Beyond_Beyaan.BBScrollBarNoArrows.MouseHover C# (CSharp) Метод

        public bool MouseHover(int x, int y, float frameDeltaTime)
        {
            if (_isEnabled)
            {
                _scroll.MouseHover(x, y, frameDeltaTime);
                if (_scrollSelected)
                {
                    int newPosition;
                    if (_isHorizontal)
                    {
                        newPosition = _initialScrollPos + (x - (_isSlider ? (_xPos + (_scrollButtonLength / 2)) : _initialMousePos));
                    }
                    else
                    {
                        newPosition = _initialScrollPos + (y - (_isSlider ? (_yPos + (_scrollButtonLength / 2)) : _initialMousePos));
                    }
                    if (newPosition < 0)
                    {
                        newPosition = 0;
                    }
                    else if (newPosition > (_scrollBarLength - _scrollButtonLength))
                    {
                        newPosition = _scrollBarLength - _scrollButtonLength;
                    }
                    float itemsPerIncrement = ((_amountOfItems - _amountVisible) / (float)(_scrollBarLength - _scrollButtonLength));
                    int oldIndex = _topIndex;
                    _topIndex = (int)((itemsPerIncrement * newPosition) + 0.5f);
                    SetScrollButtonPosition();
                    return oldIndex != _topIndex;
                }
                return false;
            }
            return false;
        }