advent-utils.grid — advent-utils 0.1.4

adj-coords-2d clj

(adj-coords-2d [x y] & {:keys [include-diagonals]})

Coordinates of adjacent points. If include-diagonals is not set or false, returns the four adjacent points (of the von Neumann neighborhood), always in the order N W S E. If include-diagonals is set to true, return the eight adjacent coordinates (of the Moore neighborhood)

Grid2D clj protocol

A two-dimensional grid of values

height clj

(height this)

The total height of the grid (number of cells in the vertical direction)

neighbors-4 clj

(neighbors-4 this pos)

A map of the positions and values of the four nearest (von Neumann) neighbors of position pos

neighbors-8 clj

(neighbors-8 this [x y])

A map of the positions and values of the eight nearest (Moore) neighbors, including diagonals, of position pos

slice clj

(slice this dim idx)

A slice of the grid along dim (:row or :col) at index idx

value clj

(value this pos)

The value of the grid at position pos

width clj

(width this)

The total width of the grid (number of cells in the horizontal direction)

Grid2D->ascii clj

(Grid2D->ascii charmap grid2d)

Convert a Grid2D into an ASCII-art string representation.

charmap is a map where the keys are ASCII chars and the values are expected to be symbols to use in your application. Ex.: (def charmap {. :space # :wall})