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webgpu_lensflares.html 4.8 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgpu - lensflares</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> - lensflares<br/>
  12. textures from <a href="http://www.ro.me" target="_blank" rel="noopener">ro.me</a><br/>
  13. fly with WASD/RF/QE + mouse
  14. </div>
  15. <script type="importmap">
  16. {
  17. "imports": {
  18. "three": "../build/three.webgpu.js",
  19. "three/tsl": "../build/three.webgpu.js",
  20. "three/addons/": "./jsm/"
  21. }
  22. }
  23. </script>
  24. <script type="module">
  25. import * as THREE from 'three';
  26. import Stats from 'three/addons/libs/stats.module.js';
  27. import { FlyControls } from 'three/addons/controls/FlyControls.js';
  28. import { LensflareMesh, LensflareElement } from 'three/addons/objects/LensflareMesh.js';
  29. let container, stats;
  30. let camera, scene, renderer;
  31. let controls;
  32. const clock = new THREE.Clock();
  33. init();
  34. function init() {
  35. container = document.createElement( 'div' );
  36. document.body.appendChild( container );
  37. // camera
  38. camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 15000 );
  39. camera.position.z = 250;
  40. // scene
  41. scene = new THREE.Scene();
  42. scene.background = new THREE.Color().setHSL( 0.51, 0.4, 0.01, THREE.SRGBColorSpace );
  43. scene.fog = new THREE.Fog( scene.background, 3500, 15000 );
  44. // world
  45. const s = 250;
  46. const geometry = new THREE.BoxGeometry( s, s, s );
  47. const material = new THREE.MeshPhongNodeMaterial( { color: 0xffffff, specular: 0xffffff, shininess: 50 } );
  48. for ( let i = 0; i < 3000; i ++ ) {
  49. const mesh = new THREE.Mesh( geometry, material );
  50. mesh.position.x = 8000 * ( 2.0 * Math.random() - 1.0 );
  51. mesh.position.y = 8000 * ( 2.0 * Math.random() - 1.0 );
  52. mesh.position.z = 8000 * ( 2.0 * Math.random() - 1.0 );
  53. mesh.rotation.x = Math.random() * Math.PI;
  54. mesh.rotation.y = Math.random() * Math.PI;
  55. mesh.rotation.z = Math.random() * Math.PI;
  56. mesh.matrixAutoUpdate = false;
  57. mesh.updateMatrix();
  58. scene.add( mesh );
  59. }
  60. // lights
  61. const dirLight = new THREE.DirectionalLight( 0xffffff, 0.15 );
  62. dirLight.position.set( 0, - 1, 0 ).normalize();
  63. dirLight.color.setHSL( 0.1, 0.7, 0.5 );
  64. scene.add( dirLight );
  65. // lensflares
  66. const textureLoader = new THREE.TextureLoader();
  67. const textureFlare0 = textureLoader.load( 'textures/lensflare/lensflare0.png' );
  68. const textureFlare3 = textureLoader.load( 'textures/lensflare/lensflare3.png' );
  69. textureFlare0.colorSpace = THREE.SRGBColorSpace;
  70. textureFlare3.colorSpace = THREE.SRGBColorSpace;
  71. addLight( 0.55, 0.95, 0.6, 5000, 0, - 1000 );
  72. addLight( 0.1, 0.85, 0.65, 0, 0, - 1000 );
  73. addLight( 0.995, 0.5, 0.95, 5000, 5000, - 1000 );
  74. function addLight( h, s, l, x, y, z ) {
  75. const light = new THREE.PointLight( 0xffffff, 1.5, 2000, 0 );
  76. light.color.setHSL( h, s, l );
  77. light.position.set( x, y, z );
  78. scene.add( light );
  79. const lensflare = new LensflareMesh();
  80. lensflare.addElement( new LensflareElement( textureFlare0, 700, 0, light.color ) );
  81. lensflare.addElement( new LensflareElement( textureFlare3, 60, 0.6 ) );
  82. lensflare.addElement( new LensflareElement( textureFlare3, 70, 0.7 ) );
  83. lensflare.addElement( new LensflareElement( textureFlare3, 120, 0.9 ) );
  84. lensflare.addElement( new LensflareElement( textureFlare3, 70, 1 ) );
  85. light.add( lensflare );
  86. }
  87. // renderer
  88. renderer = new THREE.WebGPURenderer( { antialias: false } );
  89. renderer.setPixelRatio( window.devicePixelRatio );
  90. renderer.setSize( window.innerWidth, window.innerHeight );
  91. renderer.setAnimationLoop( animate );
  92. container.appendChild( renderer.domElement );
  93. //
  94. controls = new FlyControls( camera, renderer.domElement );
  95. controls.movementSpeed = 2500;
  96. controls.domElement = container;
  97. controls.rollSpeed = Math.PI / 6;
  98. controls.autoForward = false;
  99. controls.dragToLook = false;
  100. // stats
  101. stats = new Stats();
  102. container.appendChild( stats.dom );
  103. // events
  104. window.addEventListener( 'resize', onWindowResize );
  105. }
  106. //
  107. function onWindowResize() {
  108. renderer.setSize( window.innerWidth, window.innerHeight );
  109. camera.aspect = window.innerWidth / window.innerHeight;
  110. camera.updateProjectionMatrix();
  111. }
  112. //
  113. function animate() {
  114. render();
  115. stats.update();
  116. }
  117. function render() {
  118. const delta = clock.getDelta();
  119. controls.update( delta );
  120. renderer.render( scene, camera );
  121. }
  122. </script>
  123. </body>
  124. </html>