我尝试过并且没有使用转义按钮创建菜单切换，因为看起来python解释器进入while循环并且无法跟踪切换代码，因为它卡在while循环中（这是打开菜单时，我想要达到的目的是必要的。是否有一个特定的模块或方法可以帮助我克服这个问题？
编辑：
这是代码的简化版本：
import sys
import pygame
import os
from pygame.constants import RESIZABLE
from win32api import GetSystemMetrics
background = ([0, 0, 0])
screen = pygame.display.set_mode([600, 600], RESIZABLE)
startup_ended = False
startup_alpha = 1024
player_image = pygame.image.load('resources/game/entities/Player.png')
close_image = pygame.image.load('resources/game/Banner/MouseUp_Close.png')
menu_image = pygame.image.load('resources/game/Menu/Base.png')
BannerExtension_width = 1280
menu_on = False
menu_feedback = False
menu_override = False
player_xpos = 610
player_ypos = 482
player_left = 0
player_right = 0
speed = 0.75
resume_image = pygame.image.load('resources/game/Menu/MouseUp_Resume.png')
quick_save_image = pygame.image.load('resources/game/Menu/MouseUp_QuickSave.png')
save_image = pygame.image.load('resources/game/Menu/MouseUp_Save.png')
options_image = pygame.image.load('resources/game/Menu/MouseUp_Options.png')
return_to_start_screen_image = pygame.image.load('resources/game/Menu/MouseUp_ReturnToStartScreen.png')
class Game():
def __init__(self):
print 'initiated...'
pygame.init()
screen.fill(background)
def run(self):
pygame.init()
def startup():
global background
global startup_ended
logo = pygame.image.load('resources/startup/Logo.png')
logo.set_alpha(startup_alpha)
pygame.display.set_caption('Loading...')
screen.blit(logo, [10, 10])
pygame.display.flip()
pygame.time.delay(1250)
background = ([50, 50, 50])
pygame.draw.rect(screen, background, [10, 10, 385, 322], 1)
screen.fill(background)
pygame.display.flip()
pygame.time.delay(1000)
pygame.display.set_caption('Rydlle')
pygame.display.set_icon(logo)
startup_ended = True
def game():
global screen, background
global menu_feedback, resume_image,close_image
os.environ['SDL_VIDEO_WINDOW_POS'] = "%d,%d" % (0, 0)
screen = pygame.display.set_mode([GetSystemMetrics(0), GetSystemMetrics(1)])
background = ([150, 150, 150])
screen.fill(background)
pygame.display.flip()
class Player(pygame.sprite.Sprite):
def __init__(self):
self.rect = player_image.get_rect()
self.rect.topleft = [player_xpos, player_ypos]
self.rect.width = 100
self.rect.height = 100
pygame.sprite.Sprite.__init__(self)
class Close(pygame.sprite.Sprite):
def __init__(self):
self.rect = close_image.get_rect()
self.rect.topleft = [(GetSystemMetrics(0)) - 50, 0]
self.rect.width = 50
self.rect.height = 50
pygame.sprite.Sprite.__init__(self)
class Base(pygame.sprite.Sprite):
def __init__(self):
self.rect = menu_image.get_rect()
self.rect.topleft = [(GetSystemMetrics(0)/8), (GetSystemMetrics(1)/8)]
self.rect.width = (GetSystemMetrics(0))/3
self.rect.height = (GetSystemMetrics(1))/3
menu_image.set_alpha(256)
pygame.sprite.Sprite.__init__(self)
class Resume(pygame.sprite.Sprite):
def __init__(self):
self.rect = resume_image.get_rect()
self.rect.topleft = [280, 200]
self.rect.width = 400
self.rect.height = 96
pygame.sprite.Sprite.__init__(self)
screen.blit(player_image, [610, 482])
screen.blit(close_image, [1230, 0])
pygame.display.flip()
timer_event = pygame.USEREVENT + 1
pygame.time.set_timer(timer_event, 1)
while startup_ended:
for event in pygame.event.get():
global player_xpos, player_ypos, player_left, player_right, player_up, player_down, speed
global menu_on
pygame.event.pump()
if event.type == pygame.QUIT:
sys.exit()
close_i = Close()
if close_i.rect.collidepoint(pygame.mouse.get_pos()):
close_image = pygame.image.load('resources/game/Banner/MouseOver_Close.png')
screen.blit(close_image, [1230, 0])
pygame.display.flip()
if event.type == pygame.MOUSEBUTTONDOWN:
close_image = pygame.image.load('resources/game/Banner/MouseDown_Close.png')
screen.blit(close_image, [1230, 0])
pygame.display.flip()
pygame.time.wait(100)
sys.exit()
else:
close_image = pygame.image.load('resources/game/Banner/MouseUp_Close.png')
screen.blit(close_image, [1230, 0])
pygame.display.flip()
if menu_on:
resume_i = Resume()
screen.blit(resume_image, [280, 200])
pygame.display.flip()
if resume_i.rect.collidepoint(pygame.mouse.get_pos()):
resume_image = pygame.image.load('resources/game/Menu/buttons/MouseOver_Resume.png')
screen.blit(resume_image, [280, 200])
pygame.display.flip()
if event.type == pygame.MOUSEBUTTONDOWN:
resume_image = pygame.image.load('resources/game/Menu/buttons/MouseDown_Resume.png')
screen.blit(resume_image, [280, 200])
pygame.display.flip()
pygame.draw.rect(screen, background, [0, 0, GetSystemMetrics(0), GetSystemMetrics(1)], 0)
menu_on = False
else:
resume_image = pygame.image.load('resources/game/Menu/buttons/MouseUp_Resume.png')
screen.blit(resume_image, [280, 200])
screen.blit(quick_save_image, [280, 332])
screen.blit(save_image, [280, 464])
screen.blit(options_image, [280, 596])
screen.blit(return_to_start_screen_image, [280, 728])
pygame.display.flip()
else:
if event.type == pygame.KEYUP:
global direction_override, menu_override
if event.key == pygame.K_LEFT and (left_override or right_override or up_override or
down_override):
left_override = False
up_override = False
right_override = False
down_override = False
if event.key == pygame.K_RIGHT and (left_override or right_override or up_override or
down_override):
left_override = False
up_override = False
right_override = False
down_override = False
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
pygame.draw.rect(screen, background, [player_xpos, player_ypos, 50, 50], 0)
player_left = True
player_right = False
screen.blit(player_image, [player_xpos, player_ypos])
pygame.display.flip()
if event.key == pygame.K_RIGHT:
pygame.draw.rect(screen, background, [player_xpos, player_ypos, 50, 50], 0)
player_right = True
player_left = False
screen.blit(player_image, [player_xpos, player_ypos])
pygame.display.flip()
if event.key == pygame.K_SPACE:
pygame.draw.rect(screen, background, [player_xpos, player_ypos, 50, 50], 0)
player_down = False
player_up = False
player_right = False
player_left = False
screen.blit(player_image, [player_xpos, player_ypos])
pygame.display.flip()
if event.key == pygame.K_ESCAPE:
print 'menu_on'
if menu_on:
menu_override = True
menu_on = False
if event.type == timer_event:
screen.blit(close_image, [1230, 0])
pygame.display.flip()
if player_left:
pygame.draw.rect(screen, background, [player_xpos, player_ypos, 50, 50], 0)
player_xpos -= speed
screen.blit(player_image, [player_xpos, player_ypos])
pygame.display.flip()
if player_right:
pygame.draw.rect(screen, background, [player_xpos, player_ypos, 50, 50], 0)
player_xpos += speed
screen.blit(player_image, [player_xpos, player_ypos])
pygame.display.flip()
startup()
if startup_ended:
game()
Game().run()