/// <summary>
/// this will only work if both nodes are already in the graph, it won't! add them.
/// </summary>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="value"></param>
/// <returns>the edge if it is created, null otherwise</returns>
public GraphEdge <T> createEdge(GraphNode <T> start, GraphNode <T> end, float value = 1)
{
if (start != null && end != null)
{
var edge = new GraphEdge <T>(start, end, value);
start.AddEdgeTwoWay(edge);
end.AddEdgeTwoWay(edge);
_edges.Add(edge);
return(edge);
}
return(null);
}
/// <summary>
/// this will only work if both values are already in the graph, it won't! add them.
/// </summary>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="value"></param>
/// <returns>the created edge, if it exist, otherwise null</returns>
public GraphEdge <T> createEdge(T start, T end, float value = 1)
{
if (_nodes[start] != null && _nodes[end] != null)
{
var edge = new GraphEdge <T>(_nodes[start], _nodes[end], value);
_nodes[start].AddEdgeTwoWay(edge);
_nodes[end].AddEdgeTwoWay(edge);
_edges.Add(edge);
return(edge);
}
return(null);
}