Unreal Engine Issues
Unreal Engine Issues
On mobile devices, Audio that is trigger with a TriggerBox are playing from the beginning of the Audio Clip and not from the selected time
UE - Platform - Mobile - Jan 13, 2015If you have a trigger box trigger an ambient audio clip when you enter the box, the audio clip will always play from the beginning even if you have the Start time starting later in the audio clip. ...
Non-Power of 2 images are not rendering on iOS devices
UE - Platform - Mobile - Feb 2, 2015If you create a UMG with an image in the Umg that is not a power of 2, The image will not appear on an iOS device. Tested this on a Android device (Nexus 5 with ETC1 and ATC. PVRTC will not allow t ...
Particle Cutout Will Clip Texture On Certain Frames Even With Alpha Threshold of 0.0001
UE - Niagara - Feb 17, 2017A licensee has reported that the particle cutout feature will sometimes clip the image on some frames despite having an alpha threshold of 0.0001 The attached project has an example of this on the ...
Child Actor Component Not Destroyed When Parent BP Is Replaced in Scene
UE - Gameplay - Blueprint - Oct 16, 2015Having an actor in the level with a child actor component, replacing it with another copy of itself, and deleting the copy results in a Child Actor remaining in the world outliner, which cannot be d ...
Crash on Assigning Material to Element 1 in Reimported Static Mesh
Tools - May 15, 2015[Link Removed] When you reimport a Static Mesh with an Added Material ID associated with it and in the Static Mesh Editor assign a material, the engine crashes. Also reproduced in Main Promotable- ...
Fbx importer can import valid under 30Hz anim at 30Hz
Tools - Jul 17, 2017The samplerate of a track was compute with the following formula Equation 1: number of Key / animation Time This formula work only if we have animation keys that are time equidistant. example of ...
Surface Profile Skin shading has some unexpected stripe rendering issues
UE - Graphics Features - Apr 3, 2018So it looks like the artifact is definitely related to whether sss checkboard is enabled, but I can't reproduce it if enabling checkboard right after open the map, I mean it has to be reproduced aft ...
(BUG) Sequencer Root motion breaks down when using SwapRootWithActor, translation track and transform origin actor
UE - Anim - Anim in Engine - Jul 19, 2024When "Sequencer.ThreadedEvaluation.AllocationThreshold 8" is initiated, characters in a level sequence that have “Swap Root Bone Actor” activated on their animation will begin to slide very fast acr ...
Screen Space Ambient Occlusion Artifacts
Docs - Samples - Apr 3, 2015Flickering occurs when using the Post Process Ambient Occlusion (Screen Space AO). This is more noticeable when using stronger values entered into the AO fields. I checked these settings in both 4 ...
Trace complex for assets simulating physics does not show accurate collision
UE - Gameplay - Apr 27, 2015When using Trace Complex in a LineTraceByChannel node does not give accurate results when object is simulating physics and scaled. The scaled root mesh in the BP will only register its collision rat ...