def __init__(self, x=0, y=0, maxrps=21):
Vec2d.__init__(self, x, y)
self._rps = 0
self.maxrps = maxrps
def __init__(self, x=0, y=-500):
Vec2d.__init__(self, x, y)
self.accDif = 0
self.lockCoef = 0
def __init__(self, x=0, y=0, angle=0):
Vec2d.__init__(self, x, y)
self._angle = angle