Add some (badly) generated platforms that will scroll

down whenever the player's top side depasses the middle
of the screen.
WiP.

src/gameplaysceneclassic.hpp

@@ -28,6 +28,7 @@ namespace cloonel {
 	class Character;
 	class MoverSine;
 	class MoverLeftRight;
+	class MoverWorld;
 	class TiledWallpaper;
 	class Texture;
 	class PlatformSystem;
@@ -46,6 +47,7 @@ namespace cloonel {
 		std::unique_ptr<Character> m_player;
 		std::unique_ptr<MoverSine> m_moverSine;
 		std::unique_ptr<MoverLeftRight> m_moverLeftRight;
+		std::unique_ptr<MoverWorld> m_moverWorld;
 		std::unique_ptr<TiledWallpaper> m_wallpaper;
 		std::unique_ptr<PlatformSystem> m_platforms;
 	};