Use blendweight 0 and 1 for the 2 textures. then paint with a custom brush that has the shape of the grass to all 360 degrees. that way you can paint any path with it.
Use blendweight 0 and 1 for the 2 textures. then paint with a custom brush that has the shape of the grass to all 360 degrees. that way you can paint any path with it.