Unreal Engine Issues
Unreal Engine Issues
While using Rootmotion with blendout, the velocity will always fallback to 0.
UE - MVF Character - Animation - Apr 19, 2019We skip CalcVelocity for CharacterMovement while HasAnimRootMotion, and we do ExtractedRootMotion.MakeUpToFullWeight() anyway. This caused problem that when we blend out a rootmotion anim, it will ...
Particle Systems Feed Broken Values to Dynamic Parameters in Materials with Instanced Stereo Enabled
UE - Niagara - Jul 11, 2019Particle Systems Feed Boroken Values to Dynamic Parameters in Materials with Instanced Stereo Enabled Working as expected in 4.21 CL# 4753647 Found in 4.22 CL# 7053642, 4.23 Preview 1 CL# 7236301, ...
ARCore: Camera does not function in ARDebugCheck app
UE - Platform - XR - Mar 14, 2022The camera is not turning on when using the ARDebugCheck app. Some details:The app does not ask for Camera permission and defaults to denied.ARDebugCheck is a Black screen after selecting "Start AR" ...
Newly Created Landscape using Material with Displacement and Tessellation Flickers
UE - LD & Modeling - Terrain - Landscape - Apr 8, 2016Upon creating a new landscape that uses a material with displacement and tessellation, the landscape and its respective components will flicker. The flickering can be removed when you begin sculptin ...
Pawns using Floating Pawn Movement will teleport to the location specified in Move To Location
UE - AI - Jul 14, 2015Pawns using Floating Pawn Movement will teleport to the location specified in Move To Location. From fix CL 2619989: "Fixed FloatingPawnMovement component's issue when controlling AI pawn. Basicall ...
r.GTSyncType 2 console command causes incorrect frame rate display on Windows platform
UE - Rendering - RHI - Feb 6, 2023The FRHIFrameFlipTrackingRunnable thread is not initialized on Windows, so RHIGetFrameRate always returns zero. As a workaround, remove the code added by CalculateFPSTimings for Windows platform, a ...
TBigInt allocates twice as much memory as necessary for FString input
UE - Foundation - Core - Jul 9, 2015TBigInt appears to allocate twice as much memory as necessary for the input. This produces an unexpected output of the input value. ...
Record Animation can start "between keys"
OLD - Anim - Feb 8, 2016A user was trying to make his recorded animation loop, but having trouble getting it to loop properly and having to eyeball it. So I did some digging and experimentation. I think that one of the m ...
FRotator::SetClosestToMe(FRotator) Doesn't Set The Correct Value
UE - Foundation - Core - Dec 10, 2019FRotator::SetClosestToMe(FRotator) doesn't set the correct value. Attached are files with the demonstrative code. Found in 4.23.1 CL#9631420 Reproduced in 4.24 Preview 4 CL#10570792, 4.25 CL#10520 ...
SAnalogSlider moves slowly when step size is large
UE - AI Workflows - UI Systems - Slate - Mar 6, 2024SAnalogSlider calculates FastestStepTime by multiplying the step size value by a constant, resulting in high numbers for larger step sizes. This gets lerped from 1 and used as the repeat time, resul ...