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-0.18.1 |
| target |
x86_64-microsoft-win32-msvc14.5 |
| tgt config |
windows_10-msvc_18-static_O2 |
| timestamp |
2026-08-07 11:23:07 UTC (09:07:41 hours ago) |
| result |
warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-microsoft-win32-msvc14.5 |
| tgt config |
windows_10-msvc_18-O2 |
| timestamp |
2026-08-07 11:22:13 UTC (09:08:35 hours ago) |
| result |
warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-microsoft-win32-msvc14.5 |
| tgt config |
windows_10-msvc_18 |
| timestamp |
2026-08-07 11:21:17 UTC (09:09:31 hours ago) |
| result |
warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-microsoft-win32-msvc14.5 |
| tgt config |
windows_10-clang_21_msvc_18-static_O2 |
| timestamp |
2026-08-07 10:25:22 UTC (10:05:26 hours ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-microsoft-win32-msvc14.5 |
| tgt config |
windows_10-clang_21_msvc_18-O2 |
| timestamp |
2026-08-07 10:25:19 UTC (10:05:29 hours ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-microsoft-win32-msvc14.5 |
| tgt config |
windows_10-clang_21_msvc_18 |
| timestamp |
2026-08-07 10:25:05 UTC (10:05:43 hours ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-microsoft-win32-msvc14.3 |
| tgt config |
windows_10-msvc_17 |
| timestamp |
2026-08-07 10:20:02 UTC (10:10:46 hours ago) |
| result |
warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-w64-mingw32 |
| tgt config |
windows_10-gcc_15.2_mingw_w64-O2 |
| timestamp |
2026-08-04 12:33:01 UTC (03 07:57:47 days ago) |
| result |
warning (update) | warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-w64-mingw32 |
| tgt config |
windows_10-gcc_15.2_mingw_w64-static_O2 |
| timestamp |
2026-08-04 12:32:27 UTC (03 07:58:21 days ago) |
| result |
warning (update) | warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-w64-mingw32 |
| tgt config |
windows_10-gcc_15.2_mingw_w64 |
| timestamp |
2026-08-04 12:31:56 UTC (03 07:58:52 days ago) |
| result |
warning (update) | warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_ubuntu_26.04-gcc_15-bindist |
| timestamp |
2026-08-04 10:35:32 UTC (03 09:55:16 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_fedora_44-gcc_16-bindist |
| timestamp |
2026-08-01 10:05:45 UTC (06 10:25:03 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-clang_15.0-static_O3 |
| timestamp |
2026-07-31 13:39:46 UTC (07 06:51:02 days ago) |
| result |
warning (update) | warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-clang_15.0-O3 |
| timestamp |
2026-07-31 13:38:57 UTC (07 06:51:51 days ago) |
| result |
warning (update) | warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-clang_15.0 |
| timestamp |
2026-07-31 13:38:05 UTC (07 06:52:43 days ago) |
| result |
warning (update) | warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-apple-darwin22.5.0 |
| tgt config |
macos_13-clang_15.0 |
| timestamp |
2026-07-28 13:25:37 UTC (10 07:05:11 days ago) |
| result |
warning (update) | warning (test) | warning (test-installed) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-gcc_14_homebrew-static_O3 |
| timestamp |
2026-07-28 10:08:53 UTC (10 10:21:55 days ago) |
| result |
error (configure) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-gcc_14_homebrew-O3 |
| timestamp |
2026-07-28 10:08:08 UTC (10 10:22:40 days ago) |
| result |
error (configure) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18_libc++-static_O3 |
| timestamp |
2026-07-28 10:06:38 UTC (10 10:24:10 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-gcc_14_homebrew |
| timestamp |
2026-07-28 10:06:35 UTC (10 10:24:13 days ago) |
| result |
error (configure) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-clang_22_libc++-static_O3 |
| timestamp |
2026-07-28 10:06:05 UTC (10 10:24:43 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18_libc++-O3 |
| timestamp |
2026-07-28 10:06:02 UTC (10 10:24:46 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-clang_22_libc++-O3 |
| timestamp |
2026-07-28 10:06:01 UTC (10 10:24:47 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18-static_O3 |
| timestamp |
2026-07-28 10:05:33 UTC (10 10:25:15 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18_libc++ |
| timestamp |
2026-07-28 10:05:27 UTC (10 10:25:21 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-clang_22-static_O3 |
| timestamp |
2026-07-28 10:05:27 UTC (10 10:25:21 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-clang_22_libc++ |
| timestamp |
2026-07-28 10:05:12 UTC (10 10:25:36 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18-O3 |
| timestamp |
2026-07-28 10:04:55 UTC (10 10:25:53 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-clang_22-O3 |
| timestamp |
2026-07-28 10:04:52 UTC (10 10:25:56 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18 |
| timestamp |
2026-07-28 10:04:52 UTC (10 10:25:56 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-gcc_16-static_O3 |
| timestamp |
2026-07-28 10:04:37 UTC (10 10:26:11 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-gcc_14-bindist |
| timestamp |
2026-07-28 10:04:28 UTC (10 10:26:20 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-gcc_16-ndebug_O3 |
| timestamp |
2026-07-28 10:04:25 UTC (10 10:26:23 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-clang_22 |
| timestamp |
2026-07-28 10:04:17 UTC (10 10:26:31 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_fedora_43-gcc_15-bindist |
| timestamp |
2026-07-28 10:04:10 UTC (10 10:26:38 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-clang_21_libc++ |
| timestamp |
2026-07-28 10:04:00 UTC (10 10:26:48 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-gcc_16-O3 |
| timestamp |
2026-07-28 10:03:59 UTC (10 10:26:49 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-freebsd15.0 |
| tgt config |
freebsd_15-clang_19-static_O3 |
| timestamp |
2026-07-28 10:03:45 UTC (10 10:27:03 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-gcc_15-O3 |
| timestamp |
2026-07-28 10:03:43 UTC (10 10:27:05 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-gcc_16 |
| timestamp |
2026-07-28 10:03:37 UTC (10 10:27:11 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-freebsd15.0 |
| tgt config |
freebsd_15-clang_19-O3 |
| timestamp |
2026-07-28 10:03:35 UTC (10 10:27:13 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_ubuntu_24.04-gcc_13-bindist |
| timestamp |
2026-07-28 10:03:29 UTC (10 10:27:19 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-gcc_15 |
| timestamp |
2026-07-28 10:03:25 UTC (10 10:27:23 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-freebsd15.0 |
| tgt config |
freebsd_15-clang_19 |
| timestamp |
2026-07-28 10:03:13 UTC (10 10:27:35 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-freebsd14.1 |
| tgt config |
freebsd_14-clang_18 |
| timestamp |
2026-07-28 10:03:12 UTC (10 10:27:36 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-clang_21 |
| timestamp |
2026-07-28 10:03:04 UTC (10 10:27:44 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14-static_O3 |
| timestamp |
2026-07-27 10:05:35 UTC (11 10:25:13 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14-ndebug_O3 |
| timestamp |
2026-07-27 10:05:01 UTC (11 10:25:47 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14-O3 |
| timestamp |
2026-07-27 10:04:39 UTC (11 10:26:09 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14 |
| timestamp |
2026-07-27 10:04:28 UTC (11 10:26:20 days ago) |
| result |
warning (update) | error (test) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_13 |
| timestamp |
2026-07-26 10:06:57 UTC (12 10:23:51 days ago) |
| result |
warning (update) | error (test) | log | rebuild |