Why does my detached Niagara emitter lose position?

Detaching from parent zeroes inherited Component Position. Cache last position before detach; set explicit via SetNiagaraVariableVec3 right after detach.

Set the system to World Space coordinate. Then position is independent of parent attachment. Useful for fire-and-forget effects.

DetachAndDestroy alternative?

DetachAndDestroyImmediately schedules cleanup. Pair with one final SetVar to capture final position before fade.

Fix: Niagara Position Lost After Detach

Quick answer: Cache world position before DetachFromComponent. Reapply via SetNiagaraVariableVec3 after.

Hit effect spawns on enemy. Enemy dies; effect detaches; teleports to origin. Position attribute lost on detach.

The Fix

FVector Pos = NiagaraComp->GetComponentLocation();
NiagaraComp->DetachFromComponent(FDetachmentTransformRules::KeepWorldTransform);
NiagaraComp->SetWorldLocation(Pos);

// or set Niagara variable directly
UNiagaraFunctionLibrary::SetNiagaraVariableVec3(
    NiagaraComp, TEXT("User.SpawnLoc"), Pos);

KeepWorldTransform preserves position during detach. SetWorldLocation re-anchors. SetVar replaces the system's position-tracking variable.

Verifying

Effect stays at hit point after detach. Without fix: jumps to origin.

“Cache. Detach. Reapply.”

Related Issues

For Niagara mesh origin, see mesh origin. For user param, see user param.

Cache. Reapply. Stays put.