Yes, you can do this. Although as far as I remember you should have different names for bars and parameters for each instance of the class, because AntTweakBar (the library behind InterfaceGl) refers them by name. If there are two parameters or parameter bars sharing a name only one of them will show.
Yea thank you Paul. I've already signed in on new forum. I just didn't want to make duplicity on http://discourse.libcinder.org/ and colse the thread over here.
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