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134 lines
3.4 KiB
134 lines
3.4 KiB
2 years ago
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - loaders - Draco loader</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<link type="text/css" rel="stylesheet" href="main.css">
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</head>
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<body>
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<div id="container"></div>
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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> -
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<a href="https://github.com/google/draco" target="_blank" rel="noopener">DRACO</a> loader
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</div>
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<!-- Import maps polyfill -->
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<!-- Remove this when import maps will be widely supported -->
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<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.module.js",
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"three/addons/": "./jsm/"
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three';
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import { DRACOLoader } from 'three/addons/loaders/DRACOLoader.js';
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let camera, scene, renderer;
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const container = document.querySelector( '#container' );
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// Configure and create Draco decoder.
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const dracoLoader = new DRACOLoader();
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dracoLoader.setDecoderPath( 'js/libs/draco/' );
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dracoLoader.setDecoderConfig( { type: 'js' } );
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init();
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animate();
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function init() {
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camera = new THREE.PerspectiveCamera( 35, window.innerWidth / window.innerHeight, 0.1, 15 );
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camera.position.set( 3, 0.25, 3 );
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0x443333 );
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scene.fog = new THREE.Fog( 0x443333, 1, 4 );
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// Ground
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const plane = new THREE.Mesh(
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new THREE.PlaneGeometry( 8, 8 ),
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new THREE.MeshPhongMaterial( { color: 0x999999, specular: 0x101010 } )
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);
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plane.rotation.x = - Math.PI / 2;
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plane.position.y = 0.03;
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plane.receiveShadow = true;
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scene.add( plane );
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// Lights
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const hemiLight = new THREE.HemisphereLight( 0x443333, 0x111122 );
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scene.add( hemiLight );
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const spotLight = new THREE.SpotLight();
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spotLight.angle = Math.PI / 16;
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spotLight.penumbra = 0.5;
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spotLight.castShadow = true;
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spotLight.position.set( - 1, 1, 1 );
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scene.add( spotLight );
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dracoLoader.load( 'models/draco/bunny.drc', function ( geometry ) {
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geometry.computeVertexNormals();
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const material = new THREE.MeshStandardMaterial( { color: 0x606060 } );
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const mesh = new THREE.Mesh( geometry, material );
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mesh.castShadow = true;
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mesh.receiveShadow = true;
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scene.add( mesh );
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// Release decoder resources.
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dracoLoader.dispose();
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} );
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// renderer
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.outputEncoding = THREE.sRGBEncoding;
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renderer.shadowMap.enabled = true;
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container.appendChild( renderer.domElement );
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window.addEventListener( 'resize', onWindowResize );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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function animate() {
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render();
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requestAnimationFrame( animate );
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}
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function render() {
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const timer = Date.now() * 0.0003;
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camera.position.x = Math.sin( timer ) * 0.5;
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camera.position.z = Math.cos( timer ) * 0.5;
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camera.lookAt( 0, 0.1, 0 );
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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