呼叫按钮仅滴答一秒钟，无法显示文字？

debugcn 发表于 Dev

巴兹

我正在做游戏，我想当我在车库里时，如果我购买更多速度并且已经达到最高速度，则会弹出一个文本，提示“达到最高速度！”。但是，当我单击该按钮并达到最大速度时，它不会停留，而是在1滴答声后消失。由于按钮的工作方式，我无法弄清楚如何使其停留更长时间。任何帮助表示赞赏。这是按钮的代码：

            elif event.type == pygame.MOUSEBUTTONDOWN:
                # 1 is the left mouse button, 2 is middle, 3 is right.
                if event.button == 1:
                    # `event.pos` is the mouse position.
                    if button2.collidepoint(event.pos):
                        print('we been clicked')
                        current_time = time.strftime("%S")
                        # Increment the number
                        if player.vel < 20:
                            if player.coins >= 50:
                                player.vel += 5
                                player.coins -= 50
                                print('speed =' + str(player.vel))
                                player.vel1 = player.vel
                                player.grassvel = player.vel // 2
                                player.save()
                            else:
                                print("ur poor")
                        else:
                            MaxSpeedReached()

这是它调用的函数的代码：

def MaxSpeedReached():
    display_crash_text = False
    print("Max speed reached")
    if display_crash_text == False:
        start_time = time.strftime("%S")
        display_crash_text = True
    maxspeedtext = pygame.font.Font("freesansbold.ttf", 20)
    maxspedd, maxspeedr = text_objects("Max Speed  Reached!", maxspeedtext, BLACK)
    maxspeedr.center = ((205, 270))
    print(current_time, start_time)
    if display_crash_text == True:
        win.blit(maxspedd, maxspeedr)
        if int(start_time) - int(current_time) < 3:
            display_crash_text = False
            print("yo we checking the time difference")

金斯利

显然，您会看到此消息，因为MaxSpeedReached()调用时会绘制一次消息，但是到达此函数的唯一可能路径是pygame.MOUSEBUTTONDOWN事件。

每当出现最大速度的条件时，您都需要在主循环中绘制消息。

MAX_VELOCITY = 20

maxspeedtext = pygame.font.Font("freesansbold.ttf", 20)
maxspedd, maxspeedr = text_objects("Max Speed  Reached!", maxspeedtext, BLACK)
maxspeedr.center = ((205, 270))

[ ... ]

# Main loop
while not finished:

    [...]

    if ( player.vel >= MAX_VELOCITY ):
        win.blit( maxspedd, maxspeedr )

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