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box2d: add upgrade candidate
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‎box2d/DESCR‎

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Box2D is a 2D physics engine for games. It features:
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Collision
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Continuous collision detection
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Contact callbacks: begin, end, pre-solve, post-solve
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Convex polygons and circles
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Multiple shapes per body
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One-shot contact manifolds
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Dynamic tree broadphase
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Efficient pair management
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Fast broadphase AABB queries
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Collision groups and categories
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Physics
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Continuous physics with time of impact solver
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Persistent body-joint-contact graph
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Island solution and sleep management
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Contact, friction, and restitution
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Stable stacking with a linear-time solver
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Revolute, prismatic, distance, pulley, gear, mouse joint,
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and other joint types
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Joint limits, motors, and friction
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Momentum decoupled position correction
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Fairly accurate reaction forces/impulses

‎box2d/Makefile‎

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# $NetBSD: Makefile,v 1.5 2024/08/25 06:18:49 wiz Exp $
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DISTNAME= box2d-3.1.1
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CATEGORIES= graphics
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MASTER_SITES= ${MASTER_SITE_GITHUB:=erincatto/}
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GITHUB_TAG= v${PKGVERSION_NOREV}
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MAINTAINER= ryoon@NetBSD.org
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HOMEPAGE= https://github.com/erincatto/box2d/
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COMMENT= 2D physics engine for games
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LICENSE= mit
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USE_LANGUAGES= c c++
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CMAKE_CONFIGURE_ARGS+= -DBOX2D_BUILD_UNIT_TESTS=OFF
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CMAKE_CONFIGURE_ARGS+= -DBOX2D_BUILD_TESTBED=OFF
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CMAKE_CONFIGURE_ARGS+= -DBOX2D_SAMPLES=OFF
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CMAKE_CONFIGURE_ARGS+= -DBUILD_SHARED_LIBS=ON
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.include "../../devel/cmake/build.mk"
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.include "../../x11/libX11/buildlink3.mk"
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.include "../../x11/libXcursor/buildlink3.mk"
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.include "../../x11/libXi/buildlink3.mk"
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.include "../../x11/libXinerama/buildlink3.mk"
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.include "../../x11/libXrandr/buildlink3.mk"
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.include "../../mk/bsd.pkg.mk"

‎box2d/PLIST‎

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@comment $NetBSD$
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include/box2d/base.h
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include/box2d/box2d.h
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include/box2d/collision.h
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include/box2d/id.h
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include/box2d/math_functions.h
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include/box2d/types.h
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lib/cmake/box2d/box2dConfig-noconfig.cmake
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lib/cmake/box2d/box2dConfig.cmake
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lib/cmake/box2d/box2dConfigVersion.cmake
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lib/libbox2d.so
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lib/libbox2d.so.3
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lib/libbox2d.so.${PKGVERSION}

‎box2d/buildlink3.mk‎

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# $NetBSD: buildlink3.mk,v 1.1 2021/02/06 06:41:33 ryoon Exp $
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BUILDLINK_TREE+= box2d
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.if !defined(BOX2D_BUILDLINK3_MK)
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BOX2D_BUILDLINK3_MK:=
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BUILDLINK_API_DEPENDS.box2d+= box2d>=2.4.1
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BUILDLINK_PKGSRCDIR.box2d?= ../../graphics/box2d
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.endif # BOX2D_BUILDLINK3_MK
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BUILDLINK_TREE+= -box2d

‎box2d/distinfo‎

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$NetBSD: distinfo,v 1.4 2024/08/11 06:39:04 wiz Exp $
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BLAKE2s (box2d-3.1.1.tar.gz) = ed7b5f74ba923d6999c1c545c11eadb45023d990a4233edebf603b8321fd9dfd
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SHA512 (box2d-3.1.1.tar.gz) = 7367640e7f2ff395b8ca48766c71f57c96e08c298627c996eba76899a149ee28b0e3ecacfa4a224fdb5d160c7e25c6069bb8414fd1575787727d796097aa347b
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Size (box2d-3.1.1.tar.gz) = 780115 bytes

‎box2d/log‎

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# v3.1 Release Notes
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## API Changes
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- 64-bit filter categories and masks
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- 64-bit dynamic tree user data
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- Renamed `b2SmoothSegment` to `b2ChainSegment`
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- Cast and overlap functions modified for argument consistency
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- Contact begin events now provide the manifold
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- More consistent functions to make polygons
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- Contact events are now disabled by default
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- Replaced `b2Timer` with `uint64_t`
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- Shape material properties now use `b2SurfaceMaterial`
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## New Features
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- New character mover features and sample
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- Revised sensor system is now independent of body type and sleep
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- Rolling resistance and tangent speed
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- Friction and restitution mixing callbacks
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- World explosions
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- World access to the maximum linear speed
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- More control over body mass updates
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- Filter joint to disable collision between specific bodies
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- Bodies can now have names for debugging
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- Added `b2Body_SetTargetTransform` for kinematic bodies
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## Improvements
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- Cross-platform determinism
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- Custom SSE2 and Neon for significantly improved performance
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- SSE2 is the default instead of AVX2
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- Removed SIMDE library dependency
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- Faster ray and shape casts
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- Faster continuous collision
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- Each segment of a chain shape may have a different surface material
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- Reduced overhead of restitution when not used
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- Implemented atomic platform wrappers eliminating the `experimental:c11atomics` flag
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## Bugs Fixes
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- Many bug fixes based on user testing
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- Fixed missing hit events
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- Capsule and polygon manifold fixes
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- Fixed missing contact end events
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- PreSolve is now called in continuous collision
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- Reduced clipping into chain shapes by fast bodies
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- Friction and restitution are now remixed in the contact solver every time step
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- Body move events are now correctly adjusted for time of impact
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## Infrastructure
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- Unit test for API coverage
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- macOS and Windows samples built in GitHub actions
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- CMake install
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- imgui and glfw versions are now pinned in FetchContent
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- Initial Emscripten support

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