to setup
  ca
  crt 1                                 ; create one yellow turtle
  ask turtles [ set color yellow ]
end

to do-random-walk
  every 0.1 [                           ; keep it from going too fast
    ask turtles [
      rt random-float 360               ; set random heading 
      forward 1                         ; advance one step
      stamp blue                        ; stamp blue the patch that has been visited
    ]
  ]
end
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GRAPHICS-WINDOW
313
10
647
365
40
40
4.0
1
10
1
1
1

CC-WINDOW
5
173
302
348
Command Center

BUTTON
59
70
114
103
NIL
setup
NIL
1
T
OBSERVER
T

BUTTON
130
70
266
103
NIL
do-random-walk
T
1
T
OBSERVER
T

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WHAT IS IT?
-----------
This code example is a demo of a basic random walk. At each step, the yellow turtle changes its heading randomly. The patches visited by the turtle are stamped blue.
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default
true
0
Polygon -7566196 true true 150 5 40 250 150 205 260 250

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NetLogo 2.0beta5
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setup
repeat 6000 [     ask turtles [
      rt random-float 360               ; set random heading 
      forward 1                         ; advance one step
      stamp blue                        ; stamp blue the patch that has been visited
    ]
]
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