十三、坦克大战

#类
import pygame,time, random
from pygame.sprite import Sprite
SCREEN_WIDTH =800
SCREEN_HEIGHT =600
TEXT_COLOR = (0, 0, 0)
BG_COLOR =pygame.Color(255, 0, 0)
class BaseItem(Sprite):
    def __init__(self, color, width, height):
        # Call the parent class (Sprite) constructor
        pygame.sprite.Sprite.__init__(self)
class MainGame():
      window = None
      my_tank = None
      enemyTankList = []
      enemyTankCount = 5
      myBulletList = []
      emeryBulletList =[]
      explodeList = []
      wallList = []
      def __init__(self):
          pass
      #开始游戏
      def startGame(self):
         # 加载主窗口
            pygame.display.init()
         # 显示窗口大小,并且显示
            MainGame.window = pygame.display.set_mode([SCREEN_WIDTH, SCREEN_HEIGHT]) #返回一个窗口对象，surface对象
         # 创建我方坦克
            self.createMytank()
            self.createEmeryTank()
            self.createWall()
            pygame.display.set_caption('坦克大战')
            while True:
                time.sleep(0.02)
                MainGame.window.fill(BG_COLOR)
                self.getEvent()
                self.biltcreateWall()
                #左上角显示
                MainGame.window.blit(self.getTextSuface('Esc重生，espace射击，↑↓← →进行移动，当前坦克数量%d' %len(MainGame.enemyTankList)), (10, 10))
                # 显示我方坦克
                if MainGame.my_tank and MainGame.my_tank.live:
                    MainGame.my_tank.displayTank()
                else:
                    del MainGame.my_tank
                    MainGame.my_tank = None
                #显示我方子弹
                self.CreateBullet()
                # 显示敌方坦克
                self.blitEmeryTank()
                # 展示敌方坦克子弹列表
                self.blitEmeryBulletList()
                # 坦克移动
                self.blitexplodeList()
                if MainGame.my_tank and MainGame.my_tank.live:
                    if not MainGame.my_tank.stop:
                        MainGame.my_tank.moveTank()
                        MainGame.my_tank.bitWall()
                        MainGame.my_tank.mytank_hit_emerytank()
                pygame.display.update()
      def blitEmeryTank(self):
          for emerytank in MainGame.enemyTankList:
              if emerytank.live:
                  emerytank.displayTank()
                  emerytank.randMove()
                  emerytank.bitWall()
                  emerybullet = emerytank.shot()
                  if MainGame.my_tank and MainGame.my_tank.live:
                        emerytank.emery_hit_mytank()
                  if emerybullet:
                      MainGame.emeryBulletList.append(emerybullet)
              else:
                  MainGame.enemyTankList.remove(emerytank)

      def blitEmeryBulletList(self):
          for emeryBullet in MainGame.emeryBulletList:
              if emeryBullet.live:
                  emeryBullet.disployBullet()
                  emeryBullet.moveBullet()
                  emeryBullet.emeryBullet_hit_myTank()
                  emeryBullet.BullethitWall()
              else:
                  MainGame.emeryBulletList.remove(emeryBullet)

      def CreateBullet(self):
          for myBullet in MainGame.myBulletList:
              if myBullet.live:
                 myBullet.disployBullet()
                 myBullet.moveBullet()
                 myBullet.myBullet_hit_emeryTank()
                 myBullet.BullethitWall()
              else:
                  self.myBulletList.remove(myBullet)
      def blitexplodeList(self):
          for explode in MainGame.explodeList:
              if explode.live:
                  explode.displayExplode()
              else:
                  MainGame.explodeList.remove(explode)

      def createMytank(self):
          MainGame.my_tank = myTank(SCREEN_WIDTH/2, SCREEN_HEIGHT/2)
          music = Music("img/start.wav")
          music.play()
      #初始化敌方坦克，添加到列表中
      def createEmeryTank(self):
          top = random.randint(50, SCREEN_HEIGHT-100)
          for i in range(MainGame.enemyTankCount):
              left = random.randint(0, SCREEN_WIDTH-100)
              speed = random.randint(1, 4)
              enemy = EmeryTank(left, top, speed)
              MainGame.enemyTankList.append(enemy)

      def createWall(self):
          top = 200
          for i in range(6):
              wall = Wall(142*i,top)
              MainGame.wallList.append(wall)
      def biltcreateWall(self):
          for wall in MainGame.wallList:
              if wall.live:
                 wall.disployWall()
              else:
                  MainGame.wallList.remove(wall)
      #结束游戏
      def endGame(self):
          print("你好呀，再见")
          exit()
      #左上角文字描述
      def getTextSuface(self,text):
          #初始化字体模块
          pygame.font.init()
          #查看所有字体
          #print(pygame.font.get_fonts())
          #获取字体类型对象
          font=pygame.font.SysFont('kaiti', 18)
          #绘制文字信息
          sextSurFace=font.render(text, True, TEXT_COLOR)
          return sextSurFace

      #添加事件，点击关闭，关闭窗口；按下键盘的时候，判断键盘按下的是什么键
      def getEvent(self):
          #获取所有事件
          eventList = pygame.event.get()
          #遍历事件
          for event in eventList:
            #判断按下的键是关闭还是键盘按下
            if event.type == pygame.QUIT:
                 self.endGame()
            #如果是键盘的按键
            if event.type == pygame.KEYDOWN:
                if not MainGame.my_tank:
                    if event.key == pygame.K_ESCAPE:
                        self.createMytank()
                if MainGame.my_tank and MainGame.my_tank.live:
                    if event.key == pygame.K_LEFT:
                        MainGame.my_tank.direction = 'L'
                        self.my_tank.stop = False
                        #  MainGame.my_tank.moveTank()
                        print('按下左键，坦克向左移动')
                    elif event.key == pygame.K_RIGHT:
                        MainGame.my_tank.direction = 'R'
                        self.my_tank.stop = False
                        #   MainGame.my_tank.moveTank()
                        print('按下右键，坦克向右移动')
                    elif event.key == pygame.K_UP:
                        MainGame.my_tank.direction = 'U'
                        self.my_tank.stop = False
                        #    MainGame.my_tank.moveTank()
                        print('按下上键，坦克向上移动')
                    elif event.key == pygame.K_DOWN:
                        MainGame.my_tank.direction = 'D'
                        self.my_tank.stop = False
                        #    MainGame.my_tank.moveTank()
                        print('按下下键，坦克向下移动')
                    elif event.key == pygame.K_SPACE:
                        if len(self.myBulletList) < 3:
                            print('发射子弹')
                            myBullet = Bullet(MainGame.my_tank)
                            self.myBulletList.append(myBullet)
                            music = Music("img/fire.wav")
                            music.play()


            if event.type == pygame.KEYUP:
                if event.key == pygame.K_UP or event.key == pygame.K_DOWN or event.key == pygame.K_RIGHT or event.key == pygame.K_LEFT:
                    if MainGame.my_tank and MainGame.my_tank.live:
                        self.my_tank.stop = True


class Tank(BaseItem):
      def __init__(self, left, top):
          self.images = {
              'U': pygame.image.load('img/p1tankU.gif'),
              'R': pygame.image.load('img/p1tankR.gif'),
              'L': pygame.image.load('img/p1tankL.gif'),
              'D': pygame.image.load('img/p1tankD.gif')
              }
          #方向
          self.direction = 'L'
          #根据当前图片的方向，获取图片
          self.image = self.images[self.direction]
          #获取图片的区域
          self.rect = self.image.get_rect()
          #设置区域的left,top
          self.rect.left = left
          self.rect.top = top
          #速度
          self.speed = 5
          # 移动开关
          self.stop = True
          # 增加坦克存活开关
          self.live = True
          #增加原来的坐标
          self.oldleft = self.rect.left
          self.oldtop = self.rect.top
      #移动
      def moveTank(self):
          self.oldtop = self.rect.top
          self.oldleft = self.rect.left
          if self.direction == 'U' and self.rect.top>0:
              self.rect.top -= self.speed
          elif self.direction == 'L'and self.rect.left>0:
              self.rect.left -=self.speed
          elif self.direction ==  'R'and self.rect.left+self.rect.height<SCREEN_WIDTH:
              self.rect.left +=self.speed
          elif self.direction == 'D'and self.rect.top+self.rect.height<SCREEN_HEIGHT:
              self.rect.top += self.speed
      #射击
      def shot(self):
            return Bullet(self)
      def bitWall(self):
          for wall in MainGame.wallList:
              if pygame.sprite.collide_rect(self, wall):
                  self.stay()
      def stay(self):
          self.rect.left = self.oldleft
          self.rect.top = self.oldtop
      #显示
      def displayTank(self):
          # 获取展示的对象
          self.image = self.images[self.direction]
          # 调用blit方法展示
          MainGame.window.blit(self.image, self.rect)
class myTank(Tank):
      def __init__(self,left,top):
          super(myTank, self).__init__(left,top)
      def  mytank_hit_emerytank(self):
          for emery in MainGame.enemyTankList:
              if pygame.sprite.collide_rect(self,emery):
                   self.stay()

class EmeryTank(Tank):

    def __init__(self, left, top, speed):
        super(EmeryTank, self).__init__(left,top)
        # 加载图片集
        self.images = {
            'U': pygame.image.load('img/enemy1U.gif'),
            'D': pygame.image.load('img/enemy1D.gif'),
            'L': pygame.image.load('img/enemy1L.gif'),
            'R': pygame.image.load('img/enemy1R.gif')
        }
        #坦克的方向
        self.direction = self.directionRandom()
        #敌方坦克的图片
        self.image = self.images[self.direction]
        #获取区域
        self.rect = self.image.get_rect()
        #设置坦克的区域
        self.rect.left = left
        self.rect.top = top
        #速度
        self.speed = speed
        #移动开关
        self.stop = True
        self.step = 60

    def directionRandom(self):
          randomNum = random.randint(1, 4)
          if randomNum == 1:
              return 'U'
          elif randomNum == 2:
              return  'L'
          elif randomNum == 3:
              return  'R'
          elif randomNum == 4:
              return  'D'
    def randMove(self):
          if self.step <=0:
              self.direction = self.directionRandom()
              self.step = 60
          else:
              self.moveTank()
              self.step -= 1

    def shot(self):
        n = random.randint(1, 100)
        if n < 5:
            return  Bullet(self)
    def emery_hit_mytank(self):
        if pygame.sprite.collide_rect(self,MainGame.my_tank):
            self.stay()

class Wall():
      def __init__(self,left,top):
          self.image = pygame.image.load("img/steels.gif")
          self.rect = self.image.get_rect()
          self.rect.left = left
          self.rect.top = top
          self.live = True
          #续命时间
          self.hg =3
      #展示墙壁
      def disployWall(self):
          MainGame.window.blit(self.image, self.rect)

class Bullet(BaseItem):
      def __init__(self, tank):
          self.image = pygame.image.load('img/enemymissile.gif')
          self.direction = tank.direction
          #子弹的区域
          self.rect = self.image.get_rect()
          #子弹的top left
          if self.direction == 'U':
              self.rect.left = tank.rect.left + tank.rect.width / 2 - self.rect.width / 2
              self.rect.top = tank.rect.top - self.rect.height
          elif self.direction == 'D':
              self.rect.left = tank.rect.left + tank.rect.width / 2 - self.rect.width / 2
              self.rect.top = tank.rect.top + tank.rect.height
          elif self.direction == 'L':
              self.rect.left = tank.rect.left - self.rect.width / 2 - self.rect.width / 2
              self.rect.top = tank.rect.top + tank.rect.width / 2 - self.rect.width / 2
          elif self.direction == 'R':
              self.rect.left = tank.rect.left + tank.rect.width
              self.rect.top = tank.rect.top + tank.rect.width / 2 - self.rect.width / 2
          self.speed = 6
          #子弹展示的开关
          self.live = True
      #子弹移动
      def moveBullet(self):
          if self.direction == 'U':
              if self.rect.top >0:
                  self.rect.top -= self.speed
              else:
                  self.live = False
          elif self.direction == 'D':
              if  self.rect.top + self.rect.width < SCREEN_HEIGHT:
                  self.rect.top +=self.speed
              else:
                  self.live = False
          elif self.direction == 'L':
              if  self.rect.left>0:
                  self.rect.left -=self.speed
              else:
                  self.live = False
          elif  self.direction == 'R':
              if  self.rect.left +self.rect.width <SCREEN_WIDTH:
                  self.rect.left +=self.speed
              else:
                  self.live = False
      #展示子弹
      def disployBullet(self):
          # 将图片surface加载到窗口
          MainGame.window.blit(self.image, self.rect)
      def myBullet_hit_emeryTank(self):
          for emerytank in MainGame.enemyTankList:
             if pygame.sprite.collide_rect(emerytank, self):
                 emerytank.live = False
                 self.live = False
                 explode = Explode(emerytank)
                 MainGame.explodeList.append(explode)
      def emeryBullet_hit_myTank(self):
          if MainGame.my_tank and MainGame.my_tank.live:
             if pygame.sprite.collide_rect(MainGame.my_tank, self):
                  MainGame.my_tank.live = False
                  self.live = False
                  explode = Explode(MainGame.my_tank)
                  MainGame.explodeList.append(explode)
      def BullethitWall(self):
          for wall in MainGame.wallList:
              if pygame.sprite.collide_rect(wall, self):
                  self.live = False
                  wall.hg -= 1
                  if wall.hg < 0:
                     wall.live = False
                     music = Music("img/hit.wav")
                     music.play()
class Explode():
      def __init__(self,Tank):
          self.rect = Tank.rect
          self.images = [
              pygame.image.load("img/blast0.gif"),
              pygame.image.load("img/blast1.gif"),
              pygame.image.load("img/blast2.gif"),
              pygame.image.load("img/blast3.gif"),
              pygame.image.load("img/blast4.gif"),
           ]
          self.step = 0
       #   self.image = self.images[self.step]
          #判断是否活着
          self.live = True
      #展示爆炸效果
      def displayExplode(self):
          if self.step < len(self.images):
              self.image = self.images[self.step]
              self.step += 1
              MainGame.window.blit(self.image, self.rect)
          else:
              self.live = False
              self.step = 0
class Music():
      def __init__(self, filename):
          self.filename = filename
          pygame.mixer.init()
          pygame.mixer.music.load(self.filename)
      #播放方法
      def play(self):
          pygame.mixer.music.play()

if __name__ =='__main__':
    MainGame().startGame()