Commit Graph

832 Commits

Author SHA1 Message Date
Yuval Tassa 2f28473bc1 Remove transposed Jacobian fields from mjData
No longer computed unconditionally, only ad-hoc where required.

PiperOrigin-RevId: 797753297
Change-Id: I2030fc342c98ff33575b0526dd72e2110c4fcb74
2025-08-21 07:21:24 -07:00
Yuval Tassa f71053243e Replace std::array with C-style array for error buffer in GJK tests.
PiperOrigin-RevId: 797730796
Change-Id: I228c58e163c8c6d1426a88c1a6f447c4a56a34e6
2025-08-21 06:03:53 -07:00
Yuval Tassa 174a50442d Allow transposing of sparse sub-matrices whose first row is > 0
PiperOrigin-RevId: 797728559
Change-Id: I3c825118dae198333d357d2e4f248d00b0f5d8ce
2025-08-21 05:56:33 -07:00
Alessio Quaglino b66175eba6 Bending stiffness for curved shells in flex.
PiperOrigin-RevId: 796361841
Change-Id: I105ea235fe2a8e1bcbde67276d77fa92eed214a1
2025-08-18 04:13:18 -07:00
Yuval Tassa 972ffd7b90 Improve mj_fullM documentation, add clarifying test.
PiperOrigin-RevId: 796134559
Change-Id: I85ab3680d3545ccf83d0d3af8a7c21cb36e96d4e
2025-08-17 11:02:14 -07:00
Yuval Tassa 1447711037 Rename spec to sig in state-related API functions.
(to avoid confusion with mjSpec)

PiperOrigin-RevId: 795848898
Change-Id: I0b64eb85f5c7a3ee889a746c751d9f5561650277
2025-08-16 08:38:25 -07:00
Yuval Tassa 5a24eb2d34 Add error reporting to model loading in engine tests, where missing
PiperOrigin-RevId: 795844607
Change-Id: I4163c53c05796c2e3036af28a98f58c15bb1c99c
2025-08-16 08:11:49 -07:00
Yuval Tassa bbb70d98a4 Add utility functions for mapping between sparse matrix patterns.
PiperOrigin-RevId: 795543910
Change-Id: I92be3afc3cd90020027737fffdba18c45e25f825
2025-08-15 11:22:35 -07:00
Yuval Tassa b566ef2883 Ignore geoms with tiny mass in inertiafromgeom computation. Fixes #2754
PiperOrigin-RevId: 795475978
Change-Id: I02b5db9e2ac7ec556cb0a0ec6dbe4214ba9128d7
2025-08-15 07:57:02 -07:00
Yuval Tassa 977f94e9df Delete sparsity structures from mjData, use the ones in mjModel
PiperOrigin-RevId: 795067950
Change-Id: If4f52e40ac49f7c6986b33ef9c8b534199dfd21a
2025-08-14 09:13:02 -07:00
Yuval Tassa f077fd00a9 Compute sparse matrix sizes before making the mjModel in the compiler.
PiperOrigin-RevId: 794998215
Change-Id: Ib7d0a2479b18cc8b3168c0656d3c4be0eff43a0f
2025-08-14 05:51:17 -07:00
Alessio Quaglino 840108cf7c Refactor octree in preparation for continuous interpolation.
PiperOrigin-RevId: 792092644
Change-Id: I096ca0989210a00ae0b4556498d96212755d23c7
2025-08-07 04:06:03 -07:00
Yuval Tassa fde479736e Finalize built-in mesh example model and documentation
PiperOrigin-RevId: 791227350
Change-Id: Ibdcdb8a4ee5b3f78c9ae93e1db2a9a2f9d55a80c
2025-08-05 08:32:51 -07:00
Yuval Tassa 705ec6d7fb Adds built-in superellipsoid mesh.
PiperOrigin-RevId: 791196831
Change-Id: I1d864f6e620870f016377a4d9e2e26d1a23fd77e
2025-08-05 07:02:52 -07:00
Yuval Tassa a5d4d1000e Add built-in supertoroid mesh.
PiperOrigin-RevId: 791180080
Change-Id: I3a70f50ff4a52a1bd4b88fc30334a574895145b4
2025-08-05 06:06:43 -07:00
Yuval Tassa 996f0040fd Add built-in sphere mesh.
PiperOrigin-RevId: 791162850
Change-Id: I573a414727e79f1a495e0f2282b2faff48ab3443
2025-08-05 05:05:05 -07:00
Yuval Tassa 5220767457 Add built-in hemisphere mesh.
PiperOrigin-RevId: 791148546
Change-Id: Ic9ff0c9b0f5fa4fd22d5f7f848f150cf74d378ba
2025-08-05 04:16:24 -07:00
Yuval Tassa a5a6379f83 Add built-in cone mesh type.
Also delete `prism` type since it is subsumed by cone.

PiperOrigin-RevId: 790992343
Change-Id: I7a9c6f2a4377489173acd64b23086c748d2cee8e
2025-08-04 19:35:32 -07:00
Yuval Tassa 7b9f5bdae7 Fix bug in raycast to hfield. Fixes #2765
PiperOrigin-RevId: 790784429
Change-Id: Ib2319722796ed510afed960bbf5cebc86cf185a9
2025-08-04 09:40:59 -07:00
Kyle Bayes f2a2afeb03 Fix address bug in meshEdgeNormals in doing edge multiccd with meshes.
PiperOrigin-RevId: 790731924
Change-Id: Ia475b1f01731518166f229c25ebffd1fbf7c7939
2025-08-04 07:03:14 -07:00
Alessio Quaglino 7baaa39846 Add SDF geom to test/testdata/model.xml.
Also, when a mesh has both an octree and a bvh, render only the octree.

PiperOrigin-RevId: 790680831
Change-Id: Iaf3896933f6728af4db1eaa83ff5b06558ab0d19
2025-08-04 03:53:51 -07:00
Sam Haves 4c288c19ac Remove physics schema authoring toggle from MJCF SdfFileFormat plugin.
PiperOrigin-RevId: 789321573
Change-Id: Ib29bb426f8598a58f7b34c048b154fa8ada589ef
2025-07-31 07:07:18 -07:00
Sam Haves b5368a3385 Add displayColor authoring to site geometry when converting MJCF to USD.
PiperOrigin-RevId: 789311878
Change-Id: I70027cd5d8d02f4ee26043f3b9fb03311e38984b
2025-07-31 06:28:42 -07:00
Alessio Quaglino 51babec9c5 Move tactile sensor to the engine.
PiperOrigin-RevId: 788863133
Change-Id: I3172ebb7641fa8146469da25cba7db794760e7b1
2025-07-30 05:27:44 -07:00
Alessio Quaglino 89f4789085 Add mjs_makeMesh to create a builtin mesh.
PiperOrigin-RevId: 788538127
Change-Id: I999733399a1a0da07b0f915f34d31364ab8b3b52
2025-07-29 11:31:18 -07:00
Yuval Tassa a771fc6c09 Increase mjNSENS to 3
PiperOrigin-RevId: 788468705
Change-Id: Id22f131bebb6accc9a29c9aa285efa75fa8b2c16
2025-07-29 08:38:13 -07:00
Baruch Tabanpour 3434f5d9c7 Compute convex hull for collision pairs.
build / windows-2025 (push) Has been cancelled
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PiperOrigin-RevId: 788074030
Change-Id: I3d4bbe71f824db82e998e374d95a5c49995af806
2025-07-28 10:49:50 -07:00
Sam Haves 541c56b46f Create mjcPhysics ImageableAPI for visual, non physical visual entities.
PiperOrigin-RevId: 786366034
Change-Id: Ifb72d2daf8f5963bb7007dda1685da94b456ff41
2025-07-23 11:48:17 -07:00
Sam Haves 6144a508b5 In Mujoco USD interop, only consider dynamic friction when writing to and parsing from USD.
PiperOrigin-RevId: 783741987
Change-Id: I23c47a6e95c160c5c7d5c513e268c79e4236e2e4
2025-07-16 07:00:18 -07:00
Sam Haves ac0701d582 Add mujoco compiler settings to MjcSceneAPI in mjcPhysics.
PiperOrigin-RevId: 783729333
Change-Id: Ic1c3e4fb47a901de4eebdc2e987d276f4202d9ed
2025-07-16 06:09:36 -07:00
Sam Haves cdf5bcb693 Add inheritrange attribute to mjcPhysics MjcActuator
PiperOrigin-RevId: 783363012
Change-Id: I7d0476aae70c3acc3ed4808a8741b7eb12948dba
2025-07-15 09:30:16 -07:00
Yuval Tassa 576a34bcf2 Add netforce reduction to contact sensor.
PiperOrigin-RevId: 783020713
Change-Id: I0d11ccc4e1fd16d07e6f116d64a26485346d9cf1
2025-07-14 13:27:43 -07:00
Yuval Tassa d0e4771c8c Add contact sensor.
PiperOrigin-RevId: 783011982
Change-Id: Ica56fe9d520fa1d1ee7338e09148b1a55a049912
2025-07-14 13:03:35 -07:00
Sam Haves e441868dad Add missing attributes to MjcCollisionAPI USD schema.
PiperOrigin-RevId: 783006362
Change-Id: I02d51190d62bb9460863025cd16360427afc70c4
2025-07-14 12:47:24 -07:00
Yuval Tassa ef013a0633 Add mjPARTIAL_SORT macro to engine_sort.h
PiperOrigin-RevId: 782999687
Change-Id: I986aec0e1faedae90f1891b5f3233d5262d167f3
2025-07-14 12:26:36 -07:00
Alessio Quaglino 6e7aaacb85 Do not rely on global object lists in mjCBody::NextChild().
PiperOrigin-RevId: 782963753
Change-Id: I0afecbab4b7796f077963ba66eb7140d8f83ad89
2025-07-14 10:47:45 -07:00
Sam Haves 92bcbeb5d3 Add support for UsdPhysicsMaterialAPI and create MjcMaterialAPI for missing attributes.
PiperOrigin-RevId: 782942169
Change-Id: I344b5e47d1d63c9d4e50173cb6a96d0af177ec9e
2025-07-14 09:53:13 -07:00
Sam Haves 11e695b4c2 Rename MjcTransmission to MjcActuator in mjcPhysics schema.
PiperOrigin-RevId: 782352356
Change-Id: I4b74e3131b0fed925c506742c22038231f848909
2025-07-12 09:39:01 -07:00
Sam Haves 3473e4e451 Add group support to mjcPhysics equivalents for sites, geoms, actuators, and joints.
PiperOrigin-RevId: 781945497
Change-Id: I5c409f05e6bae33c181a51c273f260daea6004fc
2025-07-11 05:37:41 -07:00
Yuval Tassa 365cac49f8 Add benchmarks for mjSORT macro.
PiperOrigin-RevId: 781555531
Change-Id: Ia33b5512fbf65b08931037859d8c6062b018d760
2025-07-10 09:00:46 -07:00
Sam Haves fbea72d767 Remove MjcActuatorAPI in favor of typed MjcTransmission.
PiperOrigin-RevId: 781498554
Change-Id: Ib6ce5038645f6ca08638a9d316b0347dc121bc62
2025-07-10 05:58:58 -07:00
Sam Haves e7212d86bc Add maxhullvert attribute to mjcPhysics MeshCollisionAPI.
PiperOrigin-RevId: 781482346
Change-Id: I0d53f9ad99ac842629243b0375907b2f91bd3b61
2025-07-10 04:59:18 -07:00
Alessio Quaglino cef02fabea Remove sdflib plugin and move interpolation to engine_collision_sdf.
Before:
```
 Simulation time      : 1.71 s
 Steps per second     : 5854
 Realtime factor      : 11.71 x
 Time per step        : 170.8 µs

 Newton iters / step  : 2.19
 Contacts / step      : 3.45
 Constraints / step   : 13.79
 Degrees of freedom   : 12
 Dynamic memory usage : 0.2% of 14M
```

After:
```
 Simulation time      : 1.41 s
 Steps per second     : 7093
 Realtime factor      : 14.19 x
 Time per step        : 141.0 µs

 Newton iters / step  : 2.19
 Contacts / step      : 3.45
 Constraints / step   : 13.79
 Degrees of freedom   : 12
 Dynamic memory usage : 0.2% of 14M
```

PiperOrigin-RevId: 781087896
Change-Id: Iaf69dccc5e95af5bac862344683c74f962162186
2025-07-09 09:29:47 -07:00
Yuval Tassa a3d251f552 Add mjModel.sensor_intprm, integer parameters of sensors
PiperOrigin-RevId: 781053754
Change-Id: I90e5ef1cab3f87b894dbc70dccfc8bf0046ce1b6
2025-07-09 08:00:21 -07:00
Yuval Tassa e6c5715903 Add insidesite sensor for detecting when an object is inside the volume of a site.
PiperOrigin-RevId: 780993257
Change-Id: I2dcfc840d222680adc3b934344a0819f4d78b6eb
2025-07-09 04:56:42 -07:00
Sam Haves 14972d2490 Add mj_loadUSD function. Change simulate to use that instead of manual spec compilation.
PiperOrigin-RevId: 780608874
Change-Id: I333238c756fe76b371518a7cdf9452b93da3540a
2025-07-08 10:04:08 -07:00
Sam Haves be3c3ef8a9 Add missing gravity attribute authoring to Mjcf SdfFileFormat plugin.
PiperOrigin-RevId: 779239797
Change-Id: I039b1089e5b436498d14df384c1aee830fd4b48a
2025-07-04 11:25:49 -07:00
Robin Alazard e69b6cc5f3 Fix wrong extent authoring for Cube.
PiperOrigin-RevId: 779230125
Change-Id: I96c3d5daa7a760cd87a714a14ea74a15faf3d7db
2025-07-04 10:39:32 -07:00
Robin Alazard 21a852504c Make sure we never apply the ArticulationRoot API more than once.
PiperOrigin-RevId: 779185190
Change-Id: If441d0e2ba24191883839977b46864db2b4b8204
2025-07-04 07:36:05 -07:00
Alessio Quaglino af7d20c035 Change mjs_nextChild to be DFS to match XML parsing.
PiperOrigin-RevId: 778915232
Change-Id: I5e290f47b7d2530597bb6c85b66ff2ae807e5510
2025-07-03 10:07:13 -07:00