public void InitialNetwork()
{
//INPUT NODES -> VALUE = 0
NodeGenes.Add(1, new NodeGene(1, NodeGene.TYPE.INPUT, 0));
NodeGenes.Add(2, new NodeGene(2, NodeGene.TYPE.INPUT, 0));
NodeGenes.Add(3, new NodeGene(3, NodeGene.TYPE.INPUT, 0));
NodeGenes.Add(4, new NodeGene(4, NodeGene.TYPE.INPUT, 0));
NodeGenes.Add(5, new NodeGene(5, NodeGene.TYPE.INPUT, 0));
NodeGenes.Add(6, new NodeGene(6, NodeGene.TYPE.INPUT, 0));
NodeGenes.Add(7, new NodeGene(7, NodeGene.TYPE.INPUT, 0));
NodeGenes.Add(8, new NodeGene(8, NodeGene.TYPE.INPUT, 0));
NodeGenes.Add(9, new NodeGene(9, NodeGene.TYPE.INPUT, 0));
//BIAS NODE -> VALUE = 1
NodeGenes.Add(10, new NodeGene(10, NodeGene.TYPE.BIAS, 1)); //Bias
//OUTPUT NODE -> VALUE = 0
NodeGenes.Add(11, new NodeGene(11, NodeGene.TYPE.OUTPUT, 0));
NodeGenes.Add(12, new NodeGene(12, NodeGene.TYPE.OUTPUT, 0));
int j = 1;
for (int i = 1; i < 11; i++)
{
ConnectionGenes.Add(new ConnectionGene(i, 11, random.NextDouble(), true, j));
ConnectionGenes.Add(new ConnectionGene(i, 12, random.NextDouble(), true, j + 1));
j = j + 2;
}
foreach (ConnectionGene connection in GetConnectionGenes())
{
NodeGene node = GetNodeGenes()[connection.GetOutputNode()];
if (!node.GetIncomingConnections().Contains(connection))
{
node.AddIncomingConnection(connection);
}
}
}
public (float, float) EvaluateNetwork(float[] input)
{
float[] output = new float[NEAT_CONFIGS.OUTPUTS];
for (int i = 1; i < NEAT_CONFIGS.INPUTS; i++)
{
GetNodeGenes()[i].SetValue(input[i - 1]);
}
foreach (var KeyValue in GetNodeGenes())
{
double sum = 0;
int key = KeyValue.Key;
NodeGene node = KeyValue.Value;
if (key > NEAT_CONFIGS.INPUTS)
{
foreach (ConnectionGene con in node.GetIncomingConnections())
{
if (con.GetEnabled())
{
sum += (GetNodeGenes()[con.GetInputNode()].GetValue() * con.GetWeight());
}
}
node.SetValue(Math.Tanh(sum));
}
}
int j = 0;
foreach (NodeGene node in GetNodeGenes().Values)
{
if (node.GetType() == NodeGene.TYPE.OUTPUT)
{
output[j] = (float)node.GetValue();
j++;
}
}
return(output[0], output[1]);
}
