aframe-globe-component
Version:
A 3D Globe component for A-Frame.
81 lines (68 loc) • 3.88 kB
HTML
<html>
<head>
<meta charset="utf-8">
<title>A-Frame 3D Globe Component Example</title>
<meta name="description" content="Example for 3D Globe component."></meta>
<script src="//cdn.jsdelivr.net/npm/aframe"></script>
<script src="//cdn.jsdelivr.net/npm/aframe-globe-component"></script>
<!-- <script src="../../dist/aframe-globe-component.min.js"></script>-->
</head>
<body>
<a-scene stats background="color: #001">
<a-camera
position="0 0 25"
look-controls="pointerLockEnabled: false"
wasd-controls="fly: true; acceleration: 50;"
></a-camera>
<a-entity id="globe" scale="0.1 0.1 0.1" globe="
globe-image-url: //cdn.jsdelivr.net/npm/three-globe/example/img/earth-blue-marble.jpg;
particle-lat: lat;
particle-lng: lng;
particle-altitude: alt;
"></a-entity>
</a-scene>
<script type="module">
import * as satellite from 'https://esm.sh/satellite.js';
const EARTH_RADIUS_KM = 6371; // km
const TIME_STEP = 3 * 1000; // per frame
const globeEntity = document.getElementById('globe');
globeEntity.setAttribute('globe', {
particlesColor: () => 'palegreen'
});
fetch('//cdn.jsdelivr.net/npm/three-globe/example/satellites/space-track-leo.txt').then(r => r.text()).then(rawData => {
const tleData = rawData.replace(/\r/g, '').split(/\n(?=[^12])/).map(tle => tle.split('\n'));
const satData = tleData.map(([name, ...tle]) => ({
satrec: satellite.twoline2satrec(...tle),
name: name.trim().replace(/^0 /, '')
}));
// time ticker
let time = new Date();
(function frameTicker() {
requestAnimationFrame(frameTicker);
time = new Date(+time + TIME_STEP);
// Update satellite positions
const gmst = satellite.gstime(time);
satData.forEach(d => {
const eci = satellite.propagate(d.satrec, time);
if (eci.position) {
const gdPos = satellite.eciToGeodetic(eci.position, gmst);
d.lat = satellite.radiansToDegrees(gdPos.latitude);
d.lng = satellite.radiansToDegrees(gdPos.longitude);
d.alt = gdPos.height / EARTH_RADIUS_KM
}
});
globeEntity.setAttribute('globe', 'particlesData', [satData.filter(d => !isNaN(d.lat) && !isNaN(d.lng) && !isNaN(d.alt))]);
})();
});
</script>
<!-- GitHub Corner. -->
<a href="https://github.com/vasturiano/aframe-globe-component" class="github-corner">
<svg width="80" height="80" viewBox="0 0 250 250" style="fill:#222; color:#fff; position: absolute; top: 0; border: 0; right: 0;">
<path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path><path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path><path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path>
</svg>
</a>
<style>.github-corner:hover .octo-arm{animation:octocat-wave 560ms ease-in-out}@keyframes octocat-wave{0%,100%{transform:rotate(0)}20%,60%{transform:rotate(-25deg)}40%,80%{transform:rotate(10deg)}}@media (max-width:500px){.github-corner:hover .octo-arm{animation:none}.github-corner .octo-arm{animation:octocat-wave 560ms ease-in-out}}</style>
<!-- End GitHub Corner. -->
</body>
</html>