Grids 2D System is a commercial asset for Unity 2018.4 (or later) that allows to:
- Add configurable, optimized and flexible 2D grid to your scene
- Supports voronoi tessellation, boxed and hexagonal types.
- Two levels of regions: cells and territories.
- Powerful selectable and highlighting system for both cells and territories.
- Define cells visibility or territories using textures or the integrated grid configurator
- Coloring and fade support.
- A* Pathfinding support.
- Extensive API (C#) for controlling the grid.
If you need a more powerful version of this asset that also supports Unity terrain and 3D objects, check Terrain Grid System on the Unity Asset Store.