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Games & Graphics

The most popular blog posts about games & graphics on Hacker News. 165 posts.

2023
5

Simulating fluids, fire, and smoke in real-time

Fire is an interesting graphics problem. Past approaches generally faked it. For example, Lord of the Rings used sprites with lots and lots of smoke (the fluid sim was too expensive at the time, even for movies). Real-time applications like video games have pretty much exclusively used non-physical approaches.

12

Interactive intro to shaders

Demystify shaders with this beginner-friendly guide. Explore fragment shaders, signed distance functions, and metaballs through interactive code examples. Learn how to create beautiful blob animations and effects using just a few lines of code.

20

Commander Keen's adaptive tile refresh

I have been reading Doom Guy by John Romero. It is an excellent book which I highly recommend. In the ninth chapter, John describes being hit by lightning upon seeing Adaptive Tile Refresh (ATR). That made me realize I never took the time to understand how this crucial piece of tech powers the Commander Keen (CK)…

30

Gaussian splatting is pretty cool

SIGGRAPH 2023 just had a paper “ 3D Gaussian Splatting for Real-Time Radiance Field Rendering ” by Kerbl, Kopanas, Leimkühler, Drettakis, and it looks pretty cool! Check out their website, source code repository, data sets and so on (I should note that it is really, really good to see full source and full data sets…