gistfile1.txt

using System;

namespace Methods5
{
    internal class Program
    {
        static void Main(string[] args)
        {
            bool isOpen = true;

            char[,] charsOfMap =
            {
                {'#','#','#','#','#','#','#','#','#','#','#','#','#','#','#','#','#',},
                {'#',' ',' ',' ','#',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','#',},
                {'#',' ',' ',' ','#',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','#',},
                {'#',' ',' ',' ','#',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','#',},
                {'#',' ',' ',' ','#',' ',' ',' ',' ','f',' ',' ',' ',' ',' ',' ','#',},
                {'#',' ','f',' ','#',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','#',},
                {'#',' ',' ',' ','#',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','#',},
                {'#',' ',' ',' ','#',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','#',},
                {'#',' ',' ','f','#',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','#',},
                {'#',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','#',},
                {'#',' ',' ',' ',' ',' ',' ',' ','f',' ',' ',' ',' ',' ',' ',' ','#',},
                {'#',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','#',},
                {'#','#','#','#','#','#','#','#','#','#','#','#','#','#','#','#','#',},
            };

            char player = '@';

            int playerPositionX = 3;
            int playerPositionY = 2;
            int fruits = 0;

            while (isOpen)
            {
                charsOfMap[playerPositionY, playerPositionX] = player;

                DrawMap(charsOfMap);

                Console.Write($"\n\nФруктов в мешке: {fruits}.");

                MovePlayer(player, charsOfMap, ref playerPositionX, ref playerPositionY, ref fruits);
            }
        }

        private static void GetNewPosition(ref int newPositionX, ref int newPositionY)
        {
            const ConsoleKey KeyMoveRight = ConsoleKey.RightArrow;
            const ConsoleKey KeyMoveLeft = ConsoleKey.LeftArrow;
            const ConsoleKey KeyMoveUp = ConsoleKey.UpArrow;
            const ConsoleKey KeyMoveDown = ConsoleKey.DownArrow;

            ConsoleKeyInfo userInput = Console.ReadKey();

            switch (userInput.Key)
            {
                case KeyMoveDown:
                    newPositionY++;
                    break;

                case KeyMoveUp:
                    newPositionY--;
                    break;

                case KeyMoveLeft:
                    newPositionX--;
                    break;

                case KeyMoveRight:
                    newPositionX++;
                    break;
            }
        }

        private static void MovePlayer(char player, char[,] charsOfMap, ref int playerPositionX, ref int playerPositionY, ref int fruits)
        {
            int newPositionX = playerPositionX;
            int newPositionY = playerPositionY;

            char wallSymbol = '#';
            char emptynessSymbol = ' ';

            GetNewPosition(ref newPositionX, ref newPositionY);

            TakeFruitIfCan(charsOfMap, newPositionY, newPositionX, ref fruits);

            if (charsOfMap[newPositionY, newPositionX] != wallSymbol)
            {
                charsOfMap[playerPositionY, playerPositionX] = emptynessSymbol;
                playerPositionX = newPositionX;
                playerPositionY = newPositionY;
            }
        }

        private static void TakeFruitIfCan(char[,] charsOfMap, int fruitPositionY, int fruitPositionX, ref int fruits)
        {
            char fruitSymbol = 'f';

            if (charsOfMap[fruitPositionY, fruitPositionX] == fruitSymbol)
            {
                fruits++;
            }
        }

        private static void DrawMap(char[,] charsOfMap)
        {
            Console.Clear();

            for (int i = 0; i < charsOfMap.GetLength(0); i++)
            {
                for (int j = 0; j < charsOfMap.GetLength(1); j++)
                {
                    Console.Write(charsOfMap[i, j]);
                }
                Console.WriteLine();
            }
        }
    }
}