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3D cube leaking light/gaps. How to fix?
I’ve created a standard 3D cube in AE (CS5.5) which looks fine in a normal lit environment, but if I throw a light onto it, it looks like some of the edges are not aligned correctly (although I’m CERTAIN they are!). I’ve applied Alpha Add to the 6 layers that make up the wall as advised by another AE user, but this doesn’t help.
Here’s a cropped screen cap of the problem I’m getting: https://tinyurl.com/6vlfzpu
As you can see, at the rear of the cube, the light from the AE spotlight is showing up what appears to be a misaligned layer.
For anyone interested, I created a no frills very basic cube and light AE project (697k) where you can check exactly how I set the cube up. You can download it here: https://tinyurl.com/6vlfzpu
What am I doing wrong?
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9 Replies
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My apologies, I put the wrong link into my post above for the AE project. Here’s what it should be:
homepage.ntlworld.com/mike1962/cube.zip
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In the Material Options, for all cube_wall layers, turn Ambient and Specular to “0%”, Diffuse to “30-40%” and Shininess and Metal to “100%”
Tudor “Ted” Jelescu
Senior VFX Artist -
Thanks for the reply, Tudor, but other than making things a little on the dark side, it had no effect.
Here’s another cropped screen-cap after applying the changes you advised:
https://homepage.ntlworld.com/mike1962/cube2.jpg
Here’s a copy of the AE project with the changes applied that you advised:
https://homepage.ntlworld.com/mike1962/tedcube.zip
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I created a cube using Plane Space- from Red Giant. That is in theory a perfect cube, but I still get the same result as you did. I set the shadow map to maximum- still the same results. WEIRD! Either the problem has been there before and I did not noticed it (and I did quite a few projects with 3d boxes build out of layers, and some more complex shapes) or something has changed in CS5.5…
Tod, Walter, Dave… anyone else?Tudor “Ted” Jelescu
Senior VFX Artist -
Well at least I’m glad it’s not just me!
Thanks, Tudor.
Mike.
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Set the blending mode for the layers to Alpha Add. See the description near the bottom of this page.
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Todd Kopriva, Adobe Systems Incorporated
Technical Support for professional video software
After Effects Help & Support
Premiere Pro Help & Support
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Hi Todd,
As explained in my first post, I had already done that.
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Oops. Sorry. That’s what I get for reading too fast.
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Todd Kopriva, Adobe Systems Incorporated
Technical Support for professional video software
After Effects Help & Support
Premiere Pro Help & Support
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Just an update. I managed to solve my particular problem above by setting the cube layers material options to cast shadows = on.
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