javascript
/
three.js
peilaus alkaen https://github.com/tazdij/three.js.git


			
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396
							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - materials - cube reflection [cars]</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: #000;
				margin: 0px;
				overflow: hidden;
			}
			#info {
				position: absolute;
				top: 10px;
				width: 100%;
				text-align: center;
				z-index: 100;
			}
			#info a {
				color: red;
				font-weight: bold;
			}
		</style>
	</head>

	<body>
		<div id="info">
			<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> car materials demo :
			Ferrari 458 Italia model by <a href="https://sketchfab.com/models/57bf6cc56931426e87494f554df1dab6" target="_blank" rel="noopener">vicent091036</a>
			<br><br>
			<strong>MATERIALS:</strong>
			<span>Body: <select id="body-mat"></select></span>
			<span>Rims / Trim: <select id="rim-mat"></select></span>
			<span>Glass: <select id="glass-mat"></select></span><br>
			<span><strong>Driving Mode</strong>(arrow keys and space)<input type="checkbox" id="drive-toggle"></span>
		</div>

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

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

		<script src="js/loaders/DRACOLoader.js"></script>
		<script src="js/loaders/GLTFLoader.js"></script>

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

		<script src="js/controls/OrbitControls.js"></script>

		<script src="js/pmrem/PMREMGenerator.js"></script>
		<script src="js/pmrem/PMREMCubeUVPacker.js"></script>
		<script src="js/loaders/RGBELoader.js"></script>
		<script src="js/loaders/HDRCubeTextureLoader.js"></script>

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

		<script>

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

			var camera, scene, renderer, controls, stats, carModel, materialsLib, envMap;

			var bodyMatSelect = document.getElementById( 'body-mat' );
			var rimMatSelect = document.getElementById( 'rim-mat' );
			var glassMatSelect = document.getElementById( 'glass-mat' );

			var driveModeToggle = document.getElementById( 'drive-toggle' );
			driveModeToggle.addEventListener( 'change', onDriveModeToggle );

			var lightHolder = new THREE.Group();
			var clock = new THREE.Clock();
			var car = new THREE.Car();
			car.enabled = false;

			var carParts = {
				body: [],
				rims:[],
				glass: [],
			};


			var damping = 5.0;
			var distance = 5;
			var cameraTarget = new THREE.Vector3();
			var origin = new THREE.Vector3();

			function init() {

				var container = document.getElementById( 'container' );

				camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 200 );
				camera.position.set( 3.25, 1.25, -5 );

				controls = new THREE.OrbitControls( camera, container );
				controls.enableDamping = true;
				controls.dampingFactor = 0.25;
				controls.target.set( 0, 0.75, 0 );

				scene = new THREE.Scene();
				scene.fog = new THREE.Fog( 0xa0a0a0, 10, 80 );

				scene.background = new THREE.CubeTextureLoader()
					.setPath( 'textures/cube/skybox/')
					.load( [ 'px.jpg', 'nx.jpg', 'py.jpg', 'ny.jpg', 'pz.jpg', 'nz.jpg' ] );

				ground = new THREE.Mesh( new THREE.PlaneBufferGeometry( 2400, 2400 ), new THREE.MeshStandardMaterial( { color: 0xffffff, metalness: 0, roughness: 1 } ) );
				ground.rotation.x = - Math.PI / 2;
				ground.receiveShadow = true;
				scene.add( ground );

				var grid = new THREE.GridHelper( 2400, 120, 0x000000, 0x000000 );
				grid.material.opacity = 0.2;
				grid.material.transparent = true;
				scene.add( grid );

				var hemiLight = new THREE.HemisphereLight( 0xfefeb4, 0x99ccff, 0.3 );
				hemiLight.position.set( -1.5, 1.5, 1.5 );
				scene.add( hemiLight );

				shadowLight  = new THREE.DirectionalLight( 0xffffff, 0.3 );
				shadowLight.position.set( -1.5, 1.5, 1.5 );
				shadowLight.castShadow = true;
				shadowLight.shadow.width = 1024;
				shadowLight.shadow.height = 1024;
				shadowLight.shadow.camera.top = 2;
				shadowLight.shadow.camera.bottom = -2;
				shadowLight.shadow.camera.left = -2.5;
				shadowLight.shadow.camera.right = 2.5;
				shadowLight.shadow.camera.far = 5.5;
				shadowLight.shadow.bias = -0.025;

				lightHolder.add( shadowLight, shadowLight.target );

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.gammaOutput = true;
				renderer.shadowMap.enabled = true;
				renderer.setSize( window.innerWidth, window.innerHeight );

				container.appendChild( renderer.domElement );

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

				initCar();

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

				renderer.setAnimationLoop( function() {

					update();

					renderer.render( scene, camera );

				} );

			}

			var genCubeUrls = function( prefix, postfix ) {
				return [
					prefix + 'px' + postfix, prefix + 'nx' + postfix,
					prefix + 'py' + postfix, prefix + 'ny' + postfix,
					prefix + 'pz' + postfix, prefix + 'nz' + postfix
				];
			};

			var hdrUrls = genCubeUrls( './textures/cube/pisaHDR/', '.hdr' );
			new THREE.HDRCubeTextureLoader().load( THREE.UnsignedByteType, hdrUrls, function ( hdrCubeMap ) {

				var pmremGenerator = new THREE.PMREMGenerator( hdrCubeMap );
				pmremGenerator.update( renderer );

				var pmremCubeUVPacker = new THREE.PMREMCubeUVPacker( pmremGenerator.cubeLods );
				pmremCubeUVPacker.update( renderer );

				var hdrCubeRenderTarget = pmremCubeUVPacker.CubeUVRenderTarget;

				envMap = hdrCubeRenderTarget.texture;

				initMaterials();
				initMaterialSelectionMenus();

				hdrCubeMap.dispose();
				pmremGenerator.dispose();
				pmremCubeUVPacker.dispose();

			} );


			function initCar() {

				THREE.DRACOLoader.setDecoderPath( 'js/libs/draco/gltf/' );

				var loader = new THREE.GLTFLoader();
				loader.setDRACOLoader( new THREE.DRACOLoader() );

				loader.load( 'models/fbx/ferrari.glb', function( gltf ) {

					carModel = gltf.scene.children[ 0 ];

					// add lightHolder to car so that the shadow will track the car as it moves
					carModel.add( lightHolder );

					car.setModel( carModel );

					carModel.traverse( function ( child ) {

						if ( child.isMesh ) {

							child.castShadow = true;
							child.receiveShadow = true;
							child.material.envMap = envMap;

						}

					} );

					scene.add( carModel );

					// car parts for material selection
					carParts.body.push( carModel.getObjectByName( 'body' ) );

					carParts.rims.push(
						carModel.getObjectByName( 'rim_fl' ),
						carModel.getObjectByName( 'rim_fr' ),
						carModel.getObjectByName( 'rim_rr' ),
						carModel.getObjectByName( 'rim_rl' ),
						carModel.getObjectByName( 'trim' ),
					);

					carParts.glass.push(
						carModel.getObjectByName( 'glass' ),
					 );

					updateMaterials();

				});

			}

			function initMaterials() {

				materialsLib = {

					main: [

						new THREE.MeshStandardMaterial( { color: 0xff6600, envMap: envMap, metalness: 0.25, roughness: 0.15, name: 'orange' } ),
						new THREE.MeshStandardMaterial( { color: 0x001133, envMap: envMap, metalness: 0.25, roughness: 0.15, name: 'blue' } ),
						new THREE.MeshStandardMaterial( { color: 0x660000, envMap: envMap, metalness: 0.25, roughness: 0.15, name: 'red' } ),
						new THREE.MeshStandardMaterial( { color: 0x000000, envMap: envMap, metalness: 1, roughness: 0, name: 'black' } ),
						new THREE.MeshStandardMaterial( { color: 0xffffff, envMap: envMap, metalness: 0.25, roughness: 0.15, name: 'white' } ),
						new THREE.MeshStandardMaterial( { color: 0xcccccc, envMap: envMap, metalness: 1, roughness: 0, name: 'metallic' } ),

					],

					glass: [

						new THREE.MeshStandardMaterial( { color: 0x000000, envMap: envMap, metalness: 0.0, roughness: 0.25, opacity: 0.5, transparent: true, refractionRatio: 0.25, name: 'clear'} ),
						new THREE.MeshStandardMaterial( { color: 0x000000, envMap: envMap, metalness: 0, roughness: 0.25, opacity: 0.75, transparent: true, refractionRatio: 0.75, name: 'smoked' } ),
						new THREE.MeshStandardMaterial( { color: 0x001133, envMap: envMap, metalness: 0, roughness: 0.25, opacity: 0.5, transparent: true, refractionRatio: 0.75, name: 'blue' } ),

					],

				}

			}

			function initMaterialSelectionMenus() {

				function addOption( name, menu ) {

					var option = document.createElement( 'option' );
					option.text = name;
					option.value = name;
					menu.add( option );

				}

				materialsLib.main.forEach( function( material ) {

					addOption( material.name, bodyMatSelect );
					addOption( material.name, rimMatSelect );

				} );

				materialsLib.glass.forEach( function( material ) {

					addOption( material.name, glassMatSelect );

				} );

				bodyMatSelect.selectedIndex = 2;
				rimMatSelect.selectedIndex = 4;
				glassMatSelect.selectedIndex = 0;

				bodyMatSelect.addEventListener( 'change', updateMaterials );
				rimMatSelect.addEventListener( 'change', updateMaterials );
				glassMatSelect.addEventListener( 'change', updateMaterials );

			}

			// set materials to the current values of the selection menus
			function updateMaterials() {

				var bodyMat = materialsLib.main[ bodyMatSelect.selectedIndex ];
				var rimMat = materialsLib.main[ rimMatSelect.selectedIndex ];
				var glassMat = materialsLib.glass[ glassMatSelect.selectedIndex ];

				carParts.body.forEach( function ( part ) { part.material = bodyMat; } );
				carParts.rims.forEach( function ( part ) { part.material = rimMat; } );
				carParts.glass.forEach( function ( part ) { part.material = glassMat; } );

			}

			function onWindowResize() {

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

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

			}

			function onDriveModeToggle() {

				car.enabled = !car.enabled;
				controls.enabled = !car.enabled;

				controls.reset();
				carModel.position.copy( origin );

			}

			function update() {

				var delta = clock.getDelta();

				if ( carModel && !controls.enabled ) {

					car.update( delta );

					updateCamera( delta );

					resetPosition();

					// keep the light (and shadow) pointing in the same direction as the car rotates
					lightHolder.rotation.y = -carModel.rotation.y;

				} else {

					controls.update();

				}

				stats.update();

			}

			function updateCamera( delta ) {

				carModel.getWorldPosition( cameraTarget );
				cameraTarget.y = 2.5;
				cameraTarget.z += distance;

				camera.position.lerp( cameraTarget, delta * damping );
				camera.lookAt( carModel.position );

      }

      function resetPosition() {

				if( carModel.position.distanceTo( origin ) > 1200 ) {

					carModel.position.copy( origin );
					car.speed = 0;
					car.enabled = false;

					setTimeout( function() {

						car.enabled = true;

					}, 1500 )

				}

      }

			init();

		</script>

	</body>
</html>