chenlin/Mujoco_WASM
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fb84ee4e177896f4e00b547addffcc9cb6136caa
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4 Commits

Author SHA1 Message Date
Alessio Quaglino 7cdf180641 Introduce trilinear flex parametrization. 
These flexes use only 24 DOFs (3 per vertex of the bounding box), while colliding with the full high resolution mesh.

On an 8x8x8 cube, the performance using DOFs at all vertices is

```
 Simulation time      : 18.74 s
 Steps per second     : 533
 Realtime factor      : 0.53 x
 Time per step        : 1874.4 µs

 Contacts per step    : 114.88
 Constraints per step : 3322.51
 Degrees of freedom   : 1536
```

With the new implementation, it is the following:

```
 Simulation time      : 1.82 s
 Steps per second     : 5507
 Realtime factor      : 5.51 x
 Time per step        : 181.6 µs

 Contacts per step    : 38.84
 Constraints per step : 155.36
 Degrees of freedom   : 24
```

PiperOrigin-RevId: 721008829
Change-Id: I833df027527db578d86667cc4b24295bcf6f7d22
 2025-01-29 09:38:22 -08:00
Alessio Quaglino ee6f4837f3 Auto-generate 3D mesh from convex OBJ if dim=3 in flex. 
This requires the user to explicitly specify an origin.

PiperOrigin-RevId: 712483526
Change-Id: Ie316a5eccb676bb918d4bb746795019145c10f5b
 2025-01-06 04:35:59 -08:00
Alessio Quaglino 300450f8b8 Add circle to flexcomp and remove rope and loop from composite. 
Add pulley example to show a circle use case.

Switch on flex edge rendering by default (no effect when flex skin is rendered).

PiperOrigin-RevId: 700738379
Change-Id: I8469bbf194de01c8dab66c9a51c49879013df141
 2024-11-27 10:14:25 -08:00
Alessio Quaglino 4998e7b392 Move flex damping to the engine and remove membrane and solid plugins. 
PiperOrigin-RevId: 676434954
Change-Id: I24e8dbaa90afcffd613a9cf106ef8b7262195328
 2024-09-19 09:01:30 -07:00