Drawing a sinus with Console.WriteLine

console_sinus.cs

static void PrimitieveSinus()
{
    var positions = from x in Enumerable.Range(0,79)
                select new { x, y = (int)(Math.Sin(x) * 2) };

    positions = positions.OrderBy(p => p.y).ThenBy(p => p.x);

    var y_pos = positions.GroupBy(p => p.y).Select(p => p.Key);
    foreach (int y in y_pos)
    {
        var x_pos = positions.Where(p => p.y == y).Select(p => p.x);
        foreach (int x in x_pos)
        {
            Console.SetCursorPosition(x, Console.CursorTop);
            Console.Write("*");
        }
        Console.SetCursorPosition(0, Console.CursorTop + 1);
    }

    Console.SetCursorPosition(0, Console.CursorTop + 1);
}