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208 lines
5.7 KiB
208 lines
5.7 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 - 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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<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><br />
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LUTs from <a href="https://www.rocketstock.com/free-after-effects-templates/35-free-luts-for-color-grading-videos/">RocketStock</a>, <a href="https://www.freepresets.com/product/free-luts-cinematic/">FreePresets.com</a>
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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 { 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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import { EffectComposer } from 'three/addons/postprocessing/EffectComposer.js';
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import { RenderPass } from 'three/addons/postprocessing/RenderPass.js';
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import { ShaderPass } from 'three/addons/postprocessing/ShaderPass.js';
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import { LUTPass } from 'three/addons/postprocessing/LUTPass.js';
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import { LUTCubeLoader } from 'three/addons/loaders/LUTCubeLoader.js';
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import { LUT3dlLoader } from 'three/addons/loaders/LUT3dlLoader.js';
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import { GammaCorrectionShader } from 'three/addons/shaders/GammaCorrectionShader.js';
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import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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const params = {
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enabled: true,
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lut: 'Bourbon 64.CUBE',
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intensity: 1,
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use2DLut: false,
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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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'Remy 24.CUBE': null,
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'Presetpro-Cinematic.3dl': null
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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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init();
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render();
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function init() {
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const container = document.createElement( 'div' );
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document.body.appendChild( container );
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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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scene = new THREE.Scene();
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new RGBELoader()
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.setPath( 'textures/equirectangular/' )
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.load( 'royal_esplanade_1k.hdr', function ( texture ) {
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texture.mapping = THREE.EquirectangularReflectionMapping;
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scene.background = texture;
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scene.environment = texture;
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// model
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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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scene.add( gltf.scene );
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} );
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} );
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Object.keys( lutMap ).forEach( name => {
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if ( /\.CUBE$/i.test( name ) ) {
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new LUTCubeLoader()
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.load( 'luts/' + name, function ( result ) {
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lutMap[ name ] = result;
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} );
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} else {
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new LUT3dlLoader()
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.load( 'luts/' + name, function ( result ) {
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lutMap[ name ] = result;
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} );
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}
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} );
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renderer = new THREE.WebGLRenderer();
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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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container.appendChild( renderer.domElement );
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const target = new THREE.WebGLRenderTarget( {
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minFilter: THREE.LinearFilter,
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magFilter: THREE.LinearFilter,
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format: THREE.RGBAFormat,
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encoding: THREE.sRGBEncoding
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} );
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composer = new EffectComposer( renderer, target );
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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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composer.addPass( new ShaderPass( GammaCorrectionShader ) );
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lutPass = new LUTPass();
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composer.addPass( lutPass );
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const controls = new OrbitControls( camera, renderer.domElement );
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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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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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gui.add( params, 'intensity' ).min( 0 ).max( 1 );
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if ( renderer.capabilities.isWebGL2 ) {
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gui.add( params, 'use2DLut' );
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} else {
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params.use2DLut = true;
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}
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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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composer.setSize( window.innerWidth, window.innerHeight );
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render();
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}
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//
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function render() {
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requestAnimationFrame( render );
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lutPass.enabled = params.enabled && Boolean( lutMap[ params.lut ] );
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lutPass.intensity = params.intensity;
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if ( lutMap[ params.lut ] ) {
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const lut = lutMap[ params.lut ];
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lutPass.lut = params.use2DLut ? lut.texture : lut.texture3D;
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}
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composer.render();
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}
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</script>
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</body>
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</html>
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