private static void CalculateClosestApproach(LineRenderer closestApproachLine, Orbit orbit, CelestialBodyData targetPlanet, ref bool drawn)
{
List <double> list = new List <double>();
if (orbit.periapsis < targetPlanet.orbitData.orbitHeightM && orbit.apoapsis > targetPlanet.orbitData.orbitHeightM)
{
double trueAnomalyAtRadius = Kepler.GetTrueAnomalyAtRadius(targetPlanet.orbitData.orbitHeightM, orbit.semiLatusRectum, orbit.eccentricity);
list.Add(trueAnomalyAtRadius);
list.Add(-trueAnomalyAtRadius);
}
else
{
if (!orbit.CanPasSOI(targetPlanet.orbitData.orbitHeightM, targetPlanet.mapData.showClosestApproachDistance))
{
return;
}
if (orbit.apoapsis < targetPlanet.orbitData.orbitHeightM)
{
list.Add(3.1415927410125732);
}
else
{
list.Add(0.0);
}
}
double num = double.PositiveInfinity;
Double3 posA = Double3.zero;
Double3 posB = Double3.zero;
for (int i = 0; i < list.Count; i++)
{
double nextTrueAnomalyPassageTime = orbit.GetNextTrueAnomalyPassageTime(Ref.controller.globalTime, list[i]);
if (nextTrueAnomalyPassageTime >= Ref.controller.globalTime)
{
Double3 position = Kepler.GetPosition(Kepler.GetRadius(orbit.semiLatusRectum, orbit.eccentricity, list[i]), list[i], orbit.argumentOfPeriapsis);
Double3 posOut = targetPlanet.GetPosOut(nextTrueAnomalyPassageTime);
double sqrMagnitude2d = (position - posOut).sqrMagnitude2d;
if (sqrMagnitude2d <= num)
{
num = sqrMagnitude2d;
posA = position;
posB = posOut;
}
}
}
if (list.Count > 0)
{
ClosestApproach.SetLine(closestApproachLine, posA, posB, Ref.map.mapRefs[targetPlanet.parentBody].holder);
drawn = true;
}
}
private static void CalculateClosestApproach(LineRenderer closestApproachLine, Orbit orbitA, Orbit orbitB, double time, ref bool drawn)
{
if (orbitA.orbitType != Orbit.Type.Eternal || orbitB.orbitType != Orbit.Type.Eternal)
{
return;
}
List <double> list = new List <double>();
if (orbitA._period > orbitB._period)
{
list.Add(ClosestApproach.GetIntersectTrueAnomalyGlobal(orbitA, orbitB, time, 15) - orbitA.argumentOfPeriapsis);
}
else
{
list.Add(ClosestApproach.GetIntersectTrueAnomalyGlobal(orbitB, orbitA, time, 15) - orbitA.argumentOfPeriapsis);
}
double num = double.PositiveInfinity;
Double3 posA = Double3.zero;
Double3 posB = Double3.zero;
for (int i = 0; i < list.Count; i++)
{
double nextTrueAnomalyPassageTime = orbitA.GetNextTrueAnomalyPassageTime(Ref.controller.globalTime, list[i]);
if (nextTrueAnomalyPassageTime >= Ref.controller.globalTime)
{
Double3 position = Kepler.GetPosition(Kepler.GetRadius(orbitA.semiLatusRectum, orbitA.eccentricity, list[i]), list[i], orbitA.argumentOfPeriapsis);
Double3 posOut = orbitB.GetPosOut(nextTrueAnomalyPassageTime);
double sqrMagnitude2d = (position - posOut).sqrMagnitude2d;
if (sqrMagnitude2d <= num)
{
num = sqrMagnitude2d;
posA = position;
posB = posOut;
}
}
}
if (list.Count > 0)
{
ClosestApproach.SetLine(closestApproachLine, posA, posB, Ref.map.mapRefs[orbitA.planet].holder);
drawn = true;
}
}
public static void DrawClosestApproachPlanet(LineRenderer closestApproachLine, List <Orbit> orbits, CelestialBodyData targetPlanet, ref bool drawn)
{
for (int i = 0; i < orbits.Count; i++)
{
if (orbits[i].orbitType != Orbit.Type.Encounter)
{
if (orbits[i].planet == targetPlanet)
{
ClosestApproach.SetLine(closestApproachLine, Kepler.GetPosition(orbits[i].periapsis, 0.0, orbits[i].argumentOfPeriapsis), Double3.zero, Ref.map.mapRefs[targetPlanet].holder);
drawn = true;
return;
}
if (orbits[i].planet == targetPlanet.parentBody)
{
ClosestApproach.CalculateClosestApproach(closestApproachLine, orbits[i], targetPlanet, ref drawn);
if (drawn)
{
return;
}
}
}
}
}