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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 - 3d luts</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> - 3D LUTs<br />
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+ Battle Damaged Sci-fi Helmet by
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+ <a href="https://sketchfab.com/theblueturtle_" target="_blank" rel="noopener">theblueturtle_</a><br />
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+ <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>
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+ </div>
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+
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+ <script type="module">
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+ /* eslint-disable */
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+ import * as THREE from '../build/three.module.js';
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+
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+ import { OrbitControls } from './jsm/controls/OrbitControls.js';
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+ import { GLTFLoader } from './jsm/loaders/GLTFLoader.js';
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+ import { RGBELoader } from './jsm/loaders/RGBELoader.js';
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+ import { EffectComposer } from './jsm/postprocessing/EffectComposer.js';
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+ import { RenderPass } from './jsm/postprocessing/RenderPass.js';
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+ import { GUI } from './jsm/libs/dat.gui.module.js';
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+
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+ const params = {
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+ enabled: true,
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+ lut: 'Bourbon 64.CUBE'
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+ };
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+
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+ const lutMap = {
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+ 'Bourbon 64.CUBE': null,
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+ 'Chemical 168.CUBE': null,
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+ 'Clayton 33.CUBE': null,
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+ 'Cubicle 99.CUBE': null
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+ };
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+
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+ let gui;
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+ let camera, scene, renderer;
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+ let composer, lutPass;
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+
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+ init();
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+ render();
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+
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+ 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( - 1.8, 0.6, 2.7 );
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+
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+ scene = new THREE.Scene();
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+
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+ new RGBELoader()
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+ .setDataType( THREE.UnsignedByteType )
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+ .setPath( 'textures/equirectangular/' )
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+ .load( 'royal_esplanade_1k.hdr', function ( texture ) {
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+
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+ const envMap = pmremGenerator.fromEquirectangular( texture ).texture;
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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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+ texture.dispose();
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+ pmremGenerator.dispose();
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+
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+ render();
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+
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+ // model
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+
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+ const loader = new GLTFLoader().setPath( 'models/gltf/DamagedHelmet/glTF/' );
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+ loader.load( 'DamagedHelmet.gltf', function ( gltf ) {
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+
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+ scene.add( gltf.scene );
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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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+ 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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+ container.appendChild( renderer.domElement );
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+
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+ composer = new EffectComposer( renderer );
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+ composer.setPixelRatio( window.devicePixelRatio );
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+ composer.setSize( window.innerWidth, window.innerHeight );
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+ composer.addPass( new RenderPass( scene, camera ) );
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+
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+ // lutPass = new LUTPass();
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+ // composer.addPass( lutPass );
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+
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+ const pmremGenerator = new THREE.PMREMGenerator( renderer );
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+ pmremGenerator.compileEquirectangularShader();
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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, 0, - 0.2 );
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+ controls.update();
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+
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+ gui = new GUI();
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+ gui.width = 350;
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+ gui.add( params, 'enabled' );
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+ gui.add( params, 'lut', Object.keys( lutMap ) );
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+
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+ window.addEventListener( 'resize', onWindowResize, false );
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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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+ composer.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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+ //
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+
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+ function render() {
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+
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+ composer.render();
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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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Garrett Johnson