Stunningly realistic video game visuals made by simulating light rays

https://www.newscientist.com/article/2198866-stunningly-realistic-video-game-visuals-made-by-simulating-light-rays/

Visuals from Metro Exodus

A single frame requires calculations for up to 83 million interactions between light and visual elements

NVIDIA

“Oh, that looks gorgeous,” drawls an onlooker in a Texas accent, as I guide my fighter through a gloomy, broken-down shack in a video game called Metro Exodus. I’m struggling in hand-to-hand combat with a zombie, so Dmitry Zhdan, who worked on the game, grabs the controls and beats my foe to death with a rifle butt.

Zhdan is keen for me to stay alive in this ramshackle structure, as the bright desert sunlight splintering through the occasional …