public static List <Vector3> GetOrbitalPath(Orbiter orbiter, int segmentCount)
{
List <Vector3> points = new List <Vector3>();
if (orbiter.Orbit == OrbitType.Circular)
{
float deltaAngle = TwoPI / (float)segmentCount;
Vector3 firstPoint = Vector3.zero;
float scaler = (float)orbiter.GetOrbitalScale();
for (float angle = 0; angle < TwoPI; angle += deltaAngle)
{
float x = orbiter.SemiMajorAxis * Mathf.Cos(angle) * scaler;
float z = orbiter.SemiMajorAxis * Mathf.Sin(angle) * scaler;
Vector3 point = new Vector3(x, 0.0f, z);
points.Add(point);
if (angle == 0)
{
firstPoint = point;
}
}
if (firstPoint != Vector3.zero)
{
points.Add(firstPoint);
}
}
return(points);
}
public static Vector3 GetOrbitPositionAtTime(Orbiter orbiter, long time, double scale)
{
float angle = GetOrbitAngleAtTime(orbiter, time);
if (orbiter.Orbit == OrbitType.Circular)
{
float orbitalRadius = orbiter.SemiMajorAxis * (float)scale;
float x = orbitalRadius * Mathf.Cos(angle);
float z = orbitalRadius * Mathf.Sin(angle);
return(new Vector3(x, 0f, z));
}
return(Vector3.zero);
}
public static float GetOrbitAngleAtTime(Orbiter orbiter, long time)
{
float angle = 0f;
long orbitTime = orbiter.GetOrbitTime();
if (orbiter.Orbit == OrbitType.Circular)
{
long remainder = time % orbitTime;
float angleDelta = ((float)remainder / (float)orbitTime) * TwoPI;
angle = orbiter.InitialAngle + angleDelta;
}
return(angle);
}