In a 14 second long animation, I have a particle system emitting objects from a logo, and a plane with force field physics as a wind source, moving during the animation so the particles swirl in different directions.

It appears to work when I scrub the cursor in the Timeline, Dopesheet or Graph Editor. But when I Render Animation, the particles move only under the influence of normal velocity and Brownian, no wind.

I've looked over all the settings for the particle system and the wind physics, and don't see why wind works in some conditions but not others. There might be some trouble due to using render layers yesterday but abandoned that for putting all objects in one layer. But everything renders fine, just not moving as expected.

I'm using Blender 2.8 on Linux, Eevee renderer.


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