public static TyStateWeights GetMutatedWeights(TyStateWeights lhs, System.Random random, float deviation)
{
var weights = new TyStateWeights();
for (int i = 0; i < (int)TyStateWeights.WeightType.Count; i++)
{
var factorType = (TyStateWeights.WeightType)i;
float factor = lhs.GetWeight(factorType) + random.RandFloat(-0.5f * deviation, 0.5f * deviation);
weights.SetWeight(factorType, factor);
}
return(weights);
}
/// <summary>
/// Chooses weighted (by fitness) random weights from either A or B
/// </summary>
public static TyStateWeights GetCrossedWeights(TyWeightsLearner lhs, TyWeightsLearner rhs, System.Random rand)
{
TyStateWeights newWeights = new TyStateWeights();
for (int i = 0; i < (int)TyStateWeights.WeightType.Count; i++)
{
var factorType = (TyStateWeights.WeightType)i;
float weight = rhs._weights.GetWeight(factorType);
float chanceLhs = lhs.Fitness / (lhs.Fitness + rhs.Fitness);
if (rand.RandFloat() < chanceLhs)
{
weight = lhs._weights.GetWeight(factorType);
}
newWeights.SetWeight(factorType, weight);
}
return(newWeights);
}
public TyWeightsLearner(TyStateWeights p, int generation, int id)
{
_id = id;
_weights = p;
_generationBorn = generation;
}