Added require_all method to replace explicitly requiring every source file, added SoundManager and sound effects, added sound for shield/health regen

lib/sound_effects/shield_regen.rb

@@ -0,0 +1,25 @@
+class IMICFPS
+  class SoundEffect
+    class ShieldRegen < SoundEffect
+      def setup
+        @sound = SoundManager.sound("base", :shield_regen)
+        @player = @options[:player]
+
+        @channel = @sound.play(0.0, 0.0, true)
+      end
+
+      def ratio
+        @player.health
+      end
+
+      def update
+        @channel.speed = 0.5 + ratio / 2
+        @channel.volume = 1.0 - ratio / 2
+      end
+
+      def done?
+        ratio >= 1.0
+      end
+    end
+  end
+end