Make circular joystick

Posted by Jaba on Stack Overflow See other posts from Stack Overflow or by Jaba
Published on 2010-03-24T13:11:47Z Indexed on 2010/03/24 19:13 UTC
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How do I make a joystick like the one in i dig it, using UIImageView's that the smaller one can be used to move around, I just really would like to know how I would get the smaller UIImageView to stay inside the larger one, I just don't know how I would do this because they are both circular. I have an Image below:
alt text

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