Added saving functionality for the simulation

Axon.pde

@@ -1,24 +1,36 @@
-class Axon{
-  final double MUTABILITY_MUTABILITY = 0.7;
-  final int mutatePower = 9;
-  final double MUTATE_MULTI;
-
-  double weight;
-  double mutability;
-  public Axon(double w, double m){
-    weight = w;
-    mutability = m;
-    MUTATE_MULTI = Math.pow(0.5,mutatePower);
-  }
-
-  public Axon mutateAxon(){
-    double mutabilityMutate = Math.pow(0.5,pmRan()*MUTABILITY_MUTABILITY);
-    return new Axon(weight+r()*mutability/MUTATE_MULTI,mutability*mutabilityMutate);
-  }
-  public double r(){
-    return Math.pow(pmRan(),mutatePower);
-  }
-  public double pmRan(){
-    return (Math.random()*2-1);
-  }
-}
+class Axon implements ISavable{
+  final double MUTABILITY_MUTABILITY = 0.7;
+  final int mutatePower = 9;
+  final double MUTATE_MULTI;
+
+  double weight;
+  double mutability;
+  public Axon(double w, double m){
+    weight = w;
+    mutability = m;
+    MUTATE_MULTI = Math.pow(0.5,mutatePower);
+  }
+
+  public Axon mutateAxon(){
+    double mutabilityMutate = Math.pow(0.5,pmRan()*MUTABILITY_MUTABILITY);
+    return new Axon(weight+r()*mutability/MUTATE_MULTI,mutability*mutabilityMutate);
+  }
+  public double r(){
+    return Math.pow(pmRan(),mutatePower);
+  }
+  public double pmRan(){
+    return (Math.random()*2-1);
+  }
+
+  public JSONObject saveToJson(){
+    JSONObject object = new JSONObject();
+    object.setDouble("weight", weight);
+    object.setDouble("mutability", mutability);
+    return object;
+  }
+
+  public void loadFromJson(JSONObject parent){
+    weight = parent.getDouble("weight", weight);
+    mutability = parent.getDouble("mutability", mutability);
+  }
+}