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2 years ago
<!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>
<!-- Import maps polyfill -->
<!-- Remove this when import maps will be widely supported -->
<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
<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();
animate();
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();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
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() {
requestAnimationFrame( 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>