webgl_loader_vox.html 2.7 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - loaders - vox loader</title>
  5. <meta charset="utf-8">
  6. <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
  7. <link type="text/css" rel="stylesheet" href="main.css">
  8. </head>
  9. <body>
  10. <div id="info">
  11. <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - vox loader (<a href="https://ephtracy.github.io/" target="_blank" rel="noopener">Magica Voxel</a>)
  12. </div>
  13. <script type="module">
  14. import * as THREE from '../build/three.module.js';
  15. import { OrbitControls } from './jsm/controls/OrbitControls.js';
  16. import { VOXLoader } from './jsm/loaders/VOXLoader.js';
  17. var container;
  18. var camera, controls, scene, renderer;
  19. init();
  20. animate();
  21. function init() {
  22. camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.01, 1e10 );
  23. camera.position.set( 0, 0.1, 0.2 );
  24. scene = new THREE.Scene();
  25. scene.add( camera );
  26. var loader = new VOXLoader();
  27. loader.load( 'models/vox/teapot.vox', function ( chunks ) {
  28. const geometry = new THREE.BoxBufferGeometry( 1, 1, 1 );
  29. const material = new THREE.MeshNormalMaterial();
  30. const matrix = new THREE.Matrix4();
  31. for ( var i = 0; i < chunks.length; i ++ ) {
  32. const chunk = chunks[ i ];
  33. const size = chunk.size;
  34. const data = chunk.data;
  35. const mesh = new THREE.InstancedMesh( geometry, material, data.length / 4 );
  36. mesh.scale.setScalar( 0.0015 );
  37. scene.add( mesh );
  38. for ( var j = 0, k = 0; j < data.length; j += 4, k ++ ) {
  39. const x = data[ j + 0 ] - size.x / 2;
  40. const y = data[ j + 1 ] - size.y / 2;
  41. const z = data[ j + 2 ] - size.z / 2;
  42. mesh.setMatrixAt( k, matrix.setPosition( x, z, - y ) );
  43. }
  44. }
  45. } );
  46. // renderer
  47. renderer = new THREE.WebGLRenderer();
  48. renderer.setPixelRatio( window.devicePixelRatio );
  49. renderer.setSize( window.innerWidth, window.innerHeight );
  50. container = document.createElement( 'div' );
  51. document.body.appendChild( container );
  52. container.appendChild( renderer.domElement );
  53. // controls
  54. controls = new OrbitControls( camera, renderer.domElement );
  55. controls.minDistance = .1;
  56. controls.maxDistance = 0.5;
  57. //
  58. window.addEventListener( 'resize', onWindowResize, false );
  59. }
  60. function onWindowResize() {
  61. camera.aspect = window.innerWidth / window.innerHeight;
  62. camera.updateProjectionMatrix();
  63. renderer.setSize( window.innerWidth, window.innerHeight );
  64. controls.handleResize();
  65. }
  66. function animate() {
  67. requestAnimationFrame( animate );
  68. controls.update();
  69. renderer.render( scene, camera );
  70. }
  71. </script>
  72. </body>
  73. </html>