Method update

cpgames/core/games/alieninvasion/modules/sprites.py:117–123

(self, WIDTH)

            pygame.draw.rect(screen, self.color, rect)
    '''更新UFO位置等信息'''
    def update(self, WIDTH):
        if self.rect.x + self.rect.width < 0 or self.rect.x > WIDTH:
            self.rect.x += self.low_speed
        else:
            self.rect.x += self.high_speed
        if self.rect.x > WIDTH + 500:
            self.reset()
    '''被击中后爆炸'''
    def boom(self, screen):
        self.boomed_rect.x = self.rect.x