人机对战井字棋游戏

人机对战井字棋游戏，这是由Python语言编写的一款井字棋游戏，下面给出了详细的代码说明，感兴趣的朋友们可以下载参考。人机对战井字棋游戏直接在Python语言编辑器生成即可获得游戏本体，可以尝试与AI进行互动。

人机对战井字棋游戏代码说明

用pygame实现交互，程序比较简陋，有不足之处欢迎大家批评指正

AI的移动思想

逐个遍历每个空的格子，

如果某个格子落子后AI能赢就下,

如果对方能赢AI就堵住。

人机对战井字棋游戏代码一览

__author__ = 'lthero'

import pygame

from pygame import *

import random as ra

pygame.init()

white = (255, 255, 255)

black = (0, 0, 0)

size = width, height = 600, 600

screen = pygame.display.set_mode(size)

points = [[0, 0, 0],

          [0, 0, 0],

          [0, 0, 0]]

x = 0

y = 0

flag = 1

lst = []

lst_mine = []

lst_android = []

count = 0

text = pygame.font.SysFont('宋体', 50)

Play_score = 0

AI_score = 0

def draw_restart():

    steps = [(400, 450), (400, 500), (550, 500), (550, 450)]

    pygame.draw.polygon(screen, black, steps, 1)

    text_x = text.render("AGAIN?", 1, black)

    screen.blit(text_x, (410, 460))

def draw_img(player, x, y):

    # 玩家

    if player == 1:

        pygame.draw.circle(screen, black, (x, y), 40, 1)

    # 机器

    else:

        pygame.draw.rect(screen, black, ((x - 20, y - 20), (50, 50)), 1)

def draw_score():

    text_1 = pygame.font.SysFont('宋体', 30)

    text_player_score = text_1.render('PLAYER SCORE ' + str(Play_score), 1, black)

    text_AI_score = text_1.render('AI SCORE     ' + str(AI_score), 1, black)

    screen.blit(text_player_score, (410, 10))

    screen.blit(text_AI_score, (410, 40))

def draw_back():

    screen.fill(white)

    steps = [(100, 100), (100, 400), (400, 400), (400, 100)]

    pygame.draw.polygon(screen, black, steps, 1)

    pygame.draw.lines(screen, black, False, [(100, 200), (400, 200)])

    pygame.draw.lines(screen, black, False, [(100, 300), (400, 300)])

    pygame.draw.lines(screen, black, False, [(200, 100), (200, 400)])

    pygame.draw.lines(screen, black, False, [(300, 100), (300, 400)])

def check_win(tab):

    return ((points[0][0] == tab and points[0][1] == tab and points[0][2] == tab) or

            (points[1][0] == tab and points[1][1] == tab and points[1][2] == tab) or

            (points[2][0] == tab and points[2][1] == tab and points[2][2] == tab) or

            (points[0][0] == tab and points[1][0] == tab and points[2][0] == tab) or

            (points[0][1] == tab and points[1][1] == tab and points[2][1] == tab) or

            (points[0][2] == tab and points[1][2] == tab and points[2][2] == tab) or

            (points[0][0] == tab and points[1][1] == tab and points[2][2] == tab) or

            (points[0][2] == tab and points[1][1] == tab and points[2][0] == tab)

            )

def winner():

    # AI

    if check_win(100):

        return 100

    elif check_win(1):

        return -100

def is_full():

    fl = 0

    for i in range(3):

        for j in range(3):

            if points[i][j] != 0:

                fl += 1

    return fl

def AI_move():

    # 一步能赢

    for i in range(3):

        for j in range(3):

            if points[i][j] == 0:

                points[i][j] = 100

                if check_win(100):

                    return (i, j)

                else:

                    points[i][j] = 0

    # 堵上

    for i in range(3):

        for j in range(3):

            if points[i][j] == 0:

                points[i][j] = 1

                if check_win(1):

                    return (i, j)

                else:

                    points[i][j] = 0

    # 占中间

    if points[1][1] == 0:

        return (1, 1)

    # 占四角

    temp = []

    for i in (0, 2):

        for j in (0, 2):

            if points[i][j] == 0:

                temp.append((i, j))

    if len(temp) != 0:

        return ra.choice(temp)

    # 占四边

    for i in ((0, 1), (1, 0), (1, 2), (2, 1)):

        if points[i[0]][i[1]] == 0:

            temp.append((i[0], i[1]))

    if len(temp) != 0:

        return ra.choice(temp)

def draw_all():

    draw_back()

    draw_score()

    for i in lst:

        draw_img(i[0], i[1], i[2])

    if flag == 100:

        text_conent = text.render("AI win", 1, black)

        screen.blit(text_conent, (220, 50))

    elif flag == -100:

        text_conent = text.render("You win", 1, black)

        screen.blit(text_conent, (220, 50))

    elif flag == 123:

        text_conent = text.render("TIE", 1, black)

        screen.blit(text_conent, (220, 50))

    if flag == 123 or flag == 100 or flag == -100:

        draw_restart()

def play():

    global flag, AI_score, Play_score

    while True:

        for event in pygame.event.get():

            if event.type == pygame.QUIT:

                exit()

            if event.type == MOUSEBUTTONDOWN:

                x, y = pygame.mouse.get_pos()

                if 400 < x < 550 and 450 < y < 500:

                    lst.clear()

                    for i in range(3):

                        for j in range(3):

                            points[i][j] = 0

                    flag = 1

                if 100 <= x <= 400 and 100 <= y <= 400:

                    x = (x - 100) // 100

                    y = (y - 100) // 100

                    l_x = x * 100 + 150

                    l_y = y * 100 + 150

                    # player

                    if flag == 1:

                        if is_full() != 9:

                            if points[x][y] == 0:

                                points[x][y] = 1

                                lst.append((1, l_x, l_y))

                                if winner() == -100:

                                    flag = -100

                                    Play_score += 1

                                    print('player win')

                                else:

                                    flag = -1

                        else:

                            flag = 123

            if flag == -1:

                if is_full() != 9:

                    # 人机动

                    xx, yy = AI_move()

                    l_x = xx * 100 + 150

                    l_y = yy * 100 + 150

                    points[xx][yy] = 100

                    lst.append((2, l_x, l_y))

                    if winner() == 100:

                        flag = 100

                        AI_score += 1

                        print('AI win')

                    else:

                        flag = 1

                else:

                    flag = 123

        draw_all()

        pygame.display.flip()

if __name__ == '__main__':

    play()