void Start()
{
Brain_Memories.Add(1.0D); //constant
Brain_Memories.Add(0.0D); //Mem1
Brain_Memories.Add(0.0D); //Mem2
Brain_Memories.Add(0.0D); //Mem3
Brain_Memories.Add(0.0D); //Mem4
Brain_Memories.Add(0.0D); //Mem5
List <int> layerList = new List <int>();
var _with1 = layerList;
_with1.Add(19);
_with1.Add(17);
_with1.Add(14);
network = new NeuralNet.NeuralNetwork(21.5, layerList);
InvokeRepeating("Think", 0.2F, ThinkTimer);
}
// Update is called once per frame
void Update()
{
//Remove destroyed pipes from arrays
while (pipes[0] == null)
{
GameObject[] newArr = new GameObject[pipes.Length - 1];
for (int i = 1; i < pipes.Length; i++)
{
newArr[i - 1] = pipes[i];
}
pipes = newArr;
}
//Spawn pipes every 2 seconds
if (Time.time - lastTime >= 2)
{
Array.Resize(ref pipes, pipes.Length + 1);
GameObject newPipe = Instantiate(pipe, pipeSpawn);
pipes[pipes.Length - 1] = newPipe;
lastTime = Time.time;
for (int i = 0; i < FlappyBirds.Length; i++)
{
FlappyBirds[i].GetComponent <FlappyBird>().AddPipe(newPipe);
}
}
//If all birds lost the game or key space pressed
if (Input.GetKeyDown(KeyCode.Space) || count >= FlappyBirds.Length)
{
//Copy the neural network of the best flappy bird and destroy them
for (int i = 0; i < FlappyBirds.Length; i++)
{
if (FlappyBirds[i].GetComponent <FlappyBird>().score > highScore)
{
highScore = FlappyBirds[i].GetComponent <FlappyBird>().score;
bestNetwork = FlappyBirds[i].GetComponent <FlappyBird>().net;
}
Destroy(FlappyBirds[i].gameObject);
}
//Clear pipes
for (int i = 0; i < pipes.Length; i++)
{
Destroy(pipes[i]);
}
//Reset last time so second pipe won't spawn late or early
lastTime = Time.time;
//Random neural net flappy birds x 9
for (int i = 0; i < 9; i++)
{
FlappyBirds[i] = Instantiate(flappyB, canvas);
}
//Best neural network flappy birds (-1 to 1 change on weights and biases) x 20
for (int i = 9; i < 29; i++)
{
FlappyBirds[i] = Instantiate(flappyB, canvas);
FlappyBirds[i].GetComponent <FlappyBird>().net = new NeuralNet.NeuralNetwork(bestNetwork);
FlappyBirds[i].GetComponent <FlappyBird>().net.AddRandomNumbersToWeights(-1, 1);
FlappyBirds[i].GetComponent <FlappyBird>().net.AddRandomNumbersToBiases(-1, 1);
}
//Best neural network flappy birds (-0.1 to 0.1 change on weights and biases) x 20
for (int i = 29; i < 49; i++)
{
FlappyBirds[i] = Instantiate(flappyB, canvas);
FlappyBirds[i].GetComponent <FlappyBird>().net = new NeuralNet.NeuralNetwork(bestNetwork);
FlappyBirds[i].GetComponent <FlappyBird>().net.AddRandomNumbersToWeights(-0.1f, 0.1f);
FlappyBirds[i].GetComponent <FlappyBird>().net.AddRandomNumbersToBiases(-0.1f, 0.1f);
}
//Best neural network flappy bird x 1
FlappyBirds[49] = Instantiate(flappyB, canvas);
FlappyBirds[49].GetComponent <FlappyBird>().net = new NeuralNet.NeuralNetwork(bestNetwork);
//Assign the first pipe and start the new generation
pipes = new GameObject[1] {
Instantiate(pipe, pipeSpawn)
};
for (int i = 0; i < FlappyBirds.Length; i++)
{
FlappyBirds[i].GetComponent <FlappyBird>().PipeQueue = pipes;
FlappyBirds[i].GetComponent <FlappyBird>().Begin = true;
}
count = 0;
Generation.text = "Generation : " + ++gen;
}
}
