private void CreateNeuronGene(CPPNNEATLinkGene selectedLink)
{
DisableLinkGene(selectedLink);
var newNeuron = ParentGA.GetHiddenNeuron(selectedLink.InnovationNumber);
TryAddLinkGene(new CPPNNEATLinkGene(ParentGA.GetEdgeInnovationNumber(selectedLink.From, newNeuron),
selectedLink.From, newNeuron, 1));
TryAddLinkGene(new CPPNNEATLinkGene(ParentGA.GetEdgeInnovationNumber(newNeuron, selectedLink.To),
newNeuron, selectedLink.To, selectedLink.Weight));
}
private bool TryCreateLinkGene(CPPNNEATNeuronGene from, CPPNNEATNeuronGene to)
{
if (to.Level == 0)
{
throw new ApplicationException("Links should not go into input or bias neurons");
}
else if (ParentGA.FeedForwardOnly && from.Level >= to.Level)
{
throw new ApplicationException("Cannot create recursive connections in feed forward only networks");
}
return(TryAddLinkGene(new CPPNNEATLinkGene(ParentGA.GetEdgeInnovationNumber(from, to), from, to,
ParentGA.GetRandomWeight())));
}
public void Initialise()
{
linkGeneMap.Clear();
neuronGeneSet.Clear();
possibleConnections.Clear();
orphanedNeurons.Clear();
sortedLinkGenesCacheExpired = true;
foreach (var linkGene in ParentGA.DefaultLinkGenes)
{
TryAddLinkGene(new CPPNNEATLinkGene(linkGene.InnovationNumber, linkGene.From,
linkGene.To, ParentGA.GetRandomWeight()));
}
}
