javascript
/
three.js
espejo de https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>
			threejs webgl - materials - ground projected environment mapping
		</title>
		<meta charset="utf-8" />
		<meta
			name="viewport"
			content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0"
		/>
		<link type="text/css" rel="stylesheet" href="main.css" />
	</head>
	<body>
		<div id="container"></div>
		<div id="info">
			<a href="https://threejs.org" target="_blank" rel="noopener">threejs</a> -
			Ground projected environment mapping. By
			<a href="https://twitter.com/CantBeFaraz" target="_blank" rel="noopener"
				>Faraz Shaikh</a
			>.
			<br> 
			Ferrari 458 Italia model by <a href="https://sketchfab.com/models/57bf6cc56931426e87494f554df1dab6" target="_blank" rel="noopener">vicent091036</a>
		</div>

		<!-- Import maps polyfill -->
		<!-- Remove this when import maps will be widely supported -->
		<script
			async
			src="https://unpkg.com/[email protected]/dist/es-module-shims.js"
		></script>

		<script type="importmap">
			{
				"imports": {
					"three": "../build/three.module.js"
				}
			}
		</script>

		<script type="module">
			import * as THREE from 'three';

			import Stats from './jsm/libs/stats.module.js';

			import { GUI } from './jsm/libs/lil-gui.module.min.js';
			import { OrbitControls } from './jsm/controls/OrbitControls.js';
			import { GroundProjectedEnv } from './jsm/objects/GroundProjectedEnv.js';
			import { GLTFLoader } from './jsm/loaders/GLTFLoader.js';
			import { DRACOLoader } from './jsm/loaders/DRACOLoader.js';
			import { FlakesTexture } from './jsm/textures/FlakesTexture.js';

			const params = {
				height: 34,
				radius: 440,
				toneMappingExposure: 1
			};

			let camera, scene, renderer, stats, env,dirLight;

			init();
			animate();

			function init() {

				initScene();
				initMisc();

				document.body.appendChild( renderer.domElement );
				window.addEventListener( 'resize', onWindowResize );
			
			}

			function initScene() {

				camera = new THREE.PerspectiveCamera(
					45,
					window.innerWidth / window.innerHeight,
					1,
					1000
				);
				camera.position.set( - 1, 0.3, 1 ).multiplyScalar( 25 );

				scene = new THREE.Scene();

				dirLight = new THREE.DirectionalLight( 0xffffff, 0.2 );
				dirLight.position.set( 10, 8, 10 );
				dirLight.castShadow = true;
				dirLight.shadow.camera.near = 1;
				dirLight.shadow.camera.far = 100;
				dirLight.shadow.camera.right = 150;
				dirLight.shadow.camera.left = - 150;
				dirLight.shadow.camera.top = 150;
				dirLight.shadow.camera.bottom = - 150;
				dirLight.shadow.mapSize.width = 1024;
				dirLight.shadow.mapSize.height = 1024;
				scene.add( dirLight );

				const geometry = new THREE.PlaneGeometry( 1, 1 );
				const material = new THREE.ShadowMaterial( { opacity: 0.3 } );

				const ground = new THREE.Mesh( geometry, material );
				ground.scale.setScalar( 1000 );
				ground.rotation.x = - Math.PI / 2;
				ground.position.y = - 0.001;
				ground.castShadow = false;
				ground.receiveShadow = true;
				scene.add( ground );

				const cubeLoader = new THREE.CubeTextureLoader();
				cubeLoader.setPath( 'textures/cube/lake/' );

				const textureCube = cubeLoader.load( [
					'px.png',
					'nx.png',
					'py.png',
					'ny.png',
					'pz.png',
					'nz.png',
				] );

				env = new GroundProjectedEnv( textureCube );
				env.scale.setScalar( 100 );
				scene.add( env );

				scene.background = textureCube;
				scene.environment = textureCube;

				const dracoLoader = new DRACOLoader();
				dracoLoader.setDecoderPath( 'js/libs/draco/gltf/' );

				const loader = new GLTFLoader();
				loader.setDRACOLoader( dracoLoader );

				const normalMap3 = new THREE.CanvasTexture( new FlakesTexture() );
				normalMap3.wrapS = THREE.RepeatWrapping;
				normalMap3.wrapT = THREE.RepeatWrapping;
				normalMap3.repeat.x = 10;
				normalMap3.repeat.y = 6;
				normalMap3.anisotropy = 16;

				const bodyMaterial = new THREE.MeshPhysicalMaterial( {
					clearcoat: 1.0,
					clearcoatRoughness: 0.1,
					metalness: 1,
					roughness: 0.4,
					color: 0xff2800,
					normalMap: normalMap3,
					normalScale: new THREE.Vector2( 0.15, 0.15 ),
				} );

				const wheelMaterial = new THREE.MeshPhysicalMaterial( {
					clearcoat: 1.0,
					clearcoatRoughness: 0.1,
					metalness: 0.9,
					roughness: 0.5,
					color: '#080808',
					normalMap: normalMap3,
					normalScale: new THREE.Vector2( 0.15, 0.15 ),
				} );

				const yellowMaterial = new THREE.MeshPhysicalMaterial( {
					clearcoat: 1.0,
					clearcoatRoughness: 0.1,
					metalness: 1,
					roughness: 0.2,
					color: '#e66b00',
				} );

				const lightsMaterial = new THREE.MeshPhysicalMaterial( {
					emissive: '#ffffff',
					color: 'white',
				} );

				const chromeMaterial = new THREE.MeshPhysicalMaterial( {
					clearcoat: 1.0,
					clearcoatRoughness: 0.1,
					metalness: 0.9,
					roughness: 0.5,
					color: 0xffffff,
				} );

				const detailsMaterial = new THREE.MeshStandardMaterial( {
					clearcoat: 1.0,
					clearcoatRoughness: 0.1,
					metalness: 0.9,
					roughness: 0.5,
					color: 0xffffff,
				} );

				const glassMaterial = new THREE.MeshPhysicalMaterial( {
					color: 0xffffff,
					metalness: 0.25,
					roughness: 0,
					transmission: 1.0,
					clearcoat: 1.0,
					clearcoatRoughness: 0,
				} );

				const shadow = new THREE.TextureLoader().load(
					'models/gltf/ferrari_ao.png'
				);

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

					gltf.scene.scale.setScalar( 6 );

					const box = new THREE.Box3().setFromObject( gltf.scene );
					gltf.scene.position.y = - box.min.y;
					gltf.scene.rotation.y = THREE.MathUtils.degToRad( 180 );

					gltf.scene.traverse( ( obj ) => {

						if ( obj.isMesh ) {

							obj.castShadow = obj.recieveShadow = true;

						}

					} );

					gltf.scene.getObjectByName( 'body' ).material = bodyMaterial;

					gltf.scene.getObjectByName( 'rim_fl' ).material = detailsMaterial;
					gltf.scene.getObjectByName( 'rim_fr' ).material = detailsMaterial;
					gltf.scene.getObjectByName( 'rim_rr' ).material = detailsMaterial;
					gltf.scene.getObjectByName( 'rim_rl' ).material = detailsMaterial;
					gltf.scene.getObjectByName( 'trim' ).material = detailsMaterial;

					gltf.scene.getObjectByName( 'glass' ).material = glassMaterial;

					gltf.scene.getObjectByName( 'wheel' ).material = wheelMaterial;
					gltf.scene.getObjectByName( 'wheel_1' ).material = wheelMaterial;
					gltf.scene.getObjectByName( 'wheel_2' ).material = wheelMaterial;
					gltf.scene.getObjectByName( 'wheel_3' ).material = wheelMaterial;
					gltf.scene.getObjectByName( 'brake' ).material = wheelMaterial;
					gltf.scene.getObjectByName( 'interior_dark' ).material = wheelMaterial;
					gltf.scene.getObjectByName( 'brake_1' ).material = wheelMaterial;
					gltf.scene.getObjectByName( 'brake_2' ).material = wheelMaterial;
					gltf.scene.getObjectByName( 'brake_3' ).material = wheelMaterial;

					gltf.scene.getObjectByName( 'yellow_trim' ).material = yellowMaterial;
					gltf.scene.getObjectByName( 'lights' ).material = lightsMaterial;
					gltf.scene.getObjectByName( 'chrome' ).material = chromeMaterial;

					gltf.scene.getObjectByName( 'wheel_fl' ).rotation.z =
						THREE.MathUtils.degToRad( - 30 );
					gltf.scene.getObjectByName( 'wheel_fr' ).rotation.z =
						THREE.MathUtils.degToRad( - 30 );

					// shadow
					const mesh = new THREE.Mesh(
						new THREE.PlaneGeometry( 0.655 * 4, 1.3 * 4 ),
						new THREE.MeshBasicMaterial( {
							map: shadow,
							blending: THREE.MultiplyBlending,
							toneMapped: false,
							transparent: true,
						} )
					);
					mesh.rotation.x = - Math.PI / 2;
					mesh.renderOrder = 2;
					gltf.scene.add( mesh );

					scene.add( gltf.scene );

				} );

			}

			function initMisc() {

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.shadowMap.enabled = true;
				renderer.shadowMap.type = THREE.PCFSoftShadowMap;
				renderer.toneMapping = THREE.ACESFilmicToneMapping;
				
				// Mouse control
				const controls = new OrbitControls( camera, renderer.domElement );
				controls.target.set( 0, 0, 0 );
				controls.maxPolarAngle = THREE.MathUtils.degToRad( 80 );
				controls.maxDistance = 100;
				controls.minDistance = 30;
				controls.enablePan = false;
				controls.update();

				stats = new Stats();
				document.body.appendChild( stats.dom );

				const gui = new GUI();
				gui.add( params, 'height', 20, 50, 0.1 );
				gui.add( params, 'radius', 200, 600, 0.1 );
				gui.add( renderer, 'toneMappingExposure', 0, 2, 0.1 ).name( 'exposure' );

			}

			function onWindowResize() {

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

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

			}

			function animate() {

				requestAnimationFrame( animate );
				render();

				stats.update();

			}

			function renderScene() {

				renderer.render( scene, camera );

			}

			function render() {

				renderScene();

				env.radius = params.radius;
				env.height = params.height;

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