protected override void PropogateForward(RectangularStep downstream, int mapNumber) { RectangularStep upstream = downstream.Upstream[mapNumber]; int index = 0; for (int y = 0; y < downstream.Height; y++) { for (int x = 0; x < downstream.Width; x++) { downstream.WeightedInputs[index++] += PropogateForward(upstream, x, y, mapNumber); } } }