Hi, I started working on one project to try make simple 3d game.. I know java good, but I'm newbie in OpenGl... than I look at some tutorial and I use something from it.. all worked nice before I added "Scene" class, it holding all models and camera. Now it still showing only black screen.. Where can be problem? What can I lost..

Some source, if you need something more say..
http://www.java-gaming.org/?action=pastebin&id=279

Thanks for help and sorry for not very good english.