|  | Box2D
    2.3.0
    A 2D Physics Engine for Games | 
| Public Attributes | |
| b2VelocityConstraintPoint | points [b2_maxManifoldPoints] | 
| b2Vec2 | normal | 
| b2Mat22 | normalMass | 
| b2Mat22 | K | 
| int32 | indexA | 
| int32 | indexB | 
| float32 | invMassA | 
| float32 | invMassB | 
| float32 | invIA | 
| float32 | invIB | 
| float32 | friction | 
| float32 | restitution | 
| float32 | tangentSpeed | 
| int32 | pointCount | 
| int32 | contactIndex | 
 1.8.17
 1.8.17