panGestureRecognizer

Hi


In this quick demo the first line as I understand is enouch to change the image of file, why he needed to use the second line

the one with CGPoint.zero ? it doesnt make sense to me ?

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Kindest Regards


h ttps://www.youtube.com/watch?v=rnJxpuPyLNA

panGestureRecognizer
 
 
Q