+-- from https://stackoverflow.com/questions/12659562/insert-specific-element-y-after-every-n-elements-in-a-list
+insert :: Int -> a -> [a] -> [a]
+insert n y xs = countdown n xs where
+ countdown 0 xs = y:countdown n xs
+ countdown _ [] = []
+ countdown m (x:xs) = x:countdown (m-1) xs
+
+-- stringToSim :: [String] -> Simulation
+stringToSim strings =
+ _stringToSim st grid (initSimSpace w h)
+ where stripped = strings
+ w = maximum $ [(length s) | s <- stripped]
+ h = length stripped
+ grid = [(a,b) | a <- [0..(length stripped)-1], b <- [0..(length $ stripped !! a)-1]]
+ st = concat stripped
+
+_stringToSim st grid acc =
+ if null grid || null st then acc
+ else _stringToSim (tail st) (tail grid) next
+ where y = fst $ head grid -- not exactly sure why y and x got switched here
+ x = snd $ head grid
+ next = simSet acc (charToChunk $ head st) x y
+