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/r94/three.min.js"></script>
  24. <script>
  25. 'use strict';
  26. function main() {
  27. const canvas = document.querySelector('#c');
  28. const renderer = new THREE.WebGLRenderer({canvas: canvas});
  29. const fov = 75;
  30. const aspect = 2; // the canvas default
  31. const zNear = 0.1;
  32. const zFar = 5;
  33. const camera = new THREE.PerspectiveCamera(fov, aspect, zNear, zFar);
  34. camera.position.z = 2;
  35. const scene = new THREE.Scene();
  36. {
  37. const color = 0xFFFFFF;
  38. const intensity = 1;
  39. const light = new THREE.DirectionalLight(color, intensity);
  40. light.position.set(-1, 2, 4);
  41. scene.add(light);
  42. }
  43. const boxWidth = 1;
  44. const boxHeight = 1;
  45. const boxDepth = 1;
  46. const geometry = new THREE.BoxGeometry(boxWidth, boxHeight, boxDepth);
  47. function makeInstance(geometry, color, x) {
  48. const material = new THREE.MeshPhongMaterial({color});
  49. const cube = new THREE.Mesh(geometry, material);
  50. scene.add(cube);
  51. cube.position.x = x;
  52. return cube;
  53. }
  54. const cubes = [
  55. makeInstance(geometry, 0x44aa88, 0),
  56. makeInstance(geometry, 0x8844aa, -2),
  57. makeInstance(geometry, 0xaa8844, 2),
  58. ];
  59. function render(time) {
  60. time *= 0.001;
  61. cubes.forEach((cube, ndx) => {
  62. const speed = 1 + ndx * .1;
  63. const rot = time * speed;
  64. cube.rotation.x = rot;
  65. cube.rotation.y = rot;
  66. });
  67. renderer.render(scene, camera);
  68. requestAnimationFrame(render);
  69. }
  70. requestAnimationFrame(render);
  71. }
  72. main();
  73. </script>
  74. </html>