项目1——飞机大战游戏

Posted 2021-02-27 txy222

1.开发环境

2.游戏框架

3.游戏流程

4游戏图片素材

网址：https://www.jianshu.com/p/0993c99f6000

5游戏所需创建：

我是把所有有关飞船的图片放在了一个图片里命名为：shoot.png

score.txt为记录分数排行榜的文本文件如图：

600， 400...为所得分数，初始设置为0

6代码

import codecs
import pygame
import random
from pygame.locals import *#pygame常量
from sys import exit
#--设置游戏屏幕大小--
screen_width=480
screen_height=600
#子弹类
class Bullet(pygame.sprite.Sprite):
    def __init__(self,bullet_img,init_pos):#加入子弹图片和发射位置
        pygame.sprite.Sprite.__init__(self)
        self.image=bullet_img
        self.rect=self.image.get_rect()
        self.rect.midbottom=init_pos#确定发射位置
        self.speed=10#子弹速度
    def move(self):
        self.rect.top-=self.speed

#飞机类创建
class Player(pygame.sprite.Sprite):
    def __init__(self,plane_img,player_rect,init_pos):#加入飞机图片，图片位置，飞机位置
        pygame.sprite.Sprite.__init__(self)#调用初始化方法
        self.image=[]
        for i in range(len(player_rect)):
            self.image.append(plane_img.subsurface(player_rect[i]).convert_alpha())
        self.rect=player_rect[0]
        self.rect.topleft=init_pos
        self.speed=8#飞机速度
        self.bullets=pygame.sprite.Group()#飞机发射的子弹类图片
        self.image_index=0
        self.is_hit=False#默认没有击中
#发射子弹
    def shoot(self ,bullet_img):
        bullet=Bullet(bullet_img,self.rect.midtop)#子弹的位置
        self.bullets.add(bullet)

    #向上
    def moveUp(self):
        if self.rect.top<=0:
            self.rect.top=0
        else:
            self.rect.top-=self.speed
    #向下
    def moveDown(self):
        if self.rect.top>=screen_height-self.rect.height:#屏幕高度-飞机高度
            self.rect.top=screen_height-self.rect.height
        else:
            self.rect.top+=self.speed
    #向左
    def moveleft(self):
        if self.rect.left<=0:
            self.rect.left=0
        else:
            self.rect.left-=self.speed
    #向右
    def moveright(self):
        if self.rect.left >= screen_width- self.rect.width:  # 屏幕宽度-飞机宽度
            self.rect.left = screen_width- self.rect.width
        else:
            self.rect.left += self.speed
#敌机创建
class Enemy(pygame.sprite.Sprite):
    def __init__(self,enemy_img,enemy_down_imgs,init_pos):#加入敌机图片，敌机销毁图片，敌机位置
        pygame.sprite.Sprite.__init__(self)#调用初始化方法
        self.image=enemy_img
        self.rect=self.image.get_rect()
        self.rect.topleft=init_pos#敌机当前位置
        self.down_imgs=enemy_down_imgs
        self.speed=2
        self.down_index=0#图片游标
    def move(self):
        self.rect.top+=self.speed
#写入文本txt
def write_txt(context, srtim, path, ):#srtim代表写入方式
    f = codecs.open(path,srtim,‘utf8‘)
    f.write(str(context))
    f.close()


#读取txt
def read_txt(path):
    with open(path,‘r‘,encoding=‘utf8‘) as f:
        lines=f.readlines()
    return lines




#初始化pygame一定把图片路径补充完整
pygame.init()
screen=pygame.display.set_mode((screen_width,screen_height))#设置窗体大小
pygame.display.set_caption(‘飞机大战‘)
ic_launcher= pygame.image.load("G:/py-学习/实战项目/飞机大战小游戏/recourse/image/ic_launcher.png").convert_alpha()#加载图片
pygame.display.set_icon(ic_launcher)#设置窗体的icon图标
#背景图片
background=pygame.image.load("G:/py-学习/实战项目/飞机大战小游戏/recourse/image/background.png")
#游戏结束图片
game_over=pygame.image.load("G:/py-学习/实战项目/飞机大战小游戏/recourse/image/game_over.jpg")
#玩家，子弹，敌机等图片
plane_img=pygame.image.load("G:/py-学习/实战项目/飞机大战小游戏/recourse/image/shoot.png")

def startGame():
    player_rect=[]
    #正常行驶飞机
    player_rect.append(pygame.Rect(0,99,100,120))#获取飞机在图片的所在位置
    player_rect.append(pygame.Rect(165, 360, 102, 126))
    #发生碰撞的飞机
    player_rect.append(pygame.Rect(165, 360, 102, 126))
    player_rect.append(pygame.Rect(330, 498, 102,126))
    player_rect.append(pygame.Rect(330, 498, 102,126))
    player_rect.append(pygame.Rect(432, 624, 102, 126))
    player_pos=[200,600]#飞机初始位置
    player=Player(plane_img,player_rect,player_pos)#创建玩家飞机类，飞机图片，图片位置，飞机位置
    #加载子弹，对子弹进行操作修饰
    bullet_rect=pygame.Rect(1005,987,10,21)
    bullet_img=plane_img.subsurface(bullet_rect)#获得子弹图片
    #敌机设置
    enemy1_rect=pygame.Rect(530,612,57,43)
    enemy1_img=plane_img.subsurface(enemy1_rect)#敌机没有被子弹射击到时图片，开始图片
    enemy1_down_ims=[]#装飞机被销毁后的图片
    enemy1_down_ims.append(plane_img.subsurface(pygame.Rect(267,347,57,43 )))
    enemy1_down_ims.append(plane_img.subsurface(pygame.Rect(873, 697, 57, 43)))
    enemy1_down_ims.append(plane_img.subsurface(pygame.Rect(267, 296, 57, 43)))
    enemy1_down_ims.append(plane_img.subsurface(pygame.Rect(930, 697, 57, 43)))
    shoot_frequency=0#对子弹进行频率设置
    enemy_frequency=0#敌机生成频率
    player_down_index=16
    score=0#碰撞分数
    clock=pygame.time.Clock()
    enemies1=pygame.sprite.Group()#敌机集合
    enemies_down=pygame.sprite.Group()#飞机销毁集合

    # 游戏主循环
    running = True
    while running:
        screen.fill(0)  # 填充颜色
        screen.blit(background, (0, 0))
        clock.tick(60)
        #生成子弹
        if not player.is_hit:
            if shoot_frequency%15==0:
                player.shoot(bullet_img)
            shoot_frequency +=1
            if shoot_frequency>=15:
                shoot_frequency=0



        for bullet in player.bullets:#生成一个子弹集合
            bullet.move()
            if bullet.rect.bottom<0:#判断子弹是否出了屏幕
                player.bullets.remove(bullet)
        player.bullets.draw(screen)#显示子弹


        #敌机显示
        if enemy_frequency%50==0:
            enemy1_pos=[random.randint(0,screen_width-enemy1_rect.width),0]#生成位置随机
            enemy1=Enemy( enemy1_img,enemy1_down_ims,enemy1_pos)#敌机初始化
            enemies1.add(enemy1)
        enemy_frequency+=1
        if enemy_frequency>=100:
            enemy_frequency=0
        for enemy in enemies1:
            enemy.move()
            if enemy.rect.top<0:#判断敌机是否溢出屏幕
                enemies1.remove()
            if pygame.sprite.collide_circle(enemy,player):#判断敌机与玩家是否相撞
                enemies_down.add(enemy)#将销毁敌机加入集合
                enemies1.remove(enemy)#消除被击毁的敌机
                player.is_hit=True
                break
        #玩家飞机
        if not player.is_hit:  # 判断飞机是否被击毁
            screen.blit(player.image[player.image_index], player.rect)
            player.image_index = shoot_frequency // 8
        else:
            player.image_index=player_down_index//8
            screen.blit(player.image[player.image_index],player.rect)#玩家飞机爆炸图
            player_down_index +=1
            if player_down_index>47:
                running = False


        enemies1_down=pygame.sprite.groupcollide(enemies1,player.bullets,1,1)#1为true，发生碰撞的元素为true销毁，为false不销毁
        for enemy_down in enemies1_down:
            enemies_down.add(enemy_down)
        for enemy_down in enemies_down:
            if  enemy_down.down_index>7:
                enemies_down.remove(enemy_down)
                score+=100
                continue
            screen.blit(enemy_down.down_imgs[enemy_down.down_index//2],enemy_down.rect)#绘制飞机爆炸图片
            enemy_down.down_index+=1
        enemies1.draw(screen)
        score_font=pygame.font.Font(None,36)
        score_text=score_font.render(str(score),True,(128,128,128))
        text_rect=score_text.get_rect()
        screen.blit(score_text,text_rect)



        #判断玩家飞机
        if not player.is_hit:#判断飞机是否被击毁
            screen.blit(player.image[player.image_index],player.rect)
            player.image_index=shoot_frequency//8
        pygame.display.update()  # 更新屏幕处理
        for event in pygame.event.get():
            if event.type == pygame.QUIT:  # 判断是否与退出游戏
                pygame.quit()
                exit()
        key_pressed = pygame.key.get_pressed()
        if key_pressed[K_w] or key_pressed[K_UP]:  # 判断w是否为向上的按键
            player.moveUp()
        if key_pressed[K_s] or key_pressed[K_DOWN]:  # 向下
            player.moveDown()
        if key_pressed[K_a] or key_pressed[K_LEFT]:  # 向左
            player.moveleft()
        if key_pressed[K_d] or key_pressed[K_RIGHT]:  # 向右
            player.moveright()

    #绘制游戏结束画面
    screen.blit(game_over,(0,0))
    font=pygame.font.Font(None,48)
    text=font.render(‘Score:‘+str(score),True,(255,0,0))#分数的文字颜色
    text_rect=text.get_rect()
    text_rect.centerx=screen.get_rect().centerx
    text_rect.centery = screen.get_rect().centery+24#文字所在位置，x，y坐标
    screen.blit(text,text_rect)
    #重新开始按钮
    xtfont=pygame.font.SysFont(‘SimHei‘,30)
    textstart =xtfont.render(‘重新开始‘,True,(255,0,0))
    text_rect = textstart.get_rect()
    text_rect.centerx = screen.get_rect().centerx
    text_rect.centery = screen.get_rect().centery +120
    screen.blit(textstart, text_rect)
    #排行榜
    textstart = xtfont.render(‘排行榜‘,True, (255, 0, 0))
    text_rect = textstart.get_rect()
    text_rect.centerx = screen.get_rect().centerx
    text_rect.centery = screen.get_rect().centery + 180
    screen.blit(textstart, text_rect)
    j=0
    #更新排行榜,获取内容
    arrayscore = read_txt(r‘score.txt‘)[0].split(‘mr‘)#[‘0‘,‘0‘,‘0‘...]
    for i in range(0,len(arrayscore)):
        #判断当前获取的分数是否大于排行榜上的分数
        if score > int(arrayscore[i]):
            j=arrayscore[i]
            arrayscore[i]=str(score)
            score=0
        if int(j)>int(arrayscore[i]):
            k=arrayscore[i]
            arrayscore[i]=str(j)
            j=k
#更新的分数写入文本
    for i in range (0,len(arrayscore)):
        if i==0:
            write_txt(arrayscore[i]+‘mr‘,‘w‘,r‘score.txt‘)
        else:
            if( i==9):
                write_txt(arrayscore[i], ‘a‘,r‘score.txt‘)
            else:
                write_txt(arrayscore[i]+‘mr‘, ‘a‘, r‘score.txt‘)

def gameRanking():
    screen2=pygame.display.set_mode((screen_width,screen_height))
    screen2.fill(0)
    screen2.blit(background,(0,0))
    xtfont = pygame.font.SysFont(‘SimHei‘, 30)
    textstart = xtfont.render(‘排行榜‘, True, (255, 0, 0))
    text_rect = textstart.get_rect()
    text_rect.centerx = screen.get_rect().centerx
    text_rect.centery = 50
    screen2.blit(textstart, text_rect)

    textstart = xtfont.render(‘重新开始‘, True, (255, 0, 0))
    text_rect = textstart.get_rect()
    text_rect.centerx = screen.get_rect().centerx
    text_rect.centery = screen.get_rect().centery+120
    screen2.blit(textstart, text_rect)

    arrayscore = read_txt(r‘score.txt‘)[0].split(‘mr‘)
    for i in range(0, len(arrayscore)):
        font=pygame.font.Font(None,48)
        k=i+1
        text=font.render(str(k)+‘‘+arrayscore[i],True,(255,0,0))
        text_rect=text.get_rect()
        text_rect.centerx=screen2.get_rect().centerx
        text_rect.centery=80+30*k
        screen2.blit(text,text_rect)


startGame()
while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:  # 判断是否与退出游戏
            pygame.quit()
            exit()
    #判断鼠标点击位置
        elif event.type==pygame.MOUSEBUTTONDOWN:
            #点击重新开始
                if screen.get_rect().centerx-70<= event.pos[0] and event.pos[0]<=screen.get_rect().centerx+50 and screen.get_rect().centery+100<= event.pos[1] and event.pos[1]<=screen.get_rect().centery+140:
                 startGame()

            #点击排行榜
                if screen.get_rect().centerx - 70 <= event.pos[0] and event.pos[0] <= screen.get_rect().centerx +50 and screen.get_rect().centery + 160 <= event.pos[1] and event.pos[1] <= screen.get_rect().centery + 200:
                 gameRanking()




    pygame.display.update()









7显示效果
游戏结束：

  游戏进行：

 

排行榜：