（英語不是我的第一語言，所以請原諒任何錯誤。）（謝謝大家?。。┊斘尹c擊按鈕“1”時，BE01 將出現，但如果我不點擊，scene01Img 將返回。我嘗試在 def BE01(): 中使用 gameExit = true，但它不起作用。pygame.init()clock = pygame.time.Clock()def button(msg,x,y,w,h,ic,ac,action=None): mouse = pygame.mouse.get_pos() click = pygame.mouse.get_pressed() if x+w > mouse[0] > x and y+h > mouse[1] > y: pygame.draw.rect(gameDisplay, ac,(x,y,w,h)) if click[0] == 1 and action != None: action() else: pygame.draw.rect(gameDisplay, ic,(x,y,w,h)) smallText = pygame.font.SysFont("comicsansms",20) textSurf, textRect = text_objects(msg, smallText) textRect.center = ( (x+(w/2)), (y+(h/2)) ) gameDisplay.blit(textSurf, textRect)def BE01(): gameDisplay.fill(white) gameDisplay.blit(BE01Img,(0,0)) button("BACK",350,450,100,50,black,gray,game_intro)def game_intro(): intro = True while intro: for event in pygame.event.get(): if event.type == pygame.QUIT: pygame.quit() quit() gameDisplay.fill(white) gameDisplay.blit(introImg,(0,0)) button("START",350,450,100,50,black,gray,game_loop) pygame.display.update() clock.tick(15) def quitgame(): pygame.quit() quit() def game_loop(): gameExit = False while not gameExit: for event in pygame.event.get(): if event.type == pygame.QUIT: pygame.quit() quit() gameDisplay.fill(white) gameDisplay.blit(scene01Img,(0,0)) button("1",200,450,100,50,black,gray,BE01) pygame.display.update() clock.tick(60)game_intro()game_loop()pygame.quit()quit()單擊“1”按鈕后，BE01 將出現并運行另一個程序，scene01 不應出現。
1 回答
慕姐8265434
TA貢獻1813條經驗 獲得超2個贊
每個場景都應該有自己的loop，當你按下按鈕時，你應該去新的loop。
如果您想在一個循環中更改元素，則將舊元素放入某個函數（即draw_intro），并將新元素放入其他函數（即draw_other） - 在開始時draw_intro在循環中使用，當您按下按鈕時，將此函數替換為draw_other
在 Python 中，您可以將函數名稱（不帶()）分配給變量
show = print
然后使用此名稱（使用()）
show("Hello World")
你可以用draw_intro,做同樣的事情draw_other。
在游戲循環內（之前while）您可以設置
global draw
draw = draw_intro
并在里面使用它 while
draw()
當您按下按鈕時，它應該替換功能
draw = draw_other
這是完整的工作代碼 - 我只刪除了所有代碼blit(image)以便在沒有圖像的情況下輕松運行它。
import pygame
black = (0,0,0)
white = (255,255,255)
gray = (128,128,128)
red = (255,0,0)
pygame.init()
gameDisplay = pygame.display.set_mode( (800,600))
clock = pygame.time.Clock()
def button(msg,x,y,w,h,ic,ac,action=None):
mouse = pygame.mouse.get_pos()
click = pygame.mouse.get_pressed()
if x+w > mouse[0] > x and y+h > mouse[1] > y:
pygame.draw.rect(gameDisplay, ac, (x,y,w,h))
if click[0] == 1 and action != None:
action()
else:
pygame.draw.rect(gameDisplay, ic, (x,y,w,h))
smallText = pygame.font.SysFont("comicsansms",20)
textSurf = smallText.render(msg, True, red)
textRect = textSurf.get_rect()
textRect.center = ( (x+(w/2)), (y+(h/2)) )
gameDisplay.blit(textSurf, textRect)
def change_draw(new_draw):
global draw
draw = new_draw
def draw_BE01():
gameDisplay.fill(white)
#gameDisplay.blit(BE01Img,(0,0))
button("BACK",350,450,100,50,black,gray,lambda:change_draw(draw_intro))
def draw_intro():
gameDisplay.fill(white)
#gameDisplay.blit(introImg,(0,0))
button("START",350,450,100,50,black,gray,lambda:change_draw(draw_other))
def draw_other():
gameDisplay.fill(white)
#gameDisplay.blit(scene01Img,(0,0))
button("1",200,450,100,50,black,gray,lambda:change_draw(draw_BE01))
def quitgame():
pygame.quit()
quit()
def game_loop():
global draw
draw = draw_intro
gameExit = False
while not gameExit:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
quit()
draw()
pygame.display.update()
clock.tick(60)
game_loop()
pygame.quit()
quit()
編輯：
如果您之前沒有使用lamda過，那么您可以不使用它，lambda但是您將需要change_draw_to_intro, change_draw_to_other,change_draw_to_BE01而不是單個change_draw
import pygame
black = (0,0,0)
white = (255,255,255)
gray = (128,128,128)
red = (255,0,0)
pygame.init()
gameDisplay = pygame.display.set_mode( (800,600))
clock = pygame.time.Clock()
def button(msg,x,y,w,h,ic,ac,action=None):
mouse = pygame.mouse.get_pos()
click = pygame.mouse.get_pressed()
if x+w > mouse[0] > x and y+h > mouse[1] > y:
pygame.draw.rect(gameDisplay, ac, (x,y,w,h))
if click[0] == 1 and action != None:
action()
else:
pygame.draw.rect(gameDisplay, ic, (x,y,w,h))
smallText = pygame.font.SysFont("comicsansms",20)
textSurf = smallText.render(msg, True, red)
textRect = textSurf.get_rect()
textRect.center = ( (x+(w/2)), (y+(h/2)) )
gameDisplay.blit(textSurf, textRect)
def change_draw_to_intro():
global draw
draw = draw_intro
def change_draw_to_other():
global draw
draw = draw_other
def change_draw_to_BE01():
global draw
draw = draw_BE01
def draw_BE01():
gameDisplay.fill(white)
#gameDisplay.blit(BE01Img,(0,0))
button("BACK",350,450,100,50,black,gray,change_draw_to_intro)
def draw_intro():
gameDisplay.fill(white)
#gameDisplay.blit(introImg,(0,0))
button("START",350,450,100,50,black,gray,change_draw_to_other)
def draw_other():
gameDisplay.fill(white)
#gameDisplay.blit(scene01Img,(0,0))
button("1",200,450,100,50,black,gray,change_draw_to_BE01)
def quitgame():
pygame.quit()
quit()
def game_loop():
global draw
draw = draw_intro
gameExit = False
while not gameExit:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
quit()
draw()
pygame.display.update()
clock.tick(60)
game_loop()
pygame.quit()
quit()
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