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    python飞机大战游戏实例讲解

    作者:小妮浅浅 时间:2021-08-02 17:46

    记得刚学python那会,作过一个飞机大战小项目,这个项目非常经典,可以帮助初学者提高动手能力,今天把它分享出来。

    一、项目介绍

    先放几张图片

    二、项目实现

    1.首先安装库

    pip install pygame

    2.主要python代码

    import pygame
    
    from pygame.locals import *
    import random
    #https://blog.csdn.net/qq_36079986/article/details/110395731
    class HeroPlane(object):# 创建一个飞机的英雄类
     def __init__(self,screen_temp): # 始化方法
     self.x = 200
     self.y = 500
     self.image = pygame.image.load('./img/hero1.png')
     self.screen = screen_temp# 因为在display方法中使用到了screen方法# 但是在类中没有 也不能调用 # 所以说 以传参的方法传递到类中
     self.bullet_list = []
     def display(self):# 创建一个展现飞机的方法
     herp_x1, herp_y1, herp_x2, herp_y2, herp_x3, herp_y3 = -100, -100, -100, -100, -100, -100
     self.screen.blit(self.image,(self.x, self.y))
     for bullet in self.bullet_list:###遍历子弹类对象,赋值给bullet
      herp_x1, herp_y1, herp_x2, herp_y2, herp_x3, herp_y3 = bullet.display()###### bullet对象调用display方法, 显示子弹
      bullet.move()
      if self.bullet_list[0].y < 0:
      del self.bullet_list[0]
     return herp_x1, herp_y1, herp_x2, herp_y2, herp_x3, herp_y3
     def move_left(self):
     self.x -= 50
     def move_right(self):
     self.x += 50
     def move_up(self):
     self.y -= 50
     def move_down(self):
     self.y += 50
     def fire(self):
     print(len(self.bullet_list),'个子弹##########################################')
     self.bullet_list.append(HeroBullet(self.screen,self.x, self.y))
    class HeroBullet(object):
     def __init__(self,screen_temp,x_temp,y_temp):
     self.x = x_temp
     self.y = y_temp
     self.image = pygame.image.load('./img/bullet.png')
     self.screen = screen_temp
     def display(self):
     self.screen.blit(self.image,(self.x - 22, self.y-22))
     self.screen.blit(self.image, (self.x + 39, self.y-22))
     self.screen.blit(self.image, (self.x + 100, self.y-22))
     return self.x - 22, self.y - 22, self.x + 39, self.y - 22, self.x + 100, self.y - 22
     def move(self):
     self.y -= 1
    class EnemyPlane(object):
     def __init__(self,screen_temp):
     self.ra = random.randint(0,2)
     self.x = random.randint(0,400)
     self.y = 0
     self.image = pygame.image.load('./img/enemy1.png')
     if 0<=self.x<=540:
      if self.ra == 0:
      self.flag = "left"
      elif self.ra == 1:
      self.flag = "right"
      else:
      self.flag = 'middle'
     self.screen.blit(self.image, (self.x, self.y))
     if self.x < 0:
      self.flag = "left"
     elif self.x > 450:
      self.flag = 'right'
     if self.flag == "left":
      self.x += 2
     elif self.flag == 'right':
      self.x -= 2
     self.y += 0.1
     if (random.randint(0,50) == 1):
      self.bullet_list.append(EnemyBullet(self.screen, self.x, self.y))
      # print(len(self.bullet_list),'颗敌方子弹')
     for bullet in self.bullet_list:
      bullet.display()
      if bullet.y > 700:
      del bullet
    class EnemyBullet(object):
     def __init__(self,screen_temp,x,y):
     self.x = x + 30
     self.y = y + 90
     self.image = pygame.image.load('./img/bullet-1.gif')
     self.y+= 10
    def key_control(hero_temp):
     for event in pygame.event.get(): # 判断输入类型
     if event.type == QUIT:#判断是否是点击了退出按钮
      print("exit")
      exit()
     elif event.type == KEYDOWN:#判断是否是按下了键# 如果是键盘事件(键盘按下事件)
      if event.key == K_a or event.key == K_LEFT:
      hero_temp.move_left()
      elif event.key == K_d or event.key == K_RIGHT:
      hero_temp.move_right()
      elif event.key == K_w or event.key == K_UP:
      hero_temp.move_up()
      elif event.key == K_s or event.key == K_DOWN:
      hero_temp.move_down()
      elif event.key == K_SPACE:#检测按键是否是空格键
      hero_temp.fire()
    def main():
     screen = pygame.display.set_mode((480, 650), 0, 32) # 使用screen资源来创建背景# 返回值是一个资源
     pygame.display.set_caption("aircraft game") # 设置窗口标题
     background = pygame.image.load('./img/background.png')## ./ 当前路径 ../ 上一级路径 / 根目录
     hero = HeroPlane(screen)
     enemy_list = []
     j = 0
     while True:
     screen.blit(background, (0, 0)) # 资源中的blit方法能够加载游戏的画面
     herp_x1, herp_y1, herp_x2, herp_y2, herp_x3, herp_y3 = hero.display() #####刷新
     if len(enemy_list) <= 10:
      enemy_list.append(EnemyPlane(screen))
     if enemy_list[0].y >= 700:
      del enemy_list[0]
     for enemy_each in enemy_list :
      # enemy_each.fire()
      enemy_each.move()
      enemy_each.display()
      # print(len(enemy_list), '个敌机')
      if (enemy_each.x <= herp_x1 -10 <= enemy_each.x + 80 and enemy_each.y -10<= herp_y1<= enemy_each.y + 90) or (enemy_each.x -10 <= herp_x2<= enemy_each.x + 80 and enemy_each.y -10<= herp_y2<= enemy_each.y + 90) or (enemy_each.x-10 <= herp_x3<= enemy_each.x + 80 and enemy_each.y -10<= herp_y3<= enemy_each.y + 90):
      enemy_list.remove(enemy_each)
      # print(len(enemy_list), '个敌机')
      print('jizhon')
     # print(hero.x,type(hero.x))
     if j % 100 == 5:
      print(len(enemy_list),'个敌机')
     pygame.display.update() ### 加载游戏
     key_control(hero)# 调用键盘事件函数
     j += 1
     # print(herp_x1, herp_y1, herp_x2, herp_y2, herp_x3, herp_y3)
    if __name__ == '__main__':
     main()

    三、说明:代码功能都在注释里面,我就不做过多解释了;与本项目有关的图片数据我传到资源里面了,大家可以免费下载,我把代码和数据都打包到一起了,大家下载下来导入库就可以直接一些了。

    实例补充

    import pygame
     
    class MyPlane(pygame.sprite.Sprite):
     def __init__(self,bg_size):
     pygame.sprite.Sprite.__init__(self)
     
     self.image1 = pygame.image.load(r'E:\learn pygame\image\me1.png').convert_alpha()
     self.image2 = pygame.image.load(r'E:\learn pygame\image\me2.png').convert_alpha()
     self.image3 = pygame.image.load(r'E:\learn pygame\image\me_protect.png').convert_alpha()
     self.destroy_images = []
     self.destroy_images.extend([\
     pygame.image.load(r'E:\learn pygame\image\me_destroy_1.png').convert_alpha(), \
     pygame.image.load(r'E:\learn pygame\image\me_destroy_2.png').convert_alpha(), \
     pygame.image.load(r'E:\learn pygame\image\me_destroy_3.png').convert_alpha(), \
     pygame.image.load(r'E:\learn pygame\image\me_destroy_4.png').convert_alpha() \
     ])
     self.rect = self.image1.get_rect()
     self.width,self.height = bg_size[0],bg_size[1]
     self.rect.left,self.rect.top = (self.width - self.rect.width) // 2,self.height - self.rect.height - 60
     self.speed = 10
     self.active = True
     self.invincible = False
     self.mask = pygame.mask.from_surface(self.image1)
     
     def moveUp(self):
     if self.rect.top > 0:
     self.rect.top -= self.speed
     else:
     self.rect.top = 0
     
     def moveDown(self):
     if self.rect.bottom < self.height - 30:
     self.rect.top += self.speed
     else:
     self.rect.bottom = self.height - 30
     
     def moveLeft(self):
     if self.rect.left > 0:
     self.rect.left -= self.speed
     else:
     self.rect.left = 0
     
     def moveRight(self):
     if self.rect.right < self.width:
     self.rect.left += self.speed
     else:
     self.rect.right = self.width
     
     def reset(self):
     self.rect.left,self.rect.top = (self.width - self.rect.width) // 2,self.height - self.rect.height - 30
     self.active = True 
     self.invincible = True
    jsjbwy