public Bag <Entity> GetEntities(Aspect aspect)
{
var entitiesBag = new Bag <Entity>();
for (int index = 0; index < ActiveEntities.Count; ++index)
{
var entity = ActiveEntities.Get(index);
if (entity != null && aspect.Interests(entity))
{
entitiesBag.Add(entity);
}
}
return(entitiesBag);
}
public bool IsActive(int entityId)
{
return(ActiveEntities.Get(entityId) != null);
}
public Entity GetEntity(int entityId)
{
Debug.Assert(entityId >= 0, "Id must be at least 0.");
return(ActiveEntities.Get(entityId));
}