学习 Python 之 Pygame 开发坦克大战（二）

坦克大战的需求

坦克大战游戏包含很多个物体，现在要对这些物体进行总结

类名	包含的操作	包含的属性
敌方坦克类	射击，移动，显示	生命，速度，伤害，方向，类型
我方坦克类	射击，移动，显示	生命，速度，伤害，方向，装甲，等级
子弹类	移动，显示	方向，伤害，发射源，速度
墙壁类、草类、石砖类、河类	显示	是否可以摧毁
音效类	播放，停止，设置音乐	-
爆炸效果类	显示	是否可以摧毁
主类	…	…

物体总结完毕后，规划一下窗口的大小，下面是我设置的窗口大小

素材链接：百度网盘
链接：https://pan.baidu.com/s/19sCyH7rp37f6DzRj0iXDCA?pwd=tkdz
提取码：tkdz

开始编写坦克大战

一切都准备就绪啦，现在开始编写坦克大战的代码吧

1. 搭建主类框架

主类是整个游戏运作的类，当然你也可以不用使用类，直接创建一个函数也可以，这里使用了面向对象的思想

import pygameSCREEN_WIDTH = 1100
SCREEN_HEIGHT = 600
BACKGROUND_COLOR = pygame.Color(0, 0, 0)
FONT_COLOR = (255, 255, 255)
class MainGame:# 窗口Surface对象window = Nonedef __init__(self):passdef startGame(self):# 初始化展示模块pygame.display.init()# 设置窗口大小size = (SCREEN_WIDTH, SCREEN_HEIGHT)# 初始化窗口MainGame.window = pygame.display.set_mode(size)# 设置窗口标题pygame.display.set_caption('Tank Battle')while 1:# 设置背景颜色MainGame.window.fill(BACKGROUND_COLOR)# 更新窗口pygame.display.update()if __name__ == '__main__':MainGame().startGame()

运行结果

主类中运用到的知识，都是学习 Python 之 Pygame 开发坦克大战（一）中所包含的

2. 获取窗口中的事件

坦克大战关键是对玩家自己的坦克进行操控，消灭敌人的坦克，所以键盘事件响应是必不可少的

def getPlayingModeEvent(self):# 获取所有事件eventList = pygame.event.get()for event in eventList:if event.type == pygame.QUIT:sys.exit()if event.type == pygame.KEYDOWN:print('键盘按键按下')if event.key == pygame.K_w:print('w按下')elif event.key == pygame.K_s:print('s按下')elif event.key == pygame.K_a:print('a按下')elif event.key == pygame.K_d:print('d按下')elif event.key == pygame.K_j:print('j按下')if event.type == pygame.KEYUP:print('键盘按键抬起')if event.key == pygame.K_w:print('w抬起')elif event.key == pygame.K_s:print('s抬起')elif event.key == pygame.K_a:print('a抬起')elif event.key == pygame.K_d:print('d抬起')

获取窗口中的事件，用于玩家操控坦克、发射坦克子弹等操作

游戏中，我规定aswd操控坦克，j攻击，当然你也可以上下左右键移动，空格攻击，如果你想设置双人游戏，这也是可以的

import pygame
import sysSCREEN_WIDTH = 1100
SCREEN_HEIGHT = 600
BACKGROUND_COLOR = pygame.Color(0, 0, 0)
FONT_COLOR = (255, 255, 255)
class MainGame:# 窗口Surface对象window = Nonedef __init__(self):passdef startGame(self):# 初始化展示模块pygame.display.init()# 设置窗口大小size = (SCREEN_WIDTH, SCREEN_HEIGHT)# 初始化窗口MainGame.window = pygame.display.set_mode(size)# 设置窗口标题pygame.display.set_caption('Tank Battle')while 1:# 设置背景颜色MainGame.window.fill(BACKGROUND_COLOR)# 获取窗口事件self.getPlayingModeEvent()# 更新窗口pygame.display.update()def getPlayingModeEvent(self):# 获取所有事件eventList = pygame.event.get()for event in eventList:if event.type == pygame.QUIT:sys.exit()if event.type == pygame.KEYDOWN:print('键盘按键按下')if event.key == pygame.K_w:print('w按下')elif event.key == pygame.K_s:print('s按下')elif event.key == pygame.K_a:print('a按下')elif event.key == pygame.K_d:print('d按下')elif event.key == pygame.K_j:print('j按下')if event.type == pygame.KEYUP:print('键盘按键抬起')if event.key == pygame.K_w:print('w抬起')elif event.key == pygame.K_s:print('s抬起')elif event.key == pygame.K_a:print('a抬起')elif event.key == pygame.K_d:print('d抬起')if __name__ == '__main__':MainGame().startGame()

3. 创建基类

坦克操控事件完成后，现在就是实现坦克啦，首先场景中的物体都需要发生物体间的碰撞，简单来说就是检测两个屏幕上的图片是否发生了重叠，如果发生了，就要触发一些事件，这里创建ParentObject类，用于继承pygame.sprite.Sprite类

pygame.sprite.Sprite类可以用来检测物体碰撞，是pygame提供的一个类，非常的方便

import pygame.spriteclass ParentObject(pygame.sprite.Sprite):def __init__(self):super().__init__()

4. 初始化我方坦克类

创建我方坦克类，并且继承基类

import pygame as pg
import pygame.image
from ParentObject import ParentObjectclass PlayerTank(ParentObject):def __init__(self, x, y, order, amour):""":param x: 坦克横坐标:param y: 坦克纵坐标:param order: 玩家坦克序号，1表示一号玩家，2表示二号玩家:param amour: 坦克初始护甲"""super().__init__()self.images = []if order == 1:self.images.append({'UP': pygame.image.load('../Image/Player1/45x45/UP1.png'),'DOWN': pygame.image.load('../Image/Player1/45x45/DOWN1.png'),'LEFT': pygame.image.load('../Image/Player1/45x45/LEFT1.png'),'RIGHT': pygame.image.load('../Image/Player1/45x45/RIGHT1.png')})self.images.append({'UP': pygame.image.load('../Image/Player1/45x45/UP2.png'),'DOWN': pygame.image.load('../Image/Player1/45x45/DOWN2.png'),'LEFT': pygame.image.load('../Image/Player1/45x45/LEFT2.png'),'RIGHT': pygame.image.load('../Image/Player1/45x45/RIGHT2.png')})self.images.append({'UP': pygame.image.load('../Image/Player1/45x45/UP3.png'),'DOWN': pygame.image.load('../Image/Player1/45x45/DOWN3.png'),'LEFT': pygame.image.load('../Image/Player1/45x45/LEFT3.png'),'RIGHT': pygame.image.load('../Image/Player1/45x45/RIGHT3.png')})self.images.append({'UP': pygame.image.load('../Image/Player1/45x45/UP4.png'),'DOWN': pygame.image.load('../Image/Player1/45x45/DOWN4.png'),'LEFT': pygame.image.load('../Image/Player1/45x45/LEFT4.png'),'RIGHT': pygame.image.load('../Image/Player1/45x45/RIGHT4.png')})self.images.append({'UP': pygame.image.load('../Image/Player1/45x45/UP5.png'),'DOWN': pygame.image.load('../Image/Player1/45x45/DOWN5.png'),'LEFT': pygame.image.load('../Image/Player1/45x45/LEFT5.png'),'RIGHT': pygame.image.load('../Image/Player1/45x45/RIGHT5.png')})self.images.append({'UP': pygame.image.load('../Image/Player1/45x45/UP6.png'),'DOWN': pygame.image.load('../Image/Player1/45x45/DOWN6.png'),'LEFT': pygame.image.load('../Image/Player1/45x45/LEFT6.png'),'RIGHT': pygame.image.load('../Image/Player1/45x45/RIGHT6.png')})# 生命self.life = 3# 装甲self.armor = amour# 方向self.direction = 'UP'# 根据护甲选择坦克的样子self.image: pg.Surface = self.images[max(self.armor - 1, 0)][self.direction]self.rect = self.image.get_rect()self.rect.left = xself.rect.top = y# 速度self.accumulation: float = 0self.speed = 2# 移动开关self.stop = True# 等级self.level = 1# 伤害self.damage = 1def move(self):passdef shot(self):passdef draw(self):pass

5. 完善我方坦克的移动

accumulation 可以更细的控制坦克的移动速度

当 accumulation 累加到 1 时，坦克移动一次，如果不设置这个属性，即使是速度每次 +1，坦克移动的也速度很快，所以增加这个属性，可以减慢坦克的移动速度

def move(self):if self.accumulation >= 1:self.accumulation = 0if self.direction == 'LEFT':if self.rect.left > 0:self.rect.left -= self.speedelif self.direction == 'UP':if self.rect.top > 0:self.rect.top -= self.speedelif self.direction == 'DOWN':if self.rect.top < 555:self.rect.top += self.speedelif self.direction == 'RIGHT':if self.rect.left < 855:self.rect.left += self.speedelse:self.accumulation += 0.20

这里需要设置坦克的边界范围
防止坦克跑出窗口

坦克的图片是45x45

5. 完善我方坦克的显示

坦克的显示就是把坦克的图片显示在窗口中

def draw(self, window):# window传入主窗口# 坦克生命中为0，表示已经死亡，不再展示坦克if self.life <= 0:return# 获取展示的对象self.image = self.images[max(self.armor - 1, 0)][self.direction]window.blit(self.image, self.rect)

我方坦克类完整代码

import pygame as pg
import pygame.image
from ParentObject import ParentObjectclass PlayerTank(ParentObject):def __init__(self, x, y, order, amour):""":param x: 坦克横坐标:param y: 坦克纵坐标:param order: 玩家坦克序号，1表示一号玩家，2表示二号玩家:param amour: 坦克初始护甲"""super().__init__()self.images = []if order == 1:self.images.append({'UP': pygame.image.load('../Image/Player1/45x45/UP1.png'),'DOWN': pygame.image.load('../Image/Player1/45x45/DOWN1.png'),'LEFT': pygame.image.load('../Image/Player1/45x45/LEFT1.png'),'RIGHT': pygame.image.load('../Image/Player1/45x45/RIGHT1.png')})self.images.append({'UP': pygame.image.load('../Image/Player1/45x45/UP2.png'),'DOWN': pygame.image.load('../Image/Player1/45x45/DOWN2.png'),'LEFT': pygame.image.load('../Image/Player1/45x45/LEFT2.png'),'RIGHT': pygame.image.load('../Image/Player1/45x45/RIGHT2.png')})self.images.append({'UP': pygame.image.load('../Image/Player1/45x45/UP3.png'),'DOWN': pygame.image.load('../Image/Player1/45x45/DOWN3.png'),'LEFT': pygame.image.load('../Image/Player1/45x45/LEFT3.png'),'RIGHT': pygame.image.load('../Image/Player1/45x45/RIGHT3.png')})self.images.append({'UP': pygame.image.load('../Image/Player1/45x45/UP4.png'),'DOWN': pygame.image.load('../Image/Player1/45x45/DOWN4.png'),'LEFT': pygame.image.load('../Image/Player1/45x45/LEFT4.png'),'RIGHT': pygame.image.load('../Image/Player1/45x45/RIGHT4.png')})self.images.append({'UP': pygame.image.load('../Image/Player1/45x45/UP5.png'),'DOWN': pygame.image.load('../Image/Player1/45x45/DOWN5.png'),'LEFT': pygame.image.load('../Image/Player1/45x45/LEFT5.png'),'RIGHT': pygame.image.load('../Image/Player1/45x45/RIGHT5.png')})self.images.append({'UP': pygame.image.load('../Image/Player1/45x45/UP6.png'),'DOWN': pygame.image.load('../Image/Player1/45x45/DOWN6.png'),'LEFT': pygame.image.load('../Image/Player1/45x45/LEFT6.png'),'RIGHT': pygame.image.load('../Image/Player1/45x45/RIGHT6.png')})# 生命self.life = 3# 装甲self.armor = amour# 方向self.direction = 'UP'# 根据护甲选择坦克的样子self.image: pg.Surface = self.images[max(self.armor - 1, 0)][self.direction]self.rect = self.image.get_rect()self.rect.left = xself.rect.top = y# 速度self.accumulation: float = 0self.speed = 2# 移动开关self.stop = True# 重生self.isResurrecting = False# 碰撞前的坐标self.prvX = self.rect.leftself.prvY = self.rect.top# 等级self.level = 1# 伤害self.damage = 1def move(self):if self.accumulation >= 1:self.accumulation = 0if self.direction == 'LEFT':if self.rect.left > 0:self.rect.left -= self.speedelif self.direction == 'UP':if self.rect.top > 0:self.rect.top -= self.speedelif self.direction == 'DOWN':if self.rect.top < 555:self.rect.top += self.speedelif self.direction == 'RIGHT':if self.rect.left < 855:self.rect.left += self.speedelse:self.accumulation += 0.20def shot(self):passdef draw(self, window):# 坦克生命中为0，表示已经死亡，不再展示坦克if self.life <= 0:return# 获取展示的对象self.image = self.images[max(self.armor - 1, 0)][self.direction]# 画出图片window.blit(self.image, self.rect)

6. 在主类中加入我方坦克并完成坦克移动

我方坦克类中移动和显示函数实现后，就要让它们在主类中调用

添加类变量playerTank，用于存放我方坦克的对象

修改循环中的代码

while 1:# 设置背景颜色MainGame.window.fill(BACKGROUND_COLOR)# 获取窗口事件self.getPlayingModeEvent()# 显示我方坦克MainGame.playerTank.draw(MainGame.window)# 我方坦克移动if not MainGame.playerTank.stop:MainGame.playerTank.move()# 更新窗口pygame.display.update()

完整我方坦克类代码

import pygame
import sysfrom PlayerTank import PlayerTankSCREEN_WIDTH = 1100
SCREEN_HEIGHT = 600
BACKGROUND_COLOR = pygame.Color(0, 0, 0)
FONT_COLOR = (255, 255, 255)
PLAYER_TANK_POSITION = (325, 550)class MainGame:# 窗口Surface对象window = None# 玩家坦克playerTank = Nonedef __init__(self):passdef startGame(self):# 初始化展示模块pygame.display.init()# 设置窗口大小size = (SCREEN_WIDTH, SCREEN_HEIGHT)# 初始化窗口MainGame.window = pygame.display.set_mode(size)# 设置窗口标题pygame.display.set_caption('Tank Battle')# 初始化我方坦克MainGame.playerTank = PlayerTank(PLAYER_TANK_POSITION[0], PLAYER_TANK_POSITION[1], 1, 1)while 1:# 设置背景颜色MainGame.window.fill(BACKGROUND_COLOR)# 获取窗口事件self.getPlayingModeEvent()# 显示我方坦克MainGame.playerTank.draw(MainGame.window)# 我方坦克移动if not MainGame.playerTank.stop:MainGame.playerTank.move()# 更新窗口pygame.display.update()def getPlayingModeEvent(self):# 获取所有事件eventList = pygame.event.get()for event in eventList:if event.type == pygame.QUIT:sys.exit()"""stop属性用来控制坦克移动，当键盘按键按下时，坦克可以移动，一直按住一直移动，当按键抬起时，停止移动如果没有该属性，按一下按键移动一次，按一下移动一下，不能一直按住一直移动"""if event.type == pygame.KEYDOWN:print('键盘按键按下')if event.key == pygame.K_w:MainGame.playerTank.direction = 'UP'MainGame.playerTank.stop = Falseelif event.key == pygame.K_s:MainGame.playerTank.direction = 'DOWN'MainGame.playerTank.stop = Falseelif event.key == pygame.K_a:MainGame.playerTank.direction = 'LEFT'MainGame.playerTank.stop = Falseelif event.key == pygame.K_d:MainGame.playerTank.direction = 'RIGHT'MainGame.playerTank.stop = Falseelif event.key == pygame.K_j:print('j按下')if event.type == pygame.KEYUP:print('键盘按键抬起')if event.key == pygame.K_w:MainGame.playerTank.stop = Trueelif event.key == pygame.K_s:MainGame.playerTank.stop = Trueelif event.key == pygame.K_a:MainGame.playerTank.stop = Trueelif event.key == pygame.K_d:MainGame.playerTank.stop = Trueif __name__ == '__main__':MainGame().startGame()

运行结果

7. 初始化子弹类

现在已经实现了坦克的移动啦，下面就要实现坦克的发射子弹

实际上，子弹也是一幅图片，当我们按下开火按键后，就在坦克的正前方画出子弹，随着时间的流逝，要让子弹按照当前方向一直运动下去

import pygame
from ParentObject import ParentObjectclass Bullet(ParentObject):def __init__(self, tank):super().__init__()self.images = {'UP': pygame.image.load('../Image/Bullet/Bullet(UP).png'),'DOWN': pygame.image.load('../Image/Bullet/Bullet(DOWN).png'),'LEFT': pygame.image.load('../Image/Bullet/Bullet(LEFT).png'),'RIGHT': pygame.image.load('../Image/Bullet/Bullet(RIGHT).png')}# 方向self.direction = tank.directionself.image: pygame.Surface = self.images[self.direction]self.rect = self.image.get_rect()# 坦克发射子弹的位置if self.direction == 'UP':self.rect.left = tank.rect.left + 17.5self.rect.top = tank.rect.top - 25elif self.direction == 'DOWN':self.rect.left = tank.rect.left + 17.5self.rect.top = tank.rect.top + 25elif self.direction == 'LEFT':self.rect.left = tank.rect.left - 25self.rect.top = tank.rect.top + 17.5elif self.direction == 'RIGHT':self.rect.left = tank.rect.left + 25self.rect.top = tank.rect.top + 17.5# 速度self.accumulationMax: float = 0self.accumulation = 0.25self.speed = 10# 销毁开关self.isDestroy = False# 发射源self.source = tank# 伤害self.damage = tank.damagedef move(self, explodeList):passdef draw(self, window):window.blit(self.image, self.rect)

下面是确定子弹的位置：

子弹图片是25x10，坦克发射子弹是在坦克中间位置发射

8. 完善子弹的移动

子弹的初始位置确定后，一旦创建出来，就要一直移动下去，实际上就是刷新屏幕，然后把原来位置上的子弹图片去掉，在新的位置上再画出子弹图片，坦克移动的原理也是这样

修改move函数，添加检查子弹出界函数

    def move(self):if self.accumulation >= 1:self.accumulation = 0if self.direction == 'LEFT':self.rect.left -= self.speedelif self.direction == 'UP':self.rect.top -= self.speedelif self.direction == 'DOWN':self.rect.top += self.speedelif self.direction == 'RIGHT':self.rect.left += self.speed# 检查子弹是否出界self.checkBullet()else:self.accumulation += 0.20def checkBullet(self):toDestroy = False# 如果出界，就设置为销毁if self.rect.top < 0 or self.rect.top > 600:toDestroy = Trueif self.rect.left < 0 or self.rect.right > 900:toDestroy = Trueif toDestroy:self.isDestroy = True

子弹类完整代码

import pygame
from ParentObject import ParentObjectclass Bullet(ParentObject):def __init__(self, tank):super().__init__()self.images = {'UP': pygame.image.load('../Image/Bullet/Bullet(UP).png'),'DOWN': pygame.image.load('../Image/Bullet/Bullet(DOWN).png'),'LEFT': pygame.image.load('../Image/Bullet/Bullet(LEFT).png'),'RIGHT': pygame.image.load('../Image/Bullet/Bullet(RIGHT).png')}# 方向self.direction = tank.directionself.image: pygame.Surface = self.images[self.direction]self.rect = self.image.get_rect()# 坦克发射子弹的位置if self.direction == 'UP':self.rect.left = tank.rect.left + 17.5self.rect.top = tank.rect.top - 25elif self.direction == 'DOWN':self.rect.left = tank.rect.left + 17.5self.rect.top = tank.rect.top + 25elif self.direction == 'LEFT':self.rect.left = tank.rect.left - 25self.rect.top = tank.rect.top + 17.5elif self.direction == 'RIGHT':self.rect.left = tank.rect.left + 25self.rect.top = tank.rect.top + 17.5# 速度self.accumulationMax: float = 0self.accumulation = 0.25self.speed = 10# 销毁开关self.isDestroy = False# 发射源self.source = tank# 伤害self.damage = tank.damagedef move(self):if self.accumulation >= 1:self.accumulation = 0if self.direction == 'LEFT':self.rect.left -= self.speedelif self.direction == 'UP':self.rect.top -= self.speedelif self.direction == 'DOWN':self.rect.top += self.speedelif self.direction == 'RIGHT':self.rect.left += self.speed# 检查子弹是否出界self.checkBullet()else:self.accumulation += 0.20def checkBullet(self):toDestroy = False# 如果出界，就设置为销毁if self.rect.top < 0 or self.rect.top > 600:toDestroy = Trueif self.rect.left < 0 or self.rect.right > 900:toDestroy = Trueif toDestroy:self.isDestroy = Truedef draw(self, window):window.blit(self.image, self.rect)

9. 完善坦克开火

有了子弹类，就可以让坦克发射子弹了

修改坦克的 shot() 函数

def shot(self):return Bullet(self)

修改 getPlayingModeEvent() 函数
当 j键按下，发射子弹

    def getPlayingModeEvent(self):# 获取所有事件eventList = pygame.event.get()for event in eventList:if event.type == pygame.QUIT:sys.exit()"""stop属性用来控制坦克移动，当键盘按键按下时，坦克可以移动，一直按住一直移动，当按键抬起时，停止移动如果没有该属性，按一下按键移动一次，按一下移动一下，不能一直按住一直移动"""if event.type == pygame.KEYDOWN:print('键盘按键按下')if event.key == pygame.K_w:MainGame.playerTank.direction = 'UP'MainGame.playerTank.stop = Falseelif event.key == pygame.K_s:MainGame.playerTank.direction = 'DOWN'MainGame.playerTank.stop = Falseelif event.key == pygame.K_a:MainGame.playerTank.direction = 'LEFT'MainGame.playerTank.stop = Falseelif event.key == pygame.K_d:MainGame.playerTank.direction = 'RIGHT'MainGame.playerTank.stop = Falseelif event.key == pygame.K_j:# 判断子弹数量是否超过指定的个数if len(MainGame.playerBulletList) < MainGame.playerBulletNumber:bullet = MainGame.playerTank.shot()MainGame.playerBulletList.append(bullet)if event.type == pygame.KEYUP:print('键盘按键抬起')if event.key == pygame.K_w:MainGame.playerTank.stop = Trueelif event.key == pygame.K_s:MainGame.playerTank.stop = Trueelif event.key == pygame.K_a:MainGame.playerTank.stop = Trueelif event.key == pygame.K_d:MainGame.playerTank.stop = True

子弹有了，但是没有显示在窗口，此时写一个函数让子弹在窗口显示出来

def drawPlayerBullet(self, playerBulletList):# 遍历整个子弹列表，如果是没有被销毁的状态，就把子弹显示出来，否则从列表中删除for bullet in playerBulletList:if not bullet.isDestroy:bullet.draw(MainGame.window)bullet.move()else:playerBulletList.remove(bullet)

有了函数还需要调用，在while循环中加入该函数

while 1:# 设置背景颜色MainGame.window.fill(BACKGROUND_COLOR)# 获取窗口事件self.getPlayingModeEvent()# 显示我方坦克MainGame.playerTank.draw(MainGame.window)# 我方坦克移动if not MainGame.playerTank.stop:MainGame.playerTank.move()# 显示我方坦克子弹self.drawPlayerBullet(MainGame.playerBulletList)# 更新窗口pygame.display.update()

运行游戏看看结果

当我们按下开火键时，子弹就发射了

10. 实现敌方坦克类

现在我的坦克可以移动和开火，那么就要有点靶子给我们练习了，是时候实现敌方坦克类了

敌方坦克类的大部分代码跟我方坦克类一样，这里可以用继承，即父类是坦克类，实现两个类的一样的代码，然后我方坦克类和敌方坦克类继承这个类，不过我没有使用继承

import random
import pygame
import pygame.imagefrom ParentObject import ParentObject
from Bullet import Bulletclass EnemyTank(ParentObject):def __init__(self, x, y):super().__init__()types = [(1, 3), (2, 1), (3, 2), (4, 10)]# 随机产生一种坦克self.type = types[random.randint(0, len(types) - 1)]up = []down = []left = []right = []for i in range(1, self.type[1] + 1):up.append(pygame.image.load('../Image/Enemy/EnemyTank' + str(self.type[0]) + '/EnemyTank'+ str(self.type[0]) + 'Lv' + str(i) + '(UP).png'))down.append(pygame.image.load('../Image/Enemy/EnemyTank' + str(self.type[0]) + '/EnemyTank'+ str(self.type[0]) + 'Lv' + str(i) + '(DOWN).png'))left.append(pygame.image.load('../Image/Enemy/EnemyTank' + str(self.type[0]) + '/EnemyTank' + str(self.type[0]) + 'Lv' + str(i) + '(LEFT).png'))right.append(pygame.image.load('../Image/Enemy/EnemyTank' + str(self.type[0]) + '/EnemyTank' + str(self.type[0]) + 'Lv' + str(i) + '(RIGHT).png'))self.images = {'UP': up,'DOWN': down,'LEFT': left,'RIGHT': right}# 生命self.life = self.type[1]# 方向self.direction = 'DOWN'self.image: pygame.Surface = self.images[self.direction][self.life - 1]self.rect = self.image.get_rect()self.rect.left = xself.rect.top = y# 速度self.accumulationMax: float = 0self.accumulation = 0.1speed = 0maxBulletCount = 0damage = 1if self.type[0] == 1:speed = 3self.level = 1maxBulletCount = 1elif self.type[0] == 2:speed = 5self.level = 2maxBulletCount = 1damage = 3elif self.type[0] == 3:speed = 7self.level = 1maxBulletCount = 3damage = 2elif self.type[0] == 4:speed = 6self.level = 2maxBulletCount = 3damage = 1self.speed = speed# 移动开关self.stop = True# 开火开关self.fire = True# 步数self.step = 30# 伤害self.damage = damage# 子弹个数self.bulletCount = 0self.maxBulletCount = maxBulletCountdef loseLife(self, value = 1):self.life -= valuedef move(self):"""新增步数变量, 当坦克移动时, 步数进行减少, 当步数小于等于0的时候, 修改地方坦克的方向:return: None"""if self.stop:if self.step <= 0:self.direction = self.randDirection()self.step = 30else:if self.accumulationMax >= 1:self.accumulationMax = 0if self.direction == 'LEFT':if self.rect.left > 0:self.rect.left -= self.speedelif self.direction == 'UP':if self.rect.top > 0:self.rect.top -= self.speedelif self.direction == 'DOWN':if self.rect.top < 555:self.rect.top += self.speedelif self.direction == 'RIGHT':if self.rect.left < 855:self.rect.left += self.speedself.step -= 1else:self.accumulationMax += self.accumulationdef shot(self):if self.fire:if self.bulletCount < self.maxBulletCount:num = random.randint(0, 100)if num == 5 or num == 6:self.bulletCount += 1return Bullet(self)return Nonedef draw(self, window):# 获取展示的对象self.image = self.images[self.direction][self.life - 1]window.blit(self.image, self.rect)def randDirection(self):directions = ['UP', 'DOWN', 'LEFT', 'RIGHT']index = random.randint(0, 3)return directions[index]

我实际上设置了四种坦克的种类，下面types变量中记录着四种种类的序号和生命值，我规定，生命中不同坦克的样子也不同

types = [(1, 3), (2, 1), (3, 2), (4, 10)]
# 随机产生一种坦克
self.type = types[random.randint(0, len(types) - 1)]

元组中的第二个元素表示生命值， 直接获取

# 生命
self.life = self.type[1]

根据方向和生命值获取对应的图片

self.image: pygame.Surface = self.images[self.direction][self.life - 1]

坦克的属性

根据坦克种类的不同，伤害、等级、生命值也不同

等级是子弹的穿透性，1级只能打烂砖墙，2级可以打烂石墙，3级以上可以打烂黑曜石墙，这个黑曜石墙是我自己新加入的，我们以前玩的坦克大战是没有的，而且规则和我这个不太一样，当然你也可以修改，比如给坦克加入能量，当坦克在一定时间内连续击杀多个敌人，可以获得怒气，短时间伤害提升，这些都可以实现

speed = 0
maxBulletCount = 0
damage = 1
# 每种坦克都有不同的属性
if self.type[0] == 1:speed = 3self.level = 1maxBulletCount = 1
elif self.type[0] == 2:speed = 5self.level = 2maxBulletCount = 1damage = 3
elif self.type[0] == 3:speed = 7self.level = 1maxBulletCount = 3damage = 2
elif self.type[0] == 4:speed = 6self.level = 2maxBulletCount = 3damage = 1

坦克的移动

step是步数，每次按照30次循环作为一次坦克的操作

 if self.stop:if self.step <= 0:# 随机产生一个方向，接下来朝这个方向移动self.direction = self.randDirection()self.step = 30else:if self.accumulationMax >= 1:self.accumulationMax = 0if self.direction == 'LEFT':if self.rect.left > 0:self.rect.left -= self.speedelif self.direction == 'UP':if self.rect.top > 0:self.rect.top -= self.speedelif self.direction == 'DOWN':if self.rect.top < 555:self.rect.top += self.speedelif self.direction == 'RIGHT':if self.rect.left < 855:self.rect.left += self.speedself.step -= 1else:self.accumulationMax += self.accumulation

坦克开火

随机产生一个0到100的数字，当为5或者6时，坦克就开火

def shot(self):if self.fire:if self.bulletCount < self.maxBulletCount:num = random.randint(0, 100)if num == 5 or num == 6:self.bulletCount += 1return Bullet(self)return None

11. 在主类中加入敌方坦克并完成坦克移动和开火

在主类中创建类变量

class MainGame:# 窗口Surface对象window = None# 玩家坦克playerTank = None# 玩家子弹playerBulletList = []playerBulletNumber = 3# 敌人坦克enemyTankList = []enemyTankTotalCount = 5# 用来给玩家展示坦克的数量enemyTankCurrentCount = 5# 敌人坦克子弹enemyTankListBulletList = []

创建展示敌方坦克函数

这里我规定一次展示三辆敌方坦克，当全部被消灭后，再展示3辆，直到全部被消灭

def drawEnemyTank(self):# 如果当前坦克为0，那么就该重新生成坦克if len(MainGame.enemyTankList) == 0:# 一次性产生三个，如果剩余坦克数量超过三，那只能产生三个n = min(3, MainGame.enemyTankTotalCount)# 如果最小是0，就说明敌人坦克没有了，那么就赢了if n == 0:print('赢了')return# 没有赢的话，就产生n个坦克self.initEnemyTank(n)# 总个数减去产生的个数MainGame.enemyTankTotalCount -= n# 遍历坦克列表，展示坦克并且移动for tank in MainGame.enemyTankList:# 坦克还有生命值if tank.life > 0:tank.draw(MainGame.window)tank.move()bullet = tank.shot()if bullet is not None:MainGame.enemyTankBulletList.append(bullet)# 坦克生命值为0，就从列表中剔除else:MainGame.enemyTankCurrentCount -= 1MainGame.enemyTankList.remove(tank)

坦克开火之后子弹加入敌方坦克子弹列表，把里面的子弹画出来，然后在while中调用它

def drawEnemyBullet(self):for bullet in MainGame.enemyTankBulletList:if not bullet.isDestroy:bullet.draw(MainGame.window)bullet.move()else:bullet.source.bulletCount -= 1MainGame.enemyTankBulletList.remove(bullet)

while 1:# 设置背景颜色MainGame.window.fill(BACKGROUND_COLOR)# 获取窗口事件self.getPlayingModeEvent()# 显示我方坦克MainGame.playerTank.draw(MainGame.window)# 我方坦克移动if not MainGame.playerTank.stop:MainGame.playerTank.move()# 显示我方坦克子弹self.drawPlayerBullet(MainGame.playerBulletList)# 展示敌方坦克self.drawEnemyTank()# 展示敌方坦克子弹self.drawEnemyBullet()# 更新窗口pygame.display.update()

完整的主类代码

import pygame
import sysfrom PlayerTank import PlayerTank
from EnemyTank import EnemyTankSCREEN_WIDTH = 1100
SCREEN_HEIGHT = 600
BACKGROUND_COLOR = pygame.Color(0, 0, 0)
FONT_COLOR = (255, 255, 255)
PLAYER_TANK_POSITION = (325, 550)class MainGame:# 窗口Surface对象window = None# 玩家坦克playerTank = None# 玩家子弹playerBulletList = []playerBulletNumber = 3# 敌人坦克enemyTankList = []enemyTankTotalCount = 5# 用来给玩家展示坦克的数量enemyTankCurrentCount = 5# 敌人坦克子弹enemyTankBulletList = []def __init__(self):passdef startGame(self):# 初始化展示模块pygame.display.init()# 设置窗口大小size = (SCREEN_WIDTH, SCREEN_HEIGHT)# 初始化窗口MainGame.window = pygame.display.set_mode(size)# 设置窗口标题pygame.display.set_caption('Tank Battle')# 初始化我方坦克MainGame.playerTank = PlayerTank(PLAYER_TANK_POSITION[0], PLAYER_TANK_POSITION[1], 1, 1)while 1:# 设置背景颜色MainGame.window.fill(BACKGROUND_COLOR)# 获取窗口事件self.getPlayingModeEvent()# 显示我方坦克MainGame.playerTank.draw(MainGame.window)# 我方坦克移动if not MainGame.playerTank.stop:MainGame.playerTank.move()# 显示我方坦克子弹self.drawPlayerBullet(MainGame.playerBulletList)# 展示敌方坦克self.drawEnemyTank()# 展示敌方坦克子弹self.drawEnemyBullet()# 更新窗口pygame.display.update()def getPlayingModeEvent(self):# 获取所有事件eventList = pygame.event.get()for event in eventList:if event.type == pygame.QUIT:sys.exit()"""stop属性用来控制坦克移动，当键盘按键按下时，坦克可以移动，一直按住一直移动，当按键抬起时，停止移动如果没有该属性，按一下按键移动一次，按一下移动一下，不能一直按住一直移动"""if event.type == pygame.KEYDOWN:if event.key == pygame.K_w:MainGame.playerTank.direction = 'UP'MainGame.playerTank.stop = Falseelif event.key == pygame.K_s:MainGame.playerTank.direction = 'DOWN'MainGame.playerTank.stop = Falseelif event.key == pygame.K_a:MainGame.playerTank.direction = 'LEFT'MainGame.playerTank.stop = Falseelif event.key == pygame.K_d:MainGame.playerTank.direction = 'RIGHT'MainGame.playerTank.stop = Falseelif event.key == pygame.K_j:# 判断子弹数量是否超过指定的个数if len(MainGame.playerBulletList) < MainGame.playerBulletNumber:bullet = MainGame.playerTank.shot()MainGame.playerBulletList.append(bullet)if event.type == pygame.KEYUP:if event.key == pygame.K_w:MainGame.playerTank.stop = Trueelif event.key == pygame.K_s:MainGame.playerTank.stop = Trueelif event.key == pygame.K_a:MainGame.playerTank.stop = Trueelif event.key == pygame.K_d:MainGame.playerTank.stop = Truedef drawPlayerBullet(self, playerBulletList):# 遍历整个子弹列表，如果是没有被销毁的状态，就把子弹显示出来，否则从列表中删除for bullet in playerBulletList:if not bullet.isDestroy:bullet.draw(MainGame.window)bullet.move()else:playerBulletList.remove(bullet)def drawEnemyTank(self):# 如果当前坦克为0，那么就该重新生成坦克if len(MainGame.enemyTankList) == 0:# 一次性产生三个，如果剩余坦克数量超过三，那只能产生三个n = min(3, MainGame.enemyTankTotalCount)# 如果最小是0，就说明敌人坦克没有了，那么就赢了if n == 0:print('赢了')return# 没有赢的话，就产生n个坦克self.initEnemyTank(n)# 总个数减去产生的个数MainGame.enemyTankTotalCount -= n# 遍历坦克列表，展示坦克并且移动for tank in MainGame.enemyTankList:# 坦克还有生命值if tank.life > 0:tank.draw(MainGame.window)tank.move()bullet = tank.shot()if bullet is not None:MainGame.enemyTankBulletList.append(bullet)# 坦克生命值为0，就从列表中剔除else:MainGame.enemyTankCurrentCount -= 1MainGame.enemyTankList.remove(tank)def initEnemyTank(self, number):y = 0position = [0, 425, 850]index = 0for i in range(number):x = position[index]enemyTank = EnemyTank(x, y)MainGame.enemyTankList.append(enemyTank)index += 1def drawEnemyBullet(self):for bullet in MainGame.enemyTankBulletList:if not bullet.isDestroy:bullet.draw(MainGame.window)bullet.move()else:bullet.source.bulletCount -= 1MainGame.enemyTankBulletList.remove(bullet)if __name__ == '__main__':MainGame().startGame()

运行一下，看看结果

哈哈，终于实现发射子弹啦