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

to do-random-walk 
  ask turtles [
    rt random 360                                 ; set random heading 
    forward 1                                     ; advance one step
    stamp blue                                    ; stamp blue the patch that has been visited
    wait 0.1                                      ; delay execution so that the code does not run too fast
    ]
end


; This model was created as part of the project: CONNECTED MATHEMATICS:
; MAKING SENSE OF COMPLEX PHENOMENA THROUGH BUILDING OBJECT-BASED PARALLEL
; MODELS (OBPML)
; The project gratefully acknowledges the support of the National Science
; Foundation (Applications of Advanced Technologies Program) -- grant numbers
; RED #9552950 and REC #9632612.
; 
; Converted from StarLogoT to NetLogo, 2001
; Copyright 1999  by Uri Wilensky. All rights reserved.
; 
; Permission to use, copy, or modify this software and its documentation for
; educational and research purposes only and without fee is hereby granted,
; provided that this copyright notice and the original authors' names appear
; on all copies and supporting documentation. For any other uses of this
; software, in original or modified form, including but not limited to
; distribution in whole or in part, specific prior permission must be
; obtained from Uri Wilensky. These programs shall not be used, rewritten, or
; adapted as the basis of a commercial software or hardware product without
; first obtaining appropriate licenses from Uri Wilensky. We make no
; representations about the suitability of this software for any purpose. It
; is provided "as is" without express or implied warranty.
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CC-WINDOW
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Command Center

BUTTON
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66
136
96
NIL
setup
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1
T
OBSERVER

BUTTON
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66
207
96
Go
do-random-walk
T
1
T
OBSERVER

GRAPHICS-WINDOW
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10
645
334
40
40
4.0
1

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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 1.0 Beta 5
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