Example #1
0
 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);
 }
Example #2
0
 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);
     }
 }
Example #3
0
    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);
    }