Made neural net recurrent

1 files changed, 7 insertions, 9 deletions

diff --git a/src/brain/neuron.cpp b/src/brain/neuron.cpp
index 527e7da..f4fa12f 100644
--- a/src/brain/neuron.cpp
+++ b/src/brain/neuron.cpp
@@ -1,25 +1,23 @@
 #include "brain/neuron.h"
 #include <cmath>
 
-Neuron::Neuron(int id)
-    :NeuralNode('n', id)
-{
-}
-
 double Neuron::sigmoid(double input) const
 {
     double slope = 4.924273;
     return (1/(1+(std::exp(-(slope*input)))));
 }
 
-double Neuron::activation() const
+void Neuron::calculateActivation()
 {
-    double activationSum = 0;
+    double newActivation = 0;
     for (auto const& link : _inputLinks)
     {
-	activationSum += link->weightedActivation();
+	newActivation += link->weightedActivation();
     }
-    return sigmoid(activationSum);
+    newActivation = sigmoid(newActivation);
+
+    _activationChanged = newActivation != _activation;
+    _activation = newActivation;
 }
 
 void Neuron::addInput(std::unique_ptr<NeuralLink>&& link)