public override Organism[] recombine(Organism a, Organism b)
{
IList<Organism> offsprings = new List<Organism>();
var _50p = new Probability(0.5);
var _1p = new Probability(0.01);
for (var i = 0; i < nbrChild; ++i)
{
Organism o = a.createEmpty();
Extension e;
// 50% chance to inherit the base extension from one of the parents.
if (_50p.test())
e = a.genotype.getRootElement();
else
e = b.genotype.getRootElement();
o.genotype.setRootElement(e.localClone());
// The structure recombination is done only for the first level.
var nExtensions = Math.Min(a.genotype.getRootElement().getNumberOfChildExtensions(), b.genotype.getRootElement().getNumberOfChildExtensions());
IEnumerator<Extension> t1 = (IEnumerator <Extension>) a.genotype.getRootElement().getChildsEnumerator();
IEnumerator<Extension> t2 = (IEnumerator <Extension>) b.genotype.getRootElement().getChildsEnumerator();
while (t1.MoveNext() && t2.MoveNext()){
if (_50p.test())
o.genotype.getRootElement().addExtension((Extension)t1.Current.deepClone());
else
o.genotype.getRootElement().addExtension((Extension)t2.Current.deepClone());
}
// Rare mutation that extends plate size.
if (_1p.test())
{
Mutation m = new Mutation();
//m.addGeneticModifier(new Multiplication(new Set(new[] { "scale" }), new Set(new[] { "Plate" }), 1.5));
o.mutate(m);
}
offsprings.Add(o);
}
return offsprings.ToArray<Organism>();
}