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Question by Schloufi · Jun 04, 2020 at 03:37 PM · treelod

Why does my LOD tree decrease performance ?

Hi all,

I'm quite new to Unity and have performance issue with my trees and details (grass and flowers) : I think they shouldn't lower the FPS as much as they do.

So I tried to use LOD and made a LOD version of one of my trees that seems nice.

I then made a sample scene with only a player and a lot of this tree (with the Terrain / Trees tool) to see the difference between using the "full details" tree prefab and the LOD tree prefab.

But here is the problem : when I use the LOD version, the FPS are very much lower. This seems to come from the batches : I have 2519 "saved by batching" with the LOD trees while 0 with the full details tree.

I really don't understand this result. Am I doing something wrong with the LOD ?

Statistics view with "full details" tree : alt text

Statistics view with LOD tree : alt text

screenshot-nonlod-tree.jpg (21.7 kB)
screenshot-lod-tree.jpg (23.3 kB)
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