Tidy up scale/rotation operation code
Tidy up scale/rotation operation code

ppy/osu,NeoAdonis/osu,peppy/osu-new,peppy/osu,smoogipoo/osu,UselessToucan/osu,UselessToucan/osu,ppy/osu,smoogipoo/osu,NeoAdonis/osu,peppy/osu,smoogipoo/osu,ppy/osu,NeoAdonis/osu,UselessToucan/osu,peppy/osu,smoogipooo/osu