void SortBasedDistance()
{
int tracker = 0;
while (tracker <= nodes.Count)
{
for (int i = 0; i < nodeCount - 1; i++)
{
DNANode temp = nodes[i];
float comparative1 = nodes[i].functionalCost;
float comparative2 = nodes[i + 1].functionalCost;
if (comparative1 > comparative2)
{
nodes[i] = nodes[i + 1];
nodes[i + 1] = temp;
tracker = 0;
}
else
{
tracker++;
}
}
}
//nodes.Reverse();
nodes[0].fittest = true;
}
void GenerateInitialPaths(DNANode n)
{
int totalMoves = 0;
while (!(n.x <= 0 || n.y <= 0 || n.x >= boardSize - 1 || n.y >= boardSize - 1))
{
if (n.isStuck)
{
break;
}
n.AddNewPath(rand.Next(availableMoves));
totalMoves++;
//Obstacle Logic
foreach (Obstacle ob in obstacles)
{
for (int k = 0; k < nodes.Count; k++)
{
if (!nodes[k].isStuck)
{
if (NeighboringObstacle(nodes[k], ob))
{
nodes[k].isStuck = true;
}
}
}
}
//this.Invalidate();
//this.Update();
//this.Refresh();
//System.Threading.Thread.Sleep(20);
//if (totalMoves >= boardSize * 5)
// break;
}
nodes[0].fittest = false;
for (int i = 0; i < nodeCount; i++)
{
nodes[i].distance = Distance(nodes[i].x, objX, nodes[i].y, objY);
nodes[i].functionalCost = nodes[i].distance / nodes[i].posPath.Count;
nodes[i].isStuck = false;
}
}
bool NeighboringObstacle(DNANode node, Obstacle obst)
{
if (obst != null)
{
for (int x = -1; x <= 1; x += 1)
{
for (int y = -1; y <= 1; y += 1)
{
if (obst.x == x + node.x && obst.y == y + node.y)
{
return(true);
}
}
}
}
return(false);
}
void SelectParentsActivateBreed()
{
SortBasedDistance();
List <DNANode> newNodes = new List <DNANode>();
for (int i = 0; i < nodeCount; i++)
{
newNodes.Add(Breed(nodes[0], nodes[rand.Next((nodes.Count / 3) - 1)]));
nodes[i].x = resetX;
nodes[i].y = resetY;
}
//nodes.Clear();
//nodes = newNodes;
//this.Invalidate();
//this.Update();
//this.Refresh();
//MessageBox.Show(nodes.Count.ToString());
for (int i = 0; i < nodes.Count; i++)
{
DNANode n = nodes[i];
int pathCount = newNodes[i].path.Count;
nodes[i].path.Clear();
nodes[i].posPath.Clear();
//MessageBox.Show("Node " + i);
//MessageBox.Show(pathCount.ToString());
//MessageBox.Show(nodes[i].x + ", " + nodes[i].y);
for (int p = 0; p < pathCount; p++)
{
//MessageBox.Show(nodes[i].x + "," + nodes[i].y);
//this.Invalidate();
//this.Update();
//this.Refresh();
if (!(n.x <= 0 || n.y <= 0 || n.x >= boardSize - 1 || n.y >= boardSize - 1) &&
!nodes[i].isStuck)
{
//MessageBox.Show(newNodes[i].path[p].ToString());
nodes[i].AddNewPath(newNodes[i].path[p]);
//Obstacle Logic
foreach (Obstacle ob in obstacles)
{
for (int k = 0; k < nodes.Count; k++)
{
if (!nodes[k].isStuck)
{
if (NeighboringObstacle(nodes[k], ob))
{
nodes[k].isStuck = true;
}
}
}
}
}
else
{
break;
}
}
this.Invalidate();
this.Update();
this.Refresh();
}
for (int i = 0; i < nodes.Count; i++)
{
nodes[i].distance = Distance(nodes[i].x, objX, nodes[i].y, objY);
nodes[i].functionalCost = nodes[i].distance / nodes[i].posPath.Count;
nodes[i].isStuck = false;
}
}
DNANode Breed(DNANode p1, DNANode p2)
{
List <int> newPath = new List <int>();
for (int i = 0; i < p1.path.Count / 2; i++)
{
newPath.Add(p1.path[i]);
}
for (int i = p2.path.Count / 2; i < p2.path.Count; i++)
{
newPath.Add(p2.path[i]);
}
/*
* Potential Breeding methodology *
*/
//List<int> newPath = new List<int>();
//int pathSize = 0;
//DNANode shortest;
//DNANode longest;
//if (p1.path.Count > p2.path.Count)
//{
// shortest = p2;
// longest = p1;
//}
//else
//{
// shortest = p1;
// longest = p2;
//}
//pathSize = shortest.path.Count;
//for(int i = 0; i < pathSize; i++)
//{
// if (i % 2 == 0)
// {
// newPath.Add(shortest.path[i]);
// }
// else
// newPath.Add(longest.path[i]);
//}
//for(int i = pathSize; i < longest.path.Count; i++)
//{
// newPath.Add(longest.path[i]);
//}
//List<int> newPath2 = new List<int>();
//for (int i = 0; i < p2.path.Count / 2; i++)
//{
// newPath2.Add(p1.path[i]);
//}
//for (int i = p1.path.Count / 2; i < p1.path.Count; i++)
//{
// newPath2.Add(p2.path[i]);
//}
//List<int> newPath = new List<int>();
//for(int i = 0; i < newPath1.Count; i++)
//{
// newPath.Add((newPath1[i] + newPath2[i]) / 2);
//}
//Mutation
if (generation % 2 == 0 && rand.Next(100) >= 25)
{
if (newPath.Count > 0)
{
if (rand.Next(2) == 1)
{
newPath[rand.Next(newPath.Count - 1)] = rand.Next(availableMoves);
}
else
{
for (int i = 0; i < 5; i++)
{
newPath.Add(rand.Next(availableMoves));
}
}
}
mutations++;
}
DNANode child = new DNANode(resetX, resetY, p1.brushColor);
child.path = newPath;
return(child);
}
