webgl_loader_vrml.html 3.4 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. <script type="importmap">
  14. {
  15. "imports": {
  16. "three": "../build/three.module.js",
  17. "three/addons/": "./jsm/"
  18. }
  19. }
  20. </script>
  21. <script type="module">
  22. import * as THREE from 'three';
  23. import Stats from 'three/addons/libs/stats.module.js';
  24. import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
  25. import { VRMLLoader } from 'three/addons/loaders/VRMLLoader.js';
  26. import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
  27. let camera, scene, renderer, stats, controls, loader;
  28. const params = {
  29. asset: 'house'
  30. };
  31. const assets = [
  32. 'creaseAngle',
  33. 'crystal',
  34. 'house',
  35. 'elevationGrid1',
  36. 'elevationGrid2',
  37. 'extrusion1',
  38. 'extrusion2',
  39. 'extrusion3',
  40. 'lines',
  41. 'linesTransparent',
  42. 'meshWithLines',
  43. 'meshWithTexture',
  44. 'pixelTexture',
  45. 'points',
  46. ];
  47. let vrmlScene;
  48. init();
  49. function init() {
  50. camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.1, 1e10 );
  51. camera.position.set( - 10, 5, 10 );
  52. scene = new THREE.Scene();
  53. scene.add( camera );
  54. // light
  55. const ambientLight = new THREE.AmbientLight( 0xffffff, 1.2 );
  56. scene.add( ambientLight );
  57. const dirLight = new THREE.DirectionalLight( 0xffffff, 2.0 );
  58. dirLight.position.set( 200, 200, 200 );
  59. scene.add( dirLight );
  60. loader = new VRMLLoader();
  61. loadAsset( params.asset );
  62. // renderer
  63. renderer = new THREE.WebGLRenderer();
  64. renderer.setPixelRatio( window.devicePixelRatio );
  65. renderer.setSize( window.innerWidth, window.innerHeight );
  66. renderer.setAnimationLoop( animate );
  67. document.body.appendChild( renderer.domElement );
  68. // controls
  69. controls = new OrbitControls( camera, renderer.domElement );
  70. controls.minDistance = 1;
  71. controls.maxDistance = 200;
  72. controls.enableDamping = true;
  73. //
  74. stats = new Stats();
  75. document.body.appendChild( stats.dom );
  76. //
  77. window.addEventListener( 'resize', onWindowResize );
  78. //
  79. const gui = new GUI();
  80. gui.add( params, 'asset', assets ).onChange( function ( value ) {
  81. if ( vrmlScene ) {
  82. vrmlScene.traverse( function ( object ) {
  83. if ( object.material ) object.material.dispose();
  84. if ( object.material && object.material.map ) object.material.map.dispose();
  85. if ( object.geometry ) object.geometry.dispose();
  86. } );
  87. scene.remove( vrmlScene );
  88. }
  89. loadAsset( value );
  90. } );
  91. }
  92. function loadAsset( asset ) {
  93. loader.load( 'models/vrml/' + asset + '.wrl', function ( object ) {
  94. vrmlScene = object;
  95. scene.add( object );
  96. controls.reset();
  97. } );
  98. }
  99. function onWindowResize() {
  100. camera.aspect = window.innerWidth / window.innerHeight;
  101. camera.updateProjectionMatrix();
  102. renderer.setSize( window.innerWidth, window.innerHeight );
  103. }
  104. function animate() {
  105. controls.update(); // to support damping
  106. renderer.render( scene, camera );
  107. stats.update();
  108. }
  109. </script>
  110. </body>
  111. </html>