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The latest blog posts to take off on Hacker News. 2,924 posts.

Games & Graphics
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109

Box3D, an open source 3D physics engine

I’m happy to announce the release of Box3D, an open source 3D physics engine. It is now available on GitHub. Box3D repository You can think of Box3D as a fork of Box2D, extended with many features needed for 3D games. Some additions: Triangle mesh collision Height-field collision Baked compound collision The core…

110

Building Principia for Windows XP

Back in the day when Principia originally released for Windows in 2014, the game would run on versions as far back as Windows XP. Given that Principia 1.4 was released while Windows XP still had mainstream support, this of course made sense at the time, and there was no real reason not to support it given that the…

116

The Low-Tech AI of Elden Ring

FROMSOFT has a reputation for diverse and punishing npc encounters across the entire Soulsborne extended series, but the implementation of the AI decision making itself is perhaps unexpectedly low-tech. Since the majority of the code is implemented in Havok Script (A games-oriented Lua implementation from Havok) it’s…