怎么用python实现flappy bird游戏

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程序大概流程：1.加载图片素材文件 2.绘画开始界面，等待程序开始（按空格） 3 .程序刷新，不断while 循环（a.随机生成柱子，并移动，然后绘制 b.小鸟自下落 c.检测键盘方向按键） 4.程序结束，绘制结束界面，把分数记录到txt文件

# -*- coding: utf-8 -*-"""Created on Thu Dec 15 00:27:17 2016BY LINJUNJI SYSU 1360622136@qq.com"""import pygamefrom sys import exitimport randomfrom pygame.locals import *from pygame.font import *  from gamerole import *import osimport datetimeimport numpy as npimport operator#图片路径信息BackGround_image_path2='./sources/background/day.png'          #背景图片BackGround_image_path3='./sources/background/night.png'GetStart_image_path='./sources/guide/day/down.png'           #开始界面GameOver_image_path='./sources/other/gameover.png'Restart_image_path='./sources/other/restart.png'Grade_blackball_path='./sources/other/grade_blackball.png'white_Gold_Medal_image_path='./sources/medal/white_gold_medal.png'  #奖牌图片gold_image_path='./sources/medal/gold_medal.png'silver_medal_image_path='./sources/medal/silver_medal.png'bronze_medal_image_path='./sources/medal/bronze_medal.png'Ground_image_path='./sources/background/ground.png'         #地面图片pilar_image_up_path='./sources/pilar/up.png'                #柱子图片pilar_image_down_path='./sources/pilar/down.png'Bird_image1_path='./sources/bird/up.png'                   #小鸟图片Bird_image2_path='./sources/bird/med.png'Bird_image3_path='./sources/bird/down.png'#游戏窗体设置pygame.init()screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))pygame.display.set_caption('falppy_bird') #图片载入      background_day=pygame.image.load(BackGround_image_path2)background_night=pygame.image.load(BackGround_image_path3)ground=pygame.image.load(Ground_image_path)pilar_image_up=pygame.image.load(pilar_image_up_path)pilar_image_down=pygame.image.load(pilar_image_down_path)get_start_image=pygame.image.load(GetStart_image_path)gameover_image=pygame.image.load(GameOver_image_path)medal_blackball_image=pygame.image.load(Grade_blackball_path)restart_image=pygame.image.load(Restart_image_path)bird_images=[]bird_image_up=pygame.image.load(Bird_image1_path)bird_image_med=pygame.image.load(Bird_image2_path)bird_image_down=pygame.image.load(Bird_image3_path)bird_images.append(bird_image_up)bird_images.append(bird_image_med)bird_images.append(bird_image_down)medal_images=[]medal1=pygame.image.load(white_gold_Medal_image_path)medal2=pygame.image.load(gold_image_path)medal3=pygame.image.load(silver_medal_image_path)medal4=pygame.image.load(bronze_medal_image_path)medal_images.append(medal1)medal_images.append(medal2)medal_images.append(medal3)medal_images.append(medal4)#新建小鸟bird_pos=[190,190]  #小鸟初始位置mybird=Bird(bird_images,bird_pos)#柱子集合pilar_set = pygame.sprite.Group()#运行参数设置pilar_frequency=0  #柱子更新参数bird_frequency=0   #小鸟飞行频率clock = pygame.time.Clock()running=Falsescore=0flag=1def collide_circle(pilar, mybird):  #碰撞检测函数    if mybird.rect.right > pilar.pilar1_rect.left and mybird.rect.left < pilar.pilar1_rect.right:        if (mybird.rect.top >pilar.pilar1_rect.bottom and mybird.rect.bottom <pilar.pilar2_rect.top):            return False        else:            return True    else:        if mybird.rect.bottom > 400:            return True        else:            return False    def get_history_record(score):     #获取记录的得分    record=[]    index =0    if os.path.isfile("record.txt"):      #存在：获取记录到的内容          f=open("record.txt")        line=f.readline()        line=f.readline()        while line !="":            record.append([int(line.strip().split(",")[0]),line.strip().split(",")[1]])            line=f.readline()        f.close()    record.append([score,str(datetime.datetime.now())])    record.sort(key=operator.itemgetter(0),reverse=True)    print record    while len(record)>10:        record.pop()    file_writer = open("record.txt", 'w')    file_writer.writelines("time"+","+"grade"+"\n")    for i in range(len(record)):        file_writer.writelines(str(record[i][0])+","+str(record[i][1])+"\n")        if int(record[i][0]) == int(score):            index=i    file_writer.close()    if index >3:        index=3    return record[0][0],index        while not running:    clock.tick(60)       screen.fill(0)    screen.blit(get_start_image, (0, 0))     pygame.display.update()    x, y=pygame.mouse.get_pos()       for event in pygame.event.get():        if event.type ==pygame.QUIT:            pygame.quit()            exit()        elif event.type == pygame.MOUSEBUTTONDOWN:            if y<380 and y>300 and x>180 and x <210:                running=True    while True:    clock.tick(60)       pilar_frequency +=1        #生成柱子    if pilar_frequency %100==0:        pilar_pos=[384,random.randint(130, 250)]        new_pilar=Pilar(pilar_image_up, pilar_image_down, pilar_pos)        pilar_set.add(new_pilar)     if pilar_frequency >=1000:        pilar_frequency=0         flag=(-1)*flag           #移动柱子    for pilar in pilar_set:        pilar.move()        if collide_circle(pilar, mybird):  #碰撞检测代码            mybird.is_hit=True             for pilar in pilar_set:                pilar.stop()        if pilar.pilar1_rect.right <0:            pilar_set.remove(pilar)     #小鸟降落    mybird.SelfMoveDown()     # 绘制背景    screen.fill(0)            if flag==1:        screen.blit(background_day, (0, 0))     else:        screen.blit(background_night, (0, 0))    #绘制柱子    for pilar in pilar_set:        screen.blit(pilar.pilar1_image,pilar.pilar1_rect)        screen.blit(pilar.pilar2_image,pilar.pilar2_rect)    #绘制地面       screen.blit(ground,(0,384))    #绘制玩家小鸟    bird_frequency +=1       if not mybird.is_hit:  #未发生碰撞        score +=10        screen.blit(mybird.image[mybird.image_index],mybird.rect)        mybird.image_index=bird_frequency % 3     else:  #发生碰撞        running=False         mybird.SelfDiedDown()        screen.blit(mybird.image[0],mybird.rect)        has_log=False        while not running and mybird.is_downtoground:     #画面切换到结束界面                       screen.blit(gameover_image,(64,30))            screen.blit(medal_blackball_image,(42,100))            screen.blit(restart_image,(122,270))            if not has_log:                                   bestscore,index=get_history_record(score/100) #获取历史记录情况                print score/100                print bestscore,index                has_log=True            screen.blit(medal_images[index],(75,160))        #要读取之前保存的信息，            x, y=pygame.mouse.get_pos()                          #目前得分            score_font = pygame.font.Font(None, 36)            score_text = score_font.render(str(score/100), True, (255,255,255))            text_rect = score_text.get_rect()            text_rect.midtop = [290, 145]            screen.blit(score_text, text_rect)            #历史最佳得分            score_font = pygame.font.Font(None, 36)            score_text = score_font.render(str(bestscore), True, (255,255,255))            text_rect = score_text.get_rect()            text_rect.midtop = [290,200]            screen.blit(score_text, text_rect)                        for event in pygame.event.get():                if event.type ==pygame.QUIT:                    pygame.quit()                    exit()                elif event.type == pygame.MOUSEBUTTONDOWN:                    if y<360 and y>280 and x>150 and x <240:  #重新开始                        pilar_set = pygame.sprite.Group()                        mybird=Bird(bird_images,bird_pos)                        score=0                        running=True            pygame.display.update()                        # 绘制得分      score_font = pygame.font.Font(None, 36)    score_text = score_font.render(str(score/100), True, (255,255,255))    text_rect = score_text.get_rect()    text_rect.midtop = [185, 30]    screen.blit(score_text, text_rect)    #屏幕更新    pygame.display.update()    #绘制按键执行代码    key_pressed=pygame.key.get_pressed()    if not mybird.is_hit:        if key_pressed[K_w] or key_pressed[K_UP]:            mybird.moveUp()        if key_pressed[K_s] or key_pressed[K_DOWN]:            mybird.moveDown()            for event in pygame.event.get():        if event.type ==pygame.QUIT:            pygame.quit()            exit()

第二个文件，gamerole.py 定义两个类，一个是柱子类，定义柱子的生成规则和移动规则 一个是小鸟类，定义小鸟位置信息，加载图片信息以及小鸟的飞行控制

# -*- coding: utf-8 -*-"""Created on Thu Dec 15 00:27:17 2016@author: LINJUNJI """import pygameimport randomSCREEN_WIDTH =384SCREEN_HEIGHT=448INTERVEL=120         #两个障碍之间的间隔UP_LIMIT=60DOWN_LIMIT=360#小鸟类class Bird(pygame.sprite.Sprite):    def __init__(self,bird_imgs,init_pos):        pygame.sprite.Sprite.__init__(self)        self.image=bird_imgs        self.rect=self.image[0].get_rect()        self.rect.midbottom=init_pos        self.up_speed = 5        self.down_speed=2        self.selfdown_speed=2        self.image_index=0          #图片索引参数，控制小鸟飞行姿态变化        self.is_hit=False         self.is_downtoground=False        def SelfMoveDown(self):        self.rect.top += self.selfdown_speed        def SelfDiedDown(self):        self.up_speed = 0        self.down_speed=0        self.rect.bottom +=self.selfdown_speed*2        if self.rect.bottom >=400:            self.rect.bottom =400            self.is_downtoground=True            def moveUp(self):        if self.rect.top<=0:            self.rect.top=0        else:            self.rect.top -=self.up_speed                def moveDown(self):        if self.rect.top>=SCREEN_HEIGHT-self.rect.height:            self.rect.top = SCREEN_HEIGHT-self.rect.height        else:            self.rect.top += self.down_speed    '''            def moveLeft(self):        if self.rect.left <= 0:            self.rect.left = 0        else:            self.rect.left -= self.speed    def moveRight(self):        if self.rect.left >= SCREEN_WIDTH - self.rect.width:            self.rect.left = SCREEN_WIDTH - self.rect.width        else:            self.rect.left += self.speed    '''#柱子类class Pilar(pygame.sprite.Sprite):    def __init__(self,pilar_image_up,pilar_image_down,init_pos):        pygame.sprite.Sprite.__init__(self)        self.pilar1_image=pilar_image_up        self.pilar2_image=pilar_image_down        self.pilar1_rect=self.pilar1_image.get_rect()        self.pilar2_rect=self.pilar2_image.get_rect()        self.pilar1_rect.bottomleft=init_pos        self.pilar2_rect.topleft=[init_pos[0],init_pos[1]+INTERVEL]        self.horizontal_speed=2  #柱子平移的速度        self.vertical_speed=0.3    #柱子上下移动的速度        self.direction=random.randint(0,1)  #柱子上下移动的方向            def move(self):        self.pilar1_rect.left -=self.horizontal_speed   #柱子左右移动        self.pilar2_rect.left -=self.horizontal_speed        if self.direction == 1:                           #控制柱子上下移动            self.pilar1_rect.bottom +=self.vertical_speed                    self.pilar2_rect.top +=self.vertical_speed            if self.pilar2_rect.top > DOWN_LIMIT:                self.direction=0        else:            self.pilar1_rect.bottom -=self.vertical_speed                    self.pilar2_rect.top -=self.vertical_speed            if self.pilar1_rect.bottom < UP_LIMIT:                self.direction=1    def stop(self):        self.horizontal_speed=0        self.vertical_speed=0

游戏的素材图片

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