python pygame做成的第一個真的意義上的遊戲!

#-*- coding:utf-8 -*-import  pygame , sysfrom pygame.locals import *class Myballclass(pygame.sprite.Sprite):    def __init__(self,image_file,speed,location):        pygame.sprite.Sprite.__init__(self)        self.image = pygame.image.load(image_file)        self.rect = self.image.get_rect()        self.rect.left, self.rect.top = location        self.speed = speed    def move(self):        self.rect = self.rect.move(self.speed)        if self.rect.left < 0 or self.rect.right > screen.get_width():            self.speed[0] = -self.speed[0]        if self.rect.top <= 0 :            self.speed[1] = -self.speed[1]            def over(self):        self.rect=self.rect.move(self.speed)        if self.rect.bottom>screen.get_height():            font =pygame.font.SysFont("宋體",40)            text_surface=font.render(u"GAME OVER",True,(0,0,255))            screen.blit(text_surface,(320,240))            return 0              class Mypaddleclass(pygame.sprite.Sprite):    def __init__(self, location):        pygame.sprite.Sprite.__init__(self)        image_surface = pygame.surface.Surface([100, 20])        #控制藍色標籤的大小        image_surface.fill([213,213,123])        #控制顏色        self.image = image_surface.convert()        self.rect = self.image.get_rect()        self.rect.left, self.rect.top = locationpygame.init()screen = pygame.display.set_mode([1280,960])background=pygame.image.load("6.jpg").convert()clock = pygame.time.Clock()ball_speed = [4, -4]score=0#控制移方向的,參數為正時並且越大的移動越快t#最後一個參數控製圖像初始位置的myball = Myballclass('5.png', ball_speed, [10,50])ballgroup = pygame.sprite.Group(myball)paddle = Mypaddleclass([270,400])#控制藍色標籤的初始位置time=20while True:    for event in pygame.event.get():        if event.type == pygame.QUIT:            sys.exit()        elif event.type == pygame.MOUSEMOTION:            paddle.rect.centerx = event.pos[0]    if pygame.sprite.spritecollide(paddle, ballgroup, 0):        myball.speed[1] = -myball.speed[1]        time=time+1        score=score+10     clock.tick(time)    screen.fill([255,255,255])    font =pygame.font.SysFont("宋體",40)    text_surface=font.render(u'分數'+str(score),True,(0,0,255))    screen.blit(text_surface,(32,24))        #open()參數的用法a+連續寫入不覆蓋,r+寫入最後一個,w+寫入的內容全覆蓋    scorefile=open('a.txt','r+')    for a in scorefile.readline(10):        text_surface1=font.render(u'最高記錄   '+str(a),True,(0,0,255))            screen.blit(text_surface1,(320,24))        print "woqu"        print a        print "nima"        print score        if (a<score):            print a            print a*a            print score            scorefile.flush()            scorefile.writelines(str(score))        scorefile.close()    myball.move()    myball.over()    screen.blit(myball.image, myball.rect)    screen.blit(paddle.image, paddle.rect)    pygame.display.flip()

這個是一個接物遊戲!接到之後速度不斷變快,直到接不住為止