Enhances audio effects.Adds TitleScene.

src/iScene.h

@@ -4,6 +4,8 @@
 
 #include "Frame.h"
 #include "iAllocator.h"
+#include "iAudioDevice.h"
+#include "iClock.h"
 #include "iDrawable.h"
 #include "iWritable.h"
 
@@ -13,6 +15,12 @@ namespace gj {
 
 class iScene {
  public:
+  struct Param {
+    iAllocator*   alloc;
+    iAudioDevice* audio;
+    const iClock* clock;
+  };
+
   iScene() = default;
   iScene(iScene&&) = default;
   iScene(const iScene&) = default;