Detecting Touches in an OpenGL rendered scene

Posted by Icky on Stack Overflow See other posts from Stack Overflow or by Icky
Published on 2010-04-29T14:09:21Z Indexed on 2010/04/29 15:17 UTC
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Hey.

I was wondering whether there is a way to detect a touch in an OpenGL rendered scene. What I have i a set of images which are being rendered in my main view. Now if the user touches one of these images (or objects) I would like to know which one was touched - similar to the

CGRectContainsPoint(frame, [touch locationInView:self.view]

method.

Is there an easy way to find out? If there is none, this would also help.

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