// Velocity returns the velocity of the rigid body's center of gravity. func (b Body) Velocity() Vect { return cpVect(C.cpBodyGetVel(b.c())) }
func (b *Body) GetVelocity() Vect { return Vect{C.cpBodyGetVel(b.CPBody)} }
func (b *Body) Vel() Vect { return Vect(C.cpBodyGetVel(b.body)) }