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Wind Direction Adherence in UE4

Hello.

I have some trouble creating leafs that correctly follow the direction of the WindDirectionalSource in UE4.

I have set up such leafs in SpeedTree and they are looking fine - they strictly follows the wind direction. But once I get the tree in UE4, the leaf direction gets weird. Although the leafs seem to be affected when rotating the WindDirectionalSource, they rotate somehow randomly, not showing where the wind blows from... alt text In Speedtree nod in UE4 material I have set up the WindType to BestPlus, as its the only one that is affected by the direction of the WindDirectionalSource.

Any ideas how to better the result? My main goal is the player to be able to learn the wind direction by looking at the leafs, so I need something like the Speedtree results.

Product Version: UE 4.20
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winddirection.jpg (64.7 kB)
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asked May 02 '19 at 10:07 AM in Everything Else

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Piketz
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