How to detect circular gesture via Gesture Recognizer?

If the latter, take a look at UIRotationGestureRecognizer .

As failing to find a solution, and by logical inspiration from @sixten's answer, I've gone and created something useful, it's not bullet proof, but it seems to do what I need for now.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.