Box2D is a 2D physics engine for games.

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
Tests
Examples
Reviews
Builds
| toolchain |
public-0.17.0 |
| target |
x86_64-microsoft-win32-msvc14.3 |
| tgt config |
windows_10-msvc_17.10-static_O2 |
| timestamp |
2026-03-06 16:55:20 UTC (04 03:18:46 days ago) |
| result |
warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-microsoft-win32-msvc14.3 |
| tgt config |
windows_10-msvc_17.10 |
| timestamp |
2026-03-06 16:53:49 UTC (04 03:20:16 days ago) |
| result |
warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-microsoft-win32-msvc14.3 |
| tgt config |
windows_10-msvc_17.10-O2 |
| timestamp |
2026-03-06 16:52:27 UTC (04 03:21:38 days ago) |
| result |
warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14-O3 |
| timestamp |
2026-03-04 02:35:53 UTC (06 17:38:12 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14-ndebug_O3 |
| timestamp |
2026-03-04 02:34:08 UTC (06 17:39:58 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14-static_O3 |
| timestamp |
2026-03-04 02:33:22 UTC (06 17:40:43 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14 |
| timestamp |
2026-03-04 02:32:39 UTC (06 17:41:27 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-w64-mingw32 |
| tgt config |
windows_10-gcc_13.2_mingw_w64-static_O2 |
| timestamp |
2026-03-03 11:03:44 UTC (07 09:10:21 days ago) |
| result |
warning (update) | warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-w64-mingw32 |
| tgt config |
windows_10-gcc_13.2_mingw_w64-O2 |
| timestamp |
2026-03-03 11:02:30 UTC (07 09:11:36 days ago) |
| result |
warning (update) | warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-w64-mingw32 |
| tgt config |
windows_10-gcc_13.2_mingw_w64 |
| timestamp |
2026-03-03 11:00:31 UTC (07 09:13:35 days ago) |
| result |
warning (update) | warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-microsoft-win32-msvc14.3 |
| tgt config |
windows_10-clang_18_llvm_msvc_17.10-O2 |
| timestamp |
2026-03-03 10:21:16 UTC (07 09:52:49 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-microsoft-win32-msvc14.3 |
| tgt config |
windows_10-clang_18_llvm_msvc_17.10 |
| timestamp |
2026-03-03 10:20:21 UTC (07 09:53:44 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-microsoft-win32-msvc14.3 |
| tgt config |
windows_10-clang_18_llvm_msvc_17.10-static_O2 |
| timestamp |
2026-03-03 10:18:41 UTC (07 09:55:24 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_ubuntu_24.04-gcc_13-bindist |
| timestamp |
2026-03-03 10:15:48 UTC (07 09:58:17 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14-O3 |
| timestamp |
2026-03-03 10:14:05 UTC (07 10:00:00 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14-static_O3 |
| timestamp |
2026-03-03 10:13:48 UTC (07 10:00:18 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14-ndebug_O3 |
| timestamp |
2026-03-03 10:13:19 UTC (07 10:00:47 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-gcc_12-bindist |
| timestamp |
2026-03-03 10:13:00 UTC (07 10:01:05 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14 |
| timestamp |
2026-03-03 10:11:32 UTC (07 10:02:33 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-freebsd13.3 |
| tgt config |
freebsd_13-clang_17 |
| timestamp |
2026-03-03 10:09:44 UTC (07 10:04:22 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-freebsd14.1 |
| tgt config |
freebsd_14-clang_18-O3 |
| timestamp |
2026-03-03 10:09:38 UTC (07 10:04:27 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18-static_O3 |
| timestamp |
2026-03-03 10:08:32 UTC (07 10:05:34 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18_libc++-static_O3 |
| timestamp |
2026-03-03 10:08:30 UTC (07 10:05:36 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-freebsd14.1 |
| tgt config |
freebsd_14-clang_18 |
| timestamp |
2026-03-03 10:08:26 UTC (07 10:05:39 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-clang_17 |
| timestamp |
2026-03-03 10:08:16 UTC (07 10:05:50 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-gcc_13.1 |
| timestamp |
2026-03-03 10:08:11 UTC (07 10:05:54 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-freebsd14.1 |
| tgt config |
freebsd_14-clang_18-static_O3 |
| timestamp |
2026-03-03 10:07:55 UTC (07 10:06:10 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18-O3 |
| timestamp |
2026-03-03 10:07:47 UTC (07 10:06:19 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-clang_17_libc++ |
| timestamp |
2026-03-03 10:07:45 UTC (07 10:06:21 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18_libc++-O3 |
| timestamp |
2026-03-03 10:07:03 UTC (07 10:07:02 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18 |
| timestamp |
2026-03-03 10:06:36 UTC (07 10:07:29 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18_libc++ |
| timestamp |
2026-03-03 10:06:18 UTC (07 10:07:47 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_13 |
| timestamp |
2026-03-03 10:01:53 UTC (07 10:12:12 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_fedora_40-gcc_14-bindist |
| timestamp |
2026-03-02 10:19:08 UTC (08 09:54:57 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-microsoft-win32-msvc14.3 |
| tgt config |
windows_10-msvc_17.8-static_O2 |
| timestamp |
2026-02-15 10:38:49 UTC (23 09:35:16 days ago) |
| result |
warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-microsoft-win32-msvc14.3 |
| tgt config |
windows_10-msvc_17.8-O2 |
| timestamp |
2026-02-15 10:38:35 UTC (23 09:35:31 days ago) |
| result |
warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-microsoft-win32-msvc14.3 |
| tgt config |
windows_10-msvc_17.8 |
| timestamp |
2026-02-15 10:37:58 UTC (23 09:36:08 days ago) |
| result |
warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-microsoft-win32-msvc14.3 |
| tgt config |
windows_10-clang_17_msvc_msvc_17.10 |
| timestamp |
2026-02-15 10:36:12 UTC (23 09:37:53 days ago) |
| result |
warning (update) | warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_17_libc++ |
| timestamp |
2026-02-15 10:06:04 UTC (23 10:08:01 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_17 |
| timestamp |
2026-02-15 10:05:32 UTC (23 10:08:34 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-clang_18 |
| result |
unbuilt |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-clang_18-O3 |
| result |
unbuilt |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-clang_18-static_O3 |
| result |
unbuilt |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-clang_18_libc++ |
| result |
unbuilt |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-clang_18_libc++-O3 |
| result |
unbuilt |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-clang_18_libc++-static_O3 |
| result |
unbuilt |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_fedora_39-gcc_13-bindist |
| result |
unbuilt |
| toolchain |
public-0.17.0 |
| target |
x86_64-apple-darwin22.5.0 |
| tgt config |
macos_13-clang_15.0 |
| result |
unbuilt |
| toolchain |
public-0.17.0 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-clang_15.0 |
| result |
unbuilt |
| toolchain |
public-0.17.0 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-clang_15.0-O3 |
| result |
unbuilt |
| toolchain |
public-0.17.0 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-clang_15.0-static_O3 |
| result |
unbuilt |
| toolchain |
public-0.17.0 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-gcc_14_homebrew |
| result |
unbuilt |
| toolchain |
public-0.17.0 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-gcc_14_homebrew-O3 |
| result |
unbuilt |
| toolchain |
public-0.17.0 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-gcc_14_homebrew-static_O3 |
| result |
unbuilt |