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How to get niagara particle ID in module script?

I can choose the particle id channel, but it doesn't work. What are the ranges of those IDs? alt text

Product Version: UE 4.20
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asked Oct 15 '18 at 10:48 AM in Using UE4

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avatar image hextrap Jan 21 '19 at 11:42 PM

There's a checkbox "Requires Persistent IDs" in the Emitter Properties module. That should enable ID indexing

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It's seems that GPU Compute Sim mode don't work with Particle ID, when I choose CPUSim it work's fine !

This is a bug or there is another way to do that with GPU Compute Sim Mode ?

All flags set to true in Module Usage Bitmask in details panel :

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Thanks for help ! =D

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answered May 03 '19 at 09:27 AM

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