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API > API/Plugins > API/Plugins/Niagara > API/Plugins/Niagara/UNiagaraSystem
Syntax
UPROPERTY&40;EditAnywhere, Category&61;"System", Meta&61;&40;EditCondition&61;"bFixedTickDelta", ForceUnits&61;s&41;&41;
float FixedTickDeltaTime
Remarks
If activated, the system ticks with a fixed delta time instead of the varying game thread delta time. This leads to much more stable simulations. When the fixed tick delta is smaller than the game thread tick time the simulation is substepping by executing multiple ticks per frame. Note that activating this feature forces the system to tick on the game thread instead of an async task in parallel.
The max number of substeps per frame can be set via fx.Niagara.SystemSimulation.MaxTickSubsteps