IEnumerator UpdateSatLocation()
{
foreach (Satellite sat in sats)
{
Destroy(transform.FindChild(sat.Name).gameObject);
Eci eci = sat.PositionEci(DateTime.UtcNow);
TopoTime topo = referencePoint.GetLookAngle(new EciTime(eci, new Julian(DateTime.UtcNow)));
// Topocentric to xyz coordinates: a = azimuth, e = elevation, r = range.
// x = r * cos(e)sin(a), y = r * cos(e)sin(a), z = r * sin(e)
float x = (float)topo.Range * Mathf.Cos((float)topo.ElevationRad) * Mathf.Sin((float)topo.AzimuthRad);
float y = (float)topo.Range * Mathf.Cos((float)topo.ElevationRad) * Mathf.Cos((float)topo.AzimuthRad);
float z = (float)topo.Range * Mathf.Sin((float)topo.ElevationRad);
Vector3 lookVector = new Vector3(x, y, z);
GameObject satellite = Instantiate(Prefab);
satellite.GetComponent <SatelliteScript>().Setup(sat.Name);
satellite.transform.parent = transform;
satellite.transform.localPosition = (lookVector / 1000) + new Vector3(0, 0, 6.371f);
yield return(null);
}
}
void Start()
{
WebRequest request = WebRequest.Create(URL);
WebResponse response = request.GetResponse();
Stream dataStream = response.GetResponseStream();
StreamReader reader = new StreamReader(dataStream);
while (reader.Peek() > -1)
{
string name = reader.ReadLine();
string line1 = reader.ReadLine();
string line2 = reader.ReadLine();
Tle tle = new Tle(name, line1, line2);
Satellite sat = new Satellite(tle);
sats.Add(sat);
Eci eci = sat.PositionEci(DateTime.UtcNow);
TopoTime topo = referencePoint.GetLookAngle(new EciTime(eci, new Julian(DateTime.UtcNow)));
// Topocentric to xyz coordinates: a = azimuth, e = elevation, r = range.
// x = r * cos(e)sin(a), y = r * cos(e)sin(a), z = r * sin(e)
float x = (float)topo.Range * Mathf.Cos((float)topo.ElevationRad) * Mathf.Sin((float)topo.AzimuthRad);
float y = (float)topo.Range * Mathf.Cos((float)topo.ElevationRad) * Mathf.Cos((float)topo.AzimuthRad);
float z = (float)topo.Range * Mathf.Sin((float)topo.ElevationRad);
Vector3 lookVector = new Vector3(x, y, z);
GameObject satellite = Instantiate(Prefab);
satellite.GetComponent <SatelliteScript>().Setup(name);
satellite.transform.parent = transform;
satellite.transform.localPosition = (lookVector / 1000) + new Vector3(0, 0, 6.371f);
}
InvokeRepeating("StartLocationUpdate", 0, 1.0f);
}
