Unity3D学习笔记1

下面是一个井字棋的源代码

using System.Collections;using System.Collections.Generic;using UnityEngine;public class NewBehaviourScript : MonoBehaviour {    int[,] Tic_Tac_Toe;    int turn;    int num;    bool end;    // Use this for initialization    void Start () {        restart();	}		// Update is called once per frame	void OnGUI () {        int winner = w_win();        if (winner == 1)        {            GUI.Label(new Rect(160, 0, 40, 40), "O win");            end = true;        }        else if (winner == -1)        {            GUI.Label(new Rect(160, 0, 40, 40), "X win");            end = true;        }        else if (num == 9)        {            GUI.Label(new Rect(160, 0, 40, 40), "draw");        }        if (GUI.Button(new Rect(160, 80, 50, 40), "restart"))        {            restart();        }        for (int row = 0; row < 3; row++)        {            for (int col = 0; col < 3; col++)            {                if (Tic_Tac_Toe[row, col] == 0 && GUI.Button(new Rect(row * 40, col* 40, 40, 40), "") && !end)                {                    if (turn == 1)                    {                        Tic_Tac_Toe[row, col] = 1;                    }                    else                    {                        Tic_Tac_Toe[row, col] = -1;                    }                    turn = -turn;                    num++;                }                if (Tic_Tac_Toe[row, col] == 1)                {                    GUI.Button(new Rect(row * 40, col * 40, 40, 40), "O");                }                if (Tic_Tac_Toe[row, col] == -1)                {                    GUI.Button(new Rect(row * 40, col * 40, 40, 40), "X");                }            }        }    }    PRivate void restart()    {        turn = 1;        num = 0;        end = false;        if (Tic_Tac_Toe == null)        {            Tic_Tac_Toe = new int[3, 3];        }        for (int row = 0; row < 3; row++)        {            for (int col = 0; col < 3; col++)            {                Tic_Tac_Toe[row, col] = 0;            }        }    }        private int w_win()    {                    for (int row = 0; row < 3; row++)            {                if (Tic_Tac_Toe[row, 0] != 0 && Tic_Tac_Toe[row, 0] ==  Tic_Tac_Toe[row, 1]  && Tic_Tac_Toe[row, 1] == Tic_Tac_Toe[row, 2])                {                    return Tic_Tac_Toe[row, 0];                }            }            for (int col = 0; col < 3; col++)            {                if (Tic_Tac_Toe[0, col] != 0 && Tic_Tac_Toe[0, col] == Tic_Tac_Toe[1, col] && Tic_Tac_Toe[1, col] == Tic_Tac_Toe[2, col])                {                    return Tic_Tac_Toe[0, col];                }            }            if (Tic_Tac_Toe[0, 0] != 0 && Tic_Tac_Toe[0, 0] ==  Tic_Tac_Toe[1, 1] && Tic_Tac_Toe[1, 1] == Tic_Tac_Toe[2, 2])            {                return Tic_Tac_Toe[0, 0];            }            if (Tic_Tac_Toe[0, 2] != 0 && Tic_Tac_Toe[0, 2] == Tic_Tac_Toe[1, 1] && Tic_Tac_Toe[1, 1] == Tic_Tac_Toe[2, 0])            {                return Tic_Tac_Toe[0, 2];            }                return 0;    }}