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Can't make the Wind Directional Source work on imported Speedtree mesh

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KayHuang node

I encountered a problem when importing the st. file into Unreal Engine 5.  When I added the Wind Directional Source in UE5, the tree didn’t move.  I wonder which step I did wrong. I tried many ways to fix it but haven’t resolved the problem yet.

-I tried to add Speedtree or Speedtree Wind node to the World Position Offset in UE5, but the tree is acting crazy.

-Then, I tried to export it as st9. format from Speedtree. The tree automatically shook when imported into UE5 without adding the Wind Directional Source, but the opacity map was not acting well.

Below are some screenshots of my settings.

Does anybody know how I can fix it?


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