Ask Ordering Example

to setup
  clear-all
  create-turtles floor (world-width / 3) [
    set xcor 1 + who * 3  ;; space out the turtles in order by who number
    set color color - 2   ;; darker
    set size 1 + random-float 3
    set heading 0
    set label who
  ]
  reset-ticks
end 

;;; three different version of GO

to go-random
  ask turtles
    [ fd 1 ]
  tick
end 

to go-by-who-number
  foreach sort turtles
    [ ask ?
        [ fd 1 ] ]
  tick
end 

to go-by-size
  foreach sort-by [[size] of ?1 > [size] of ?2] turtles
    [ ask ?
        [ fd 1 ] ]
end 


; Public Domain:
; To the extent possible under law, Uri Wilensky has waived all
; copyright and related or neighboring rights to this model.