javascript
/
three.js
镜像来自 https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - GLTFloader + Punctual Lights</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="info">
			<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - GLTFLoader + <a href="https://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Khronos/KHR_lights_punctual" target="_blank" rel="noopener">KHR_lights_punctual</a><br />
			Lamp by
			<a href="https://www.artstation.com/teresagviegas" target="_blank" rel="noopener">Teresa González Viegas</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",
					"three/addons/": "./jsm/"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three';

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

			import { GUI } from 'three/addons/libs/lil-gui.module.min.js';

			let camera, scene, renderer;
			
			const params = {
				punctualLightsEnabled: true
			};

			init().then( render );

			async function init() {

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

				camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.25, 20 );
				camera.position.set( - 2, 1.5, 3 );

				scene = new THREE.Scene();

				const rgbeLoader = new RGBELoader();
				const envMap = await rgbeLoader.loadAsync( 'textures/equirectangular/moonless_golf_1k.hdr ' );
				envMap.mapping = THREE.EquirectangularReflectionMapping;

				scene.background = envMap;
				scene.environment = envMap;

				const loader = new GLTFLoader();
				const gltf = await loader.loadAsync( 'models/gltf/LightsPunctualLamp.glb' );

				scene.add( gltf.scene );

				const gui = new GUI();

				gui.add( params, 'punctualLightsEnabled' ).onChange( toggleLights );
				gui.open();

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.toneMapping = THREE.ACESFilmicToneMapping;
				renderer.toneMappingExposure = 1;
				renderer.useLegacyLights = false;
				container.appendChild( renderer.domElement );

				const controls = new OrbitControls( camera, renderer.domElement );
				controls.addEventListener( 'change', render ); // use if there is no animation loop
				controls.minDistance = 2;
				controls.maxDistance = 10;
				controls.target.set( 0, 1, 0 );
				controls.update();

				window.addEventListener( 'resize', onWindowResize );

			}

			function onWindowResize() {

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

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

				render();

			}

			function toggleLights( visible ) {

				scene.traverse( function ( object ) {

					if ( object.isLight ) {

						object.visible = visible;

					}

				} );

				render();

			}

			//

			function render() {

				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>