webxr-basic-w-background.html 3.1 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 - WebXR - Basic w/background</title>
  8. <style>
  9. html, body {
  10. height: 100%;
  11. margin: 0;
  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 type="importmap">
  24. {
  25. "imports": {
  26. "three": "../../build/three.module.js",
  27. "three/addons/": "../../examples/jsm/"
  28. }
  29. }
  30. </script>
  31. <script type="module">
  32. import * as THREE from 'three';
  33. import { VRButton } from 'three/addons/webxr/VRButton.js';
  34. function main() {
  35. const canvas = document.querySelector( '#c' );
  36. const renderer = new THREE.WebGLRenderer( { antialias: true, canvas } );
  37. renderer.xr.enabled = true;
  38. document.body.appendChild( VRButton.createButton( renderer ) );
  39. const fov = 75;
  40. const aspect = 2; // the canvas default
  41. const near = 0.1;
  42. const far = 50;
  43. const camera = new THREE.PerspectiveCamera( fov, aspect, near, far );
  44. camera.position.set( 0, 1.6, 0 );
  45. const scene = new THREE.Scene();
  46. {
  47. const loader = new THREE.CubeTextureLoader();
  48. const texture = loader.load( [
  49. 'resources/images/grid-1024.png',
  50. 'resources/images/grid-1024.png',
  51. 'resources/images/grid-1024.png',
  52. 'resources/images/grid-1024.png',
  53. 'resources/images/grid-1024.png',
  54. 'resources/images/grid-1024.png',
  55. ] );
  56. scene.background = texture;
  57. }
  58. {
  59. const color = 0xFFFFFF;
  60. const intensity = 3;
  61. const light = new THREE.DirectionalLight( color, intensity );
  62. light.position.set( - 1, 2, 4 );
  63. scene.add( light );
  64. }
  65. const boxWidth = 1;
  66. const boxHeight = 1;
  67. const boxDepth = 1;
  68. const geometry = new THREE.BoxGeometry( boxWidth, boxHeight, boxDepth );
  69. function makeInstance( geometry, color, x ) {
  70. const material = new THREE.MeshPhongMaterial( { color } );
  71. const cube = new THREE.Mesh( geometry, material );
  72. scene.add( cube );
  73. cube.position.x = x;
  74. cube.position.y = 1.6;
  75. cube.position.z = - 2;
  76. return cube;
  77. }
  78. const cubes = [
  79. makeInstance( geometry, 0x44aa88, 0 ),
  80. makeInstance( geometry, 0x8844aa, - 2 ),
  81. makeInstance( geometry, 0xaa8844, 2 ),
  82. ];
  83. function resizeRendererToDisplaySize( renderer ) {
  84. const canvas = renderer.domElement;
  85. const width = canvas.clientWidth;
  86. const height = canvas.clientHeight;
  87. const needResize = canvas.width !== width || canvas.height !== height;
  88. if ( needResize ) {
  89. renderer.setSize( width, height, false );
  90. }
  91. return needResize;
  92. }
  93. function render( time ) {
  94. time *= 0.001;
  95. if ( resizeRendererToDisplaySize( renderer ) ) {
  96. const canvas = renderer.domElement;
  97. camera.aspect = canvas.clientWidth / canvas.clientHeight;
  98. camera.updateProjectionMatrix();
  99. }
  100. cubes.forEach( ( cube, ndx ) => {
  101. const speed = 1 + ndx * .1;
  102. const rot = time * speed;
  103. cube.rotation.x = rot;
  104. cube.rotation.y = rot;
  105. } );
  106. renderer.render( scene, camera );
  107. }
  108. renderer.setAnimationLoop( render );
  109. }
  110. main();
  111. </script>
  112. </html>