2048게임

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _2048Game_practice
{
    internal class App
    {
        public App()
        {
            Game game = new Game();
            game.Start();
            game.Print();
            game.StartMoveLeft();
            game.Print();
            game.AddNum();
            game.Print();
            Console.WriteLine();

            game.StartMoveLeft();
            game.Print();
            game.AddNum();
            game.Print();
            Console.WriteLine();

            game.StartMoveLeft();
            game.Print();
            game.AddNum();
            game.Print();
            Console.WriteLine();

            game.StartMoveLeft();
            game.Print();
            game.AddNum();
            game.Print();
            Console.WriteLine();

            game.StartMoveLeft();
            game.Print();
            game.AddNum();
            game.Print();

        }
    }
}

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _2048Game_practice
{
    public class Game
    {
        public int[] board;
        private Random rand;

        //생성자
        public Game()
        {
            this.board = new int[4];
            this.rand = new Random();
        }

        public void Start()
        {    
            int index = this.rand.Next(0, 4);
            this.board[index] = 2;
        }

        public void AddNum()
        {

            int len = 0;

            for (int i = 0; i < this.board.Length; i++)
            {
                int num = this.board[i];
                if (num == 0)
                {
                    //Console.WriteLine(i);
                    len++;
                }
            }

            int[] temp = new int[len];
            int idex = 0;
            for (int i = 0; i < this.board.Length; i++)
            {
                int num = this.board[i];
                if (num == 0)
                {
                    temp[idex++] = i;
                }
            }

            int tempIdx = this.rand.Next(temp.Length);

            this.board[temp[tempIdx]] = 2;

            Console.WriteLine("addnum");

        }

        public void StartMoveLeft()
        {
            int index = -1;     //지역변수 초기화 
            int num = -1;
            //몇회 MoveLeftOnce를 호출 할것인가?

            for (int i = 0; i < this.board.Length; i++)
            {
                num = this.board[i];
                if (num != 0)
                {
                    index = i;
                }
            }

            for (int i = 0; i < index; i++)
            {
                {
                    this.MoveLeftOnce();
                }

            }
            Console.WriteLine("<----------------");
           
        }


        public void MoveLeftOnce()
        {
            for (int i = 0; i < this.board.Length; i++)
            {
                int num = this.board[i];
                if (num != 0)
                {
                    if ((i != 0) && (this.board[i-1] == 0))
                    {
                        Console.WriteLine("{0}인덱스에 있는 {1}값을 {2}인덱스로 이동", i, num, i - 1);
                        this.board[i - 1] = num;
                        this.board[i] = 0;
                    }
                    else if ((i !=0) && (this.board[i] == this.board[i - 1]))
                    {
                        Console.WriteLine("{0}인덱스에 있는 {1}값을 {2}인덱스로 이동", i, num, i - 1);
                        this.board[i-1] *= 2;
                        this.board[i] = 0;
                    }
                }
            }
        }


        public void Print()
        {
            int printIndex = 0;
            for(int i = 0; i < 4; i++)
                {
                Console.Write("{0}  ", this.board[printIndex]);
                printIndex++;
                }
            Console.WriteLine("");
            //0 0 0 0
        }

    }
}

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