Unreal Engine Issues
Unreal Engine Issues
Niagara persistent debug draw bug
UE - Niagara - Sep 19, 2023It is not possible to set the RotationNormalizedAngle to a value different from those you get from an input map. For example, you cannot set it to a value from a make float once created inside the m ...
Default Wireframe View within the Niagara Preview Window is Difficult to Visualize
UE - Niagara - Sep 15, 2023The environment geo is getting in the way and the particle's wireframe outline is the same color as the environment. A current workaround it going to the Preview Scene Settings and turning off the e ...
Attribute Reader + Torus Shape Location module cause NaNs in CPU Niagara systems
UE - Niagara - Sep 5, 2023It appears using the attribute reader with the shape location module set to torus will cause NaNs. The log mentions Sphere Radius among them, which should not be used with the torus mode. ...
Inaccurate motion vectors when using different position binding in renderer
UE - Niagara - Jul 27, 2023Even though the particles are not moving, and the velocity is zero, the output motion vectors are non-zero. This seems to only happen if using two sources of particle positions. ...
Getting Emitter.NumParticles on Niagara's GPU compute sim returns 0
UE - Niagara - Jul 27, 2023This problem looks like the following parameters are not defined correctly. The correct parameter is Engine_Emitter_NumParticles. Engine_Emitter_NumParticles and PREV_Engine_Emitter_NumParticles .\ ...
NiagaraComponent attached to the character won't stay active when travelling to a new level using seamless travel
UE - Niagara - Jul 27, 2023The pawn character is added to APlayerController::GetSeamlessTravelActorList, so it'll be persisted during server travel. The Niagara component is spawned during BeginPlay and activated manually. W ...
Preview rendering does not update when slider is moved below 0.0 in timeline on in Niagara Editor.
UE - Niagara - Jul 26, 2023Workaround in UE5.3: UNiagaraComponent::TickComponent if (AgeDiff < 0.0f) { SystemInstanceController->Reset(FNiagaraSystemInstance::EResetMode::ResetAl ...
When creating a new NiagaraSystem using existing system, the DefaultEffectType set in ProjectSettings is not reflected.
UE - Niagara - Jul 24, 2023When creating a new NiagaraSystem, the DefaultEffectType set in ProjectSettings should be reflected. If another EffectType is already set, it should be respected. The problem here is that when creat ...
Niagara and Water Source Body Component
UE - Niagara - Jul 19, 2023This has changed from 4.27 and the Deep Dive video on water: [Link Removed] ...