CmdLineGame

using System;
namespace CmdLineGame {
    class MainClass {
        class Entity {
            public int x = 2, y = 3;            // the position of my game character
            public char playerIcon = '@';
            public Entity(int x, int y, char c) {
                this.x = x;
                this.y = y;
                this.playerIcon = c;
            }
            public bool IsHere(int y, int x) {
                return this.y == y && this.x == x;
            }
            public void Draw() { Console.Write (playerIcon); }
        }
        Entity[] players = new Entity[]{
            new Entity (2, 3, '@'),
            new Entity (9, 4, '$')
        };
        bool gameIsRunning = true;  // state of the game
        int input;                  // the input state from the user
        int width = 10, height = 5;
        public void DoGame() {
            while (gameIsRunning) { // <-- game loop
                // draw/render the game
                Console.SetCursorPosition (0, 0);
                for (int row = 0; row < height; row++) {
                    for (int col = 0; col < width; col++) {
                        bool foundPlayerHere = false;
                        for (int i = 0; i < players.Length; i++) {
                            if (players [i].IsHere (row, col)) {
                                players [i].Draw ();
                                foundPlayerHere = true;
                                break;
                            }
                        }
                        if(!foundPlayerHere) {
                            Console.Write ('.');
                        }
                    }
                    Console.Write ('\n');
                }
                // get input from the user
                input = Console.Read ();
                Update();
            }
        }
        public void Update() {
            if (input == 'w') { players[0].y--; }
            if (input == 's') { players[0].y++; }
            if (input == 'a') { players[0].x--; }
            if (input == 'd') { players[0].x++; }
            if (input == 27) { gameIsRunning = false; }
            if (players [0].x == players [1].x && players [0].y == players [1].y) {
                Console.WriteLine ("\nYou Win!");
                gameIsRunning = false;
            }
        }
        // Main is 'static' so it can be accessed before anything is instantiated
        public static void Main (string[] args) {
            MainClass mc = new MainClass ();
            mc.DoGame ();
        }
    }
}