static public Genome Breeding(Genome father, Genome mother)
{
Genome child = new Genome();
List <Gene> childGenes = child.genes;
//inherit genes from mother and father.
foreach (Gene fatherGene in father.genes)
{
Gene newGene = fatherGene.Clone();
childGenes.Add(newGene);
}
foreach (Gene motherGene in mother.genes)
{
Gene childGene = childGenes.Find(gene => gene.DNA == motherGene.DNA);
if (childGene == null)
{
Gene newGene = motherGene.Clone();
childGenes.Add(newGene);
}
else
{
childGene.Combine(motherGene);
}
}
//bigger in front.
childGenes.Sort((Gene a, Gene b) =>
{
if (a.Intensity > b.Intensity)
{
return(-1);
}
if (a.Intensity < b.Intensity)
{
return(1);
}
return(0);
});
//normalize.
float percent, frac = 0;
List <Gene> removedGene = new List <Gene>();
for (int i = 0; i < childGenes.Count; i++)
{
Gene gene = childGenes[i];
percent = gene.Percent * 0.5f;
if (!gene.SetPercent(percent, ref frac))
{
removedGene.Add(gene);
}
}
removedGene.ForEach(rgene => childGenes.Remove(rgene));
//gene mutation.
//it is not a good solution.
if (frac > 0.5)
{
childGenes[0].MutationOne();
}
child.FindStrongestGene();
return(child);
}