def update(self, speed):
Prey.move(self)
Prey.wall_bounce(self)
if random() <= .3:
speed_mult,rad_mult = uniform(-.5,.5),uniform(-.5,.5)
while self._speed + speed_mult > 3 and self._speed + speed_mult < 7:
self._speed += speed_mult
self._angle += rad_mult
def update(self, speed):
Prey.move(self)
Prey.wall_bounce(self)