samien
/
three.js
mirror of https://github.com/mrdoob/three.js.git


			
				
					
						
						
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147
							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgpu - lightmap</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="three.js webgpu - lightmap">
		<meta property="og:type" content="website">
		<meta property="og:url" content="https://threejs.org/examples/webgpu_materials_lightmap.html">
		<meta property="og:image" content="https://threejs.org/examples/screenshots/webgpu_materials_lightmap.jpg">
		<link type="text/css" rel="stylesheet" href="example.css">
	</head>

	<body>

		<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 { vec4, color, positionLocal, mix } from 'three/tsl';

			import { Inspector } from 'three/addons/inspector/Inspector.js';

			import { OrbitControls } from 'three/addons/controls/OrbitControls.js';

			let container;
			let camera, scene, renderer;

			const params = {
				intensity: 1
			};

			init();

			async function init() {

				const { innerWidth, innerHeight } = window;

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

				// CAMERA

				camera = new THREE.PerspectiveCamera( 40, innerWidth / innerHeight, 1, 10000 );
				camera.position.set( 700, 200, - 500 );

				// SCENE

				scene = new THREE.Scene();

				// LIGHTS

				const light = new THREE.DirectionalLight( 0xd5deff );
				light.position.x = 300;
				light.position.y = 250;
				light.position.z = - 500;
				scene.add( light );

				// SKYDOME

				const topColor = new THREE.Color().copy( light.color );
				const bottomColor = new THREE.Color( 0xffffff );
				const offset = 400;
				const exponent = 0.6;

				const h = positionLocal.add( offset ).normalize().y;

				const skyMat = new THREE.MeshBasicNodeMaterial();
				skyMat.colorNode = vec4( mix( color( bottomColor ), color( topColor ), h.max( 0.0 ).pow( exponent ) ), 1.0 );
				skyMat.side = THREE.BackSide;

				const sky = new THREE.Mesh( new THREE.SphereGeometry( 4000, 32, 15 ), skyMat );
				scene.add( sky );

				// MODEL

				const loader = new THREE.ObjectLoader();
				const object = await loader.loadAsync( 'models/json/lightmap/lightmap.json' );
				scene.add( object );

				// RENDERER

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

				// CONTROLS

				const controls = new OrbitControls( camera, renderer.domElement );
				controls.maxPolarAngle = 0.9 * Math.PI / 2;
				controls.enableZoom = false;

				// GUI

				const gui = renderer.inspector.createParameters( 'Parameters' );

				gui.add( params, 'intensity', 0, 1 ).name( 'Light Map Intensity' ).onChange( ( value ) => {

					for ( const material of object.material ) {

						material.lightMapIntensity = value;

					}

				} );

				//

				window.addEventListener( 'resize', onWindowResize );

			}

			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>