public void init(World world)
{
this.world = world;
foreach (Region r in world.Regions)
{
regionItems.Add(r, new HashSet<PositionedObject>());
}
}
public PositionedObject(World world, Position position)
{
this.position = position;
id = Guid.NewGuid();
//InterestManager.Instance.Register(this);
}