Hia! So I'm trying to wrap my head around SpeedTree in Unreal 4 and I'm having some lighting issues - which I'm guessing are somewhat related to normals? I've previously created trees in Maya successfully - but I'm getting some strange, ugly shadows in my new SpeedTree ones. Here's an image with the bad lighting. In the…
In addition to previous suggestions, you can modify the default material created by SpeedTree import. Normally SpeedTree foliage will use opaque shading with normals adjusted to get smooth foliage-like shading. But you can enable "two sided foliage" shading mode and use that to control the look of the trees. It will…
The tree in UE4 is casting shadows on itself, it doesn't matter if the Normals are pointing the same way the alpha planes will still cast a shadow. The tree in SpeedTree is also doing the same thing but the ambient light is much brighter in Speedtree. (White infact) - In Speedtree, click the lightsource at the top right of…