version 1.2 material instansing + bugfixes
version 1.1 all textures are black&white.
Tiles are organized in columns. You can reduce texture size by removing one of the columns or scale whole texture down a couple of times.
Add LightningScript.cs script to the object then specify target game object and desired material.
Script will add LineRenderer in the runtime and continuously alternate between tiles and animate LineRenderer vertices.