Unreal Engine Issues
Unreal Engine Issues
UV Flipping Mode Causes Stretching of Particles
UE - Niagara - Nov 17, 2017If "UVFlipping Mode" under Rendering on the Required node of an emitter is set to anything other than "None," the particles can become stretched and distorted. As a workaround, I have discovered th ...
Adding HISMC instances resets wind for all existing instances
UE - Graphics Features - Jul 6, 2018When adding new HISM instances, actors using SpeedTree -> WorldPositionOffset material are reset. 4.19 Repro project provided by user. I was unable to get WPO wind working in 4.18, I did noticed th ...
Foliage: Speed tree wind is reset for every add/remove/update on instances
UE - World Creation - Worldbuilding Tools - Foliage - Jul 10, 2018Foliage: Speed tree wind is reset for every add/remove/update on instances What is happening:When we invalidate the render state, proxy are recreated, causing the wind to be removed and add again, ...
HLODs appear to be calculated individually instead of as a group
UE - World Creation - Worldbuilding Tools - HLOD - Mar 26, 2019The way in which Hierarchical Instance Static Mesh LODs' screen size is calculated appears to have changed. ...
Data Table Reimport - No popup to specify source file
UE - Editor - Content Pipeline - Import and Export - Feb 6, 2019Selecting Reimport on a DataTable created in editor no longer triggers selection popup. "The change in behavior seems to be related to changes to UReimportDataTableFactory::CanReimport() which now ...
VCAM 2.0 - No signal on iPad from Mac OSX
UE - Virtual Production - Tools - Virtual Camera - Jul 19, 2021UDN case link with this ticket [Link Removed] ...
Overridden functions in Child Blueprints cannot be converted to/from pure functions
UE - Gameplay - Blueprint - Jun 27, 2015Overridden functions in Child Blueprints cannot be converted to/from pure functions. Reproduced in 4.8.1 and Main (//depot/UE4/Promotable-CL-2601051) ...
Content Examples: Example 1.5 is stiff in Cloth Map
Docs - Samples - Apr 26, 2017Example 1.5 on Cloth Map seems very stiff in 4.16 compared to 4.15. Regression: Yes Works in 4.15 ...
Crash in GetScreenRect on OPPO and Vivo devices
UE - Platform - Mobile - Jul 11, 2017GPU Particle Collision changes based on Normal Intensity on Colliding Surface
UE - Graphics Features - Jun 18, 2015Increasing the intensity of a Normal Texture on a colliding surface will cause the collision of GPU particles to behave strangely, looks to be falling through floor, when you are using a Constant Ac ...