Unreal Engine Issues
Unreal Engine Issues
ForEachLoop does not save structure changes in the loop body
UE - Gameplay - Blueprint - Feb 2, 2015If a ForEachLoop node is used to cycle through an Array of Structures, using the Array Element output of the Loop node to set the members of the structure does not save the changed values. Workarou ...
Camera jitter when using Crane Rig with Look At
UE - Anim - Sequencer - Jul 21, 2016Camera jitter when using Crane Rig with a Cine Camera that is using the Look At Functionality ...
Destructible mesh does not trigger overlap event for objects/pawns that are not moving
UE - Simulation - Physics - Destruction - Dec 12, 2014DESCRIPTION: When using the generate overlap events for a destructible mesh with Static Mesh or skeletal mesh that is not moving will not generate an overlap event to be triggered. So long as the me ...
Unable to edit blueprint instance's components when attached to another actor
UE - Gameplay - Blueprint - Feb 22, 2019Attempting to edit the properties of a component on an instance of a Blueprint class that initializes its RootComponent in its Constructor and is attached to another actor in the level results in od ...
Black flickering on Mesh particles when the Renderer is set to a non-default Facing Mode or using Orient Mesh to Vector and when using Particle Position in the Material's WPO
UE - Niagara - Jul 23, 2020Black flickering on Mesh particles when set to a non-default Facing Mode or using Orient Mesh to Vector and when using Particle Position in the Material's World Position Offset ...
empty default value for a blueprint member variable in a custom k2node
UE - Framework - Blueprint - Feb 9, 2024User is attempting to find a blueprint member variable's default value in their implementation of UK2Node::NotifyPinConnectionListChanged(). but the expected value in FBPVariableDescription is empty ...
Adding new elements to an array in code does not update in a class based blueprint on compile
UE - Gameplay - Blueprint - May 5, 2015When adding elements to an array inside a code class, blueprint instances of the class do not have their array updated after a hot reload. ...
Maya Generated FBX Files Fail to Import Properly into UE 4.10
Tools - Nov 24, 2015The same animation FBX file generated from Maya will import correctly into UE4.9 but incorrectly into UE4.10. Moreover, if you generate an FBX from the animation that was successfully imported from ...
Problem with material layers using interpolator nodes
UE - Rendering Architecture - Materials - Jun 7, 2024The Vertex Interpolator Material Expression appears to collapse separate instances from separate Material Layers, leading to visual artifacts when used. Also tested on UE5_Main, CL: 34200103 ...
Material functions should be able to output the same data as it can accept as inputs
UE - Rendering Architecture - Materials - Sep 30, 2024Material Functions cannot output Texture Objects or Booleans. This seems to be because the Material Editor believes that the outputs are Floats, and forbid connections to inputs that take Textures ...