def addCube(self):
tail = self.body[-1]
if tail.moving_right():
newTail = Cube((tail.position[0]-1, tail.position[1]), self.color)
elif tail.moving_left():
newTail = Cube((tail.position[0]+1, tail.position[1]), self.color)
elif tail.moving_down():
newTail = Cube((tail.position[0], tail.position[1]-1), self.color)
elif tail.moving_up():
newTail = Cube((tail.position[0], tail.position[1]+1), self.color)
newTail.dirnx = tail.dirnx
newTail.dirny = tail.dirny
self.body.append(newTail)
