def __init__(self):
self.groups = all_sprites, mobs
pg.sprite.Sprite.__init__(self, self.groups)
self.behaviors = MOB_BEHAVIORS
self.image = pg.Surface((MOB_SIZE, MOB_SIZE))
self.image.fill(YELLOW)
self.rect = self.image.get_rect()
self.pos = vec(randint(0, WIDTH), randint(0, HEIGHT))
self.vel = vec(self.behaviors['max_speed'], 0).rotate(uniform(0, 360))
self.acc = vec(0, 0)
self.rect.center = self.pos
self.steering = SteeringManager(self)
