Because we introduce an additional parent scope when referencing a `Mesh` prim (required for instancing), we need to create an `over` prim that allows to actually operate on the to-be-referenced Mesh.
PiperOrigin-RevId: 753941355
Change-Id: I829be9e82fe650802afcbc46f4b2f4c81eb53bd1
Adds primvar:displayColor/primvar:displayOpacity to the geom prim if its rgba attribute differs from the default (0.5, 0.5, 0.5, 1.0). This sets the color and opacity directly on the prim with no need for an external material, making it consistent with how rgba is used in mujoco.
PiperOrigin-RevId: 751013128
Change-Id: I059943ec5b266e62c3696d9a0ac4f2033db9e07f
The SDF_FORMAT_ARGS `usdMjcfToggleUsdPhysics` is introduced to toggle writing UsdPhysics or not when converting. Off by default
PiperOrigin-RevId: 746467942
Change-Id: I26cb9a4c4ae2eef96163dab967a74f14940a2a6d
We will still need to tag these with a custom API schema to ease round-tripping but that will follow creation of such a schema.
PiperOrigin-RevId: 746421793
Change-Id: I2df2209b4bc90d763718fb4bea8158b8598755c6
Robin Alazard