def __init__(self, ref, thruster_keys, r, distx, disty):
Attachment.__init__(self, ref, r, distx, disty)
self.sprite = pil_process(os.path.join("images", "thrust.png"))
self.sprite_r = self.sprite.get_width()/2
self.sprite_scaling = 1.5
self.thruster_keys = thruster_keys
self.repr = "Thruster"
self.dist = self.dist+self.r*self.sprite_scaling
