18.6.0

• bugfix: PhysicsCharacter disregards ignore lists
• Deprecated the PhysicsSpace.countCollisionListeners() method.
• Optimized PhysicsSpace.onContactProcessed() and onContactStarted() to create event objects only when listeners are registered.
• Added 3 math methods:
  • FastMath.atan()
  • MyMath.log2()
  • MyMath.maxInt()
• Updated the Bullet source code to match SHA1 ID=6bb8d112 of the bullet3 project.
• Build MacOSX_ARM64 natives for release using Xcode 14.2 .

18.5.2

• Added a MyMath.clamp() method with int arguments.
• Exposed the IndexBuffer wrap constructor to subclasses.
• Modified MinkowskiSum.createShape() to avoid generating a warning message.

18.4.0

• Added support for btMinkowskiSumShape via new class MinkowskiSum.
• Added the protected nativeMargin() method to the CollisionShape class.
• Changed the return type of the getBaseShape() method in the Convex2dShape class.

18.3.0

• Bugfix: MyQuaternion.isRotationIdentity() accepts NaNs
• New capability to dump physics objects for debug purposes, which entailed addition of the following classes/methods from Heart/Minie:
  • Describer
  • Dumper
  • DumpFlags
  • MyBuffer.frequency()
  • MyPco
  • MyQuaternion.describe()
  • MyString.axisName()
  • MyString.describe()
  • MyString.describeFraction()
  • MyString.describeMatrix()
  • MyVector3f.describe()
  • MyVector3f.describeDirection()
  • PhysicsDescriber
  • PhysicsDumper
• Better 3-D rotations and transformations by adding 5 methods from Heart:
  • MyQuaternion.rotate()
  • MyQuaternion.rotateInverse()
  • MyMath.combine()
  • MyMath.transform()
  • MyMath.transformInverse()
• Deprecated the corresponding math methods:
  • Quaternion.multLocal(Vector3f)
  • Quaternion.mult(Vector3f, Vector3f)
  • Transform.combineWithParent()
  • Transform.transformInverseVector()
  • Transform.transformVector()
• Other methods added:
  • GImpactCollisionShape.countMeshTriangles()
  • Transform.setScale(Vector3f)
  • Validate.standardAngle()

18.2.1

• Bugfix: the gravity of a rigid body is altered by a rebuild
• Integrated bulletphysics/bullet3#4413
• Integrated bulletphysics/bullet3#4462
• Allow zero-mass kinematic rigid bodies.
• Added the applyAllExceptIgnoreListTo() method to the RigidBodySnapshot class.

18.1.0

• Bugfix: ignored collision objects get garbage-collected prematurely
• Added the isForceUpdateAllAabbs() and setForceUpdateAllAabbs() methods to the CollisionSpace class, to provide an (optional) optimization.
• Added the listIgnoredPcos() and setIgnoreList(PhysicsCollisionObject[]) methods to the PhysicsCollisionObject class and deprecated the listIgnoredIds() and setIgnoreList(long[]) methods.
• Deprecated the isFinite(Vec3d) method in the MyMath class.
• Added various checks, including a few for the threading model.

18.0.0

• Renamed 6 methods in the Java-native interface, to avoid underscores:
  • CollisionSpace.notifyCollisionGroupListeners_native()
  • CollisionSpace.rayTest_native()
  • CollisionSpace.sweepTest_native()
  • PhysicsGhostObject.addOverlappingObject_native()
  • PhysicsSpace.postTick_native()
  • PhysicsSpace.preTick_native()
• Changed the Java API:
  • Added a static qualifier to the listPointIds() method in the PersistentManifolds class.
  • Privatized the getCollisionFlags() method in the PhysicsCollisionObject class.
• Bugfix: jmeCollisionSpace::m_pEnv gets modified during callbacks
• Publicized another constructor of the IndexedMesh class.

17.5.4

• Build MacOSX_ARM64 natives for release using Xcode 12.3 .
• Build MacOSX64 natives for release using Xcode 9.4.1 .

17.5.2

NOTE: something is wrong with the MacOS native libraries for this release. Use the 17.5.4 release instead.

• Bugfix: PhysicsCollisionObject.findInstance() creates a weak global reference that's never deleted.
• Bugfix: weak global references in PhysicsCollisionObject and MultiBody are never deleted.
• Bugfix: assertion failure when toString() is invoked on an unassigned joint
• Added 5 new methods:
  • CollisionSpace.jniEnvId()
  • CompoundCollisionShape.connectivityMatrix()
  • CompoundCollisionShape.countGroups()
  • NativeLibrary.jniEnvId()
  • New6Dof.getRotationMatrix()
• Build Windows natives for release using Visual Studio 2022 .
• Build 64-bit MacOSX natives for release using Xcode 14.2 .
• Throw Java exceptions (instead of crashing the JVM with btAssert()) in the JNI glue code.
• Improved handling of Java exceptions in the JNI glue code.

17.4.0

• Bugfix: transforms not updated for the getCalculatedOriginA() and getCalculatedOriginB() methods in the New6Dof class
• Bugfix: Quatd.isRotationIdentity() accepts NaNs
• Bugfix: toString() fails for an unassigned PhysicsCollisionObject
• Bugfix: PhysicsCollisionObject.copyPcoProperties() results in different collision flags
• Added 4 new methods:
  • New6Dof.calculatedBasisA()
  • New6Dof.calculatedBasisB()
  • PhysicsCollisionObject.collisionFlags()
  • Vec3d.isFinite()
• Reduced the likelihood of hash collisions in Matrix3d.
• Made the result of PhysicsCollisionObject.toString() more concise.