Help with 3D spinning plate

Explorer ,
Feb 25, 2022 Feb 25, 2022

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Hey guys!
I need some help getting something to animate correctly.

The setup is, I have a hex plate with 6 tubes on it, that are 2D assets.
I need the hex to spin and for each tube to follow the hex corner points.

I have this done already with the "create nulls from paths" command plus parenting the tubes to the nulls.

Then I positioned the tubes using a top down view in 3D space, and I'm all good.

But, when I actually spin the hex, I have issues because the tubes are on layers and when they spin, the tubes that are supposed to be in the back overlap the front ones as those layers are on top...

It's also doing a weird scaling thing (supposedly, since this is 3D it SHOULD change sizes based on perspective, right), not quite correctly doing the movement.
I'll attach some shots and the project file for clarity.

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Adobe Community Professional ,
Feb 25, 2022 Feb 25, 2022

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Looks correct. Your eyes are probably fooling you due to the transparency in the glass cylinders. the rest is indeed normal 3D behavior, but you can improve upon it by actually creating a camera layer with a very long focal length instead of relying on the default imaginary composition camera...

 

Mylenium

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Explorer ,
Feb 25, 2022 Feb 25, 2022

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If you look at the bases of the cylinders, you can see they're actually rotating in front of other cylinders when they shouldn't be doing it, right?
Look at this frame.

G5CD7_0-1645800953145.png

 

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Adobe Community Professional ,
Feb 25, 2022 Feb 25, 2022

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That may indicate an effect or layer style interfering with the 3D-ishness then. Some stuff breaks the depth sorting, which is a known limitation. If that's the case, pre-compose the layer and/ or remove the potentially critical stuff like converted editable PSD layer styles. Likewise, combinations of layer switches such as continuously rasterize/ collapse transformations may affect this, so play around with that.

 

Mylenium

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Explorer ,
Feb 25, 2022 Feb 25, 2022

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Will do, thank you!

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Explorer ,
Feb 28, 2022 Feb 28, 2022

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Right, so that didnt't help.
Any other ideas?

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Adobe Community Professional ,
Feb 28, 2022 Feb 28, 2022

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It might help if you actually provided screenshots with the relevant settings and possibly also all relevant properties for the layers revealed.

 

Mylenium

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Explorer ,
Feb 28, 2022 Feb 28, 2022

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I've solved it!
Started over and did it in a much much simpler way and what do you know, it looks perfect now.
For future people who might look in here, here's what I did.

This is the setup:

G5CD7_0-1646044988059.png

TUBE <NUMBER> - These are copies of the same PNG file with alpha of course.
MASTER - This is a null.
PLATE - This is a hexagonal shape that's used as the orientation for the position of each tube.

 

Steps to do this:

1 - Double click the Polygon tool to make a polygon the size of the entire comp

2 - Change the number of sides to 6

3 - Scale it down to 80% so when it rotates it stays inside comp limits

4 - Place one PNG file, use Snapping to attach it to the first corner of the hex (bottom one in this case)

5 - Duplicate PNG 6 times, repeat step 5 for each one

6 - Make all layers 3D

7- Rotate PLATE 90 degrees on X axis

8- Rotate each tube -90 degrees on X axis

9- Set MASTER as PLATE's child

10- Set each tube as children to MASTER

 

And then just animate PLATE's rotation on the Z axis 🙂

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