'Moves mushroom along the x, y axes.'

def adjust_mushroom_position(self, mushroom):

    if (mushroom.state != c.REVEAL):
        mushroom.rect.x += mushroom.x_vel
        self.check_mushroom_x_collisions(mushroom)
        mushroom.rect.y += mushroom.y_vel
        self.check_mushroom_y_collisions(mushroom)
        self.delete_if_off_screen(mushroom)
