def visualize(self):
    pygame.init()
    main_surface = pygame.display.set_mode((1024, 768))

    while True:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                break
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_SPACE:
                    break
                pygame.display.flip()
    pygame.quit()