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110 lines
2.5 KiB
110 lines
2.5 KiB
3 years ago
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - loaders - XYZ</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<link type="text/css" rel="stylesheet" href="main.css">
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</head>
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<body>
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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - XYZ loader<br/>
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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
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</div>
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<!-- Import maps polyfill -->
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<!-- Remove this when import maps will be widely supported -->
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<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.module.js",
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"three/addons/": "./jsm/"
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three';
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import { XYZLoader } from 'three/addons/loaders/XYZLoader.js';
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let camera, scene, renderer, clock;
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let points;
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init();
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animate();
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function init() {
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camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 100 );
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camera.position.set( 10, 7, 10 );
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scene = new THREE.Scene();
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scene.add( camera );
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camera.lookAt( scene.position );
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clock = new THREE.Clock();
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const loader = new XYZLoader();
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loader.load( 'models/xyz/helix_201.xyz', function ( geometry ) {
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geometry.center();
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const vertexColors = ( geometry.hasAttribute( 'color' ) === true );
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const material = new THREE.PointsMaterial( { size: 0.1, vertexColors: vertexColors } );
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points = new THREE.Points( geometry, material );
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scene.add( points );
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} );
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//
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renderer = new THREE.WebGLRenderer();
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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document.body.appendChild( renderer.domElement );
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//
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window.addEventListener( 'resize', onWindowResize );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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function animate() {
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requestAnimationFrame( animate );
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const delta = clock.getDelta();
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if ( points ) {
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points.rotation.x += delta * 0.2;
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points.rotation.y += delta * 0.5;
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}
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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