jrouwe/JoltPhysics
View on GitHub ↗ ★ 12,142 C++
A multi core friendly rigid body physics and collision detection library. Written in C++. Suitable for games and VR applications. Used by Horizon Forbidden West and Death Stranding 2.
16 mentions on Hacker News by 12 people: 4 stories, 12 comments · first 2022-03-10 · latest 2026-08-11
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Jolt Physics: https://github.com/jrouwe/JoltPhysics
comment by ivanjermakov · 2026-08-11 · in Jolt: Clojure compiler implemented with Chez Scheme -
…[2] https://jolt.a16zcrypto.com/ [3] https://godotengine.org/ [4] https://github.com/jrouwe/JoltPhysics
comment by xuejie · 2026-07-13 · in Ask HN: What Are You Working On? (July 2026) -
About Jolt, do you mean https://github.com/jrouwe/JoltPhysics ?
comment by tapirl · 2026-07-01 · in Box3D, an open source 3D physics engine -
> Today the options are either free and open source (which can be extremely high quality, like Jolt: https://github.com/jrouwe/JoltPhysics ) I did mention this was changing in particular with physics engines. That being said, proprietary…
comment by ux266478 · 2026-03-24 · in Testing the Swift C compatibility with Raylib (+WASM) -
…Today the options are either free and open source (which can be extremely high quality, like Jolt: https://github.com/jrouwe/JoltPhysics ) or fully featured engines like Godot, Unity or UE - but little inbetween those "extremes".
comment by flohofwoe · 2026-03-24 · in Testing the Swift C compatibility with Raylib (+WASM) -
…it has been a personal learning project. which is really rather wonderful and inspiring to see. [0] https://github.com/jrouwe/JoltPhysics
comment by yunruse · 2026-01-08 · in I'm making a game engine based on dynamic signed distance fields (SDFs) [video] -
…major ones: https://github.com/ConfettiFX/The-Forge was used in No Man's Sky, Hades and Starfield. https://github.com/jrouwe/JoltPhysics is the physics engine in Horizon Forbidden West.
comment by klaussilveira · 2023-10-18 · in Ask HN: Released games built on FOSS engines? -
…as someone who loves physics in video games I always enjoy learning a bit about how it all works: https://github.com/jrouwe/JoltPhysics http://jrouwe.nl/architectingjolt/ArchitectingJoltPhysics_Ro... http://jrouwe.nl/architectingjolt/
comment by hypertexthero · 2023-10-10 · in Simulation Islands -
There is now also JoltPhysics https://github.com/jrouwe/JoltPhysics which is used in Horizon Forbidden West.
comment by kavaari · 2023-07-08 · in Bevy XPBD: A physics engine for the Bevy game engine -
…surprised if the physics engine landscape looks very different in 5 years compared to 5 years ago: https://github.com/jrouwe/JoltPhysics
comment by flohofwoe · 2023-03-16 · in Rust – Are We Game Yet? -
…West uses a custom physics engine that started out as one of the core dev's fun side projects: https://github.com/jrouwe/JoltPhysics Physics engines (at least game quality physics engines) are starting to drift in to "solved problem"…
comment by dljsjr · 2022-09-15 · in Godot 4 Beta 1 -
…in C++ for both GJK and EPA is in Jolt Physics (used in the game Horizon Forbidden West): https://github.com/jrouwe/JoltPhysics/tree/master/Jolt/Geome...
comment by erwincoumans · 2022-03-10 · in GJK: Collision detection algorithm in 2D/3D