This is a paid asset, but now you can download AltTrees System [Beta] Free.
Detail this asset from Unity Store: Original Link
AltTrees System Beta v0.9.8.2 (Latest version)
AltTrees is an alternative tree system for Unity. Supports SpeedTree, Tree Creator, and meshes.
AltTree SpeedTrees are 10 times faster than Unity SpeedTrees(watch the video)
It’s easy to plant trees, shrubs, flowers, rocks, stumps, etc. And it works fast.
Available Features:
– Source code included
– Multithreading
– GPU instancing
– PBR
– LOD system
– Fast billboard system
– Cross-fade LOD transitions
– Floating origin(jump to the center for large worlds)
– Import trees: SpeedTree, Tree Creator, and meshes
– Import/export trees from/to Unity Terrain
– Plant trees on Unity Terrain and any other meshes
– Easy tree editing
– Wind(SpeedTree, TreeCreator)
– Random hue variations
– Rotation of trees around the Y axis
– And much more…
Planned Features:
– Infinite World
– Planting of several types of trees with one click
– Change the quality of shader graphics during run-time
– Edit and save the trees during the run-time
– Make changes to trees over the network
– Lightmapping
– Rotation of trees around all axes
AltTrees does not include demo scenes, trees, grass, flowers or any other content! Only the Tree System, scripts, and shaders.
Attention! AltTrees was tested only on Windows! The work of Mac and Linux is not guaranteed!
Documentation
Demo scene (161 MB)
YouTube Channel
Forum
Roadmap