egostism_vs_collaboration.nlogo

turtles-own [energy age] ;; for keeping track of when the turtle is ready
                     ;; to reproduce and when it will die

breed [collabos collabo]
breed [egotics egotic]


to setup
  clear-all
  setup-patches
  setup-collabos
  setup-egotics
  reset-ticks
end

to setup-patches
  ask n-of nb-clusters patches [ ask n-of 15 patches in-radius 5 [ set pcolor green ]]
end

to setup-collabos
  create-collabos number / 2   ;; uses the value of the number slider to create turtles
  ask collabos [ setxy random-xcor random-ycor
    set energy 50
    set color red
    if count collabos > 4 [
      create-links-with n-of 3 other collabos ]
  ]
end

to setup-egotics
  create-egotics number / 2  ;; uses the value of the number slider to create turtles
  ask egotics [ setxy random-xcor random-ycor
    set energy 50
    set color blue
  ]
end



to go
  if count collabos = 0 [ stop ]
  if count egotics = 0 [ stop ]
  if ticks > 20000 [ stop ] ;; stop after 500 ticks
  move-collabos
  move-egotics
  eat-grass
  check-death
  reproduce
  regrow-grass
  tick                    ;; increase the tick counter by 1 each time through
end

to move-collabos
  ask collabos [
    right random 360
    forward 1
    set energy energy - 1  ;; when the turtle moves it looses one unit of energy
  ]
end

to move-egotics
  ask egotics [
    right random 360
    forward 1
    set energy energy - 1  ;; when the turtle moves it looses one unit of energy
  ]
end

to eat-grass
  ask collabos [
    if pcolor = green [
      set pcolor black
           ;; the value of energy-from-grass slider is added to energy
      set energy energy + energy-from-grass  ;;variable will stay
      let good-patch patch-here ;;variable will disappear
      ask link-neighbors [move-to good-patch]
    ]
  ifelse show-energy?
    [ set label energy ] ;; the label is set to be the value of the energy
    [ set label "" ]     ;; the label is set to an empty text value
  ]

  ask egotics [
    if pcolor = green [
      set pcolor black
           ;; the value of energy-from-grass slider is added to energy
      set energy energy + energy-from-grass  ;;variable will stay
      let good-patch patch-here ;;variable will disappear
    ]
  ifelse show-energy?
    [ set label energy ] ;; the label is set to be the value of the energy
    [ set label "" ]     ;; the label is set to an empty text value
  ]
end

to check-death
  ask egotics [
    if energy <= 0 [ die ] ;; removes the turtle if it has no energy left
  ]
  ask collabos [
    if energy <= 0 [ die ] ;; removes the turtle if it has no energy left
  ]
end

to reproduce
  ask collabos [
    if energy > 2 * birth-energy [
      set energy energy - birth-energy  ;; take away birth-energy to give birth
      hatch 1 [ set energy birth-energy
        if count collabos > 4 [
          create-links-with n-of 3 other collabos ]
      ] ;; give this birth-energy to the offspring
    ]
  ]

  ask egotics [
    if energy > 2 * birth-energy [
      set energy energy - birth-energy  ;; take away birth-energy to give birth
      hatch 1 [ set energy birth-energy
      ] ;; give this birth-energy to the offspring
    ]
  ]
end



to regrow-grass

    if random 100 < 3 [
    ask n-of nb-clusters patches [
      ask n-of 15 patches in-radius 5 [
        set pcolor green
  ]] ]

end
@#$#@#$#@
GRAPHICS-WINDOW
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ticks
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BUTTON
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setup
setup
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T
OBSERVER
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MONITOR
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count turtles
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MONITOR
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green patches
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SWITCH
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show-energy?
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PLOT
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Totals
time
totals
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0.0
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true
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"" ""
PENS
"egos" 1.0 0 -16777216 true "" "plot count egotics"
"grass" 1.0 0 -7500403 true "" "plot count patches with [pcolor = green]"
"collabos" 1.0 0 -2674135 true "" "plot count collabos"

SLIDER
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number
number
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HORIZONTAL

SLIDER
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energy-from-grass
energy-from-grass
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SLIDER
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birth-energy
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SLIDER
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nb-clusters
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BUTTON
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go
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T
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OBSERVER
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@#$#@#$#@
## WHAT IS IT?

(a general understanding of what the model is trying to show or explain)

## HOW IT WORKS

(what rules the agents use to create the overall behavior of the model)

## HOW TO USE IT

(how to use the model, including a description of each of the items in the Interface tab)

## THINGS TO NOTICE

(suggested things for the user to notice while running the model)

## THINGS TO TRY

(suggested things for the user to try to do (move sliders, switches, etc.) with the model)

## EXTENDING THE MODEL

(suggested things to add or change in the Code tab to make the model more complicated, detailed, accurate, etc.)

## NETLOGO FEATURES

(interesting or unusual features of NetLogo that the model uses, particularly in the Code tab; or where workarounds were needed for missing features)

## RELATED MODELS

(models in the NetLogo Models Library and elsewhere which are of related interest)

## CREDITS AND REFERENCES

(a reference to the model's URL on the web if it has one, as well as any other necessary credits, citations, and links)
@#$#@#$#@
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@#$#@#$#@
NetLogo 6.1.1
@#$#@#$#@
@#$#@#$#@
@#$#@#$#@
<experiments>
  <experiment name="my-first-experiment" repetitions="50" runMetricsEveryStep="false">
    <setup>setup</setup>
    <go>go</go>
    <metric>ticks</metric>
    <enumeratedValueSet variable="show-energy?">
      <value value="false"/>
    </enumeratedValueSet>
    <enumeratedValueSet variable="number">
      <value value="51"/>
    </enumeratedValueSet>
    <enumeratedValueSet variable="energy-from-grass">
      <value value="0"/>
      <value value="10"/>
      <value value="20"/>
      <value value="30"/>
    </enumeratedValueSet>
    <enumeratedValueSet variable="birth-energy">
      <value value="1"/>
      <value value="5"/>
      <value value="10"/>
      <value value="15"/>
      <value value="20"/>
      <value value="25"/>
      <value value="30"/>
      <value value="35"/>
      <value value="40"/>
      <value value="45"/>
      <value value="50"/>
    </enumeratedValueSet>
  </experiment>
  <experiment name="my-second-experiment" repetitions="100" runMetricsEveryStep="false">
    <setup>setup</setup>
    <go>go</go>
    <metric>count collabos</metric>
    <metric>count egotics</metric>
    <enumeratedValueSet variable="show-energy?">
      <value value="false"/>
    </enumeratedValueSet>
    <enumeratedValueSet variable="number">
      <value value="20"/>
    </enumeratedValueSet>
    <enumeratedValueSet variable="energy-from-grass">
      <value value="30"/>
    </enumeratedValueSet>
    <enumeratedValueSet variable="birth-energy">
      <value value="20"/>
    </enumeratedValueSet>
    <enumeratedValueSet variable="nb-clusters">
      <value value="5"/>
    </enumeratedValueSet>
  </experiment>
</experiments>
@#$#@#$#@
@#$#@#$#@
default
0.0
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0.0 1 1.0 0.0
0.2 0 0.0 1.0
link direction
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0
Line -7500403 true 150 150 90 180
Line -7500403 true 150 150 210 180
@#$#@#$#@
0
@#$#@#$#@