level.grid
adjacent-wall-positions
(adjacent-wall-positions grid)
cave-grid
(cave-grid & {:keys [size]})
flood-fill
(flood-fill grid start walk-on-position?)
printgrid
(printgrid grid)
Prints with y-up coordinates.
scale-grid
(scale-grid grid [w h])
scalegrid
(scalegrid grid factor)
transition-idx-value
(transition-idx-value position position->transition?)