threejs-textured-cube.html 2.3 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091
  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 - Textured Cube</title>
  8. <style>
  9. body {
  10. margin: 0;
  11. }
  12. #c {
  13. width: 100vw;
  14. height: 100vh;
  15. display: block;
  16. }
  17. </style>
  18. </head>
  19. <body>
  20. <canvas id="c"></canvas>
  21. </body>
  22. <script type="module">
  23. import * as THREE from './resources/threejs/r114/build/three.module.js';
  24. function main() {
  25. const canvas = document.querySelector('#c');
  26. const renderer = new THREE.WebGLRenderer({canvas});
  27. const fov = 75;
  28. const aspect = 2; // the canvas default
  29. const near = 0.1;
  30. const far = 5;
  31. const camera = new THREE.PerspectiveCamera(fov, aspect, near, far);
  32. camera.position.z = 2;
  33. const scene = new THREE.Scene();
  34. const boxWidth = 1;
  35. const boxHeight = 1;
  36. const boxDepth = 1;
  37. const geometry = new THREE.BoxGeometry(boxWidth, boxHeight, boxDepth);
  38. const cubes = []; // just an array we can use to rotate the cubes
  39. const loader = new THREE.TextureLoader();
  40. const material = new THREE.MeshBasicMaterial({
  41. map: loader.load('resources/images/wall.jpg'),
  42. });
  43. const cube = new THREE.Mesh(geometry, material);
  44. scene.add(cube);
  45. cubes.push(cube); // add to our list of cubes to rotate
  46. function resizeRendererToDisplaySize(renderer) {
  47. const canvas = renderer.domElement;
  48. const width = canvas.clientWidth;
  49. const height = canvas.clientHeight;
  50. const needResize = canvas.width !== width || canvas.height !== height;
  51. if (needResize) {
  52. renderer.setSize(width, height, false);
  53. }
  54. return needResize;
  55. }
  56. function render(time) {
  57. time *= 0.001;
  58. if (resizeRendererToDisplaySize(renderer)) {
  59. const canvas = renderer.domElement;
  60. camera.aspect = canvas.clientWidth / canvas.clientHeight;
  61. camera.updateProjectionMatrix();
  62. }
  63. cubes.forEach((cube, ndx) => {
  64. const speed = .2 + ndx * .1;
  65. const rot = time * speed;
  66. cube.rotation.x = rot;
  67. cube.rotation.y = rot;
  68. });
  69. renderer.render(scene, camera);
  70. requestAnimationFrame(render);
  71. }
  72. requestAnimationFrame(render);
  73. }
  74. main();
  75. </script>
  76. </html>