ConsoleGame1

using System;
using System.Text;
using System.Threading;

class ConsoleGame
{
    static Random randomPosition = new Random();
    static char[,] matrix;
    static void Main()
    {
        //Console.BackgroundColor = ConsoleColor.Black;
        //Console.ForegroundColor = ConsoleColor.Gray;
        //Console.Clear();
        Console.OutputEncoding = Encoding.Unicode;
        Console.CursorVisible = false;
        int windowHeight = Console.BufferHeight = Console.WindowHeight = 30;
        int playfield = windowHeight - 7; //last 10 rows for score, lives, bonuses, etc.
        int windowWidth = Console.BufferWidth = Console.WindowWidth = 50;
        Console.SetCursorPosition(0, playfield);
        Console.WriteLine(new String('═', windowWidth));
        matrix = new char[playfield, windowWidth];
        GenerateRightColumnOfSymbols(playfield, windowWidth, matrix);
    }


    static void GenerateRightColumnOfSymbols(int playfield, int windowWidth, char[,] matrix)
    {
        Random randomEnemySymbol = new Random();
        int symbolPosition = randomPosition.Next(0, playfield - 1);
        char[] popeyeBonusSymbols = { 'S' };
        Random bonusSymbol = new Random();
        int indexBonusSymbol = bonusSymbol.Next(0, popeyeBonusSymbols.Length);
        char[] symbols = { '#', '@', '*', (char)0xF, popeyeBonusSymbols[indexBonusSymbol] };
        int indexEnemySymbol = randomEnemySymbol.Next(0, symbols.Length);
        matrix[symbolPosition, windowWidth - 1] = symbols[indexEnemySymbol];
        MovingToNextColumnEnemySymbols(symbolPosition, symbols[indexEnemySymbol], matrix);
    }

    static void MovingToNextColumnEnemySymbols(int symbolPosition, char symbol, char[,] matrix)
    {
        while (true)
        {
            PrintMatrix(matrix);
            Thread.Sleep(150);
            for (int rows = 0; rows < matrix.GetLength(0); rows++)
            {
                for (int col = 0; col < matrix.GetLength(1) - 1; col++)
                {
                    matrix[rows, col] = matrix[rows, col + 1];
                    matrix[rows, col + 1] = '\0';
                }
            }
            GenerateRightColumnOfSymbols(matrix.GetLength(0), matrix.GetLength(1), matrix);
        }
    }

    static void PrintMatrix(char[,] matrix)
    {
        //Console.Clear();
        Console.SetCursorPosition(0, 0);
        for (int rows = 0; rows < matrix.GetLength(0); rows++)
        {
            for (int col = 0; col < matrix.GetLength(1); col++)
            {
                Console.Write(matrix[rows, col]);
            }
        }
    }
}