manhattan
Manhattan (taxicab) distance — |Δcol| + |Δrow|. This is the radius used by the Von Neumann neighborhood: cells within Manhattan distance 1 form the 4-cell cross around this one.
Manhattan (taxicab) distance — |Δcol| + |Δrow|. This is the radius used by the Von Neumann neighborhood: cells within Manhattan distance 1 form the 4-cell cross around this one.