private List <TrackChromosome> NewPopulation(List <TrackChromosome> old_pop, int new_size)
{
List <TrackChromosome> new_pop = new List <TrackChromosome>();
while (new_pop.Count != new_size)
{
TrackChromosome c1 = Selection(old_pop);
TrackChromosome c2 = Selection(old_pop);
List <TrackChromosome> crossed = TrackChromosome.Crossover(c1, c2);
new_pop.Add(crossed[0]);
if (new_pop.Count < new_size)
{
new_pop.Add(crossed[1]);
}
}
for (int i = 0; i < new_size; i++)
{
new_pop[i].Mutate();
}
return(new_pop);
}
public static List <TrackChromosome> Crossover(TrackChromosome c1, TrackChromosome c2)
{
List <TrackChromosome> new_cromosomes = new List <TrackChromosome>();
TrackChromosome new_c1 = new TrackChromosome(c1);
TrackChromosome new_c2 = new TrackChromosome(c2);
int x_point = Random.Range(0, c1.genes.Length);
for (int i = 0; i < c1.genes.Length; i++)
{
if (i < x_point)
{
new_c1.genes[i] = c2.genes[i];
}
else
{
new_c2.genes[i] = c1.genes[i];
}
}
new_cromosomes.Add(new_c1);
new_cromosomes.Add(new_c2);
return(new_cromosomes);
}
public TrackChromosome(TrackChromosome c)
{
genes = new int[c.genes.Length];
for (int i = 0; i < c.genes.Length; i++)
{
genes[i] = c.genes[i];
}
}
private TrackChromosome Selection(List <TrackChromosome> chrs)
{
TrackChromosome s = chrs[Random.Range(0, chrs.Count)];
int tournament_size = 4;
for (int i = 1; i < tournament_size; i++)
{
TrackChromosome new_s = chrs[Random.Range(0, chrs.Count)];
if (s.GetFitness() < new_s.GetFitness())
{
s = new_s;
}
}
return(s);
}
public static bool Check(TrackChromosome t)
{
int[] track = t.GetGenes();
//0 = hard right, 1 = hard left, 2 = soft right, 3 = soft left, 4 = straight, 5 = end
//remove old track
List <int[]> coords = new List <int[]>();
int entryDir = 0;
int[] startingCoords = { 0, 0 };
coords.Add(startingCoords);
foreach (int trackElemt in track)
{
int[] latestCoords = coords[coords.Count - 1];
int[] nextCoords = new int[2];
if (entryDir == 0)
{
if (trackElemt == 0 || trackElemt == 2)
{
nextCoords[0] = latestCoords[0] + 1;
nextCoords[1] = latestCoords[1];
entryDir = 1;
}
else if (trackElemt == 1 || trackElemt == 3)
{
nextCoords[0] = latestCoords[0] - 1;
nextCoords[1] = latestCoords[1];
entryDir = 3;
}
else if (trackElemt == 4 || trackElemt == 5)
{
nextCoords[0] = latestCoords[0];
nextCoords[1] = latestCoords[1] + 1;
entryDir = 0;
}
}
else if (entryDir == 1)
{
if (trackElemt == 0 || trackElemt == 2)
{
nextCoords[0] = latestCoords[0];
nextCoords[1] = latestCoords[1] - 1;
entryDir = 2;
}
else if (trackElemt == 1 || trackElemt == 3)
{
nextCoords[0] = latestCoords[0];
nextCoords[1] = latestCoords[1] + 1;
entryDir = 0;
}
else if (trackElemt == 4 || trackElemt == 5)
{
nextCoords[0] = latestCoords[0] + 1;
nextCoords[1] = latestCoords[1];
entryDir = 1;
}
}
else if (entryDir == 2)
{
if (trackElemt == 0 || trackElemt == 2)
{
nextCoords[0] = latestCoords[0] - 1;
nextCoords[1] = latestCoords[1];
entryDir = 3;
}
else if (trackElemt == 1 || trackElemt == 3)
{
nextCoords[0] = latestCoords[0] + 1;
nextCoords[1] = latestCoords[1];
entryDir = 1;
}
else if (trackElemt == 4 || trackElemt == 5)
{
nextCoords[0] = latestCoords[0];
nextCoords[1] = latestCoords[1] - 1;
entryDir = 2;
}
}
else if (entryDir == 3)
{
if (trackElemt == 0 || trackElemt == 2)
{
nextCoords[0] = latestCoords[0];
nextCoords[1] = latestCoords[1] + 1;
entryDir = 0;
}
else if (trackElemt == 1 || trackElemt == 3)
{
nextCoords[0] = latestCoords[0];
nextCoords[1] = latestCoords[1] - 1;
entryDir = 2;
}
else if (trackElemt == 4 || trackElemt == 5)
{
nextCoords[0] = latestCoords[0] - 1;
nextCoords[1] = latestCoords[1];
entryDir = 3;
}
}
foreach (int[] prevCoord in coords)
{
if (prevCoord[0] == nextCoords[0] && prevCoord[1] == nextCoords[1])
{
return(false);
}
}
coords.Add(nextCoords);
}
return(true);
}
