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I have a particle emitter working just fine. I want to make the falling particles vanish in one area as they fall. I tried applying a boolean, but the particles appear to ignore it.

Is this even possible? If so how?

I don't want the emitter impacted, only the falling particles. I have the boolean operation after the emitter in the modifier stack and the use modifier stack turned on. It appears that I can boolean the emitter itself but not the particles.

boolean settings

The square in the image is really a cube object that passes all the way through the emitted zone. So when working, I should end up with the particles falling but vanishing within that square area and reappearing after.

Thoughts?

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1 Answer 1

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You could define the cube as Holdout:

Note: might be some sideeffects:

https://docs.blender.org/manual/en/latest/render/shader_nodes/shader/holdout.html

enter image description here

with holdout:

enter image description here

without holdout:

enter image description here

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  • $\begingroup$ Oh man, that just left a big black box in the middle of my scene. It looked in the viewport but doesn't render correctly at all. $\endgroup$
    – Glenn J. Schworak
    Commented Dec 29, 2021 at 19:27

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