snake-csharp/Snake.CLI/Program.cs

using Snake.CLI;
using Snake.Core;

const int boardWidth = 20;
const int boardHeight = 15;
const int tickMs = 120;

SnakeGame game = new(boardWidth, boardHeight);
ConsoleRenderer.Render(game);

while (true)
{
    if (Console.KeyAvailable)
    {
        var key = Console.ReadKey(intercept: true).Key;

        switch (key)
        {
            case ConsoleKey.UpArrow:
                game.SetDirection(Direction.Up);
                break;
            case ConsoleKey.DownArrow:
                game.SetDirection(Direction.Down);
                break;
            case ConsoleKey.LeftArrow:
                game.SetDirection(Direction.Left);
                break;
            case ConsoleKey.RightArrow:
                game.SetDirection(Direction.Right);
                break;
            case ConsoleKey.Q:
                return;
            case ConsoleKey.R when game.IsGameOver:
                game = new SnakeGame(boardWidth, boardHeight);
                break;
        }
    }

    if (!game.IsGameOver)
        game.Tick();

    ConsoleRenderer.Render(game);
    Thread.Sleep(tickMs);
}