public PathEdge(
Vector2 source,
Vector2 destination,
Node fromNode,
Node toNode,
Edge edge,
PathManager pathManager,
GameObject movingObject)
{
Source = source;
Destination = destination;
FromNode = fromNode;
ToNode = toNode;
Edge = edge;
PathManager = pathManager;
MovingObject = movingObject;
MovingEntity = movingObject.GetComponent<MovingEntity>();
}
/// <summary>
/// Use this to add an edge to the graph. The method will ensure that the edge passed as a
/// parameter is valid before adding it to the graph. If the graph is a digraph then a
/// similar edge connecting the nodes in the opposite direction will be automatically added.
/// </summary>
/// <param name="edge">The edge.</param>
public void AddEdge(Edge edge)
{
// first make sure the from and to nodes exist within the graph
if (edge.From >= NextNodeIndex || edge.To >= NextNodeIndex)
{
Debug.LogError("SparseGraph.AddEdge: invalid node index.");
throw new System.Exception("SparseGraph.AddEdge: invalid node index.");
}
// make sure both nodes are active before adding the edge
if (Node.IsInvalidIndex(Nodes[edge.To].Index) ||
Node.IsInvalidIndex(Nodes[edge.From].Index))
{
return;
}
// add the edge, first making sure it is unique
if (UniqueEdge(edge.From, edge.To))
{
Edges[edge.From].AddLast(edge);
}
// if the graph is undirected we must add another connection
// in the opposite direction
if (IsDigraph)
{
return;
}
// check to make sure the edge is unique before adding
if (!UniqueEdge(edge.To, edge.From))
{
return;
}
var newEdge = new Edge(edge) { To = edge.From, From = edge.To };
Edges[edge.To].AddLast(newEdge);
}
public Edge(Edge src)
: this(src.From,
src.To,
src.Cost)
{
}