Pygame class 生成矩形然后消失，我如何让它留下来？

Question

所以我正在尝试为基本游戏实现 class。它在没有 class 的情况下醒来，但现在不是生成“硬币”，而是弹出然后立即消失。不知道，因为它在主循环中。我有一个移动的“播放器”，效果很好。

这是我的代码：

class Coin_Class:
    def __init__(self):
        coin_1 = pygame.Rect(425, 30, 40, 40)
        pygame.draw.rect(WIN, YELLOW, coin_1)
        pygame.display.update()

 # def coin_collect():
 #        if player.colliderect():
 #            coin_1.x = random.randint(0, 800)
 #            coin_1.y = random.randint(0, 250)
 #            pygame.event.post(pygame.event.Event(coin_collected))
 #            global score
 #            score += 1
 #            print(score)

coin_class = Coin_Class()

# main function loop
def main():
    score_check = 0
    clock = pygame.time.Clock()
    run = True
    while run:
        # game speed
        clock.tick(FPS)
        # initialise pygame
        pygame.init()
        # checking all the events in pygame and looping them
        for event in pygame.event.get():
            # checking quit function is pressed
            if event.type == pygame.QUIT:
                run = False
                pygame.quit()
                exit()
        keys_pressed = pygame.key.get_pressed() # recognise key presses
        player_movement(keys_pressed, player) # movement function
        draw_window() # create window function
        coin_class
    main()

# runs the main file
if __name__ == "__main__":
    main()

Answer 1

为硬币添加抽取方法 class（每个 PEP 8 的 class 名称应该在 CapitalCase 而不是 Capital_Snake_Case 中，所以 CoinClass）：

class Coin_Class:
    def __init__(self):
        self.coin_1 = pygame.Rect(425, 30, 40, 40)

    ...

    def draw(self):
        pygame.draw.rect(WIN, YELLOW, self.coin_1)

并在循环中而不是使用

coin_class

您现在将使用

coin_class.draw()

其余的可以保持不变，除了从循环中删除 pygame.init() 并将其放在导入后代码开头的某个地方

Pygame class 生成矩形然后消失，我如何让它留下来？

Pygame class spawns rect and then it dissapears, how do I get it to stay?

python

pygame