webgl_loader_gltf_compressed.html 3.9 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - GLTFloader + compressed</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> - GLTFLoader + compression extensions<br />
  12. <a href="https://sketchfab.com/3d-models/coffeemat-7fb196a40a6e4697aad9ca2f75c8b33d" target="_blank" rel="noopener">Coffeemat</a> by
  13. <a href="https://sketchfab.com/OFFcours1" target="_blank" rel="noopener">Roman Red</a>
  14. </div>
  15. <!-- Import maps polyfill -->
  16. <!-- Remove this when import maps will be widely supported -->
  17. <script async src="https://unpkg.com/[email protected]/dist/es-module-shims.js"></script>
  18. <script type="importmap">
  19. {
  20. "imports": {
  21. "three": "../build/three.module.js",
  22. "three/addons/": "./jsm/"
  23. }
  24. }
  25. </script>
  26. <script type="module">
  27. import * as THREE from 'three';
  28. import { RoomEnvironment } from 'three/addons/environments/RoomEnvironment.js';
  29. import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
  30. import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
  31. import { KTX2Loader } from 'three/addons/loaders/KTX2Loader.js';
  32. import { MeshoptDecoder } from 'three/addons/libs/meshopt_decoder.module.js';
  33. let camera, scene, renderer;
  34. init();
  35. render();
  36. function init() {
  37. const container = document.createElement( 'div' );
  38. document.body.appendChild( container );
  39. renderer = new THREE.WebGLRenderer( { antialias: true } );
  40. renderer.setPixelRatio( window.devicePixelRatio );
  41. renderer.setSize( window.innerWidth, window.innerHeight );
  42. renderer.toneMapping = THREE.ACESFilmicToneMapping;
  43. renderer.toneMappingExposure = 1;
  44. renderer.outputEncoding = THREE.sRGBEncoding;
  45. container.appendChild( renderer.domElement );
  46. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 2000 );
  47. camera.position.set( 0, 100, 0 );
  48. const environment = new RoomEnvironment();
  49. const pmremGenerator = new THREE.PMREMGenerator( renderer );
  50. scene = new THREE.Scene();
  51. scene.background = new THREE.Color( 0xbbbbbb );
  52. scene.environment = pmremGenerator.fromScene( environment ).texture;
  53. environment.dispose();
  54. const grid = new THREE.GridHelper( 500, 10, 0xffffff, 0xffffff );
  55. grid.material.opacity = 0.5;
  56. grid.material.depthWrite = false;
  57. grid.material.transparent = true;
  58. scene.add( grid );
  59. const ktx2Loader = new KTX2Loader()
  60. .setTranscoderPath( 'jsm/libs/basis/' )
  61. .detectSupport( renderer );
  62. const loader = new GLTFLoader().setPath( 'models/gltf/' );
  63. loader.setKTX2Loader( ktx2Loader );
  64. loader.setMeshoptDecoder( MeshoptDecoder );
  65. loader.load( 'coffeemat.glb', function ( gltf ) {
  66. // coffeemat.glb was produced from the source scene using gltfpack:
  67. // gltfpack -i coffeemat/scene.gltf -o coffeemat.glb -cc -tc
  68. // The resulting model uses EXT_meshopt_compression (for geometry) and KHR_texture_basisu (for texture compression using ETC1S/BasisLZ)
  69. gltf.scene.position.y = 8;
  70. scene.add( gltf.scene );
  71. render();
  72. } );
  73. const controls = new OrbitControls( camera, renderer.domElement );
  74. controls.addEventListener( 'change', render ); // use if there is no animation loop
  75. controls.minDistance = 400;
  76. controls.maxDistance = 1000;
  77. controls.target.set( 10, 90, - 16 );
  78. controls.update();
  79. window.addEventListener( 'resize', onWindowResize );
  80. }
  81. function onWindowResize() {
  82. camera.aspect = window.innerWidth / window.innerHeight;
  83. camera.updateProjectionMatrix();
  84. renderer.setSize( window.innerWidth, window.innerHeight );
  85. render();
  86. }
  87. //
  88. function render() {
  89. renderer.render( scene, camera );
  90. }
  91. </script>
  92. </body>
  93. </html>