private void Mutate_Node(Random rand)
{
//UnityEngine.Debug.Log("starting mutate node");
if (ConnectionGeneSet.Count > 0)
{
ConnectionGene conn = ConnectionGeneSet.OrderBy(x => rand.Next()).FirstOrDefault();
//for(int i=0;i<ConnectionGeneSet.Count;i++)
//{
//ConnectionGene conn = ConnectionGeneSet.ElementAt(i);
NodeGene nodeFrom = NodeGeneSet.Where(x => x.Id.Equals(conn.NodeIn)).FirstOrDefault(),
nodeTo = NodeGeneSet.Where(x => x.Id.Equals(conn.NodeOut)).FirstOrDefault();
NodeGene node = pool.NodeGene_Get(conn.ReplaceIndex);
node.x = (nodeFrom.x + nodeTo.x) * .5f;
node.y = (nodeFrom.y + nodeTo.y) * (.4f + rand.Next(1, 20) * .01f);
node.y = (node.y >= 1f) ? 0.99f : (node.y <= 0f) ? 0.01f : node.y;
ConnectionGene connA = pool.ConnectionGene_GetOrCreate(conn.NodeIn, node.Id),
connB = pool.ConnectionGene_GetOrCreate(node.Id, conn.NodeOut);
connA.RandomizeWeight();
connA.IsEnabled = true;
connB.IsEnabled = conn.IsEnabled;
connB.Weight = conn.Weight;
connGeneSet.Add(connA);
connGeneSet.Add(connB);
conn.IsEnabled = false;
nodeGeneSet.Add(node);
//}
// UnityEngine.Debug.Log("mutate node succesfull");
}
}
//public void ExecuteMutation(int n,Random rand)
//{
// switch (n)
// {
// case 0:
// {
// Mutate_Link(rand);
// }break;
// case 1:
// {
// Mutate_Node(rand);
// }break;
// case 2:
// {
// Mutate_WeightShift(rand);
// }break;
// case 3:
// {
// Mutate_WeightRandomize(rand);
// }break;
// case 4:
// {
// Mutate_EnableDisable(rand);
// }break;
// }
//}
private void Mutate_Link(Random rand)
{
for (int i = 0; i < 100; i++)
{
NodeGene node1 = NodeGeneSet.Select(x => x).OrderBy(x => rand.Next()).FirstOrDefault(),
node2 = NodeGeneSet.Select(x => x).OrderBy(x => rand.Next()).FirstOrDefault();
if (node1.Id != node2.Id && (node2.NodeType == NodeGene.NODE_TYPE.HIDDEN || node2.NodeType == NodeGene.NODE_TYPE.OUTPUT))
{
ConnectionGene conn;
if (node1.x < node2.x)
{
conn = pool.ConnectionGene_GetOrCreate(node1.Id, node2.Id);
}
else
{
continue;
}
if (ConnectionGeneSet.Contains(conn))
{
continue;
}
conn.RandomizeWeight();
conn.IsEnabled = true;
ConnectionGeneSet.Add(conn);
break;
}
}
}
