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Author SHA1 Message Date
erwin.coumans
c4ad354ac0 More GJK degeneracy fixes, thanks Jacob Langford for the feedback: 
http://code.google.com/p/bullet/issues/detail?id=250

Added missing files for Maya Dynamica plugin
Thanks Herbert Law for the patch, and damrit and others for the report
http://code.google.com/p/bullet/issues/detail?id=231

Fix btQuaternion shortestArcQuat, thanks Stan Melax for original fix and shogun for reminder
http://bulletphysics.com/Bullet/phpBB3/viewtopic.php?f=9&t=1989

Implemented btDiscreteDynamicsWorld::removeCollisionObject (and btSoftBodyDynamicsWorld) to avoid
crashes. Thanks Jacob Langford for bringing that up.

Minor sphere-debug drawing issue (spheres were drawn inside-out (wrong face winding)
 2009-07-13 21:48:19 +00:00
erwin.coumans
d4b099236c attempts to improve degeneracies in GJK implementation 2009-07-10 21:27:04 +00:00
erwin.coumans
3538ac1162 add radius to debug sphere drawing 2009-07-10 00:26:46 +00:00
erwin.coumans
d9ad88aa7a Fix in some degenerate GJK configuration: once a degenerate GJK case is detected, without valid EPA penetration, use a second GJK run without margin. 
Thanks to Jacob Langford for the report:http://code.google.com/p/bullet/issues/detail?id=250
 2009-07-09 22:10:27 +00:00
erwin.coumans
dc4180f1ce + fix bug in SoftDemo: use removeRigidBody for rigid bodies, instead of removeCollisionObject 
+ use default convex drawing instead of special cylinder drawing (caps are wrongly drawn)
+ allow camera translation using middle-mouse button in SoftDemo
+ add/removeCollisionObject virtual 
Thanks Ola for this suggestion
 2009-07-06 04:15:02 +00:00
rponom
99f6ff7cf3 Some fixes to work with constraint angle limits close to -PI or PI 2009-06-12 01:23:47 +00:00
erwin.coumans
699ba8f5b2 forgot to update Demos/Gpu2dDemo for btMultiSphereShape change (removed 1st argument) 2009-06-11 14:32:41 +00:00
erwin.coumans
f552a1dbbf Remove first argument from btMultiSphereShape, calculate local inertia approximation from aabb. 
If user wants more accurate inertia tensor for multi-sphere shape, use btCompoundShape instead 
(amd btCompoundShape::calculatePrincipalAxisTransform)

Thanks rcharlton for bringing this up.
Erwin
 2009-06-11 13:51:48 +00:00
erwin.coumans
6c80353556 Minor fix in friction: calculate second friction direction based on un-scaling first friction direction (issue if it was scaled to zero) 
Force activation state of static objects to be ISLAND_SLEEPING, once they are added to the world
Add backwards compatibility option btDiscreteDynamicsWorld::setSynchronizeAllMotionStates, just in case only updating active objects broke someones code
Don't disable 3D box-box in box2ddemo
 2009-06-11 12:22:41 +00:00
erwin.coumans
3e5fc86a6c Iterate only over non-static rigid bodies, instead of all collision objects 
http://bulletphysics.com/Bullet/phpBB3/viewtopic.php?f=18&t=3625
http://code.google.com/p/bullet/issues/detail?id=128

Attempt to fix issue in mesh striding, multiple-mesh-parts were broken.
 2009-06-11 01:25:10 +00:00
erwin.coumans
659272685b Applied patch to fix scaling on btCapsuleShape: 
http://code.google.com/p/bullet/issues/detail?id=230
Thanks Chuck Spencer for report/fix!

Applied patch to fix triangle mesh embedded in a btCompoundShape:
http://code.google.com/p/bullet/issues/detail?id=229
Thanks Ola for reporting/fixing!
 2009-06-11 00:23:49 +00:00
erwin.coumans
47a4435a9a Make is easier to compile Bullet/Extras/sph: 
1) use $(CUDA_INC_PATH) for CUDA include path
2) avoid using cuda util, but use BT_GPU_SAFE_CALL and BT_GPU_CHECK_ERROR (defined in Bullet/Extras/CUDA/btCudaUtil.h)
3) remove pre-linked glee*.lib, but include glee.c directly
 2009-06-10 22:44:27 +00:00
erwin.coumans
656d6b8336 Make is easier to compile Bullet/Extras/sph: 
4) removed fluids_2008.sln, just use automatic converted upgrade using fluids_2005.sln solution
Use Bullet/Glut/GL folder, instead of Bullet/Extras/spu/common/GL folder)
 2009-06-10 22:43:23 +00:00
erwin.coumans
acf8ed3de5 Re-enabled split impulse: avoids adding linear/angular momentum due to penetration recovery. 
Both SIMD and scalar version is supported.
 2009-06-10 22:04:06 +00:00
erwin.coumans
b0d5fbcc6c remove Blender-hack for older compilers (just apply the hack only in the Blender copy of Bullet) 2009-06-09 05:10:06 +00:00
erwin.coumans
a9141d5daf Fix in generic 6dof constraint, when springs/limits/motors are combined 
Added btGeneric6DofConstraint::getRelativePivotPosition to read relative linear position of the constraint frame (pivot)
 2009-06-06 01:09:06 +00:00
rponom
ee664e7750 Damping for spring motors added 
see btGeneric6DofSpringConstraint::setDamping()
 2009-06-02 01:10:43 +00:00
erwin.coumans
d58a14b4cd include <string.h> instead of <memory.h> 2009-05-29 02:08:03 +00:00
rponom
dfa1f033da Bug fix : Instability of spring motor for the 6DOF constraint 2009-05-27 20:20:38 +00:00
erwin.coumans
3985e2e328 2009-05-27 01:46:58 +00:00
erwin.coumans
d198d18721 added SVN $revision$ and $date$ for btScalar.h, to make it easier to see Bullet version 2009-05-27 01:38:43 +00:00
erwin.coumans
258ef6e25a + Added joint feedback for constraints, needs testing/demo before 2.75 release. 
See also http://www.bulletphysics.com/Bullet/phpBB3/viewtopic.php?f=9&t=2677
and http://code.google.com/p/bullet/issues/detail?id=227

To enable, use constraint->enableFeedback(true);
And then either use
constraint->getAppliedImpulse() for an estimated applied impulse,
or constraint-> getAppliedLinearImpulse(), or constraint->getAppliedAngularImpulseA() or constraint->getAppliedAngularImpulseB().

+removed a few warnings.
 2009-05-27 01:34:46 +00:00
rponom
056659d2af "Motor at limit" jitter fixed for btGeneric6Dof constraint 
This also _should_ fix situation when 6DOF constraint with motor get stuck at limit 
(see forum topic at  http://bulletphysics.com/Bullet/phpBB3/viewtopic.php?f=9&t=3598&p=13603&hilit=ode*#p13603 )
 2009-05-27 00:36:02 +00:00
erwin.coumans
c9f3d3f8b6 patch to fix autotools/automake make build system. 
Thanks to William Knight, http://code.google.com/p/bullet/issues/detail?id=226
 2009-05-26 04:52:23 +00:00
erwin.coumans
0c097bd45a Added keyboardUpCallback, 
Thanks to Erik Weitnauer
http://code.google.com/p/bullet/issues/detail?id=215#c1

Fixed ccdMotionThreshold (wrongly squared input value)
Thanks to Mark Carlson for the report/fix.
http://code.google.com/p/bullet/issues/detail?id=216#c1
 2009-05-23 02:48:16 +00:00
erwin.coumans
0ada7cbb1e Fix in btGjkPairDetector, possibly causing a floating point overflow 
Thanks Ole for the report and suggested fix:
http://code.google.com/p/bullet/issues/detail?id=220&can=1&start=200

Applied Character/btKinematicCharacterController.cpp patch:
Thanks Thomas for the patch!
http://code.google.com/p/bullet/issues/detail?id=196#makechanges

 - added a normalizedDirection member variable.  This is
     slightly more efficient than recalculating the normalized
     direction every simulation step.

 - I overloaded the m_walkDirection member variable to hold
     either the walkDirection or the Velocity, and used a boolean
     flag to determine which behavior was required.

 - The normalization behavior seemed custom, and I needed it
     twice, so I moved it to a static helper method.

 - I added the setVelocityForTimeInterval() method to the
     base interface class.  This to me is the scariest change
     since people inheriting from it will need to make changes
     (if only to add an empty function).
 2009-05-23 02:28:58 +00:00
erwin.coumans
badf723257 Replace all hardcoded 1e30(f) by BT_LARGE_FLOAT, defined in btScalar.h as 1e18(f) so that its square still fits in FLT_MAX 
Thanks to Ole K. for reporting! http://code.google.com/p/bullet/issues/detail?id=206
 2009-05-23 02:15:54 +00:00
erwin.coumans
1e11223f6b updates to msvc projectfiles 2009-05-23 01:51:02 +00:00
erwin.coumans
31d3bf7700 compile fixes for trunk on OSX 2009-05-23 01:40:27 +00:00
erwin.coumans
4f92f69ca4 added projectfiles 2009-05-22 20:09:19 +00:00
erwin.coumans
4ad21d36f9 some fixes in build systems 2009-05-22 19:24:20 +00:00
rponom
bc1662abee Gpu3D demo added 2009-05-22 02:41:22 +00:00
erwin.coumans
fb6146f0be Added MiniCL, a limited subset of OpenCL, the open standard for parallel programming of heterogeneous systems. 
MiniCL includes a cross-platform run-time frontend based on pthreads, Win32 Threads, or libspe2 for Cell SPU.
It is there, to bridge the gap until OpenCL is more widely available.

See Bullet/Demos/VectorAdd, influenced by NVidia OpenCL Jumpstart Guide:
http://developer.download.nvidia.com/OpenCL/NVIDIA_OpenCL_JumpStart_Guide.pdf
 2009-05-22 01:43:37 +00:00
erwin.coumans
2f1014268b + Internal improvements for collision shapes 
1) add AabbCaching versions of btPolyhedralConvexShape and btMultiSphereShape (this speeds up btMultiSphereShape 'getAabb', and reduces size of btBoxShape)
2) btCylinderShape doesn't derive from btBoxShape anymore
+ Minor fixes in drawing for btMultiSphereShape, btBoxShape.
+ Don't re-generate btDebugFont every frame
+ Disabled velocity prediction for btDbvtBroadphase. Previous default can be restored using btDbvtBroadphase->setVelocityPrediction(1./2.);
 2009-05-22 01:03:45 +00:00
rponom
c680791ce9 3 new constraints added : btGeneric6DofSpringConstraint, btUniversalConstraint, btHinge2Constraint 
Motors for btConeTwistConstraint added (for obsolete solver only)
appConstraintDemo changed to test new constraints
Several coding-style fixes
 2009-05-21 22:10:13 +00:00
erwin.coumans
8d9c445b73 Fix btGpu2dDemo build -> remove btGpuUtils.cpp and re-enable 3 include files for CPU implementation 
(btGpuUtils.cpp requires several build system fixes first)
 2009-05-16 14:44:28 +00:00
rponom
a95b2a33bd Added a possibility to build appGpu2dDemo with CUDA solver. 
It is disabled by default, see Demos/Gpu2dDemo/btGpuDemoDynamicsWorld.h for instructions how to enable it

Cleaned up Extras/CUDA folder and libbulletcuda project
 2009-05-14 20:20:56 +00:00
erwin.coumans
42ece54556 applied patch that allows to enable multithreading mode for CcdPhysicsDemo, 
Still requires manually adding BulletMultiThreaded library dependency (we won't enable it by default just yet)
Thanks SkewMatrix for the report/fix: http://code.google.com/p/bullet/issues/detail?id=222
 2009-05-14 17:24:08 +00:00
erwin.coumans
1526691f89 fixed memory leaks in ForkLiftDemo/VehicleDemo 
Thanks to mi076 for report+fix: http://bulletphysics.com/Bullet/phpBB3/viewtopic.php?f=9&t=2652
Minor syntax error fix in a Jamfile
 2009-05-14 17:03:42 +00:00
erwin.coumans
e260bcd1b2 Added initial Smoothed Particle Hydrodynamics implementation (SPH), for CPU and CUDA. 
This software is contributed under the ZLib license by Rama Hoetzlein, http://www.rchoetzlein.com
We plan to integrate the SPH into the core Bullet library, including interaction with rigid bodies and soft bodies.
 2009-05-13 22:28:03 +00:00
rponom
4616b62686 Static objects support added for appGpu2dDemo 2009-05-13 00:43:42 +00:00
erwin.coumans
22fe8935c3 updated test1.oec with a few static objects 
fix Maya plugin hinge constraint support
update copyright year in BulletCollision/CollisionShapes.
 2009-05-12 22:28:45 +00:00
rponom
6ac6b3a257 Second attempt to commit appGpu2dDemo with Bullet narrowphase 
Previous version was with old btGpuDemoDynamicsWorld.cpp :-(
 2009-05-12 18:56:08 +00:00
rponom
fcf7bda3b0 More stable parameters for solver (GpuDemo2d) 
Added a possibility to switch between GPU/Bullet narrowphase ('j' key)
 2009-05-12 01:54:41 +00:00
erwin.coumans
34685cb631 Fixes for Linux compilation, 
Thanks to Ole: http://bulletphysics.com/Bullet/phpBB3/viewtopic.php?f=9&t=3590
Add option to select EPA or Minkowski sampling method in btDefaultCollisionConfiguration
 2009-05-11 20:35:26 +00:00
erwin.coumans
0a360904b6 fixes in Jam msvcgen -> use SSE instead of SSE2 to stay compatible with older AMD Athlon XP processors, updated build files, minor compile fixes for GPU experimental code 2009-05-09 21:25:42 +00:00
erwin.coumans
9da45d5751 updated autogenerated msvc projectfiles, 
by default, use SSE instead of SSE2 for release build
 2009-05-09 21:20:47 +00:00
erwin.coumans
33029ad996 updated demos -> ALT + mouse uses Maya-style controls, replaced BMF_Fonts by GLDebugFont 
fix debug drawing of btMultiSphereShape
added box2d demo
added experimental gpu 2d demo
 2009-05-09 19:27:14 +00:00
erwin.coumans
7a210546cf added existing demos to CMake build system 
thanks to http://code.google.com/p/bullet/issues/detail?id=209
Added helper method 'getAxis' to btQuaternion,
thanks to Tully.Foote, http://code.google.com/p/bullet/issues/detail?id=205
 2009-05-06 22:03:22 +00:00
erwin.coumans
d9c4529a26 + bugfix in btAlignedObjectArray, not calling destructors on resize to smaller array. 
Thanks Benoit for pointing this out, and bugfix: http://code.google.com/p/bullet/issues/detail?id=218

+ Added point to point, hinge, slider and generic 6dof constraints to Maya Dynamica plugin
Thanks to Herbert Law for the constribution: http://code.google.com/p/bullet/issues/detail?id=221
 2009-05-06 19:55:05 +00:00