private static int DFS(Node Start)
{
if (Start.getGoal())
{
MessageBox.Show("Stigli smo do cilja, ura!");
return(1);
}
else
{
int k = 0;
Start.mark();
Start.getButton().Visible = false;
Start.getButton().Visible = true;
System.Threading.Thread.Sleep(10);
Start.getButton().BackColor = Color.Blue;
Node[] Neighbours = getUnmarkedNeighbours(Start, false);
while (Neighbours[k] != null)
{
if (!Neighbours[k].isMarked() && !Neighbours[k].isBarrier())
{
if (DFS(Neighbours[k]) == 1)
{
// Neighbours[k].getButton().BackColor = Color.Orange;
return(1);
}
}
k++;
}
return(0);
}
}
private static int ReconstructAzvezda(Node n)
{
while (n != null)
{
n.getButton().BackColor = Color.Orange;
n = n.CameFrom;
}
return(1);
}
private static int Astar(Node Start)
{
Node[] Neighbours = getUnmarkedNeighbours(Start, true).Where(c => c != null && !c.isMarked()).ToArray();
for (int i = 0; i < HEIGHT; i++)
{
for (int j = 0; j < WIDTH; j++)
{
Graph[i, j].calcDistanceToGoal();
}
}
// MessageBox.Show("");
Start.gScore = 0;
Start.getButton().Text = "0";
Neighbours[0] = Start;
while (Neighbours.Length > 0)
{
Neighbours = Neighbours.OrderBy(x => x.fScore).ToArray();
if (Neighbours[0].getGoal()) //reached the goal?
{
if (Neighbours[0].CameFrom == null) //failed to reconstruct path?
{
MessageBox.Show("Failed to find path, report to Boki");
}
else
{
MessageBox.Show("Shortest path of length " + Math.Round(Neighbours[0].gScore, 2) + " found");
}
ReconstructAzvezda(Neighbours[0].CameFrom);
return(2);
}
else
{
if (!Neighbours[0].isMarked() && !Neighbours[0].isBarrier())
{
Node[] backUp = getUnmarkedNeighbours(Neighbours[0], true).Where(c => c != null).ToArray();
for (int i = 0; i < backUp.Length; i++)
{
if (true)
{
int x1 = Neighbours[0].getJ(), x2 = backUp[i].getJ();
int y1 = Neighbours[0].getI(), y2 = backUp[i].getI();
double dist = Neighbours[0].gScore + Math.Sqrt(((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2)));
if (dist < backUp[i].gScore)
{
backUp[i].CameFrom = Neighbours[0];
backUp[i].gScore = dist;
backUp[i].fScore = dist + backUp[i].getDist();
}
backUp[i].getButton().Text = backUp[i].gScore.ToString();
}
}
Neighbours[0].mark();
Neighbours[0].getButton().Visible = false;
Neighbours[0].getButton().Visible = true;
Neighbours = Neighbours.Concat(backUp).ToArray();
}
Neighbours = Neighbours.Skip(1).ToArray();
}
}
MessageBox.Show("ne postoji put");
return(0);
}