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 globals [time velocity current x0 y0 xstart dist distbetween distwith distagainst vwith vagainst x1 y1 x1start]


to setup
 ca
 crt 2
 set time 0
 set dist distapart_slider
 set x0 0 - dist / 2
 set y0 0
 set xstart x0
 set velocity motor_slider
 set current current_slider
 ask turtles
 [

   if who = 0
   [
    set color red
    set shape "boat"
    set size 2
    set vwith velocity + current 
    setxy (x0) (y0)
    pd
   ]
   if who = 1
   [
      set color green
    set shape "boat"
    set x1 x0 + dist
    set y1 y0
    set x1start x1
    set size 2
    set vagainst velocity - current
    setxy (x1) (y1)  
    pd
    set distbetween x1 - x0 
   ]
 ]
 end
 
 to travel
   set time time + 0.01
   ask turtles
   [
   if who = 0
   [
      set x0 x0 + vwith * 0.01
   
      setxy (x0) (y0)
     
   ]
   if who = 1
   [
      set x1 x1 - vagainst * 0.01
      
      setxy (x1) (y0)
     
   ]
   ]
   set distbetween x1 - x0
   set distwith x0 - xstart
   set distagainst x1start - x1
   wait .0001
   plot_it
   end
   
to plot_it
  
   set-current-plot "DistancePlot"

  ask turtles
  [
      if who = 0
      [
         set-current-plot-pen "distbetween"
         plot distbetween
         set-current-plot-pen "distwith"
         plot distwith
         set-current-plot-pen "distagainst"
         plot distagainst
      ]
   ]
end
      
 
@#$#@#$#@
GRAPHICS-WINDOW
303
10
733
461
17
17
12.0
1
10
1
1
1
0
1
1
1
-17
17
-17
17

CC-WINDOW
5
475
958
570
Command Center
0

BUTTON
39
42
104
76
Reset
setup
NIL
1
T
OBSERVER
T
NIL

SLIDER
37
98
210
131
current_slider
current_slider
0
10
5
1
1
mph

SLIDER
37
135
210
168
motor_slider
motor_slider
0
30
20
1
1
mph

BUTTON
129
42
195
76
Travel
travel
NIL
1
T
OBSERVER
T
NIL

PLOT
749
19
949
169
DistancePlot
Time
Distance
0.0
10.0
0.0
34.0
true
false
PENS
"distbetween" 1.0 0 -16777216 true
"distwith" 1.0 0 -2674135 true
"distagainst" 1.0 0 -10899396 true

MONITOR
40
236
173
285
Downstream Speed
vwith
1
1

MONITOR
39
297
173
346
Upstream Speed
vagainst\n
1
1

SLIDER
36
187
208
220
distapart_slider
distapart_slider
0
34
20
1
1
miles

MONITOR
826
235
883
284
Time
time
3
1

MONITOR
793
180
905
229
Distance Between
distbetween
3
1

@#$#@#$#@
WHAT IS IT?
-----------
This section could give a general understanding of what the model is trying to show or explain.


HOW IT WORKS
------------
This section could explain what rules the agents use to create the overall behavior of the model.


HOW TO USE IT
-------------
This section could explain how to use the model, including a description of each of the items in the interface tab.


THINGS TO NOTICE
----------------
This section could give some ideas of things for the user to notice while running the model.


THINGS TO TRY
-------------
This section could give some ideas of things for the user to try to do (move sliders, switches, etc.) with the model.


EXTENDING THE MODEL
-------------------
This section could give some ideas of things to add or change in the procedures tab to make the model more complicated, detailed, accurate, etc.


NETLOGO FEATURES
----------------
This section could point out any especially interesting or unusual features of NetLogo that the model makes use of, particularly in the Procedures tab.  It might also point out places where workarounds were needed because of missing features.


RELATED MODELS
--------------
This section could give the names of models in the NetLogo Models Library or elsewhere which are of related interest.


CREDITS AND REFERENCES
----------------------
This section could contain a reference to the model's URL on the web if it has one, as well as any other necessary credits or references.
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link
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link direction
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airplane
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arrow
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boat
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box
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Circle -7500403 true true 110 127 80
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car
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circle
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circle 2
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cow
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cylinder
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dot
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face happy
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face neutral
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Circle -16777216 true false 60 75 60
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face sad
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Circle -16777216 true false 60 75 60
Circle -16777216 true false 180 75 60
Polygon -16777216 true false 150 168 90 184 62 210 47 232 67 244 90 220 109 205 150 198 192 205 210 220 227 242 251 229 236 206 212 183

fish
false
0
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Polygon -1 true false 75 45 83 77 71 103 86 114 166 78 135 60
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Circle -16777216 true false 215 106 30

flag
false
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Polygon -7500403 true true 90 150 270 90 90 30
Line -7500403 true 75 135 90 135
Line -7500403 true 75 45 90 45

flower
false
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Circle -7500403 true true 85 132 38
Circle -7500403 true true 130 147 38
Circle -7500403 true true 192 85 38
Circle -7500403 true true 85 40 38
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Circle -16777216 true false 113 68 74
Polygon -10899396 true false 189 233 219 188 249 173 279 188 234 218
Polygon -10899396 true false 180 255 150 210 105 210 75 240 135 240

house
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Rectangle -16777216 true false 120 210 180 285
Polygon -7500403 true true 15 120 150 15 285 120
Line -16777216 false 30 120 270 120

leaf
false
0
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Polygon -7500403 true true 135 195 135 240 120 255 105 255 105 285 135 285 165 240 165 195

line
true
0
Line -7500403 true 150 0 150 300

line half
true
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Line -7500403 true 150 0 150 150

pentagon
false
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Polygon -7500403 true true 150 15 15 120 60 285 240 285 285 120

person
false
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Polygon -7500403 true true 105 90 120 195 90 285 105 300 135 300 150 225 165 300 195 300 210 285 180 195 195 90
Rectangle -7500403 true true 127 79 172 94
Polygon -7500403 true true 195 90 240 150 225 180 165 105
Polygon -7500403 true true 105 90 60 150 75 180 135 105

plant
false
0
Rectangle -7500403 true true 135 90 165 300
Polygon -7500403 true true 135 255 90 210 45 195 75 255 135 285
Polygon -7500403 true true 165 255 210 210 255 195 225 255 165 285
Polygon -7500403 true true 135 180 90 135 45 120 75 180 135 210
Polygon -7500403 true true 165 180 165 210 225 180 255 120 210 135
Polygon -7500403 true true 135 105 90 60 45 45 75 105 135 135
Polygon -7500403 true true 165 105 165 135 225 105 255 45 210 60
Polygon -7500403 true true 135 90 120 45 150 15 180 45 165 90

square
false
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Rectangle -7500403 true true 30 30 270 270

square 2
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star
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target
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Circle -16777216 true false 30 30 240
Circle -7500403 true true 60 60 180
Circle -16777216 true false 90 90 120
Circle -7500403 true true 120 120 60

tree
false
0
Circle -7500403 true true 118 3 94
Rectangle -6459832 true false 120 195 180 300
Circle -7500403 true true 65 21 108
Circle -7500403 true true 116 41 127
Circle -7500403 true true 45 90 120
Circle -7500403 true true 104 74 152

triangle
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Polygon -7500403 true true 150 30 15 255 285 255

triangle 2
false
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Polygon -16777216 true false 151 99 225 223 75 224

truck
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Rectangle -7500403 true true 4 45 195 187
Polygon -7500403 true true 296 193 296 150 259 134 244 104 208 104 207 194
Rectangle -1 true false 195 60 195 105
Polygon -16777216 true false 238 112 252 141 219 141 218 112
Circle -16777216 true false 234 174 42
Rectangle -7500403 true true 181 185 214 194
Circle -16777216 true false 144 174 42
Circle -16777216 true false 24 174 42
Circle -7500403 false true 24 174 42
Circle -7500403 false true 144 174 42
Circle -7500403 false true 234 174 42

turtle
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Polygon -10899396 true false 215 204 240 233 246 254 228 266 215 252 193 210
Polygon -10899396 true false 195 90 225 75 245 75 260 89 269 108 261 124 240 105 225 105 210 105
Polygon -10899396 true false 105 90 75 75 55 75 40 89 31 108 39 124 60 105 75 105 90 105
Polygon -10899396 true false 132 85 134 64 107 51 108 17 150 2 192 18 192 52 169 65 172 87
Polygon -10899396 true false 85 204 60 233 54 254 72 266 85 252 107 210
Polygon -7500403 true true 119 75 179 75 209 101 224 135 220 225 175 261 128 261 81 224 74 135 88 99

wheel
false
0
Circle -7500403 true true 3 3 294
Circle -16777216 true false 30 30 240
Line -7500403 true 150 285 150 15
Line -7500403 true 15 150 285 150
Circle -7500403 true true 120 120 60
Line -7500403 true 216 40 79 269
Line -7500403 true 40 84 269 221
Line -7500403 true 40 216 269 79
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x
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Polygon -7500403 true true 270 75 225 30 30 225 75 270
Polygon -7500403 true true 30 75 75 30 270 225 225 270

@#$#@#$#@
NetLogo 3.1.1
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