Unreal Engine Issues
Unreal Engine Issues
Arithmetic assignment operators (e.g. +=, *=) in Niagara inputs are applied twice .
UE - Niagara - Jan 9, 2024Arithmetic assignment operators seem to be applied twice when committed in the Niagara stack. This occurs when entering *= 2.0 for example into a float input. This may be the result of the SNiagar ...
Preview Rendering Levels are not saved when Opening Level/Project
UE - Graphics Features - Jan 27, 2017When switching the preview rendering level to any of the mobile shader models and opening a new level, the preview rendering level does not get reapplied to that particular level. This is contrary t ...
Collision filtering issue when multiple shapes on an actor
UE - Simulation - Physics - Jul 22, 2022Collision filtering is producing unexpected results in certain setup. Objects are passing through one another when they are expected to collide. ...
Changes to Material Instance Parent don't appear to propagate to child instances if the child instance's editor window is open
UE - Rendering Architecture - Materials - Aug 16, 2021It looks like this occurs when the grandchild instance window is open. If you close and reopen the Grandchild's window the parameter appears as expected. I've attached a project with the setup step ...
Color shifting occurs from screen probe gather ping-pong when Lumen active
UE - Graphics Features - Lumen - Apr 29, 2024A subtle yellow tint color shift occurs when Lumen is active due to usage of R11G11B10_Float targets, mostly from r.Lumen.ScreenProbeGather.SpatialFilterProbes where we ping-pong between R11G11B10_F ...
ShooterGame player death creates Death Anim Timer handler incorrectly
Docs - Samples - Mar 10, 2015In ShooterCharacter.cpp (line 376) there is a call to FMath::Min(0.1f, DeathAnimDurtation) that always returns 0.1. User suggests changing FMath::Min() to FMath::Max(). ...
Behavior Tree "Resume" button does not match other resume buttons in editor
UE - Gameplay - Feb 12, 2015Resume button in Behavior Trees is a different image than the resume button in other parts of the editor. ...
OnTextCommitted for a Text Box will execute multiple times
UE - Editor - UI Systems - Apr 29, 2015The OncTextCommitted event for the Text Box executes multiple times. Testing has shown that it will execute 2-5 times with only one submission. It should only be executing once per time text is subm ...
Show Navigation does not work in a packaged build
UE - AI - Mar 9, 2015USER DESCRIPTION: Every time I check "Enable Drawing" in project settings, save all, close the editor then open it again -> Enable Drawing is unchecked. Why? Is there some other place when this opti ...
FText::AsTime Does not work correctly with daylight savings.
UE - Editor - UI Systems - Localization - Mar 17, 2016If you pass the result of FDateTime::UTCNow in into FText::AsTime with your windows time zone currently set to Eastern Time (UTC-5 hours), it will NOT take into account daylight savings. ...