How about XZ plane?

[AntonioModer]

Now library work only in XY-view coordinates for 2D. Will be very good if be version for XZ-view coordinates! I try do this, but without results. SSS135 wrote that it is broken: https://forum.unity3d.com/threads/now-free-light2d-gpu-lighting-system.310732/page-3#post-2159103

This how library work in XZ-view coordinates now (not correctly):

This how library must be work correctly in XZ-view: