public override Transition Update(GameTime gametime)
        {
            if (Engine.Systems.InputSystem.IsPressed(Keys.Escape))
            {
                return(new Transition()
                {
                    NextScreen = "mainmenu"
                });
            }
            if (Engine.Systems.InputSystem.IsPressed(Keys.Space))
            {
                _world.GenerateWorldPerlin();
            }

            return(null);
        }