public override void CreateBrain(BrainComponent brainComp, IMutatorConfig config)
{
var neatConfig = (NeatMutationConfig)config;
// Add nodes for inputs and outputs
foreach ((string namedInput, string _) in brainComp.InputMap)
{
// Note activation function on input nodes is not used.
this.AddNamedNode(namedInput, NodeType.INPUT, ActivationFunctionType.SOFTSIGN);
}
foreach ((string namedOutput, string _) in brainComp.OutputMap)
{
this.AddNamedNode(namedOutput, NodeType.OUTPUT, (ActivationFunctionType)neatConfig.OutputActivationFunction);
}
// Increase connection innovation id as we loop
int connInnovationId = 0;
Random r = new Random();
double chanceToMakeConnection = 1d;
foreach (var input in NodeGenes.FindAll((g) => g.NodeType == NodeType.INPUT || g.NodeType == NodeType.BIAS))
{
foreach (var output in NodeGenes.FindAll((g) => g.NodeType == NodeType.OUTPUT))
{
if (r.NextDouble() < chanceToMakeConnection)
{
// Add new connection gene
ConnectionGenes.Add(new ConnectionGene(connInnovationId, input.InnovationId, output.InnovationId, r.Normal(0, 1.5)));
connInnovationId++;
}
}
}
}
public override void CreateBrain(BrainComponent brainComponent, IMutatorConfig config)
{
Inputs = new();
Outputs = new();
foreach (string input in brainComponent.InputMap.Values)
{
Inputs.Add(input);
}
foreach (string output in brainComponent.OutputMap.Values)
{
Outputs.Add(output);
}
}
public abstract void CreateBrain(BrainComponent brainComponent, IMutatorConfig config);
