Mantis LOD Editor Pro is a complete mesh simplification solution(Include an editor extension, a batch generator, a command-line utility, a standalone app, and a progressive mesh runtime).
You can simplify your meshes and make LOD from within Unity's editor, from the standalone app, or from the command-line tool.
The toolset can generate high quality LOD with extremely low triangles count, this is very important for mobile games.
This product can run on Windows x86_64, Linux and macOS.
This product contains advanced progressive mesh technology for Unity.
What's progressive mesh technology? It is an advanced automatic LOD technology, you no longer have to make LOD manually.
Generated progressive meshes support all platforms, make once, run anywhere.
This product supports Unity 2019.4.39f1 and newer versions.
Features:
Here is the introduction video:
Here is the latest video tutorial:
You can find the plugin's source code at 'Plugins/Managed/MantisLOD.cs', the plugin calls the DLL version by default, for it is much faster than the C# version, you can edit 'Common/MantisLODEditorUtility.cs' to switch the plugin version.
The latest version supports vertex color map(Red channel) as detail map.
You can paint vertex color map with your favorite tools, then use the vertex color map(Red Channel) as detail map to control which area should have more details accurately.
You can download a free vertex color paint tool for Unity from:
https://github.com/meshonline/SimpleVertexPainter
I also provide a free trial standalone app on the download page, feel free to evaluate my products with your own 3d models:
http://www.mesh-online.net/download.html
You can find more details from: