-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Add particles layer and satellites example
- Loading branch information
1 parent
0d16c54
commit 5fcea63
Showing
9 changed files
with
10,442 additions
and
247 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| <head> | ||
| <style> body { margin: 0; } </style> | ||
|
|
||
| <script type="importmap">{ "imports": { | ||
| "three": "https://esm.sh/three", | ||
| "three/": "https://esm.sh/three/", | ||
| "three/addons/": "https://esm.sh/three/examples/jsm/", | ||
| "react": "https://esm.sh/react@18", | ||
| "react/": "https://esm.sh/react@18/", | ||
| "react-dom": "https://esm.sh/react-dom@18", | ||
| "react-dom/": "https://esm.sh/react-dom@18/", | ||
| "@react-three/fiber": "https://esm.sh/@react-three/fiber?external=react,react-dom,three", | ||
| "@react-three/drei": "https://esm.sh/@react-three/drei?external=@react-three/fiber,react,react-dom,three" | ||
| }}</script> | ||
|
|
||
| <!-- <script type="module">import * as THREE from 'three'; import * as React from 'react'; window.THREE = THREE; window.React = React;</script>--> | ||
| <!-- <script src="../../dist/r3f-globe.js" defer></script>--> | ||
| </head> | ||
|
|
||
| <body> | ||
| <div id="r3fScene"></div> | ||
|
|
||
| <script src="//unpkg.com/@babel/standalone"></script> | ||
| <script type="text/jsx" data-type="module"> | ||
| import R3fGlobe from 'https://esm.sh/r3f-globe?external=three,react'; | ||
| import React, { useMemo, useCallback, useEffect, useState } from "react"; | ||
| import ReactDOM from "react-dom"; | ||
| import { Canvas } from '@react-three/fiber'; | ||
| import { OrbitControls } from '@react-three/drei'; | ||
| import * as satellite from 'https://esm.sh/satellite.js'; | ||
|
|
||
| const EARTH_RADIUS_KM = 6371; // km | ||
| const TIME_STEP = 3 * 1000; // per frame | ||
|
|
||
| const GlobeViz = () => { | ||
| const [satData, setSatData] = useState(); | ||
| const [time, setTime] = useState(new Date()); | ||
|
|
||
| useEffect(() => { | ||
| // time ticker | ||
| (function frameTicker() { | ||
| requestAnimationFrame(frameTicker); | ||
| setTime(time => new Date(+time + TIME_STEP)); | ||
| })(); | ||
| }, []); | ||
|
|
||
| useEffect(() => { | ||
| // load satellite data | ||
| fetch('//unpkg.com/globe.gl/example/datasets/space-track-leo.txt').then(r => r.text()).then(rawData => { | ||
| const tleData = rawData.replace(/\r/g, '') | ||
| .split(/\n(?=[^12])/) | ||
| .filter(d => d) | ||
| .map(tle => tle.split('\n')); | ||
| const satData = tleData.map(([name, ...tle]) => ({ | ||
| satrec: satellite.twoline2satrec(...tle), | ||
| name: name.trim().replace(/^0 /, '') | ||
| })) | ||
| // exclude those that can't be propagated | ||
| .filter(d => !!satellite.propagate(d.satrec, new Date()).position); | ||
|
|
||
| setSatData(satData); | ||
| }); | ||
| }, []); | ||
|
|
||
| const particlesData = useMemo(() => { | ||
| if (!satData) return []; | ||
|
|
||
| // Update satellite positions | ||
| const gmst = satellite.gstime(time); | ||
| return [ | ||
| satData.map(d => { | ||
| const eci = satellite.propagate(d.satrec, time); | ||
| if (eci.position) { | ||
| const gdPos = satellite.eciToGeodetic(eci.position, gmst); | ||
| const lat = satellite.radiansToDegrees(gdPos.latitude); | ||
| const lng = satellite.radiansToDegrees(gdPos.longitude); | ||
| const alt = gdPos.height / EARTH_RADIUS_KM; | ||
| return { ...d, lat, lng, alt }; | ||
| } | ||
| return d; | ||
| }).filter(d => !isNaN(d.lat) && !isNaN(d.lng) && !isNaN(d.alt)) | ||
| ]; | ||
| }, [satData, time]); | ||
|
|
||
| return <R3fGlobe | ||
| globeImageUrl="//unpkg.com/three-globe/example/img/earth-blue-marble.jpg" | ||
| particlesData={particlesData} | ||
| particleLabel="name" | ||
| particleLat="lat" | ||
| particleLng="lng" | ||
| particleAltitude="alt" | ||
| particlesColor={useCallback(() => 'palegreen', [])} | ||
| onHover={console.log} | ||
| />; | ||
| } | ||
|
|
||
| const Scene = () => { | ||
| return <div style={{ height: window.innerHeight }}> | ||
| <Canvas | ||
| camera={useMemo(() => ({position: [0, 0, 250]}), [])} | ||
| raycaster={useMemo(() => ({ params: { Points: { threshold: 0.2 } } }), [])} | ||
| > | ||
| <OrbitControls minDistance={101} maxDistance={1e4} dampingFactor={0.1} zoomSpeed={0.3} rotateSpeed={0.3} /> | ||
| <color attach="background" args={[0, 0, 0]}/> | ||
| <ambientLight intensity={Math.PI}/> | ||
| <directionalLight intensity={0.6 * Math.PI}/> | ||
| <GlobeViz /> | ||
| </Canvas> | ||
| </div>; | ||
| }; | ||
|
|
||
| ReactDOM.createRoot(document.getElementById('r3fScene')) | ||
| .render(<Scene />); | ||
| </script> | ||
| </body> |
Loading
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
Oops, something went wrong.