|  | Box2D
    2.3.0
    A 2D Physics Engine for Games | 
| Public Attributes | |
| b2Vec2 * | vertices | 
| int32 | count | 
| float32 * | masses | 
| b2Vec2 | gravity | 
| float32 | damping | 
| float32 | k2 | 
| Stretching stiffness. | |
| float32 | k3 | 
| Bending stiffness. Values above 0.5 can make the simulation blow up. | |
 1.8.11
 1.8.11