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Author SHA1 Message Date
erwin.coumans
eaabf1a2c8 Expose btManifoldResult::calculateCombinedRestitution and btManifoldResult::calculateCombinedFriction as static member functions, so it can be reused for speculative contacts 
Add speculative contact restitution, but disabled by default, not well tested (btDiscreteDynamicsWorld::setApplySpeculativeContactRestitution)
Add --with-double-precision option to premake build system
 2012-10-05 21:15:11 +00:00
erwin.coumans
6be2689f01 add joint feedback (applied force and applied torque for a constraint) 2012-10-05 05:37:12 +00:00
erwin.coumans
394bb103f0 Fix src/BulletCollision/CollisionDispatch/btSphereBoxCollisionAlgorithm.cpp 
See Issue 643, thanks to Laurent at liquiddragon for the patch.
Fix warning, See Issue 655
 2012-10-04 20:32:04 +00:00
erwin.coumans
416b8477b3 start to rewrite the Bullet manual and check-in the Latex source 2012-10-03 19:34:43 +00:00
erwin.coumans
74db95d827 disable sphere-box again, it seems broken 
http://bulletphysics.org/Bullet/phpBB3/viewtopic.php?f=9&t=8456

fix some warnings
 2012-10-02 02:26:37 +00:00
erwin.coumans
6284ded4a1 remove intptr_t, it breaks the build and it was not necessary 2012-09-29 05:00:46 +00:00
erwin.coumans
cfb609f9d1 tweak CcdPhysicsDemo 
remove wrong cp.m_lateralFrictionInitialized = false;
See http://bulletphysics.org/Bullet/phpBB3/viewtopic.php?p=28851#p28851
 2012-09-29 01:52:27 +00:00
erwin.coumans
79a792913d Add the option BUILD_MULTITHREADING to CMAKE, only enabled on APPLE and MSVC platforms. This controls multi-core (BulletMultiThreaded), MiniCL, DX11 and OpenCL acceleration. 
On other platforms (Linux) it might work, but it is unsupported.
Fix some warnings in btBulletWorldImprter
 2012-09-28 19:32:30 +00:00
erwin.coumans
60bf599246 perform GrahamScanConvexHull2D around an arbitrary oriented 2D plane in 3D, to fix some convex hull face merging problems 
add compound shape support to BulletXmlWorldImporter and fix some compile issue under Debian (hopefully)
object picking change in the demos: create a ball-socket picking constraint when holding shift while mouse dragging, otherwise a fixed (6dof) constraint
add assert in constraint solver, when both objects have their inertia tensor rows set to zero
btPolyhedralContactClipping: add edge-edge contact point in  findSeparatingAxis (similar to the default GJK case)
 2012-09-28 07:14:48 +00:00
erwin.coumans
837e5cb5e0 serialize rolling friction 2012-09-27 16:20:29 +00:00
erwin.coumans
4442a826ed add commandline arguments to serialize demo for xml export and Bullet import file name 
update AntTweakBar version in CDTestFramework
add btCompoundShape support in BulletXmlWorldImporter (this importer is still premature/work-in-progress)
 2012-09-26 19:47:18 +00:00
erwin.coumans
60c1b1918a fix bug for convex-convex polyhedral contact clipping, where the origin of the object is not located inside the convex hull of the vertices. 2012-09-23 18:35:19 +00:00
erwin.coumans
182c3034de fixes in btBulletXmlWorldImporter, and add premake4 support for the related demo 2012-09-22 05:27:35 +00:00
erwin.coumans
0fa444e851 fix Mac OSX build 2012-09-22 04:26:14 +00:00
erwin.coumans
6f60a388c6 add missing Demos/BulletXmlImportDemo 
serialize DynamicsWorldInfo
 2012-09-22 02:06:09 +00:00
erwin.coumans
f2c9cdfb11 add m_rollingFriction to serialization structures 
add btContactSolverInfo and gravity to serialization structures
(actual serialization code will follow soon)
 2012-09-21 23:37:24 +00:00
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