webgpu_pmrem_scene.html 3.7 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgpu - pmrem scene</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.webgpu.js",
  14. "three/tsl": "../build/three.webgpu.js",
  15. "three/addons/": "./jsm/"
  16. }
  17. }
  18. </script>
  19. <script type="module">
  20. import * as THREE from 'three';
  21. import { normalWorld, uniform, pmremTexture } from 'three/tsl';
  22. import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
  23. import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
  24. let camera, scene, renderer;
  25. init();
  26. async function init() {
  27. const container = document.createElement( 'div' );
  28. document.body.appendChild( container );
  29. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.25, 20 );
  30. camera.position.set( - 1.8, 0.6, 2.7 );
  31. scene = new THREE.Scene();
  32. const forceWebGL = false;
  33. renderer = new THREE.WebGPURenderer( { antialias: true, forceWebGL } );
  34. renderer.setPixelRatio( window.devicePixelRatio );
  35. renderer.setSize( window.innerWidth, window.innerHeight );
  36. container.appendChild( renderer.domElement );
  37. await renderer.init();
  38. const controls = new OrbitControls( camera, renderer.domElement );
  39. controls.addEventListener( 'change', render ); // use if there is no animation loop
  40. controls.minDistance = 2;
  41. controls.maxDistance = 10;
  42. controls.update();
  43. //
  44. scene.background = new THREE.Color( 0x006699 );
  45. let model;
  46. model = new THREE.Mesh( new THREE.SphereGeometry( .2, 64, 64 ), new THREE.MeshBasicMaterial( { color: 0x0000ff } ) );
  47. model.position.z -= 1;
  48. scene.add( model );
  49. model = new THREE.Mesh( new THREE.SphereGeometry( .2, 64, 64 ), new THREE.MeshBasicMaterial( { color: 0xff0000 } ) );
  50. model.position.z += 1;
  51. scene.add( model );
  52. model = new THREE.Mesh( new THREE.SphereGeometry( .2, 64, 64 ), new THREE.MeshBasicMaterial( { color: 0xff00ff } ) );
  53. model.position.x += 1;
  54. scene.add( model );
  55. model = new THREE.Mesh( new THREE.SphereGeometry( .2, 64, 64 ), new THREE.MeshBasicMaterial( { color: 0x00ffff } ) );
  56. model.position.x -= 1;
  57. scene.add( model );
  58. model = new THREE.Mesh( new THREE.SphereGeometry( .2, 64, 64 ), new THREE.MeshBasicMaterial( { color: 0xffff00 } ) );
  59. model.position.y -= 1;
  60. scene.add( model );
  61. model = new THREE.Mesh( new THREE.SphereGeometry( .2, 64, 64 ), new THREE.MeshBasicMaterial( { color: 0x00ff00 } ) );
  62. model.position.y += 1;
  63. scene.add( model );
  64. //while ( scene.children.length > 0 ) scene.remove( scene.children[ 0 ] );
  65. const sceneRT = new THREE.PMREMGenerator( renderer ).fromScene( scene );
  66. scene.background = null;
  67. scene.backgroundNode = null;
  68. //
  69. const pmremRoughness = uniform( .5 );
  70. const pmremNode = pmremTexture( sceneRT.texture, normalWorld, pmremRoughness );
  71. scene.add( new THREE.Mesh( new THREE.SphereGeometry( .5, 64, 64 ), new THREE.MeshBasicNodeMaterial( { colorNode: pmremNode } ) ) );
  72. // gui
  73. const gui = new GUI();
  74. gui.add( pmremRoughness, 'value', 0, 1, 0.001 ).name( 'roughness' ).onChange( () => render() );
  75. render();
  76. window.addEventListener( 'resize', onWindowResize );
  77. }
  78. function onWindowResize() {
  79. camera.aspect = window.innerWidth / window.innerHeight;
  80. camera.updateProjectionMatrix();
  81. renderer.setSize( window.innerWidth, window.innerHeight );
  82. render();
  83. }
  84. //
  85. function render() {
  86. renderer.render( scene, camera );
  87. }
  88. </script>
  89. </body>
  90. </html>