DanielChappuis/reactphysics3d

Health v2 · maintenance only

Adoption not part of the score

1771 stars · 269 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

ReactPhysics3D is an open-source C++ physics engine library for 3D simulations and games, providing rigid body dynamics, collision detection, joints, and ray casting. It has no external dependencies, is multi-platform, and includes documentation, a testbed with demos, and unit tests.

Use cases

• add rigid body physics to a 3D game
• simulate collision detection between 3D meshes
• implement joints and constraints in a physics simulation
• perform ray casting in a 3D scene
• build a physics sandbox or testbed demo
• simulate height fields and terrain collision

When to choose

• you need a lightweight C++ physics engine with no external dependencies
• you are building a 3D game or simulation on Windows, Linux, or macOS
• you want rigid body dynamics with collision shapes like spheres, boxes, capsules, convex meshes, and height fields
• you prefer a permissive ZLib license

When to avoid

• you need continuous collision detection or soft body physics
• you need GPU-accelerated or massively parallel physics at very large scale
• you need a physics engine with a large community and extensive third-party integrations
• you work in a language other than C++ without bindings

Facets

library · maturity active

simulation game-engine graphics simulation graphics cpp windows cross-platform physics-engine rigid-body-dynamics collision-detection 3d zlib-license game-development linux macos

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