HorizonTween Plugin: on the fly tweening animation for UE4

hi,
4.20.1 is in live, and it should fix the bugs.

*4.20.1

  • BugFix: Expose bUseCustomCurve for BP to fix bUseCustomCurve are set to true by engine.
  • BugFix: CurrentDuration and CurrentAlpha value in UHorizonTweenEvent::Finish(bool bTweenToEnd = true)
  • BugFix: CurrentAlpha in UHorizonTweenEvent::Finish for EHorizonTweenPlayMode::PingPong