BehaviorSpace Example

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Uri_dolphin3 Uri Wilensky (Author)

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Model group CCL | Visible to everyone | Changeable by group members (CCL)
Model was written in NetLogo 4.1RC2 • Viewed 468 times • Downloaded 28 times • Run 4 times
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patches-own [
  living?         ;; indicates if the cell is living
  live-neighbors  ;; counts how many neighboring cells are alive
]

to setup-blank
  reset-ticks
  ask patches
    [ cell-death ]
end 

to setup-random
  reset-ticks
  ask patches
    [ ifelse random-float 100.0 < initial-density
        [ cell-birth ]
        [ cell-death ] ]
end 

to cell-birth
  set living? true
  set pcolor fgcolor
end 

to cell-death
  set living? false
  set pcolor bgcolor
end 

to go
  if mouse-down?
    [ stop ]  ;; wait for user to stop drawing
  ask patches
    [ set live-neighbors count neighbors with [living?] ]
  ;; Starting a new "ask patches" here ensures that all the patches
  ;; finish executing the first ask before any of them start executing
  ;; the second ask.  This keeps all the patches in sync with each other,
  ;; so the births and deaths at each generation all happen in lockstep.
  ask patches
    [ ifelse live-neighbors = 3
        [ cell-birth ]
        [ if live-neighbors != 2
            [ cell-death ] ] ]
  tick
end 

to add-cells
  if mouse-down?
    [ ask patch mouse-xcor mouse-ycor
        [ cell-birth ] ]
  display
end 

to remove-cells
  if mouse-down?
    [ ask patch mouse-xcor mouse-ycor
        [ cell-death ] ]
  display
end 

There are 3 versions of this model.

Uploaded by When Description Download
Uri Wilensky over 8 years ago Updated from NetLogo 4.1 Download this version
Uri Wilensky almost 9 years ago BehaviorSpace Example Download this version
Uri Wilensky almost 9 years ago BehaviorSpace Example Download this version

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