这几天看到抖音上有个妹子下象棋超级猛，我的中国象棋也差不到哪去啊，走 做一个。。。。
一、运行效果
二、代码
下面的代码用到图片素材（images文件夹），下载地址如下：https://www.itprojects.cn/web/material/details.html?id=8
完成代码如下：
""" 作者：it项目实例网 网址：www.itprojects.cn """ import sys import pygame # 要显示的窗口的宽、高 WIDTH, HEIGHT = 750, 667 class ClickBox(pygame.sprite.Sprite): """ 选中棋子对象 """ singleton = None def __new__(cls, *args, **kwargs): if cls.singleton is None: cls.singleton = super().__new__(cls) return cls.singleton def __init__(self, screen, row, col, team): super().__init__() self.image = pygame.image.load("images/r_box.png") self.rect = self.image.get_rect() self.row, self.col = row, col self.rect.topleft = (50 + self.col * 57, 50 + self.row * 57) self.screen = screen self.team = team @classmethod def show(cls): if cls.singleton: cls.singleton.screen.blit(cls.singleton.image, cls.singleton.rect) @classmethod def clean(cls): """ 清理上次的对象 """ cls.singleton = None class Dot(pygame.sprite.Sprite): """ 可落棋子类 """ group = list() def __init__(self, screen, position): super().__init__() self.image = pygame.image.load("images/dot2.png") self.rect = self.image.get_rect() self.row, self.col = position # 将元组拆包 self.rect.topleft = (60 + self.col * 57, 60 + self.row * 57) self.group.append(self) self.screen = screen @classmethod def show(cls): for dot in cls.group: dot.screen.blit(dot.image, dot.rect) @classmethod def clean_last_postion(cls): """ 清除上次落子位置 """ cls.group.clear() @classmethod def click(cls): """ 点击棋子 """ for dot in cls.group: if pygame.mouse.get_pressed()[0] and dot.rect.collidepoint(pygame.mouse.get_pos()): print("被点击了「可落子」对象") return dot class Chess(pygame.sprite.Sprite): """ 棋子类 """ def __init__(self, screen, chess_name, row, col): self.screen = screen self.image = pygame.image.load("images/" + chess_name + ".png") self.rect = self.image.get_rect() self.rect.topleft = (50 + col * 57, 50 + row * 57) self.team = chess_name[0] # 队伍（红方 r、黑方b） self.name = chess_name[2] # 名字（炮p、马m等） self.row = row self.col = col def show(self): self.screen.blit(self.image, self.rect) @staticmethod def click(player, chesses): """ 点击棋子 """ for chess in chesses: if pygame.mouse.get_pressed()[0] and chess.rect.collidepoint(pygame.mouse.get_pos()): if player == chess.team: print("被点击了") return chess def update_postion(self, new_row, new_col): """ 更新要显示的图片的坐标 """ self.row = new_row self.col = new_col self.rect.topleft = (50 + new_col * 57, 50 + new_row * 57) class ChessBoard(object): """ 棋盘类 """ def __init__(self, screen): self.screen = screen self.image = pygame.image.load("images/bg.png") self.topleft = (50, 50) self.__create_default_chess() def __create_default_chess(self): """ 创建默认棋子 """ self.map = [ ["b_c", "b_m", "b_x", "b_s", "b_j", "b_s", "b_x", "b_m", "b_c"], ["", "", "", "", "", "", "", "", ""], ["", "b_p", "", "", "", "", "", "b_p", ""], ["b_z", "", "b_z", "", "b_z", "", "b_z", "", "b_z"], ["", "", "", "", "", "", "", "", ""], ["", "", "", "", "", "", "", "", ""], ["r_z", "", "r_z", "", "r_z", "", "r_z", "", "r_z"], ["", "r_p", "", "", "", "", "", "r_p", ""], ["", "", "", "", "", "", "", "", ""], ["r_c", "r_m", "r_x", "r_s", "r_j", "r_s", "r_x", "r_m", "r_c"], ] for row, line in enumerate(self.map): for col, chess_name in enumerate(line): if chess_name: # 将创建的棋子添加到属性map中 self.map[row][col] = Chess(self.screen, chess_name, row, col) else: self.map[row][col] = None def show(self): # 显示棋盘 self.screen.blit(self.image, self.topleft) # 显示棋盘上的所有棋子 for line_chess in self.map: for chess in line_chess: if chess: chess.show() def get_put_down_postion(self, clicked_chess): """ 计算当前棋子可以移动的位置 """ # 存储当前棋子可以落子的位置 all_position = list() # 拿到当前棋子的行、列 row, col = clicked_chess.row, clicked_chess.col # 拿到当前棋子的team，即时红方r还是黑方b team = clicked_chess.team # 计算当前选中棋子的所有可以落子位置 if clicked_chess.name == "p": # 炮 # 一行 direction_left_chess_num = 0 direction_right_chess_num = 0 for i in range(1, 9): # 计算当前行中，棋子左边与右边可以落子的位置 # 左边位置没有越界 if direction_left_chess_num >= 0 and col - i >= 0: if not self.map[row][col - i] and direction_left_chess_num == 0: # 如果没有棋子,则将当前位置组成一个元组，添加到列表 all_position.append((row, col - i)) elif self.map[row][col - i]: # 如果当前位置有棋子，那么就判断是否能够吃掉它 direction_left_chess_num += 1 if direction_left_chess_num == 2 and self.map[row][col - i].team != team: all_position.append((row, col - i)) direction_left_chess_num = -1 # 让其不能够在下次for循环时再次判断 # 右边位置没有越界 if direction_right_chess_num >= 0 and col + i <= 8: if not self.map[row][col + i] and direction_right_chess_num == 0: # 如果没有棋子,则将当前位置组成一个元组，添加到列表 all_position.append((row, col + i)) elif self.map[row][col + i]: # 如果当前位置有棋子，那么就判断是否能够吃掉它 direction_right_chess_num += 1 if direction_right_chess_num == 2 and self.map[row][col + i].team != team: all_position.append((row, col + i)) direction_right_chess_num = -1 # 一列 direction_up_chess_num = 0 direction_down_chess_num = 0 for i in range(1, 10): # 这样就让i从1开始，而不是从0 # 计算当前列中，棋子上边与下边可以落子的位置 # 上边位置没有越界 if direction_up_chess_num >= 0 and row - i >= 0: if not self.map[row - i][col] and direction_up_chess_num == 0: # 如果没有棋子,则将当前位置组成一个元组，添加到列表 all_position.append((row - i, col)) elif self.map[row - i][col]: # 如果当前位置有棋子，那么就判断是否能够吃掉它 direction_up_chess_num += 1 if direction_up_chess_num == 2 and self.map[row - i][col].team != team: all_position.append((row - i, col)) direction_up_chess_num = -1 # 下边位置没有越界 if direction_down_chess_num >= 0 and row + i <= 9: if not self.map[row + i][col] and direction_down_chess_num == 0: # 如果没有棋子,则将当前位置组成一个元组，添加到列表 all_position.append((row + i, col)) elif self.map[row + i][col]: # 如果当前位置有棋子，那么就判断是否能够吃掉它 direction_down_chess_num += 1 if direction_down_chess_num == 2 and self.map[row + i][col].team != team: all_position.append((row + i, col)) direction_down_chess_num = -1 elif clicked_chess.name == "z": # 卒 if team == "r": # 红方 if row - 1 >= 0: # 只能向上移动 if not self.map[row - 1][col] or self.map[row - 1][col].team != team: all_position.append((row - 1, col)) else: # 黑方 if row + 1 <= 9: # 只能向下移动 if not self.map[row + 1][col] or self.map[row + 1][col].team != team: all_position.append((row + 1, col)) # 左右判断 if (team == "r" and 0 <= row <= 4) or (team == "b" and 5 <= row <= 9): # 左、右一步 # 左 if col - 1 >= 0 and (not self.map[row][col - 1] or self.map[row][col - 1].team != team): all_position.append((row, col - 1)) # 右 if col + 1 <= 8 and (not self.map[row][col + 1] or self.map[row][col + 1].team != team): all_position.append((row, col + 1)) elif clicked_chess.name == "c": # 车 # 一行 left_stop = False right_stop = False for i in range(1, 9): # 左边位置没有越界且没有遇到任何一个棋子 if not left_stop and col - i >= 0: if not self.map[row][col - i]: # 如果没有棋子,则将当前位置组成一个元组，添加到列表 all_position.append((row, col - i)) else: left_stop = True if self.map[row][col - i].team != team: # 如果当前位置有棋子，那么就判断是否能够吃掉它 all_position.append((row, col - i)) # 右边位置没有越界且没有遇到任何一个棋子 if not right_stop and col + i <= 8: if not self.map[row][col + i]: # 如果没有棋子,则将当前位置组成一个元组，添加到列表 all_position.append((row, col + i)) else: right_stop = True if self.map[row][col + i].team != team: # 如果当前位置有棋子，那么就判断是否能够吃掉它 all_position.append((row, col + i)) # 一列 up_stop = False down_stoop = False for i in range(1, 10): # 上边位置没有越界且没有遇到任何一个棋子 if not up_stop and row - i >= 0: if not self.map[row - i][col]: # 如果没有棋子,则将当前位置组成一个元组，添加到列表 all_position.append((row - i, col)) else: up_stop = True if self.map[row - i][col].team != team: # 如果当前位置有棋子，那么就判断是否能够吃掉它 all_position.append((row - i, col)) # 下边位置没有越界且没有遇到任何一个棋子 if not down_stoop and row + i <= 9: if not self.map[row + i][col]: # 如果没有棋子,则将当前位置组成一个元组，添加到列表 all_position.append((row + i, col)) else: down_stoop = True if self.map[row + i][col].team != team: # 如果当前位置有棋子，那么就判断是否能够吃掉它 all_position.append((row + i, col)) elif clicked_chess.name == "m": # 马 # 需要判断的是4个方向，每个方向对应2个位置 # 上方 if row - 1 >= 0 and not self.map[row - 1][col]: # 如果当前棋子没有被蹩马腿，那么再对这个方向的2个位置进行判断 # 左上 if row - 2 >= 0 and col - 1 >= 0 and (not self.map[row - 2][col - 1] or self.map[row - 2][col - 1].team != team): all_position.append((row - 2, col - 1)) # 右上 if row - 2 >= 0 and col + 1 <= 8 and (not self.map[row - 2][col + 1] or self.map[row - 2][col + 1].team != team): all_position.append((row - 2, col + 1)) # 下方 if row + 1 <= 9 and not self.map[row + 1][col]: # 如果当前棋子没有被蹩马腿，那么再对这个方向的2个位置进行判断 # 左下 if row + 2 >= 0 and col - 1 >= 0 and (not self.map[row + 2][col - 1] or self.map[row + 2][col - 1].team != team): all_position.append((row + 2, col - 1)) # 右下 if row + 2 >= 0 and col + 1 <= 8 and (not self.map[row + 2][col + 1] or self.map[row + 2][col + 1].team != team): all_position.append((row + 2, col + 1)) # 左方 if col - 1 >= 0 and not self.map[row][col - 1]: # 如果当前棋子没有被蹩马腿，那么再对这个方向的2个位置进行判断 # 左上2（因为有左上了，暂且称为左上2吧） if row - 1 >= 0 and col - 2 >= 0 and (not self.map[row - 1][col - 2] or self.map[row - 1][col - 2].team != team): all_position.append((row - 1, col - 2)) # 左下2 if row + 1 <= 9 and col - 2 >= 0 and (not self.map[row + 1][col - 2] or self.map[row + 1][col - 2].team != team): all_position.append((row + 1, col - 2)) # 右方 if col + 1 <= 8 and not self.map[row][col + 1]: # 如果当前棋子没有被蹩马腿，那么再对这个方向的2个位置进行判断 # 右上2（因为有右上了，暂且称为右上2吧） if row - 1 >= 0 and col + 2 <= 8 and (not self.map[row - 1][col + 2] or self.map[row - 1][col + 2].team != team): all_position.append((row - 1, col + 2)) # 右下2 if row + 1 <= 9 and col + 2 <= 8 and (not self.map[row + 1][col + 2] or self.map[row + 1][col + 2].team != team): all_position.append((row + 1, col + 2)) elif clicked_chess.name == "x": # 象 # 因为象是不能过河的，所以要计算出它们可以移动的行的范围 row_start, row_stop = (0, 4) if team == "b" else (5, 9) # 有4个方向的判断(没有越界，且没有蹩象腿) if row - 2 >= row_start and col - 2 >= 0 and not self.map[row - 1][col - 1]: # 左上 if not self.map[row - 2][col - 2] or self.map[row - 2][col - 2].team != team: all_position.append((row - 2, col - 2)) if row - 2 >= row_start and col + 2 <= 8 and not self.map[row - 1][col + 1]: # 右上 if not self.map[row - 2][col + 2] or self.map[row - 2][col + 2].team != team: all_position.append((row - 2, col + 2)) if row + 2 <= row_stop and col - 2 >= 0 and not self.map[row + 1][col - 1]: # 左下 if not self.map[row + 2][col - 2] or self.map[row + 2][col - 2].team != team: all_position.append((row + 2, col - 2)) if row + 2 <= row_stop and col + 2 <= 8 and not self.map[row + 1][col + 1]: # 右下 if not self.map[row + 2][col + 2] or self.map[row + 2][col + 2].team != team: all_position.append((row + 2, col + 2)) elif clicked_chess.name == "s": # 士 # 因为士是不能过河的，所以要计算出它们可以移动的行的范围 row_start, row_stop = (0, 2) if team == "b" else (7, 9) if row - 1 >= row_start and col - 1 >= 3 and (not self.map[row - 1][col - 1] or self.map[row - 1][col - 1].team != team): all_position.append((row - 1, col - 1)) if row - 1 >= row_start and col + 1 <= 5 and (not self.map[row - 1][col + 1] or self.map[row - 1][col + 1].team != team): all_position.append((row - 1, col + 1)) if row + 1 <= row_stop and col - 1 >= 3 and (not self.map[row + 1][col - 1] or self.map[row + 1][col - 1].team != team): all_position.append((row + 1, col - 1)) if row + 1 <= row_stop and col + 1 <= 5 and (not self.map[row + 1][col + 1] or self.map[row + 1][col + 1].team != team): all_position.append((row + 1, col + 1)) elif clicked_chess.name == "j": # 将 # 因为"将"是不能过河的，所以要计算出它们可以移动的行的范围 row_start, row_stop = (0, 2) if team == "b" else (7, 9) # 有4个方向的判断 if row - 1 >= row_start and (not self.map[row - 1][col] or self.map[row - 1][col].team != team): all_position.append((row - 1, col)) if row + 1 <= row_stop and (not self.map[row + 1][col] or self.map[row + 1][col].team != team): all_position.append((row + 1, col)) if col - 1 >= 3 and (not self.map[row][col - 1] or self.map[row][col - 1].team != team): all_position.append((row, col - 1)) if col + 1 <= 5 and (not self.map[row][col + 1] or self.map[row][col + 1].team != team): all_position.append((row, col + 1)) all_position = self.judge_delete_position(all_position, clicked_chess) # 返回可以落子的所有位置 return all_position def judge_delete_position(self, all_position, clicked_chess): """ 删除被"将军"的位置 """ # 定义要删除的列表 deleting_position = list() # 判断这些位置，是否会导致被"将军"，如果是则从列表中删除这个位置 for row, col in all_position: # 1. 备份 # 备份当前棋子位置 old_row, old_col = clicked_chess.row, clicked_chess.col # 备份要落子的位置的棋子(如果没有，则为None) position_chess_backup = self.map[row][col] # 2. 挪动位置 # 移动位置 self.map[row][col] = self.map[old_row][old_col] # 修改棋子的属性 self.map[row][col].update_postion(row, col) # 清楚之前位置为None self.map[old_row][old_col] = None # 3. 判断对方是否可以发起"将军" if self.judge_attack_general("b" if clicked_chess.team == "r" else "r"): deleting_position.append((row, col)) # 4. 恢复到之前位置 self.map[old_row][old_col] = self.map[row][col] self.map[old_row][old_col].update_postion(old_row, old_col) self.map[row][col] = position_chess_backup # 5. 删除不能落子的位置 all_position = list(set(all_position) - set(deleting_position)) return all_position def move_chess(self, new_row, new_col): """ 落子 """ # 得到要移动的棋子的位置 old_row, old_col = ClickBox.singleton.row, ClickBox.singleton.col print("旧位置：", old_row, old_col, "新位置：", new_row, new_col) # 移动位置 self.map[new_row][new_col] = self.map[old_row][old_col] # 修改棋子的属性 self.map[new_row][new_col].update_postion(new_row, new_col) # 清楚之前位置为None self.map[old_row][old_col] = None def judge_attack_general(self, attact_player): """ 判断 attact_player方是否 将对方的军 """ # 1. 找到对方"将"的位置 general_player = "r" if attact_player == "b" else "b" general_position = self.get_general_position(general_player) # 2. 遍历我方所有的棋子 for row, line in enumerate(self.map): for col, chess in enumerate(line): if chess and chess.team == attact_player: if chess.name == "z": # 兵 # 传递5个参数（攻击方的标识，攻击方row，攻击方col，对方将row，对方将col） if self.judge_z_attack(chess.team, chess.row, chess.col, *general_position): return True elif chess.name == "p": # 炮 if self.judge_c_and_p_attack(chess.name, chess.row, chess.col, *general_position): return True elif chess.name == "c": # 车 if self.judge_c_and_p_attack(chess.name, chess.row, chess.col, *general_position): return True elif chess.name == "m": # 马 if self.judge_m_attack(chess.row, chess.col, *general_position): return True elif chess.name == "x": # 象 pass elif chess.name == "s": # 士 pass elif chess.name == "j": # 将 if self.judge_j_attack(chess.row, chess.col, *general_position): return True def judge_j_attack(self, attack_row, attack_col, general_row, general_col): """ 判断 两个将是否相对 """ if attack_col == general_col: # 在同一列 min_row, max_row = (attack_row, general_row) if attack_row < general_row else (general_row, attack_row) chess_num = 0 for i in range(min_row + 1, max_row): if self.map[i][general_col]: chess_num += 1 if chess_num == 0: return True def judge_m_attack(self, attack_row, attack_col, general_row, general_col): """ 判断马是否攻击到"将" """ if attack_row == general_row or attack_col == general_col: return False else: # "马走日"，利用这个特点会得出，如果此马能够攻击到"将"，那么两条边的平方和一定是5 col_length = (attack_col - general_col) ** 2 row_length = (attack_row - general_row) ** 2 if col_length + row_length == 5: # 判断是否蹩马腿 if col_length == 1: if general_row < attack_row and not self.map[attack_row - 1][attack_col]: return True elif general_row > attack_row and not self.map[attack_row + 1][attack_col]: return True elif col_length == 4: if general_col < attack_col and not self.map[attack_row][attack_col - 1]: return True elif general_col > attack_col and not self.map[attack_row][attack_col + 1]: return True def judge_c_and_p_attack(self, attack_chess_name, attack_row, attack_col, general_row, general_col): """ 判断"车"、"炮"能否攻击到对方"将" """ check_chess_num = 1 if attack_chess_name == "p" else 0 chess_num = 0 if attack_row == general_row: # 在同一行 min_col, max_col = (attack_col, general_col) if attack_col < general_col else (general_col, attack_col) for i in range(min_col + 1, max_col): if self.map[attack_row][i]: chess_num += 1 if chess_num == check_chess_num: return True elif attack_col == general_col: # 在同一列 min_row, max_row = (attack_row, general_row) if attack_row < general_row else (general_row, attack_row) for i in range(min_row + 1, max_row): if self.map[i][general_col]: chess_num += 1 if chess_num == check_chess_num: return True def judge_z_attack(self, attack_team, attack_row, attack_col, general_row, general_col): """ 判断卒是否攻击到"将" """ if attack_team == "r" and attack_row < general_row: return False elif attack_team == "b" and attack_row > general_row: return False elif (attack_row - general_row) ** 2 + (attack_col - general_col) ** 2 == 1: return True def get_general_position(self, general_player): """ 找到general_player标记的一方的将的位置 """ for row, line in enumerate(self.map): for col, chess in enumerate(line): if chess and chess.team == general_player and chess.name == "j": return chess.row, chess.col def judge_win(self, attack_player): """ 判断是否获胜 """ # 依次判断是否被攻击方的所有棋子，是否有阻挡攻击的可能 for line_chesses in self.map: for chess in line_chesses: if chess and chess.team != attack_player: move_position_list = self.get_put_down_postion(chess) if move_position_list: # 只要找到一个可以移动的位置，就表示没有失败，还是有机会的 return False return True class Game(object): """ 游戏类 """ def __init__(self, screen): self.screen = screen self.player = "r" # 默认走棋的为红方r self.player_tips_r_image = pygame.image.load("images/red.png") self.player_tips_r_image_topleft = (550, 500) self.player_tips_b_image = pygame.image.load("images/black.png") self.player_tips_b_image_topleft = (550, 100) self.show_attack = False self.show_attack_count = 0 self.show_attack_time = 100 self.attack_img = pygame.image.load("images/pk.png") self.show_win = False self.win_img = pygame.image.load("images/win.png") self.win_player = None def get_player(self): """ 获取当前走棋方 """ return self.player def exchange(self): """ 交换走棋方 """ self.player = "r" if self.player == "b" else "b" return self.get_player() def show(self): if self.show_win: if self.win_player == "b": self.screen.blit(self.win_img, (550, 100)) else: self.screen.blit(self.win_img, (550, 450)) return # 通过计时，实现显示一会"将军"之后，就消失 if self.show_attack: self.show_attack_count += 1 if self.show_attack_count == self.show_attack_time: self.show_attack_count = 0 self.show_attack = False if self.player == "r": self.screen.blit(self.player_tips_r_image, self.player_tips_r_image_topleft) # 显示"将军"效果 if self.show_attack: self.screen.blit(self.attack_img, (230, 400)) else: self.screen.blit(self.player_tips_b_image, self.player_tips_b_image_topleft) # 显示"将军"效果 if self.show_attack: self.screen.blit(self.attack_img, (230, 100)) def set_attack(self): """ 标记"将军"效果 """ self.show_attack = True def set_win(self, win_player): """ 设置获胜方 """ self.show_win = True self.win_player = win_player def main(): # 初始化pygame pygame.init() # 创建用来显示画面的对象（理解为相框） screen = pygame.display.set_mode((WIDTH, HEIGHT)) # 游戏背景图片 background_img = pygame.image.load("images/bg.jpg") # 创建游戏对象 game = Game(screen) # 创建一个游戏棋盘对象 chess_board = ChessBoard(screen) # 创建计时器 clock = pygame.time.Clock() # 主循环 while True: # 事件检测（例如点击了键盘、鼠标等） for event in pygame.event.get(): if event.type == pygame.QUIT: pygame.quit() sys.exit() # 退出程序 # 如果游戏没有获胜方，则游戏继续，否则一直显示"获胜" if not game.show_win: # 检测是否点击了"可落子"对象 clicked_dot = Dot.click() if clicked_dot: chess_board.move_chess(clicked_dot.row, clicked_dot.col) # 清理「点击对象」、「可落子位置对象」 Dot.clean_last_postion() ClickBox.clean() # 判断此棋子走完之后，是否"将军" if chess_board.judge_attack_general(game.get_player()): # 检测对方是否可以挽救棋局，如果能挽救，就显示"将军"，否则显示"胜利" if chess_board.judge_win(game.get_player()): game.set_win(game.get_player()) else: # 如果攻击到对方，则标记显示"将军"效果 game.set_attack() # 落子之后，交换走棋方 game.exchange() # 检查是否点击了棋子 clicked_chess = Chess.click(game.get_player(), [chess for line in chess_board.map for chess in line if chess]) if clicked_chess: # 创建选中棋子对象 ClickBox(screen, clicked_chess.row, clicked_chess.col, clicked_chess.team) # 清除之前的所有的可以落子对象 Dot.clean_last_postion() # 真的点击了棋子，那么计算当前被点击的棋子可以走的位置 all_position = chess_board.get_put_down_postion(clicked_chess) if all_position: # 清空上次可落子对象 Dot.clean_last_postion() # 创建可落子对象 for position in all_position: Dot(screen, position) # 显示游戏背景 screen.blit(background_img, (0, 0)) screen.blit(background_img, (0, 270)) screen.blit(background_img, (0, 540)) # 显示棋盘以及棋盘上的棋子 chess_board.show() # 显示被点击的棋子 ClickBox.show() # 显示可落子对象 Dot.show() # 显示游戏相关信息 game.show() # 显示screen这个相框的内容（此时在这个相框中的内容像照片、文字等会显示出来） pygame.display.update() # FPS（每秒钟显示画面的次数） clock.tick(60) # 通过一定的延时，实现1秒钟能够循环60次 if __name__ == '__main__': main()
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