關於python物件導向初探範例程式碼

這篇文章詳解關於python物件導向初探範例程式碼

import randomclass Sprite:    step = [-2,+2,-3,+3]    def __init__(self,gm,point=None):        self.gm = gm        if point is None:            self.point = random.randint(0,20)        else:            self.point = point    def jump(self):        astep = random.choice(Sprite.step)        if 0 <= self.point + astep <= 20:            self.point += astepclass Ant(Sprite):    def __init__(self,gm,point=None):        super().__init__(gm,point)        self.gm.set_point('ant',self.point)    def jump(self):        super().jump()        self.gm.set_point('ant',self.point)class Worm(Sprite):    def __init__(self,gm,point=None):        super().__init__(gm,point)        self.gm.set_point('worm',self.point)    def  jump(self):        super().jump()        self.gm.set_point('worm',self.point)class GameMap:    def __init__(self):        self.ant_point = None        self.worm_point = None    def catched(self):        print('ant:',self.ant_point,'worm:',self.worm_point)        if self.ant_point is not None and self.worm_point is not None and self.ant_point == self.worm_point:            return True    def set_point(self,src,point):        if src == 'ant':            self.ant_point = point        if src == 'worm':            self.worm_point = pointif __name__ == '__main__':    gm = GameMap()    worm = Worm(gm)    ant = Ant(gm)    while not gm.catched():        worm.jump()        ant.jump()

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