From a229ee21f002df2644aa0fca26f08b59eec6c070 Mon Sep 17 00:00:00 2001
From: Pascal Serrarens <pascal@passer.life>
Date: Fri, 10 Jul 2026 14:42:46 +0200
Subject: [PATCH] Boid training first steps

---
 Editor/Cluster_Drawer.cs        |  2 +-
 Runtime/Scripts/Core/Cluster.cs | 41 ++++++++++++++++-----------------
 2 files changed, 21 insertions(+), 22 deletions(-)

diff --git a/Editor/Cluster_Drawer.cs b/Editor/Cluster_Drawer.cs
index 21e4002..37a4841 100644
--- a/Editor/Cluster_Drawer.cs
+++ b/Editor/Cluster_Drawer.cs
@@ -25,7 +25,7 @@ namespace NanoBrain.Unity {
                 return height;
 
             SerializedProperty prefabProp = property.FindPropertyRelative(nameof(Cluster.prefab));
-            if (//prefabProp.objectReferenceValue != null &&
+            if (prefabProp.objectReferenceValue != null &&
              Cluster_Drawer.currentClusterView.isOpen) {
                 height = graphHeight;
             }
diff --git a/Runtime/Scripts/Core/Cluster.cs b/Runtime/Scripts/Core/Cluster.cs
index 8abf227..7990031 100644
--- a/Runtime/Scripts/Core/Cluster.cs
+++ b/Runtime/Scripts/Core/Cluster.cs
@@ -99,7 +99,6 @@ namespace NanoBrain {
             ClonePrefab();
 
             if (instanceCount > 1) {
-                Debug.Log($" InstanceCount = {instanceCount}");
                 List<Cluster> siblings = new() { this };
                 for (int instanceIx = 1; instanceIx < instanceCount; instanceIx++) {
                     // Create another sibling
@@ -474,27 +473,27 @@ namespace NanoBrain {
             return allInstances;
         }
 
-        public void Backpropagation(Func<Cluster, float> Observer, float target, float learningRate) {
-            foreach (Nucleus nucleus in this.instances[0].nuclei) {
-                if (nucleus is not Neuron neuron)
-                    continue;
+        // public void Backpropagation(Func<Cluster, float> Observer, float target, float learningRate) {
+        //     foreach (Nucleus nucleus in this.instances[0].nuclei) {
+        //         if (nucleus is not Neuron neuron)
+        //             continue;
 
-                foreach (Synapse synapse in neuron.synapses) {
-                    List<Neuron> allSynapseNeurons = GetAllInstances(synapse.neuron);
+        //         foreach (Synapse synapse in neuron.synapses) {
+        //             List<Neuron> allSynapseNeurons = GetAllInstances(synapse.neuron);
 
-                    Vector3 dSSRdW = Vector3.zero;
-                    for (int clusterIx = 0; clusterIx < this.instances.Length; clusterIx++) {
-                        Cluster clusterInstance = this.instances[clusterIx];
-                        Neuron neuronInstance = allSynapseNeurons[clusterIx];
+        //             Vector3 dSSRdW = Vector3.zero;
+        //             for (int clusterIx = 0; clusterIx < this.instances.Length; clusterIx++) {
+        //                 Cluster clusterInstance = this.instances[clusterIx];
+        //                 Neuron neuronInstance = allSynapseNeurons[clusterIx];
 
-                        // Simple case, without receivers...
-                        dSSRdW += (Vector3)(-2 * (Observer(clusterInstance) - target) * neuronInstance.activation);
-                    }
-                    synapse.weight += learningRate * dSSRdW.magnitude;
-                }
-            }
+        //                 // Simple case, without receivers...
+        //                 dSSRdW += (Vector3)(-2 * (Observer(clusterInstance) - target) * neuronInstance.activation);
+        //             }
+        //             synapse.weight += learningRate * dSSRdW.magnitude;
+        //         }
+        //     }
 
-        }
+        // }
 
         #endregion ClusterArray
 
@@ -867,13 +866,13 @@ namespace NanoBrain {
             ClusterData data = new(this); //this.ToJSON();
             string json = JsonUtility.ToJson(data, prettyPrint: true);
 
-            Debug.Log($"Exporting json to {path}");
-            System.IO.File.WriteAllText(path, json);
+            // Debug.Log($"Exporting json to {path}");
+            File.WriteAllText(path, json);
         }
 
         public static ClusterData Import(string path) {
             string json = File.ReadAllText(path);
-            Debug.Log($"Importing json from {path}");
+            // Debug.Log($"Importing json from {path}");
             return JsonUtility.FromJson<ClusterData>(json);
         }