Page 34/36 repositioning. Make some blocks transparent. Add TGLXYZGrid for easier orientation. ·    Write narrative story for Tetris – now that is a challenge! Let me give you one last advice. There is more to programming than just clean code. Don’t look only for technical documentation like this one to make your programs better. There is a lot of articles about programming theory other than technical on Internet. Users now are choosier. Your application has to be more user friendly than other applications of same kind. Even if you are making freeware you still want users to be happy about it. You should give same time to designing and debugging as to programming itself. It pays of! GLScene beginner's guide, Jan Zizka, 2005