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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 - GLTFloader + Punctual Lights</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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+
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+ <body>
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+ <div id="info">
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+ <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 />
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+ Lamp by
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+ <a href="https://www.artstation.com/teresagviegas" target="_blank" rel="noopener">Teresa González Viegas</a>
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+ </div>
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+
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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/[email protected]/dist/es-module-shims.js"></script>
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+
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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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+
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+ <script type="module">
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+
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+ import * as THREE from 'three';
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+
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+ import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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+ import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
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+ import { RGBELoader } from 'three/addons/loaders/RGBELoader.js';
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+
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+ import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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+
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+ let camera, scene, renderer;
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+
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+ const params = {
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+ punctualLightsEnabled: true
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+ };
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+
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+ init().then( render );
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+
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+ async function init() {
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+
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+ const container = document.createElement( 'div' );
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+ document.body.appendChild( container );
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+
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+ camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.25, 20 );
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+ camera.position.set( - 2, 1.5, 3 );
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+
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+ scene = new THREE.Scene();
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+
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+ const rgbeLoader = new RGBELoader();
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+ const envMap = await rgbeLoader.loadAsync( 'textures/equirectangular/moonless_golf_1k.hdr ' );
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+ envMap.mapping = THREE.EquirectangularReflectionMapping;
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+
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+ scene.background = envMap;
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+ scene.environment = envMap;
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+
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+ const loader = new GLTFLoader();
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+ const gltf = await loader.loadAsync( 'models/gltf/LightsPunctualLamp.glb' );
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+
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+ scene.add( gltf.scene );
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+
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+ const gui = new GUI();
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+
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+ gui.add( params, 'punctualLightsEnabled' ).onChange( toggleLights );
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+ gui.open();
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+
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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.toneMapping = THREE.ACESFilmicToneMapping;
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+ renderer.toneMappingExposure = 1;
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+ renderer.outputEncoding = THREE.sRGBEncoding;
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+ renderer.useLegacyLights = false;
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+ container.appendChild( renderer.domElement );
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+
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+ const controls = new OrbitControls( camera, renderer.domElement );
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+ controls.addEventListener( 'change', render ); // use if there is no animation loop
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+ controls.minDistance = 2;
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+ controls.maxDistance = 10;
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+ controls.target.set( 0, 1, 0 );
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+ controls.update();
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+
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+ window.addEventListener( 'resize', onWindowResize );
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+
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+ }
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+
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+ function onWindowResize() {
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+
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+ camera.aspect = window.innerWidth / window.innerHeight;
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+ camera.updateProjectionMatrix();
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+
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+
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+ render();
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+
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+ }
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+
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+ function toggleLights( visible ) {
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+
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+ scene.traverse( function ( object ) {
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+
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+ if ( object.isLight ) {
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+
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+ object.visible = visible;
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+
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+ }
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+
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+ } );
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+
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+ render();
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+
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+ }
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+
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+ //
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+
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+ function render() {
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+
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+ renderer.render( scene, camera );
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+
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+ }
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+
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+ </script>
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+
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+ </body>
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+</html>
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Michael Herzog
