酷应用

用 Python 写个魂斗罗

百家作者：AI100 2022-06-01 19:03:27

作者 |?Python小二

来源 | Python小二

今天分享一个经典小游戏魂斗罗的 Python 版实现。部分代码实现如下：

class?Game_Player():
?def?__init__(self,game_settings,screen):

??self.screen?=?screen
??self.game_settings?=?game_settings
??self.image?=?pygame.image.load('images/PR/player.png')
??self.rect?=?self.image.get_rect()
??self.screen_rect?=?self.screen.get_rect()
??self.screen_center_pos?=?self.screen_rect.centerx
??self.rect.centerx?=?self.screen_rect.centerx
??self.rect.bottom?=?380
??self.center?=?float(self.rect.centerx)
??self.moving_right?=?False
??self.moving_left?=?False
??self.player_moving?=?False
??self.pos_i?=?0.0#跑步画面改变速度
??self.pos_j?=?0.0#跳跃的改变初始速度
??self.pos_n?=?0.0#射击
??self.pos_d?=?0.0
??self.player_direction?=?1#1为右，-1为左
??self.player_down?=?False
??self.player_up?=?False
??self.player_jump?=?False
??self.player_start_Y?=?380#开始人物的高度
??self.player_Y?=?self.player_start_Y
??self.player_shooting?=?False

?def?update(self):
??if?self.game_settings.player_is_alive:
???if?self.moving_right?and?self.rect.right?<?self.screen_rect.right:
????if?self.game_settings.boss_appear:
?????self.center?+=?self.game_settings.player_speed
????elif?self.center?>?self.screen_center_pos:
?????self.center?+=?0
????else:
?????self.center?+=?self.game_settings.player_speed
???if?self.moving_left?and?self.rect.left?>?0:
????self.center?-=?self.game_settings.player_speed
???self.rect.centerx?=?self.center

???self.update_image_moving()
??else:
???self.update_die()

?def?update_die(self):
??self.names?=?locals()
??self.players?=?[]
??for?self.i?in?range(1,3):
???self.names['player_image%s'?%self.i]?=?pygame.image.load('images/PR/death%s.png'?%self.i)
???self.players.append(self.names['player_image%s'?%self.i])
??self.image?=?self.players[int(self.pos_d)]
??self.pos_d?+=?0.1
??if?self.pos_d?>?2.0:
???self.pos_d?=?0.0
???self.game_settings.player_die_end?=?True


?def?update_image_moving_direction(self,direction):#循环图片
??if?self.player_shooting?==?True:
???self.names?=?locals()
???self.players?=?[]
???for?self.i?in?range(1,4):
????self.names['player_image%s'?%self.i]?=?pygame.image.load('images/'+direction+'/shooting%s.png'?%self.i)
????self.players.append(self.names['player_image%s'?%self.i])
???self.image?=?self.players[int(self.pos_n)]
???self.pos_n?+=?0.1#射击时跑步速率
???if?self.pos_n?>?3.0:#射击时跑步有3个动作
????self.pos_n?=?0.0
??else:
???self.names?=?locals()
???self.players?=?[]
???for?self.i?in?range(1,6):
????self.names['player_image%s'?%self.i]?=?pygame.image.load('images/'+direction+'/player%s.png'?%self.i)
????self.players.append(self.names['player_image%s'?%self.i])
???self.image?=?self.players[int(self.pos_i)]
???self.pos_i?+=?0.1#跑步速率
???if?self.pos_i?>?5.0:#跑步有5个动作
????self.pos_i?=?0.0

?def?update_image_jump(self,direction):#循环图片
??if?self.game_settings.player_is_alive:
???if?self.player_jump?==?True:
????self.names1?=?locals()
????self.players1?=?[]
????for?self.j?in?range(1,5):
?????self.names1['player_image%s'?%self.j]?=?pygame.image.load('images/'+direction+'/jump%s.png'?%self.j)
?????self.players1.append(self.names1['player_image%s'?%self.j])
????self.image?=?self.players1[int(self.pos_j)]
????self.pos_j?+=?0.3#跳跃旋转速率
????if?self.pos_j?>?4.0:#跳跃有4个动作
?????self.pos_j?=?0.0
??else:
???self.update_die()


?def?update_image_moving(self):
??if?self.player_moving:
???if?self.moving_right:
????self.update_image_moving_direction('PR')#PR是向右的图片
???elif?self.moving_left:
????self.update_image_moving_direction('PL')

?def?get_player_state(self,player_state):#检测player的状态是否为趴下，向上，跳跃等
??if?self.player_direction?==?1:
???self.image?=?pygame.image.load('images/PR/'+player_state+'.png')
??if?self.player_direction?==?-1:
???self.image?=?pygame.image.load('images/PL/'+player_state+'.png')
??self.rect?=?self.image.get_rect()
??self.rect.centerx?=?self.center

?def?get_player_down(self):
??self.get_player_state('down')
??self.rect.bottom?=?self.player_start_Y
??self.screen.blit(self.image,self.rect)

?def?get_player_up(self):
??self.get_player_state('up')
??self.rect.bottom?=?self.player_start_Y
??self.screen.blit(self.image,self.rect)

?def?get_player_jump(self):
??self.get_player_state('jump1')
??self.rect.bottom?=?self.player_Y
??if?self.game_settings.jump_vel?<?0:
???self.game_settings.jump_vel?+=?0.6#跳跃上升的增加的速率
??elif?self.game_settings.jump_vel?>?0:
???self.game_settings.jump_vel?+=?0.8#跳跃下降增加的速率
??self.player_Y?+=?self.game_settings.jump_vel
??if?self.player_Y?>?self.player_start_Y:
???self.player_jump?=?False
???self.player_Y?=?self.player_start_Y
???self.game_settings.jump_vel?=?-14.0#恢复跳跃开始的速度
???if?self.player_direction?==?1:
????self.image?=?pygame.image.load('images/PR/player.png')
????self.reset_player()
???if?self.player_direction?==?-1:
????self.image?=?pygame.image.load('images/PL/player.png')
????self.reset_player()
??if?self.player_jump?==?True:#判断是否处于跳跃状态来决定是否旋转跳跃的图像
???if?self.player_direction?==?1:
????self.update_image_jump('PR')
???if?self.player_direction?==?-1:
????self.update_image_jump('PL')
??self.screen.blit(self.image,self.rect)

?def?reset_player(self):
??self.rect?=?self.image.get_rect()
??self.rect.centerx?=?self.center
??self.rect.bottom?=?self.player_start_Y
??self.screen.blit(self.image,self.rect)

?def?blitme(self):
??if?self.player_jump:
???self.get_player_jump()
??elif?self.player_down:
???self.get_player_down()
??elif?self.player_up:
???self.get_player_up()
??else:
???self.reset_player()

?def?revive_player(self):
??self.center?=?self.screen_rect.centerx
??self.game_settings.player_is_alive?=?True