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UIGestureRecognizer Tutorial: Creating Custom Recognizers

🎓 Courses & Articles
1

Learn how to detect circles in this custom UIGestureRecognizer tutorial. You'll even learn how the math works!

This is a companion discussion topic for the original entry at https://www.raywenderlich.com/1724-uigesturerecognizer-tutorial-creating-custom-recognizers
2

Is it possible to detect some other shapes like rectangle, square, ellipse, etc,.

3

Of course, there are different approaches, depending on the shape. The main thing is to look at the points covered by the gesture recognizer and fitting it to a shape.

4

This tutorial is more than six months old so questions are no longer supported at the moment for it. We will update it as soon as possible. Thank you! :]