Unreal Engine Issues
Unreal Engine Issues
Specular Scale 0 on Light still affects Groom asset
UE - Rendering Architecture - Jul 30, 2025When a light's Specular Scale is set to 0, the specular still affects hair / groom assets. The specular of other assets (like a shiny static mesh in the scene) is properly affected by the change. ...
A duplicated component in the blueprint editor is invisible and the pivot stays at 0,0,0 until compiled
UE - Gameplay - Blueprint - Jun 19, 2015A duplicated component in the blueprint editor is invisible and the pivot stays at 0,0,0 until compiled User Description: Since 4.8 if I duplicate a child actor component in the viewport the dupli ...
Vector NotEqual / != displays default tolerance of "0" instead of "0.0001"
UE - Framework - Blueprint Editor - Nov 22, 2022If this is just a display issue, it's still fairly significant because a tolerance of 0 and anything else are very different. I have not confirmed if it's only display or if the comparison is actual ...
Focus mode in the Editor does not handle Actors without PrimitiveComponent correctly, treating them as if they were at the origin (0,0,0), skewing the camera placement.
UE - World Creation - Worldbuilding Tools - Nov 18, 2024Focus mode in the Editor does not handle Actors without PrimitiveComponent correctly, treating them as if they were at the origin (0,0,0), skewing the camera placement. Some Actors like the WorldDat ...
Shadow casting still considered for performance when light intensity set to 0.0
UE - Graphics Features - Sep 8, 2016Shadow casting is still considered when the lighting intensity has been set to 0. This is a regression in performance from 4.12.5 where a lights intensity that was set to 0 would not be considered ...
FVector::Normalize does not set Vector to (0,0,0) upon failure, as described
UE - Foundation - Core - May 24, 2017The FVector::Normalize function states in its comment that if given a vector that is too small to be normalized, it will set it to 0,0,0 and return false. The function only returns false and does no ...
Destroying actor sets object to 0,0,0 for one frame before actually destroying
UE - Gameplay - Apr 29, 2015Actors destroyed are set to 0,0,0 for one frame, which causes collision temporarily before they are completely removed. This only occurs on objects that are attached to a component using the attach ...
[Waveform Editor] - Changing the Edit time on a Sound Wave that has TotalSamples=0.0 can crash editor
UE - Audio - WaveformEditor Plugin - Nov 10, 2022Rapidly changing the End Time on an asset that has TotalSamples=0.0 in the WaveFormEditor cases the editor to crash. Work around is to reimport the asset, which will restore that value. The crash hi ...
Decal Actor Returns 0,0,0 With Actor Position Node
UE - Graphics Features - Nov 7, 2016The actor position node no longer returns the actor position for the decal actor. ...
Overlap functions of child actor components run when spawned without overlap if player is at 0,0,0
UE - Gameplay - Jun 23, 2016Overlap functions of child actor components run when spawned without overlap if player is at 0,0,0. It registers all "other actors" as cast successful even when the actor cast to is not the actor's ...