Added some structuring.

The game runs but only a black window is shown.

src/gameplayscene.cpp

@@ -0,0 +1,24 @@
+#include "gameplayscene.hpp"
+#include "mover.hpp"
+
+namespace cloonel {
+	///--------------------------------------------------------------------------
+	///--------------------------------------------------------------------------
+	GameplayScene::GameplayScene (SDLMain* parSdlMain) :
+		GameBase(parSdlMain)
+	{
+	}
+
+	///--------------------------------------------------------------------------
+	///--------------------------------------------------------------------------
+	void GameplayScene::OnUpdate (float parDelta) {
+		for (auto itMover : m_movers) {
+			itMover->ApplyMotion(parDelta);
+		}
+	}
+
+	///--------------------------------------------------------------------------
+	///--------------------------------------------------------------------------
+	void GameplayScene::OnRender() {
+	}
+} //namespace cloonel