webgl_loader_xyz.html 2.7 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. <meta property="og:title" content="three.js webgl - loaders - XYZ">
  8. <meta property="og:type" content="website">
  9. <meta property="og:url" content="https://threejs.org/examples/webgl_loader_xyz.html">
  10. <meta property="og:image" content="https://threejs.org/examples/screenshots/webgl_loader_xyz.jpg">
  11. <link type="text/css" rel="stylesheet" href="main.css">
  12. </head>
  13. <body>
  14. <div id="info">
  15. <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - XYZ loader<br/>
  16. 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
  17. </div>
  18. <script type="importmap">
  19. {
  20. "imports": {
  21. "three": "../build/three.module.js",
  22. "three/addons/": "./jsm/"
  23. }
  24. }
  25. </script>
  26. <script type="module">
  27. import * as THREE from 'three';
  28. import { XYZLoader } from 'three/addons/loaders/XYZLoader.js';
  29. let camera, scene, renderer, timer;
  30. let points;
  31. init();
  32. function init() {
  33. camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 100 );
  34. camera.position.set( 10, 7, 10 );
  35. scene = new THREE.Scene();
  36. scene.add( camera );
  37. camera.lookAt( scene.position );
  38. timer = new THREE.Timer();
  39. timer.connect( document );
  40. const loader = new XYZLoader();
  41. loader.load( 'models/xyz/helix_201.xyz', function ( geometry ) {
  42. geometry.center();
  43. const vertexColors = ( geometry.hasAttribute( 'color' ) === true );
  44. const material = new THREE.PointsMaterial( { size: 0.1, vertexColors: vertexColors } );
  45. points = new THREE.Points( geometry, material );
  46. scene.add( points );
  47. } );
  48. //
  49. renderer = new THREE.WebGLRenderer( { antialias: true } );
  50. renderer.setPixelRatio( window.devicePixelRatio );
  51. renderer.setSize( window.innerWidth, window.innerHeight );
  52. renderer.setAnimationLoop( animate );
  53. document.body.appendChild( renderer.domElement );
  54. //
  55. window.addEventListener( 'resize', onWindowResize );
  56. }
  57. function onWindowResize() {
  58. camera.aspect = window.innerWidth / window.innerHeight;
  59. camera.updateProjectionMatrix();
  60. renderer.setSize( window.innerWidth, window.innerHeight );
  61. }
  62. function animate() {
  63. timer.update();
  64. const delta = timer.getDelta();
  65. if ( points ) {
  66. points.rotation.x += delta * 0.2;
  67. points.rotation.y += delta * 0.5;
  68. }
  69. renderer.render( scene, camera );
  70. }
  71. </script>
  72. </body>
  73. </html>
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