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847 Commits

Author SHA1 Message Date
Xuchen Han
f1e7ce9ce1 add multibody interpolation transform so that collision detection is consistent with rigidbody 2019-08-02 13:15:06 -07:00
Xuchen Han
233a381e7c add correct impulse matrix to multibody-deformable contact 2019-08-02 13:15:00 -07:00
Xuchen Han
a90cad2a96 deformable code refactor 2019-08-02 13:13:21 -07:00
Xuchen Han
77d670ae41 separate external force solve from constraint solve and eliminate damping in external force solve 2019-08-02 13:12:41 -07:00
Xuchen Han
c4e316f005 btDeformableRigidWorld now inherits from btMultiBodyDynamicsWorld instead of btSoftRigidDynamicsWorld 2019-08-02 13:12:41 -07:00
Xuchen Han
35ce2ae0e2 add contact constraint as projections in CG 2019-08-02 13:10:56 -07:00
Xuchen Han
32836b0694 set up deformable world and solver (does not support contact or friction yet) 2019-08-02 13:10:17 -07:00
Erwin Coumans
3eedb2a6f2 fix rotational friction between btMultiBody and btRigidBody 2019-07-24 22:07:16 -07:00
Andrea Catania
960cadd919 Fix initialization order 
This commit is necessary in order to fix the error that we get in godot with the flag: "-Werror=reorder"
 2019-06-03 12:54:19 +02:00
erwincoumans
36896db828 Merge remote-tracking branch 'bp/master' 2019-06-01 07:29:31 -07:00
erwincoumans
4d3ee40895 Update btLemkeSolver.h 
address this issue: https://github.com/bulletphysics/bullet3/pull/2253
 2019-05-31 19:09:28 -07:00
Erwin Coumans
f838e22bd9 fix some warnings 2019-05-31 19:00:38 -07:00
Rémi Verschelde
d85b800702 Convert DOS (CRLF) source files to Unix (LF) line endings 
Excluded `examples/pybullet/gym/pybullet_data/` which has many (3000+)
CRLF data files (obj, mtl, urdf), and `docs/pybullet_quickstart_guide`
which has generated .js and .htm files with CRLF line endings too.
 2019-05-22 10:01:32 +02:00
Andrea Catania
4dad15946b Multibody memory invalid writing 
Related #2233
 2019-05-06 17:56:18 +02:00
erwincoumans
38f45d7137 Update btMultiBodyDynamicsWorld.cpp 2019-04-27 14:16:44 -07:00
erwincoumans
a929e8f2e5 Merge pull request #2203 from erwincoumans/master 
implement stablePD control version of testLaikago,  fix getCameraImage in VR,  only report solver analytics if enabled using setPhysicsEngineParameter
 2019-04-15 08:52:03 -07:00
erwincoumans
e97a7d77af only report solver analytics if enabled using setPhysicsEngineParameter(reportSolverAnalytics=1) 2019-04-14 18:20:20 -07:00
erwincoumans
5ff52e47d9 report constraint solver analytics data, currently for each island the number of solver iterations used and remaining residual error. 2019-04-11 22:19:02 -07:00
Steven
bdf0553077 don't need to call the computeAccelerationsArticulatedBodyAlgorithmMultiDof() the second pass if the m_internalNeedsJointFeedback is false. 2019-04-09 20:13:54 +08:00
Erwin Coumans
150a6a0880 Qualify calls to certain functions from the cmath library. 2019-03-14 16:57:50 -07:00
erwincoumans
a9e350b0fb Merge pull request #2141 from erwincoumans/blocksolver 
solver experiment
 2019-03-06 22:02:44 -08:00
erwincoumans
04441a29cc Implement 'cone friction' for the rolling friction, to avoid curved trajectories for contact with rolling friction enabled. 
(and separate spinning friction from rolling friction)
Fixes Issue 2117
 2019-03-03 17:10:01 -08:00
erwincoumans
36a9dcf368 remove src/BulletDynamics/Featherstone/btMultiBodyBlockConstraintSolver.cpp and examples/ConstraintSolvers/* code 
revert changes to btMultiBodyConstraintSolver/btSequentialImpulseConstraintSolver related to btMultiBodyBlockConstraintSolver
 2019-02-27 17:10:17 -08:00
erwincoumans
48d84e7899 revert experiment not passing the constraint solver back down from btMultiBodyDynamicsWorld to btDiscreteDynamicsWorld. 2019-02-27 16:00:56 -08:00
erwincoumans
d7e087de16 prepare small experiment with block solver 2019-02-26 23:27:05 -08:00
erwincoumans
c44471c38c preparation for block solver btRigidBody. 2019-02-26 20:24:15 -08:00
erwincoumans
bdf9b10246 more work on pybullet_envs.deep_mimic. 
allow btMultiBody to not wakeup (for some RL experiments)
move deep_mimic motion files to data/motions folder, so we can use the args files unmodified.
 2019-02-18 17:57:02 -08:00
erwincoumans
014c68388e fix createVisualShape.py ray vertical/horizontal and retina scale, fixes Issue 2085 
fix memory leak in removeBody, fixes issue 2086
 2019-01-30 15:29:43 -08:00
erwincoumans
93087f36df avoid conflicts when using a unity build (single cpp file including many other cpp) 2019-01-23 13:35:58 -08:00
erwincoumans
ae8e83988b Add preliminary PhysX 4.0 backend for PyBullet 
Add inverse dynamics / mass matrix code from DeepMimic, thanks to Xue Bin (Jason) Peng
Add example how to use stable PD control for humanoid with spherical joints (see humanoidMotionCapture.py)
Fix related to TinyRenderer object transforms not updating when using collision filtering
 2019-01-22 21:08:37 -08:00
erwincoumans
93a6846931 Merge pull request #2042 from erwincoumans/master 
Increase mesh allocation for vertices/indices in PyBullet.createColli…
 2019-01-04 07:52:32 -08:00
Erwin Coumans
19aafd5221 PyBullet: handle the switch from fixed base to floating base when changing mass from zero to non-zero 2019-01-03 17:35:12 -08:00
erwincoumans
126b676220 Merge pull request #2034 from erwincoumans/master 
Cleaning up the issue tracked with old/out-of-date/issues that haven't been addressed for too long.
 2018-12-31 12:42:41 -08:00
Erwin Coumans
6661b1ac71 internalApplyImpulse already applies the getLinearFactor, fixes Issue 71 2018-12-22 16:53:52 -08:00
Erwin Coumans
44f8064855 Fix Issue 61 related to character controller, 
see 6cb832140d
 2018-12-22 16:44:36 -08:00
erwincoumans
8bc1c8e01b Merge pull request #2030 from erwincoumans/master 
some fixes in inverse dynamics, PyBullet example comparing explicit pd, stable pd control, position control (constraint)
 2018-12-22 16:17:26 -08:00
erwincoumans
63ac2182ae fix degerenate case in btHingeConstraint, see Issue 2031 
https://github.com/bulletphysics/bullet3/issues/2031
 2018-12-22 11:19:15 -08:00
erwincoumans
8e8c3fb315 few fixes in inverse dynamics 2018-12-19 20:15:30 -08:00
a
9160d0aee1 Tangential velocity is now added to the linear velocity when the current velocity is calculated for the calculation of the damping force in btGeneric6DofSpring2Constraint. 
Better mass estimation while calculating spring forces in btGeneric6DofSpring2Constraint.
BT_6DOF_FLAGS_USE_INFINITE_ERROR flag has been removed as it's no longer needed.
 2018-12-01 12:19:18 +01:00
Erwin Coumans
2d07fc1f64 ClangTidy 
clang-diagnostic-shift-sign-overflow
signed shift result (0x80000000) sets the sign bit of the shift expression's type ('int') and becomes negative
 2018-11-28 15:40:20 -08:00
Erwin Coumans
fbfa13894b Merge remote-tracking branch 'bp/master' 2018-11-25 12:58:22 -08:00
stolk
cec71341ad Optionally enable infinite constraint error. 2018-11-24 12:56:23 -08:00
erwincoumans
ca36a82c62 add deepmimic args file (for testing) 
implement deepmimic reward function (only joint angles/velocities for now)
fix an out-of-date comment, related to contactPoint.m_lateralFrictionInitialized in btSequentialImpulseConstraintSolver.cpp
 2018-11-23 18:32:23 -08:00
stolk
5dfcbe9a33 Fix issue #2000 of oscillating constraints. 2018-11-20 10:46:27 -08:00
stolk
b39f47eab1 Change confusing variable name in btDiscreteDynamicsWorldMT API. 2018-11-15 14:48:43 -08:00
erwincoumans
9ad77a220e Merge pull request #1990 from erwincoumans/master 
If a convex has called 'initializePolyhedralFeatures', use those feat…
 2018-11-13 15:32:05 -08:00
erwincoumans
7dd524075c Implement btMultiBodySphericalJointMotor, able to track a quaternion position target. 
Expose this btMultiBodySphericalJointMotor through PyBullet.setJointMotorControlMultiDof
Expose PyBullet.getQuaternionSlerp
Improve PyBullet.setJointMotorControlMultiDof
Improve humanoidMotionCapture.py with slerp and using setJointMotorControlMultiDof
Expose  btMultiBody::spatialTransform
Fix btMultiBody::setupPlanar from DeepMimic codebase
Add support for multidof joints in btMultiBody::compTreeLinkVelocities, thanks to DeepMimic codebase @xbpeng
 2018-11-13 14:32:18 -08:00
erwincoumans
75d60e1550 Merge pull request #1978 from stolk/master 
Added Benchmark Demo for packed convex shapes.
 2018-11-12 21:51:25 -08:00
erwincoumans
0b2142414d fix usage of btMultiBody::setJointPosMultiDof/setJointVelMultiDof 2018-11-11 19:04:07 -08:00
erwincoumans
17219f84c6 make setJointPosMultiDof and setJointVelMultiDof argument const. 
add PyBullet.resetJointStateMultiDof / getJointStateMultiDof, for preliminary support for spherical and planar joints
 2018-11-10 14:26:31 -08:00