static Osobnik generateChild(Osobnik first, Osobnik second)
{
double x, y;
if (Abs(first.X) - Abs(second.X) >= 0)
{
x = (first.X - second.X) / 2;
}
else
{
x = (second.X - first.X) / 2;
}
if (Abs(first.Y) - Abs(second.Y) >= 0)
{
y = (first.Y - second.Y) / 2;
}
else
{
y = (second.Y - first.Y) / 2;
}
return(new Osobnik {
X = x, Y = y, Dopasowanie = f(x, y)
});
}
static Osobnik[] generatePopulation()
{
Osobnik[] population = new Osobnik[PopSize];
for (int i = 0; i < PopSize; i++)
{
double x = -XD + 2 * XD * rnd.NextDouble();
double y = -YD + 2 * YD * rnd.NextDouble();
population[i] = new Osobnik {
X = x, Y = y, Dopasowanie = f(x, y)
};
}
return(population);
}
static Osobnik[] crossPopulation(Osobnik[] population)
{
Osobnik[] newPopulation = new Osobnik[population.Length];
for (int i = 0; i < newPopulation.Length; i++)
{
int firstIndex = rnd.Next(population.Length);
int secondIndex;
do
{
secondIndex = rnd.Next(population.Length);
} while (firstIndex == secondIndex);
Console.WriteLine($"First: {firstIndex} --- Second: {secondIndex}");
newPopulation[i] = generateChild(population[firstIndex], population[secondIndex]);
}
return(newPopulation);
}
static Osobnik[] selectNewPopulation(Osobnik[] population)
{
Osobnik[] newPopulation = new Osobnik[population.Length];
for (int i = 0; i < population.Length; i++)
{
int?enemyIndex = null;
do
{
enemyIndex = rnd.Next(population.Length);
} while (enemyIndex == i);
if (population[i].Dopasowanie <= population[enemyIndex.Value].Dopasowanie)
{
newPopulation[i] = population[enemyIndex.Value];
}
else
{
newPopulation[i] = population[i];
}
}
return(newPopulation);
}