Subject: ANNOUNCE: grid-3.0.1 (tile maps for board games or maths)
I'm happy to announce a new major release of the grid package: http://hackage.haskell.org/package/grid https://github.com/mhwombat/grid/wiki (wiki) WHAT'S NEW: Functions for reporting the boundary and centre of bounded grid have been added, along with some miscellaneous new utility functions. IMPORTANT: The order of parameters for some functions has changed to make it easier to use them with map and fold operations. ABOUT GRID: Grid provides tools for working with regular arrangements of tiles, such as might be used in a board game or self-organising map (SOM). Grid currently supports triangular, square, and hexagonal tiles, with various 2D and toroidal layouts. If you need a tile shape or layout that isn't currently provided, please let me know. See Math.Geometry.Grid for an example of how to use the package. Suggestions for improvement are welcome.
On 18/02/13 13:41, Amy de Buitléir wrote:
I'm happy to announce a new major release of the grid package:
http://hackage.haskell.org/package/grid https://github.com/mhwombat/grid/wiki (wiki)
After taking a peek at the documentation: have you considered removing the size function from Grid? It is the only function that actually uses the type parameter 's'. If you really need it, I would suggest putting it in a separate class, class HasSize a s | a -> s where size :: a -> s It might also be useful to add a rectangular grid type where diagonally adjacent cells are also neighbors. Another interesting idea is to have modifier types that change which cells are neighbors, for example you could have class Colinear g x | g x where -- | Are three points separated by moves in the same direction? isColinear :: g -> x -> x -> x -> Bool -- neighbors are separated by diagonal moves newtype Diagonal g = Diagonal g instance (Grid g, Colinear g x) => Grid (Diagonal g) x where neighbors g x = [z | y <- neigbhors x, z <- neigbhors y , not (isColinear x y z)] newtype Rook g = ... newtype Knight g = ... -- etc. Twan
Twan van Laarhoven
After taking a peek at the documentation: have you considered removing the size function from Grid? . . . It might also be useful to add a rectangular grid type where diagonally adjacent cells are also neighbors. . . . Another interesting idea is to have modifier types that change which cells are neighbors, for example you could have
Those are all great suggestions, thank you. I'll look into incorporating them into the next major release.
participants (2)
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Amy de Buitléir -
Twan van Laarhoven