public Orbit(Double3 posIn, Double3 velIn, double timeIn, CelestialBodyData planet, CelestialBodyData lastPlanet)
{
this.planet = planet;
this.timeIn = timeIn;
double mass = planet.mass;
Double3 b = Double3.Cross2d(posIn, velIn);
Double3 @double = Double3.Cross(velIn, b) / mass - posIn.normalized2d;
this.eccentricity = @double.magnitude2d;
this.argumentOfPeriapsis = Math.Atan2(@double.y, @double.x);
this.semiMajorAxis = -mass / (2.0 * (Math.Pow(velIn.magnitude2d, 2.0) / 2.0 - mass / posIn.magnitude2d));
this.periapsis = this.semiMajorAxis * (1.0 - this.eccentricity);
this.apoapsis = ((this.eccentricity >= 1.0) ? double.PositiveInfinity : (this.semiMajorAxis * (1.0 + this.eccentricity)));
this.semiLatusRectum = Kepler.GetSemiLatusRectum(this.periapsis, this.eccentricity);
this._period = Kepler.GetPeriod(this.eccentricity, this.semiMajorAxis, mass);
this.meanMotion = Kepler.GetMeanMotion(this._period, this.eccentricity, mass, this.semiMajorAxis) * (double)Math.Sign(b.z);
double trueAnomalyAtRadius = Kepler.GetTrueAnomalyAtRadius(posIn.magnitude2d, this.semiLatusRectum, this.eccentricity);
double num = Kepler.GetMeanAnomaly(this.eccentricity, trueAnomalyAtRadius, posIn, this.argumentOfPeriapsis) / this.meanMotion;
if (this.apoapsis > planet.orbitData.SOI || this.eccentricity >= 1.0)
{
this._period = 0.0;
}
this.periapsisPassageTime = timeIn + num - this._period * 10.0;
this.GetOrbitType(timeIn, lastPlanet);
this.stopTimeWarpTime = this.GetStopTimeWarpTime();
}
private static void UpdateLocalTransferWindowMarker(ref bool show, ref MeshFilter meshFilterOrbit, double ejectionOrbitHeight, Orbit orbit, TransferWindow.Data transferWindow)
{
if (transferWindow.departure.type == CelestialBodyData.Type.Star || (transferWindow.transferType == TransferWindow.TransferType.ToNeighbour && transferWindow.departure != transferWindow.firstNeighbour))
{
return;
}
if (transferWindow.transferType == TransferWindow.TransferType.ToNeighbour || transferWindow.transferType == TransferWindow.TransferType.ToParent)
{
CelestialBodyData celestialBodyData = (transferWindow.transferType != TransferWindow.TransferType.ToNeighbour) ? transferWindow.departure : transferWindow.firstNeighbour;
double orbitHeightM = celestialBodyData.orbitData.orbitHeightM;
double num = (transferWindow.transferType != TransferWindow.TransferType.ToNeighbour) ? (transferWindow.target.radius + transferWindow.target.atmosphereData.atmosphereHeightM) : transferWindow.secondNeighbour.orbitData.orbitHeightM;
double num2 = Math.Min(num, orbitHeightM);
double num3 = (orbitHeightM + num) * 0.5;
double e = 1.0 - num2 / num3;
double mass = celestialBodyData.parentBody.mass;
double meanMotion = Kepler.GetMeanMotion(Kepler.GetPeriod(e, num3, mass), e, mass, num3);
bool flag = num > orbitHeightM;
double magnitude2d = Kepler.GetVelocity(num3, orbitHeightM, meanMotion, (!flag) ? 3.1415926535897931 : 0.0, (!flag) ? 3.1415926535897931 : 0.0, e, 0.0).magnitude2d;
double escapeVelocity = magnitude2d - -celestialBodyData.orbitData.orbitalVelocity;
float num4 = (float)(Kepler.GetEjectionAngle(escapeVelocity, ejectionOrbitHeight, celestialBodyData.mass, celestialBodyData.orbitData.SOI) * (double)Math.Sign(-orbit.meanMotion) + ((!flag) ? 3.1415926535897931 : 0.0));
float ejectionAngle = num4 + (float)(Ref.controller.globalTime * celestialBodyData.orbitData._meanMotion) - 1.57079637f;
TransferWindow.GenerateMeshOrbitTW(ref meshFilterOrbit, ref show, ejectionAngle, orbit);
return;
}
if (transferWindow.transferType != TransferWindow.TransferType.ToSatellite)
{
return;
}
if (ejectionOrbitHeight > transferWindow.target.orbitData.orbitHeightM * 0.75)
{
return;
}
float num5 = (float)Kepler.GetPhaseAngle(ejectionOrbitHeight, transferWindow.target.orbitData.orbitHeightM);
float ejectionAngle2 = num5 + (float)(Ref.controller.globalTime * transferWindow.target.orbitData._meanMotion);
TransferWindow.GenerateMeshOrbitTW(ref meshFilterOrbit, ref show, ejectionAngle2, orbit);
}