I tried many times to make atmosphere, using o neil paper, but it doesnt work ad need. Do anyone know ways to make it?
You'll probably get more answers if you phrase the question in such a way that people who don't what unnamed paper you are talking about can figure out what you are trying to do.
What kind of paper? Atmospheric scattering? Volumetric clouds? What paper? What problems are you having? We're not mind readers.
No idea what paper you're talking about. For a realistic atmospheric effect (objects tinted more blue with distance, etc) I use a volumetric fog asset I think called Fog Volume 3 if I remember correctly. Works well for me.
Seems like Megar34 meant the Sean O'Neil's paper. There seems to be a working implementation within Unity at the link below. https://atomworld.wordpress.com/2014/12/22/flexible-physical-accurate-atmosphere-scattering-part-1/ Haven't tried, just googled. EDIT : Video representation.