Copyright	(c) Michael Szvetits 2023
License	BSD-3-Clause (see the file LICENSE)
Maintainer	typedbyte@qualified.name
Stability	stable
Portability	portable
Safe Haskell	Safe-Inferred
Language	GHC2021

Chess.Board.Direction

Description

Types and functions to represent and manipulate directions on a chess board.

Synopsis

Documentation

Represents a two-dimensional direction on a chess board.

Constructors

Direction
Fields rowDelta :: Int The row component of the direction. columnDelta :: Int The column component of the direction.

Yields the integral vector pointing to the left, where the leftmost column is labelled A.

Yields the integral vector pointing to the right, where the leftmost column is labelled A.

Yields the integral vector pointing up, where the lowest row is labelled 1.

Yields the integral vector pointing down, where the lowest row is labelled 1.

Yields the four integral vectors in the directions up, right, down and left.

Yields the four integral vectors in the directions left up, right up, right down and left down.

Yields the combination of orthogonal and diagonal integral vectors.

Yields the eight directions a knight is able to jump, according to the standard rules.