/// <summary>
 /// The main entry point for the application.
 /// </summary>
 static void Main(string[] args)
 {
     using (Game1 game = new Game1())
     {
         game.Run();
     }
 }
 public Game1()
 {
     instance = this;
     graphics = new GraphicsDeviceManager(this);
     Content.RootDirectory = "Content";
 }