今天分享一個經典小遊戲魂鬥羅的 Python 版實現。部分程式碼實現如下：
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#跑步畫面改變速度
self.pos_j = 0.0#跳躍的改變初始速度
self.pos_n = 0.0#射擊
self.pos_d = 0.0
self.player_direction = 1#1為右，-1為左
self.player_down = False
self.player_up = False
self.player_jump = False
self.player_start_Y = 380#開始人物的高度
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):#迴圈圖片
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#射擊時跑步速率
if self.pos_n > 3.0:#射擊時跑步有3個動作
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個動作
self.pos_i = 0.0
def update_image_jump(self,direction):#迴圈圖片
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#跳躍旋轉速率
if self.pos_j > 4.0:#跳躍有4個動作
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是向右的圖片
elif self.moving_left:
self.update_image_moving_direction('PL')
def get_player_state(self,player_state):#檢測player的狀態是否為趴下，向上，跳躍等
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#跳躍上升的增加的速率
elif self.game_settings.jump_vel > 0:
self.game_settings.jump_vel += 0.8#跳躍下降增加的速率
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#恢復跳躍開始的速度
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:#判斷是否處於跳躍狀態來決定是否旋轉跳躍的影像
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
實現效果如下：
操作說明：
- A：向左
- D：向右
- W：跳起
- S：趴下
- J：射擊
- P：退出程式
魂鬥羅及30個Python小遊戲原始碼在公眾號Python小二後臺回覆py小遊戲獲取~