public void Mutate_RemoveNeurons() { var neuronMap = new Dictionary <int, RMP_NeuronGene>(); //Remove Neurons if (NeuronRemoveChance.Value > Pseudo.Random.NextDouble()) { int count = 0; foreach (var neuron in HiddenNeuronGenes) { neuron.Name += "-" + count.ToString(); neuronMap.Add(count, neuron); count++; } int removeCount = 1; for (int n = 0; n < removeCount; n++) { int neuronIndex; do { neuronIndex = Pseudo.Random.Next(HiddenNeuronGenes.Count); } while (HiddenNeuronGenes[neuronIndex] == null); var gene = HiddenNeuronGenes[neuronIndex]; HiddenNeuronGenes[neuronIndex] = null; neuronMap.Remove(neuronIndex); } HiddenNeuronGenes.Clear(); HiddenNeuronGenes.AddRange(from key in neuronMap.Keys orderby Convert.ToInt32(key) select neuronMap[key]); foreach (RMP_NeuronGene neuronGene in neuronMap.Values.Concat(this.Inputs)) { foreach (var connection in new List <RMP_ConnectionGene>(neuronGene.Connections)) { if (!connection.IsOutputConnection) { if (neuronMap.ContainsKey(connection.Target)) { var target = neuronMap[connection.Target]; connection.Target = HiddenNeuronGenes.IndexOf(target); } else { neuronGene.Connections.Remove(connection); } } } } } }
public void Mutate_RemoveNeurons() { var neuronMap = new Dictionary <int, SpNeuronGene>(); //Remove Neurons if (NeuronRemoveChance.Value > Pseudo.Random.NextDouble()) { int count = 0; foreach (var neuron in HiddenNeuronGenes) { neuronMap.Add(count, neuron); count++; } int removeCount = Pseudo.Random.Next((int)Math.Round(HiddenNeuronGenes.Count * MaxNeuronRemoving.Value, 0)); for (int n = 0; n < removeCount; n++) { int neuronIndex; do { neuronIndex = Pseudo.Random.Next(HiddenNeuronGenes.Count); } while (HiddenNeuronGenes[neuronIndex] == null); var gene = HiddenNeuronGenes[neuronIndex]; HiddenNeuronGenes[neuronIndex] = null; neuronMap.Remove(neuronIndex); } HiddenNeuronGenes.Clear(); HiddenNeuronGenes.AddRange(from key in neuronMap.Keys orderby key select neuronMap[key]); foreach (var neuronGene in neuronMap.Values.Concat(EyeRNeuronGenes).Concat(EyeGNeuronGenes).Concat(EyeBNeuronGenes).Concat(InputNeuronGenes)) { foreach (var connection in new List <SpConnectionGene>(neuronGene.Connections)) { if (!connection.IsOutputConnection && neuronMap.ContainsKey(connection.Target)) { var target = neuronMap[connection.Target]; connection.Target = HiddenNeuronGenes.IndexOf(target); } else { neuronGene.Connections.Remove(connection); } } } } }
public override void CreateRandom(int eyeNeurons, int inputs, int outputs, int hidden) { MutationGenes.Clear(); MutationGenes.Add(new DoubleGene("NeuronAddChance", 0, 1, 0.1)); MutationGenes.Add(new DoubleGene("NeuronRemoveChance", 0, 1, 0.1)); MutationGenes.Add(new DoubleGene("MaxNeuronRemoving", 0, 1, 0.1)); MutationGenes.Add(new DoubleGene("MaxNeuronAdding", 0, 1, 0.1)); MutationGenes.Add(new DoubleGene("ConnectionAddChance", 0, 1, 0.1)); MutationGenes.Add(new DoubleGene("ConnectionRemoveChance", 0, 1, 0.1)); EyeRNeuronGenes.Clear(); EyeGNeuronGenes.Clear(); EyeBNeuronGenes.Clear(); DistanceNeuronGenes.Clear(); for (int i = 0; i < eyeNeurons; i++) { EyeRNeuronGenes.Add(GetRandomNeuronGene("Red")); } for (int i = 0; i < eyeNeurons; i++) { EyeGNeuronGenes.Add(GetRandomNeuronGene("Green")); } for (int i = 0; i < eyeNeurons; i++) { EyeBNeuronGenes.Add(GetRandomNeuronGene("Blue")); } for (int i = 0; i < eyeNeurons; i++) { DistanceNeuronGenes.Add(GetRandomNeuronGene("Distance")); } HiddenNeuronGenes.Clear(); InputNeuronGenes.Clear(); OutputNeuronGenes.Clear(); for (int n = 0; n < hidden; n++) { HiddenNeuronGenes.Add(GetRandomNeuronGene("Hidden Neuron")); } for (int n = 0; n < inputs; n++) { InputNeuronGenes.Add(GetRandomNeuronGene("Input Neuron")); } for (int n = 0; n < outputs; n++) { OutputNeuronGenes.Add(GetRandomNeuronGene("Output Neuron")); } foreach (var gene in EyeRNeuronGenes) { ConnectRandomly(gene, true); } foreach (var gene in EyeGNeuronGenes) { ConnectRandomly(gene, true); } foreach (var gene in EyeBNeuronGenes) { ConnectRandomly(gene, true); } foreach (var gene in DistanceNeuronGenes) { ConnectRandomly(gene, true); } foreach (var gene in HiddenNeuronGenes) { ConnectRandomly(gene, false); } foreach (var gene in InputNeuronGenes) { ConnectRandomly(gene, true); } }