如何更改我的代码以使其显示在屏幕上？

Question

def victory_screen():
  while True:
    for event in pygame.event.get():
      if event.type == pygame.QUIT:
        quit_game()

    screen.fill(WHITE)
    largeText = pygame.font.Font(None,50)
    screen.blit(largeText.render("Congratulations!",True,BLUE),(135,40))
    largeText = pygame.font.Font(None,35)
    screen.blit(largeText.render("You have completed the game!", True, BLUE), (205,90))
    button("Try Beat me again", 130, 250, 150, 60, RED, GREEN, menu)
    button("Quit", 130, 250, 150, 60, RED, GREEN, quit_game)

    pygame.display.update()
    pygame.display.flip()
    clock.tick(frame_rate)

def instructions_screen():
  while True:
    for event in pygame.event.get():
      if event.type == pygame.QUIT:
        quit_game()

    screen.fill(WHITE)

    largeText = pygame.font.Font(None,50)
    smallText = pygame.font.Font(None, 35)

    screen.blit(largeText.render("Instructions", True, BLUE), (181, 50))
    screen.blit(smallText.render("Goal of the game: Reach to 7 points first", True, BLACK), (148, 150))
    screen.blit(smallText.render("How to move: Upper arrow - up", True, BLACK), (148, 210))
    screen.blit(smallText.render("Lower arrow - down", True, BLACK), (429, 250))

    button("Play", 240, 250, 150, 60, GREEN, BLACK, menu)

    pygame.display.flip()
    clock.tick(60)

def front_page():
  next_screen = None

  def start_game():
    nonlocal next_screen
    next_screen = menu

    while True:
      for event in pygame.event.get():
        if event.type == pygame.QUIT:
          quit_game()

      if next_screen is not None:
        return next_screen

    screen.fill(WHITE)

    screen.blit(image1, (0,0))

    largeText = pygame.font.Font(None, 65)
    screen.blit(largeText.render("Wizard mania", True, BLUE),(240,50))

    button("Start", 225, 200, 150, 60, GREEN, BLACK, start_game)
    button("Quit", 225,250, 150, 60, GREEN, BLACK, quit_game)

    button("Controls", 225, 300, 150, 60, GREEN, BLACK, instructions_screen)

    pygame.display.flip()
    clock.tick(frame_rate)

def menu():
  vel = 4

  ply1 = pygame.Rect(40, 45, 30, 30)
  keys = pygame.key.get_pressed()
  
  scoreA = 0
  scoreB = 0
  

  lefthandwalls = [
      LeftHandwall(0, 545, 10, 5)
  ]
  righthandwalls = [
      RightHandwall(0, 545, 10, 5)
    ]

  while True:
    for event in pygame.event.get():
      if event.type == pygame.QUIT:
        quit_game

    keys = pygame.key.get_pressed()

    if keys[pygame.K_UP] and ply1.y > 0:
      ply1.y -= vel
    if keys[pygame.K_DOWN] and ply1.y < 600 - ply1.height:
      ply1.y += vel

    for lefthandwalls in LeftHandwall:
      if ply1.colliderect(lefthandwalls):
        scoreB = scoreB + 1
        print(scoreB)

      if ply1.colliderect(righthandwalls):
        scoreA = scoreA + 1
        print(scoreA)

      if scoreA == 7:
        print("You have won the game")
        victory_screen

      screen.fill(WHITE)

      for lefthandwalls in LeftHandwall:
        pygame.draw.rect(screen, BLACK, lefthandwalls)

      for righthandwalls in RightHandwall:
        pygame.draw.rect(screen, BLACK, righthandwalls)

      pygame.display.flip()
      clock.tick(60)

def main():
  scene = front_page
  while scene is not None:
    scene = scene()

main()
pygame.quit()
        
    

我正在为我的计算机科学项目在 pygame 中编写一个乒乓球游戏。我预计游戏将从首页开始，当按下“开始”时，它会进入游戏，或者当按下“控制”时，会显示教程，最后按下“退出”时，它会关闭游戏。但是，我只看到黑屏

Answer 1

您必须调用front_page函数：

场景= front_page

scene = front_page()