load-obj-wat.html 3.5 KB

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  1. <!-- Licensed under a BSD license. See license.html for license -->
  2. <!DOCTYPE html>
  3. <html>
  4. <head>
  5. <meta charset="utf-8">
  6. <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
  7. <title>Three.js - Load .OBJ - ?</title>
  8. <style>
  9. html, body {
  10. margin: 0;
  11. height: 100%;
  12. }
  13. #c {
  14. width: 100%;
  15. height: 100%;
  16. display: block;
  17. }
  18. </style>
  19. </head>
  20. <body>
  21. <canvas id="c"></canvas>
  22. </body>
  23. <!-- Import maps polyfill -->
  24. <!-- Remove this when import maps will be widely supported -->
  25. <script async src="https://unpkg.com/[email protected]/dist/es-module-shims.js"></script>
  26. <script type="importmap">
  27. {
  28. "imports": {
  29. "three": "../../build/three.module.js",
  30. "three/addons/": "../../examples/jsm/"
  31. }
  32. }
  33. </script>
  34. <script type="module">
  35. import * as THREE from 'three';
  36. import {OrbitControls} from 'three/addons/controls/OrbitControls.js';
  37. import {OBJLoader} from 'three/addons/loaders/OBJLoader.js';
  38. function main() {
  39. const canvas = document.querySelector('#c');
  40. const renderer = new THREE.WebGLRenderer({canvas});
  41. renderer.outputEncoding = THREE.sRGBEncoding;
  42. const fov = 45;
  43. const aspect = 2; // the canvas default
  44. const near = 0.1;
  45. const far = 100;
  46. const camera = new THREE.PerspectiveCamera(fov, aspect, near, far);
  47. camera.position.set(0, 10, 20);
  48. const controls = new OrbitControls(camera, canvas);
  49. controls.target.set(0, 5, 0);
  50. controls.update();
  51. const scene = new THREE.Scene();
  52. scene.background = new THREE.Color('black');
  53. {
  54. const planeSize = 40;
  55. const loader = new THREE.TextureLoader();
  56. const texture = loader.load('resources/images/checker.png');
  57. texture.encoding = THREE.sRGBEncoding;
  58. texture.wrapS = THREE.RepeatWrapping;
  59. texture.wrapT = THREE.RepeatWrapping;
  60. texture.magFilter = THREE.NearestFilter;
  61. const repeats = planeSize / 2;
  62. texture.repeat.set(repeats, repeats);
  63. const planeGeo = new THREE.PlaneGeometry(planeSize, planeSize);
  64. const planeMat = new THREE.MeshPhongMaterial({
  65. map: texture,
  66. side: THREE.DoubleSide,
  67. });
  68. const mesh = new THREE.Mesh(planeGeo, planeMat);
  69. mesh.rotation.x = Math.PI * -.5;
  70. scene.add(mesh);
  71. }
  72. {
  73. const skyColor = 0xB1E1FF; // light blue
  74. const groundColor = 0xB97A20; // brownish orange
  75. const intensity = 1;
  76. const light = new THREE.HemisphereLight(skyColor, groundColor, intensity);
  77. scene.add(light);
  78. }
  79. {
  80. const color = 0xFFFFFF;
  81. const intensity = 1;
  82. const light = new THREE.DirectionalLight(color, intensity);
  83. light.position.set(0, 10, 0);
  84. light.target.position.set(-5, 0, 0);
  85. scene.add(light);
  86. scene.add(light.target);
  87. }
  88. {
  89. const objLoader = new OBJLoader();
  90. objLoader.load('resources/models/windmill_2/windmill.obj', (root) => {
  91. scene.add(root);
  92. });
  93. }
  94. function resizeRendererToDisplaySize(renderer) {
  95. const canvas = renderer.domElement;
  96. const width = canvas.clientWidth;
  97. const height = canvas.clientHeight;
  98. const needResize = canvas.width !== width || canvas.height !== height;
  99. if (needResize) {
  100. renderer.setSize(width, height, false);
  101. }
  102. return needResize;
  103. }
  104. function render() {
  105. if (resizeRendererToDisplaySize(renderer)) {
  106. const canvas = renderer.domElement;
  107. camera.aspect = canvas.clientWidth / canvas.clientHeight;
  108. camera.updateProjectionMatrix();
  109. }
  110. renderer.render(scene, camera);
  111. requestAnimationFrame(render);
  112. }
  113. requestAnimationFrame(render);
  114. }
  115. main();
  116. </script>
  117. </html>