问菜单上有按钮使用游戏。

EN

import pygame, sys
from pygame import *
run = True
global newBG
newBG = False

#-------------------------------------------------------------------------------

def mainLoop():
    global win, newW, newH, newBG
    newW, newH = (960 , 508)
    win = pygame.display.set_mode ((newW, newH) , pygame.RESIZABLE)
    pygame.display.set_caption("SMC")

    backGround = 0


    while run:


        global mouse, currentScreen
        mouse = pygame.mouse.get_pos()

        currentScreen()

        while newBG:
            drawBackground()
            newBG = False

        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                pygame.quit()
                sys.exit()
            if event.type == pygame.VIDEORESIZE:
                win = pygame.display.set_mode ( (event.w, event.h) , pygame.RESIZABLE )       
                newW, newH = event.w, event.h
                drawBackground()
                uiPlate()
            if event.type == pygame.MOUSEBUTTONDOWN:
                for b in buttonList:
                    b.click()

        pygame.display.update()

#------------------------------------------------------------------------------

def mainMenu():
    global backGroundImage, buttonList, currentScreen

    backGroundImage = pygame.image.load('Background.jpg')
    ButtonPic = pygame.image.load('Button.jpg')
    ButtonHoverPic = pygame.image.load('ButtonHover.jpg')
    ButtonPressPic = pygame.image.load('ButtonPress.jpg')

    buttonList = [
    button(screenSwap, secondMenu, ButtonPic, ButtonHoverPic, ButtonPressPic, .1, .1, .1, .1),
    button('Hello', None, ButtonPic, ButtonHoverPic, ButtonPressPic, .1, .25, .1, .1),
    button('Hello to you!', None, ButtonPic, ButtonHoverPic, ButtonPressPic, .1, .50, .1, .1)
]

    for b in buttonList:
        b.drawButton()

#------------------------------------------------------------------------------

def secondMenu():
    global backGroundImage, buttonList

    backGroundImage = pygame.image.load('Button.jpg')
    ButtonPic = pygame.image.load('Background.jpg')
    ButtonHoverPic = pygame.image.load('ButtonHover.jpg')
    ButtonPressPic = pygame.image.load('ButtonPress.jpg')

    buttonList = [
    button(screenSwap, mainMenu, ButtonPic, ButtonHoverPic, ButtonPressPic, .75, .1, .1, .1),
    button('Goodbye', None, ButtonPic, ButtonHoverPic, ButtonPressPic, .75, .25, .1, .1),
    button('Goodbye to you friend!', None, ButtonPic, ButtonHoverPic, ButtonPressPic, .75, .50, .1, .1)
]

    for b in buttonList:
        b.drawButton()

#------------------------------------------------------------------------------

uiX = 0
uiY = 0
uiW = 960
uiH = 508
def uiPlate():
    global uiW, uiH, uiX, uiY
    uiW = (int(newW))
    uiH = (int(uiW*0.5296875))
    if uiH > newH:
        uiH = int(newH)
        uiW = (int(uiH/0.5296875))
    uiX = (int((newW - uiW)/2))
    uiY = (int((newH - uiH)/2))
##    pygame.draw.rect(win, (100, 255, 100,), (uiX, uiY, uiW, uiH))
##    print(uiW, uiH, uiX, uiY)

#------------------------------------------------------------------------------

def drawBackground():
    global backGround
    backGround = pygame.transform.scale(backGroundImage, (newW, newH))
    win.blit((backGround), (0,0))

#------------------------------------------------------------------------------

class button:
    global uiX, uiY, uiW, uiH
    def __init__(self, action, actionProps, ButtonPic, ButtonHoverPic, ButtonPressPic,  x, y, w, h):
        self.ButtonPic = ButtonPic
        self.ButtonHoverPic = ButtonHoverPic
        self.ButtonPressPic = ButtonPressPic

        self.bx = int(uiX + (x * uiW))
        self.by = int(uiY + (y * uiH))
        self.bw = int(w * uiW)
        self.bh = int(h * uiH)

        self.action = action
        self.actionProps = actionProps

    def drawButton(self):
        click = pygame.mouse.get_pressed()

        ButtonPic = pygame.transform.scale(self.ButtonPic, (self.bw, self.bh))
        ButtonHoverPic = pygame.transform.scale(self.ButtonHoverPic, (self.bw, self.bh))
        ButtonPressPic = pygame.transform.scale(self.ButtonPressPic, (self.bw, self.bh))

        win.blit(ButtonPic, (self.bx, self.by))
        if ((self.bx < mouse[0] < (self.bx + self.bw)) and (self.by < mouse[1] < (self.by + self.bh))):
            win.blit(ButtonHoverPic, (self.bx, self.by))
            if click[0]:
                win.blit(ButtonPressPic, (self.bx, self.by))

    def click(self):
        if ((self.bx < mouse[0] < (self.bx + self.bw)) and (self.by < mouse[1] < (self.by + self.bh))):
            if self.actionProps != None:
                self.action(self.actionProps)
            else:
                print(self.action)

#------------------------------------------------------------------------------

def screenSwap(screen):
    global currentScreen, newBG
    currentScreen = screen
    newBG = True

#------------------------------------------------------------------------------
currentScreen = mainMenu
mainLoop()