Question about Proxyfactor Role

[zzisun]

Hi @ppoh71 ,your code helped me a lot! 😄
I have a question about logic.
Why is proxyfactor necessary doubled when recognizing middle touch?

if  touchStart.y > rect.frame.minY + (proxyFactor*2) 
    &&  touchStart.y < rect.frame.maxY - (proxyFactor*2) 
    &&  touchStart.x > rect.frame.minX + (proxyFactor*2) 
    &&  touchStart.x < rect.frame.maxX - (proxyFactor*2) {
          resizeRect.middelTouch = true
          print("middle")
          return
}