the leaves can't Double-sided shows when I used the "mesh" Geometry Mode

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I’m new to Unity.I was experimenting with the Island demo trees.But when I used the “mesh” Geometry Mode to creat leaves (in the trees engine),I found the leaves can’t Double-sided shows,although the mesh materials is Nature/Tree soft Occlusion Leaves.can you tell me why ?

1 Answer

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Unity doesnt render a backface per se from meshes.
If you want your meshes to show a backface you need to either adjust your shader (there are plenty of topics on that), or you can model a backside in your favourite 3D app.