public Dna(Dna Pai1, Dna Pai2, Random randNum, int MutationRate)
{
//Construtor para o cruzamento na classe Crossover
this.MutationRate = MutationRate;
int copyMark = randNum.Next(Pai1.progression.Length - 1);
int geneticLoad = copyMark;
Array.Copy(Pai1.progression, copyMark, progression, copyMark, geneticLoad);
Array.Copy(Pai2.progression, progression.Length - copyMark,
progression, progression.Length - copyMark, geneticLoad);
Fitness(this);
}
private void Mutation(ref Dna Individuo, int MutationRate)
{
string[] whiteNotes = new string[8]
{
"0", "C", "D", "E", "F", "G", "A", "B"
};
num = new Random(Environment.TickCount);
for (int i = 0; i < MutationRate * 0.10; i++)
{
Individuo.progression[num.Next(1, Individuo.progression.Length - 1)] =
Array.IndexOf(whiteNotes, whiteNotes[num.Next(1, whiteNotes.Length - 1)]);
}
}
private void Fitness(Dna Individuo)
{
int[] scale = new int[8];
scale[0] = 0;
scale[1] = Array.IndexOf(whiteNotes, whiteNotes[CheckIndexScale(Individuo.progression[0], 0)]);
scale[2] = Array.IndexOf(whiteNotes, whiteNotes[CheckIndexScale(Individuo.progression[0], 1)]);
scale[3] = Array.IndexOf(whiteNotes, whiteNotes[CheckIndexScale(Individuo.progression[0], 2)]);
scale[4] = Array.IndexOf(whiteNotes, whiteNotes[CheckIndexScale(Individuo.progression[0], 3)]);
scale[5] = Array.IndexOf(whiteNotes, whiteNotes[CheckIndexScale(Individuo.progression[0], 4)]);
scale[6] = Array.IndexOf(whiteNotes, whiteNotes[CheckIndexScale(Individuo.progression[0], 5)]);
scale[7] = Array.IndexOf(whiteNotes, whiteNotes[CheckIndexScale(Individuo.progression[0], 6)]);
//fourths
if (Individuo.progression[1] == scale[4])
{
fitness += 20;
}
// suspended
if (Individuo.progression[1] == scale[4]
&&
Individuo.progression[2] == scale[3]
||
Individuo.progression[2] == scale[4]
&&
Individuo.progression[3] == scale[3])
{
fitness += 30;
}
//fifths
if (Individuo.progression[1] == scale[5])
{
fitness += 20;
}
//Leading
if (Individuo.progression[3] == scale[7])
{
fitness += 30;
}
//Resolution/Tension
if (Individuo.progression[3] == scale[5] || Individuo.progression[2] == scale[5] && Individuo.progression[3] == scale[1])
{
fitness += 30;
}
}
static void Main()
{
//Application.EnableVisualStyles();
//Application.SetCompatibleTextRenderingDefault(false);
//Application.Run(new Form1());
Console.Write("Populacao: ");
int sizePopulation = int.Parse(Console.ReadLine());
Console.Write("Mutacao em %: ");
int mutationRate = int.Parse(Console.ReadLine());
Console.Write("Numero de Geracoes: ");
int maxGeneration = int.Parse(Console.ReadLine());
Console.WriteLine();
Dna[] Population = new Dna[sizePopulation];
for (int i = 0; i < sizePopulation; i++)
{
Population[i] = new Dna(new Random(Environment.TickCount + i));
}
Crossover crossover = new Crossover(mutationRate);
crossover.Cross(ref Population, maxGeneration);
for (int i = 0; i < sizePopulation; i++)
{
Console.WriteLine(i + " " + Population[i].fitness);
}
Console.WriteLine("######\n The best chord is... ");
for (int i = 0; i < Population[0].GetChordProgression().Length; i++)
{
Console.Write(Population[0].GetChordProgression()[i] + " | ");
}
Console.ReadLine();
}
public void Cross(ref Dna[] Population, int maxGeneration)
{
for (int i = 0; i < maxGeneration; i++)
{
Classification(ref Population);
Random num = new Random(Environment.TickCount + i);
Dna newPopulation = new Dna(Population[num.Next(Population.Length - 1)],
Population[num.Next(Population.Length - 1)],
new Random(Environment.TickCount + i),
MutationRate);
for (int j = Population.Length - 1; j > 0; j--)
{
if (newPopulation.fitness <= Population[j].fitness)
{
Population[j - 1] = newPopulation;
break;
}
}
}
}
private void CreatePopulation()
{
int sizePopulation = int.Parse(txtSizePopulation.Text);
int mutationRate = int.Parse(txtMutation.Text);
int maxGeneration = 500;
Dna[] Population = new Dna[sizePopulation];
for (int i = 0; i < sizePopulation; i++)
{
Population[i] = new Dna(new Random(Environment.TickCount + i));
}
Crossover crossover = new Crossover(mutationRate);
crossover.Cross(ref Population, maxGeneration);
//TA ERRADO A SAIDA
for (int i = 0; i < Population[0].GetChordProgression().Length; i++)
{
MessageBox.Show(Population[0].GetChordProgression()[i]);
}
}