def move(self, direction, parent):
'''Moves the given blob in the given direction. If it is recovering
from being shot out, it moves back towards its parent'''
if self.recover:
px, py = parent.get_absolute_position()
parent_vector = (px - self.x, py-self.y)
x, y = GameObject.normalize(parent_vector)
if math.hypot(px - self.x, py - self.y) < 1.5 * parent.r:
self.recover = False
elif self.shoot:
x, y = GameObject.normalize(self.init_direction)
else:
x, y = GameObject.normalize(direction)
self.x += self.velocity() * x
self.y += self.velocity() * y
