webgl_loader_vrml.html 3.6 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - loaders - VRML loader</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> - VRML loader
  12. </div>
  13. <!-- Import maps polyfill -->
  14. <!-- Remove this when import maps will be widely supported -->
  15. <script async src="https://unpkg.com/[email protected]/dist/es-module-shims.js"></script>
  16. <script type="importmap">
  17. {
  18. "imports": {
  19. "three": "../build/three.module.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 { OrbitControls } from 'three/addons/controls/OrbitControls.js';
  28. import { VRMLLoader } from 'three/addons/loaders/VRMLLoader.js';
  29. import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
  30. let camera, scene, renderer, stats, controls, loader;
  31. const params = {
  32. asset: 'house'
  33. };
  34. const assets = [
  35. 'creaseAngle',
  36. 'crystal',
  37. 'house',
  38. 'elevationGrid1',
  39. 'elevationGrid2',
  40. 'extrusion1',
  41. 'extrusion2',
  42. 'extrusion3',
  43. 'lines',
  44. 'meshWithLines',
  45. 'meshWithTexture',
  46. 'pixelTexture',
  47. 'points',
  48. ];
  49. let vrmlScene;
  50. init();
  51. animate();
  52. function init() {
  53. camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.1, 1e10 );
  54. camera.position.set( - 10, 5, 10 );
  55. scene = new THREE.Scene();
  56. scene.add( camera );
  57. // light
  58. const hemiLight = new THREE.HemisphereLight( 0xffffff, 0x000000, 1 );
  59. scene.add( hemiLight );
  60. const dirLight = new THREE.DirectionalLight( 0xffffff, 0.5 );
  61. dirLight.position.set( 200, 200, 200 );
  62. scene.add( dirLight );
  63. loader = new VRMLLoader();
  64. loadAsset( params.asset );
  65. // renderer
  66. renderer = new THREE.WebGLRenderer();
  67. renderer.setPixelRatio( window.devicePixelRatio );
  68. renderer.setSize( window.innerWidth, window.innerHeight );
  69. document.body.appendChild( renderer.domElement );
  70. // controls
  71. controls = new OrbitControls( camera, renderer.domElement );
  72. controls.minDistance = 1;
  73. controls.maxDistance = 200;
  74. controls.enableDamping = true;
  75. //
  76. stats = new Stats();
  77. document.body.appendChild( stats.dom );
  78. //
  79. window.addEventListener( 'resize', onWindowResize );
  80. //
  81. const gui = new GUI();
  82. gui.add( params, 'asset', assets ).onChange( function ( value ) {
  83. if ( vrmlScene ) {
  84. vrmlScene.traverse( function ( object ) {
  85. if ( object.material ) object.material.dispose();
  86. if ( object.material && object.material.map ) object.material.map.dispose();
  87. if ( object.geometry ) object.geometry.dispose();
  88. } );
  89. scene.remove( vrmlScene );
  90. }
  91. loadAsset( value );
  92. } );
  93. }
  94. function loadAsset( asset ) {
  95. loader.load( 'models/vrml/' + asset + '.wrl', function ( object ) {
  96. vrmlScene = object;
  97. scene.add( object );
  98. controls.reset();
  99. } );
  100. }
  101. function onWindowResize() {
  102. camera.aspect = window.innerWidth / window.innerHeight;
  103. camera.updateProjectionMatrix();
  104. renderer.setSize( window.innerWidth, window.innerHeight );
  105. }
  106. function animate() {
  107. requestAnimationFrame( animate );
  108. controls.update(); // to support damping
  109. renderer.render( scene, camera );
  110. stats.update();
  111. }
  112. </script>
  113. </body>
  114. </html>