webgl_loader_obj_mtl.html 3.4 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - OBJLoader + MTLLoader</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> - OBJLoader + MTLLoader
  12. </div>
  13. <script type="module">
  14. import * as THREE from '../build/three.module.js';
  15. import { DDSLoader } from './jsm/loaders/DDSLoader.js';
  16. import { MTLLoader } from './jsm/loaders/MTLLoader.js';
  17. import { OBJLoader } from './jsm/loaders/OBJLoader.js';
  18. let camera, scene, renderer;
  19. let mouseX = 0, mouseY = 0;
  20. let windowHalfX = window.innerWidth / 2;
  21. let windowHalfY = window.innerHeight / 2;
  22. init();
  23. animate();
  24. function init() {
  25. const container = document.createElement( 'div' );
  26. document.body.appendChild( container );
  27. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 2000 );
  28. camera.position.z = 250;
  29. // scene
  30. scene = new THREE.Scene();
  31. const ambientLight = new THREE.AmbientLight( 0xcccccc, 0.4 );
  32. scene.add( ambientLight );
  33. const pointLight = new THREE.PointLight( 0xffffff, 0.8 );
  34. camera.add( pointLight );
  35. scene.add( camera );
  36. // model
  37. const onProgress = function ( xhr ) {
  38. if ( xhr.lengthComputable ) {
  39. const percentComplete = xhr.loaded / xhr.total * 100;
  40. console.log( Math.round( percentComplete, 2 ) + '% downloaded' );
  41. }
  42. };
  43. const onError = function () { };
  44. const manager = new THREE.LoadingManager();
  45. manager.addHandler( /\.dds$/i, new DDSLoader() );
  46. // comment in the following line and import TGALoader if your asset uses TGA textures
  47. // manager.addHandler( /\.tga$/i, new TGALoader() );
  48. new MTLLoader( manager )
  49. .setPath( 'models/obj/male02/' )
  50. .load( 'male02_dds.mtl', function ( materials ) {
  51. materials.preload();
  52. new OBJLoader( manager )
  53. .setMaterials( materials )
  54. .setPath( 'models/obj/male02/' )
  55. .load( 'male02.obj', function ( object ) {
  56. object.position.y = - 95;
  57. scene.add( object );
  58. }, onProgress, onError );
  59. } );
  60. //
  61. renderer = new THREE.WebGLRenderer();
  62. renderer.setPixelRatio( window.devicePixelRatio );
  63. renderer.setSize( window.innerWidth, window.innerHeight );
  64. container.appendChild( renderer.domElement );
  65. document.addEventListener( 'mousemove', onDocumentMouseMove );
  66. //
  67. window.addEventListener( 'resize', onWindowResize );
  68. }
  69. function onWindowResize() {
  70. windowHalfX = window.innerWidth / 2;
  71. windowHalfY = window.innerHeight / 2;
  72. camera.aspect = window.innerWidth / window.innerHeight;
  73. camera.updateProjectionMatrix();
  74. renderer.setSize( window.innerWidth, window.innerHeight );
  75. }
  76. function onDocumentMouseMove( event ) {
  77. mouseX = ( event.clientX - windowHalfX ) / 2;
  78. mouseY = ( event.clientY - windowHalfY ) / 2;
  79. }
  80. //
  81. function animate() {
  82. requestAnimationFrame( animate );
  83. render();
  84. }
  85. function render() {
  86. camera.position.x += ( mouseX - camera.position.x ) * .05;
  87. camera.position.y += ( - mouseY - camera.position.y ) * .05;
  88. camera.lookAt( scene.position );
  89. renderer.render( scene, camera );
  90. }
  91. </script>
  92. </body>
  93. </html>