Removed some logging and commented out code

Also added a couple of comments related to the scene logic

app/scenes/settings.rb

@@ -8,10 +8,8 @@ class SettingsMenu < MenuScene
         key:       :sfx,
         kind:      :toggle,
         on_select: ->(args) do
-          puts 'toggle sfx'
           GameSetting.save_after(args) do |args|
             args.state.setting.sfx = !args.state.setting.sfx
-            puts "sfx = #{args.state.setting.sfx}"
           end
         end
       },

app/tick.rb

@@ -18,7 +18,6 @@ def tick(args)
 
   Input.track_swipe(args) if mobile?
 
-  # Scene.send("tick_#{args.state.scene}", args)
   args.state.scene_stack.each do |scene|
     scene.tick(args) if scene.tick_in_background || scene == args.state.scene_stack.last
   end

app/util/music.rb

@@ -49,15 +49,11 @@ module Music
       queue.each do |channel, value|
         unless value.empty?
           if args.audio["MUSIC_CHANNEL_#{channel}"]
-            puts "THERE'S MUSIC CURRENTLY PLAYING #{args.audio["MUSIC_CHANNEL_#{channel}"]}"
             if args.audio["MUSIC_CHANNEL_#{channel}"].looping
-              puts "CANCEL THE LOOP ON CURRENT MUSIC"
               args.audio["MUSIC_CHANNEL_#{channel}"].looping = false
             end
           else
-            puts "PLAY THAT FUNKY MUSIC! #{value}"
             value.shift.play_music(args, { channel: channel, gain: args.state.setting.music ? 0.8 : 0.0 })
-            puts "Now, the queue is #{value}"
           end
         end
       end

app/util/scene.rb

@@ -7,8 +7,8 @@
 # SceneInstance
 #
 # The main `#tick` of the game handles delegating to the current scene based on
-# the `args.state.scene` value, which is a symbol of the current scene, ex:
-# `:gameplay`
+# the `args.state.scene_stack` value, which contains the current scene, as well
+# as scenes that can be "popped" back to.
 module Scene
   class << self
     # Change the current scene, and optionally reset the scene that's begin
@@ -19,15 +19,21 @@ module Scene
       args.state.scene_stack ||= []
       # if we're here /not/ from push or pop, clear the scene stack
       args.state.scene_stack.clear unless push_or_pop
-      args.state.scene_stack.push(scene) if args.state.scene_stack.empty?
       
-      scene.reset(args) if reset
+      # if `scene` is not a `SceneInstance`, it's probably a symbol representing
+      # the scene we're switching to, so go get it.
+      the_scene = scene.is_a?(SceneInstance) ? scene : SCENES[scene].new(args)
+
+      # if the stack is empty (e.g. we just cleared it), then push this scene
+      args.state.scene_stack.push(the_scene) if args.state.scene_stack.empty?
+
+      # if we asked to reset the scene, then do so.
+      the_scene.reset(args) if reset
 
-      args.state.scene = scene
       raise FinishTick, 'finish tick early'
     end
 
-    # Change the current scene and push the previous scene onto the stack
+    # Change the current scene by pushing it onto the scene stack
     def push(args, scene, reset: false)
       args.state.scene_stack ||= []
       the_scene = scene.is_a?(SceneInstance) ? scene : SCENES[scene].new(args)

app/util/sound.rb

@@ -24,39 +24,3 @@ module Sound
     end
   end
 end
-
-# # play a sound effect. the file in sounds/ must match the key name. ex:
-# # play_sfx(args, :select)
-# def play_sfx(args, key)
-#   if args.state.setting.sfx
-#     args.outputs.sounds << "sounds/#{key}.wav"
-#   end
-# end
-
-# # play the specified music track, the key must correspond to the
-# # `sounds/#{key}.ogg` file naming scheme.
-# def play_music(args, key)
-#   args.audio[:music] = { input: "sounds/#{key}.ogg", looping: true, }
-#   set_music_vol(args)
-# end
-
-# # sets the music vol based on whether or not music is enabled or disabled
-# def set_music_vol(args)
-#   vol = args.state.setting.music ? 0.8 : 0.0
-#   args.audio[:music]&.gain = vol
-# end
-
-# # pause the currently playing music track
-# def pause_music(args)
-#   args.audio[:music].paused = true
-# end
-
-# # pause the current music track
-# def resume_music(args)
-#   args.audio[:music].paused = false
-# end
-
-# # stop the currently playing music track
-# def stop_music(args)
-#   args.audio.delete(:music)
-# end