webgl_postprocessing_3dlut.html 5.6 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - 3d luts</title>
  5. <meta charset="utf-8">
  6. <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
  7. <meta property="og:title" content="three.js webgl - 3d luts">
  8. <meta property="og:type" content="website">
  9. <meta property="og:url" content="https://threejs.org/examples/webgl_postprocessing_3dlut.html">
  10. <meta property="og:image" content="https://threejs.org/examples/screenshots/webgl_postprocessing_3dlut.jpg">
  11. <link type="text/css" rel="stylesheet" href="main.css">
  12. </head>
  13. <body>
  14. <div id="info">
  15. <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - 3D LUTs<br />
  16. Battle Damaged Sci-fi Helmet by
  17. <a href="https://sketchfab.com/theblueturtle_" target="_blank" rel="noopener">theblueturtle_</a><br />
  18. <a href="https://hdrihaven.com/hdri/?h=royal_esplanade" target="_blank" rel="noopener">Royal Esplanade</a> from <a href="https://hdrihaven.com/" target="_blank" rel="noopener">HDRI Haven</a><br />
  19. 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>
  20. </div>
  21. <script type="importmap">
  22. {
  23. "imports": {
  24. "three": "../build/three.module.js",
  25. "three/addons/": "./jsm/"
  26. }
  27. }
  28. </script>
  29. <script type="module">
  30. import * as THREE from 'three';
  31. import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
  32. import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
  33. import { UltraHDRLoader } from 'three/addons/loaders/UltraHDRLoader.js';
  34. import { EffectComposer } from 'three/addons/postprocessing/EffectComposer.js';
  35. import { RenderPass } from 'three/addons/postprocessing/RenderPass.js';
  36. import { OutputPass } from 'three/addons/postprocessing/OutputPass.js';
  37. import { LUTPass } from 'three/addons/postprocessing/LUTPass.js';
  38. import { LUTCubeLoader } from 'three/addons/loaders/LUTCubeLoader.js';
  39. import { LUT3dlLoader } from 'three/addons/loaders/LUT3dlLoader.js';
  40. import { LUTImageLoader } from 'three/addons/loaders/LUTImageLoader.js';
  41. import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
  42. const params = {
  43. enabled: true,
  44. lut: 'Bourbon 64.CUBE',
  45. intensity: 1
  46. };
  47. const lutMap = {
  48. 'Bourbon 64.CUBE': null,
  49. 'Chemical 168.CUBE': null,
  50. 'Clayton 33.CUBE': null,
  51. 'Cubicle 99.CUBE': null,
  52. 'Remy 24.CUBE': null,
  53. 'Presetpro-Cinematic.3dl': null,
  54. 'NeutralLUT': null,
  55. 'B&WLUT': null,
  56. 'NightLUT': null
  57. };
  58. let gui;
  59. let camera, scene, renderer;
  60. let composer, lutPass;
  61. init();
  62. function init() {
  63. const container = document.createElement( 'div' );
  64. document.body.appendChild( container );
  65. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.25, 20 );
  66. camera.position.set( - 1.8, 0.6, 2.7 );
  67. scene = new THREE.Scene();
  68. new UltraHDRLoader()
  69. .setPath( 'textures/equirectangular/' )
  70. .load( 'royal_esplanade_2k.hdr.jpg', function ( texture ) {
  71. texture.mapping = THREE.EquirectangularReflectionMapping;
  72. scene.background = texture;
  73. scene.environment = texture;
  74. // model
  75. const loader = new GLTFLoader().setPath( 'models/gltf/DamagedHelmet/glTF/' );
  76. loader.load( 'DamagedHelmet.gltf', function ( gltf ) {
  77. scene.add( gltf.scene );
  78. } );
  79. } );
  80. Object.keys( lutMap ).forEach( name => {
  81. if ( /\.CUBE$/i.test( name ) ) {
  82. new LUTCubeLoader()
  83. .load( 'luts/' + name, function ( result ) {
  84. lutMap[ name ] = result;
  85. } );
  86. } else if ( /\LUT$/i.test( name ) ) {
  87. new LUTImageLoader()
  88. .load( `luts/${name}.png`, function ( result ) {
  89. lutMap[ name ] = result;
  90. } );
  91. } else {
  92. new LUT3dlLoader()
  93. .load( 'luts/' + name, function ( result ) {
  94. lutMap[ name ] = result;
  95. } );
  96. }
  97. } );
  98. renderer = new THREE.WebGLRenderer();
  99. renderer.setPixelRatio( window.devicePixelRatio );
  100. renderer.setSize( window.innerWidth, window.innerHeight );
  101. renderer.setAnimationLoop( animate );
  102. renderer.toneMapping = THREE.ACESFilmicToneMapping;
  103. container.appendChild( renderer.domElement );
  104. composer = new EffectComposer( renderer );
  105. composer.setPixelRatio( window.devicePixelRatio );
  106. composer.setSize( window.innerWidth, window.innerHeight );
  107. composer.addPass( new RenderPass( scene, camera ) );
  108. composer.addPass( new OutputPass() );
  109. lutPass = new LUTPass();
  110. composer.addPass( lutPass );
  111. const controls = new OrbitControls( camera, renderer.domElement );
  112. controls.minDistance = 2;
  113. controls.maxDistance = 10;
  114. controls.target.set( 0, 0, - 0.2 );
  115. controls.update();
  116. gui = new GUI();
  117. gui.width = 350;
  118. gui.add( params, 'enabled' );
  119. gui.add( params, 'lut', Object.keys( lutMap ) );
  120. gui.add( params, 'intensity' ).min( 0 ).max( 1 );
  121. window.addEventListener( 'resize', onWindowResize );
  122. }
  123. function onWindowResize() {
  124. camera.aspect = window.innerWidth / window.innerHeight;
  125. camera.updateProjectionMatrix();
  126. renderer.setSize( window.innerWidth, window.innerHeight );
  127. composer.setSize( window.innerWidth, window.innerHeight );
  128. }
  129. //
  130. function animate() {
  131. lutPass.enabled = params.enabled && Boolean( lutMap[ params.lut ] );
  132. lutPass.intensity = params.intensity;
  133. if ( lutMap[ params.lut ] ) {
  134. const lut = lutMap[ params.lut ];
  135. lutPass.lut = lut.texture3D;
  136. }
  137. composer.render();
  138. }
  139. </script>
  140. </body>
  141. </html>
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