python飞机大战游戏实例讲解

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

1. pip install pygame

2.主要python代码

1. import pygame
2.  
3. from pygame.locals import *
4. import random
5. ＃https://blog.csdn.net/qq_36079986/article/details/110395731
6. class HeroPlane(object):# 创建一个飞机的英雄类
7. def __init__(self,screen_temp): # 始化方法
8. self.x = 200
9. self.y = 500
10. self.image = pygame.image.load('./img/hero1.png')
11. 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
12. self.bullet_list = []
13. def display(self):# 创建一个展现飞机的方法
14. herp_x1, herp_y1, herp_x2, herp_y2, herp_x3, herp_y3 = -100, -100, -100, -100, -100, -100
15. self.screen.blit(self.image,(self.x, self.y))
16. for bullet in self.bullet_list:###遍历子弹类对象，赋值给bullet
17. 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
18. bullet.move()
19. if self.bullet_list[0].y < 0:
20. del self.bullet_list[0]
21. return herp_x1, herp_y1, herp_x2, herp_y2, herp_x3, herp_y3
22. def move_left(self):
23. self.x -= 50
24. def move_right(self):
25. self.x += 50
26. def move_up(self):
27. self.y -= 50
28. def move_down(self):
29. self.y += 50
30. def fire(self):
31. print(len(self.bullet_list),'个子弹##########################################')
32. self.bullet_list.append(HeroBullet(self.screen,self.x, self.y))
33. class HeroBullet(object):
34. def __init__(self,screen_temp,x_temp,y_temp):
35. self.x = x_temp
36. self.y = y_temp
37. self.image = pygame.image.load('./img/bullet.png')
38. self.screen = screen_temp
39. def display(self):
40. self.screen.blit(self.image,(self.x - 22, self.y-22))
41. self.screen.blit(self.image, (self.x + 39, self.y-22))
42. self.screen.blit(self.image, (self.x + 100, self.y-22))
43. return self.x - 22, self.y - 22, self.x + 39, self.y - 22, self.x + 100, self.y - 22
44. def move(self):
45. self.y -= 1
46. class EnemyPlane(object):
47. def __init__(self,screen_temp):
48. self.ra = random.randint(0,2)
49. self.x = random.randint(0,400)
50. self.y = 0
51. self.image = pygame.image.load('./img/enemy1.png')
52. if 0<=self.x<=540:
53. if self.ra == 0:
54. self.flag = "left"
55. elif self.ra == 1:
56. self.flag = "right"
57. else:
58. self.flag = 'middle'
59. self.screen.blit(self.image, (self.x, self.y))
60. if self.x < 0:
61. self.flag = "left"
62. elif self.x > 450:
63. self.flag = 'right'
64. if self.flag == "left":
65. self.x += 2
66. elif self.flag == 'right':
67. self.x -= 2
68. self.y += 0.1
69. if (random.randint(0,50) == 1):
70. self.bullet_list.append(EnemyBullet(self.screen, self.x, self.y))
71. # print(len(self.bullet_list),'颗敌方子弹')
72. for bullet in self.bullet_list:
73. bullet.display()
74. if bullet.y > 700:
75. del bullet
76. class EnemyBullet(object):
77. def __init__(self,screen_temp,x,y):
78. self.x = x + 30
79. self.y = y + 90
80. self.image = pygame.image.load('./img/bullet-1.gif')
81. self.y+= 10
82. def key_control(hero_temp):
83. for event in pygame.event.get(): # 判断输入类型
84. if event.type == QUIT:#判断是否是点击了退出按钮
85. print("exit")
86. exit()
87. 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）
88. if event.key == K_a or event.key == K_LEFT:
89. hero_temp.move_left()
90. elif event.key == K_d or event.key == K_RIGHT:
91. hero_temp.move_right()
92. elif event.key == K_w or event.key == K_UP:
93. hero_temp.move_up()
94. elif event.key == K_s or event.key == K_DOWN:
95. hero_temp.move_down()
96. elif event.key == K_SPACE:#检测按键是否是空格键
97. hero_temp.fire()
98. def main():
99. 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
100. pygame.display.set_caption("aircraft game") # 设置窗口标题
101. background = pygame.image.load('./img/background.png')## ./ 当前路径 ../ 上一级路径 / 根目录
102. hero = HeroPlane(screen)
103. enemy_list = []
104. j = 0
105. while True:
106. screen.blit(background, (0, 0)) # 资源中的blit方法能够加载游戏的画面
107. herp_x1, herp_y1, herp_x2, herp_y2, herp_x3, herp_y3 = hero.display() #####刷新
108. if len(enemy_list) <= 10:
109. enemy_list.append(EnemyPlane(screen))
110. if enemy_list[0].y >= 700:
111. del enemy_list[0]
112. for enemy_each in enemy_list :
113. # enemy_each.fire()
114. enemy_each.move()
115. enemy_each.display()
116. # print(len(enemy_list), '个敌机')
117. 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):
118. enemy_list.remove(enemy_each)
119. # print(len(enemy_list), '个敌机')
120. print('jizhon')
121. # print(hero.x,type(hero.x))
122. if j % 100 == 5:
123. print(len(enemy_list),'个敌机')
124. pygame.display.update() ### 加载游戏
125. key_control(hero)# 调用键盘事件函数
126. j += 1
127. # print(herp_x1, herp_y1, herp_x2, herp_y2, herp_x3, herp_y3)
128. if __name__ == '__main__':
129. 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

1. import pygame
2.  
3. class MyPlane(pygame.sprite.Sprite):
4. def __init__(self,bg_size):
5. pygame.sprite.Sprite.__init__(self)
6.  
7. self.image1 = pygame.image.load(r'E:\learn pygame\image\me1.png').convert_alpha()
8. self.image2 = pygame.image.load(r'E:\learn pygame\image\me2.png').convert_alpha()
9. self.image3 = pygame.image.load(r'E:\learn pygame\image\me_protect.png').convert_alpha()
10. self.destroy_images = []
11. self.destroy_images.extend([\
12. pygame.image.load(r'E:\learn pygame\image\me_destroy_1.png').convert_alpha(), \
13. pygame.image.load(r'E:\learn pygame\image\me_destroy_2.png').convert_alpha(), \
14. pygame.image.load(r'E:\learn pygame\image\me_destroy_3.png').convert_alpha(), \
15. pygame.image.load(r'E:\learn pygame\image\me_destroy_4.png').convert_alpha() \
16. ])
17. self.rect = self.image1.get_rect()
18. self.width,self.height = bg_size[0],bg_size[1]
19. self.rect.left,self.rect.top = (self.width - self.rect.width) // 2,self.height - self.rect.height - 60
20. self.speed = 10
21. self.active = True
22. self.invincible = False
23. self.mask = pygame.mask.from_surface(self.image1)
24.  
25. def moveUp(self):
26. if self.rect.top > 0:
27. self.rect.top -= self.speed
28. else:
29. self.rect.top = 0
30.  
31. def moveDown(self):
32. if self.rect.bottom < self.height - 30:
33. self.rect.top += self.speed
34. else:
35. self.rect.bottom = self.height - 30
36.  
37. def moveLeft(self):
38. if self.rect.left > 0:
39. self.rect.left -= self.speed
40. else:
41. self.rect.left = 0
42.  
43. def moveRight(self):
44. if self.rect.right < self.width:
45. self.rect.left += self.speed
46. else:
47. self.rect.right = self.width
48.  
49. def reset(self):
50. self.rect.left,self.rect.top = (self.width - self.rect.width) // 2,self.height - self.rect.height - 30
51. self.active = True
52. self.invincible = True

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