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A Valve engineer fixed 3D lighting so hard he had to tell all the graphics card manufacturers their math was wrong, and the reaction was: 'I hate you' (www.pcgamer.com)
submitted 2 weeks ago by alessandro@lemmy.ca to c/pcgaming@lemmy.ca
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[-] gazter@aussie.zone 21 points 2 weeks ago

Made harder by brightness being perceived non - linearly. We can detect a change in brightness much easier in a dark area than a light- if the RGB value is 10%, and shifts to 15%, we'll notice it. But if it's 80% and shifts to 85%, we probably won't.

[-] kyle@lemm.ee 9 points 1 week ago

Reminds me of a video I watched where they tested human perception of 60/90/120 FPS. They had an all white screen and flashed a single frame of black at various frame rates, and participants would press a button if they saw the change. Then repeated for an all black screen and a single frame of white would flash.

At 60 and 90 FPS, most participants saw the flash. At 120 FPS, they only saw the change going from black to white.

this post was submitted on 05 Dec 2024
631 points (98.5% liked)

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