def METHOD_NAME(self, dt):
    if not self.box:
        return
    force = LVector3(0, 0, 0)
    torque = LVector3(0, 0, 0)
    if inputState.isSet('forward'): force.y = 1.0
    if inputState.isSet('reverse'): force.y = -1.0
    if inputState.isSet('left'): force.x = -1.0
    if inputState.isSet('right'): force.x = 1.0
    if inputState.isSet('turnLeft'): torque.z = 1.0
    if inputState.isSet('turnRight'): torque.z = -1.0
    force *= 30.0
    torque *= 10.0
    self.box.set_active(True)
    self.box.apply_central_force(force)
    self.box.apply_torque(torque)