samien
/
three.js
oglindă de https://github.com/mrdoob/three.js.git


			
				
					
						
						
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208
							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>threejs webgpu - 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"/>
		<meta property="og:title" content="threejs webgpu - materials - ground projected environment mapping" />
		<meta property="og:type" content="website" />
		<meta property="og:url" content="https://threejs.org/examples/webgpu_materials_envmaps_groundprojected.html" />
		<meta property="og:image" content="https://threejs.org/examples/screenshots/webgpu_materials_envmaps_groundprojected.jpg" />
		<link type="text/css" rel="stylesheet" href="example.css">
	</head>
	<body>
		<div id="info">
			<a href="https://threejs.org/" target="_blank" rel="noopener" class="logo-link"></a>

			<div class="title-wrapper">
				<a href="https://threejs.org/" target="_blank" rel="noopener">three.js</a><span>Ground Projected Env Maps</span>
			</div>

			<small>
				Ferrari 458 Italia model by <a href="https://sketchfab.com/models/57bf6cc56931426e87494f554df1dab6" target="_blank" rel="noopener">vicent091036</a><br>
				<a href="https://polyhaven.com/a/blouberg_sunrise_2" target="_blank" rel="noopener">Blouberg Sunrise 2</a> by <a href="https://gregzaal.com/" target="_blank" rel="noopener">Greg Zaal</a>
			</small>
		</div>

		<script type="importmap">
			{
				"imports": {
					"three": "../build/three.webgpu.js",
					"three/webgpu": "../build/three.webgpu.js",
					"three/tsl": "../build/three.tsl.js",
					"three/addons/": "./jsm/"
				}
			}
		</script>

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

			import { Inspector } from 'three/addons/inspector/Inspector.js';
			import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
			import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
			import { DRACOLoader } from 'three/addons/loaders/DRACOLoader.js';
			import { HDRLoader } from 'three/addons/loaders/HDRLoader.js';
			import { getGroundProjectedNormal } from 'three/addons/tsl/utils/GroundedSkybox.js';

			import { cubeTexture, float } from 'three/tsl';

			const params = {
				height: 15,
				radius: 100,
				enabled: true,
			};

			let camera, scene, renderer;

			init();

			async function init() {

				camera = new THREE.PerspectiveCamera(
					40,
					window.innerWidth / window.innerHeight,
					1,
					1000
				);
				camera.position.set( - 20, 7, 20 );
				camera.lookAt( 0, 4, 0 );

				scene = new THREE.Scene();

				const hdrLoader = new HDRLoader();
				const envMap = await hdrLoader.loadAsync( 'textures/equirectangular/blouberg_sunrise_2_1k.hdr' );
				envMap.mapping = THREE.EquirectangularReflectionMapping;

				scene.environment = envMap;

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

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

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

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

					const bodyMaterial = new THREE.MeshPhysicalMaterial( {
						color: 0x000000, metalness: 1.0, roughness: 0.8,
						clearcoat: 1.0, clearcoatRoughness: 0.2
					} );

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

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

					const carModel = gltf.scene.children[ 0 ];
					carModel.scale.multiplyScalar( 4 );
					carModel.rotation.y = Math.PI;

					carModel.getObjectByName( 'body' ).material = bodyMaterial;

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

					carModel.getObjectByName( 'glass' ).material = glassMaterial;

					// 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, premultipliedAlpha: true
						} )
					);
					mesh.rotation.x = - Math.PI / 2;
					carModel.add( mesh );

					scene.add( carModel );

				} );

				//

				renderer = new THREE.WebGPURenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setAnimationLoop( animate );
				renderer.inspector = new Inspector();
				renderer.toneMapping = THREE.ACESFilmicToneMapping;
				document.body.appendChild( renderer.domElement );

				await renderer.init();

				// use a cube map to avoid visual artifacts at the skybox's poles

				const size = envMap.image.height;
				const cubeRenderTarget = new THREE.CubeRenderTarget( size );
				cubeRenderTarget.fromEquirectangularTexture( renderer, envMap );
				const cubeMap = cubeRenderTarget.texture;

				// grounded skybox

				const geometry = new THREE.IcosahedronGeometry( 1, 16 );
				const material = new THREE.MeshBasicNodeMaterial( { side: THREE.DoubleSide } );
				material.colorNode = cubeTexture( cubeMap, getGroundProjectedNormal( float( params.radius ), float( params.height ) ) );

				const skybox = new THREE.Mesh( geometry, material );
				skybox.scale.setScalar( params.radius );
				scene.add( skybox );

				//

				const controls = new OrbitControls( camera, renderer.domElement );
				controls.target.set( 0, 2, 0 );
				controls.maxPolarAngle = THREE.MathUtils.degToRad( 90 );
				controls.maxDistance = 80;
				controls.minDistance = 20;
				controls.enablePan = false;
				controls.update();

				window.addEventListener( 'resize', onWindowResize );

				const gui = renderer.inspector.createParameters( 'Parameters' );
				gui.add( params, 'enabled' ).name( 'Grounded' ).onChange( function ( value ) {

					if ( value ) {

						scene.add( skybox );
						scene.background = null;

					} else {

						scene.remove( skybox );
						scene.background = scene.environment;

					}

				} );

			

			}

			function onWindowResize() {

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

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

			}

			function animate() {

				renderer.render( scene, camera );

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