ios - Select part of GLKViewController -


i'm try implement this in project. have troubles it. plan use uipangesturerecognizer change size of rectangle. understand, should use uiview , custom drawrect method?

add action uipangesturerecognizer , use translation:

func wasdragged(gesture: uipangesturerecognizer) {     let translation = gesture.translationinview(self.view)     // resizing here, e.g.      customview.frame.size.width = currentframe.width + translation.x     customview.frame.size.height = currentframe.height + translation.y      if gesture.state == .ended {         currentframe = customview.frame     } }

using method, add cgrect variable store currentframe.


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