private void CreateStartPopulation()
{
for (int count = 0; count < PopulationSize; ++count)
{
DesertGenome genome = new DesertGenome(ChromosomeLength);
mGenomes.Add(genome);
}
}
private void Crossover(DesertGenome mum, DesertGenome dad, DesertGenome baby1, DesertGenome baby2)
{
if (UnityEngine.Random.value > CrossoverRate || mum == dad)
{
baby1.Bits = mum.Bits;
baby2.Bits = dad.Bits;
}
else
{
int point = UnityEngine.Random.Range(0, ChromosomeLength - 1);
for (int count = 0; count < ChromosomeLength; ++count)
{
baby1.Bits.Set(count, count < point ? mum.Bits.Get(count) : dad.Bits.Get(count));
baby2.Bits.Set(count, count < point ? dad.Bits.Get(count) : mum.Bits.Get(count));
}
}
}
private IEnumerator Epoch()
{
yield return(UpdateFitnessScores());
List <DesertGenome> babyGenomes = new List <DesertGenome>();
while (babyGenomes.Count < PopulationSize)
{
DesertGenome mum = RouletteWheelSelection();
DesertGenome dad = RouletteWheelSelection();
DesertGenome baby1 = new DesertGenome(ChromosomeLength);
DesertGenome baby2 = new DesertGenome(ChromosomeLength);
Crossover(mum, dad, baby1, baby2);
Mutate(baby1.Bits);
Mutate(baby2.Bits);
babyGenomes.Add(baby1);
babyGenomes.Add(baby2);
}
mGenomes = babyGenomes;
++mGeneration;
}