An infinite 2D World. More...
Can contain a hierarchy of 2D objects, and has a view to reflect a certain part of it.
Construct a 2D World.
Destruct a 2D World.
[virtual]
this checks to make sure that any Object added to a World2D is derived from Object2D.
Returns -1 if dynamic_cast fails.
Returns the status of the object.
A non-zero value indicates an error.