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 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);
}