Unreal Engine Issues
Unreal Engine Issues
Crash when compiling Blueprint class based off C++ actor with a Niagara component that has a user color curve
UE - Niagara - Mar 6, 2020When creating a blueprint class based on a C++ actor with a Niagara component, color curves will cause the editor to crash when compiling the blueprint. This will impact users creating their own cla ...
Particles are only activated when the camera moves back
UE - Niagara - Mar 3, 2020UParticleSystemComponent :: CanConsiderInvisible () Particles determined to be invisible by MaxSecondsBeforeInactive seem to be activated only when the camera moves back. Is this correct behavior? ...
The SetEmitterEnable BP function needs implementation
UE - Niagara - Mar 2, 2020The BP function calls FNiagaraSystemInstance::SetEmitterEnable, which sets ExecutionState on the emitter instance to ENiagaraExecutionState::Inactive. FNiagaraSystemSimulation::PrepareForSystemSimul ...
Niagara Ribbon Facing Mode Custom Side Vector does not work correctly
UE - Niagara - Feb 28, 2020The Custom Side Vector facing mode is no different than the Custom facing mode on Niagara ribbons. The linked UDN has more information on a potential cause, as well as a proposed fix. It looks like ...
Using Collision in Niagara without an Update Age module will prevent any particles from spawning
UE - Niagara - Feb 17, 2020Using Collision without Update Age will prevent any particles from spawning. In Collision Query and Response DataInstance.Alive has a default value of false. If no other module sets DataInstance.Ali ...
Get Niagara Emitter Vec3 Attrib Results in Hard Crash
UE - Niagara - Feb 14, 2020Also tried it out by replicating the setup in an Actor blueprint with the same result. ...
Niagara viewport does not adjust exposure when set to auto
UE - Niagara - Feb 11, 2020The Niagara viewport does not adjust exposure when using the Auto setting for exposure. This is especially pronounced when using physically based values for skylight intensity. ...
Particle System Components don't inherit owner's time dilation
UE - Niagara - Feb 7, 2020This is a regression introduced by the particle system manager. It does not account for the owning actor's time dilation when ticking the particle system components. ...
Niagara Vector Field CPU access Error prevents its use in projects
UE - Niagara - Jan 31, 2020Niagara VectorFields do not function properly since "Fix CPU Access" changes are not persistently saved. After every Editor restart or reopening projects, the Niagara-VectorField driven Emitter and ...
Changing a Niagara System Component's Override Parameter in a parent BP does not change the value in the child BP
UE - Niagara - Jan 30, 2020Changing a Niagara System Component's Override Parameter in a parent BP does not change the value in the child BP ...