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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgl - loaders - XYZ</title>
- <meta charset="utf-8">
- <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
- <link type="text/css" rel="stylesheet" href="main.css">
- </head>
- <body>
- <div id="info">
- <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - XYZ loader<br/>
- 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
- </div>
- <script type="importmap">
- {
- "imports": {
- "three": "../build/three.module.js",
- "three/addons/": "./jsm/"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- import { XYZLoader } from 'three/addons/loaders/XYZLoader.js';
- let camera, scene, renderer, clock;
- let points;
- init();
- function init() {
- camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 100 );
- camera.position.set( 10, 7, 10 );
- scene = new THREE.Scene();
- scene.add( camera );
- camera.lookAt( scene.position );
- clock = new THREE.Clock();
- const loader = new XYZLoader();
- loader.load( 'models/xyz/helix_201.xyz', function ( geometry ) {
- geometry.center();
- const vertexColors = ( geometry.hasAttribute( 'color' ) === true );
- const material = new THREE.PointsMaterial( { size: 0.1, vertexColors: vertexColors } );
- points = new THREE.Points( geometry, material );
- scene.add( points );
- } );
- //
- renderer = new THREE.WebGLRenderer( { antialias: true } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- renderer.setAnimationLoop( animate );
- document.body.appendChild( renderer.domElement );
- //
- window.addEventListener( 'resize', onWindowResize );
- }
- function onWindowResize() {
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- }
- function animate() {
- const delta = clock.getDelta();
- if ( points ) {
- points.rotation.x += delta * 0.2;
- points.rotation.y += delta * 0.5;
- }
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
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