webgpu_lightprobe_cubecamera.html 3.4 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgpu - light probe from cube camera</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>Light Probe from Cube Camera</span>
  14. </div>
  15. <small>
  16. Light probes and environment lighting from cube camera.
  17. </small>
  18. </div>
  19. <script type="importmap">
  20. {
  21. "imports": {
  22. "three": "../build/three.webgpu.js",
  23. "three/webgpu": "../build/three.webgpu.js",
  24. "three/tsl": "../build/three.tsl.js",
  25. "three/addons/": "./jsm/"
  26. }
  27. }
  28. </script>
  29. <script type="module">
  30. import * as THREE from 'three/webgpu';
  31. import { Inspector } from 'three/addons/inspector/Inspector.js';
  32. import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
  33. import { LightProbeHelper } from 'three/addons/helpers/LightProbeHelperGPU.js';
  34. import { LightProbeGenerator } from 'three/addons/lights/LightProbeGenerator.js';
  35. let renderer, scene, camera, cubeCamera;
  36. let lightProbe;
  37. init();
  38. function init() {
  39. // renderer
  40. renderer = new THREE.WebGPURenderer( { antialias: true } );
  41. renderer.setPixelRatio( window.devicePixelRatio );
  42. renderer.setSize( window.innerWidth, window.innerHeight );
  43. renderer.inspector = new Inspector();
  44. document.body.appendChild( renderer.domElement );
  45. // scene
  46. scene = new THREE.Scene();
  47. // camera
  48. camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 1000 );
  49. camera.position.set( 0, 0, 30 );
  50. const cubeRenderTarget = new THREE.WebGLCubeRenderTarget( 256 );
  51. cubeCamera = new THREE.CubeCamera( 1, 1000, cubeRenderTarget );
  52. // controls
  53. const controls = new OrbitControls( camera, renderer.domElement );
  54. controls.addEventListener( 'change', render );
  55. controls.minDistance = 10;
  56. controls.maxDistance = 50;
  57. controls.enablePan = false;
  58. // probe
  59. lightProbe = new THREE.LightProbe();
  60. scene.add( lightProbe );
  61. // envmap
  62. const genCubeUrls = function ( prefix, postfix ) {
  63. return [
  64. prefix + 'px' + postfix, prefix + 'nx' + postfix,
  65. prefix + 'py' + postfix, prefix + 'ny' + postfix,
  66. prefix + 'pz' + postfix, prefix + 'nz' + postfix
  67. ];
  68. };
  69. const urls = genCubeUrls( 'textures/cube/pisa/', '.png' );
  70. new THREE.CubeTextureLoader().load( urls, async function ( cubeTexture ) {
  71. scene.background = cubeTexture;
  72. await renderer.init();
  73. cubeCamera.update( renderer, scene );
  74. const probe = await LightProbeGenerator.fromCubeRenderTarget( renderer, cubeRenderTarget );
  75. lightProbe.copy( probe );
  76. scene.add( new LightProbeHelper( lightProbe, 5 ) );
  77. render();
  78. } );
  79. // listener
  80. window.addEventListener( 'resize', onWindowResize );
  81. }
  82. function onWindowResize() {
  83. renderer.setSize( window.innerWidth, window.innerHeight );
  84. camera.aspect = window.innerWidth / window.innerHeight;
  85. camera.updateProjectionMatrix();
  86. render();
  87. }
  88. function render() {
  89. renderer.render( scene, camera );
  90. }
  91. </script>
  92. </body>
  93. </html>
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