webgl_pmrem_equirectangular.html 2.7 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. <link type="text/css" rel="stylesheet" href="example.css">
  8. </head>
  9. <body>
  10. <script type="importmap">
  11. {
  12. "imports": {
  13. "three": "../build/three.module.js",
  14. "three/addons/": "./jsm/"
  15. }
  16. }
  17. </script>
  18. <script type="module">
  19. import * as THREE from 'three';
  20. import { UltraHDRLoader } from 'three/addons/loaders/UltraHDRLoader.js';
  21. import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
  22. let camera, scene, renderer;
  23. init();
  24. async function init() {
  25. const container = document.createElement( 'div' );
  26. document.body.appendChild( container );
  27. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.25, 20 );
  28. camera.position.set( 0, 0, 8 );
  29. scene = new THREE.Scene();
  30. renderer = new THREE.WebGLRenderer( { antialias: true } );
  31. renderer.setPixelRatio( window.devicePixelRatio );
  32. renderer.setSize( window.innerWidth, window.innerHeight );
  33. renderer.setAnimationLoop( render );
  34. renderer.toneMapping = THREE.ACESFilmicToneMapping;
  35. container.appendChild( renderer.domElement );
  36. const controls = new OrbitControls( camera, renderer.domElement );
  37. controls.minDistance = 2;
  38. controls.maxDistance = 10;
  39. controls.update();
  40. new UltraHDRLoader()
  41. .setPath( 'textures/equirectangular/' )
  42. .load( 'royal_esplanade_2k.hdr.jpg', function ( map ) {
  43. map.mapping = THREE.EquirectangularReflectionMapping;
  44. const pmremGenerator = new THREE.PMREMGenerator( renderer );
  45. const envMap = pmremGenerator.fromEquirectangular( map ).texture;
  46. scene.background = envMap;
  47. scene.backgroundBlurriness = 0.5;
  48. pmremGenerator.dispose();
  49. const geometry = new THREE.SphereGeometry( 0.4, 64, 64 );
  50. for ( let i = 0; i < 6; i ++ ) {
  51. for ( let j = 0; j < 5; j ++ ) {
  52. const material = new THREE.MeshPhysicalMaterial( {
  53. roughness: i / 5,
  54. metalness: j / 4,
  55. envMap: envMap
  56. } );
  57. const mesh = new THREE.Mesh( geometry, material );
  58. mesh.position.x = i - 2.5;
  59. mesh.position.y = j - 2;
  60. scene.add( mesh );
  61. }
  62. }
  63. } );
  64. window.addEventListener( 'resize', onWindowResize );
  65. }
  66. function onWindowResize() {
  67. camera.aspect = window.innerWidth / window.innerHeight;
  68. camera.updateProjectionMatrix();
  69. renderer.setSize( window.innerWidth, window.innerHeight );
  70. }
  71. //
  72. function render() {
  73. renderer.render( scene, camera );
  74. }
  75. </script>
  76. </body>
  77. </html>
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