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Growing Grid along face

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Lisa Dressler
Growing Grid along face
on Mar 1, 2019 at 3:44:04 pm

Hi guys,

I'm trying to grow a grid on top of a face kinda like a radial scan but I can't figure out how. I've got the 3D head and I drew the splines projected on the surface of the cheek (its just supposed to grow over the cheek). I tried to keyframe sweeps so the geometry would grow outwards along the splines on top of the surface but thats been a pretty tedious process so far...
I also tried to control those with just a growing gradient on alpha but it looks weird since it's just a perfect circle growing outwards. It doesn't look like the lines are growing naturally even with a turbulence in the gradient. I feel like it should be super simple but have been spending the last two days failing.
I'm using R20 with Octane

Anybody an idea? Thanks already!!

I attached my file and a ref image
https://drive.google.com/drive/folders/1mIIPqOY_huF-VCOTA5E8hDxyC0lc-6tG?us...


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Steve Bentley
Re: Growing Grid along face
on Mar 4, 2019 at 7:36:59 pm

Is it as simple as mapping a movie or image of a grid and projecting that onto the cheek and moving the texture over time? Or does the "scan" effect have to be dimensional and extend off the cheek surface?



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Lisa Dressler
Re: Growing Grid along face
on Mar 7, 2019 at 8:47:17 am

It has to be dimensional. I ended up using an alpha texture and overlayed it on the footage in after effects.

Thanks for you help though!


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