internal void AddConnection(Node targetNode, double distance, bool twoWay)
{
if (targetNode == null) throw new ArgumentNullException("targetNode");
if (targetNode == this) throw new ArgumentException("Node may not connect to itself.");
if (distance <= 0) throw new ArgumentException("Distance must be positive.");
_connections.Add(new NodeConnection(targetNode, distance));
if (twoWay) targetNode.AddConnection(this, distance, false);
}
private void ProcessNode(Node node, List<Node> queue)
{
var connections = node.Connections.Where(c => queue.Contains(c.Target));
foreach (var connection in connections)
{
double distance = node.DistanceFromStart + connection.Distance;
if (distance < connection.Target.DistanceFromStart)
{
connection.Target.DistanceFromStart = distance;
connection.Target.parent = node;
}
}
}
internal NodeConnection(Node target, double distance)
{
Target = target;
Distance = distance;
}
public void AddNode(string name)
{
var node = new Node(name);
Nodes.Add(name, node);
}
