1 import pygame
2 import time
3 import random
4 from pygame.locals import *
5
6
7 class Base(object):
8 def __init__(self, screen_temp, x, y, image_name):
9 self.x = x
10 self.y = y
11 self.screen = screen_temp
12 self.image = pygame.image.load(image_name)
13
14
15 class BasePlane(Base):
16 def __init__(self, screen_temp, x, y, image_name):
17 Base.__init__(self, screen_temp, x, y, image_name)
18 self.bullet_list = [] # 存储发射出去的子弹对象的引用
19
20 def display(self):
21 self.screen.blit(self.image, (self.x, self.y))
22
23 for bullet in self.bullet_list:
24 bullet.display()
25 bullet.move()
26
27 if bullet.judge(): # 判断子弹是否越界
28 self.bullet_list.remove(bullet)
29
30
31 class HeroPlane(BasePlane):
32 def __init__(self, screen_temp):
33 # 也可以用super().__init__(), 用这个方法不用加参数self
34 BasePlane.__init__(self,screen_temp,210,700,"./feiji/hero1.png")
35
36 def move_left(self):
37 self.x = self.x - 5
38
39 def move_right(self):
40 self.x = self.x + 5
41
42 def fire(self):
43 self.bullet_list.append(Bullet(self.screen, self.x, self.y))
44
45
46 class EnemyPlane(BasePlane):
47 """敌机的类"""
48 def __init__(self, screen_temp):
49 BasePlane.__init__(self,screen_temp,0,0,"./feiji/enemy0.png")
50 self.direction = "right" # 用来存储飞机默认的显示方向
51
52
53 def move(self):
54 if self.direction == "right":
55 self.x += 5
56
57 elif self.direction == "left":
58 self.x -= 5
59
60 if self.x > 430:
61 self.direction = "left"
62 elif self.x < 0:
63 self.direction = "right"
64
65 def fire(self):
66 random_num = random.randint(1,100)
67 if random_num == 8 or random_num == 88: #降低子弹重复出现的可能
68 self.bullet_list.append(EnemyBullet(self.screen, self.x, self.y))
69
70
71 class BaseBullet(Base):
72 def __init__(self, screen_temp, x, y, image_name):
73 Base.__init__(self, screen_temp, x, y, image_name)
74
75 def display(self):
76 self.screen.blit(self.image, (self.x, self.y))
77
78
79 class Bullet(BaseBullet):
80 def __init__(self, screen_temp, x, y):
81 BaseBullet.__init__(self,screen_temp,x+40,y-20,"./feiji/bullet.png")
82
83 def move(self):
84 self.y = self.y - 5
85
86 def judge(self):
87 if self.y < 0:
88 return True
89 else:
90 return False
91
92
93 class EnemyBullet(BaseBullet):
94 def __init__(self, screen_temp, x, y):
95
96 BaseBullet.__init__(self,screen_temp,x+25,y+40,"./feiji/bullet1.png")
97
98 def move(self):
99 self.y = self.y + 5
100
101 def judge(self):
102 if self.y > 852:
103 return True
104 else:
105 return False
106
107
108 def key_control(hero_temp):
109 # 获取事件，比如按键等
110 for event in pygame.event.get():
111
112 if event.type == QUIT:
113 print("exit")
114 exit()
115
116 elif event.type == KEYDOWN:
117 if event.key == K_a or event.key == K_LEFT:
118 print('left')
119 # x = x - 5
120 hero_temp.move_left()
121
122 elif event.key == K_d or event.key == K_RIGHT:
123 print("right")
124 # x = x + 5
125 hero_temp.move_right()
126
127 elif event.key == K_SPACE:
128 hero_temp.fire()
129 print("space")
130
131
132 def main():
133 # 创建一个窗口，用来显示内容
134 screen = pygame.display.set_mode((480, 852), 0, 32)
135
136 # 创建一个和窗口大小相同的图片，用来当背景
137 background = pygame.image.load("./feiji/background.png")
138
139 # 创建一个飞机
140 hero = HeroPlane(screen)
141
142 # 创建一个敌机
143 enemy = EnemyPlane(screen)
144
145 # 把背景图片放到窗口中显示
146 while True:
147 # 设定需要显示的背景图
148 screen.blit(background, (0, 0))
149
150 # 显示飞机
151 hero.display()
152 enemy.display()
153 enemy.move() # 调用敌机的移动方法
154 enemy.fire()
155
156 # 更新需要显示的内容
157 pygame.display.update()
158
159 key_control(hero)
160
161 # 延迟降低CPU使用率
162 time.sleep(0.01)
163
164
165 if __name__ == '__main__':
166 main()
