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Author SHA1 Message Date
erwin.coumans 214579ec60 Allow btBulletWorldImporter to convert/export a .bullet file to XML 
Add first version of btBulletXmlWorldImporter, still incomplete but it can read some files
Fix false assert in btSequentialImpulseConstraintSolver
 2012-09-21 22:47:11 +00:00
erwin.coumans 7494463be8 reset the companion Id back to -1, because of a bug related to kinematic objects 
Thanks to Francois for the report. See Issue 652
 2012-09-20 11:32:27 +00:00
erwin.coumans 5bba00dea4 improve control over rolling friction, use the same m_rollingFriction for both linear factor and absolute clamping value. 2012-09-20 04:18:29 +00:00
erwin.coumans 59a29b1859 fix kinematic objects, see Issue 652 
add m_rollingFriction to btRigidBody::btRigidBodyConstructionInfo
 2012-09-20 03:32:52 +00:00
erwin.coumans 19583868a9 fix AllBulletDemosOSX, 16-byte alignment and Xcode project 2012-09-17 17:02:33 +00:00
erwin.coumans a76e38eff0 fix link order so that the premake build works under Linux 2012-09-17 16:55:47 +00:00
erwin.coumans 8be5172df5 fix issue in the recent SSE implementation of setInterpolate3 
align class
 2012-09-17 16:03:47 +00:00
erwin.coumans 90643bec75 fix problem with btCylinderShape creation in RollingFrictionDemo 2012-09-16 19:26:27 +00:00
erwin.coumans 4934ce61fa tweak rolling friction in RaytestDemo 2012-09-16 17:23:39 +00:00
erwin.coumans 22fb7d5c1e improve rolling friction using anisotropic direction, to avoid resting in an instable position 
(for implicit capsule, cylinder and cone shape)
See Bullet/Demos/RollingFrictionDemo for an example
 2012-09-16 17:01:25 +00:00
erwin.coumans 26c713423f add RollingFrictionDemo 2012-09-15 07:03:23 +00:00
erwin.coumans 7eebb79ced implemented rolling friction, using a contact constraint. Useful to get rolling spheres to rest, even on a slightly sloped plane. 
See http://www.youtube.com/watch?v=RV7sBAsKu4M and Bullet/Demos/RollingFrictionDemo
Fixes in FractureDemo (mouse picking constraint needs to be removed, otherwise constraint solver crashes/asserts)
 2012-09-15 06:52:17 +00:00
erwin.coumans 54744b6ab9 added gyroscopic force option for btRigidBody, body->setFlags(BT_ENABLE_GYROPSCOPIC_FORCE); 
Note that it can easily introduce instability at regular (60Hertz) simulation steps so it is generally best to not use the option.
If needed, use a very small internal step, such as 1000 Hertz (world->stepSimulation(dt,100,1./1000.f); or stepSimulation(1./1000.,0);
 2012-09-14 21:39:48 +00:00
erwin.coumans 3e9f35c0fd Add btGearConstraint, with a demo in Bullet/Demos/ConstraintDemo 
Thanks to Dimitris Papavasiliou for the idea.
 2012-09-13 22:40:39 +00:00
erwin.coumans 2dfde77bac delete some unused projects 2012-09-13 00:25:44 +00:00
erwin.coumans 47cae15fe5 add missing file in AllBulletDemosOSX 
fix RaytestDemo CMakeLists.txt
 2012-09-13 00:14:30 +00:00
erwin.coumans 737a2829bb remove rigid body gpu pipeline, the latest version is at https://github.com/erwincoumans/experiments 2012-09-13 00:07:58 +00:00
erwin.coumans c2f9d927c2 fix ray test kF_FilterBackfaces and kF_KeepUnflippedNormal flags 
add Demos/RaytestDemo to show/test rayTest
fix premake batch files
 2012-09-12 23:19:05 +00:00
erwin.coumans 73082e995c enable AMD OpenCL sdk for linux too 
Fixes Issue 641
 2012-09-12 16:42:03 +00:00
erwin.coumans 9a460942a9 register the gimpact collision algoritm in the SerializeDemo by default 2012-09-11 22:28:41 +00:00
erwin.coumans 2871a3d30f enable import/deserialization of optimizedBvh data in a .bullet file 2012-09-11 19:59:00 +00:00
erwin.coumans 4eb5240cbe Applied patch for character controller by bjorn.wesen. Fixes Issue 644. 
Fixed some warnings in double-precision compile
 2012-09-11 04:36:57 +00:00
erwin.coumans d99d9779a2 cast to char to avoid C++11 issue 
Fixes Issue 716.
 2012-09-11 03:58:11 +00:00
erwin.coumans 1b7642f0f5 Prepare for 2.81 release, increase version numbers 
Fixed DNA serialization for C++11: avoid negative char values
Fixes 617. (needs to be tested)
 2012-09-11 03:49:50 +00:00
erwin.coumans 8c56528a79 Avoid using restitution for ccd motion clamping. Restitution for fast moving objects should be handled by btDiscreteDynamicsWorld::createPredictiveContacts 
(make sure to merge islands based on those predictive contacts too, added some check in the solver)
This fixes Issue 356.
Use same solver settings for AllBulletDemos
Make sure to embed the setCcdSweptSphereRadius inside the actual collision shape (for shoot box)
 2012-09-11 03:12:32 +00:00
erwin.coumans 9612561113 add btDiscreteDynamicsWorld::createPredictiveContacts after discrete collision detection and add temporary contact manifolds, for the constraint solver. 
This should improve 'ccd' handling when using world->getDispatchInfo().m_useContinuous = true;body->setCcdSquareMotionThreshold(...); body->setCcdSquareMotionThreshold(...)
shoot smaller boxes (test)
use yellow instead of orange for contact point normals
tweak default erp and erp2 values, now split impulse is on by default (need to check it)
 2012-09-11 00:56:11 +00:00
erwin.coumans 9cfcabfc4c disable all demos for premake4 iOS build (it only compiles HelloWorld, Benchmark and UnitTest for now) 
add btAlignedFree to deleteCriticalSection
 2012-09-10 16:02:30 +00:00
erwin.coumans 77b662d5fe fix a few more warnings under Windows 
fix linker issue due to unsigned/int variable
 2012-09-10 04:46:39 +00:00
erwin.coumans 5417bae113 add zigzag heightfield for Ogre compatibility. 
Fixes Issue 625. Thanks to KLLoyd!
 2012-09-09 22:48:20 +00:00
erwin.coumans f50cf5585a fix MinGW compilation, use size_t instead of unsigned long 
add missing virtual methods in SequentialThreadSupport
 2012-09-09 22:19:54 +00:00
erwin.coumans e2522c6f9b re-enable debug drawing of box, instead of using the generic convex path. 
Fixes Issue 622. Thanks for the report!
 2012-09-09 22:08:23 +00:00
erwin.coumans 2fb970ce33 disable debug drawing in btCompoundCollisionAlgorithm 
Fixes Issue 600.
Thanks to Stuart for the report.
 2012-09-09 21:31:02 +00:00
erwin.coumans 6b8a571438 better fix for memory issue of BulletMultiThreaded 
See Issue 271 and
http://www.bulletphysics.org/Bullet/phpBB3/viewtopic.php?p=&f=9&t=4043
 2012-09-09 21:25:00 +00:00
erwin.coumans ccfbb9fd79 revert memory deletions, should be done properly 2012-09-09 20:57:41 +00:00
erwin.coumans 491c91f486 fix memory leak in BulletMultiThreaded 
Fixes Issue 271.
 2012-09-09 20:53:55 +00:00
erwin.coumans 7bb4e0e1bd fix ForkLiftDemo update (previous commit) 
implement preallocate{Vertices,Indices} in btTriangleMesh. Fixes Issue 647.
 2012-09-09 17:59:02 +00:00
erwin.coumans ff72d64ffa fix memory leak in Box2dDemo. Fixes Issue 619. Thanks to Joshua Downer for the report. 2012-09-09 17:31:10 +00:00
erwin.coumans 3b83428a7f Applied polar decomposition patch. Fixes Issue 621. Thanks to Christian for the report, Joshua for the fix, Dongsoo for checking the fix. 
Applied picking cloth patch. Fixes Issue 646. Thanks to Dongsoo.
Applied patch Softbody updateConstraints. Fixes Issue 503. Thanks to Dave Bruce Phillips and Dongsoo.
Fix various warnigns under Mac OSX.
 2012-09-09 17:22:30 +00:00
erwin.coumans@gmail.com e208f99289 clear all arrays when deleting data. Fixes Issue 645. 2012-09-08 20:05:53 +00:00
erwin.coumans 2700ba17c0 fix memory leak when calling initializePolyhedralFeatures 
Fixes Issue 623, thanks for the report/patch!
 2012-09-08 19:43:24 +00:00
erwin.coumans@gmail.com f3d40957be replace MAKE_ID by BT_MAKE_ID to avoid conflic with Blender code base. Fixes Issue 628, thanks to Sergey! 2012-09-08 19:33:47 +00:00
erwin.coumans b69c6ac3f5 fix padding in btSolverConstraint, see Issue 650 
fix some warnings
 2012-09-08 19:21:14 +00:00
erwin.coumans@gmail.com 9065f59229 only use neon for armv7, quick commit through website 2012-09-06 05:22:17 +00:00
erwin.coumans 196aa20329 add m_splitImpulseTurnErp solver setting, initialized to 0.1: more stable recovery from deeper penetrations by reducing the angular effect (if split impulse is enabled) 
Set it to 1.0 to disable the effect.
removed broken/not maintained heightfield fluid demo
add some API methods to btPersistentManifold
 2012-09-03 04:38:08 +00:00
erwin.coumans c1138535f9 use btAssert instead of assert 
use __debugbreak for Windows MSVC asserts and asm volatile ("int3");\ on Mac OSX (__i386__ / __x86_64__)
 2012-09-02 17:54:30 +00:00
erwin.coumans c28f413e50 remove obsolete IBM Cell SDK makefiles 2012-09-02 17:38:51 +00:00
erwin.coumans 48966ec247 remove the need for ARM_NEON_GCC_COMPATIBILITY definition (arm/Apple/iOS) 2012-08-31 22:41:05 +00:00
erwin.coumans 84b1774dda improve handling of restitution by using the velocity (linear/angular) before applying forces: this is done by re-introducing the btSolverBody and only apply the forces to solver body, and use the original rigid body velocity for restitution computation. 
warmstarting for contact points was broken, fix in btPersistentManifold
enable split impulse by default (at the cost of some performance)
add  the option for zero-length friction (instead of recomputing friction directions using btPlaneSpace), use the solver mode flag SOLVER_ALLOW_ZERO_LENGTH_FRICTION_DIRECTIONS
precompute lateral friction directions (in btManifoldResult)
remove the mConstraintRow[3] from btManifoldPoint, it just took a lot of memory with no benefits: fixed it in btParallelConstraintSolver
 2012-08-31 19:46:24 +00:00
erwin.coumans 37ebcc3aa6 fix and re-enable sphere-box collision algorithm, Issue 643 
Thanks to Laurent for the fix and Thomas for adapting the fix to latest trunk revision!
 2012-07-31 17:17:51 +00:00
erwin.coumans 7f6131f0cc fix soft body friction value, Issue 613 
Thanks to Jarno for the report and fix.
 2012-07-31 17:02:40 +00:00