SceneGraph: this constructor should be always there.
SceneGraph: this constructor should be always there.

Probably forgot to revert this when I had Camera2D/3D subclasses for
deprecated build (and thus this constructor was only needed in those
subclasses).

ashimidashajia/magnum,ashimidashajia/magnum,MiUishadow/magnum,DerThorsten/magnum,DerThorsten/magnum,MiUishadow/magnum,DerThorsten/magnum,ashimidashajia/magnum,DerThorsten/magnum,MiUishadow/magnum,MiUishadow/magnum,MiUishadow/magnum,ashimidashajia/magnum,MiUishadow/magnum,DerThorsten/magnum,ashimidashajia/magnum