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2305 Commits

Author SHA1 Message Date
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
Francois Beaune
649a7d0981 Fix crash in btGImpactMeshShape vs btBvhTriangleMeshShape 2019-02-27 10:41:54 +01:00
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
5d871806eb enable stable PD plugin in premake4.lua PyBullet 
add a normalize in the setRotation axis/angle to be sure.
Add more code from the DeepMimic project, training doesn't work yet.
 2019-01-31 21:31:26 -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
Erwin Coumans
77a9a77b60 create some 'Unity Build' cpp files, to work-around setuptools on Windows creating >32k command-line 
see 'won't fix' in https://bugs.python.org/issue1539295
 2019-01-24 10:32:15 -08:00
Erwin Coumans
a3ec60da67 IsAlmostZero -> IsAlmostZero1 2019-01-23 16:45:29 -08:00
Erwin Coumans
a174b42c02 fix compile issues 2019-01-23 16:33:06 -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
225db2e385 Merge remote-tracking branch 'bp/master' 2019-01-23 08:55:38 -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
Fredrik Svantesson
192b92a6dd Add space to prevent macro from specifying literal 2019-01-18 22:58:09 +01:00
Erwin Coumans
80684f44ea fix issue 76 (should be harmless) 2019-01-04 10:10:20 -08:00
Erwin Coumans
01bb0c3bd7 avoid macro redefinition 2019-01-04 08:40:54 -08:00
erwincoumans
3729b733de Merge pull request #1941 from ShFil119/impr/remove_register 
Remove unneeded keyword `register`
 2019-01-04 07:58:16 -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
83213da154 applied patch for Issue 68 
// Ensure that gContactProcessedCallback is called for concave shapes.
        if (getLastManifold())
            m_resultOut->refreshContactPoints();
 2018-12-22 17:06:57 -08:00
Erwin Coumans
e5fb1aa1d5 apply improvement, to allow btCompoundShape per-shape collision filtering 
Fixes old issue 67
 2018-12-22 17:02:58 -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
Erwin Coumans
7740162ad8 apply gimpact versus rotated plane issue,thanks to @cameronwhite 
see bd8bd11929
Fixes Issue 69
 2018-12-22 16:38:40 -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
d477d18ad6 Expose subsimplexcast max iterations/epsilon 
Note that for best quality, always use BT_USE_DOUBLE_PRECISION
This fixes Issue 34
https://github.com/bulletphysics/bullet3/issues/34
 2018-12-22 12:44:29 -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
875a5f6b0e append m_, fixes Issue 402 2018-12-22 11:07:08 -08:00
erwincoumans
7ce9ad23fb Use safeNormalize, in case a both objects have identical origin. 
Fixes Issue 2021
 2018-12-22 10:59:00 -08:00
erwincoumans
9c4136da16 Merge branch 'master' of https://github.com/erwincoumans/bullet3 2018-12-19 20:15:40 -08:00
erwincoumans
8e8c3fb315 few fixes in inverse dynamics 2018-12-19 20:15:30 -08:00
erwincoumans
4a66d6c80b Merge pull request #2016 from GaborPuhr/Fix-for-#2000 
Fix for #2000
 2018-12-04 12:14:57 -08:00
Erwin Coumans
74223ced56 disable per-thread tsan issue, todo: checkout why it fails 2018-12-04 20:00:05 +01:00
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
erwincoumans
49c8e738a4 propagate resultOut->m_closestPointDistanceThreshold properly for convex-convex (capsule, sphere) and convex vs plane 2018-11-27 17:31:18 -08:00
Erwin Coumans
ecfe8de506 first part of adding spherical joint support in BulletInverseDynamics 2018-11-27 16:30:58 -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
Erwin Coumans
5bdfece800 Merge remote-tracking branch 'bp/master' 2018-11-21 16:44:04 -08:00
erwincoumans
121cdc91b0 more work on PyBullet implementation of DeepMimic humanoid mimic of motion capture. 
b3Quaternion, deal with zero-length axis (in axis,angle constructor)
 2018-11-21 11:09:10 -08:00
stolk
5dfcbe9a33 Fix issue #2000 of oscillating constraints. 2018-11-20 10:46:27 -08:00
erwincoumans
f2a98777e7 Merge pull request #1994 from erwincoumans/master 
Preparation to replicate parts of DeepMimic in plain PyBullet
 2018-11-17 17:53:50 -08:00
erwincoumans
9e99f5cdbc Expose PyBullet.calculateVelocityQuaternion, getAxisAngleFromQuaternion, getQuaternionFromAxisAngle, getDifferenceQuaternion 
Add preparation for DeepMimic humanoid environment, replicating parts of https://github.com/xbpeng/DeepMimic
Loading humanoid.urdf and applying motion action: examples/pybullet/gym/pybullet_envs/mimic/humanoid.py
Loading MotionCapture data: examples/pybullet/gym/pybullet_envs/mimic/motion_capture_data.py
Little test: examples/pybullet/gym/pybullet_envs/mimic/humanoid_test.py
 2018-11-16 17:29:03 -08:00
stolk
b39f47eab1 Change confusing variable name in btDiscreteDynamicsWorldMT API. 2018-11-15 14:48:43 -08:00