Spot light delay with Fog

Development Rendering
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1

Hello guys,

I have some spotlights on my danceflor and put an heightfog to make the light visible.

Video: - YouTube
The thing is, that the light is turning completely off in the animation, but still leaves a light trail back.

And this is what I try to achieve: Sample Dance Floor Lighting Vol 2 - YouTube

Like I want to have it more instant, but still have this light visible in the fog.
How can I achieve that?

2

Hey yo,
I’m working on something similar, unfortunately volumetric fog is working that way that you get “temporal reprojection”.

Explained here: A Cheat Sheet on Volumetric Fog in UE4