Ejemplo n.º 1
0
    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);
    }
Ejemplo n.º 2
0
    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);
    }
Ejemplo n.º 3
0
    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;
        }
    }
Ejemplo n.º 4
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);
     }
 }
Ejemplo n.º 5
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);
 }
Ejemplo n.º 6
0
    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;
        }
    }
Ejemplo n.º 7
0
 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;
                 }
             }
         }
     }
 }
Ejemplo n.º 8
0
    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);
    }