public void Add(IEnumerable <IPlanet> planetsToAdd)
{
foreach (var planet in planetsToAdd)
{
if (centralStar == planet)
{
continue;
}
if (this.Planets.Contains(planet))
{
continue;
}
planet.SimulatedEntity.Velocity = OrbitalMath.GetVelocityForCircularOrbitAtRadius(
planet.SimulatedEntity.Position - centralStar.SimulatedEntity.Position,
centralStar.SimulatedEntity.Mass);
solver.AddEntity(planet.SimulatedEntity);
this.Planets.Add(planet);
}
}