Posted by gouessej on Oct 15, 2015; 5:56pm
URL: https://forum.jogamp.org/Collision-Detection-Bug-in-Java-3D-1-5-2-tp4035467p4035473.html

Why do you need to use those both lines? Isn't the first one enough?

group.addChild(shape3.getSphereTGrp());
group.addChild(shape3);