webgpu_postprocessing_bloom_emissive.html 4.3 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165
  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgpu - bloom emissive</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. <link type="text/css" rel="stylesheet" href="example.css">
  8. </head>
  9. <body>
  10. <div id="info">
  11. <a href="https://threejs.org/" target="_blank" rel="noopener" class="logo-link"></a>
  12. <div class="title-wrapper">
  13. <a href="https://threejs.org/" target="_blank" rel="noopener">three.js</a><span>Emissive Bloom</span>
  14. </div>
  15. <small>Selective Bloom based on the "emissive" material property.</small>
  16. </div>
  17. <script type="importmap">
  18. {
  19. "imports": {
  20. "three": "../build/three.webgpu.js",
  21. "three/webgpu": "../build/three.webgpu.js",
  22. "three/tsl": "../build/three.tsl.js",
  23. "three/addons/": "./jsm/"
  24. }
  25. }
  26. </script>
  27. <script type="module">
  28. import * as THREE from 'three/webgpu';
  29. import { pass, mrt, output, emissive, vec4 } from 'three/tsl';
  30. import { bloom } from 'three/addons/tsl/display/BloomNode.js';
  31. import { HDRLoader } from 'three/addons/loaders/HDRLoader.js';
  32. import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
  33. import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
  34. import { Inspector } from 'three/addons/inspector/Inspector.js';
  35. let camera, scene, renderer;
  36. let postProcessing;
  37. init();
  38. function init() {
  39. const container = document.createElement( 'div' );
  40. document.body.appendChild( container );
  41. //
  42. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.25, 20 );
  43. camera.position.set( - 1.8, 0.6, 2.7 );
  44. scene = new THREE.Scene();
  45. new HDRLoader()
  46. .setPath( 'textures/equirectangular/' )
  47. .load( 'moonless_golf_1k.hdr', function ( texture ) {
  48. texture.mapping = THREE.EquirectangularReflectionMapping;
  49. scene.background = texture;
  50. scene.environment = texture;
  51. // model
  52. const loader = new GLTFLoader().setPath( 'models/gltf/DamagedHelmet/glTF/' );
  53. loader.load( 'DamagedHelmet.gltf', function ( gltf ) {
  54. scene.add( gltf.scene );
  55. } );
  56. } );
  57. //
  58. renderer = new THREE.WebGPURenderer();
  59. renderer.setPixelRatio( window.devicePixelRatio );
  60. renderer.setSize( window.innerWidth, window.innerHeight );
  61. renderer.setAnimationLoop( render );
  62. renderer.toneMapping = THREE.ACESFilmicToneMapping;
  63. renderer.inspector = new Inspector();
  64. container.appendChild( renderer.domElement );
  65. //
  66. const scenePass = pass( scene, camera );
  67. // set up MRT with emissive
  68. const mrtNode = mrt( {
  69. output: output,
  70. emissive: vec4( emissive, output.a )
  71. } );
  72. mrtNode.setBlendMode( 'emissive', new THREE.BlendMode( THREE.NormalBlending ) );
  73. scenePass.setMRT( mrtNode );
  74. // optimize the bandwidth
  75. const emissiveTexture = scenePass.getTexture( 'emissive' );
  76. emissiveTexture.type = THREE.UnsignedByteType;
  77. //
  78. const outputPass = scenePass.getTextureNode().toInspector( 'Color' );
  79. const emissivePass = scenePass.getTextureNode( 'emissive' ).toInspector( 'Emissive' );
  80. const bloomPass = bloom( emissivePass, 2.5, .5 );
  81. postProcessing = new THREE.PostProcessing( renderer );
  82. postProcessing.outputNode = outputPass.add( bloomPass );
  83. //
  84. const controls = new OrbitControls( camera, renderer.domElement );
  85. controls.minDistance = 2;
  86. controls.maxDistance = 10;
  87. controls.target.set( 0, 0, - 0.2 );
  88. controls.update();
  89. window.addEventListener( 'resize', onWindowResize );
  90. //
  91. const gui = renderer.inspector.createParameters( 'Settings' );
  92. const bloomFolder = gui.addFolder( 'Bloom' );
  93. bloomFolder.add( bloomPass.strength, 'value', 0.0, 5.0 ).name( 'strength' );
  94. bloomFolder.add( bloomPass.radius, 'value', 0.0, 1.0 ).name( 'radius' );
  95. const toneMappingFolder = gui.addFolder( 'Tone Mapping' );
  96. toneMappingFolder.add( renderer, 'toneMappingExposure', 0.1, 2 ).name( 'exposure' );
  97. }
  98. function onWindowResize() {
  99. camera.aspect = window.innerWidth / window.innerHeight;
  100. camera.updateProjectionMatrix();
  101. renderer.setSize( window.innerWidth, window.innerHeight );
  102. }
  103. //
  104. function render() {
  105. postProcessing.render();
  106. }
  107. </script>
  108. </body>
  109. </html>
粤ICP备19079148号