void Start()
{
player_ref = GameObject.FindGameObjectWithTag("Player").transform;
brain_ref = Camera.main.GetComponent<brain>();
collectSound = brain_ref.collectSound;
GetComponent<CircleCollider2D> ().radius = pickUpDis;
}
private void InitCarNeuralNetworks()
{
nets = new List <brain>();//initialize list of brains
for (int i = 0; i < populationSize; i++)
{
brain net = new brain(layers); //create new list
net.Mutate(); //mutate the generated brain
nets.Add(net); //add it to the list
}
}
public void GetMapByShopsJSON(int id1, int id2)
{
Point storeCurr, storeDest;
storeCurr = getI_J(id1);
storeDest = getI_J(id2);
brain b = new brain();
optimalPathPic = b.checkFloor(id1, storeCurr.X, storeCurr.Y, id2, storeDest.X, storeDest.Y);
Context.Response.Write(String.Join(",", optimalPathPic.ToArray()));
}
// Update is called once per frame
void Update()
{
//restart function
if (isTraining == false)
{
if (generationNumber == 0)
{
InitCarNeuralNetworks(); //start list of neural networks
}
else
{
nets.Sort(); //uses the compare function to sort the list of neural networks
nets.Reverse(); //reverses list so the best scoring is at the start
best.text = "Best score: " + nets[0].GetFitness();
Debug.Log(nets[0].GetFitness());//for best ftness
for (int i = 1; i < populationSize / 4; i++)
{
nets[i] = new brain(nets[0]);//first 25% excluding the best are mutated
nets[i].Mutate();
}
for (int i = populationSize / 4; i < populationSize * 0.9f; i++)
{
nets[i] = new brain(nets[0]);//next 65% are mutated twice
nets[i].Mutate();
nets[i].Mutate();
}
for (int i = (int)(populationSize * 0.9f); i < populationSize; i++)
{
nets[i] = new brain(layers);//last 10% are completely random
nets[i].Mutate();
}
for (int i = 0; i < populationSize; i++)
{
nets[i].SetFitness(0f);//reset list of nets to 0 fitness
}
}
generationNumber++;
genText.text = "Generation: " + generationNumber;
isTraining = true;
Invoke("Timer", genTime);//timer for generations
CreateCars();
}
}
public GameObject breed(GameObject parent1, GameObject parent2)
{
Vector3 pos = new Vector3(this.transform.position.x + UnityEngine.Random.Range(-2, 2), this.transform.position.y, this.transform.position.z + UnityEngine.Random.Range(-2, 2));
GameObject offspring = Instantiate(bot, pos, this.transform.rotation);
brain b = offspring.GetComponent <brain>();
if (UnityEngine.Random.Range(0, 100) == 1)
{
b.init();
b.dna.mutate();
}
else
{
b.init();
b.dna.combine(parent1.GetComponent <brain>().dna, parent2.GetComponent <brain>().dna);
}
return(offspring);
}
public void Init(brain net)
{
this.net = net;
//pointer to its brain in the manager script.
initilized = true;
}
