Calculate the Chebyshev distance between two sets of coordinates (points).
Chebyshev distance (or chessboard distance) is the maximum of the horizontal and vertical distances.
It's the effective distance when movement can be horizontal, vertical, or diagonal.
Calculate the Chebyshev distance between two sets of coordinates (points).
Chebyshev distance (or chessboard distance) is the maximum of the horizontal and vertical distances. It's the effective distance when movement can be horizontal, vertical, or diagonal.