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 - glTF 2.0 - compressed</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 + compression extensions<br />
			<a href="https://sketchfab.com/3d-models/coffeemat-7fb196a40a6e4697aad9ca2f75c8b33d" target="_blank" rel="noopener">Coffeemat</a> by
			<a href="https://sketchfab.com/OFFcours1" target="_blank" rel="noopener">Roman Red</a><br />
			<a href="https://hdrihaven.com/hdri/?h=royal_esplanade" target="_blank" rel="noopener">Royal Esplanade</a> by <a href="https://hdrihaven.com/" target="_blank" rel="noopener">HDRI Haven</a>
		</div>

		<script src="./js/libs/basis/msc_basis_transcoder.js"></script>

		<script type="module">

			import * as THREE from '../build/three.module.js';

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

			import { KTX2Loader } from './jsm/loaders/KTX2Loader.js';
			import { MeshoptDecoder } from './jsm/libs/meshopt_decoder.module.js';

			let camera, scene, renderer;

			init();
			render();

			function init() {

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

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

				camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 2000 );
				camera.position.set( 0, 90, 0 );

				scene = new THREE.Scene();

				const ktx2Loader = new KTX2Loader().detectSupport( renderer );

				new RGBELoader()
					.setDataType( THREE.UnsignedByteType )
					.setPath( 'textures/equirectangular/' )
					.load( 'royal_esplanade_1k.hdr', function ( texture ) {

						const envMap = pmremGenerator.fromEquirectangular( texture ).texture;

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

						texture.dispose();
						pmremGenerator.dispose();

						render();

						// model

						const loader = new GLTFLoader().setPath( 'models/gltf/' );
						loader.setKTX2Loader( ktx2Loader );
						loader.setMeshoptDecoder( MeshoptDecoder );

						// coffeemat.glb was produced from the source scene using gltfpack:
						// gltfpack -i coffeemat/scene.gltf -o coffeemat.glb -cc -tc
						// The resulting model uses EXT_meshopt_compression (for geometry) and KHR_texture_basisu (for texture compression using ETC1S/BasisLZ)

						loader.load( 'coffeemat.glb', function ( gltf ) {

							scene.add( gltf.scene );

							render();

						} );

					} );

				const pmremGenerator = new THREE.PMREMGenerator( renderer );
				pmremGenerator.compileEquirectangularShader();

				const controls = new OrbitControls( camera, renderer.domElement );
				controls.addEventListener( 'change', render ); // use if there is no animation loop
				controls.minDistance = 500;
				controls.maxDistance = 1000;
				controls.target.set( 10, 76, -16 );
				controls.update();

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

			}

			function onWindowResize() {

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

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

				render();

			}

			//

			function render() {

				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>