C#實現猜拳小遊戲

1.使用GUID實現真正的隨機數
2.重複遊戲
3.計算分數

using System;
using System.Diagnostics;

namespace 猜拳小遊戲
{
    /// <summary>
    /// 0代表石頭，1代表剪刀，2代表布
    /// 三局兩勝，結束打印出分數和勝利者
    /// </summary>
    class Program
    {
        static void Main(string[] args)
        {
            int yourScore = 0;                        //你的分數
            int computerScore = 0;                    //電腦的分數
            string[] descs = new string[3] { "石頭","剪刀","布"};

            Console.WriteLine("開始玩猜拳小遊戲!");
     
            while (true)
            {
                for (int i = 0; i < 3; i++)
                {
                    Console.WriteLine("輸入你出什麼？");
                    string yourDesc = string.Empty;
                    int yourSelector = -1;
                    while (true)
                    {
                        yourDesc = Console.ReadLine();
                        if(yourDesc == "石頭")
                        {
                            yourSelector = 0;
                            break;
                        }
                        else if(yourDesc == "剪刀")
                        {
                            yourSelector = 1;
                            break;
                        }
                        else if(yourDesc == "布")
                        {
                            yourSelector = 2;
                            break;
                        }
                        else
                        {
                            Console.WriteLine("輸入錯誤，情重新輸入!");
                        }
                    }
                    Console.WriteLine("你選擇的是" + yourDesc);
                    int computerSelector = GetRandomByGuid(0, 3);
                    string result = string.Empty;
                    switch (IsWin(yourSelector,computerSelector))
                    {
                        case 0:
                            result = "你輸了!";
                            computerScore++;
                            break;
                        case 1:
                            result = "平局!";
                            break;
                        case 2:
                            result = "你贏了!";
                            yourScore++;
                            break;
                        default:
                            break;
                    }
                    Console.WriteLine(computerSelector + "計算機選擇" + descs[computerSelector]+" "+result);
                }
                Console.WriteLine("電腦分數："+computerScore);
                Console.WriteLine("你的分數："+yourScore);
                string winer="";
                if (computerScore > yourScore)
                    winer = "勝利者：電腦";
                else if (computerScore < yourScore)
                    winer = "勝利者：你";
                else
                    winer = "平手";
                Console.WriteLine("最終結果："+winer);
                Console.WriteLine("是否需要重來：輸入1重來，輸入其他退出!");
                char other = Console.ReadKey().KeyChar;
                if(other!='1')
                {
                    return;
                }
            }
        }

        /// <summary>
        /// 判斷一局的正負
        /// </summary>
        /// <param name="yourSelector"></param>
        /// <param name="computerSelector"></param>
        /// <returns></returns>
        static int IsWin(int yourSelector,int computerSelector)
        {
            if (yourSelector == computerSelector)
                return 1;
            else if (
                yourSelector == 0 && computerSelector == 1
               ||
               yourSelector == 1 && computerSelector == 2
               ||
               yourSelector == 2 && computerSelector == 0
                )
            {
                return 2;
            }
            return 0;
        }

        /// <summary>
        /// 使用Guid產生的種子生成真隨機數
        /// </summary>
        static int GetRandomByGuid(int min,int max)
        {
            Random random = new Random(GetRandomSeedbyGuid());
            int randNum = random.Next(min,max);
            return randNum;
        }
        /// <summary>
        /// 使用Guid生成種子
        /// </summary>
        /// <returns></returns>
        static int GetRandomSeedbyGuid()
        {
            return new Guid().GetHashCode();
        }

    }
}