Creating normal maps from grayscale

- In our game pipeline,…we may not always have a normal map that we really like,…may not be able to craft it,…or maybe the model isn't quite working,…and we need to create a normal…from an imported grayscale height map.…I'll take a look at my Materials, and what we've got so far…are the Archways, Conveyors, Pipes, and Props.…And I need a new material…that'll work on my floors and walls.…These objects, if we look at them in the prefabs,…are the floors, and these are fairly simple objects in here,…we have a texture in for them.…These need paving and brick,…and this'll let me really build up my scene.…

I'll start out by making another new material,…in this case choosing Create and Material…in the Assets Materials folder, and I'll call this Floor.…My floor material then needs some colors.…I brought in from that chapter four…exercise files 04 textures folder…my brick floor and brick wall,…and they show up here in my Textures folder.…What we can see here is we've got…the brick color for the wall, and a normal.…And then, there's a paving pattern,…