Commit Graph

327 Commits

Author SHA1 Message Date
erwincoumans
4fbecfeddc Revert "Revert "Reduced Deformable Model"" 2022-03-07 16:35:07 -08:00
erwincoumans
3df6e1a721 Revert "Reduced Deformable Model" 2022-03-07 15:38:32 -08:00
jingyuc
4634077733 debug setup again 2021-12-02 11:51:00 -05:00
jingyuc
96605f7a8c Fixed a bug in btReducedSoftBody::transform(): the mesh was rotated/translated incorrectly using btSoftBody::transform(). Now works for mesh whose CoM is not at (0,0,0) 2021-11-29 15:58:33 -05:00
jingyuc
6fb7bd9a94 add visual mesh support for the reduced deformable model 2021-11-24 11:41:11 -05:00
jingyuc
8efd0296ab test full deform 2021-11-23 17:07:41 -05:00
jingyuc
bc8adf7bd1 clean up urdf mesh input names 2021-11-22 13:26:46 -05:00
jingyuc
0279a5a500 add reduced deformable torus. minor clean up in btReducedSoftBodyHelpers 2021-11-17 01:09:18 -05:00
jingyuc
8c118515b8 Now only reduced deformable files in bullet3/data/ folder 2021-11-17 00:50:45 -05:00
jingyuc
c2072b5538 add mass scaling for reduced deformable model 2021-11-11 12:27:36 -05:00
jingyuc
7fafbd7718 reduced deformable is now working with pybullet 2021-11-05 18:02:15 -04:00
jingyuc
e386b55543 add reduced deformable urdf parser 2021-11-04 16:12:08 -04:00
jingyuc
88863f92eb made a copy of reduced deformable files, and add a urdf for the reduced cube 2021-10-28 01:10:41 -04:00
Erwin Coumans
68424feb2d don't use empty frame for pose in sdf files
use hint for clang that if (0) is intentional
2021-08-30 19:40:20 +00:00
Erwin Coumans
1452cae641 * add textured models of ball.vtk (obj/mtl) and torus (obj/mtl) and cloth.
1) allow to render deformables in 'getCameraImage', for TinyRenderer (tested OK) and EGL (untested)
2) allow to have textures for deformables. See deformable_ball.py, deformable_anchor.py and deformable_torus.py for examples
3) deformables: allow to request simulation mesh data (even if there is a render mesh) See deformable_anchor.py for an example usage
   data = p.getMeshData(clothId, -1, flags=p.MESH_DATA_SIMULATION_MESH)
4) fix deletion of deformables, thanks to Fychuyan, https://github.com/bulletphysics/bullet3/pull/3048
5) allow to enable and disable double-sided rendering, p.changeVisualShape(objectUid, linkIndex, flags=p.VISUAL_SHAPE_DOUBLE_SIDED)
6) fix GripperGraspExample, model not found
7) Fix deformable anchor not attaching to multibody with object unique id of 0
8) Fix issue with assignment of unique ids in TinyRenderer/EGL renderer (always use broadphase uid)
9) Avoid crash/issue of simulation with pinned vertices (mass 0) in btDeformableBackwardEulerObjective::applyExplicitForce
10) Store uv/normal in btSoftBody::RenderNode to allow textured meshes
11) (uncomment in btSoftBodyHelpers.cpp): dump vertices and indices in obj wavefront format, when loading a VTK file, for quicker creation of a (textured) surface mesh
12) allow interpolateRenderMesh also for old position-based soft bodies (not only the shiny new FEM deformables)
13) fix a few premake targets
14) update build_visual_studio_vr_pybullet_double_cmake.bat so it suits c:\python37 and installs locally
    for local install of Bullet, see also this example https://github.com/erwincoumans/hello_bullet_cmake
2020-09-12 01:03:04 -07:00
erwincoumans
d1505e187a Merge pull request #2950 from DarioUrbina/develop_dario
Inverted Pendulum Actuated by Tendons
2020-08-07 09:30:32 -07:00
Xuchen Han
eef0d647cd Tune parameters to effectively reduce the stiffness of the picking force. 2020-08-03 23:05:08 -07:00
Darío Urbina
370b2f72ff valerolab 2020-07-23 09:32:46 -07:00
Darío Urbina
5081ac5b34 Inverted Pendulum Tendon Actutation 2020-07-22 11:19:10 -07:00
erwincoumans
5233b72160 Merge pull request #2800 from xhan0619/splitImpulseMulti
Stability improvements for deformable.
2020-05-21 09:47:33 -07:00
Erwin Coumans
8d884757d1 bump up pybullet version to 2.7.8 2020-05-17 19:39:38 -07:00
Xuchen Han
fb751361a6 tune deformable_torus.py so the tori don't sink into each other 2020-05-11 18:51:32 -07:00
Xuchen Han
5f1260199a set appropriate repulsion stiffness for pybullet torus demo 2020-04-27 20:05:16 -07:00
Chuyuan Fu
c4d45a0be2 add deformable in urdf 2020-04-02 09:25:31 -07:00
Erwin Coumans
2d5e8ea1f3 convert upper/lower limits in urdfEditor.py 2020-03-13 20:49:39 -07:00
Erwin Coumans
6afa0a463d unsupported: expose collisionMargin to changeDynamics/getDynamicsInfo.
add cube_convex.urdf for testing this collisionMargin. Test script:
import pybullet as p
import time
p.connect(p.GUI)
plane = p.loadURDF("plane_implicit.urdf")
cube = p.loadURDF("cube_convex.urdf",[0,0,1])
p.setGravity(0,0,-10)
while (1):
	p.stepSimulation()
	pts = p.getContactPoints()
	p.changeDynamics(plane,-1,collisionMargin=0.3)
	p.changeDynamics(cube,-1,collisionMargin=0.3)
	print("===================")
	print("cube pos=", p.getBasePositionAndOrientation(cube)[0])
	print("margin=", p.getDynamicsInfo(plane,-1)[11])
	#time.sleep(1./10.)
2020-02-14 17:36:40 -08:00
Tigran Gasparian
68d3fb28e0 Adds support for loading user data from URDF files. 2020-01-17 11:55:42 +01:00
Erwin Coumans
b6dea7ba64 fix a few pybullet Gym environments for rendering in stable_baselines
if PYBULLET_EGL environment is set, try to enable EGL for faster rendering
bump up pybullet to 2.6.2
2020-01-01 18:47:46 -08:00
Erwin Coumans
96deb42aa5 pybullet.createSoftBodyAnchor 2019-11-19 19:20:08 -08:00
Erwin Coumans
e9117dc195 fix colors in URDF file 2019-11-08 14:28:11 -08:00
Xuchen Han
27bf4d3372 new vtk mesh 2019-09-28 14:43:40 -07:00
Xuchen Han
7d1b93cc17 contact solve for newton 2019-09-04 18:48:00 -07:00
Xuchen Han
991be52681 add more volumetric meshes for grasping tests 2019-08-16 13:45:29 -07:00
Erwin Coumans
36f3adc03f copy/move heightfield files around (part of pybullet_data)
prepare for heightfield support in pybullet (first step, needs a bit more)
2019-07-25 13:01:26 -07:00
Erwin Coumans
ebde9926a8 add example loading heightfield from image and csv, using assets from DeepLoco (thanks to Jason Peng) and
from this Blender tutorial https://www.beamng.com/threads/tutorial-adding-heightmap-roads-using-blender.16356/
2019-07-23 11:26:31 -07:00
Steven
de16c23209 commit the ABA comparison test between the RBDL and Bullet, and use the option BULLET_BUILD_RBDL_COMPARE_TEST to control if build it.
it is disabled by default.
2019-07-02 15:35:33 +08:00
Erwin Coumans
ef9570c315 add yapf style and apply yapf to format all Python files
This recreates pull request #2192
2019-04-27 07:31:15 -07:00
Chuyuan Fu
2fb12400ac Add urdf file for examples/BulletRobotics/JointLimit.cpp 2019-03-07 17:29:36 -08:00
Erwin Coumans
0e4d6b0376 tweak premake files for ExampleBrowser, allow non-GUI mode for humanoidMotionCapture 2019-01-28 07:35:57 -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
Erwin Coumans
9e58a21732 more aesthetic wireframe, pure visual improvement (no impact on simulation/performance)
fixes https://github.com/bulletphysics/bullet3/issues/1970
Issue 1970
2018-10-31 21:50:49 -07:00
Erwin Coumans
624212c641 add humanoid.urdf, converted from mjcf using pybullet_utils.urdfEditor.UrdfEditor() 2018-10-31 09:17:58 -07:00
erwincoumans
b5e475aec3 enable planar reflection in MinitaurGymEnv
enable follow cam in other Gym locomotion environments
add testing assets for multi-material obj files -> sdf conversion.
Also use ER_NO_SEGMENTATION_MASK flag for TinyRenderer/EGL plugin renderer
2018-10-14 15:10:19 -07:00
Erwin Coumans
74fca2418b fix egl plugin build, with fileIO changes 2018-10-09 08:00:31 -07:00
Erwin Coumans
8a0d96edce tweaks in pybullet/examples for Mac OSX 2018-10-05 19:40:52 -07:00
Erwin Coumans
cd2f111a10 update pybullet version, include *.* from OpenGLWindow 2018-09-25 17:06:32 -07:00
erwincoumans
9553892770 PyBullet / BulletRobotics:
Implement collisionFilterPlugin, use setCollisionFilterPair to enable or disable collision detection between specific pairs of objects.
Also, expose setCollisionFilterGroupMask as PyBullet API and in urdf using the tag <collision group="1" mask="2"/>.
See examples/pybullet/examples/collisionFilter.py for an example.
PyBullet default: Lower the warmstarting factor, for maximal coordinates rigid bodies for more stable simulation.
Add btCollisionWorld::refreshBroadphaseProxy to easier recreate the broadphase proxy without adding/removing objects to the world.
2018-09-12 19:30:49 -07:00
Garrett Johnson
711b37bea9 Change URDF xml version from "0.0" to "1.0" 2018-08-16 12:44:43 -07:00
Erwin Coumans
d3d0d948cc data: add license files (mostly copied from the URDF files) 2018-08-09 15:50:39 -07:00
erwincoumans
0d8564db22 PyBullet: added preliminary DART and MuJoCo backend files, MuJoCo can loadMJCF, stepSimulation and getBasePositionAndOrientation, DART is empty.
PyBullet: add 2d biped example.,
2018-07-01 14:42:32 -07:00