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MicroSplat is the fastest and most feature rich terrain shader available. From flowing water and lava, to simple blending of objects with terrains, to anti-tiling features like Texture Clustering, Snow Tracks, decals and mesh based workfows, MicroSplat does it all and does it faster. Supports up to 32 PRB textures per terrain or object
Please read the documentation in Packages/MicroSplat-Core/Documentation/MicroSplat Documentation to get started.