protected override void Update(GameTime gameTime)
{
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
Manejador.tiempoDelta = (float)gameTime.ElapsedGameTime.TotalSeconds;
Entrada.ActualizarEntrada();
ManejadorEscenas.Actualizar();
IsMouseVisible = Manejador.MostrarCursor;
base.Update(gameTime);
}