Box2D alternatives and similar libraries
Based on the "Physics" category.
Alternatively, view Box2D alternatives based on common mentions on social networks and blogs.
-
Bullet
Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc. -
Simbody
High-performance C++ multibody dynamics/physics library for simulating articulated biomechanical and mechanical systems like vehicles, robots, and the human skeleton. -
CHRONO
High-performance C++ library for multiphysics and multibody dynamics simulations -
Newton Dynamics
Newton Dynamics is an integrated solution for real time simulation of physics environments.
InfluxDB - Power Real-Time Data Analytics at Scale
* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest.
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README
Build Status
Box2D
Box2D is a 2D physics engine for games.
Contributing
Please do not submit pull requests with new features or core library changes. Instead, please file an issue first for discussion. For bugs, I prefer detailed bug reports over pull requests.
Features
Collision
- Continuous collision detection
- Contact callbacks: begin, end, pre-solve, post-solve
- Convex polygons and circles
- Multiple shapes per body
- One-shot contact manifolds
- Dynamic tree broadphase
- Efficient pair management
- Fast broadphase AABB queries
- Collision groups and categories
Physics
- Continuous physics with time of impact solver
- Persistent body-joint-contact graph
- Island solution and sleep management
- Contact, friction, and restitution
- Stable stacking with a linear-time solver
- Revolute, prismatic, distance, pulley, gear, mouse joint, and other joint types
- Joint limits, motors, and friction
- Momentum decoupled position correction
- Fairly accurate reaction forces/impulses
System
- Small block and stack allocators
- Centralized tuning parameters
- Highly portable C++ with no use of STL containers
Testbed
- OpenGL with GLFW
- Graphical user interface with imgui
- Extensible test framework
- Support for loading world dumps
Building
- Install CMake
- Ensure CMake is in the user
PATH
- Visual Studio: run
build.bat
from the command prompt - Otherwise: run
build.sh
from a bash shell - Results are in the build sub-folder
- On Windows you can open box2d.sln
Building Box2D - Using vcpkg
You can download and install Box2D using the vcpkg dependency manager:
- git clone https://github.com/Microsoft/vcpkg.git
- cd vcpkg
- ./bootstrap-vcpkg.sh
- ./vcpkg integrate install
- ./vcpkg install box2d
The Box2D port in vcpkg is kept up to date by Microsoft team members and community contributors. If the version is out of date, please create an issue or pull request on the vcpkg repository.
Note: vcpkg support is not provided by the Box2D project
Building for Xcode
- Install CMake
- Add Cmake to the path in .zprofile (the default Terminal shell is zsh)
- export PATH="/Applications/CMake.app/Contents/bin:$PATH"
- mkdir build
- cd build
- cmake -G Xcode ..
- open box2d.xcodeproj
- Select the testbed scheme
- Edit the scheme to set a custom working directory, make this be in box2d/testbed
- You can now build and run the testbed
Installing using CMake
You can build and install the library and docs using this command sequence (requires Doxygen):
mkdir build
cd build
cmake -DBOX2D_BUILD_DOCS=ON ..
cmake --build .
cmake --build . --target INSTALL
On Windows this tries to install in Program Files
and thus requires admin privileges. Alternatively you can target another directory using something like this:
mkdir build
cd build
cmake -DBOX2D_BUILD_DOCS=ON -DCMAKE_INSTALL_PREFIX="C:/packages" ..
cmake --build .
cmake --build . --target INSTALL
Documentation
License
Box2D is developed by Erin Catto, and uses the MIT license.
Sponsorship
Support development of Box2D through Github Sponsors
*Note that all licence references and agreements mentioned in the Box2D README section above
are relevant to that project's source code only.