webgl_loader_xyz.html 2.5 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - loaders - XYZ</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> - XYZ loader<br/>
  12. asset from <a href="https://people.math.sc.edu/Burkardt/data/xyz/xyz.html" target="_blank" rel="noopener">people.math.sc.edu</a> via GNU LGPL
  13. </div>
  14. <!-- Import maps polyfill -->
  15. <!-- Remove this when import maps will be widely supported -->
  16. <script async src="https://unpkg.com/[email protected]/dist/es-module-shims.js"></script>
  17. <script type="importmap">
  18. {
  19. "imports": {
  20. "three": "../build/three.module.js"
  21. }
  22. }
  23. </script>
  24. <script type="module">
  25. import * as THREE from 'three';
  26. import { XYZLoader } from './jsm/loaders/XYZLoader.js';
  27. let camera, scene, renderer, clock;
  28. let points;
  29. init();
  30. animate();
  31. function init() {
  32. camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 100 );
  33. camera.position.set( 10, 7, 10 );
  34. scene = new THREE.Scene();
  35. scene.add( camera );
  36. camera.lookAt( scene.position );
  37. clock = new THREE.Clock();
  38. const loader = new XYZLoader();
  39. loader.load( 'models/xyz/helix_201.xyz', function ( geometry ) {
  40. geometry.center();
  41. const vertexColors = ( geometry.hasAttribute( 'color' ) === true );
  42. const material = new THREE.PointsMaterial( { size: 0.1, vertexColors: vertexColors } );
  43. points = new THREE.Points( geometry, material );
  44. scene.add( points );
  45. } );
  46. //
  47. renderer = new THREE.WebGLRenderer();
  48. renderer.setPixelRatio( window.devicePixelRatio );
  49. renderer.setSize( window.innerWidth, window.innerHeight );
  50. document.body.appendChild( renderer.domElement );
  51. //
  52. window.addEventListener( 'resize', onWindowResize );
  53. }
  54. function onWindowResize() {
  55. camera.aspect = window.innerWidth / window.innerHeight;
  56. camera.updateProjectionMatrix();
  57. renderer.setSize( window.innerWidth, window.innerHeight );
  58. }
  59. function animate() {
  60. requestAnimationFrame( animate );
  61. const delta = clock.getDelta();
  62. if ( points ) {
  63. points.rotation.x += delta * 0.2;
  64. points.rotation.y += delta * 0.5;
  65. }
  66. renderer.render( scene, camera );
  67. }
  68. </script>
  69. </body>
  70. </html>