Photorealism in video games is already there in the form of path tracing: <a href="https:&#x2F;&#x2F;home.otoy.com&#x2F;render&#x2F;brigade&#x2F;" rel="nofollow">https:&#x2F;&#x2F;home.otoy.com&#x2F;render&#x2F;brigade&#x2F;</a>