Fixed lighting artifacts caused by untransformed normals, added 'Scene' for holding objects for rendering, added turn table models to menus using a scene, misc other changes.

lib/window.rb

@@ -1,7 +1,7 @@
 class IMICFPS
   class Window < CyberarmEngine::Engine
     attr_accessor :number_of_vertices, :needs_cursor
-    attr_reader :camera, :config
+    attr_reader :renderer, :scene, :config
 
     attr_reader :console, :delta_time
     def initialize(window_width = 1280, window_height = 720, fullscreen = false)
@@ -23,6 +23,10 @@ class IMICFPS
       @console = Console.new
       Commands::Command.setup
 
+      @renderer = Renderer.new
+      @renderer.preload_default_shaders
+      @scene = TurnTableScene.new
+
       at_exit do
         @config.save!
       end