webgl_lightprobe_cubecamera.html 3.1 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - light probe from cubeCamera</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="main.css">
  8. </head>
  9. <body>
  10. <div id="info">
  11. <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webgl - light probe from cubeCamera
  12. </div>
  13. <!-- Import maps polyfill -->
  14. <!-- Remove this when import maps will be widely supported -->
  15. <script async src="https://unpkg.com/[email protected]/dist/es-module-shims.js"></script>
  16. <script type="importmap">
  17. {
  18. "imports": {
  19. "three": "../build/three.module.js"
  20. }
  21. }
  22. </script>
  23. <script type="module">
  24. import * as THREE from 'three';
  25. import { OrbitControls } from './jsm/controls/OrbitControls.js';
  26. import { LightProbeHelper } from './jsm/helpers/LightProbeHelper.js';
  27. import { LightProbeGenerator } from './jsm/lights/LightProbeGenerator.js';
  28. let renderer, scene, camera, cubeCamera;
  29. let lightProbe;
  30. init();
  31. function init() {
  32. // renderer
  33. renderer = new THREE.WebGLRenderer( { antialias: true } );
  34. renderer.setPixelRatio( window.devicePixelRatio );
  35. renderer.setSize( window.innerWidth, window.innerHeight );
  36. document.body.appendChild( renderer.domElement );
  37. renderer.outputEncoding = THREE.sRGBEncoding;
  38. // scene
  39. scene = new THREE.Scene();
  40. // camera
  41. camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 1000 );
  42. camera.position.set( 0, 0, 30 );
  43. const cubeRenderTarget = new THREE.WebGLCubeRenderTarget( 256 );
  44. cubeCamera = new THREE.CubeCamera( 1, 1000, cubeRenderTarget );
  45. // controls
  46. const controls = new OrbitControls( camera, renderer.domElement );
  47. controls.addEventListener( 'change', render );
  48. controls.minDistance = 10;
  49. controls.maxDistance = 50;
  50. controls.enablePan = false;
  51. // probe
  52. lightProbe = new THREE.LightProbe();
  53. scene.add( lightProbe );
  54. // envmap
  55. const genCubeUrls = function ( prefix, postfix ) {
  56. return [
  57. prefix + 'px' + postfix, prefix + 'nx' + postfix,
  58. prefix + 'py' + postfix, prefix + 'ny' + postfix,
  59. prefix + 'pz' + postfix, prefix + 'nz' + postfix
  60. ];
  61. };
  62. const urls = genCubeUrls( 'textures/cube/pisa/', '.png' );
  63. new THREE.CubeTextureLoader().load( urls, function ( cubeTexture ) {
  64. cubeTexture.encoding = THREE.sRGBEncoding;
  65. scene.background = cubeTexture;
  66. cubeCamera.update( renderer, scene );
  67. lightProbe.copy( LightProbeGenerator.fromCubeRenderTarget( renderer, cubeRenderTarget ) );
  68. scene.add( new LightProbeHelper( lightProbe, 5 ) );
  69. render();
  70. } );
  71. // listener
  72. window.addEventListener( 'resize', onWindowResize );
  73. }
  74. function onWindowResize() {
  75. renderer.setSize( window.innerWidth, window.innerHeight );
  76. camera.aspect = window.innerWidth / window.innerHeight;
  77. camera.updateProjectionMatrix();
  78. render();
  79. }
  80. function render() {
  81. renderer.render( scene, camera );
  82. }
  83. </script>
  84. </body>
  85. </html>