Box2D v2.4.0 Release Notes

Release Date: 2020-07-27 // almost 3 years ago
  • ๐Ÿ”„ Changes for version 2.4.0


    • ๐Ÿ“š Documentation in Doxygen format
    • ๐Ÿ‘ท CMake build system
    • โœ… Unit test support
    • โœ… Continuous integration testing using Travis CI
    • Limited use of C++11 (nullptr and override)
    • ๐Ÿ‘ Restructured folders and renamed files to better match open-source standards
    • MIT License
    • โœ‚ Removed float32 and float64
    • ๐Ÿ”— Linked the Box2D project to GitHub Sponsors


    • Chain and edge shape must now be one-sided to eliminate ghost collisions
    • Broad-phase optimizations
    • โž• Added b2ShapeCast for linear shape casting


    • Joint limits are now predictive and not stateful
    • Experimental 2D cloth (rope)
    • b2Body::SetActive -> b2Body::SetEnabled
    • ๐Ÿ‘ Better support for running multiple worlds
    • ๐Ÿ– Handle zero density better
      • The body behaves like a static body
      • The body is drawn with a red color
    • โž• Added translation limit to wheel joint
    • World dump now writes to box2d_dump.inl
    • Static bodies are never awake
    • All joints with spring-dampers now use stiffness and damping
    • โž• Added utility functions to convert frequency and damping ratio to stiffness and damping

    โœ… Testbed

    • โœ… Testbed uses dear imgui
    • glad OpenGL loader
    • OpenGL 3.3 required