Posted by gouessej on Apr 19, 2018; 8:19am
URL: https://forum.jogamp.org/Order-of-children-not-necessary-respected-tp4038695p4038821.html

Disabling the sort helps in your case. No this policy is implemented in the spatials. You should look at the comparators of the render buckets. This sort mostly ensures that the engine draws the objects farther from the camera first.