How can i make a camera with clear type: color work as an alpha mask?

General tool and project questions
1

Hola :smile:
I’m really struggling with the lack of a masking system.
I’ve made some sort of head tracking effect that looks like this. Could i apply this as a sort of alpha mask? if so, how? My intention was to use this as an alpha render to post processing effect like bloom or pixelate. The white part would be bloomed / pixelated but not the black area. thank you so much
triangulo2

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Could you figure it out how to do that ?? I was looking for the same approach for bloom.

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Did you figure it out?