Why can't use curve editor with quaternion function in Sequencer.

Development Cinematics & Media
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1

Hello, This is John.

I have a simple question of new function which is quaternion calculation in UE4.

I was really happy for ( https://twitter.com/unrealengine/status/1031579200317259778 ) adding quaternion calculation for Sequencer camera.
However, It’s not working with curve editor that can’t use it anymore.
Is there any reason for without adding curve editor itself?
It would be great to having curve editor function with quaternion calculation in Sequencer.

281598-quaternion-422.jpg

Cheers

-John

2

I don’t get why no one else is mentioning this issue as it pretty much prevents the use of quaternion interpolation for any more complex animation. In 4.23 when quaternion is on, the curve editor is useless, show absolutely meaningless values and produces unexplained sharp turns when it should be all butter smooth.

3

Here we are 3 years later and this thing is still not usable. Why add quaternions in the first place if it’s unusable though?