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2014/10/15 ¤U¤È 10:10:55
iphone Programming Glossary: lasttouchpositionUsing UIPinchGestureRecognizer to scale uiviews in single direction http://stackoverflow.com/questions/6759028/using-uipinchgesturerecognizer-to-scale-uiviews-in-single-direction view NSLog @ scalePiece enter if gestureRecognizer state UIGestureRecognizerStateBegan NSLog @ inside if lastTouchPosition gestureRecognizer locationInView piece else if gestureRecognizer state UIGestureRecognizerStateBegan gestureRecognizer state.. @ inside else CGPoint currentTouchLocation gestureRecognizer locationInView piece NSLog @ currentTouchLocation @ and lastTouchPosition @ NSStringFromCGPoint currentTouchLocation NSStringFromCGPoint lastTouchPosition CGPoint deltaMove self calculatePointDistancewithPoint1.. NSLog @ currentTouchLocation @ and lastTouchPosition @ NSStringFromCGPoint currentTouchLocation NSStringFromCGPoint lastTouchPosition CGPoint deltaMove self calculatePointDistancewithPoint1 currentTouchLocation andPoint2 lastTouchPosition NSLog @ deltaMove..
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