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Sweep individual section length for each curve.


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Instead of Alembic, I use Carve + Sort to animate cars along paths within for loop .
Works well. But then I tried to randomize vehicle models with one more loop and switch node — I lost my car orientations along the path (from up_vector node). I know that is because of attributes lost but can't wrap my head how to fix it.
If you bypass FEB_VARIATIONS and FEE_VARIATIONS nodes it will work with orientations.

ROADS_OD_006.hipnc

Edited by kiryha
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Great! Let it be the Sweep!
On curves which were build in Houdini that way works fine. On the curves reconstructed from Maya polygons - no, but this is not an issue.

Here is the scene if anybody will need it:
- Attach several cars to follow any number of input paths
- Normalise cars speed for different paths length
- Randomize car location on paths
- Control cars orientation with VEX

 

ROADS_007.hipnc

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