CSharpTask

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

namespace CSharpLightTask
{
    class Program
    {
        static void Main(string[] args)
        {
            bool isPlaying = true;
            int playerX, playerY;
            int playerDX = 0, playerDY = 0;

            char[,] map = { { '#','#','#','#','#'},
                            { '#',' ',' ',' ','#'},
                            { '#',' ','@',' ','#'},
                            { '#',' ',' ',' ','#'},
                            { '#','#','#','#','#'} };

            DrawMap(map, out playerX, out playerY);

            while (isPlaying)
            {
                Console.CursorVisible = false;

                if (Console.KeyAvailable)
                {
                    ConsoleKeyInfo key = Console.ReadKey(true);

                    switch (key.Key)
                    {
                        case ConsoleKey.UpArrow:
                            playerDX = -1; playerDY = 0;
                            break;
                        case ConsoleKey.DownArrow:
                            playerDX = 1; playerDY = 0;
                            break;
                        case ConsoleKey.LeftArrow:
                            playerDX = 0; playerDY = -1;
                            break;
                        case ConsoleKey.RightArrow:
                            playerDX = 0; playerDY = 1;
                            break;
                    }
                    if (map[playerX + playerDX, playerY + playerDY] != '#')
                    {
                        Console.SetCursorPosition(playerY, playerX);
                        Console.Write(" ");

                        playerX += playerDX;
                        playerY += playerDY;

                        Console.SetCursorPosition(playerY, playerX);
                        Console.Write('@');
                    }
                }
            }
            Console.ReadKey();
        }

        static void DrawMap(char[,] map, out int playerX, out int playerY)
        {
            playerX = 0;
            playerY = 0;

            for (int i = 0; i < map.GetLength(0); i++)
            {
                for (int j = 0; j < map.GetLength(1); j++)
                {
                    Console.Write(map[i, j]);
                    if (map[i, j] == '@')
                    {
                        playerX = i;
                        playerY = j;
                    }
                }
                Console.WriteLine();
            }
        }

    }
}