public void processToNextGeneration() {
// notation
if (generationNumber == -1) Collections.sort(currentPopulation);
List<ChessBoard> bestEntities = currentPopulation.subList(0, currentPopulation.size() / 2);
// couplage
List<ChessBoard> newPopulation = new ArrayList<ChessBoard>();
double mutation = 0.1;
for (int i = 0, size = bestEntities.size() / 2; i < size; i++) {
ChessBoard entityA = bestEntities.remove(0);
newPopulation.add(entityA);
if (bestEntities.isEmpty()) break;
int indexPartner = (int) (Math.random() * bestEntities.size());
ChessBoard entityB = bestEntities.remove(indexPartner);
newPopulation.add(entityB);
ChessBoard[] children =
entityA.reproduce(entityB, (int) (Math.random() * entityB.getDNALength()));
if (Math.random() < mutation) children[0].mutate();
if (Math.random() < mutation) children[1].mutate();
newPopulation.add(children[0]);
newPopulation.add(children[1]);
}
currentPopulation = newPopulation;
Collections.sort(currentPopulation);
generationNumber++;
}
