public void LoadInputImage(int n)
{
string filename = inputNames[n];
int numY = (int)Mathf.Sqrt(numInputs);
Texture2D texture = Resources.Load <Texture2D>(filename);
int inputLayer = 0;
for (int nx = 0; nx < texture.width; nx++)
{
for (int ny = 0; ny < texture.height; ny++)
{
Color color = texture.GetPixel(nx, ny);
int index = nx * numY + ny;
NNnode node = nodeLayers[inputLayer][index];
node.output = 1f - color.grayscale;
node.Update();
}
}
string lastChar = filename.Substring(filename.Length - 1, 1);
string possibilites = "0123456789";
if (possibilites.Contains(lastChar))
{
float correctAnswer = float.Parse(lastChar);
UpdateOutputLayerWithCorrectAnswer(correctAnswer);
}
}
public void CreateNodesLayer(int layer, int numNodes)
{
nodeLayers[layer] = new List <NNnode>();
for (int n = 0; n < numNodes; n++)
{
NNnode node = new NNnode(layer, this);
}
}
public void UpdateNodes()
{
for (int layer = 0; layer < nodeLayers.Length; layer++)
{
for (int n = 0; n < nodeLayers[layer].Count; n++)
{
NNnode node = nodeLayers[layer][n];
node.Update();
}
}
}
public void CreateLinks()
{
for (int layer = 0; layer < layerCounts.Count; layer++)
{
for (int n = 0; n < nodeLayers[layer].Count; n++)
{
NNnode node = nodeLayers[layer][n];
CreateLinksForNode(node);
}
}
}
public void CreateLinksForNode(NNnode nodeFrom)
{
if (nodeFrom.layer > 0)
{
List <NNnode> nodeLayerBelow = nodeLayers[nodeFrom.layer - 1];
for (int n = 0; n < nodeLayerBelow.Count; n++)
{
NNnode nodeTo = nodeLayerBelow[n];
CreateLink(nodeFrom, nodeTo);
}
}
}
public void CreateLink(NNnode nodeFrom, NNnode nodeTo)
{
Vector3 posFrom = nodeFrom.go.transform.position;
Vector3 posTo = nodeTo.go.transform.position;
GameObject go = GameObject.CreatePrimitive(PrimitiveType.Cube);
go.transform.parent = parentLinks.transform;
go.transform.position = (posFrom + posTo) / 2;
float dist = Vector3.Distance(posFrom, posTo);
go.transform.LookAt(posTo);
go.transform.localScale = new Vector3(.1f, .1f, dist);
go.GetComponent <Renderer>().material.color = new Color(0, 0, .125f);
cntWeights++;
CreateLinkInputAndWeight(nodeFrom, nodeTo, go);
}
public void ScaleWeights(NNnode nodeOutput, float scaleFactor)
{
Color color = Random.ColorHSV();
for (int layer = 1; layer < nodeLayers.Length; layer++)
{
for (int n = 0; n < nodeLayers[layer].Count; n++)
{
NNnode node = nodeLayers[layer][n];
if (node != nodeOutput)
{
for (int w = 0; w < node.weights.Count; w++)
{
node.weights[w] *= scaleFactor;
node.links[w].GetComponent <Renderer>().material.color = color;
}
}
}
}
}
public void CreateLinkInputAndWeight(NNnode nodeFrom, NNnode nodeTo, GameObject goLink)
{
nodeFrom.inputNodes.Add(nodeTo);
nodeFrom.weights.Add(Random.Range(0f, 1f));
nodeFrom.links.Add(goLink);
}
