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明天分享一个经典小游戏魂斗罗的 Python 版实现。局部代码实现如下：
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# 跑步画面扭转速度
self.pos_j = 0.0# 跳跃的扭转初始速度
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# 跳跃回升的减少的速率
elif self.game_settings.jump_vel > 0:
self.game_settings.jump_vel += 0.8# 跳跃降落减少的速率
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# 复原跳跃开始的速度
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
实现成果如下：
操作阐明：
- A：向左
- D：向右
- W：跳起
- S：趴下
- J：射击
- P：退出程序
魂斗罗及 30 个 Python 小游戏源码在公众号 Python 小二 后盾回复 py 小游戏 获取~
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