Scene Graph Keyframed Movement Very Jittery

General Issues and Bug Reporting
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1

Summary

I created a component using keyframed movement. It worked great. I posted it on reddit for feedback. 2 days later, I come back after no changes, and it is very jittery, and no longer looks smooth.

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Scene Graph

Steps to Reproduce

NA

Expected Result

See this reddit post. https://www.reddit.com/r/FortniteCreative/s/c1X91qsvGR

Observed Result

No longer looking smooth like the video from my Reddit post. Very jittery. FPS is perfectly fine, and other games on the Fortnite platform work perfectly fine.
When testing, it looks like it is running at 3FPS, even though I am getting over 120FPS.

Platform(s)

Tested on PC, Mobile, And Xbox.

When working and running smooth, it looked great on all platforms. Now it is jittery, it is jittery on all the platforms.

Video

https://www.reddit.com/r/FortniteCreative/s/ZTDRm8oXqy

Additional Notes

Happy to share code privately with an Epic Games employee.

Very frustrating, especially because I put a lot of time into it already. Makes me not want to use the UEFN and Fortnite platform for game development.

Thanks for your time!

2

We’ve experienced this too, which is weird because supposedly scene graph runs it’s keyframes on the client side and not server side, so it shouldn’t be limited by any frame rate other than what runs on the client and not TPS.

3

FORT-1155164 has been created and its status is ‘Unconfirmed’. This is now in a queue to be reproduced and confirmed.

4

I agree. Realistically, we shouldn’t need vehicle components, we should be able to create a vehicle with what’s already given to us with scene graph. These bugs and jitter make it impossible to create new experiences on Fortnite

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