tidy up a bit

Author: monkstone

nature-of-code/animation/Exercise_10_05_LayeredNetworkAnimation.rb

@@ -1,18 +1,18 @@
 #!/usr/bin/env jruby
-require 'propane'
 
+# The Nature of Code
+# Daniel Shiffman
+# http://natureofcode.com
+require 'propane'
+# An animated drawing of a Neural Network
 class LayeredNetwork < Propane::App
-  # The Nature of Code
-  # Daniel Shiffman
-  # http://natureofcode.com
 
-  # An animated drawing of a Neural Network
   load_libraries :neural_network
 
   attr_reader :network, :output
 
   def setup
-    sketch_title 'Exercise 10 05 Layered Network Animation'
+    sketch_title 'Layered Network Animation'
     # Create the Network object
     @network = Network.new(width / 2, height / 2)
     layers = 3
@@ -42,7 +42,7 @@ def draw
     network.update
     network.display
     # Every 30 frames feed in an input
-    network.feedforward(rand, rand) if (frame_count % 30 == 0)
+    network.feedforward(rand, rand) if (frame_count % 30).zero?
   end
 
   def settings

nature-of-code/animation/library/neural_network/lib/connection.rb

@@ -3,7 +3,6 @@
 # http://natureofcode.com
 
 # An animated drawing of a Neural Network
-
 class Connection
   include Propane::Proxy
   # Connection is from A to B

nature-of-code/animation/library/neural_network/lib/network.rb

@@ -1,11 +1,9 @@
 # The Nature of Code
 # Daniel Shiffman
 # http:#natureofcode.com
-# An animated drawing of a Neural Network
-
+# The Network has a list of neurons
 class Network
   include Propane::Proxy
-  # The Network has a list of neurons
   attr_reader :neurons, :connections, :location
 
   def initialize(x, y)
@@ -38,15 +36,15 @@ def feedforward(input1, input2)
 
   # Update the animation
   def update
-    connections.each { |c| c.update }
+    connections.each(&:update)
   end
 
   # Draw everything
   def display
     push_matrix
     translate(location.x, location.y)
-    neurons.each { |n| n.display }
-    connections.each { |c| c.display }
+    neurons.each(&:display)
+    connections.each(&:display)
     pop_matrix
   end
 end

nature-of-code/animation/library/neural_network/lib/neuron.rb

@@ -2,7 +2,6 @@
 # The Nature of Code
 # http://natureofcode.com
 # An animated drawing of a Neural Network
-
 class Neuron
   include Propane::Proxy
   # Neuron has a location

nature-of-code/animation/library/neural_network/lib/static_network.rb

@@ -1,7 +1,7 @@
 # The Nature of Code
 # Daniel Shiffman
 # http://natureofcode.com
-
+# The static network
 class StaticNetwork
   include Propane::Proxy
   attr_reader :neurons, :location
@@ -32,7 +32,7 @@ def initialize(layers, inputs, _outputs)
   def display
     push_matrix
     translate(location.x, location.y)
-    neurons.each { |n| n.display }
+    neurons.each(&:display)
     pop_matrix
   end
 end