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飞机大战Python全代码 + 图片_python ship.bmp文件源码

python ship.bmp文件源码
  • 1.主要是参考《Python编程从入门到实践》作者:Eric Matthes这本书。
  • 2.我大约敲了两天,看到小游戏可以run时,有一点点小成就感。
  • 3.主要是想学习一下python。
  • 4.我把外星人的图片更改了(着实感觉原alien有点丑),但书籍中的图片我也保存了下来。
  • 5.你需要将所有的文件放在一个文件夹里,并运行其中的alien_invasion.py

 

 1.主函数(文件名 alien_invasion.py) 

  1. import sys
  2. import pygame
  3. from settings import Settings
  4. from ship import Ship
  5. import game_functions as gf
  6. from pygame.sprite import Group
  7. from game_stats import GameStats
  8. from button import Button
  9. from scoreboard import Scoreboard
  10. def run_game():
  11. # 初始化游戏并创建一个屏幕对象
  12. pygame.init()
  13. ai_settings = Settings()
  14. screen = pygame.display.set_mode(
  15. (ai_settings.screen_width, ai_settings.screen_height))
  16. pygame.display.set_caption("Alien Invasion")
  17. #创建Play按钮
  18. play_button = Button(ai_settings, screen, "Play")
  19. #创建一个用于存储游戏统计信息的实例
  20. stats = GameStats(ai_settings)
  21. sb = Scoreboard(ai_settings, screen, stats)
  22. #创建一艘飞船,一个子弹编组,一个外星人编组
  23. ship = Ship(ai_settings, screen)
  24. bullets = Group()
  25. aliens = Group()
  26. #创建外星人群
  27. gf.create_fleet(ai_settings, screen, ship, aliens)
  28. #开始游戏主循环
  29. while True:
  30. #监视键盘和鼠标事件
  31. gf.check_events(ai_settings, screen, stats, sb, play_button, ship, aliens, bullets)
  32. if stats.game_active:
  33. ship.updata()
  34. gf.update_bullets(ai_settings, screen, stats, sb, ship, aliens, bullets)
  35. gf.update_aliens(ai_settings, screen, stats, sb, ship, aliens, bullets)
  36. gf.update_screen(ai_settings, screen, stats, sb, ship, aliens, bullets,
  37. play_button)
  38. run_game()

 

 2.所有设置的类(文件名 settings.py)

  1. class Settings():
  2. """ 存储《飞机大战》的所有设置类"""
  3. def __init__(self):
  4. """初始化游戏的静态设置"""
  5. #屏幕设置
  6. self.screen_width = 1100
  7. self.screen_height = 688
  8. self.bg_color = (230, 230, 230)
  9. #外星人设置
  10. self.fleet_drop_speed = 10
  11. #加快游戏节奏的速度
  12. self.speedup_scale = 1.1
  13. #外星人分数的提高速度
  14. self.score_scale = 1.5
  15. self.initialize_dynamic_settings()
  16. # 飞船的设置
  17. self.ship_limit = 3
  18. #子弹设置
  19. self.bullet_width = 5
  20. self.bullet_height = 15
  21. self.bullet_color = 60, 60, 60
  22. self.bullet_allowed = 10
  23. def initialize_dynamic_settings(self):
  24. """初始化随游戏进行而变化的设置"""
  25. self.ship_speed_factor = 1.5
  26. self.bullet_speed_factor = 3
  27. self.alien_speed_factor = 1
  28. # 一个外星人分值
  29. self.alien_points = 50
  30. # fleet_direction为1表示向右,-1表示向左
  31. self.fleet_direction = 1
  32. def increase_speed(self):
  33. """提高速度设置和外星人点数"""
  34. self.ship_speed_factor *= self.speedup_scale
  35. self.bullet_speed_factor *= self.speedup_scale
  36. self.alien_speed_factor *= self.speedup_scale
  37. self.alien_points = int(self.alien_points * self.score_scale)

 

3.飞船的类(文件名 ship.py)

  1. import pygame
  2. from pygame.sprite import Sprite
  3. class Ship():
  4. def __init__(self,ai_settings, screen):
  5. """初始化飞船图像并设置其初始值"""
  6. super(Ship, self).__init__()
  7. self.screen = screen
  8. self.ai_settings = ai_settings
  9. #加载飞船图像并获取其外界矩形
  10. self.image = pygame.image.load('images/ship.bmp')
  11. self.rect = self.image.get_rect()
  12. self.screen_rect = screen.get_rect()
  13. # 将每艘飞船放在屏幕底部中央
  14. self.rect.centerx = self.screen_rect.centerx
  15. self.rect.bottom = self.screen_rect.bottom
  16. #在飞船的树形center中存储小数值
  17. self.center = float(self.rect.centerx)
  18. # 移动标志
  19. self.moving_right = False
  20. self.moving_left = False
  21. def updata(self):
  22. """根据移动标志调整飞船的位置"""
  23. if self.moving_right and self.rect.right < self.screen_rect.right:
  24. self.center += self.ai_settings.ship_speed_factor
  25. if self.moving_left and self.rect.left > 0:
  26. self.center -= self.ai_settings.ship_speed_factor
  27. # 根据self.centex更新rect对象
  28. self.rect.centerx = self.center
  29. def blitme(self):
  30. """在指定位置绘制飞船"""
  31. self.screen.blit(self.image, self.rect)
  32. def center_ship(self):
  33. """让飞船在屏幕上居中"""
  34. self.center = self.screen_rect.centerx

 

4.最重要的一个,游戏主功能(文件名 game_functions.py)

  1. import sys
  2. import pygame
  3. from bullet import Bullet
  4. from alien import Alien
  5. from time import sleep
  6. def get_number_aliens_x(ai_settings, alien_width):
  7. """计算一行可容纳多少个外星人"""
  8. available_space_x = ai_settings.screen_width - 2 * alien_width
  9. number_aliens_x = int(available_space_x / (2 * alien_width))
  10. return number_aliens_x
  11. def get_number_rows(ai_settings, ship_height, alien_height):
  12. """计算屏幕可容纳多少行外星人"""
  13. available_space_y = (ai_settings.screen_height -
  14. (3 * alien_height) - ship_height)
  15. number_rows = int(available_space_y / (2 * alien_height))
  16. return number_rows
  17. def creat_alien(ai_settings, screen, aliens, alien_number, row_number):
  18. # 创建一个外星人并将其加入当前行
  19. alien = Alien(ai_settings, screen)
  20. alien_width = alien.rect.width
  21. alien.x = alien_width + 2 * alien_width * alien_number
  22. alien.rect.x = alien.x
  23. alien.rect.y = alien.rect.height + 2 * alien.rect.height * row_number
  24. aliens.add(alien)
  25. def create_fleet(ai_sittings, screen, ship, aliens):
  26. #外星人间距为外星人宽度
  27. alien = Alien(ai_sittings, screen)
  28. number_aliens_x = get_number_aliens_x(ai_sittings, alien.rect.width)
  29. number_rows = get_number_rows(ai_sittings, ship.rect.height, alien.rect.height)
  30. #创建外星人群
  31. for row_number in range(number_rows):
  32. #创建第一个外星人
  33. for alien_number in range(number_aliens_x):
  34. creat_alien(ai_sittings, screen, aliens, alien_number, row_number)
  35. def check_keydown_events(event, ai_settings, screen, ship, bullets):
  36. if event.key == pygame.K_RIGHT:
  37. # 向右移动飞船
  38. ship.moving_right = True
  39. elif event.key == pygame.K_LEFT:
  40. ship.moving_left = True
  41. elif event.key == pygame.K_SPACE:
  42. #创建新子弹并将其加入到编组bullets中
  43. fire_bullet(ai_settings, screen, ship, bullets)
  44. elif event.key == pygame.K_q:
  45. sys.exit()
  46. def fire_bullet(ai_settings, screen, ship, bullets):
  47. """如果还没到达限制,就发射一颗子弹"""
  48. #创建新子弹并将其加入到编组bullets中
  49. if len(bullets) < ai_settings.bullet_allowed:
  50. new_bullet = Bullet(ai_settings, screen, ship)
  51. bullets.add(new_bullet)
  52. def check_keyup_events(event, ship):
  53. if event.key == pygame.K_RIGHT:
  54. ship.moving_right = False
  55. elif event.key == pygame.K_LEFT:
  56. ship.moving_left = False
  57. def check_events(ai_settings, screen, stats, sb, play_button, ship, aliens, bullets):
  58. """响应按键和鼠标事件"""
  59. for event in pygame.event.get():
  60. if event.type == pygame.QUIT:
  61. sys.exit()
  62. elif event.type == pygame.KEYDOWN:
  63. check_keydown_events(event, ai_settings, screen, ship, bullets)
  64. elif event.type == pygame.KEYUP:
  65. check_keyup_events(event, ship)
  66. elif event.type == pygame.MOUSEBUTTONDOWN:
  67. mouse_x, mouse_y = pygame.mouse.get_pos()
  68. check_play_button(ai_settings, screen, stats, sb, play_button, ship,
  69. aliens, bullets, mouse_x, mouse_y)
  70. def check_play_button(ai_settings, screen, stats, sb, play_button, ship,
  71. aliens, bullets, mouse_x, mouse_y):
  72. """在玩家单击Play按钮时开始游戏"""
  73. button_clicked = play_button.rect.collidepoint(mouse_x, mouse_y)
  74. if button_clicked and not stats.game_active:
  75. #重置游戏设置
  76. ai_settings.initialize_dynamic_settings()
  77. #隐藏光标
  78. pygame.mouse.set_visible(False)
  79. # 重置游戏统计信息
  80. stats.reset_stats()
  81. stats.game_active = True
  82. #重置记分牌图像
  83. sb.prep_score()
  84. sb.prep_high_score()
  85. sb.prep_level()
  86. sb.prep_ships()
  87. # 清空外星人列表和子弹列表
  88. aliens.empty()
  89. bullets.empty()
  90. # 创建一群新的外星人,并让飞船居中
  91. create_fleet(ai_settings, screen, ship, aliens)
  92. ship.center_ship()
  93. def update_screen(ai_settings, screen, stats, sb, ship, alien, bullets, play_button):
  94. """更新屏幕上的图像,并切换到新屏幕"""
  95. screen.fill(ai_settings.bg_color)
  96. #在飞船和外星人后面重绘所有子弹
  97. for bullet in bullets.sprites():
  98. bullet.draw_bullet()
  99. ship.blitme()
  100. alien.draw(screen)
  101. #显示得分
  102. sb.show_score()
  103. # 如果游戏处于非活动状态就绘制Play按钮
  104. if not stats.game_active:
  105. play_button.draw_button()
  106. #让最近绘制的屏幕可见
  107. pygame.display.flip()
  108. def update_bullets(ai_settings, screen, stats, sb, ship, aliens, bullets):
  109. """更新子弹的位置,并删除已消失的子弹"""
  110. #更新子弹的位置
  111. bullets.update()
  112. for bullet in bullets.copy():
  113. if bullet.rect.bottom <= 0:
  114. bullets.remove(bullet)
  115. #print(len(bullets))
  116. check_bullet_alien_collisions(ai_settings, screen, stats, sb, ship, aliens, bullets)
  117. def check_bullet_alien_collisions(ai_settings, screen, stats, sb, ship, aliens, bullets):
  118. #检查是否有子弹击中外星人
  119. #如果击中,就删除相应的子弹和外星人
  120. collisions = pygame.sprite.groupcollide(bullets, aliens, True, True)
  121. if collisions:
  122. for aliens in collisions.values():
  123. stats.score += ai_settings.alien_points
  124. sb.prep_score()
  125. check_high_score(stats, sb)
  126. if len(aliens) == 0:
  127. #删除现有的子弹,加快游戏节奏,并创建一群新的外星人
  128. #如果整群外星人都被消灭就提高一个等级
  129. bullets.empty()
  130. ai_settings.increase_speed()
  131. #提高等级
  132. stats.level += 1
  133. sb.prep_level()
  134. create_fleet(ai_settings, screen, ship, aliens)
  135. def check_fleet_edges(ai_settings, aliens):
  136. """有外星人到达边缘时采取相应措施"""
  137. for alien in aliens.sprites():
  138. if alien.check_edges():
  139. change_fleet_direction(ai_settings, aliens)
  140. break
  141. def change_fleet_direction(ai_settings, aliens):
  142. """将整群外星人下移,并改变它们的方向"""
  143. for alien in aliens.sprites():
  144. alien.rect.y += ai_settings.fleet_drop_speed
  145. ai_settings.fleet_direction *= -1
  146. def ship_hit(ai_settings, screen, stats, sb, ship, aliens, bullets):
  147. """响应被外星人撞到的飞船"""
  148. if stats.ships_left > 0:
  149. # Decrement ships_left.
  150. stats.ships_left -= 1
  151. #更新记分牌
  152. sb.prep_ships()
  153. else:
  154. stats.game_active = False
  155. pygame.mouse.set_visible(True)
  156. # 清空外星人列表和子弹列表
  157. aliens.empty()
  158. bullets.empty()
  159. # 创建一群新的外星人,并将飞船放到屏幕底端中央
  160. create_fleet(ai_settings, screen, ship, aliens)
  161. ship.center_ship()
  162. # 暂停
  163. sleep(0.5)
  164. def check_aliens_bottom(ai_settings, screen, stats, sb, ship, aliens, bullets):
  165. """检查是否有外星人到达屏幕底端"""
  166. screen_rect = screen.get_rect()
  167. for alien in aliens.sprites():
  168. if alien.rect.bottom >= screen_rect.bottom:
  169. # 像飞船被撞到一样处理
  170. ship_hit(ai_settings, screen, stats, sb, ship, aliens, bullets)
  171. break
  172. def update_aliens(ai_settings, screen, stats, sb, ship, aliens, bullets):
  173. """检查是否有外星人位于屏幕边缘,并更新整群外星人的位置"""
  174. check_fleet_edges(ai_settings, aliens)
  175. aliens.update()
  176. #检查外乡人和飞船之间的碰撞
  177. if pygame.sprite.spritecollideany(ship, aliens):
  178. ship_hit(ai_settings, screen, stats, sb, ship, aliens, bullets)
  179. #检查是否有外星人到达屏幕底端
  180. check_aliens_bottom(ai_settings, screen, stats, sb, ship, aliens, bullets)
  181. def check_high_score(stats, sb):
  182. """检查是够诞生了最高得分"""
  183. if stats.score > stats.high_score:
  184. stats.high_score = stats.score
  185. sb.prep_high_score()

 

5.子弹管理的类(文件名 bullet.py)

  1. import pygame
  2. from pygame.sprite import Sprite
  3. class Bullet(Sprite):
  4. """一个对飞船发射的子弹进行管理的类"""
  5. def __init__(self, ai_settings, screen, ship):
  6. """在飞船所处的位置创建一个子弹对象"""
  7. super(Bullet, self).__init__()
  8. self.screen = screen
  9. #在(0,0)处创建一个表示子弹的矩形,再设置正确的位置
  10. self.rect = pygame.Rect(0, 0, ai_settings.bullet_width,
  11. ai_settings.bullet_height)
  12. self.rect.centerx = ship.rect.centerx
  13. self.rect.top = ship.rect.top
  14. #存储用小数表示的子弹位置
  15. self.y = float(self.rect.y)
  16. self.color = ai_settings.bullet_color
  17. self.speed_factor = ai_settings.bullet_speed_factor
  18. def update(self):
  19. """向上移动子弹"""
  20. #更新表示子弹位置的小数值
  21. self.y -= self.speed_factor
  22. #更新表示子弹的rect的位置
  23. self.rect.y = self.y
  24. def draw_bullet(self):
  25. """在屏幕上绘制子弹"""
  26. pygame.draw.rect(self.screen, self.color, self.rect)

 

6.外星人的类(alien.py)

  1. import pygame
  2. from pygame.sprite import Sprite
  3. class Alien(Sprite):
  4. """表示单个外星人的类"""
  5. def __init__(self, ai_settings, screen):
  6. """初始化外星人并设置其起始位置"""
  7. super(Alien , self).__init__()
  8. self.screen = screen
  9. self.ai_settings = ai_settings
  10. #加载外星人图像,并设置其rect属性
  11. self.image = pygame.image.load('images/aliens.bmp')
  12. self.rect = self.image.get_rect()
  13. #每个外星人最初都在屏幕左上角附近
  14. self.rect.x = self.rect.width
  15. self.rect.y = self.rect.height
  16. #存储外星人的准确位置
  17. self.x = float(self.rect.x)
  18. def blitme(self):
  19. """在指定位置绘制外星人"""
  20. self.screen.blit(self.image, self.rect)
  21. def check_edges(self):
  22. """Return True if alien is at edge of screen."""
  23. screen_rect = self.screen.get_rect()
  24. if self.rect.right >= screen_rect.right:
  25. return True
  26. elif self.rect.left <= 0:
  27. return True
  28. def update(self):
  29. """向右移动外星人"""
  30. self.x += (self.ai_settings.alien_speed_factor *
  31. self.ai_settings.fleet_direction)
  32. self.rect.x = self.x

 

7.游戏统计信息的类(文件名 game_stats.py)

  1. class GameStats():
  2. """跟踪游戏的统计信息"""
  3. def __init__(self, ai_settings):
  4. """初始化统计信息"""
  5. self.ai_settings = ai_settings
  6. self.reset_stats()
  7. # 游戏刚启动时处于活动状态
  8. self.game_active = False
  9. #在任何情况都不重置最高得分
  10. self.high_score = 0
  11. def reset_stats(self):
  12. """初始化随游戏运行可能变化的统计信息"""
  13. self.ships_left = self.ai_settings.ship_limit
  14. self.score = 0
  15. self.level = 1

 

8.按钮的类(文件名 button.py)

  1. import pygame.font
  2. class Button():
  3. def __init__(self, ai_settings, screen, msg):
  4. """初始化按钮的属性"""
  5. self.screen = screen
  6. self.screen_rect = screen.get_rect()
  7. # 设置按钮的尺寸和其它属性
  8. self.width, self.height = 200, 50
  9. self.button_color = (0, 255, 0)
  10. self.text_color = (255, 255, 255)
  11. self.font = pygame.font.SysFont(None, 48)
  12. # 创建按钮的rect对象,并使其居中
  13. self.rect = pygame.Rect(0, 0, self.width, self.height)
  14. self.rect.center = self.screen_rect.center
  15. # 按钮标签只需创建一次
  16. self.prep_msg(msg)
  17. def prep_msg(self, msg):
  18. """ 将msg渲染为图像,并使其在按钮上居中"""
  19. self.msg_image = self.font.render(msg, True, self.text_color,
  20. self.button_color)
  21. self.msg_image_rect = self.msg_image.get_rect()
  22. self.msg_image_rect.center = self.rect.center
  23. def draw_button(self):
  24. # 绘制一个用颜色填充的按钮,再绘制文本
  25. self.screen.fill(self.button_color, self.rect)
  26. self.screen.blit(self.msg_image, self.msg_image_rect)

 

9.显示得分的类(文件名 scoreboard.py)

  1. import pygame.font
  2. from pygame.sprite import Group
  3. from ship import Ship
  4. class Scoreboard():
  5. """显示得分信息的类"""
  6. def __init__(self, ai_settings, screen, stats):
  7. """初始化显示得分的属性"""
  8. self.screen = screen
  9. self.screen_rect = screen.get_rect()
  10. self.ai_settings = ai_settings
  11. self.stats = stats
  12. # 显示得分时使用的字体设置
  13. self.text_color = (30, 30, 30)
  14. self.font = pygame.font.SysFont(None, 48)
  15. #准备包含最高得分和当前得分的图像
  16. self.prep_score()
  17. self.prep_high_score()
  18. self.prep_level()
  19. self.prep_ships()
  20. def prep_score(self):
  21. """将得分转换为一幅渲染的图像"""
  22. rounded_score = int(round(self.stats.score, -1))
  23. score_str = "Score: {:,}".format(rounded_score)
  24. self.score_image = self.font.render(score_str, True, self.text_color,
  25. self.ai_settings.bg_color)
  26. # 将得分放在屏幕右上角
  27. self.score_rect = self.score_image.get_rect()
  28. self.score_rect.right = self.screen_rect.right - 20
  29. self.score_rect.top = 20
  30. def prep_high_score(self):
  31. """将最高得分转换为一幅渲染的图像"""
  32. high_score = int(round(self.stats.high_score, -1))
  33. high_score_str = "High score:{:,}".format(high_score)
  34. self.high_score_image = self.font.render(high_score_str, True,
  35. self.text_color, self.ai_settings.bg_color)
  36. #将最高得分放在屏幕顶部中央
  37. self.high_score_rect = self.high_score_image.get_rect()
  38. self.high_score_rect.centerx = self.screen_rect.centerx
  39. self.high_score_rect.top = self.score_rect.top
  40. def prep_level(self):
  41. """将等级转换为渲染的图像"""
  42. self.level_image = self.font.render(str(self.stats.level), True,
  43. self.text_color, self.ai_settings.bg_color)
  44. # 将等级放在得分下面
  45. self.level_rect = self.level_image.get_rect()
  46. self.level_rect.right = self.score_rect.right
  47. self.level_rect.top = self.score_rect.bottom + 10
  48. def prep_ships(self):
  49. """显示剩余多少飞船."""
  50. self.ships = Group()
  51. for ship_number in range(self.stats.ships_left):
  52. ship = Ship(self.ai_settings, self.screen)
  53. ship.rect.x = 10 + ship_number * ship.rect.width
  54. ship.rect.y = 10
  55. self.ships.add_internal(ship)
  56. def show_score(self):
  57. """在屏幕上显示飞船和得分"""
  58. self.screen.blit(self.score_image, self.score_rect)
  59. self.screen.blit(self.high_score_image, self.high_score_rect)
  60. self.screen.blit(self.level_image, self.level_rect)
  61. # 绘制飞船
  62. self.ships.draw(self.screen)

 

10.飞船和外星人的图片如下,并且你需要将它们放在同一个文件夹里并命名为 images

    命名为 alien.bmp

   命名为aliens.bmp

   命名为 ship.bmp

 

 

运行时的页面就下面这样的呢

 鼠标点击Play开始,Q键可以结束游戏

右上角数字1表示等级,随着清理完一次飞船,等级+1

随着游戏的进行,外星人的速度越来越快,且得分也越来越高

总共有三条命,用完则此局结束

速度,得分和子弹的设置都在代码settings里

 

谢谢大家!

如果你觉得还不错,可以点个关注点个赞嘛谢谢!

 

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