pycharm实现小游戏五子棋
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五子棋游戏实现与代码解释
一、项目概述
本项目实现了两种模式的五子棋游戏：人人对战和人机对战。游戏基于 Python 的pygame库开发，通过图形化界面呈现棋盘和棋子，玩家可以在棋盘上落子，程序会判断是否有一方获胜。
二、文件结构与功能
项目包含三个主要文件：
- ManAndMan.py：实现五子棋的人人对战模式。
- ManAndMachine.py：实现五子棋的人机对战模式。
checkerboard.py：定义棋盘类和棋子相关信息，为两种对战模式提供基础支持。
三、代码详细解释
1. checkerboard.py
该文件定义了棋子和棋盘的基本信息与操作。
python运行
from collections import namedtuple
Chessman = namedtuple('Chessman', 'Name Value Color')
Point = namedtuple('Point', 'X Y')
BLACK_CHESSMAN = Chessman('黑子', 1, (45, 45, 45))
WHITE_CHESSMAN = Chessman('白子', 2, (219, 219, 219))
offset = [(1, 0), (0, 1), (1, 1), (1, -1)]
class Checkerboard:
def __init__(self, line_points):
self._line_points = line_points
self._checkerboard = [[0] * line_points for _ in range(line_points)]
def _get_checkerboard(self):
return self._checkerboard
checkerboard = property(_get_checkerboard)
# 判断是否可落子
def can_drop(self, point):
return self._checkerboard[point.Y][point.X] == 0
def drop(self, chessman, point):
"""
落子
:param chessman:
:param point:落子位置
:return:若该子落下之后即可获胜，则返回获胜方，否则返回 None
"""
print(f'{chessman.Name} ({point.X}, {point.Y})')
self._checkerboard[point.Y][point.X] = chessman.Value
if self._win(point):
print(f'{chessman.Name}获胜')
return chessman
# 判断是否赢了
def _win(self, point):
cur_value = self._checkerboard[point.Y][point.X]
for os in offset:
if self._get_count_on_direction(point, cur_value, os[0], os[1]):
return True
def _get_count_on_direction(self, point, value, x_offset, y_offset):
count = 1
for step in range(1, 5):
x = point.X + step * x_offset
y = point.Y + step * y_offset
if 0 <= x < self._line_points and 0 <= y < self._line_points and self._checkerboard[y][x] == value:
count += 1
else:
break
for step in range(1, 5):
x = point.X - step * x_offset
y = point.Y - step * y_offset
if 0 <= x < self._line_points and 0 <= y < self._line_points and self._checkerboard[y][x] == value:
count += 1
else:
break
return count >= 5
解释：
Chessman和Point是使用namedtuple定义的元组，分别表示棋子和棋盘上的点。BLACK_CHESSMAN和WHITE_CHESSMAN定义了黑子和白子的信息。offset定义了四个方向，用于判断五子连珠。Checkerboard类：__init__：初始化棋盘，创建一个二维列表表示棋盘。can_drop：判断指定位置是否可以落子。drop：在指定位置落子，并检查是否获胜。_win：判断当前落子是否形成五子连珠。_get_count_on_direction：计算指定方向上连续相同棋子的数量。
2. ManAndMan.py
该文件实现了五子棋的人人对战模式。
python运行
"""五子棋之人人对战"""
import sys
import pygame
from pygame.locals import *
import pygame.gfxdraw
from checkerboard import Checkerboard, BLACK_CHESSMAN, WHITE_CHESSMAN, Point
# 定义常量
SIZE = 30 # 棋盘每个点时间的间隔
Line_Points = 19 # 棋盘每行/每列点数
# 其他常量定义...
def print_text(screen, font, x, y, text, fcolor=(255, 255, 255)):
imgText = font.render(text, True, fcolor)
screen.blit(imgText, (x, y))
def main():
pygame.init()
screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
pygame.display.set_caption('五子棋')
font1 = pygame.font.SysFont('SimHei', 36)
font2 = pygame.font.SysFont('SimHei', 72)
fwidth, fheight = font2.size('黑方获胜')
checkerboard = Checkerboard(Line_Points)
cur_runner = BLACK_CHESSMAN
winner = None
while True:
for event in pygame.event.get():
if event.type == QUIT:
sys.exit()
elif event.type == KEYDOWN:
if event.key == K_RETURN:
if winner is not None:
winner = None
cur_runner = BLACK_CHESSMAN
checkerboard = Checkerboard(Line_Points)
elif event.type == MOUSEBUTTONDOWN:
if winner is None:
pressed_array = pygame.mouse.get_pressed()
if pressed_array[0]:
mouse_pos = pygame.mouse.get_pos()
click_point = _get_clickpoint(mouse_pos)
if click_point is not None:
if checkerboard.can_drop(click_point):
winner = checkerboard.drop(cur_runner, click_point)
if cur_runner == BLACK_CHESSMAN:
cur_runner = WHITE_CHESSMAN
else:
cur_runner = BLACK_CHESSMAN
else:
print('超出棋盘区域')
# 画棋盘
_draw_checkerboard(screen)
# 画棋盘上已有的棋子
for i, row in enumerate(checkerboard.checkerboard):
for j, cell in enumerate(row):
if cell == BLACK_CHESSMAN.Value:
_draw_chessman(screen, Point(j, i), BLACK_CHESSMAN.Color)
elif cell == WHITE_CHESSMAN.Value:
_draw_chessman(screen, Point(j, i), WHITE_CHESSMAN.Color)
# 其他绘制操作...
if winner:
print_text(screen, font2, (SCREEN_WIDTH - fwidth)//2, (SCREEN_HEIGHT - fheight)//2, winner.Name + '获胜', RED_COLOR)
if cur_runner == BLACK_CHESSMAN:
print_text(screen, font1, RIGHT_INFO_POS_X, Start_X, '获胜' if winner else '落子中', BLUE_COLOR)
else:
print_text(screen, font1, RIGHT_INFO_POS_X, Start_X + Stone_Radius2 * 3, '获胜' if winner else '落子中', BLUE_COLOR)
pygame.display.flip()
# 画棋盘
def _draw_checkerboard(screen):
# 填充棋盘背景色
screen.fill(Checkerboard_Color)
# 画棋盘网格线外的边框
pygame.draw.rect(screen, BLACK_COLOR, (Outer_Width, Outer_Width, Border_Length, Border_Length), Border_Width)
# 画网格线
for i in range(Line_Points):
pygame.draw.line(screen, BLACK_COLOR,
(Start_Y, Start_Y + SIZE * i),
(Start_Y + SIZE * (Line_Points - 1), Start_Y + SIZE * i),
1)
for j in range(Line_Points):
pygame.draw.line(screen, BLACK_COLOR,
(Start_X + SIZE * j, Start_X),
(Start_X + SIZE * j, Start_X + SIZE * (Line_Points - 1)),
1)
# 画星位和天元
for i in (3, 9, 15):
for j in (3, 9, 15):
if i == j == 9:
radius = 5
else:
radius = 3
pygame.gfxdraw.aacircle(screen, Start_X + SIZE * i, Start_Y + SIZE * j, radius, BLACK_COLOR)
pygame.gfxdraw.filled_circle(screen, Start_X + SIZE * i, Start_Y + SIZE * j, radius, BLACK_COLOR)
# 画棋子
def _draw_chessman(screen, point, stone_color):
pygame.gfxdraw.aacircle(screen, Start_X + SIZE * point.X, Start_Y + SIZE * point.Y, Stone_Radius, stone_color)
pygame.gfxdraw.filled_circle(screen, Start_X + SIZE * point.X, Start_Y + SIZE * point.Y, Stone_Radius, stone_color)
# 根据鼠标点击位置，返回游戏区坐标
def _get_clickpoint(click_pos):
pos_x = click_pos[0] - Start_X
pos_y = click_pos[1] - Start_Y
if pos_x < -Inside_Width or pos_y < -Inside_Width:
return None
x = pos_x // SIZE
y = pos_y // SIZE
if pos_x % SIZE > Stone_Radius:
x += 1
if pos_y % SIZE > Stone_Radius:
y += 1
if x >= Line_Points or y >= Line_Points:
return None
return Point(x, y)
if __name__ == '__main__':
main()
解释：
- 常量定义：定义了棋盘大小、棋子半径、颜色等常量。
print_text函数：用于在屏幕上显示文本。main函数：- 初始化
pygame，创建游戏窗口。 - 初始化棋盘和当前落子方。
- 进入主循环，处理事件（退出、回车重置、鼠标点击落子）。
- 绘制棋盘和棋子。
- 判断是否有获胜方，并显示相应信息。
- 初始化
_draw_checkerboard函数：绘制棋盘，包括背景色、边框、网格线、星位和天元。_draw_chessman函数：绘制棋子。_get_clickpoint函数：根据鼠标点击位置计算棋盘上的坐标。
3. ManAndMachine.py
该文件实现了五子棋的人机对战模式。
python运行
"""五子棋之人机对战"""
import sys
import random
import pygame
from pygame.locals import *
import pygame.gfxdraw
from checkerboard import Checkerboard, BLACK_CHESSMAN, WHITE_CHESSMAN, offset, Point
# 定义常量
SIZE = 30 # 棋盘每个点时间的间隔
Line_Points = 19 # 棋盘每行/每列点数
# 其他常量定义...
def print_text(screen, font, x, y, text, fcolor=(255, 255, 255)):
imgText = font.render(text, True, fcolor)
screen.blit(imgText, (x, y))
def main():
pygame.init()
screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
pygame.display.set_caption('五子棋')
font1 = pygame.font.SysFont('SimHei', 32)
font2 = pygame.font.SysFont('SimHei', 72)
fwidth, fheight = font2.size('黑方获胜')
checkerboard = Checkerboard(Line_Points)
cur_runner = BLACK_CHESSMAN
winner = None
computer = AI(Line_Points, WHITE_CHESSMAN)
black_win_count = 0
white_win_count = 0
while True:
for event in pygame.event.get():
if event.type == QUIT:
sys.exit()
elif event.type == KEYDOWN:
if event.key == K_RETURN:
if winner is not None:
winner = None
cur_runner = BLACK_CHESSMAN
checkerboard = Checkerboard(Line_Points)
computer = AI(Line_Points, WHITE_CHESSMAN)
elif event.type == MOUSEBUTTONDOWN:
if winner is None:
pressed_array = pygame.mouse.get_pressed()
if pressed_array[0]:
mouse_pos = pygame.mouse.get_pos()
click_point = _get_clickpoint(mouse_pos)
if click_point is not None:
if checkerboard.can_drop(click_point):
winner = checkerboard.drop(cur_runner, click_point)
if winner is None:
cur_runner = _get_next(cur_runner)
computer.get_opponent_drop(click_point)
AI_point = computer.AI_drop()
winner = checkerboard.drop(cur_runner, AI_point)
if winner is not None:
white_win_count += 1
cur_runner = _get_next(cur_runner)
else:
black_win_count += 1
else:
print('超出棋盘区域')
# 画棋盘
_draw_checkerboard(screen)
# 画棋盘上已有的棋子
for i, row in enumerate(checkerboard.checkerboard):
for j, cell in enumerate(row):
if cell == BLACK_CHESSMAN.Value:
_draw_chessman(screen, Point(j, i), BLACK_CHESSMAN.Color)
elif cell == WHITE_CHESSMAN.Value:
_draw_chessman(screen, Point(j, i), WHITE_CHESSMAN.Color)
# 画左侧信息显示
_draw_left_info(screen, font1, cur_runner, black_win_count, white_win_count)
if winner:
print_text(screen, font2, (SCREEN_WIDTH - fwidth)//2, (SCREEN_HEIGHT - fheight)//2, winner.Name + '获胜', RED_COLOR)
pygame.display.flip()
def _get_next(cur_runner):
if cur_runner == BLACK_CHESSMAN:
return WHITE_CHESSMAN
else:
return BLACK_CHESSMAN
# 画棋盘
def _draw_checkerboard(screen):
# 填充棋盘背景色
screen.fill(Checkerboard_Color)
# 画棋盘网格线外的边框
pygame.draw.rect(screen, BLACK_COLOR, (Outer_Width, Outer_Width, Border_Length, Border_Length), Border_Width)
# 画网格线
for i in range(Line_Points):
pygame.draw.line(screen, BLACK_COLOR,
(Start_Y, Start_Y + SIZE * i),
(Start_Y + SIZE * (Line_Points - 1), Start_Y + SIZE * i),
1)
for j in range(Line_Points):
pygame.draw.line(screen, BLACK_COLOR,
(Start_X + SIZE * j, Start_X),
(Start_X + SIZE * j, Start_X + SIZE * (Line_Points - 1)),
1)
# 画星位和天元
for i in (3, 9, 15):
for j in (3, 9, 15):
if i == j == 9:
radius = 5
else:
radius = 3
pygame.gfxdraw.aacircle(screen, Start_X + SIZE * i, Start_Y + SIZE * j, radius, BLACK_COLOR)
pygame.gfxdraw.filled_circle(screen, Start_X + SIZE * i, Start_Y + SIZE * j, radius, BLACK_COLOR)
# 画棋子
def _draw_chessman(screen, point, stone_color):
pygame.gfxdraw.aacircle(screen, Start_X + SIZE * point.X, Start_Y + SIZE * point.Y, Stone_Radius, stone_color)
pygame.gfxdraw.filled_circle(screen, Start_X + SIZE * point.X, Start_Y + SIZE * point.Y, Stone_Radius, stone_color)
# 画左侧信息显示
def _draw_left_info(screen, font, cur_runner, black_win_count, white_win_count):
_draw_chessman_pos(screen, (SCREEN_HEIGHT + Stone_Radius2, Start_X + Stone_Radius2), BLACK_CHESSMAN.Color)
_draw_chessman_pos(screen, (SCREEN_HEIGHT + Stone_Radius2, Start_X + Stone_Radius2 * 4), WHITE_CHESSMAN.Color)
print_text(screen, font, RIGHT_INFO_POS_X, Start_X + 3, '玩家', BLUE_COLOR)
print_text(screen, font, RIGHT_INFO_POS_X, Start_X + Stone_Radius2 * 3 + 3, '电脑', BLUE_COLOR)
print_text(screen, font, SCREEN_HEIGHT, SCREEN_HEIGHT - Stone_Radius2 * 8, '战况：', BLUE_COLOR)
_draw_chessman_pos(screen, (SCREEN_HEIGHT + Stone_Radius2, SCREEN_HEIGHT - int(Stone_Radius2 * 4.5)), BLACK_CHESSMAN.Color)
_draw_chessman_pos(screen, (SCREEN_HEIGHT + Stone_Radius2, SCREEN_HEIGHT - Stone_Radius2 * 2), WHITE_CHESSMAN.Color)
print_text(screen, font, RIGHT_INFO_POS_X, SCREEN_HEIGHT - int(Stone_Radius2 * 5.5) + 3, f'{black_win_count} 胜', BLUE_COLOR)
print_text(screen, font, RIGHT_INFO_POS_X, SCREEN_HEIGHT - Stone_Radius2 * 3 + 3, f'{white_win_count} 胜', BLUE_COLOR)
def _draw_chessman_pos(screen, pos, stone_color):
pygame.gfxdraw.aacircle(screen, pos[0], pos[1], Stone_Radius2, stone_color)
pygame.gfxdraw.filled_circle(screen, pos[0], pos[1], Stone_Radius2, stone_color)
# 根据鼠标点击位置，返回游戏区坐标
def _get_clickpoint(click_pos):
pos_x = click_pos[0] - Start_X
pos_y = click_pos[1] - Start_Y
if pos_x < -Inside_Width or pos_y < -Inside_Width:
return None
x = pos_x // SIZE
y = pos_y // SIZE
if pos_x % SIZE > Stone_Radius:
x += 1
if pos_y % SIZE > Stone_Radius:
y += 1
if x >= Line_Points or y >= Line_Points:
return None
return Point(x, y)
class AI:
def __init__(self, line_points, chessman):
self._line_points = line_points
self._my = chessman
self._opponent = BLACK_CHESSMAN if chessman == WHITE_CHESSMAN else WHITE_CHESSMAN
self._checkerboard = [[0] * line_points for _ in range(line_points)]
def get_opponent_drop(self, point):
self._checkerboard[point.Y][point.X] = self._opponent.Value
def AI_drop(self):
point = None
score = 0
for i in range(self._line_points):
for j in range(self._line_points):
if self._checkerboard[j][i] == 0:
_score = self._get_point_score(Point(i, j))
if _score > score:
score = _score
point = Point(i, j)
elif _score == score and _score > 0:
r = random.randint(0, 100)
if r % 2 == 0:
point = Point(i, j)
self._checkerboard[point.Y][point.X] = self._my.Value
return point
def _get_point_score(self, point):
score = 0
for os in offset:
score += self._get_direction_score(point, os[0], os[1])
return score
def _get_direction_score(self, point, x_offset, y_offset):
count = 0 # 落子处我方连续子数
_count = 0 # 落子处对方连续子数
space = None # 我方连续子中有无空格
_space = None # 对方连续子中有无空格
both = 0 # 我方连续子两端有无阻挡
_both = 0 # 对方连续子两端有无阻挡
# 如果是 1 表示是边上是我方子，2 表示敌方子
flag = self._get_stone_color(point, x_offset, y_offset, True)
if flag != 0:
for step in range(1, 6):
x = point.X + step * x_offset
y = point.Y + step * y_offset
if 0 <= x < self._line_points and 0 <= y < self._line_points:
if flag == 1:
if self._checkerboard[y][x] == self._my.Value:
count += 1
if space is False:
space = True
elif self._checkerboard[y][x] == self._opponent.Value:
_both += 1
break
else:
if space is None:
space = False
else:
break # 遇到第二个空格退出
elif flag == 2:
if self._checkerboard[y][x] == self._my.Value:
_both += 1
break
elif self._checkerboard[y][x] == self._opponent.Value:
_count += 1
if _space is False:
_space = True
else:
if _space is None:
_space = False
else:
break
else:
# 遇到边也就是阻挡
if flag == 1:
both += 1
elif flag == 2:
_both += 1
if space is False:
space = None
if _space is False:
_space = None
_flag = self._get_stone_color(point, -x_offset, -y_offset, True)
if _flag != 0:
for step in range(1, 6):
x = point.X - step * x_offset
y = point.Y - step * y_offset
if 0 <= x < self._line_points and 0 <= y < self._line_points:
if _flag == 1:
if self._checkerboard[y][x] == self._my.Value:
count += 1
if space is False:
space = True
elif self._checkerboard[y][x] == self._opponent.Value:
_both += 1
break
else:
if space is None:
space = False
else:
break # 遇到第二个空格退出
elif _flag == 2:
if self._checkerboard[y][x] == self._my.Value:
_both += 1
break
elif self._checkerboard[y][x] == self._opponent.Value:
_count += 1
if _space is False:
_space = True
else:
if _space is None:
_space = False
else:
break
else:
# 遇到边也就是阻挡
if _flag == 1:
both += 1
elif _flag == 2:
_both += 1
score = 0
if count == 4:
score = 10000
elif _count == 4:
score = 9000
elif count == 3:
if both == 0:
score = 1000
elif both == 1:
score = 100
else:
score = 0
elif _count == 3:
if _both == 0:
score = 900
elif _both == 1:
score = 90
else:
score = 0
elif count == 2:
if both == 0:
score = 100
elif both == 1:
score = 10
else:
score = 0
elif _count == 2:
if _both == 0:
score = 90
elif _both == 1:
score = 9
else:
score = 0
elif count == 1:
score = 10
elif _count == 1:
score = 9
else:
score = 0
if space or _space:
score /= 2
return score
# 判断指定位置处在指定方向上是我方子、对方子、空
def _get_stone_color(self, point, x_offset, y_offset, next):
x = point.X + x_offset
y = point.Y + y_offset
if 0 <= x < self._line_points and 0 <= y < self._line_points:
if self._checkerboard[y][x] == self._my.Value:
return 1
elif self._checkerboard[y][x] == self._opponent.Value:
return 2
else:
if next:
return self._get_stone_color(Point(x, y), x_offset, y_offset, False)
else:
return 0
else:
return 0
if __name__ == '__main__':
main()
解释：
- 大部分代码与ManAndMan.py相似，主要区别在于引入了
AI类来实现电脑的落子逻辑。 AI类：__init__：初始化电脑的相关信息，包括棋盘和对手棋子。get_opponent_drop：记录对手的落子位置。AI_drop：通过计算每个空位的得分，选择得分最高的位置落子。_get_point_score：计算指定位置的得分，综合四个方向的得分。_get_direction_score：计算指定方向上的得分，考虑连续棋子数量、空格和阻挡情况。_get_stone_color：判断指定位置的棋子颜色。
四、总结
通过以上代码，我们实现了五子棋的人人对战和人机对战模式。checkerboard.py提供了棋盘和棋子的基本操作，ManAndMan.py和ManAndMachine.py分别实现了两种对战模式的游戏逻辑和图形界面。整个项目利用pygame库实现了图形化显示，通过事件处理和简单的 AI 算法实现了游戏的交互和电脑的落子决策。
五。实验示例效果
人机与真人对战
同时代码包括双人对决
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