python - 如何解决分配前引用的这个局部变量？

Question

我正在为 Python 中的新手制作一个简单的石头剪刀布游戏，当您的分数达到 -5 时创建了一个游戏循环后，在分配问题之前引用了一个局部变量，我不知道如何解决？

你能给我任何建议或方法来解决这个问题吗？这段代码有什么问题吗？非常感谢你帮助我

import pygame
from random import randint
pygame.init()

dis=pygame.display.set_mode((800,500))
pygame.display.set_caption('OAN TU TI')


keo_y=300
keo_x=100
bua_y=300
bua_x=350
bao_y=300
bao_x=600
computer_y=50
computer_x=350
KEOCOM=pygame.image.load('keocom.png')
BUACOM=pygame.image.load('buacom.png')
BAOCOM=pygame.image.load('baocom.png')
keo=pygame.image.load('keo.png')
bua=pygame.image.load('bua.png')
bao=pygame.image.load('bao.png')
red = (255, 0, 0)
blue = (0, 0, 255)
green = (0, 255, 0)
font=pygame.font.SysFont("san",50) 

ketqua =""
computer = ""
player =""
diem = 0
if computer == player:
    print("HOA")
    ketqua="HOA"
else:
    if player == "BAO":
        if computer == "BUA":               
            print("THANG")
            ketqua="THANG"
        else:
            print("THUA")
            ketqua="THUA"
    elif player == "BUA":
        if computer == "KEO":
            print("THANG")
            ketqua="THANG"
        else:
            print("THUA")
            ketqua="THUA"
    elif player == "KEO":
        if computer == "BAO":
            print("THANG")
            ketqua="THANG"
        else:
            print("THUA")
            ketqua="THUA" 



def gameLoop():
    game_over = False
    game_close = False


    while not game_over:
                        
        while game_close == True:
            dis.fill(white)
            message("You Lost! Press Q-Quit or C-Play Again", red)
            pygame.display.update()

            for event in pygame.event.get():
                if event.type == pygame.KEYDOWN:
                    if event.key == pygame.K_q:
                        game_over = True
                        game_close = False
                    if event.key == pygame.K_c:
                        gameLoop()

        

        for event in pygame.event.get():
            
            mouse_x, mouse_y = pygame.mouse.get_pos()
            if event.type == pygame.QUIT:
                game_over = True
            if event.type == pygame.MOUSEBUTTONDOWN:
                if 100 < mouse_x < 265 and 300 < mouse_y < 475: 
                    player = player + "KEO"
                    print (player)
                    computer = randint(0,2)
                    if computer == 0:
                        computer= "KEO"
                    if computer == 1:
                        computer= "BUA"
                    if computer == 2:
                        computer= "BAO"
                if 350 < mouse_x < 507 and 300 < mouse_y < 475: 
                    player = player + "BUA"
                    print (player)
                    computer = randint(0,2)
                    if computer == 0:
                        computer = "KEO"
                    if computer == 1:
                        computer = "BUA"
                    if computer == 2:
                        computer = "BAO"
                if 600 < mouse_x < 745 and 300 < mouse_y < 475: 
                    player = player + "BAO"
                    print (player)
                    computer = randint(0,2)
                    if computer == 0:
                        computer= "KEO"
                    if computer == 1:
                        computer= "BUA"
                    if computer == 2:
                        computer= "BAO"
                print (computer)
                

                if computer == "KEO":
                    may = KEOCOM_rect=dis.blit(KEOCOM,(computer_x,computer_y))
                elif computer == "BUA":
                    may = BUACOM_rect=dis.blit(BUACOM,(computer_x,computer_y))
                else:
                    may = BAOCOM_rect=dis.blit(BAOCOM,(computer_x,computer_y))



                if ketqua == "THANG":
                    diem = diem + 1
                elif ketqua == "HOA":
                    diem = diem + 0
                else:
                    diem = diem - 1 


        if diem == -5:
            game_close = True
        
        
    pygame.quit()
    quit()

gameLoop()

这就是问题

UnboundLocalError                         Traceback (most recent call last)
<ipython-input-19-08d74ca39527> in <module>
    143     quit()
    144 
--> 145 gameLoop()

<ipython-input-19-08d74ca39527> in gameLoop()
    136 
    137 
--> 138         if diem == -5:
    139             game_close = True
    140 

UnboundLocalError: local variable 'diem' referenced before assignment

标签： pythonpygamelocal-variables