EpPathFinding.cs.BaseGrid.GetNodeAt C# (CSharp) Method

        public abstract Node GetNodeAt(GridPos iPos);

        public JumpPointParam(BaseGrid iGrid, GridPos iStartPos, GridPos iEndPos, bool iAllowEndNodeUnWalkable = true, bool iCrossCorner = true, bool iCrossAdjacentPoint = true, HeuristicMode iMode = HeuristicMode.EUCLIDEAN)
        {
            switch (iMode)
            {
                case HeuristicMode.MANHATTAN:
                    m_heuristic = new HeuristicDelegate(Heuristic.Manhattan);
                    break;
                case HeuristicMode.EUCLIDEAN:
                    m_heuristic = new HeuristicDelegate(Heuristic.Euclidean);
                    break;
                case HeuristicMode.CHEBYSHEV:
                    m_heuristic = new HeuristicDelegate(Heuristic.Chebyshev);
                    break;
                default:
                    m_heuristic = new HeuristicDelegate(Heuristic.Euclidean);
                    break;
            }
            m_allowEndNodeUnWalkable = iAllowEndNodeUnWalkable;
            m_crossAdjacentPoint = iCrossAdjacentPoint;
            m_crossCorner = iCrossCorner;
            openList = new List<Node>();

            m_searchGrid = iGrid;
            m_startNode = m_searchGrid.GetNodeAt(iStartPos.x, iStartPos.y);
            m_endNode = m_searchGrid.GetNodeAt(iEndPos.x, iEndPos.y);
            if (m_startNode == null)
                m_startNode = new Node(iStartPos.x, iStartPos.y, true);
            if (m_endNode == null)
                m_endNode = new Node(iEndPos.x, iEndPos.y, true);
            m_useRecursive = false;
        }