slither.py 文件源码

def game_intro():
    intro = True

    while intro:

        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                pygame.quit()
                quit()
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_RETURN:
                    intro = False
                if event.key == pygame.K_ESCAPE or event.key == pygame.K_q:
                    pygame.quit()
                    quit()        

        gameDisplay.fill(background)

        message_to_screen("___________", snake_color, -160, lfont)
        message_to_screen("| SLITHER |", snake_color, -95, lfont)
        message_to_screen("___________", snake_color, -80, lfont)
        message_to_screen("Eat as many apples as you can, but be careful with biting your tail!", red, 0, sfont)
        message_to_screen("Start game - [ENTER]", white,100, sfont)
        message_to_screen("Exit game - [ESC]/Q", white, 150, sfont)
        pygame.display.update()
        clock.tick(5)