Formation (elm_playground.Formation)

type spot = Playground.number * Playground.number

val at : 
  half_w:Playground.number ->
  half_h:Playground.number ->
  up:bool ->
  spot ->
  Playground.number * Playground.number

val belongs : 
  pull:Playground.number ->
  home:(Playground.number * Playground.number) ->
  ball:(Playground.number * Playground.number) ->
  Playground.number * Playground.number

val nearest : 
  ('p -> Playground.number * Playground.number) ->
  ('p -> bool) ->
  (Playground.number * Playground.number) ->
  'p list ->
  int option

val run_to : 
  speed:Playground.number ->
  bounds:(Playground.number * Playground.number) ->
  (Playground.number * Playground.number) ->
  (Playground.number * Playground.number) ->
  (Playground.number * Playground.number)
  * (Playground.number * Playground.number)