public static void SetEllipse(float epoch, EllipseBase ellipseBase, SolarBody sb) {
// orbital element variation is not provided - only phase to determine
// What is the delat to the reference epoch?
float deltaYears = epoch - sb.epoch;
float period = SolarUtils.GetPeriodYears(sb);
float numPeriod = deltaYears/period;
ellipseBase.phase = OrbitEllipse.MeanToTrueAnomoly(NUtils.DegressMod360( sb.longitude + 360f*numPeriod), ellipseBase.ecc);
}
public static void SetEllipse(float epoch, EllipseBase ellipseBase, SolarBody sb)
{
// orbital element variation is not provided - only phase to determine
// What is the delta to the reference epoch?
float deltaYears = epoch - sb.epoch;
float period = SolarUtils.GetPeriodYears(sb);
float numPeriod = deltaYears / period;
// epoch was for time at perihelion (i.e. longitude = 0)
// w = w_bar - Omega,
ellipseBase.phase = OrbitEllipse.MeanToTrueAnomoly(NUtils.DegressMod360(360f * numPeriod), ellipseBase.ecc);
// Debug.Log(" numP=" + numPeriod + " M=" + NUtils.DegressMod360(360f*numPeriod) +
// " phase=" + ellipseBase.phase);
}
