webgl_pmrem_equirectangular.html 3.1 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - 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. <meta property="og:title" content="three.js webgl - pmrem equirectangular">
  8. <meta property="og:type" content="website">
  9. <meta property="og:url" content="https://threejs.org/examples/webgl_pmrem_equirectangular.html">
  10. <meta property="og:image" content="https://threejs.org/examples/screenshots/webgl_pmrem_equirectangular.jpg">
  11. <link type="text/css" rel="stylesheet" href="example.css">
  12. </head>
  13. <body>
  14. <script type="importmap">
  15. {
  16. "imports": {
  17. "three": "../build/three.module.js",
  18. "three/addons/": "./jsm/"
  19. }
  20. }
  21. </script>
  22. <script type="module">
  23. import * as THREE from 'three';
  24. import { UltraHDRLoader } from 'three/addons/loaders/UltraHDRLoader.js';
  25. import { OrbitControls } from 'three/addons/controls/OrbitControls.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( 0, 0, 8 );
  33. scene = new THREE.Scene();
  34. renderer = new THREE.WebGLRenderer( { antialias: true } );
  35. renderer.setPixelRatio( window.devicePixelRatio );
  36. renderer.setSize( window.innerWidth, window.innerHeight );
  37. renderer.setAnimationLoop( render );
  38. renderer.toneMapping = THREE.ACESFilmicToneMapping;
  39. container.appendChild( renderer.domElement );
  40. const controls = new OrbitControls( camera, renderer.domElement );
  41. controls.minDistance = 2;
  42. controls.maxDistance = 10;
  43. controls.update();
  44. new UltraHDRLoader()
  45. .setPath( 'textures/equirectangular/' )
  46. .load( 'royal_esplanade_2k.hdr.jpg', function ( map ) {
  47. map.mapping = THREE.EquirectangularReflectionMapping;
  48. const pmremGenerator = new THREE.PMREMGenerator( renderer );
  49. const envMap = pmremGenerator.fromEquirectangular( map ).texture;
  50. scene.background = envMap;
  51. scene.backgroundBlurriness = 0.5;
  52. pmremGenerator.dispose();
  53. const geometry = new THREE.SphereGeometry( 0.4, 64, 64 );
  54. for ( let i = 0; i < 6; i ++ ) {
  55. for ( let j = 0; j < 5; j ++ ) {
  56. const material = new THREE.MeshPhysicalMaterial( {
  57. roughness: i / 5,
  58. metalness: j / 4,
  59. envMap: envMap
  60. } );
  61. const mesh = new THREE.Mesh( geometry, material );
  62. mesh.position.x = i - 2.5;
  63. mesh.position.y = j - 2;
  64. scene.add( mesh );
  65. }
  66. }
  67. } );
  68. window.addEventListener( 'resize', onWindowResize );
  69. }
  70. function onWindowResize() {
  71. camera.aspect = window.innerWidth / window.innerHeight;
  72. camera.updateProjectionMatrix();
  73. renderer.setSize( window.innerWidth, window.innerHeight );
  74. }
  75. //
  76. function render() {
  77. renderer.render( scene, camera );
  78. }
  79. </script>
  80. </body>
  81. </html>
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