webgpu_sky.html 3.9 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgpu - sky</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>Sky</span>
  14. </div>
  15. <small>
  16. Sky + Sun shader.
  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 { SkyMesh } from 'three/addons/objects/SkyMesh.js';
  34. let camera, scene, renderer;
  35. let sky, sun;
  36. init();
  37. function initSky() {
  38. // Add Sky
  39. sky = new SkyMesh();
  40. sky.scale.setScalar( 450000 );
  41. scene.add( sky );
  42. sun = new THREE.Vector3();
  43. /// GUI
  44. const effectController = {
  45. turbidity: 10,
  46. rayleigh: 3,
  47. mieCoefficient: 0.005,
  48. mieDirectionalG: 0.7,
  49. elevation: 2,
  50. azimuth: 180,
  51. exposure: renderer.toneMappingExposure
  52. };
  53. function guiChanged() {
  54. sky.turbidity.value = effectController.turbidity;
  55. sky.rayleigh.value = effectController.rayleigh;
  56. sky.mieCoefficient.value = effectController.mieCoefficient;
  57. sky.mieDirectionalG.value = effectController.mieDirectionalG;
  58. const phi = THREE.MathUtils.degToRad( 90 - effectController.elevation );
  59. const theta = THREE.MathUtils.degToRad( effectController.azimuth );
  60. sun.setFromSphericalCoords( 1, phi, theta );
  61. sky.sunPosition.value.copy( sun );
  62. renderer.toneMappingExposure = effectController.exposure;
  63. }
  64. const gui = renderer.inspector.createParameters( 'Settings' );
  65. gui.add( effectController, 'turbidity', 0.0, 20.0, 0.1 ).onChange( guiChanged );
  66. gui.add( effectController, 'rayleigh', 0.0, 4, 0.001 ).onChange( guiChanged );
  67. gui.add( effectController, 'mieCoefficient', 0.0, 0.1, 0.001 ).onChange( guiChanged );
  68. gui.add( effectController, 'mieDirectionalG', 0.0, 1, 0.001 ).onChange( guiChanged );
  69. gui.add( effectController, 'elevation', 0, 90, 0.1 ).onChange( guiChanged );
  70. gui.add( effectController, 'azimuth', - 180, 180, 0.1 ).onChange( guiChanged );
  71. gui.add( effectController, 'exposure', 0, 1, 0.0001 ).onChange( guiChanged );
  72. guiChanged();
  73. }
  74. function init() {
  75. camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 100, 2000000 );
  76. camera.position.set( 0, 100, 2000 );
  77. scene = new THREE.Scene();
  78. renderer = new THREE.WebGPURenderer();
  79. renderer.setPixelRatio( window.devicePixelRatio );
  80. renderer.setSize( window.innerWidth, window.innerHeight );
  81. renderer.setAnimationLoop( animate );
  82. renderer.toneMapping = THREE.ACESFilmicToneMapping;
  83. renderer.toneMappingExposure = 0.5;
  84. renderer.inspector = new Inspector();
  85. document.body.appendChild( renderer.domElement );
  86. const controls = new OrbitControls( camera, renderer.domElement );
  87. //controls.maxPolarAngle = Math.PI / 2;
  88. controls.enableZoom = false;
  89. controls.enablePan = false;
  90. initSky();
  91. window.addEventListener( 'resize', onWindowResize );
  92. }
  93. function onWindowResize() {
  94. camera.aspect = window.innerWidth / window.innerHeight;
  95. camera.updateProjectionMatrix();
  96. renderer.setSize( window.innerWidth, window.innerHeight );
  97. }
  98. function animate() {
  99. renderer.render( scene, camera );
  100. }
  101. </script>
  102. </body>
  103. </html>
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