|  | Box2D
    2.3.0
    A 2D Physics Engine for Games | 
Contact ids to facilitate warm starting. More...
#include <b2Collision.h>
| Public Attributes | |
| b2ContactFeature | cf | 
| uint32 | key | 
| Used to quickly compare contact ids. | |
Contact ids to facilitate warm starting.
 1.8.11
 1.8.11