If a PhysicalEntity belonging to group 16 is added to a CollisionManager, but there is no CollisionSpace yet allocated for that group, an assert should be fired.
The original intend was for the CollisionManager to use BruteForceSpace by default, but this neither useful nor compliant with the ownership of CollisionSpaces (that is, CollisionManager doesn't own them).
If a PhysicalEntity belonging to group 16 is added to a CollisionManager, but there is no CollisionSpace yet allocated for that group, an assert should be fired.
The original intend was for the CollisionManager to use BruteForceSpace by default, but this neither useful nor compliant with the ownership of CollisionSpaces (that is, CollisionManager doesn't own them).