private void CheckNodesChanged()
{
//Check if the nodes have been changed
bool hasChangedNodeA = _lastNodeA == null && nodeA != null || _lastNodeA != null && _lastNodeA != nodeA;
bool hasChangedNodeB = _lastNodeB == null && nodeB != null || _lastNodeB != null && _lastNodeB != nodeB;
//Invoke OnNodesChanged
List <PTGraphNode> changedNodes = new List <PTGraphNode>();
if (hasChangedNodeA)
{
changedNodes.Add(nodeA);
}
if (hasChangedNodeB)
{
changedNodes.Add(nodeB);
}
if (changedNodes.Count != 0)
{
OnNodesChanged(changedNodes);
}
//Update last nodes
_lastNodeA = nodeA;
_lastNodeB = nodeB;
}
private void Awake()
{
datetimeConstructed = DateTime.Now;
_lastNodeA = nodeA;
_lastNodeB = nodeB;
RegisterToNodes();
OnNodesChanged = (nodes) => RegisterToNodes();
}
public bool IsNodeA(PTGraphNode node)
{
return(nodeA != null && nodeA == node || nodeA == null && node == null);
}
public bool ContainsNode(PTGraphNode node)
{
return(IsNodeA(node) || IsNodeB(node));
}
public bool IsNodeB(PTGraphNode node)
{
return(nodeB != null && nodeB == node || nodeB == null && node == null);
}
/// <summary>
/// Returns the shortest distance between nodeA and node B.
/// </summary>
/// <param name="nodeA"></param>
/// <param name="nodeB"></param>
/// <returns>Returns the distance if two nodes are connected. Returns -1 if they are not.</returns>
public static int ShortestDistanceBetween(PTGraphNode nodeA, PTGraphNode nodeB)
{
throw new NotImplementedException();
}
/// <summary>
/// Find the shortest path to a node from this node
/// </summary>
/// <param name="destination"></param>
/// <returns>The list with right sequence</returns>
public List <PTGraphEdge> ShortestDistanceTo(PTGraphNode destination)
{
throw new NotImplementedException();
}