Unreal Engine Issues
Unreal Engine Issues
NPC - Instances does not get updates from changes to the parent Niagara Parameter Collection in the editor
UE - Niagara - Oct 4, 2024When an Niagara Parameter Collection (NPC) is selected as the parent Collection for an NPC Instance (NPCI), all of its current parameters are carried over to the NPCI with their current values as th ...
Assign Event On Destroyed no longer creates Custom Event Node
UE - Gameplay - Blueprint Editor - Oct 9, 2018When creating a new Blueprint Class based on an Actor parent, If you navigate to the Actor's event graph, and right click on the editor blank space; type "Assign on Destroyed" and select "Assign ...
Issues changing physics properties on destructible meshes
UE - Simulation - Physics - Destruction - Oct 15, 2015Numerous issues when manipulating destructibles. 1) Changing collision response pre-fracture will not affect chunks post-fracture 2) Changing collisions response pre-fracture will prevent damage f ...
Translucent materials with Modulate blend mode disappear with down-res translucency enabled
UE - Rendering - Graphics Features - May 28, 2024Reported from this UDN: https://udn.unrealengine.com/s/question/0D5QP00000MLlco0AD/active-dtr-doesnt-render-beforedofmodulated-materials?fromCase=1 The problem is that, except in very specific circ ...
SpawnActor node evaluates pure inputs twice
UE - Gameplay - Blueprint - May 9, 2017When the node Spawn Actors from class is used with a pure input (in this case a pure function with a transform output) The result is that it get evaluated twice. In the test project provided a print ...
Event tick not firing when in an actor component that is added to an actor
UE - Gameplay - Blueprint - Aug 22, 2017When using actor components, if you delete a node, such as event tick and then add it to an actor, even if you modify the component again, such as adding the event tick event back, the component wil ...
Startup Movies not Copied to Content/Movies Directory in Content Browser
Tools - Oct 5, 2016Startup movies are not being copied to the Content/Movies directory within the Content Browser. This can be confusing to users as it is not editable, but still functions correctly as a startup movie ...
Refresh rate for windowed package builds causes frame stuttering
UE - Graphics Features - Aug 24, 2017THere is an issue where the refresh rate of a windowed packaged game does not match the refresh rate of a monitor correctly, this results in stuttering. This issue does not occur in the editor (PIE) ...
Visual flicker occurs with object during play
UE - Graphics Features - Sep 5, 2017There is an issue occurring where objects are flickering, and what appears to be jittering at set distances when rendering, increasing the bounds of the mesh pushes the distance for the issue out. T ...
SetOneWayInteraction functionality has no effect on the simulation
UE - Runtime - Simulation - Nov 11, 2022Calling SetOneWayInteraction on a BodyInstance has no effect within the physics engine. The state of the flag is passed in to Chaos but nothing actually uses the value once it is there. It is expe ...