public void AddEdge(int b, int e)
{
GVertex begin = existingVertices[b - 1];
GVertex end = existingVertices[e - 1];
string edgeString = string.Format("{0}-{1} Connected", begin.ID, end.ID);
connections.Add(new GEdge(edgeString, begin, end, "Black"));
}
public void DeleteEdge(int b)
{
GVertex begin = existingVertices[b - 1];
int i = 0;
while (i < connections.Count)
{
if (connections[i].Source == begin)
{
connections.Remove(connections[i]);
}
else
{
i++;
}
}
}
bool DFS0(int start, int finish, int goal, bool Found)
{
//Variables
GVertex S = existingVertices[start - 1];
if (start == finish) // basis 1 : Node sekarang adalah node finish
{
S.VertexColor = "Yellow";
Thread.Sleep(500);
S.VertexColor = "Black";
Thread.Sleep(500);
if (start == goal) // cek apakah node sekarang adalah node yang dicari
{
S.VertexColor = "Green";
Thread.Sleep(500);
S.VertexColor = "Black";
Thread.Sleep(500);
return(true);
}
else
{
if (Found)
{
S.VertexColor = "Green";
Thread.Sleep(500);
}
else
{
S.VertexColor = "Red";
Thread.Sleep(500);
}
S.VertexColor = "Black";
return(Found);
}
}
else if (graph.OutDegree(S) == 0) // basis 2 : Node sekarang adalah node daun (Tidak memiliki child node lagi)
{
S.VertexColor = "Red";
Thread.Sleep(1000);
S.VertexColor = "Black";
return(false);
}
else
{
if (start == goal)
{
S.VertexColor = "Green";
Found = true;
}
S.VertexColor = "Blue";
Thread.Sleep(500);
int i = 0;
int N = graph.OutDegree(S);
bool FoundTemp = false;
while (i < N && !FoundTemp)
{
graph.OutEdge(S, i).EdgeColor = "Blue";
Thread.Sleep(500);
FoundTemp = DFS0(Convert.ToInt32(graph.OutEdge(S, i).Target.ID), finish, goal, Found); // rekursi
Thread.Sleep(500);
graph.OutEdge(S, i).EdgeColor = "Black";
Thread.Sleep(500);
i++;
}
S.VertexColor = "Black";
return(FoundTemp);
}
}