//-------------------------------------------------------------------------------------
/// <summary>
/// CalculateOrbitSolutions Precalculate satellite positions for a particular orbit
/// </summary>
//-------------------------------------------------------------------------------------
private List<SatelliteModel> CalculateOrbitSolutions()
{
// Calculate the long orbit and divide it up into points.
double theta = 0;
List<SatelliteModel> mainOrbit = new List<SatelliteModel>();
var testSatellite = new SatelliteModel();
var satelliteRadius = PhysicalConstants.EARTHRADIUS_METERS + SimulationConstants.Altitude_Meters;
SetSatelliteData(theta, testSatellite, satelliteRadius);
var stepDistanceMeters = 20000;
mainOrbit.Add(testSatellite.Clone());
var lastLocation = testSatellite.Location;
var orbitCheckLocation = testSatellite.Location;
int count = 0;
var done = false;
int thisOrbitCount = 0;
while (!done)
{
while ((testSatellite.Location - lastLocation).Length < stepDistanceMeters)
{
var length = (testSatellite.Location - lastLocation).Length;
count++;
testSatellite.Move(.1);
// Check for orbit completion
if (thisOrbitCount > 2)
{
if ((testSatellite.Location - orbitCheckLocation).Length < stepDistanceMeters)
{
theta += Math.PI * .05;
if (theta > Math.PI * 2)
{
done = true;
}
SetSatelliteData(theta, testSatellite, satelliteRadius);
orbitCheckLocation = lastLocation = testSatellite.Location;
thisOrbitCount = 0;
break;
}
}
}
mainOrbit.Add(testSatellite.Clone());
thisOrbitCount++;
lastLocation = testSatellite.Location;
}
return mainOrbit;
}
