On Tuesday I followed some advice I'd gotten from Heather on rooting the base of the foliage to the ground when using a trim sheet with bases in different places on the UVs. I asked if there was a way to mask the bottom of each mesh without having to vertex paint them each seperately in UE4 and she reminded me that I can simply apply it in 3ds max beforehand. I followed this method and used the vertex colours as a mask to lerp the wind with the static position at the bottom of each mesh, and in some cases along the stem if it was thick enough to not be effected by the wind. (eg. the Elephant Leaf plant).
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| Example of the vertex painted foliage |
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| Lerping the wind |
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| Final grass effect |
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