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