#How to adjust Niagara system Tickrate and-or framerate ?

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vague summit
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Pretty much like the title says. Is there anything similar to Tick Intervals when it comes to niagara systems ? And if that isn't possible, where can i adjust the framerate at which the particles play ? I've also found some talks about using "Fixed Tick Delta Times" but i just cannot find the setting anywhere.

lost timber
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Ooh that's a very good question. So basically you want to have like a "fake" lower fps? Kinda like what you'd do with animations

vague summit
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Yup ! Like it's skipping ^^, flipbook style

vague summit
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figured out that fixed delta time is an option only versions of UE5+ but i might be able to tinker with UE4 to make it work; but even then, if i hit play then the niagara system just freezes.

strong ridge
strong ridge
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btw delta time stuff should have no effect on performance, one purpose it has is to keep visual "speed" constant regardless of 30 or 200 fps so things dont look weird

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Heres a question, does it work if you simply set higher tick interval for the actor ? πŸ€·β€β™‚οΈ

vague summit
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sadly advance simulation doesn't seem to work since it needs the niagara sim to actively be running to do so, so i can't stop, advance it and then stop again. i've messed around a bit just trying to make it work but i'm out of ideas

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Nevermind ! Figure out a real hacky way to get it working with this

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Thanks a million, i was completely lost on this issue.

vague summit
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Yeah so after testing quite a bit, this is actually just a performance disaster. At first i thought it was just related to the tick count that it was skipping but it's actually the pausing/unpausing on top of it that's really killing gametime stability ( spikes to 150% of baseline ). very sad

strong ridge
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what are you doing in Niagara that would be so heavy on fps ? @vague summit

vague summit