asteroid invasion.py 文件源码

def showscreen():   
    BG()
    draw_text(screen, "asteroid invasion", 50, WIDTH / 2, HEIGHT / 4)
    draw_text(screen, "left and right arrow to move", 20,WIDTH / 2, HEIGHT / 2-12.5)
    draw_text(screen, "press space to shoot", 20,WIDTH / 2, HEIGHT / 2-50)
    draw_text(screen, "if red bar turns green ", 20,WIDTH / 2, HEIGHT / 2+22)
    draw_text(screen, "press arrow up to use sonicshot", 20,WIDTH / 2, HEIGHT / 2+44)
    draw_text(screen,'highscore: '+str(highscore),18,WIDTH/2,400)
    draw_text(screen, "Press up arrow to start", 18, WIDTH / 2, HEIGHT * 3 / 4)
    pygame.display.flip()
    waiting = True
    while waiting:
        clock.tick(FPS)
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                exit()
                pygame.exit()
            if event.type == pygame.KEYUP:
                if event.key == pygame.K_UP:
                    waiting = False