Unreal Engine Issues
Unreal Engine Issues
Using GeoMerge on fragments of a GeometryCollection (GC) will create a new single particle while removing the old particles, but although you end up with less particles, the disk file size of the GC uasset increases.
UE - Simulation - Physics - Destruction - Nov 26, 2024Using GeoMerge on fragments of a GeometryCollection (GC) will create a new single particle while removing the old particles, but although you end up with less particles, the disk file size of the GC ...
Animations will sometimes update more quickly than what the Frame Skip Map is set to
OLD - Anim - Nov 18, 2016With Update Rate Optmizations enabled, animations will sometimes update more quickly than whatever the Frame Skip Map is set. ...
Particles are only activated when the camera moves back
UE - Niagara - Mar 3, 2020UParticleSystemComponent :: CanConsiderInvisible () Particles determined to be invisible by MaxSecondsBeforeInactive seem to be activated only when the camera moves back. Is this correct behavior? ...
Point lights with source length building static or stationary lighting will build incorrect shadows on movable objects
UE - Graphics Features - Lumen - Jun 12, 2018Adding source length to a point light that is set to stationary or static will cause shadows to build incorrectly on movable objects. Working as expected in 4.18 CL# 3832480 Found in 4.19 CL# 4033 ...
UMG Slider displays long or wrong percentages when Step Size is set to 0.1
UE - Editor - UI Systems - Apr 24, 2020When the Step Size is set to 0.1 for a Slider and Slider value is multiplied by 100, it will display weird numbers when moving the slider back from 100%. Changing the Step Size to 1 and changing th ...
Having two Play Persistent Audio modules in Niagara will only play the first sound
UE - Niagara - Jan 24, 2024Only one Play Persistent Audio module will work at a time in a Niagara emitter. ...
Playing two instances of the same level sequence with an audio track will not work as expected.
UE - Anim - Sequencer - Mar 11, 2024Two instances of the same level sequence playing audio will cause the audio to stop playing. ...
Some Material Nodes Are Not Able To Be Deleted
UE - Graphics Features - May 10, 2017There are a lot of cases where nodes in the material editor will no longer get deleted even if you save the material after deleting the node. As soon as you close the window for the material editor ...
Back-face culling not working when translucency is set to Ray Tracing
UE - Graphics Features - Lumen - Oct 23, 2020While enabling Ray Tracing from the start of the project, when user sets GlobalPostProcess Translucency to Ray Tracing, the back-face of the plane is not culled. However, when the translucency is se ...
Adding a key to an Absolute transform section will accumulate an extra transform offset when a transform override is set on a sequence.
UE - Anim - Sequencer - Jan 13, 2022The keyed transform value will have the origin offset applied to it when it should not be. ...