| Box2D 2.4.1
    A 2D physics engine for games | 
#include <b2_world_callbacks.h>
| Public Member Functions | |
| virtual void | SayGoodbye (b2Joint *joint)=0 | 
| virtual void | SayGoodbye (b2Fixture *fixture)=0 | 
Joints and fixtures are destroyed when their associated body is destroyed. Implement this listener so that you may nullify references to these joints and shapes.
| 
 | pure virtual | 
Called when any fixture is about to be destroyed due to the destruction of its parent body.
| 
 | pure virtual | 
Called when any joint is about to be destroyed due to the destruction of one of its attached bodies.