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817 Commits

Author SHA1 Message Date
erwin.coumans
1685729b80 Show how to use the btBroadphaseInterface::aabbTest, it collects all objects that overlap with a given bounding box 
This fixes old Issue 114
Removed 2 warnings
 2013-09-11 05:52:19 +00:00
erwin.coumans
7195b54d13 Fix Issue 712, related to NVIDIA CUDA check in CMakeLists.txt 
Enable btGImpact raycast optimization, thanks to C0DEFACE, see Issue 664
Cull triangle/AABB for concave/heightfield shapes, thanks to Danny Chapman
fix btGetCpuCapabilities, thanks to Ian Ollman! See https://code.google.com/p/bullet/issues/detail?id=738
 2013-09-10 23:09:24 +00:00
erwin.coumans
7633dc8b13 use __int64 for 64bit uint64_t for 64bit Visual Studio 
See https://code.google.com/p/bullet/issues/detail?id=717
allow parallel constraint solver in double precision
See https://code.google.com/p/bullet/issues/detail?id=728
 2013-09-10 21:26:19 +00:00
erwin.coumans
c160bfe74c applied Character controller patch #20 from Issue 198 
See https://code.google.com/p/bullet/issues/detail?id=198
 2013-09-10 20:40:42 +00:00
erwin.coumans
d50be40f8e Fix Issue 2644, compile error due to use of removed stack alloc 2013-09-10 20:15:52 +00:00
erwin.coumans@gmail.com
2bb26cbb7d Enable btHeightfieldShape in VehicleDemo, so it is tested (using heightfield128x128) 
(converted raw data to .cpp so it doesn't need to be loaded from disk)
Some optimizations for btHeightfieldShape, thanks to Danny Chapman
 Quick check on AABB (was not done) and reduce calls to 'getVertex'
 2013-09-10 00:57:00 +00:00
erwin.coumans@gmail.com
dfaed4b258 fix a line in unused testing code (USE_GJK should be defined) 2013-08-30 18:43:10 +00:00
erwin.coumans@gmail.com
542c53fb30 Don't pass along unused btStackAlloc everywhere. The API change might user code (derived classes with the old virtual method are not called anymore) 2013-05-08 22:45:35 +00:00
erwin.coumans@gmail.com
e8c2475c95 Added a gCompoundChildShapePairCallback to filter (enable/disable) child shape collisions for a btCompoundShape. 
Thanks to Rich McDaniel for the patch.
See MyCompoundChildShapeCallback in Demos/ConvexDecompositionDemo/ConvexDecompositionDemo.cpp for usage.
 2013-04-02 02:01:43 +00:00
erwin.coumans
74c028ebae remove some quicksort test that breaks the build under MSVC 2005 SP1 
Fixes Issue 680 together with this commit:
https://code.google.com/p/bullet/source/detail?r=2632
 2012-12-20 22:47:54 +00:00
erwin.coumans
02a22f6329 Avoid using SSE in API when BT_USE_SSE_IN_API is not defined 
Fixes Issue 683.
 2012-12-20 22:09:59 +00:00
erwin.coumans
7e14e79da0 Fix Issue 680, compilation error using Visual Studio 2005, service pack 1, quicksort compare function needs to be in a class. 
Toggle between GJK and SAT (initializePolyhedralFeatures) in convexDecomposition at easch restart of the demo (spacebar)
 2012-12-17 20:38:31 +00:00
erwin.coumans
9eddd42347 fix win32 (non-glut) cmake build. 
add partId/index to btCollisionObjectWrapper to be able to recognize recursive shape indices (a btCompoundShape with a btGimpactShape child shape etc)
 2012-11-10 01:42:35 +00:00
erwin.coumans
595dab2337 allow the Bullet world importer to save a copy with swapped endianness 
See http://bulletphysics.org/Bullet/phpBB3/viewtopic.php?f=9&t=8191
 2012-10-31 07:25:54 +00:00
erwin.coumans
a32efa48c1 add BulletQuickstart.pdf and a reference to it from the old Bullet_User_Manual.pdf 
add HelloWorld demo to premake
 2012-10-08 19:01:47 +00:00
erwin.coumans
30b88f2f8e more work on the new Bullet manual/quickstart guide, and cross reference to HelloWorld.cpp source code 2012-10-06 20:56:44 +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
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
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
182c3034de fixes in btBulletXmlWorldImporter, and add premake4 support for the related demo 2012-09-22 05:27:35 +00:00
erwin.coumans
6f60a388c6 add missing Demos/BulletXmlImportDemo 
serialize DynamicsWorldInfo
 2012-09-22 02:06:09 +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
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
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
47cae15fe5 add missing file in AllBulletDemosOSX 
fix RaytestDemo CMakeLists.txt
 2012-09-13 00:14:30 +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
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
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
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
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
b69c6ac3f5 fix padding in btSolverConstraint, see Issue 650 
fix some warnings
 2012-09-08 19:21:14 +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
73b217fb07 Apple contribution for OSX SSE and iOS NEON optimizations unit tests, thanks to Jordan Hubbard, Ian Ollmann and Hristo Hristov. 
For OSX:
cd build
./premake_osx xcode4
for iOS:
cd build
./ios_build.sh
./ios_run.sh

Also integrated the branches/StackAllocation to make it easier to multi-thread collision detection in the near future. It avoids changing the btCollisionObject while performing collision detection.

As this is a large patch, some stuff might be temporarily broken, I'll keep an eye out on issues.
 2012-06-07 00:56:30 +00:00
erwin.coumans
777b92a2ad fix HACD/CMakeLists.txt to add .inl files for install fixes Issue 616 
https://code.google.com/p/bullet/issues/detail?id=616&colspec=Modified%20ID%20Type%20Stars%20Status%20Owner%20Summary
fix Intel cmake build of ParticlesOpenCL and OpenCLClothDemo
disable debug printf
 2012-05-30 19:22:54 +00:00