public extern float[,,] GetAlphamaps(int x, int y, int width, int height); [MethodImpl(MethodImplOptions.InternalCall)]
private static TextureData GetTerrainTextures(TerrainData terrainData) { return new TextureData { SplatMaps = terrainData.GetAlphamaps(0, 0, terrainData.alphamapWidth, terrainData.alphamapHeight), ControlTextureResolution = terrainData.alphamapResolution }; }