Use displayLink.duration instead of manually tracking the frame duration.
Use displayLink.duration instead of manually tracking the frame duration.

johnmyqin/OLImageView,tinyspeck/OLImageView,RyanTech/OLImageView,nickoneill/OLImageView,DuncanMC/OLImageView,realsnake/OLImageView,ondalabs/OLImageView,rimarsh/OLImageView,supermarin/OLImageView,hejunbinlan/OLImageView,njuxjy/OLImageView,cockscomb/OLImageView,niuxinghua/OLImageView,dtorres/OLImageView,duanhjlt/OLImageView,toruurakawa/OLImageView,Kingside/OLImageView