【汇智学堂】-python系列小游戏（井字游戏之八）

2.10完成落子各个方向的判断
现在我们要完成同色棋子在不同方向，是否三子连成一线，如果是，提示赢了。结合我们上一节讲的内容，下面是我们要做的事情。
1、判断所有横向，两种颜色棋子是否三子成一线。
2、判断所有竖向，两种颜色棋子是否三子成一线。。
3、判断所有斜向，两种颜色棋子是否三子成一线。。

实现代码如下：

if position[0]==position[1] and position[1]==position[2]:
        if position[0]==1:
            tkinter.messagebox.showinfo('提示',"红方获胜")
        if position[0]==2:
            tkinter.messagebox.showinfo('提示',"绿方获胜")
    if position[0]==position[3] and position[3]==position[6]:
        if position[0]==1:
            tkinter.messagebox.showinfo('提示',"红方获胜")
        if position[0]==2:
            tkinter.messagebox.showinfo('提示',"绿方获胜")
    if position[0]==position[4] and position[4]==position[8]:
        if position[0]==1:
            tkinter.messagebox.showinfo('提示',"红方获胜")
        if position[0]==2:
            tkinter.messagebox.showinfo('提示',"绿方获胜")

    if position[8]==position[7] and position[7]==position[6]:
        if position[8]==1:
            tkinter.messagebox.showinfo('提示',"红方获胜")
        if position[8]==2:
            tkinter.messagebox.showinfo('提示',"绿方获胜")
    if position[8]==position[5] and position[5]==position[2]:
        if position[8]==1:
            tkinter.messagebox.showinfo('提示',"红方获胜")
        if position[8]==2:
            tkinter.messagebox.showinfo('提示',"绿方获胜")

    if position[6]==position[4] and position[4]==position[2]:
        if position[4]==1:
            tkinter.messagebox.showinfo('提示',"红方获胜")
        if position[4]==2:
            tkinter.messagebox.showinfo('提示',"绿方获胜")

    if position[3]==position[4] and position[4]==position[5]:
        if position[3]==1:
            tkinter.messagebox.showinfo('提示',"红方获胜")
        if position[3]==2:
            tkinter.messagebox.showinfo('提示',"绿方获胜")

    if position[1]==position[4] and position[4]==position[7]:
        if position[1]==1:
            tkinter.messagebox.showinfo('提示',"红方获胜")
        if position[1]==2:
            tkinter.messagebox.showinfo('提示',"绿方获胜")

总计是8中可能。三横三竖，两斜向。
将代码整合起来，整合后完整代码如下：

#-*- coding:GBK -*-

from tkinter import *
import time

import tkinter.messagebox #messagebox

tk = Tk()
tk.title("雷雷的井字游戏")
tk.resizable(0, 0)
tk.wm_attributes("-topmost", 1)
canvas = Canvas(tk, width=800, height=800, bd=0, highlightthickness=0)
canvas.pack()
tk.update()

redorgreen=0
colorx="green"

position=[0,0,0,0,0,0,0,0,0]

#画棋盘
canvas.create_line(100,100,700,100)
canvas.create_line(100,300,700,300)
canvas.create_line(100,500,700,500)
canvas.create_line(100,700,700,700)

canvas.create_line(100,100,100,700)
canvas.create_line(300,100,300,700)
canvas.create_line(500,100,500,700)
canvas.create_line(700,100,700,700)

def action(event):
    global redorgreen
    global colorx

   #if redorgreen==0 and event.x>100 and event.x<300 and event.y<300 and event.y>100:
    # canvas.create_oval(100, 100, 300, 300, fill =colorx )
    if redorgreen==0:
        redorgreen=1
        colorx="red"
    else :
        redorgreen=0
        colorx="green"  
    #tkinter.messagebox.showinfo('提示',redorgreen)
    
    if event.x>100 and event.x<300 and event.y<300 and event.y>100:
        if position[0]==0:
            canvas.create_oval(100, 100, 300, 300, fill =colorx )
            if colorx=="red":
               position[0]=1
            else:
               position[0]=2
        else:
            tkinter.messagebox.showinfo('提示',"已有棋子了！")
            if redorgreen==1:
               redorgreen=0
            else:
               redorgreen=1
               return
        #winyesorno()
    if event.x>300 and event.x<500 and event.y<300 and event.y>100:
        if position[1]==0:
            canvas.create_oval(300, 100, 500, 300, fill =colorx )
            if colorx=="red":
               position[1]=1
            else:
               position[1]=2
        else:
            tkinter.messagebox.showinfo('提示',"已有棋子了")
            if redorgreen==1:
               redorgreen=0
            else:
               redorgreen=1
               return
    if event.x>500 and event.x<700 and event.y<300 and event.y>100:
        if position[2]==0:
            canvas.create_oval(500, 100, 700, 300, fill =colorx )
            if colorx=="red":
               position[2]=1
            else:
               position[2]=2
        else:
            tkinter.messagebox.showinfo('提示',"已有棋子了")
            if redorgreen==1:
               redorgreen=0
            else:
               redorgreen=1
               return 
    if event.x>100 and event.x<300 and event.y<500 and event.y>300:
        if position[3]==0:
            canvas.create_oval(100, 300, 300, 500, fill =colorx )
            if colorx=="red":
               position[3]=1
            else:
               position[3]=2
        else:
            tkinter.messagebox.showinfo('提示',"已有棋子了")
            if redorgreen==1:
               redorgreen=0
            else:
               redorgreen=1
               return 
    if event.x>300 and event.x<500 and event.y<500 and event.y>300:
        if position[4]==0:
            canvas.create_oval(300, 300, 500, 500, fill =colorx )
            if colorx=="red":
               position[4]=1
            else:
               position[4]=2
        else:
            tkinter.messagebox.showinfo('提示',"已有棋子了")
            if redorgreen==1:
               redorgreen=0
            else:
               redorgreen=1
               return

    if event.x>500 and event.x<700 and event.y<500 and event.y>300:
        if position[5]==0:
            canvas.create_oval(500, 300, 700, 500, fill =colorx )
            if colorx=="red":
               position[5]=1
            else:
               position[5]=2
        else:
            tkinter.messagebox.showinfo('提示',"已有棋子了")
            if redorgreen==1:
               redorgreen=0
            else:
               redorgreen=1
               return
    if event.x>100 and event.x<300 and event.y<700 and event.y>500:
        if position[6]==0:
            canvas.create_oval(100, 500, 300, 700, fill =colorx )
            if colorx=="red":
               position[6]=1
            else:
               position[6]=2
        else:
            tkinter.messagebox.showinfo('提示',"已有棋子了")
            if redorgreen==1:
               redorgreen=0
            else:
               redorgreen=1
               return
    if event.x>300 and event.x<500 and event.y<700 and event.y>500:
        if position[7]==0:
            canvas.create_oval(300, 500, 500, 700, fill =colorx )
            if colorx=="red":
               position[7]=1
            else:
               position[7]=2
        else:
            tkinter.messagebox.showinfo('提示',"已有棋子了")
            if redorgreen==1:
               redorgreen=0
            else:
               redorgreen=1
               return
    if event.x>500 and event.x<700 and event.y<700 and event.y>500:
        if position[8]==0:
            canvas.create_oval(500, 500, 700, 700, fill =colorx )
            if colorx=="red":
               position[8]=1
            else:
               position[8]=2
        else:
            tkinter.messagebox.showinfo('提示',"已有棋子了")
            if redorgreen==1:
               redorgreen=0
            else:
               redorgreen=1
               return
    if position[0]==position[1] and position[1]==position[2]:
        if position[0]==1:
            tkinter.messagebox.showinfo('提示',"红方获胜")
        if position[0]==2:
            tkinter.messagebox.showinfo('提示',"绿方获胜")
    if position[0]==position[3] and position[3]==position[6]:
        if position[0]==1:
            tkinter.messagebox.showinfo('提示',"红方获胜")
        if position[0]==2:
            tkinter.messagebox.showinfo('提示',"绿方获胜")
    if position[0]==position[4] and position[4]==position[8]:
        if position[0]==1:
            tkinter.messagebox.showinfo('提示',"红方获胜")
        if position[0]==2:
            tkinter.messagebox.showinfo('提示',"绿方获胜")

    if position[8]==position[7] and position[7]==position[6]:
        if position[8]==1:
            tkinter.messagebox.showinfo('提示',"红方获胜")
        if position[8]==2:
            tkinter.messagebox.showinfo('提示',"绿方获胜")
    if position[8]==position[5] and position[5]==position[2]:
        if position[8]==1:
            tkinter.messagebox.showinfo('提示',"红方获胜")
        if position[8]==2:
            tkinter.messagebox.showinfo('提示',"绿方获胜")

    if position[6]==position[4] and position[4]==position[2]:
        if position[4]==1:
            tkinter.messagebox.showinfo('提示',"红方获胜")
        if position[4]==2:
            tkinter.messagebox.showinfo('提示',"绿方获胜")

    if position[3]==position[4] and position[4]==position[5]:
        if position[3]==1:
            tkinter.messagebox.showinfo('提示',"红方获胜")
        if position[3]==2:
            tkinter.messagebox.showinfo('提示',"绿方获胜")

    if position[1]==position[4] and position[4]==position[7]:
        if position[1]==1:
            tkinter.messagebox.showinfo('提示',"红方获胜")
        if position[1]==2:
            tkinter.messagebox.showinfo('提示',"绿方获胜")
canvas.bind('<Button-1>', action)

while 1:    
    tk.update_idletasks()
    tk.update()
    time.sleep(0.01)

运行这段代码，我们测试一下各个方向的判断结果（我们以左侧斜上方向为例）。见图2-16

图2-16