Posted by Irene Tang on Feb 26, 2016; 8:50am
URL: https://forum.jogamp.org/SOLVED-mouse-input-tp3504609p4036359.html

I am using glu.gluPerspective(60.0f, (float) width / (float) height, 1.0f, 100.0f);

 set boundaries when you are axis aligned. this means when you look at the red cylinder and the walls of the grid are either parallel or perpendicular to you   What's that mean? I don't understand.