ec506dbde3
Add support to return variable distances in mjc_ccd. This is a no-op change.
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PiperOrigin-RevId: 965949465
Change-Id: I099fe1b5dfd722958c339429ddffe33fb66759d2
2026-08-17 07:09:07 -07:00
0dac756d53
Initialize height field object in mjc_HFieldElem.
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PiperOrigin-RevId: 962018078
Change-Id: Ibfdbb45110d3406b40b5ddc36da19606bdd4878a
2026-08-10 02:07:19 -07:00
83e621d771
Implement mesh extrema in a 3x3x3 grid corresponding to each feature of a unit cube. These are used as seeds for a better initial point in mesh hill climbing with up to a 2x speedup in mjc_Convex.
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PiperOrigin-RevId: 959645299
Change-Id: I032ae534704e0cc440ddb7691fd21a29a359f521
2026-08-05 07:22:48 -07:00
06f12a9372
Set max in hill climbing support. When imax is the optimal index then this reduces from three iterations down to one.
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PiperOrigin-RevId: 948334160
Change-Id: Ia12fbc853fc65f70c525a617cfdced6e98d30dca
2026-07-15 07:50:52 -07:00
2444defc63
Support arbitrary large meshes in multiccd by reusing EPA memory.
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PiperOrigin-RevId: 947709621
Change-Id: Idc4f168434b9d0a8555c0bed989adb0e99770a78
2026-07-14 08:48:25 -07:00
d9b677b49b
Refactor remaining primitive and convex collision code to use mjPreContact instead of mjContact. Introduce internal struct mjcPair in engine_collision_driver.c for readability and extensibility for flex objects. This is a no-op.
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PiperOrigin-RevId: 933105275
Change-Id: Id862b01774df63dcdb42629a5b7dd12019f12ffd
2026-06-16 08:33:09 -07:00
ad96acfb16
Add internal mj_narrowphase for batch processing of potential geom pair collisions.
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PiperOrigin-RevId: 918988042
Change-Id: I871dcdf42f8105e2c8a57e275a3775ea46c69e65
2026-05-21 05:16:35 -07:00
7174d33f08
Introduce mjPreContact, a minimal struct passed into the collision functions.
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PiperOrigin-RevId: 918533795
Change-Id: I2b5af05c1479b25d5c2cfdc690321a26fce6ede6
2026-05-20 10:47:46 -07:00
6cb6e5a93f
Enable multiccd by default.
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PiperOrigin-RevId: 902752921
Change-Id: I8e2085ff17db0ac0db1641b8837415c458e5eca4
2026-04-20 12:00:10 -07:00
d9b3faf8f4
Remove thread_local EPA data in favor of using mjData stack.
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PiperOrigin-RevId: 900201369
Change-Id: I82fbe9bf0ef9ea117c2124353d876dd42a57fb3a
2026-04-15 09:19:57 -07:00
5c0de1f84d
Remove model and data from ccd object. Each geom gets a copy of pos and mat, which is editable without modifying mjData.
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PiperOrigin-RevId: 888028695
Change-Id: Ic9bbea4bcd7c2dbe62326798eab73d14da0aaa13
2026-03-23 04:51:53 -07:00
88ba8ffdbc
Remove const qualifier on mjData in mjfCollision type as mjData is non-const in mjc_SDF via mjpPlugin.
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PiperOrigin-RevId: 883225786
Change-Id: I5fecaa1d575b340a6510212db7b3e7db48f361cc
2026-03-13 10:21:53 -07:00
a06c091157
Fix repeated call to restrict pointer.
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PiperOrigin-RevId: 877451707
Change-Id: I4849ccb8562ea1926173209da9934c11de64a109
2026-03-02 10:03:19 -08:00
d00ddea269
Merge mjc_ccdIteration into mjc_penetration.
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PiperOrigin-RevId: 877432442
Change-Id: I6bffb36522f9e4f0e7b1023003e70df064e1ebb7
2026-03-02 09:17:56 -08:00
84205f7dd0
Isolate libccd logic in mjc_penetration.
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PiperOrigin-RevId: 875073780
Change-Id: I71bd39695aa667110fffff47f34cd98faa562cc6
2026-02-25 03:53:34 -08:00
1a9ca3239a
Replace comma operator with semi-colon.
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PiperOrigin-RevId: 865353927
Change-Id: I3498d8dc17f96caf8fa1975613ed6a815d2f20e7
2026-02-04 05:14:17 -08:00
a54c9f1d78
Specialized box and capsule collision primitives for stable 2D flex interactions.
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PiperOrigin-RevId: 864500749
Change-Id: I52aed6e29569477a8a0b6b5eb55ad483f1077c0e
2026-02-02 13:36:42 -08:00
600f0f20bc
Introduce private header engine_inline.h exploiting restrict and avoiding loops and copies in some commonly used utility functions.
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PiperOrigin-RevId: 843635464
Change-Id: I3b0553eea98424ccc7def77e3769e2994f3e9014
2025-12-12 04:49:29 -08:00
ae24034f24
Refactor hfield-convex collision code. This should be a no-op.
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PiperOrigin-RevId: 837045492
Change-Id: I82851615c7f69774da83cab361316e5a6e9982c6
2025-11-26 03:26:56 -08:00
a105042734
Tidy up primitive support functions.
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PiperOrigin-RevId: 835329730
Change-Id: I5ad5e85b5e8284bf5e3769ab504686b7859a6ea4
2025-11-21 13:00:49 -08:00
bb488fec29
Remove MPR from comment.
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PiperOrigin-RevId: 835224192
Change-Id: I659231b30d4c00d9bf586f0efdac138331862df7
2025-11-21 07:58:26 -08:00
e18e35f967
Fix normal only for libccd during hfield collisions.
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PiperOrigin-RevId: 833933161
Change-Id: I3a4ff044276d9c7305154da09b440168f0f22305
2025-11-18 12:55:56 -08:00
a168b3ef7f
Refactor hill climbing support function.
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PiperOrigin-RevId: 831754211
Change-Id: I77c89c52fde86183b8e2e61a1fc71764119f208e
2025-11-13 01:47:27 -08:00
edbdb5195c
Change MuJoCo engine source code function-spacing convention from 3 blank lines to 2
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PiperOrigin-RevId: 813754244
Change-Id: I6836e41c3b021cb727e922c25c60f629b9814c93
2025-10-01 07:58:17 -07:00
b9900db00e
Extract memory allocation functions and core utilities
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PiperOrigin-RevId: 801745499
Change-Id: Iaf05c3430769d3115743d8ab020d13148cb2eb59
2025-09-01 03:38:25 -07:00
3283fb8655
Fix sign in cylinder support function.
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PiperOrigin-RevId: 785394029
Change-Id: I010edab0ba8734a9b91626669fa309a0ddb346e5
2025-07-21 05:12:16 -07:00
606f00f802
Remove contact pruning with box-box collisions in nativeccd and add benchmarks.
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PiperOrigin-RevId: 744732382
Change-Id: I2e20b646c541ee99888f1e964302d1b4363b2dc4
2025-04-07 08:34:04 -07:00
12b40b948e
Remove MuJoCo stack calls in nativeccd.
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1. There is now thread local static memory for use with a conservative max number of iterations needed for contact.
2. For possible needs of high precision contact recovery with large iteration numbers (i.e. ellipsoid-ellipsoid collisions), there are callbacks to allocate memory when needed.
PiperOrigin-RevId: 739187134
Change-Id: I3d210f75218922d969c78465da3fe50da4fe3080
2025-03-21 08:20:51 -07:00
ed16f2daf2
Set nativeccd as default.
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PiperOrigin-RevId: 731343200
Change-Id: I315779017b676f3d118e0d38ee53a515272f50b8
2025-02-26 09:15:15 -08:00
fbe0990b17
Fix bugs in nativeccd with collisions with margin.
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PiperOrigin-RevId: 730903745
Change-Id: I45ddb674f32cb1f28ff37c587ea953ec595241b3
2025-02-25 08:51:21 -08:00
ae1c3b7ec0
Support multi-contact with meshes in nativeccd. Contacts are pruned to up to 4 per geom.
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PiperOrigin-RevId: 730457036
Change-Id: Ib2368f3a7def4fdb94673620df3603e372c35745
2025-02-24 08:14:04 -08:00
442b968e22
Improve box-box multicontact with nativeccd.
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PiperOrigin-RevId: 728136635
Change-Id: I2343110e5c87b6621d5750c7ad42f0e75081d737
2025-02-18 03:41:26 -08:00
e3b9538d92
Add saving the indices of mesh vertices with the support points in nativeccd.
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PiperOrigin-RevId: 725660975
Change-Id: I036882a5bde5d009bfa6e66b6a10f6cfb1a78292
2025-02-11 09:28:49 -08:00
aa505a7872
Add support for NativeCCD multiple contacts for box-box collision.
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PiperOrigin-RevId: 718352304
Change-Id: Icaa827e716a2d7aa7c0c644e0ccd2913b476e6fb
2025-01-22 06:02:58 -08:00
a364308d5a
Use GJK to recover contact points for sphere and capsule geoms in nativeccd.
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PiperOrigin-RevId: 704727907
Change-Id: Iff641b6a32637c48e9892dbaa60826617c54ed06
2024-12-10 08:53:27 -08:00
0a0de6615d
Back out of gjkIntersect when convergence fails due to algorithm oscillating between two support points. Also, fix related bug in box support function.
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PiperOrigin-RevId: 696482893
Change-Id: Icedaf5489b761b8bf03ec30558b5d1128668a647
2024-11-14 05:12:32 -08:00
0e8cca93e1
Refactor nativeccd interface.
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- Update mj_ccd interface for multi-contacts,
- Support GJK cutoff distance, and
- Remove mjc_fixNormal from nativeccd (causes bug with cylindar box collisions).
PiperOrigin-RevId: 696185362
Change-Id: I4828b7ee1bde078268220172a4937cd553f6187e
2024-11-13 10:28:45 -08:00
eb77d5b933
Fix bug in mesh hillclimbing support function.
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PiperOrigin-RevId: 695710616
Change-Id: I2127aee584c13efb44d70cc4e267354ca0b80bf0
2024-11-12 06:36:55 -08:00
70d6655434
Add faster support functions for NativeCCD.
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PiperOrigin-RevId: 684809392
Change-Id: I5125d4bb74c167d370aa919befba9d356c7162da
2024-10-11 05:59:30 -07:00
78832db53f
Use designated initializers for mjCCDObj.
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PiperOrigin-RevId: 676794693
Change-Id: Ie8a35415232e8a9f619713763c5d5a37a6f82935
2024-09-20 04:32:10 -07:00
7a92423cf2
Add height fields to list of discrete objects in NativeCCD.
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PiperOrigin-RevId: 676452215
Change-Id: I5d6a0d1e26ee852c774b44f550c1d0531b7a269b
2024-09-19 09:48:41 -07:00
e439b748a4
Replace calls to floor/ceil with mju_floor/mju_ceil.
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PiperOrigin-RevId: 675988982
Change-Id: I5f4d09d957ac7030cd4ce70e72f78dd4f07a6090
2024-09-18 07:49:23 -07:00
317f480224
Properly initialize hfield mjCCDObj for collisions.
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PiperOrigin-RevId: 675580798
Change-Id: I119258c46562f73af4b7a5d100f69d0e52fbe71c
2024-09-17 08:37:59 -07:00
fd17b2144a
Replace double- or single-precision-denominated function calls in the engine with the equivalent mjtNum-denominated calls. This avoids unnecessary casting or precision loss when MuJoCo is compiled for 32-bit float precision. Accordingly, remove #include <math.h> from all engine source files.
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build / windows-2022 (push) Has been cancelled
build / macos-12 (push) Has been cancelled
build / ubuntu-20.04-clang-10 (push) Has been cancelled
build / ubuntu-20.04-clang-11 (push) Has been cancelled
build / ubuntu-20.04-clang-12 (push) Has been cancelled
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Also, minor type-related fixes in `user_mesh.cc`.
PiperOrigin-RevId: 675082329
Change-Id: Icc5eb9f9eb4fbf09b08d7d4b9b2929f414e4a75c
2024-09-16 03:40:17 -07:00
4fc6fb179b
Remove libccd compatibility layer from native ccd.
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PiperOrigin-RevId: 671740643
Change-Id: If3c1097df5c505f70c2dc0c090a7f5a93a43c683
2024-09-06 06:56:01 -07:00
088079eff0
Rename mpr_tolerance and mpr_iterations to ccd_tolerance and ccd_iterations.
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PiperOrigin-RevId: 666438658
Change-Id: I23dbdf939b9ab581f0fca4445f95c5bb36f6b463
2024-08-22 12:01:54 -07:00
0fa39164f7
Speed up mesh support function with warmstarts.
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PiperOrigin-RevId: 664807396
Change-Id: I9124e65efd9140a8e858b7b6be0867c26961477b
2024-08-19 07:54:50 -07:00
0bffd744f9
Add nativeccd flag. When this flag is enabled, general convex collision detection is handled natively, as opposed to using libccd.
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PiperOrigin-RevId: 663859009
Change-Id: Ife18bb1de62f2154e4725fdf764484a18586b836
2024-08-16 14:08:35 -07:00
64575f399b
Add heightfield collision support for GJK + EPA implementation.
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PiperOrigin-RevId: 663321119
Change-Id: I01a85ae15386c997bff4e9c6d71555a4380dfffe
2024-08-15 08:50:09 -07:00
5e39fc0564
Improvements to GJK implementation:
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- Fix various bugs
- Improve readability
- Add support for recovering witness points.
PiperOrigin-RevId: 646515019
Change-Id: I295cf90d885e32013e595ea7aad07ed6c1869239
2024-06-25 10:00:58 -07:00
Kyle Bayes