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Opening the world origin rebasing affects particle collisions

I have a demo scene that about 50km in length(like rails staff),Now I found that in the case of use the "world origin rebasing" function, the particles whitch follow moving actor does not work well during play mode(but looks good in editor mode),the particles would penetrating models or collision. But when I close the "world origin rebasing" every thing is working right.anyone knows what happends,Please?

In editor alt text

In play alt text

Product Version: UE 4.18
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asked Mar 28 '18 at 06:45 AM in Using UE4

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