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用 Python 写个魂斗罗

  • AI科技大本营
  • 2022年6月01日06时
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：
classGame_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

defupdate(self):
ifself.game_settings.player_is_alive:
ifself.moving_rightandself.rect.right<self.screen_rect.right:
ifself.game_settings.boss_appear:
self.center+=self.game_settings.player_speed
elifself.center>self.screen_center_pos:
self.center+=0
else:
self.center+=self.game_settings.player_speed
ifself.moving_leftandself.rect.left>0:
self.center-=self.game_settings.player_speed
self.rect.centerx=self.center

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

defupdate_die(self):
self.names=locals()
self.players=[]
forself.iinrange(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
ifself.pos_d>2.0:
self.pos_d=0.0
self.game_settings.player_die_end=True


defupdate_image_moving_direction(self,direction):#循环图片
ifself.player_shooting==True:
self.names=locals()
self.players=[]
forself.iinrange(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
ifself.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=[]
forself.iinrange(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
ifself.pos_i>5.0:#跑步有5个动作
self.pos_i=0.0

defupdate_image_jump(self,direction):#循环图片
ifself.game_settings.player_is_alive:
ifself.player_jump==True:
self.names1=locals()
self.players1=[]
forself.jinrange(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
ifself.pos_j>4.0:#跳跃有4个动作
self.pos_j=0.0
else:
self.update_die()


defupdate_image_moving(self):
ifself.player_moving:
ifself.moving_right:
self.update_image_moving_direction('PR')#PR是向右的图片
elifself.moving_left:
self.update_image_moving_direction('PL')

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

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

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

defget_player_jump(self):
self.get_player_state('jump1')
self.rect.bottom=self.player_Y
ifself.game_settings.jump_vel<0:
self.game_settings.jump_vel+=0.6#跳跃上升的增加的速率
elifself.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
ifself.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
ifself.player_direction==1:
self.image=pygame.image.load('images/PR/player.png')
self.reset_player()
ifself.player_direction==-1:
self.image=pygame.image.load('images/PL/player.png')
self.reset_player()
ifself.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
ifself.player_direction==1:
self.update_image_jump('PR')
ifself.player_direction==-1:
self.update_image_jump('PL')
self.screen.blit(self.image,self.rect)

defreset_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)

defblitme(self):
ifself.player_jump:
self.get_player_jump()
elifself.player_down:
self.get_player_down()
elifself.player_up:
self.get_player_up()
else:
self.reset_player()

defrevive_player(self):
self.center=self.screen_rect.centerx
self.game_settings.player_is_alive=True

实现效果点击下方视频查看：

操作说明：

  • A：向左

  • D：向右

  • W：跳起

  • S：趴下

  • J：射击

  • P：退出程序

目前游戏还是比较初级的版本，有兴趣的小伙伴可以自行修改完善。


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