private int getNeighborNum(PersonNode node)
        {
            int sum = 0;

            PlaceNode[,] nodes = FloorPlanManager.getInstance().getNodes();
            List <Point> neighborPoints = GlobalController.getInstance().findNeighborsWithoutBlock(node.getPosition(), 3);

            foreach (Point point in neighborPoints)
            {
                sum += nodes[point.x, point.y].getPersonNum();
            }
            return(sum);
        }
        private void increaseNeighborScareValue(PersonNode personNode)
        {
            List <Point> neighborPoints = GlobalController.getInstance().findNeighborsWithoutBlock(personNode.getPosition(), 3);

            foreach (PersonNode node in personList)
            {
                if (neighborPoints.Contains(node.getPosition()))
                {
                    node.increaseScareValue();
                }
            }
        }