/// <summary>
/// Runs the mutation alogorithm through a genome with the given parameters.
/// </summary>
private void MutateGenome(Genome g, float topologyMutationChancePerGenome, float weightMutationChancePerGenome, bool multipleMutationsPerGenomeAllowed, float reducationFactor, MutationInformation info)
{
// If the genome has no connections, it can only mutate topology
if (g.EnabledConnections.Count() == 0)
{
topologyMutationChancePerGenome += weightMutationChancePerGenome;
weightMutationChancePerGenome = 0;
}
double rng = Random.NextDouble();
int numMutations = 0;
while (rng <= ((topologyMutationChancePerGenome + weightMutationChancePerGenome) * (Math.Pow(1 - reducationFactor, numMutations))))
{
if (rng <= topologyMutationChancePerGenome)
{
TopologyMutatedGenomes.Add(g);
TopologyMutator.MutateTopology(g, info, NewNodeMutations, NewConnectionMutations);
}
else
{
WeightMutatedGenomes.Add(g);
WeightMutator.MutateWeight(g, info);
}
numMutations++;
rng = multipleMutationsPerGenomeAllowed ? Random.NextDouble() : 1; // Allows for multiple mutations per genome
}
}
private void MutateTopology(GenomeVisualizer gv, Genome g)
{
if (g != null)
{
TopologyMutator.MutateTopology(g, null, NewNodeMutations, NewConnectionMutations);
gv.VisualizeGenome(g, false, true);
}
}