can't find a reference for the actual bug but it's been mentioned before:
https://forum.processing.org/topic/bug-in-3d
https://forum.processing.org/topic/drawing-shapes-behind-the-scene-is-very-slow-in-p3d
i've had the problem myself and raised a question about it, but it might've been in the previous forum.
https://forum.processing.org/topic/bug-in-3d
https://forum.processing.org/topic/drawing-shapes-behind-the-scene-is-very-slow-in-p3d
i've had the problem myself and raised a question about it, but it might've been in the previous forum.