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foliage for Unreal Engine


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I wondered if anybody would be willing to share tips for creating foliage for Unreal Engine.

I'm about to start off experimenting. I'm concerned about ...


1. total poly count
2. whether to use meshes or opacity mapped leaves
3. how I should set up groups of leaves and branches so they're easy to deal with and efficient in UE







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Hi Mark,


I dont have much experience with unreal but do you know http://overview.artbyrens.com/

? :rolleyes: He uses growfx for the vegetation as far as I know.

For the whole real-time thing I guess the polycount has to be as low as possible. And most people use an alpha-map as opacity in combination with a low poly mesh.

"artbyrens" doesnt use very complex shaders, just diffuse/normal/height/transluceny + Alpha and it looks super good to me.




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  • 2 months later...
11 hours ago, Bestjoker86 said:

Hi Mark,


did you found a good way to export growfx stuff and import it to the unreal engine? I'm very interested in that. Also poly count info if you know something about.





Hi Ben


Good timing. I'd been doing other things, but I'm just about to start up again. I'm still trying to figure out the best solution for the particular tree I'm doing. It has clumps of blossom, so it's a liitle trickier than leaves to get looking good.


I took a look at some of the assets in the marketplace. I'm sorry, I can't remember the exact numbers, but if you're going to use many trees in a scene, as few polys as possible. It's still not at the stage where you can go crazy. If it's a hero tree, then you can up the number. Export is just FBX of the whole tree.


In the end, I decided to just get the trunk and main branches out of GrowFX and model the smaller branches, leaves and blossom seperately, although you could do them in GrowFX too. The poly count really jumps if you do smaller branches with meshes, even if you reduce the detail. The solution is to make some variants as meshes, bake them onto planes and position them as naturally as possible. Not GrowFX, but here are some of the links I'm using as reference. Also please let me know if you find anything useful!

















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