Open mdsumner opened 1 year ago
and migrate the corner versions from affinity to here
affinity was different, it doesn't remove opposite padded row,col
I think it's just the corner vs centre difference - so needs a slightly different take
good names - u() d() l() r() tl(), tr(), bl(), br() credit Jessica Burnett https://twitter.com/trashbirdecol/status/1640363172782653441?s=20
this completes the adjacency-8 started by tl(), tr(), br(), bl() and gives us the full adjacency set