private static double GetDistanceSqrtAtHeight(Orbit orbitA, Orbit orbitB, double time, double globalTrueAnomaly)
{
double nextTrueAnomalyPassageTime = orbitA.GetNextTrueAnomalyPassageTime(time, globalTrueAnomaly - orbitA.argumentOfPeriapsis);
Double3 position = Kepler.GetPosition(Kepler.GetRadius(orbitA.semiLatusRectum, orbitA.eccentricity, globalTrueAnomaly - orbitA.argumentOfPeriapsis), globalTrueAnomaly, 0.0);
Double3 posOut = orbitB.GetPosOut(nextTrueAnomalyPassageTime);
Debug.DrawLine((position / 10000.0).toVector3, (posOut / 10000.0).toVector3, Color.green);
return((position - posOut).sqrMagnitude2d);
}
public Vector3[] GenerateOrbitLinePoints(double fromTrueAnomaly, double toTrueAnomaly, int resolution)
{
Vector3[] array = new Vector3[resolution + 1];
double num = (toTrueAnomaly - fromTrueAnomaly) % 6.2831853071795862 / (double)resolution;
for (int i = 0; i < resolution + 1; i++)
{
double v = fromTrueAnomaly + num * (double)i;
double radius = Kepler.GetRadius(this.semiLatusRectum, this.eccentricity, v);
array[i] = Kepler.GetPosition(radius, v, this.argumentOfPeriapsis).toVector3;
}
return(array);
}
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 void UpdateDynamicVariables(double newTime)
{
if (this.lastCalculationTime != newTime)
{
this.lastCalculationTime = newTime;
double eccentricAnomaly = Kepler.GetEccentricAnomaly((newTime - this.periapsisPassageTime) * this.meanMotion, this.eccentricity);
if (double.IsNaN(eccentricAnomaly))
{
return;
}
this.eccentricAnomnalyOut = eccentricAnomaly;
this.trueAnomalyOut = Kepler.GetTrueAnomaly(this.eccentricAnomnalyOut, this.eccentricity);
double radius = Kepler.GetRadius(this.semiLatusRectum, this.eccentricity, this.trueAnomalyOut);
this.posOut = Kepler.GetPosition(radius, this.trueAnomalyOut, this.argumentOfPeriapsis);
this.velOut = Kepler.GetVelocity(this.semiMajorAxis, radius, this.meanMotion, this.eccentricAnomnalyOut, this.trueAnomalyOut, this.eccentricity, this.argumentOfPeriapsis);
}
}
public static List <Orbit> CalculateOrbits(List <Orbit> orbitsIn)
{
while (orbitsIn.Count < 3)
{
Orbit orbit = orbitsIn[orbitsIn.Count - 1];
if (orbit.orbitType == Orbit.Type.Escape)
{
if (orbitsIn.Count >= 2 && orbitsIn[orbitsIn.Count - 2].orbitType == Orbit.Type.Encounter)
{
return(orbitsIn);
}
Double3 position = Kepler.GetPosition(orbit.planet.orbitData.SOI, orbit.endTrueAnomaly, orbit.argumentOfPeriapsis);
Double3 velocity = Kepler.GetVelocity(orbit.semiMajorAxis, orbit.planet.orbitData.SOI, orbit.meanMotion, Kepler.GetEccentricAnomalyFromTrueAnomaly(orbit.endTrueAnomaly, orbit.eccentricity), orbit.endTrueAnomaly, orbit.eccentricity, orbit.argumentOfPeriapsis);
Double3 posIn = position + orbit.planet.GetPosOut(orbit.orbitEndTime);
Double3 velIn = velocity + orbit.planet.GetVelOut(orbit.orbitEndTime);
if (double.IsNaN(posIn.x * velIn.y - posIn.y * velIn.x))
{
return(orbitsIn);
}
orbitsIn.Add(new Orbit(posIn, velIn, orbit.orbitEndTime, orbit.nextPlanet, orbit.planet));
}
else
{
if (orbit.orbitType != Orbit.Type.Encounter)
{
return(orbitsIn);
}
if (orbitsIn.Count >= 2 && orbitsIn[orbitsIn.Count - 2].planet == orbit.nextPlanet)
{
return(orbitsIn);
}
double eccentricAnomalyFromTrueAnomaly = Kepler.GetEccentricAnomalyFromTrueAnomaly(orbit.endTrueAnomaly, orbit.eccentricity);
double radius = Kepler.GetRadius(orbit.semiLatusRectum, orbit.eccentricity, orbit.endTrueAnomaly);
Double3 position2 = Kepler.GetPosition(radius, orbit.endTrueAnomaly, orbit.argumentOfPeriapsis);
Double3 velocity2 = Kepler.GetVelocity(orbit.semiMajorAxis, radius, orbit.meanMotion, eccentricAnomalyFromTrueAnomaly, orbit.endTrueAnomaly, orbit.eccentricity, orbit.argumentOfPeriapsis);
Double3 posIn2 = position2 - orbit.nextPlanet.GetPosOut(orbit.orbitEndTime);
Double3 velIn2 = velocity2 - orbit.nextPlanet.GetVelOut(orbit.orbitEndTime);
if (double.IsNaN(posIn2.x * velIn2.y - posIn2.y * velIn2.x))
{
return(orbitsIn);
}
orbitsIn.Add(new Orbit(posIn2, velIn2, orbit.orbitEndTime, orbit.nextPlanet, null));
}
}
return(orbitsIn);
}
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;
}
}
private static void GenerateMeshOrbitTW(ref MeshFilter meshFilterOrbit, ref bool show, float ejectionAngle, Orbit orbit)
{
for (int i = 0; i < 2; i++)
{
double num = Math.Abs(Kepler.GetRadius(Kepler.GetSemiLatusRectum(orbit.periapsis, orbit.eccentricity), orbit.eccentricity, (double)(ejectionAngle + (float)i * 0.2f * (float)Math.Sign(orbit.meanMotion)) - orbit.argumentOfPeriapsis));
if (num > orbit.planet.orbitData.SOI || num > orbit.periapsis * 1.35)
{
return;
}
}
Vector3[] array = new Vector3[42];
for (int j = 0; j < 21; j++)
{
float num2 = ejectionAngle + (float)j * 0.01f * (float)Math.Sign(orbit.meanMotion);
array[j * 2] = new Vector3(Mathf.Cos(num2), Mathf.Sin(num2), 0f) * (float)(Kepler.GetRadius(Kepler.GetSemiLatusRectum(orbit.periapsis, orbit.eccentricity), orbit.eccentricity, (double)num2 - orbit.argumentOfPeriapsis) / 10000.0);
array[j * 2 + 1] = array[j * 2] * 0.915f;
}
meshFilterOrbit.mesh.vertices = array;
meshFilterOrbit.mesh.RecalculateNormals();
meshFilterOrbit.mesh.RecalculateBounds();
show = true;
}
private bool GenerateLocalTransferWindowMarker(float ejectionAngle, Orbit orbit)
{
for (int i = 0; i < 2; i++)
{
double num = Math.Abs(Kepler.GetRadius(Kepler.GetSemiLatusRectum(orbit.periapsis, orbit.eccentricity), orbit.eccentricity, (double)(ejectionAngle + (float)i * 0.2f * (float)Math.Sign(orbit.meanMotion)) - orbit.argumentOfPeriapsis));
if (num > orbit.planet.orbitData.SOI || num > orbit.periapsis * 1.2)
{
return(false);
}
}
Vector3[] array = new Vector3[42];
for (int j = 0; j < 21; j++)
{
float num2 = ejectionAngle + (float)j * 0.01f * (float)Math.Sign(orbit.meanMotion);
array[j * 2] = new Vector3(Mathf.Cos(num2), Mathf.Sin(num2), 0f) * (float)(Kepler.GetRadius(Kepler.GetSemiLatusRectum(orbit.periapsis, orbit.eccentricity), orbit.eccentricity, (double)num2 - orbit.argumentOfPeriapsis) / 10000.0);
array[j * 2 + 1] = array[j * 2] * 0.915f;
}
this.transferWindow.localMarkerMesh.mesh.vertices = array;
this.transferWindow.localMarkerMesh.mesh.RecalculateNormals();
this.transferWindow.localMarkerMesh.mesh.RecalculateBounds();
return(true);
}
private bool CalculateClosestApproach(Orbit orbit, CelestialBodyData targetingPlanet)
{
double num = double.PositiveInfinity;
Double3 @double = Double3.zero;
Double3 a = Double3.zero;
bool flag = false;
if (orbit.planet != targetingPlanet)
{
List <double> list = new List <double>();
if (orbit.periapsis < targetingPlanet.orbitData.orbitHeightM && orbit.apoapsis > targetingPlanet.orbitData.orbitHeightM)
{
double trueAnomalyAtRadius = Kepler.GetTrueAnomalyAtRadius(targetingPlanet.orbitData.orbitHeightM, orbit.semiLatusRectum, orbit.eccentricity);
list.Add(trueAnomalyAtRadius);
list.Add(-trueAnomalyAtRadius);
}
else
{
if (!orbit.CanPasSOI(targetingPlanet.orbitData.orbitHeightM, targetingPlanet.mapData.showClosestApproachDistance))
{
return(false);
}
if (orbit.apoapsis < targetingPlanet.orbitData.orbitHeightM)
{
list.Add(3.1415927410125732);
}
else
{
list.Add(0.0);
}
}
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 double2 = (!(orbit.planet != targetingPlanet)) ? Double3.zero : targetingPlanet.GetPosOut(nextTrueAnomalyPassageTime);
double sqrMagnitude2d = (position - double2).sqrMagnitude2d;
if (sqrMagnitude2d < num)
{
num = sqrMagnitude2d;
@double = position;
a = double2;
flag = true;
}
}
}
}
else
{
@double = Kepler.GetPosition(orbit.periapsis, 0.0, orbit.argumentOfPeriapsis);
flag = true;
}
if (!flag)
{
return(false);
}
Transform transform = (!(orbit.planet != targetingPlanet)) ? targetingPlanet.mapRefs.holder : targetingPlanet.parentBody.mapRefs.holder;
if (this.transferWindow.closestApproachMarker.transform.parent != transform)
{
this.transferWindow.closestApproachMarker.transform.parent = transform;
}
this.transferWindow.closestApproachMarker.transform.localPosition = (@double / 10000.0).toVector3;
Double3 double3 = (a - @double) / 10000.0;
this.transferWindow.closestApproachMarker.SetPosition(1, double3.toVector3);
this.transferWindow.closestApproachMarker.sharedMaterial.mainTextureScale = new Vector2(Mathf.Max(1.6f, (float)(double3.magnitude2d / -(float)this.mapPosition.z * 80.0) + 0.6f), 1f);
return(true);
}