public Neuron(int inputNr)
{
for (int i = 0; i <= inputNr; i++)
{
weights.Add(GeneticManager.getRandomWeight());
}
}
public void calculateOutput()
{
double sum = 0;
int num = 0;
foreach (double input in inputs)
{
sum += input * weights[num];
num++;
}
sum += weights[num];
output = GeneticManager.signoid(sum);
}
public void startNewGeneration(List <List <double> > weights)
{
Console.WriteLine("Starting new gen process {0}", DateTime.Now);
genCount = 0;
Random rand = new Random();
genNum++;
//Console.WriteLine("Starting generation wth number {0}", genNum);
parent.Text = "Generation - " + genNum;
for (int i = 0; i < mapSize; i++)
{
for (int j = 0; j < mapSize; j++)
{
map[i, j] = 0;
}
}
if (weights != null)
{
snakes.Clear();
for (int i = 1; i <= weights.Count; i++)
{
int y, x;
y = rand.Next(5, mapSize - 5);
x = rand.Next(5, mapSize - 5);
Snake snake = new Snake(this, spawnSnakeAt(y, x, 3), 2);
snake.getBrain().setWeights(weights[i - 1]);
snakes.Add(snake);
}
generateFood();
return;
}
if (snakes.Count != 0)
{
List <List <double> > oldBrains = new List <List <double> >();
snakes.Sort(delegate(Snake a, Snake b)
{
if (a.getBody().Count == b.getBody().Count)
{
if (a.getTravel() == b.getTravel())
{
if (a.timeAlive == b.timeAlive)
{
return(0);
}
else if (a.timeAlive < b.timeAlive)
{
return(1);
}
else
{
return(-1);
}
}
else if (a.getTravel() < b.getTravel())
{
return(1);
}
else
{
return(-1);
}
}
else if (a.getBody().Count < b.getBody().Count)
{
return(1);
}
else
{
return(-1);
}
});
foreach (Snake snake in snakes)
{
oldBrains.Add(snake.getBrain().getWeights());
}
snakes.Clear();
Console.WriteLine("Starting mating process {0}", DateTime.Now);
List <List <double> > newBrains = GeneticManager.getNewGeneration(oldBrains);
Console.WriteLine("Finished mating process {0}", DateTime.Now);
foreach (List <double> brain in newBrains)
{
int i, j;
i = rand.Next(5, mapSize - 5);
j = rand.Next(5, mapSize - 5);
//Console.WriteLine("Spawning snake at {0} - {1}", i, j);
Snake snake = new Snake(this, spawnSnakeAt(i, j, 3), 2);
snake.getBrain().setWeights(brain);
snakes.Add(snake);
}
}
else
{
snakes.Clear();
for (int i = 1; i <= GeneticManager.generationSize; i++)
{
int y, x;
y = rand.Next(5, mapSize - 5);
x = rand.Next(5, mapSize - 5);
//Console.WriteLine("Spawning snake at {0} - {1}", y, x);
snakes.Add(new Snake(this, spawnSnakeAt(y, x, 3), 2));
}
}
generateFood();
Console.WriteLine("Finished new gen process {0}", DateTime.Now);
}
