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One animating pattern across a 3d cube.

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alex ezorsky
One animating pattern across a 3d cube.
on Aug 31, 2019 at 3:54:08 am

Lets say i want paint to splat on the top of and drip down the sides of a cube.

Instinct would suggest I start with a precomposed splat video, mask that into 9 squares and then duplicate the layer with each masked square as a separate layer and rotate them appropriately. BUT I would like the splat to be seamless from wall to wall and cutting the one square video into 9 squares (lets assume in t a cross pattern) cuts out big portions of the original. I feel like the best solution would involve some warping and unwarping.


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Graham Quince
Re: One animating pattern across a 3d cube.
on Aug 31, 2019 at 9:53:12 pm

It might be worth exploring the idea of projecting the video of the splat using a light and a video layer with a shadow.

It's kinda hard to demonstrate as there appears something wrong with the image links on this tutorial by Rick Gerard, but I think this would work: - Free FX for amateur films - FX blog

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alex ezorsky
Re: One animating pattern across a 3d cube.
on Sep 7, 2019 at 6:17:23 pm

YES! I have since discovered 3D projection and am absolutely in love it's opening up SO many new possibilities including projection based motion tracking which is a mindblower.

For anyone else new to 3D projection here's what I've learned:

The basic idea of projection used to make a 2D image 3D

Other apps that do the 2D to 3D version
way complicated version with projection onto OBJ files

How to use it to stabilize

Using two camera setup to stabilize then using the second camera and preomposing and then sticking that back into the 3D scene so you can do whatever you want to them (i.e morph/warp/mask etc)

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