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Alessio Quaglino 6c7ed66781 Implement multi-cell finite element method for interpolated flexes.

This change introduces a `flex_cellcount` field to `mjModel` to specify the number of cells in each dimension for interpolated flexes. The stiffness computation, passive force calculation, and Jacobian derivatives are updated to operate on a per-cell basis, significantly improving performance by localizing computations to the nodes within each cell.

PiperOrigin-RevId: 901216393
Change-Id: Ic23132e609de11e71bb7fef8d1f139daad2ec264

2026-04-17 04:13:19 -07:00

Editor

Update MuJoCo version to 3.7.1 following the 3.7.0 release

2026-04-14 16:49:03 -07:00

Runtime

Implement multi-cell finite element method for interpolated flexes.

2026-04-17 04:13:19 -07:00

Tests

Update relevant test for passive spring/damper settings

2026-03-12 16:32:41 +00:00

CHANGELOG.md

Adding a note about the locale fix in the Unity CHANGELOG.

2022-03-17 14:30:28 +00:00

CHANGELOG.md.meta

Initial release of the Unity plugin.

2022-02-02 20:44:39 +00:00

Editor.meta

Initial release of the Unity plugin.

2022-02-02 20:44:39 +00:00

package.json

Update MuJoCo version to 3.7.1 following the 3.7.0 release

2026-04-14 16:49:03 -07:00

package.json.meta

Initial release of the Unity plugin.

2022-02-02 20:44:39 +00:00

README.md

Initial release of the Unity plugin.

2022-02-02 20:44:39 +00:00

README.md.meta

Initial release of the Unity plugin.

2022-02-02 20:44:39 +00:00

Runtime.meta

Initial release of the Unity plugin.

2022-02-02 20:44:39 +00:00

Tests.meta

Initial release of the Unity plugin.

2022-02-02 20:44:39 +00:00

README.md

Unity Plug-in

The MuJoCo Unity plug-in allows the Unity Editor and runtime to use the MuJoCo physics engine. Users can import MJCF files and edit the models in the Editor. The plug-in relies on Unity for most aspects -- assets, game logic, simulation time -- but uses MuJoCo to determine how objects move, giving the designer access to MuJoCo's full API. See documentation and installation instructions here.