public void InitializeFromCrossover(IEnumerable <NodeGene> nodes, IEnumerable <ConnectionGene> connections)
{
//foreach (var nodeGene in nodes)
//{
// NodeCollection.AddNew(nodeGene);
//}
foreach (var connectionGene in connections)
{
var node1 = new NodeGene
{
Type = NodeGeneType.Hidden,
Id = connectionGene.Input,
};
var node2 = new NodeGene
{
Type = NodeGeneType.Hidden,
Id = connectionGene.Output
};
NodeCollection.AddNew(node1);
NodeCollection.AddNew(node2);
connectionGene.Genome = this;
ConnectionCollection.AddNew(connectionGene);
}
}
public static NodeGene Copy(NodeGene node)
{
return(new NodeGene
{
Id = node.Id,
Type = node.Type,
});
}
public bool AddNew(NodeGene node)
{
if (!Nodes.ContainsKey(node.Id))
{
Nodes[node.Id] = node;
NodeList.Add(node);
return(true);
}
return(false);
}
public NodeGene CreateHiddenNode(int nodeId)
{
var node = new NodeGene
{
Id = nodeId,
Type = NodeGeneType.Hidden
};
return(node);
}
private IEnumerable <NodeGene> CreateInitNodes()
{
NodeGene node;
for (var i = 0; i < Inputs; i++)
{
node = new NodeGene {
Id = GetNextNodeId(), Type = NodeGeneType.Sensor
};
yield return(node);
}
for (var i = 0; i < Outputs; i++)
{
node = new NodeGene {
Id = GetNextNodeId(), Type = NodeGeneType.Output
};
yield return(node);
}
}
public void CalculateGenome(NodeGene node)
{
if (!node.Evaluated && node.Type != NodeGeneType.Sensor)
{
node.Evaluated = true;
var connections = GetConnections(node.Id).ToList();
double sum = 0;
foreach (var connection in connections)
{
if (connection.Enabled)
{
var input = NodeCollection.Get(connection.Input);
if (!input.Evaluated)
{
CalculateGenome(input);
}
sum += input.Value * connection.Weight;
//node.Calculate(Observer.NeatConfig.GetActivation(), input.Value, connection.Weight);
}
}
node.Value = (float)Evaluator.NeatConfig.GetActivation().Invoke(sum);
}
}