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61b7591b8effc26f4fa4d64808bb6bb16eb32cb9
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15 Commits

Author SHA1 Message Date
Erwin Coumans
61b7591b8e expose choice of contraint solver in PyBullet, with switchConstraintSolver example 2018-08-23 23:04:17 -07:00
erwincoumans
312e35964f make some code const correct. 2017-09-22 07:53:21 -07:00
Erwin Coumans
c0c4c8ba3f fix many warnings 
remove btMultiSapBroadphase.*
make collisionFilterGroup/collisionFilterMark int (instead of short int)
 2017-01-15 22:26:11 -08:00
Erwin Coumans
e2bdd7dbb1 fix more memory leaks, ImportURDFExample is now leak-free 
eliminate all run-time memory allocation (except for mouse-pick/ray-intersection) in ImportURDFExample
 2016-07-16 17:40:44 -07:00
erwincoumans
f6f76901fd First draft of btMultiBody serialization, including optional names for base, link and joints (see ImportURDFDemo/ImportURDFSetup.cpp how this is done) 
Bump up version number to 2.84 because of new serialization data.
 2015-07-09 17:36:00 -07:00
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33b0d429ba apply newForceTorque.diff patch: it will allow to report 
joint reaction force/torque, while using impulse-based response
for btMultiBody
 2015-07-06 16:40:09 -07:00
erwin coumans
6e9eb13235 implement joint reaction forces for mobilizer motor/limit, by passing the constraint forces as 'external forces' and going through the Articulated Body Algorithm 
minor refactor for forwardKinematics, store the cached world transform in each btMultiBody::link
 2015-06-19 15:51:24 -07:00
erwincoumans
89edc40d61 First step in btMultiBody joint force/torque feedback. There is still some work to be done for 'mobilizer limit/motor'. 
See examples/MultiBody/TestJointTorqueSetup and examples/Constraints/TestHingeTorque for joint feedback.
 2015-06-19 09:18:27 -07:00
Erwin Coumans
1a4ce475f7 fix an issue with btMultiBodyConstraint, automatically 'finalizeMultiDof' to pre-allocate jacobian data 
enable joint limit for slider/prismatic joint in btMultiBody version of URDF loader
 2015-06-05 11:46:53 -07:00
erwincoumans
bd16df8dd6 add basic debug drawing interface for btMultiBodyPoint2Point constraint 
add basic debug drawing drawText3D in SimpleOpenGL3App
remove a few warnings
add drawTexturedRect3D to GLPrimitiveRenderer to support debug drawing
 2015-01-27 10:45:56 -08:00
erwincoumans
a159fbac69 Improved URDF support for btMultiBody and separate graphics/collision/inertial frames and shapes 
Fix WinXP GetTickCount64 with a typedef
Expose debug drawing mode/flags in UI (hot keys A,D,L,W for now, buttons later)
GLInstancingRenderer: tweak near/far planes to allow closer approach of camera
btDiscreteDynamicsWorld: enable debug drawing for btGeneric6DofSpring2Constraint
btMultiBodyDynamicsWorld: enable basic debug drawing for btMultiBody
btMultibody: allow center-of-mass shift for prismatic and fixed constraint
 2015-01-22 17:56:24 -08:00
erwin coumans
89addd438e add 'fixed' joint for btMultiBody 
improve btMultiBody version of URDF reader (still work-in-progress)
enabled planar joint for btMultiBody (untested)
enable loading from relative path for .stl meshes
 2014-08-28 18:42:08 -07:00
Erwin Coumans
af5883c6e8 remove a lot of warnings (more todo in demos and serialization code) 2014-08-22 10:29:05 -07:00
erwin.coumans
d8b6a02a7a Fix some crashes in FeatherstoneMultiBodyDemo, when using a fixed base 
Create two btMultiBody, one fixed and one free base
Preparation towards btMultiBodyConstraint
 2013-10-02 03:07:52 +00:00
erwin.coumans
f02dd51597 Added a first version of a Featherstone multi body implementation. 
The original version was written by Stephen Thompson.
I replaced Eigen math by Bullet LinearMath, and added a dedicated 6x6 matrix solver. 
Also I integrated support for collisions/contact constraints between btMultiBody and btRigidBody, and de-activation support.
See Demos/FeatherstoneMultiBodyDemo/Win32FeatherstoneMultiBodyDemo.cpp for example usage.
There is currently only support for contact constraints for btMultiBody. 
Next on the list will be adding support for joint limit constraint for btMultiBody. 
The implementation is still experimental/untested, the quality will improve in upcoming Bullet releases.
 2013-10-01 22:50:31 +00:00