@vladislavbelov, @Angen As I'm not the pro in graphics programming I want to share my, I think, interesting observations with you.Normally only the objects the user could see should be rendered. So nearly only the field of view should be interesting (with some exceptions because of shadows, reflections etc).As I recognized that some big battles, which aren't in this field of view (only near to it), have a big impact to the performance, I decided to make some tests.In the following pictures