Created
May 5, 2015 23:25
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Rubber band log10
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| @IBAction func viewDragged(sender: UIPanGestureRecognizer) { | |
| let yTranslation = sender.translationInView(view).y | |
| if (hasExceededVerticalLimit(topViewConstraint.constant)){ | |
| totalTranslation += yTranslation | |
| topViewConstraint.constant = logConstraintValueForYPoisition(totalTranslation) | |
| if(sender.state == UIGestureRecognizerState.Ended ){ | |
| animateViewBackToLimit() | |
| } | |
| } else { | |
| topViewConstraint.constant += yTranslation | |
| } | |
| sender.setTranslation(CGPointZero, inView: view) | |
| } | |
| func logConstraintValueForYPoisition(yPosition : CGFloat) -> CGFloat { | |
| return verticalLimit * (1 + log10(yPosition/verticalLimit)) | |
| } |
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There is a spelling error ("logConstraintValueForYPoisition"). I've corrected it here.
Great post!