public static Mass Generate(Distance bodyDiameter, string bodyDensity)
{
Distance radius = bodyDiameter / 2;
double volume = (4 * Math.PI) / 3 * Math.Pow(radius.ToMeters().Value, 3);
double density = 0;
switch (bodyDensity)
{
case PlanetDensities.Low:
density = PerturbHelper.Change(650, 1500); // kg/m^3
break;
case PlanetDensities.Average:
density = PerturbHelper.Change(1500, 3000);
break;
case PlanetDensities.High:
density = PerturbHelper.Change(3000, 6000);
break;
}
double kgs = volume * density;
Mass mass = new Mass
{
Value = kgs,
Units = MassUnits.Kilogram
};
return(mass);
}
public static Distance Generate(IStar primaryStar, IOrbitingBody companionStar, short orbitNumberToGenerate)
{
if (companionStar.OrbitNumber >= 99)
{
return(OrbitRangeGenerator.Generate(orbitNumberToGenerate));
}
IOrbitingBody innerObject = primaryStar.InnerOrbitingBody(companionStar.OrbitNumber);
IOrbitingBody outerObject = primaryStar.OuterOrbitingBody(companionStar.OrbitNumber);
Distance min = new Distance(0.1, DistanceUnits.AstronomicalUnit);
Distance max;
Distance maxPrimary = companionStar.OrbitalDistance / 4;
if (innerObject == null &&
outerObject == null)
{
max = maxPrimary;
}
else if (innerObject == null)
{
Distance maxOuter = (outerObject.OrbitalDistance - companionStar.OrbitalDistance) / 4;
if (maxOuter > maxPrimary)
{
max = maxPrimary;
}
else
{
max = maxOuter;
}
}
else if (outerObject == null)
{
max = (companionStar.OrbitalDistance - innerObject.OrbitalDistance) / 4;
}
else
{
Distance maxInner = (companionStar.OrbitalDistance - innerObject.OrbitalDistance) / 4;
Distance maxOuter = (outerObject.OrbitalDistance - companionStar.OrbitalDistance) / 4;
if (maxInner > maxOuter)
{
max = maxOuter;
}
else
{
max = maxInner;
}
}
Distance orbitalStep = (max - min) / SystemConstants.MaxOrbits;
Distance variation = orbitalStep * .4; //So outer can't hit inner
Distance baseOrbit = orbitalStep * orbitNumberToGenerate;
return(PerturbHelper.Change(baseOrbit - variation, baseOrbit + variation));
}
public static Distance Generate(short orbitNumber)
{
double r;
switch (orbitNumber)
{
case 0: r = 0.1 + PerturbHelper.Change(0.1); break; /* 0.2 */
case 1: r = 0.3 + PerturbHelper.Change(0.1); break; /* 0.4 */
case 2: r = 0.6 + PerturbHelper.Change(0.1); break; /* 0.7 */
case 3: r = 0.8 + PerturbHelper.Change(0.2); break; /* 1.0 */
case 4: r = 1.2 + PerturbHelper.Change(0.4); break; /* 1.6 */
case 5: r = 2.0 + PerturbHelper.Change(0.8); break; /* 2.8 */
case 6: r = 3.6 + PerturbHelper.Change(1.6); break; /* 5.2 */
case 7: r = 6.8 + PerturbHelper.Change(3.2); break; /* 10.0 */
case 8: r = 13.2 + PerturbHelper.Change(6.4); break; /* 19.6 */
case 9: r = 26.0 + PerturbHelper.Change(12.8); break; /* 38.8 */
case 10: r = 51.6 + PerturbHelper.Change(25.6); break; /* 77.2 */
case 11: r = 102.8 + PerturbHelper.Change(51.2); break; /* 154.0 */
case 12: r = 205.2 + PerturbHelper.Change(102.4); break; /* 307.6 */
case 13: r = 410.0 + PerturbHelper.Change(204.8); break; /* 614.8 */
case 14: r = 819.6 + PerturbHelper.Change(409.6); break; /* 1229.2 */
case 15: r = 1638.8 + PerturbHelper.Change(819.2); break; /* 2548.0 */
case 16: r = 3277.2 + PerturbHelper.Change(1638.4); break; /* 4915.6 */
case 17: r = 6554.0 + PerturbHelper.Change(3276.8); break; /* 9830.8 */
case 18: r = 13107.6 + PerturbHelper.Change(6553.6); break; /* 19661.2 */
case 19: r = 26214.8 + PerturbHelper.Change(13107.2); break; /* 39322.0 */
default:
throw new Exception("Unexpected orbit");
}
Distance output = new Distance
{
Value = r,
Units = DistanceUnits.AstronomicalUnit
};
return(output);
}
public static Distance Generate()
{
Distance min = new Distance()
{
Units = DistanceUnits.LightYear,
Value = 0.5
};
Distance max = new Distance()
{
Units = DistanceUnits.LightYear,
Value = 1.5
};
return(PerturbHelper.Change(min, max));
}
public static Distance Generate(string occupiedType, int size)
{
double planetDiameter = 0;
if (occupiedType.Equals(OccupiedTypes.GasGiant))
{
switch (size)
{
case -1:
planetDiameter = 20000 + PerturbHelper.Change(20000);
break;
case -2:
planetDiameter = 60000 + PerturbHelper.Change(100000);
break;
}
}
else if (occupiedType.Equals(OccupiedTypes.CapturedPlanet) ||
occupiedType.Equals(OccupiedTypes.World))
{
switch (size)
{
case 0:
planetDiameter = 200 + PerturbHelper.Change(300);
break;
case 1:
planetDiameter = 800 + PerturbHelper.Change(800);
break;
case 2:
planetDiameter = 2400 + PerturbHelper.Change(1600);
break;
case 3:
planetDiameter = 4000 + PerturbHelper.Change(800);
break;
case 4:
planetDiameter = 5600 + PerturbHelper.Change(800);
break;
case 5:
planetDiameter = 7200 + PerturbHelper.Change(800);
break;
case 6:
planetDiameter = 8800 + PerturbHelper.Change(800);
break;
case 7:
planetDiameter = 10400 + PerturbHelper.Change(800);
break;
case 8:
planetDiameter = 12000 + PerturbHelper.Change(800);
break;
case 9:
planetDiameter = 13600 + PerturbHelper.Change(800);
break;
case 10:
planetDiameter = 15200 + PerturbHelper.Change(800);
break;
}
}
Distance distance = new Distance {
Value = planetDiameter, Units = DistanceUnits.Kilometer
};
return(distance);
}