Unreal Engine Issues
Unreal Engine Issues
Improper Initialization of trigger values when added at runtime with the key pressed already
UE - Gameplay - Input - Nov 11, 2022See the comment on UInputTrigger::LastValue around issues being a bool type on first tick ...
Mesh deformed by Cable Component does not output velocity
UE - Simulation - Physics - Aug 7, 2023The velocity when moving the root is output, but it seems that the velocity for each deformation is not output. Since motion blur and TSR use velocity, problems such as ghosting may occur. ...
ParticlePosition doesn't use Previous values
UE - Niagara - Jan 9, 2024FHLSLMaterialTranslator::ParticlePosition does not return Previous information when request which can result in bad motion vector calculation. ...
Camera actor preview window does not display properly in orthographic view
Tools - Apr 13, 2015Adding a camera to the scene and setting the projection mode to orthographic doesn't display properly in the preview window. ...
Compiling blueprint with anim bp crashes editor in MathExpr exec
UE - Gameplay - Blueprint - Jan 30, 2016Compiling a player character blueprint that is tied to an anim bp crashes the editor. Frequency: 2/2 Crashreporter: N/A ...
LIVE: The editor crashes on Mac when attempting to open the attached Media Player .uasset
Tools - Nov 4, 2014Does not occur on PC. CRASHREPORT: [Link Removed] CALLSTACK: <unknown module>! FOutputDeviceMacError::HandleError() <unknown module>! EngineCrashHandler(FGenericCrashContext const&) <unknow ...
Code classes with a portion of the project name and parent type cannot be created.
Tools - Feb 25, 2015When adding code to a project, class names cannot be used if they contain a portion of the project's names and the type of class of the parent. Message says that the name is already used by another ...
Converting Texture Sample to Parameter when MipValue set to "Level" or "Bias"
UE - Rendering Architecture - Materials - May 27, 2015When a Texture Sample's MipValue is set to something other than "none" (which adds the extra pin), attempting to convert that Texture Sample to a parameter will cause the Editor to crash. (Simple r ...
Box selection in orthographic view ports with nothing previously selected will select BSP brushes even when you are not passing over edges or vertices
Tools - Feb 13, 2015Box selection in orthographic view ports with nothing previously selected will select BSP brushes even when you are not passing over edges or vertices. The current expected behavior is that it would ...
Mouse cursor appears outside of viewport while in PIE if UE4 and UDK are both open
Tools - Jan 15, 2015Mouse appears outside of viewport window when cursor is dragged off of editor window while UDK is open. This occurs even if UDk is minimized. Note: Cursor will appear outside of editor window but a ...