private void generateNewBtn_Click(object sender, EventArgs e)
{
//try
//{
//{
status.Text = "Generating a new pop";
int popC = int.Parse(populationCount.Text);
List <NeuroNetGenome> population = new List <NeuroNetGenome>();
for (int i = 0; i < popC; ++i)
{
CNeuroNetWrapper net = new CNeuroNetWrapper(3, 1);
CNeuroNetWrapper.Connection c = new CNeuroNetWrapper.Connection(r.Next(net.InputsCount), r.Next(net.InputsCount, net.InputsCount + net.OutputsCount), (r.NextDouble() - r.NextDouble()) * 2);
net.Connections.Add(c);
population.Add(new NeuroNetGenome(net));
}
_results = teacher.AddNewGeneration(population);
IndividualSelector.Maximum = (Decimal)population.Count;
status.Text = "Generated a new pop";
//}
/*catch (System.Exception ex)
* {
* MessageBox.Show("Input error.", "Input error", MessageBoxButtons.OK, MessageBoxIcon.Error);
* }*/
}
public IGenome <CNeuroNetWrapper> ProceedStructuralMutation()
{
NeuroNetGenome copy = new NeuroNetGenome(this);
CNeuroNetWrapper.Connection con = null;
int maxCon = copy._neuroNet.Nodes.Count * (copy._neuroNet.Nodes.Count - copy._neuroNet.InputsCount);
double chance = copy._neuroNet.Connections.Count / (double)maxCon;
if (GenomeRandom.NextDouble() < chance)
{
do
{
foreach (var c in copy._neuroNet.Connections)
{
if (GenomeRandom.NextDouble() < (1.0 / copy._neuroNet.Connections.Count))
{
con = c;
break;
}
}
} while (con == null);
int from = con.From;
int to = con.To;
copy._neuroNet.Connections.Remove(con);
int nodeId = copy._neuroNet.Nodes.Count;
copy._neuroNet.AddNode(nodeId);
copy._neuroNet.AddConnection(from, nodeId, (GenomeRandom.NextDouble() - GenomeRandom.NextDouble()) * 2);
copy._neuroNet.AddConnection(nodeId, to, (GenomeRandom.NextDouble() - GenomeRandom.NextDouble()) * 2);
}
else
{
int from = GenomeRandom.Next(copy._neuroNet.Nodes.Count);
int to = GenomeRandom.Next(copy._neuroNet.InputsCount - 1, copy._neuroNet.Nodes.Count);
copy._neuroNet.AddConnection(from, to, (GenomeRandom.NextDouble() - GenomeRandom.NextDouble()) * 2);
}
copy._structuralMutations += 1;
copy._nonStructuralMutations = 0;
copy.ParentResult = this.LastResult;
return(copy);
}
