Traffic Lights in shoes

test.rb

@@ -0,0 +1,22 @@
+
+def method_one
+	puts "Method one running"
+end
+
+def method_two
+	puts "Method two running"
+end
+
+def method_three
+	puts "Method three running"
+end
+
+
+while true
+	sleep(1)
+	method_one
+	sleep(1)
+	method_two
+	sleep(1)
+	method_three
+end

traffic.rb

@@ -9,6 +9,13 @@ def each
   end
 end
 
+module TL
+  Go = "#00FF30"
+  Wait = "#FFFC00"
+  Stop = "#FF0000"
+  Off = "#999999"
+end
+
 class Bulb < Shoes::Shape
   attr_accessor :stack
   attr_accessor :left
@@ -34,16 +41,61 @@ def bulb_colour
   end  
 end
 
+class GoBulb < Bulb
+  def bulb_colour
+    if self.switched_on 
+      TL::Go 
+    else
+      TL::Off
+    end
+  end
+
+end
+
+class WaitBulb < Bulb
+    def bulb_colour
+        if self.switched_on 
+      TL::Wait 
+    else
+      TL::Off
+    end
+  end
+
+end
+
+class StopBulb < Bulb
+    def bulb_colour
+       if self.switched_on 
+      TL::Stop 
+    else
+      TL::Off
+    end
+  end
+
+end
+
+
 Shoes.app :title => "My Amazing Traffic Light", :width => 150, :height => 250 do
   background "#000000".."#666666", :curve => 10, :margin => 25  
   stroke black    
 
   @traffic_light = TrafficLight.new
-  @top = Bulb.new self, 50, 40, true     
-  @middle = Bulb.new self, 50, 100, true
-  @bottom = Bulb.new self, 50, 160, true
+  @top = GoBulb.new self, 50, 40, false    
+  @middle = WaitBulb.new self, 50, 100, false
+  @bottom = StopBulb.new self, 50, 160, true
 
+  counter = 0
   click do
-
+    @traffic_light.each {|state|
+      animate(1) do
+        puts state.to_s
+        @top.switched_on = state[0]
+        @top.draw(@top.left, @top.top, @top.bulb_colour)
+        @middle.switched_on = state[1]
+        @middle.draw(@middle.left, @middle.top, @middle.bulb_colour)
+        @bottom.switched_on = state[2]
+        @bottom.draw(@bottom.left, @bottom.top, @bottom.bulb_colour)
+      end
+    }
   end
 end