/// <summary>
/// This asteroid was destroyed, see if it is big enough for child asteroids to spawn, and if so spawn them.
/// </summary>
/// <param name="Asteroid"></param>
internal static void SpawnSubAsteroids(Entity Asteroid, DateTime atDateTime)
{
Game game = Asteroid.Manager.Game;
MassVolumeDB ADB = Asteroid.GetDataBlob <MassVolumeDB>();
//const double massDefault = 1.5e+12; //150 B tonnes?
const double massThreshold = 1.5e+9; //150 M tonnes?
if (ADB.Mass > massThreshold)
{
//spawn new asteroids. call the asteroid factory?
double newMass = ADB.Mass * 0.4; //add a random factor into this? do we care? will mass be printed to the player?
OrbitDB origOrbit = Asteroid.GetDataBlob <OrbitDB>();
PositionDB pDB = Asteroid.GetDataBlob <PositionDB>();
EntityManager mySystem = Asteroid.Manager;
var origVel = OrbitProcessor.AbsoluteOrbitalVector(origOrbit, atDateTime);
//public static Entity CreateAsteroid(StarSystem starSys, Entity target, DateTime collisionDate, double asteroidMass = -1.0)
//I need the target entity, the collisionDate, and the starSystem. I may have starsystem from guid.
//Ok so this should create the asteroid without having to add the new asteroids to a list. as that is done in the factory.
Entity newAsteroid1 = AsteroidFactory.CreateAsteroid4(pDB.AbsolutePosition_AU, origOrbit, atDateTime, newMass);
//var newOrbit = OrbitDB.FromVector(origOrbit.Parent, )
Entity newAsteroid2 = AsteroidFactory.CreateAsteroid4(pDB.AbsolutePosition_AU, origOrbit, atDateTime, newMass);
mySystem.RemoveEntity(Asteroid);
//Randomize the number of created asteroids?
}
else
{
//delete the existing asteroid.
PositionDB pDB = Asteroid.GetDataBlob <PositionDB>();
StarSystem mySystem;
if (!game.Systems.TryGetValue(pDB.SystemGuid, out mySystem))
{
throw new GuidNotFoundException(pDB.SystemGuid);
}
mySystem.RemoveEntity(Asteroid);
}
}