package snake.snakeAI.ga.geneticOperators;

import snake.snakeAI.ga.GeneticAlgorithm;
import snake.snakeAI.ga.RealVectorIndividual;


//PLEASE, MODIFY THE CLASS NAME
public class MutationDouble <I extends RealVectorIndividual> extends Mutation<I> {
    private double deviation;

    public MutationDouble(double probability, double deviation) {
        super(probability);
        this.deviation = deviation;
    }

    @Override
    public void run(I ind) {
        // TODO
        for (int i = 0; i < ind.getNumGenes(); i++){
            if (GeneticAlgorithm.random.nextDouble() < probability) {
                //double newGenome = ind.getGene(i) + deviation * r.nextGaussian();
                double newGenome = ind.getGene(i) + deviation * (GeneticAlgorithm.random.nextDouble() * 2 - 1);
                ind.setGene(i, newGenome);
            }
        }
    }
    //copiar do projeto anterior run da mutação uniforme (em vez de substituir 1 po 0 e vice versa meter randoms)
    //individual.setgene(i, Geneticalgorithm.random.nexdouble()*2 - 1
    @Override
    public String toString(){
        return "Uniform distribution mutation (" + probability /* + TODO?*/;
    }
}