【python实例】飞机大战

  1 import pygame, time, random
  2 from pygame.locals import *
  3 
  4 
  5 class BasePlane:
  6     def __init__(self, x, y, img_path, screen):  # 显示的窗口
  7         self.x = x
  8         self.y = y
  9         self.img = pygame.image.load(img_path)
 10         self.screen = screen  # 窗口属性
 11         self.bullet_list = []
 12 
 13     def display(self):
 14         self.screen.blit(self.img, (self.x, self.y))
 15         bullet_list_copy = self.bullet_list.copy()
 16 
 17         for bullet in bullet_list_copy:
 18             if bullet.is_border():
 19                 self.bullet_list.remove(bullet)
 20             else:
 21                 bullet.display()
 22                 bullet.move()
 23 
 24 
 25 class HeroPlane(BasePlane):
 26     def __init__(self, screen):
 27         super().__init__(190, 526, "../feiji/hero1.png", screen)
 28 
 29     def move_left(self):
 30         self.x -= 10
 31 
 32     def move_right(self):
 33         self.x += 10
 34 
 35     def shoot(self):  # 发射子弹的方法
 36         # 创建子弹对象
 37         b = HeroBullet(self.x + 39, self.y - 22, "../feiji/bullet.png", self.screen)
 38         self.bullet_list.append(b)
 39 
 40 
 41 class EnemyPlane(BasePlane):
 42     def __init__(self, screen):
 43         super().__init__(0, 0, '../feiji/enemy0.png', screen)
 44         self.direction = "right"
 45 
 46     def move(self):  # 敌机移动
 47         if self.direction == "right":
 48             self.x += 5
 49         elif self.direction == "left":
 50             self.x -= 5
 51 
 52         if self.x >= 480 - 51:
 53             self.direction = "left"
 54         elif self.x <= 0:
 55             self.direction = "right"
 56 
 57     def shoot(self):
 58         num = random.randint(1, 100)
 59         if num > 97:
 60             b = EnemyBullet(self.x + 21, self.y + 39, "../feiji/bullet1.png", self.screen)
 61             self.bullet_list.append(b)
 62 
 63 
 64 class BaseBullet:
 65     def __init__(self, x, y, img_path, screen):
 66         self.x = x
 67         self.y = y
 68         self.img = pygame.image.load(img_path)
 69         self.screen = screen
 70 
 71     def move(self):
 72         pass
 73 
 74     def display(self):
 75         self.screen.blit(self.img, (self.x, self.y))
 76 
 77     def is_border(self):
 78         pass
 79 
 80 
 81 class HeroBullet(BaseBullet):
 82     def move(self):
 83         self.y -= 10
 84 
 85     def is_border(self):  # 判断是否超出边界
 86         if self.y <= -22:
 87             return True
 88         else:
 89             return False
 90 
 91 
 92 class EnemyBullet(BaseBullet):
 93     def move(self):
 94         self.y += 10
 95 
 96     def is_border(self):  # 判断是否超出边界
 97         if self.y >= 650 + 21:
 98             return True
 99         else:
100             return False
101 
102 
103 # 控制飞机移动的事件方法
104 def control_even(hero):  # 参数:  hero 为我方飞机对象
105 
106     # 不停地接收用户的事件: pygame.event.get()返回值是个列表
107     for event in pygame.event.get():  # 遍历获取用户的每一个事件对象
108         if event.type == QUIT:   # 右上角的叉号
109             exit()
110         elif event.type == KEYDOWN:  # 键盘事件
111             if event.key == K_LEFT or event.key == K_a:  # 接收向左的键盘事件
112                 hero.move_left()
113             elif event.key == K_RIGHT or event.key == K_d:  # 接收向右的键盘事件
114                 hero.move_right()
115             elif event.key == K_SPACE:
116                 hero.shoot()
117                 print("----piupiupiu----")
118 
119 
120 def main():
121     screen = pygame.display.set_mode((480, 650))
122 
123     bg = pygame.image.load("../feiji/background.png")  # 加载背景图片
124     hero = HeroPlane(screen)  # 创建我机对象
125     enemy = EnemyPlane(screen)  # 创建敌机对象
126 
127     while True:
128         screen.blit(bg, (0, 0))  # 窗口显示背景图片
129 
130         control_even(hero)  # 调用控制飞机移动的方法
131 
132         hero.display()  # 调用方法显示我机
133         enemy.display()  # 显示敌机
134         enemy.shoot()  # 敌机发射子弹
135         enemy.move()  # 敌机自动移动
136 
137         pygame.display.update()  # 更新
138         time.sleep(0.05)
139 
140 
141 if __name__ == "__main__":
142     main()