threejs-responsive-no-resize.html 2.0 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 - Responsive no resize</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. <script src="resources/threejs/r98/three.min.js"></script>
  24. <script>
  25. 'use strict';
  26. /* global THREE */
  27. function main() {
  28. const canvas = document.querySelector('#c');
  29. const renderer = new THREE.WebGLRenderer({canvas: canvas});
  30. const fov = 75;
  31. const aspect = 2; // the canvas default
  32. const near = 0.1;
  33. const far = 5;
  34. const camera = new THREE.PerspectiveCamera(fov, aspect, near, far);
  35. camera.position.z = 2;
  36. const scene = new THREE.Scene();
  37. {
  38. const color = 0xFFFFFF;
  39. const intensity = 1;
  40. const light = new THREE.DirectionalLight(color, intensity);
  41. light.position.set(-1, 2, 4);
  42. scene.add(light);
  43. }
  44. const boxWidth = 1;
  45. const boxHeight = 1;
  46. const boxDepth = 1;
  47. const geometry = new THREE.BoxGeometry(boxWidth, boxHeight, boxDepth);
  48. function makeInstance(geometry, color, x) {
  49. const material = new THREE.MeshPhongMaterial({color});
  50. const cube = new THREE.Mesh(geometry, material);
  51. scene.add(cube);
  52. cube.position.x = x;
  53. return cube;
  54. }
  55. const cubes = [
  56. makeInstance(geometry, 0x44aa88, 0),
  57. makeInstance(geometry, 0x8844aa, -2),
  58. makeInstance(geometry, 0xaa8844, 2),
  59. ];
  60. function render(time) {
  61. time *= 0.001;
  62. cubes.forEach((cube, ndx) => {
  63. const speed = 1 + ndx * .1;
  64. const rot = time * speed;
  65. cube.rotation.x = rot;
  66. cube.rotation.y = rot;
  67. });
  68. renderer.render(scene, camera);
  69. requestAnimationFrame(render);
  70. }
  71. requestAnimationFrame(render);
  72. }
  73. main();
  74. </script>
  75. </html>