reduce code duplication to move intro background
reduce code duplication to move intro background


EVAST9919/osu,Frontear/osuKyzer,ppy/osu,peppy/osu,DrabWeb/osu,johnneijzen/osu,smoogipoo/osu,Nabile-Rahmani/osu,peppy/osu,NeoAdonis/osu,UselessToucan/osu,UselessToucan/osu,ZLima12/osu,ZLima12/osu,peppy/osu-new,smoogipooo/osu,2yangk23/osu,naoey/osu,NeoAdonis/osu,2yangk23/osu,naoey/osu,smoogipoo/osu,peppy/osu,DrabWeb/osu,johnneijzen/osu,smoogipoo/osu,EVAST9919/osu,naoey/osu,NeoAdonis/osu,ppy/osu,DrabWeb/osu,UselessToucan/osu,ppy/osu