static Point FindNext(pathdirection dir, Point node)
{
Point nextLoc = null;
switch (dir)
{
case pathdirection.north:
nextLoc = node.x - 1 >= 0 ? new Point(node.x - 1, node.y) : null;
break;
case pathdirection.south:
nextLoc = node.x + 1 < points.GetLength(0) ? new Point(node.x + 1, node.y) : null;
break;
case pathdirection.east:
nextLoc = node.y + 1 < points.GetLength(0) ? new Point(node.x, node.y + 1) : null;
break;
case pathdirection.west:
nextLoc = node.y - 1 >= 0 ? new Point(node.x, node.y - 1) : null;
break;
default:
break;
}
return(nextLoc);
}
static int AddNextNode(pathdirection dir, Node node)
{
Point nextNode = FindNext(dir, node.Locate);
if (nextNode != null && points[nextNode.x][nextNode.y] < node.NodeValue)
{
allNodes.Add(new Node(runningValueID++, nextNode, points[nextNode.x][nextNode.y], node.Id, runningLevel + 1));
return(1);
}
return(0);
}
