How do I measure the velocity of a swipe?

Question

I\'m developing a game that will use the force of the swipe as a variable user input.

I read from the documentation that on the touchesEnded event, I can get the allTouc

Answer 1

You could use a UIPanGestureRecognizer which has function velocityInView. See https://developer.apple.com/library/ios/documentation/UIKit/Reference/UIPanGestureRecognizer_Class/