private void Initialize(BirdBrain bb)
{
_state = bb;
_startPoint = new Vector3(-4, Random.Range(0, 10), 0);
transform.position = _startPoint;
_lastAttack = Time.time;
}
public double Compute(double[] inputs)
{
double output = 0;
for (int i = 0; i < weights.Length; i++)
{
output += weights[i] * inputs[i];
}
output += bias;
output = BirdBrain.activation(output);
return(output);
}
void SpawnBirds()
{
aliveBirds = birdCount;
birds = new GameObject[birdCount];
for (int i = 0; i < birds.Length; i++)
{
birds[i] = Instantiate(bird);
birds[i].GetComponent <SpriteRenderer>().color = Color.HSVToRGB((float)i / birdCount, 1, 1);
BirdBrain bb = birds[i].GetComponent <BirdBrain>();
bb.birdManager = this;
//if (i == 0) birds[i].GetComponent<Flap>().human = true;
bb.Randomize();
bb.Reset();
}
}
void EvolveBirds()
{
Array.Sort <GameObject>(birds, (a, b) => (int)(b.GetComponent <BirdBrain>().distance - a.GetComponent <BirdBrain>().distance));
BirdBrain topBird = birds[0].GetComponent <BirdBrain>();
if (topBird.distance > hiscore)
{
hiscore = topBird.distance;
}
prevScore = topBird.distance;
for (int i = (int)(0.1f * birds.Length); i < (int)(0.9f * birds.Length); i++)
{
birds[i].GetComponent <BirdBrain>().Mutate(.2f);
}
for (int i = (int)(0.9f * birds.Length); i < birds.Length; i++)
{
birds[i].GetComponent <BirdBrain>().Randomize();
}
}