webgpu_pmrem_equirectangular.html 3.1 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgpu - pmrem equirectangular</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. <script type="importmap">
  11. {
  12. "imports": {
  13. "three": "../build/three.module.js",
  14. "three/addons/": "./jsm/",
  15. "three/nodes": "./jsm/nodes/Nodes.js"
  16. }
  17. }
  18. </script>
  19. <script type="module">
  20. import * as THREE from 'three';
  21. import { normalWorld, uniform, normalView, positionViewDirection, cameraViewMatrix, pmremTexture, MeshBasicNodeMaterial } from 'three/nodes';
  22. import WebGPURenderer from 'three/addons/renderers/webgpu/WebGPURenderer.js';
  23. import { RGBELoader } from 'three/addons/loaders/RGBELoader.js';
  24. import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
  25. import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
  26. let camera, scene, renderer;
  27. init();
  28. async function init() {
  29. const container = document.createElement( 'div' );
  30. document.body.appendChild( container );
  31. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.25, 20 );
  32. camera.position.set( - 1.8, 0.6, 2.7 );
  33. scene = new THREE.Scene();
  34. const forceWebGL = false;
  35. renderer = new WebGPURenderer( { antialias: true, forceWebGL } );
  36. renderer.setPixelRatio( window.devicePixelRatio );
  37. renderer.setSize( window.innerWidth, window.innerHeight );
  38. renderer.toneMapping = THREE.ACESFilmicToneMapping;
  39. await renderer.init();
  40. container.appendChild( renderer.domElement );
  41. const controls = new OrbitControls( camera, renderer.domElement );
  42. controls.addEventListener( 'change', render ); // use if there is no animation loop
  43. controls.minDistance = 2;
  44. controls.maxDistance = 10;
  45. controls.update();
  46. new RGBELoader()
  47. .setPath( 'textures/equirectangular/' )
  48. .load( 'royal_esplanade_1k.hdr', function ( map ) {
  49. map.mapping = THREE.EquirectangularReflectionMapping;
  50. const reflectVec = positionViewDirection.negate().reflect( normalView ).transformDirection( cameraViewMatrix );
  51. const pmremRoughness = uniform( .5 );
  52. const pmremNode = pmremTexture( map, reflectVec, pmremRoughness );
  53. scene.backgroundNode = pmremTexture( map, normalWorld, pmremRoughness );
  54. scene.add( new THREE.Mesh( new THREE.SphereGeometry( .5, 64, 64 ), new MeshBasicNodeMaterial( { colorNode: pmremNode } ) ) );
  55. // gui
  56. const gui = new GUI();
  57. gui.add( pmremRoughness, 'value', 0, 1, 0.001 ).name( 'roughness' ).onChange( () => render() );
  58. render();
  59. } );
  60. window.addEventListener( 'resize', onWindowResize );
  61. }
  62. function onWindowResize() {
  63. camera.aspect = window.innerWidth / window.innerHeight;
  64. camera.updateProjectionMatrix();
  65. renderer.setSize( window.innerWidth, window.innerHeight );
  66. render();
  67. }
  68. //
  69. function render() {
  70. renderer.render( scene, camera );
  71. }
  72. </script>
  73. </body>
  74. </html>