BEPUphysics
A pure C# 3D real-time physics simulation library for .NET 8, offering high-performance rigid body physics.
What is BEPUphysics?
BepuPhysics v2 is a pure C# 3D real-time physics simulation library designed for high-performance rigid body physics in .NET applications. It solves the need for a fast, native C# physics engine that can handle complex collisions, constraints, and simulations without relying on external native libraries. The library is a complete rewrite of the original BEPUphysics, optimized for modern .NET 8 and real-time use cases like games and interactive simulations.
Game developers, simulation engineers, and .NET developers building real-time 3D applications that require accurate and performant physics simulations, especially those working in C# ecosystems like Unity (via integration) or custom engines.
Developers choose BepuPhysics v2 for its pure C# implementation, which eliminates native dependencies and offers deep integration with .NET, combined with its focus on performance through low-level optimizations and extensible design for custom physics needs.
Overview
Pure C# 3D real time physics simulation library, now with a higher version number.
Use Cases
Best For
- Building custom 3D game engines in C# that require physics simulation
- Real-time simulation applications in robotics or engineering that need accurate collision detection
- Educational projects for learning physics engine internals and C# optimization
- Prototyping physics-heavy gameplay mechanics without relying on Unity's built-in physics
- Integrating a high-performance physics backend into .NET-based interactive applications
- Developing character controllers and complex constraint systems for 3D games
Not Ideal For
- Projects requiring drag-and-drop physics integration with visual editors like Unity's built-in system
- Applications focused solely on 2D physics simulations, as it is optimized for 3D
- Teams preferring high-level, idiomatic C# APIs for rapid prototyping without low-level tweaks
Pros & Cons
Pros
Optimized with System.Numerics.Vectors and RyuJIT for real-time simulations, achieving 'super speediness' as highlighted in the README.
Supports diverse collision shapes like spheres, capsules, convex hulls, and meshes, enabling complex physical interactions without external libraries.
Includes a wide variety of constraint types, detailed in the constraints folder, for simulating intricate systems like joints and hinges.
Provides efficient ray and sweep queries across the entire scene, useful for game mechanics like targeting or collision detection.
Cons
The README admits 'highly nonidiomatic APIs,' making it challenging for developers accustomed to standard .NET patterns and increasing integration effort.
Documentation pages may be broken, with reliance on raw repo versions as backup, indicating potential reliability issues for newcomers.
Lacks pre-built support for popular engines like Unity, requiring custom work for seamless use in common game development workflows.
Frequently Asked Questions
Related Projects
MonoGameOne framework for creating powerful cross-platform games.
NezNez is a free 2D focused framework that works with MonoGame and FNA
osu-frameworkA game framework written with osu! in mind.
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