public MainMenu(ContentManager content, string texturePrefix, string[] textures, Vector3[] positions, Vector2[] sizes)
        {
            _ButtonList = new List<PlanarButton>();
            for(int i=0; i<textures.Length; i++)
            {
                PlanarButton planarButtonTemp = new PlanarButton(content, texturePrefix + textures[i], sizes[i], _Scale, positions[i], Matrix.Identity);
                planarButtonTemp.EnableAnimation(false);
                _ButtonList.Add(planarButtonTemp);
            }
            _nButton = _ButtonList.Count;
            this._MainMenuVideoPlayer = new MyVideoPlayer();
            this._MainMenuVideoPlayer.SetVideoToPlay(BACKGROUND_VIDEO, content);
            _focusButton = 0;

            this._Title = new PlanarModel(content, TITLE, TITLE_SIZE, this._Scale, TITLE_POSITION, Matrix.Identity);
            this._Title.IsAnimate = false;
        }
        public OptionMenu(ContentManager content, 
            string texturePrefix, string[] textures,
            Vector3[] positions, Vector2[] sizes)
        {
            _ButtonList = new List<PlanarButton>();
            _PlanarTitle = new PlanarModel(content,
                texturePrefix + textures[0],
                sizes[0],
                _Scale,
                positions[0],
                Matrix.Identity);
            this._PlanarTitle.IsAnimate = false;

            for(int i=1; i<textures.Length-1; i++)
            {
                PlanarButton planarButtonTemp = new PlanarButton(content,
                    texturePrefix + textures[i],
                    sizes[i],
                    _Scale,
                    positions[i],
                    Matrix.Identity);
                planarButtonTemp.EnableAnimation(false);
                _ButtonList.Add(planarButtonTemp);
            }

            _PlanarPartOfBar = new PlanarModel(content,
                texturePrefix + textures[textures.Length - 1],
                sizes[textures.Length - 1],
                _Scale,
                positions[textures.Length - 1],
                Matrix.Identity);
            _PlanarPartOfBar.IsAnimate = false;
            _OriginalPositionBar = positions[textures.Length - 1];
            _nButton = _ButtonList.Count;
            this._MainMenuVideoPlayer = new MyVideoPlayer();
            this._MainMenuVideoPlayer.SetVideoToPlay(backgroundVideo, content);

            //Khoi tao
            _focusButton = 0;
            _volume = 3;
            _difficuty = 3;
        }