8.1.0

• Bugfix: JVM crash while serializing BoundingValueHierarchy (issue #41)

• Bugfix: crash in processAllTriangles() when m_bvh==NULL (issue #43)

• Bugfix: wrong inertia for a CustomConvexShape when mass != 1

• Changed the default setting for collision-shape contact filtering (from enabled to disabled) to address issue #40. This change may cause unwanted behavior for rigid bodies in contact with a gimpact, heightfield, or mesh shape; see issue #18 for details.

• Started regenerating the bounding-value hierarchy if it was serialized with a different floating-point precision.

• Bugfix: the RK4 flag of a MultiBody isn't de-serialized

• Added 2 convex collision shapes:

  • ConicalFrustum
  • SphericalSegment

• Made BVH serialization optional:

  • MeshCollisionShape.isSerializingBvh()
  • MeshCollisionShape.setSerializingBvh()

• Added a setting to visualize the collision margins of concave shapes.

• Added the new CollisionConfiguration class and related methods, to configure penetration depth solvers:

  • BulletAppState.getCollisionConfiguration()
  • BulletAppState.setCollisionConfiguration()
  • CollisionSpace.getConfiguration()
  • PhysicsDescriber.describe(CollisionConfiguration)
  • a 5-argument CollisionSpace constructor
  • a 4-argument PhysicsSoftSpace constructor
  • a pair of 5-argument PhysicsSpace constructors

• Added 14 accessors for the native user indices of CollisionShape, MultiBody, and PhysicsCollisionObject.

• Added 20 other public methods:

  • BoundingValueHierarchy.copyAabb()
  • BoundingValueHierarchy.copyQuantization()
  • BoundingValueHierarchy.countLeafNodes()
  • BoundingValueHierarchy.countNodes()
  • BoundingValueHierarchy.countSubtreeHeaders()
  • BoundingValueHierarchy.escapeIndex()
  • BoundingValueHierarchy.isCompressed()
  • BoundingValueHierarchy.isLeafNode()
  • BoundingValueHierarchy.partId()
  • BoundingValueHierarchy.setTraversalMode()
  • BoundingValueHierarchy.traversalMode()
  • BoundingValueHierarchy.triangleIndex()
  • GImpactCollisionShape.countSubmeshes()
  • GImpactCollisionShape.getSubmesh()
  • HeightfieldCollisionShape.countColumns()
  • HeightfieldCollisionShape.countRows()
  • HeightfieldCollisionShape.upAxis()
  • MeshCollisionShape.countSubmeshes()
  • MeshCollisionShape.getBvh()
  • MeshCollisionShape.getSubmesh()

• Enhancements to the MinieExamples subproject:

  • Added 2 test apps:
    • TestIssue40
    • TestIssue41
  • Added 3 custom collision shapes:
    • CustomLemon
    • CustomParaboloid
    • CustomSegment
  • Added more options to the ShapeGenerator class and also to the DropTest and SplitDemo apps.
  • Started displaying the number of persistent manifolds in the DropTest app.
  • Reduced the CCD motion threshold in the DropTest app.
  • Added getters for the dimensions of custom collision shapes.
  • Made 4 custom collision shapes more scalable.
  • Added margin to the radii of custom collision shapes.

• Updated dependencies: v3.0.1 of the jme-ttf library and v20.13.0 of Node.js .

• Built using Gradle v8.7 .

• Updated the native libraries to v21.2.1 of Libbulletjme.

• Updated VHACD v4 to version 4.1 .

8.0.0

• Deleted 9 public methods that had previously been deprecated: (API changes)

  • CollisionShape.getObjectId()
  • CollisionSpace.getSpaceId()
  • PhysicsCollisionObject.getObjectId()
  • PhysicsCollisionObject.listIgnoredIds()
  • PhysicsCollisionObject.setIgnoreList()
  • PhysicsJoint.getObjectId()
  • RigidBodyMotionState.getObjectId()
  • RotationalLimitMotor.getMotor()
  • TranslationalLimitMotor.getMotor()

• Privatized the setIgnoreCollisionCheck() method in the PhysicsCollisionObject class. (API change)

• Added the capability to define custom collision shapes using JVM code:

  • Added the (abstract) CustomConvexShape class.
  • Modified PhysicsDescriber to recognize custom shapes.

• Bugfix: CharacterController.onGround() returns false positives after stepping (not jumping) off a cliff

• Added runtime checks to MeshCollisionShape for meshes that are too complex.

• The "+big3" build flavor was replaced with "+big4" that includes native binaries for MacOSX_ARM64.

• Changed how meshes for debug visualization are generated:

  • Added an IndexedMesh constructor to efficiently generate visualization meshes for collision shapes.
  • Replaced DebugMeshCallback with IndexedMesh in DebugShapeFactory.
  • Deprecated the DebugMeshCallback class.

• Added 10 new public methods:

  • BetterCharacterControl.getInitialHeight()
  • BetterCharacterControl.getInitialRadius()
  • CompoundMesh.countSubmeshes()
  • CompoundMesh.getSubmesh()
  • IndexedMesh.copyTriangles()
  • IndexedMesh.distinctVertices()
  • IndexedMesh.footprint()
  • IndexedMesh.maxDistance()
  • IndexedMesh.surfaceArea()
  • IndexedMesh.volumeConvex()

• Updated to depend on v9.0.0 of the Heart library.

• Updated the native libraries to v20.1.0 of Libbulletjme.

7.8.1

• Bugfix: BVH algorithm fails
• Updated the native libraries to v18.6.1 of Libbulletjme.

7.8.0

• Bugfix: PhysicsCharacter disregards ignore lists
• Bugfix: makeMergedMesh() uses the JME_PHYSICSIGNORE tag differently from other methods in CollisionShapeFactory
• Added the ContactManager interface and split off the DefaultContactManager class the from the PhysicsSpace class.
• Optimized PhysicsSpace to instantiate collision events only when a corresponding listener is registered.
• Added a 4-argument addContactListener() method to the PhysicsSpace class.
• Based on v8.8.0 of the Heart library.
• Updated the native libraries to v18.6.0 of Libbulletjme.

7.7.0

• Fixed bugs:
  • NullPointerException after rebuilding a DynamicAnimControl
  • unhelpful warnings while cloning a PhysicsRigidBody
• Added to the library:
  • the MinkowskiSum collision shape
  • the ClassFilter class, for filtering physics objects
• Specified a more precise return type for Convex2dShape.getBaseShape()
• DynamicAnimControl now logs a warning if armature scaling exceeds 1%.
• Based on v3.6.1-stable of JMonkeyEngine and v8.7.0 of the Heart library.
• Updated the native libraries to v18.5.2 of Libbulletjme.

7.6.0

• Bugfix: the gravity of a rigid body isn't read/written/cloned
• Bugfix: ignore lists are never cloned for non-joined collision objects
• Bugfix: IllegalStateException in DropTest while creating a ragdoll
• Allow zero-mass kinematic rigid bodies.
• Added the "addLinksForTris" parameter to SoftBodyControl.
• Based on v8.6.0 of the Heart library.
• Updated the native libraries to v18.3.0 of Libbulletjme.

7.5.0

• Bugfix: during cloning, Bullet's ignore list gets out-of-synch with the JVM list
• Added the applyAllExceptIgnoreListTo() method to the RigidBodySnapshot class.
• Made private fields static in the tutorial apps.
• Built using Gradle v8.1.0 .

7.4.0

• Fixed bugs:
  • BetterCharacterControl oscillates while unducking near an overhang
  • BetterCharacterController.isOnGround() is unreliable
  • TestIssue18Heightfield application throws an IllegalArgumentException
  • excessive logging from the TestIssue13 application
• Implemented kinematic modes for BetterCharacterControl and JoinedBodyControl.
• Deprecated 7 library methods for obtaining native IDs:
  • CollisionShape.getObjectId()
  • CollisionSpace.getSpaceId()
  • PhysicsCollisionObject.getObjectId()
  • PhysicsJoint.getObjectId()
  • RigidBodyMotionState.getObjectId()
  • RotationalLimitMotor.getMotor()
  • TranslationalLimitMotor.getMotor()
• Based on:
  • v3.6.0-stable of JMonkeyEngine,
  • v3.0.0 of the jME-TTF library,
  • v8.3.2 of the Heart library,
  • v1.0.0 of the Acorus library,
  • v0.7.5 of the Wes library, and
  • v0.9.35 of the jme3-utilities-nifty library.

7.3.0+for36

• Fixed bugs:
  • ignored collision objects may be garbage-collected prematurely
  • adding a DynamicAnimControl to a spatial resets its armature
  • PhysicsCollisionObject.cloneIgnoreList() throws a NullPointerException
  • BetterCharacterControl.setPhysicsLocation() never updates the field
  • tasks passed to PhysicsSpace.enqueueOnThisThread() never execute
• Added the JointedBodyControl class.
• Added 7 methods to the library:
  • CollisionSpace.isForceUpdateAllAabbs()
  • CollisionSpace.setForceUpdateAllAabbs()
  • DynamicAnimControl.blendToKinematicMode(KinematicSubmode, float, Transform)
  • DynamicAnimControl.saveCurrentPose()
  • DynamicAnimControl.setKinematicMode(KinematicSubmode)
  • PhysicsCollisionObject.listIgnoredPcos()
  • PhysicsCollisionObject.setIgnoreList(PhysicsCollisionObject[])
• Added the "reset" kinematic submode to DynamicAnimControl.
• Publicized 3 library methods:
  • a constructor for the IndexedMesh class
  • DacLinks.getTransformer()
  • RagUtils.findMainJoint()
• Deprecated 2 library methods:
  • PhysicsCollisionObject.listIgnoredIds()
  • PhysicsCollisionObject.setIgnoreList(long[])
• Added some runtime checks and strengthened others.
• Based on:
  • v3.6.0-beta3 of JMonkeyEngine,
  • v1.6.0 of the SimMath library, and
  • v8.3.1+for36 of the Heart library.
• Updated the native libraries to v18.1.0 of Libbulletjme.

7.2.0

• Bugfix: PhysicsCollisionObject.findInstance() creates a weak global reference that's never deleted
• Bugfix: DynamicAnimControl.totalMass() returns NaN even when the control is added to a Spatial
• Bugfix: weak global references in PhysicsCollisionObject and MultiBody are never deleted
• Added 2 new methods:
  • CollisionSpace.jniEnvId()
  • NativeLibrary.jniEnvId()
• Updated the native libraries to v17.5.4 of Libbulletjme.