[gl4java-usergroup] TrackBall Viewer?

[Alvin C. <dot...@ho...>]

The Magician Api for opengl contains a class to construct a Trackball for 3d 
viewing using the mouse. Apparently, neither GL4Java and Jogl offers it. 
Does anyone have the appropriate code for the matrix transformations? I am 
relatively new to the concept of bounding sphere etc... Thanks

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