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How to make an object invisible but cover other objects

PostPosted: Wed Sep 04, 2019 2:26 pm
by xNaXx
Hi there,

I'm trying use some cylinders as masks, so I don't have to rotoscope all these trees in AE.

The idea is that they are invisible to the camera, but they actually cover the small spheres floating in the air. I've tried with ObjectTag with no success.

https://imgur.com/YEttieF
https://imgur.com/DHnInm2

Thanks!

Re: How to make an object invisible but cover other objects

PostPosted: Fri Oct 04, 2019 5:02 pm
by WoutTgh
Maybe the "matte" option is what you're looking for ? It's under the diffuse material shader :)