Commit Graph

3555 Commits

Author SHA1 Message Date
jingyuc
e70fc6453b add support for initial rotation 2021-09-02 21:32:16 -04:00
jingyuc
93e00054e3 set up reduced grasping example 2021-09-02 13:35:14 -04:00
jingyuc
c2601663e4 debugging moving rigid vs reduced deformable contact 2021-09-01 16:36:52 -04:00
jingyuc
634c8b7b38
Merge branch 'bulletphysics:master' into master 2021-08-31 20:16:15 -04:00
jingyuc
42fac2e364 fixed a minor issue: disable deactivation for the reduced collision example 2021-08-31 01:33:38 -04:00
erwincoumans
31b8841efc
Merge pull request #3948 from erwincoumans/master
add low-resolution Laikago (for faster rendering in CPU renderer) and cleanup sdf files
2021-08-30 13:01:15 -07:00
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
jingyuc
b1803afbb9 collision with moving rigid body seems to be working. checking why there is side motion 2021-08-30 13:19:33 -04:00
erwincoumans
5ec0820c0e
Merge pull request #3920 from araffin/feat/sb3
Migrate to Stable-Baselines3
2021-08-29 15:01:27 -07:00
jingyuc
3e76b11d46 add check for momentum conservation 2021-08-26 13:41:26 -04:00
jingyuc
f26e3d133d set up the reduced vs rigid collision example 2021-08-26 12:47:09 -04:00
jingyuc
6a87310d3c friction is working now 2021-08-25 16:38:57 -04:00
jingyuc
52abe35e41 friction seems to be working. However, when the block is only sliding on the surface, there is no friction because no delta normal impulse...need to think 2021-08-25 00:38:29 -04:00
jingyuc
c735830f0a more stable rigid contact 2021-08-24 15:08:57 -04:00
jingyuc
840db372b9 delta impulse version is working 2021-08-24 00:40:27 -04:00
jingyuc
d9152b9cf5 WIP warm starting 2021-08-23 01:17:58 -04:00
jingyuc
368385d5ad need to project the impulse on the normal to prevent sliding 2021-08-21 15:54:34 -04:00
Chuyuan Fu
e16c9bb1cc implement request deformable contact info 2021-08-18 18:48:35 -07:00
jingyuc
70ec2f9d46 use the correct relative position to apply the impulse 2021-08-18 16:24:46 -04:00
jingyuc
0444fea9eb collision impulse starts to look reasonable, but the motion is still strange. 2021-08-18 14:31:59 -04:00
erwin coumans
7ac95be8cd add training and run/eval scripts to train envs_v2 Laikago pmtg 2021-08-17 08:56:30 -07:00
jingyuc
eacdbe67a0 reduced velocity should be updated from i-th iteration instead of from the predicted state, because thexternal force has no memory of the previous iteration 2021-08-16 14:36:35 -04:00
jingyuc
9a17391a9a modified the code. explicit time stepping should only be implicit in velocity 2021-08-13 16:34:34 -04:00
jingyuc
35f7a1a569 add new reduced deformable contact constraint class. able to call the reduced soft body's apply impulse function 2021-08-12 12:31:44 -04:00
jingyuc
e4e8f1ad93 add tree updates in predict motion. 2021-08-11 15:58:40 -04:00
jingyuc
6355b06a8b use deformable contact detection for the reduced deformable model 2021-08-10 16:31:53 -04:00
jyc-n
3425c01acc created new free fall example. WIP 2021-08-09 16:26:17 -04:00
jyc-n
042a1f75c9 clean up 2021-08-09 14:54:58 -04:00
jingyuc
a56ce358f3 reduced dofs and interpolated transform needs to be updated from the time_n states in the iteration 2021-08-09 12:43:59 -04:00
jingyuc
0acf18f246 need to update the rigid frame every time when the impulse is applied. reduced external force needs to be zeroed in every iteration. 2021-08-09 11:23:52 -04:00
jingyuc
4f66d8bb87 update reduced variables and full space position every time applied the force 2021-08-06 17:10:58 -04:00
jingyuc
32398d4d7f multiple fixed nodes seem okay 2021-08-05 00:00:12 -04:00
jingyuc
fdfb08b72f single fixed constraint for the rigid frame is working 2021-08-04 22:44:53 -04:00
erwin coumans
e399944982 add simplified Laikago model for faster CPU rendering (getCameraImage in direct mode using TinyRenderer) 2021-08-03 13:26:39 -07:00
jingyuc
35ec8b39a7 re-work the external force application. clean up position and velocity update 2021-08-02 11:31:09 -04:00
jingyuc
a37d23fa24 re-work the simulation time loop in order to support fixed constraints. still wip 2021-07-30 02:08:27 -04:00
jingyuc
5d17353269 add rigidTransformWorld to make the rendering works after applying initial translation. Center of mass looks right. Tested with rotating free fall 2021-07-29 11:45:44 -04:00
Antonin Raffin
13f3778c22 Fix SB3 comment 2021-07-29 15:24:46 +02:00
Antonin Raffin
2f8b44c702 Migrate to Stable-Baselines3 2021-07-29 15:21:49 +02:00
jingyuc
c6c7533167 fixed constraints wip 2021-07-28 16:36:15 -04:00
jingyuc
549b57df77 clean up 2021-07-28 14:36:42 -04:00
jingyuc
6c2023e330 add mode visualizer example. 2021-07-28 12:34:01 -04:00
jyc-n
bfa74dbacd initial translation WIP 2021-07-28 00:03:51 -04:00
jingyuc
67b58428e8 clean up. now the inertia tensor is calculated based on geometry, and it is updated everytime step 2021-07-27 15:59:25 -04:00
jyc-n
0983d36eff rotation is working 2021-07-26 21:48:57 -04:00
jyc-n
7678545e76 clean up initialzation 2021-07-26 15:30:35 -04:00
jingyuc
9baee29300 simple rigid translation is working. 2021-07-26 11:28:37 -04:00
jingyuc
6f3dd32f37 add new btReducedSoftBody and btReduceDeformableSolver class 2021-07-23 16:20:09 -04:00
jyc-n
87e20f450b save files. misc 2021-07-22 21:55:34 -04:00
jyc-n
c325da8b34 add new ReducedSoftBody class. move read files functions to btReducedSoftBodyHelpers 2021-07-22 11:43:26 -04:00