.z - bb.min.z );
				var shadowHeight = 1.25 * ss * ( bb.max.x - bb.min.x );

				var shadowPlane = new THREE.PlaneGeometry( shadowWidth, shadowHeight );
				var shadowMaterial = new THREE.MeshBasicMaterial( {
					color: 0xffffff, opacity: 0.5, transparent: true, map: shadowTexture,
					polygonOffset: false, polygonOffsetFactor: -0.5, polygonOffsetUnits: 1
				} );

				var shadow = new THREE.Mesh( shadowPlane, shadowMaterial );
				shadow.rotation.y = Math.PI / 2;
				shadow.position.y = s + 10;

				object.root.add( shadow );

			}

			//

			function setCurrentCar( car, cameraType ) {

				var oldCar = currentCar;

				currentCar = config[ car ].model;

				if ( cameraType == "front" || cameraType == "back" ) {

					hblur.uniforms[ 'r' ].value = vblur.uniforms[ 'r' ].value = config[ car ].r;

					FOLLOW_CAMERA = true;

					oldCar.root.remove( camera );
					currentCar.root.add( camera );

					if ( cameraType == "front" ) {

						camera.position.set( 350, 500, 2200 );

					} else if ( cameraType == "back" ) {

						camera.position.copy( config[ car ].backCam );

					}

					cameraTarget.set( 0, 150, 500 );

				} else {

					FOLLOW_CAMERA = false;

					oldCar.root.remove( camera );

					camera.position.set( 2000, 0, 2000 );
					cameraTarget.set( 0, 0, 0 );

					spotLight.position.set( 0, 1800, 1500 );

					hblur.uniforms[ 'r' ].value = vblur.uniforms[ 'r' ].value = 0.35;

				}

			}

			//

			function onWindowResize( event ) {

				SCREEN_WIDTH = window.innerWidth;
				SCREEN_HEIGHT = window.innerHeight - 2 * MARGIN;

				renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );

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

				renderTarget = new THREE.WebGLRenderTarget( SCREEN_WIDTH, SCREEN_HEIGHT, renderTargetParameters );

				composer.reset( renderTarget );

				hblur.uniforms[ 'h' ].value = 10.75 / SCREEN_WIDTH;
				vblur.uniforms[ 'v' ].value = 10.75 / SCREEN_HEIGHT;

				effectFXAA.uniforms[ 'resolution' ].value.set( 1 / SCREEN_WIDTH, 1 / SCREEN_HEIGHT );

			}

			//

			function onKeyDown ( event ) {

				switch( event.keyCode ) {

					case 38: /*up*/	controlsGallardo.moveForward = true; break;
					case 87: /*W*/ 	controlsVeyron.moveForward = true; break;

					case 40: /*down*/controlsGallardo.moveBackward = true; break;
					case 83: /*S*/ 	 controlsVeyron.moveBackward = true; break;

					case 37: /*left*/controlsGallardo.moveLeft = true; break;
					case 65: /*A*/   controlsVeyron.moveLeft = true; break;

					case 39: /*right*/controlsGallardo.moveRight = true; break;
					case 68: /*D*/    controlsVeyron.moveRight = true; break;

					case 49: /*1*/	setCurrentCar( "gallardo", "center" ); break;
					case 50: /*2*/	setCurrentCar( "veyron", "center" ); break;
					case 51: /*3*/	setCurrentCar( "gallardo", "front" ); break;
					case 52: /*4*/	setCurrentCar( "veyron", "front" ); break;
					case 53: /*5*/	setCurrentCar( "gallardo", "back" ); break;
					case 54: /*6*/	setCurrentCar( "veyron", "back" ); break;

					case 78: /*N*/   vdir *= -1; break;

					case 66: /*B*/   blur = !blur; break;

				}

			};

			function onKeyUp ( event ) {

				switch( event.keyCode ) {

					case 38: /*up*/controlsGallardo.moveForward = false; break;
					case 87: /*W*/ controlsVeyron.moveForward = false; break;

					case 40: /*down*/controlsGallardo.moveBackward = false; break;
					case 83: /*S*/ 	 controlsVeyron.moveBackward = false; break;

					case 37: /*left*/controlsGallardo.moveLeft = false; break;
					case 65: /*A*/ 	 controlsVeyron.moveLeft = false; break;

					case 39: /*right*/controlsGallardo.moveRight = false; break;
					case 68: /*D*/ 	  controlsVeyron.moveRight = false; break;

				}

			};


			//

			function setMaterialsGallardo( car ) {

				// BODY

				var materials = car.bodyGeometry.materials;

				materials[ 0 ] = mlib.body[ 0 ][ 1 ]; 		// body
				materials[ 1 ] = mlib[ "Dark chrome" ]; 	// front under lights, back

				// WHEELS

				materials = car.wheelGeometry.materials;

				materials[ 0 ] = mlib[ "Chrome" ];			// insides
				materials[ 1 ] = mlib[ "Black rough" ];	// tire

			}

			function setMaterialsVeyron( car ) {

				// 0 - top, front center, back sides
				// 1 - front sides
				// 2 - engine
				// 3 - small chrome things
				// 4 - backlights
				// 5 - back signals
				// 6 - bottom, interior
				// 7 - windshield

				// BODY

				var materials = car.bodyGeometry.materials;

				materials[ 0 ] = mlib[ "Black metal" ];	// top, front center, back sides
				materials[ 1 ] = mlib[ "Chrome" ];			// front sides
				materials[ 2 ] = mlib[ "Chrome" ];			// engine
				materials[ 3 ] = mlib[ "Dark chrome" ];	// small chrome things
				materials[ 4 ] = mlib[ "Red glass" ];		// backlights
				materials[ 5 ] = mlib[ "Orange glass" ];	// back signals
				materials[ 6 ] = mlib[ "Black rough" ];	// bottom, interior
				materials[ 7 ] = mlib[ "Dark glass" ];		// windshield

				// WHEELS

				materials = car.wheelGeometry.materials;

				materials[ 0 ] = mlib[ "Chrome" ];			// insides
				materials[ 1 ] = mlib[ "Black rough" ];	// tire

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				render();
				stats.update();

			}

			function render() {

				var delta = clock.getDelta();

				// day / night

				v = THREE.Math.clamp( v + 0.5 * delta * vdir, 0.1, 0.9 );
				scene.fog.color.setHSV( 0.51, 0.5, v );

				renderer.setClearColor( scene.fog.color, 1 );

				var vnorm = ( v - 0.05 ) / ( 0.9 - 0.05 );

				if ( vnorm < 0.3 ) {

					setSpritesOpacity( 1 - v / 0.3 );

				} else {

					setSpritesOpacity( 0 );

				}

				if ( vnorm < 0.4 ) {

					if ( veyron.loaded ) {

						veyron.bodyGeometry.materials[ 1 ] = mlib[ "ChromeN" ];
						veyron.bodyGeometry.materials[ 2 ] = mlib[ "ChromeN" ];

						veyron.wheelGeometry.materials[ 0 ] = mlib[ "ChromeN" ];

					}

					if ( gallardo.loaded ) {

						gallardo.wheelGeometry.materials[ 0 ] = mlib[ "ChromeN" ];

					}

				} else {

					if ( veyron.loaded ) {

						veyron.bodyGeometry.materials[ 1 ] = mlib[ "Chrome" ];
						veyron.bodyGeometry.materials[ 2 ] = mlib[ "Chrome" ];

						veyron.wheelGeometry.materials[ 0 ] = mlib[ "Chrome" ];

					}

					if ( gallardo.loaded ) {

						gallardo.wheelGeometry.materials[ 0 ] = mlib[ "Chrome" ];

					}

				}

				effectBloom.screenUniforms[ "opacity" ].value = THREE.Math.mapLinear( vnorm, 0, 1, 1, 0.75 );

				ambientLight.color.setHSV( 0, 0, THREE.Math.mapLinear( vnorm, 0, 1, 0.07, 0.33 ) );
				groundBasic.color.setHSV( 0.1, 0.45, THREE.Math.mapLinear( vnorm, 0, 1, 0.725, 0.995 ) );

				// blur

				if ( blur ) {

					effectSave.enabled = true;
					effectBlend.enabled = true;

				} else {

					effectSave.enabled = false;
					effectBlend.enabled = false;

				}

				// update car model

				veyron.updateCarModel( delta, controlsVeyron );
				gallardo.updateCarModel( delta, controlsGallardo );

				// update camera

				if ( ! FOLLOW_CAMERA ) {

					cameraTarget.x = currentCar.root.position.x;
					cameraTarget.z = currentCar.root.position.z;

				} else {

					spotLight.position.x = currentCar.root.position.x - 500;
					spotLight.position.z = currentCar.root.position.z - 500;


				}

				// update shadows

				spotLight.target.position.x = currentCar.root.position.x;
				spotLight.target.position.z = currentCar.root.position.z;

				// render cube map

				var updateCubemap = true;

				if ( updateCubemap ) {

					veyron.setVisible( false );
					gallardo.setVisible( false );

					cubeCamera.position.copy( currentCar.root.position );

					renderer.autoUpdateObjects = false;
					renderer.initWebGLObjects( scene );

					renderer.autoClear = true;
					cubeCamera.updateCubeMap( renderer, scene );

					veyron.setVisible( true );
					gallardo.setVisible( true );

				}

				// render scene

				renderer.autoClear = false;
				renderer.shadowMapEnabled = true;
				renderer.autoUpdateObjects = true;

				camera.lookAt( cameraTarget );

				renderer.clearTarget( null );
				composer.render( 0.1 );

				renderer.shadowMapEnabled = false;

			}

		</script>

	</body>
</html>