Box2D News
The latest Box2D coverage curated for game developers.
Box2D details a new inscribed-sphere culling scheme for SAT that can cut expensive convex-hull contact work before edge-pair tests even run. The approach uses cheap dot products and Gauss-map arcs …
Erin Catto has brought Box2D into 3D with the release of Box3D, a new free, open-source C physics engine. It’s already being used to drive physics in the S&Box game …
Defold’s June 2026 newsletter is mostly a status update, but the practical headline is 1.13.0: morph targets, broader Box2D scripting, Vulkan now default on Android, and new graphics/runtime inspection tools. …
Box3D is now open source on GitHub: a 3D physics engine built as a Box2D-style fork for games that need custom collision, CCD, multithreading hooks, and deterministic large-world simulation. It …
Defold 1.13.0 is a broad engine update with real impact for 3D, physics, and tooling work. The biggest wins are morph targets for glTF models, a much larger Box2D scripting …
Box2D now has a replay system built to capture a live simulation, including world state, API calls, queries, and step data, so bugs can be reproduced without a user’s full …
Defold's 2025 saw significant advancements, particularly in GPU rendering and 3D support, enhancing performance for developers. The introduction of GPU skinning and improved shader pipelines allows for more complex animations …