turtles-own [
  rock paper scissors ;; each turtle will be designated rock paper or scissors
]

globals [ 
  count-rock count-paper count-scissors 
]


to setup
  clear-all
  ;hstogram [color] of turtles ;; (not working)
  ask patches [ 
    set pcolor white  ;; make the background white
  ]
  create-turtles population [
    setup-turtle
  ]
  reset-ticks
end

to setup-turtle
  set rock random-float 1
  set paper random-float 1
  set scissors random-float 1
  let total rock + paper + scissors
  set rock rock / total
  set paper paper / total
  set scissors scissors / total
  update-breed
  setxy random-xcor random-ycor 
end

to update-breed
  set color (list (floor (rock * 255.999999)) (floor (paper * 255.999999)) (floor (scissors * 255.999999)))
  let max-value max (list rock paper scissors)
  if max-value = rock [ 
    set shape "pentagon"
    set count-rock count-rock + 1
  ]
  if max-value = paper [
    set shape "square"
    set count-paper count-paper + 1
  ] 
  if max-value = scissors [
    set shape "triangle"
    set count-scissors count-scissors + 1
  ]
end

to decrease-breed
  let max-value max (list rock paper scissors)
  if max-value = rock [ 
    set shape "pentagon"
    set count-rock count-rock - 1
  ]
  if max-value = paper [
    set shape "square"
    set count-paper count-paper - 1
  ] 
  if max-value = scissors [
    set shape "triangle"
    set count-scissors count-scissors - 1
  ]
end

to go
  wiggle-walk
  combat
;  change-shape
;  update-data
  tick
end

to wiggle-walk
  ask turtles [
    left random 30 
    right random 30
    forward 1
  ]
end

to combat 
  ask turtles [
    let possible-opponents other (turtles in-radius 1)
    if any? possible-opponents [
      let opponent one-of possible-opponents
      let strategy random-strategy
      let opponent-strategy [random-strategy] of opponent
      if strategy != opponent-strategy [
        ifelse ((strategy - 1) mod 3) = opponent-strategy [
          record-victory opponent strategy
        ]
        [
          ask opponent [
            record-victory myself opponent-strategy
          ]
        ]
      ]
    ]
  ]
end

to record-victory [opponent strategy]
  hatch 1 [
    mutate strategy
    set heading random-float 360
    update-breed  
  ]
  ask opponent [
    decrease-breed
    die
  ]
end

to mutate [strategy]
  ifelse mutation-favors-victor? [
    let mutation-amount random-float max-mutation
    if strategy = 0 [
      set rock rock + mutation-amount
      set paper paper - mutation-amount / 2
      set scissors scissors - mutation-amount / 2
    ]
    if strategy = 1 [
      set rock rock - mutation-amount / 2
      set paper paper + mutation-amount 
      set scissors scissors - mutation-amount / 2
    ]
    if strategy = 2 [
      set rock rock - mutation-amount / 2
      set paper paper - mutation-amount / 2
      set scissors scissors + mutation-amount 
    ]
    set rock max list 0 (min list 1 rock)
    set paper max list 0 (min list 1 paper)
    set scissors max list 0 (min list 1 scissors)
  ]
  [
    set rock rock + random-float max-mutation
    set paper paper + random-float max-mutation
    set scissors scissors + random-float max-mutation
  ]
  let total rock + paper + scissors
  set rock rock / total
  set paper paper / total
  set scissors scissors / total
end

to-report random-strategy
  let strategy 0
  let selector random-float 1
  ifelse selector < rock [
    set strategy 0
  ]
  [
    set selector selector - rock
    ifelse selector < paper [
      set strategy 1
    ]
    [
      set strategy 2
    ]
  ]
  report strategy
end

to-report dominant-strategy
  let strategy 0
  let max-value max (list rock paper scissors)
  if max-value = rock [ 
    set strategy 0
  ]
  if max-value = paper [
    set strategy 1
  ] 
  if max-value = scissors [
    set strategy 2
  ]
  report strategy
end



@#$#@#$#@
GRAPHICS-WINDOW
210
10
860
681
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-1
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1
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1
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0
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0
79
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ticks
30.0

BUTTON
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88
140
121
NIL
setup
NIL
1
T
OBSERVER
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NIL
1

PLOT
744
15
1221
323
RPS Values
Time
% RPS
0.0
100.0
0.0
100.0
true
true
"" ""
PENS
"Rock" 1.0 0 -2674135 true "" "plot count-rock"
"Paper" 1.0 0 -13840069 true "" "plot count-paper"
"Scissors" 1.0 0 -13791810 true "" "plot count-scissors"

PLOT
809
400
1009
550
color-histogram
NIL
NIL
0.0
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0.0
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true
false
"" ""
PENS
"rock-graph" 1.0 0 -2674135 true "" ""

SLIDER
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171
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204
Population
Population
0
6400
3200
50
1
NIL
HORIZONTAL

BUTTON
49
306
112
339
NIL
Go
T
1
T
OBSERVER
NIL
NIL
NIL
NIL
1

SWITCH
11
401
208
434
mutation-favors-victor?
mutation-favors-victor?
1
1
-1000

SLIDER
27
491
199
524
max-mutation
max-mutation
0
0.5
0.05
0.005
1
NIL
HORIZONTAL

@#$#@#$#@
## WHAT IS IT?

A program with turtles labeled as Rock, Paper, Scissors that combat each other and mutate according to which of the turtles win. 

## HOW IT WORKS

You press set up and watch the turtles combat.  You can adjust the amount of turtles on the plane at a time and monitor the amount of Rock, Paper, and Scissors on the graph.

## HOW TO USE IT

First, adjust the amount of turtles that you want to see on the plane, then press set up and then press go.  When the turtles are going, you can monitor the amount of turtles that are on the screen.  You can also press whether you want the turtles to mutate or not.

## THINGS TO NOTICE

Notice the graph and the occasional fluctuations of the graph and the turtles on the plane.  There is a graph to show how many turtles of either Rock, Paper, and Scissors are.

## THINGS TO TRY

You can move the slider to choose the amount of turtles that you want to be on the plane.  You can also move the switch if you want the turtles to mutate or not. Also, you can use the slider and choose how much you want the turtle to mutate.

## EXTENDING THE MODEL

I could make the random rgb section of the prgram possibly represent a more random value if i were to work on it more.

## NETLOGO FEATURES

The rgb value does not give an exact even number with 255, so the computer sets it automatically form 0-255 creating 256 spots for the turtles to mutate.

## RELATED MODELS
Rock, Paper, Scissors label by Nick Bennet.  

## CREDITS AND REFERENCES

Thanks to Nick Bennet for teaching and showing me how to program a system with Rock, Paper, Scissors.
@#$#@#$#@
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