mirror of
https://github.com/pocketpy/pocketpy
synced 2025-10-25 22:10:17 +00:00
61 lines
2.2 KiB
Markdown
61 lines
2.2 KiB
Markdown
# Changes for version 2.4.1
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## API Changes
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- Extended distance joint to have a minimum and maximum limit.
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- Removed rope joint. Use the distance joint instead.
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- B2_USER_SETTINGS and b2_user_settings.h can control user data, length units, and maximum polygon vertices.
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- Default user data is now uintptr_t instead of void*
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- b2FixtureDef::restitutionThreshold lets you set the restitution velocity threshold per fixture.
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## BREAKING Changes
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- BREAKING: distance joint 0 stiffness now means the spring is turned off rather than making the joint rigid.
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- BREAKING: distance joint minimum and maximum must be set correctly to get old behavior.
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## Infrastructure
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- Library installation function available in CMake.
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- Shared library (DLL) option available.
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- Bug fixes
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# Changes for version 2.4.0
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## Infrastructure
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- Documentation in Doxygen format
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- CMake build system
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- Unit test support
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- Continuous integration testing using Travis CI
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- Limited use of C++11 (nullptr and override)
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- Restructured folders and renamed files to better match open-source standards
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- MIT License
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- Removed float32 and float64
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- Linked the Box2D project to GitHub Sponsors
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## Collision
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- Chain and edge shape must now be one-sided to eliminate ghost collisions
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- Broad-phase optimizations
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- Added b2ShapeCast for linear shape casting
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## Dynamics
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- Joint limits are now predictive and not stateful
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- Experimental 2D cloth (rope)
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- b2Body::SetActive -> b2Body::SetEnabled
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- Better support for running multiple worlds
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- Handle zero density better
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- The body behaves like a static body
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- The body is drawn with a red color
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- Added translation limit to wheel joint
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- World dump now writes to box2d_dump.inl
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- Static bodies are never awake
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- All joints with spring-dampers now use stiffness and damping
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- Added utility functions to convert frequency and damping ratio to stiffness and damping
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## Testbed
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- Testbed uses dear imgui
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- glad OpenGL loader
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- OpenGL 3.3 required
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# Changes for version 2.3.0
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- Polygon creation now computes the convex hull. Vertices no longer need to be ordered.
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- The convex hull code will merge vertices closer than dm_linearSlop. This may lead to failure on very small polygons.
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- Added b2MotorJoint.
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- Bug fixes.
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