Forums Technical Discussion H20.5 RBD Car Rig - Follow Path

H20.5 RBD Car Rig - Follow Path

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Jose Molfino
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Hello
I'm struggling with the New Rig Car Follow path SOP. There's a strange behavior on the steering wheels at the end of the animation that I cannot remove. I tried resampling, smoothing, etc and there's always a wonky rotation in the end... What might be causing that?

Attachments:
followpath.mp4 (3.8 MB)

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Jose Molfino
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And also playing with the Dynamic Springs, I noticed the physics is applied to the wheels... shouldn't the wheels be isolated from the physics, so only the body of the vehicle has the springs fx?
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npetit
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Hi Jose,

Do you have a hip file you could share for me to look at? I can't seem to repro the wonky rotation issue.

For the dynamic springs, they affect the car body after which another pass of wheel/ground collisions is applied - this is to ensure they don't penetrate the ground as the body gets re-oriented.
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Jose Molfino
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Hi Nick
Thanks for your response. Let me mention the asset you guys put together is aweomse!
Sure, see attached the hip file.
Sorry I didn't get what you mean about collision passes. If I turn "Dynamic Springs" toggle ON, the entire car woobles with the wheels also... am I missing something?
Thanks
Edited by Jose Molfino - 2024年8月20日 08:32:15

Attachments:
RBD_Car_RIG_repro.hiplc (2.3 MB)

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npetit
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Hi Jose,

Thanks for that file, it was very helpful.

I've backported the fixes and they'll be available with 20.5.376
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