Remove virtual world from memory
delete method removes from memory the virtual world associated
vrworld object. The virtual world must be closed before you can
Deleting a virtual world frees the virtual world from memory and invalidates all
vrworld objects associated with the virtual world.
vrworld_object is a vector of
all associated virtual worlds are deleted.
You do not commonly use this method. One of the possible reasons to use this method is to ensure that a large virtual world is removed from memory before another memory-consuming operation starts.