lua.wetgenes.chipmunk.shape.surface_velocity
vx,vy=shape:surface_velocity()
vx,vy=shape:surface_velocity(vx,vy)
Get and/or Set the surface velocity for this shape.
vx,vy=shape:surface_velocity()
vx,vy=shape:surface_velocity(vx,vy)
Get and/or Set the surface velocity for this shape.