Lattice-Walking Turtles Example

Lattice-Walking Turtles Example preview image

1 collaborator

Uri_dolphin3 Uri Wilensky (Author)

Tags

code example 

Tagged by Reuven M. Lerner over 9 years ago

Model group CCL | Visible to everyone | Changeable by group members (CCL)
Model was written in NetLogo 5.0.4 • Viewed 464 times • Downloaded 41 times • Run 1 time
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breed [nodes node]
breed [walkers walker]

walkers-own [location]  ;; holds a node

to setup
  clear-all
  set-default-shape nodes "hex"
  ;; create a hex grid of nodes
  ask patches
  [ sprout-nodes 1
    [ set color gray - 3.5 ;; dark gray
      set size 1.2
      ;; shift even columns down
      if pxcor mod 2 = 0
      [ set ycor ycor - 0.5 ] ] ]
  ;; connect the nodes to make a lattice
  ask nodes
  [ ifelse pxcor mod 2 = 0
      [ create-links-with nodes-on patches at-points [[0 1] [1 0] [1 -1]] ]
      [ create-links-with nodes-on patches at-points [[0 1] [1 1] [1 0]] ] ]
  ask links [ hide-link ]
  ;; put some "walker" turtles on the lattice
  create-walkers 20 [
    set color red
    set location one-of nodes
    move-to location
  ]
  reset-ticks
end 

to go
  ask walkers [
    set-location one-of [link-neighbors] of location
  ]
  tick
end 

to set-location [new-location]  ;; walker procedure
  set location new-location
  face new-location  ;; not strictly necessary, but improves the visuals a bit
  move-to new-location
end 


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

There are 10 versions of this model.

Uploaded by When Description Download
Uri Wilensky over 9 years ago Updated to NetLogo 5.0.4 Download this version
Uri Wilensky almost 10 years ago Updated version tag Download this version
Uri Wilensky over 10 years ago Updated to NetLogo 5.0 Download this version
Uri Wilensky over 12 years ago Updated from NetLogo 4.1 Download this version
Uri Wilensky over 12 years ago Updated from NetLogo 4.1 Download this version
Uri Wilensky over 12 years ago Updated from NetLogo 4.1 Download this version
Uri Wilensky over 12 years ago Updated from NetLogo 4.1 Download this version
Uri Wilensky over 12 years ago Model from NetLogo distribution Download this version
Uri Wilensky over 12 years ago Lattice-Walking Turtles Example Download this version
Uri Wilensky over 12 years ago Lattice-Walking Turtles Example Download this version

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Lattice-Walking Turtles Example.png preview Preview for 'Lattice-Walking Turtles Example' over 9 years ago, by Uri Wilensky Download

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