GridManager.ExistPath C# (CSharp) Method

    public bool ExistPath()
    {
        Debug.Log(" // Mark the path from monster to hero.");

        path = new List<Point>();

        Point startingPoint = FindCode( TileContent.Start );
        int pointX = startingPoint.x;
        int pointY = startingPoint.y;
        //        if (pointX == -1 && pointY == -1) return null;

        while (true)
        {
            // Look through each direction and find the square with the lowest number of steps marked.

            Point lowestPoint = new Point(0,0);
            int lowest = 10000;

            foreach ( Point movePoint in ValidMoves( pointX, pointY ) )
            {
                int count = squares[ movePoint.x, movePoint.y ].DistanceSteps;
                if (count < lowest){

                    lowest = count;
                    lowestPoint.x = movePoint.x;
                    lowestPoint.y = movePoint.y;
                }
            }
            if ( lowest != 10000 ){
                // Mark the square as part of the path if it is the lowest number.
                // Set the current position as the square with that number of steps.

                squares[ lowestPoint.x, lowestPoint.y ].IsPath = true;
                pointX = lowestPoint.x;
                pointY = lowestPoint.y;

                path.Add(  new Point( pointX, pointY ) );

                meshBoard.SetTileColor( Color.cyan, pointX, pointY);

            }else{
                break;
            }

            if ( squares[ pointX, pointY ].ContentCode == TileContent.Finish)
            {
               Debug.Log(" //We went from monster to hero, so we're finished.");

                break;
            }
        }

        Debug.Log("PathCount : " + path.Count);

        if( path != null ) return true;

        return false;
    }