breed [ants ant]
patches-own [pheromone food nest distance-from-nest]
ants-own [carrying-food speed metabolism hunger]
globals [ant-deaths ant-hatches ants-to-respawn mutazioni]

to setup
  clear-all
  reset-ticks
  setup-nest
  setup-food
  setup-ants
  ask patches [p-paint-patch]
  ask ants [t-paint-ant]
  set ant-deaths 0
  set ants-to-respawn 0
  set mutazioni 0
end

to p-paint-patch
  set pcolor black
  if show-pheromone [
    set pcolor scale-color pheromone-color pheromone pheromone-min pheromone-max
  ]
  if show-distance [
    ; 35 * sqrt(2) = ~50
    set pcolor scale-color distance-color distance-from-nest 0.1 50
  ]
  if show-food and food = 1 [
    set pcolor food-color
  ]
  if show-nest and nest = 1 [
    set pcolor nest-color
  ]
end

to t-paint-ant
  set hidden? not show-ants
  ifelse carrying-food = 1 [
    set color ant-carrying-color
  ][
    set color ant-color
  ]
end

to setup-nest
  ask patches [
    p-setup-nest
  ]
end

to p-setup-nest
  ifelse (distancexy nest-x nest-y) < nest-size [
    set nest 1
  ][
    set nest 0
  ]
  set distance-from-nest distancexy nest-x nest-y
end

to setup-food
  add-food-1
  add-food-2
  add-food-3
end

to add-food-1
  ask patches [
    p-add-food food-x-1 food-y-1 food-size-1
  ]
end

to add-food-2
  ask patches [
    p-add-food food-x-2 food-y-2 food-size-2
  ]
end

to add-food-3
  ask patches [
    p-add-food food-x-3 food-y-3 food-size-3
  ]
end

to p-add-food [x y s]
  if (distancexy x y) < s [
    set food 1
  ]
end

to setup-ants
  set-default-shape ants "bug"
  create-ants ants-qty
  ask ants [t-setup-ant]
end

to respawn-ants
  create-ants ants-to-respawn [t-setup-ant]
  set ants-to-respawn 0
end

to t-setup-ant
  set color ant-color
  set carrying-food 0
  ; Ho usato dei float invece che degli int, va bene lo stesso?
  set speed (random (max-speed - min-speed + 1)) + min-speed
  set metabolism (random (max-metabolism - min-metabolism + 1)) + min-metabolism
  set hunger starting-hunger
  setxy nest-x nest-y
  fd nest-size
end

to p-evaporate-pheromone
  set pheromone pheromone * (100 - evaporation-pct) / 100
end

to-report t-pheromone-left
  report [pheromone] of patch-left-and-ahead 45 1
end

to-report t-pheromone-center
  report [pheromone] of patch-ahead 1
end

to-report t-pheromone-right
  report [pheromone] of patch-right-and-ahead 45 1
end

to t-rotate-pheromone
  ; TODO: aggiungere rotazione a caso
  let pleft t-pheromone-left
  let pcenter t-pheromone-center
  let pright t-pheromone-right
  if (pleft >= 0.05 and pleft <= 2) or (pcenter >= 0.05 and pcenter <= 2) or (pright >= 0.05 and pright <= 2)[
  ifelse pleft > pright and pleft > pcenter [
    left 45
  ][
    if pright > pcenter [
      right 45
    ]
  ]]
end

to-report t-nest-left
  report [distance-from-nest] of patch-left-and-ahead 45 1
end

to-report t-nest-center
  report [distance-from-nest] of patch-ahead 1
end

to-report t-nest-right
  report [distance-from-nest] of patch-right-and-ahead 45 1
end

to t-rotate-nest
  let nleft t-nest-left
  let ncenter t-nest-center
  let nright t-nest-right
   ifelse nleft > nright and nleft > ncenter [
     right 45
   ][
     if nright > ncenter [
       left 45
     ]
   ]
end

to-report t-is-over-food
  report ([food] of patch-here = 1)
end

to-report t-is-over-nest
  report ([nest] of patch-here = 1)
end

to t-pick-up-food
  ask patch-here [
    set food 0
  ]
  set carrying-food 1
  rt 180
end

to t-try-pick-up-food
  if carrying-food = 0 and t-is-over-food [
    t-pick-up-food
  ]
end

to t-drop-food
  set carrying-food 0
  rt 180
end

to-report t-try-drop-food
  if carrying-food = 1 and t-is-over-nest [
    t-drop-food
    report true
  ]
  report false
end

to t-add-pheromone
  ask patch-here [
    set pheromone pheromone + 60
  ]
end

to t-die
  set ant-deaths ant-deaths + 1
  ; Die interrompe la funzione!
  die
end

to-report t-partners
  report other turtles in-radius partner-radius with [hunger >= reproduction-hunger]
end

to t-inherit [parents]
  let top-speed max [speed] of parents
  let bottom-speed min [speed] of parents
  set speed (bottom-speed + random (top-speed - bottom-speed + 1))

  let top-metabolism max [metabolism] of parents
  let bottom-metabolism min [metabolism] of parents
  set metabolism (bottom-metabolism + random (top-metabolism - bottom-metabolism + 1))
end

to t-mutation
  set speed (random(max-speed-with-mutation) + 1)
  set metabolism (random(max-metabolism) + 1)
end

to t-hatch
  let partners t-partners
  if any? partners [
    let partner item 0 sort-on [hunger] partners
    let parents (turtle-set self partner)
    ask parents [
      set hunger hunger - reproduction-cost
    ]
    hatch-ants 1 [
      t-setup-ant
      ifelse random 100 > mutation-chance [t-inherit parents]
      [t-mutation
      set mutazioni (mutazioni + 1)]
    ]
    set ant-hatches ant-hatches + 1
  ]
end

to t-resupply
  set hunger hunger + food-value
end

to t-consume-food
  set hunger hunger - metabolism
  if hunger <= 0 [
    t-die
  ]
  if hunger >= reproduction-hunger [
    t-hatch
  ]
end

to t-work
  ifelse carrying-food = 1 [
    t-rotate-nest
    t-add-pheromone
  ][
    t-rotate-pheromone
  ]
  left random random-angle
  right random random-angle
  t-consume-food
  repeat speed [
    fd 1
    t-try-pick-up-food
    if t-try-drop-food [
      t-resupply
    ]
  ]
end

to try-respawn-food-1
  if ticks mod food-r-1 = food-o-1 [
    add-food-1
  ]
end

to try-respawn-food-2
  if ticks mod food-r-2 = food-o-2 [
    add-food-2
  ]
end

to try-respawn-food-3
  if ticks mod food-r-3 = food-o-3 [
    add-food-3
  ]
end

to try-respawn-food
  try-respawn-food-1
  try-respawn-food-2
  try-respawn-food-3
end

to go
  tick
  if food-respawn [
    try-respawn-food
  ]
  respawn-ants
  ask ants [t-work]
  ask patches [p-evaporate-pheromone]
  diffuse pheromone (diffusion-pct / 100)
  ask patches [p-paint-patch]
  ask ants [t-paint-ant]
end
@#$#@#$#@
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@#$#@#$#@
# `2-Random-Mutation`

Questo progetto estende il progetto [`2-evoluzione`](https://github.com/Steffo99/turtle007/tree/2-evoluzione). In questa versione viene aggiunta l'aspetto della mutazione casuale nel modello: le caratteristiche migliori, come la velocità più alta o il metabolismo più basso, possono venire ottenute solo mediante mutazione in quanto non presenti nella popolazione originale.
## Ambiente

### Variabili globali

Sono state aggiunte al modello le seguenti variabili globali:

- `mutazioni`, contiene il numero di mutazioni che si sono verificate dall'inizio della simulazione;
- `mutation-chance`, la probabilità che si verifichi una mutazione;
- `max-speed-with-mutation`, la velocità massima ottenibile mediante mutazione.

### Comportamento delle formiche

Il comportamento delle formiche è stato cambiato nei seguenti modi:

#### Modificato: `t-hatch`

```diff
 let partners t-partners
  if any? partners [
    let partner item 0 sort-on [hunger] partners
    let parents (turtle-set self partner)
    ask parents [
      set hunger hunger - reproduction-cost
    ]
    hatch-ants 1 [
      t-setup-ant
+      ifelse random 100 > mutation-chance [t-inherit parents]
+      [t-mutation
+      set mutazioni (mutazioni + 1)]
+    ]
    set ant-hatches ant-hatches + 1
  ]

```


#### Aggiunto: `t-mutation`

```diff
+to t-mutation
+  set speed (random(max-speed-with-mutation) + 1)
+  set metabolism (random(max-metabolism) + 1)
+end
```

## Dinamica del sistema

La dinamica del sistema rimane pressochè invariata rispetto alla precedente versione, seppur rendendo inaccessibili le caratteristiche migliori se non mediante mutazione. La presenza di mutazione, inoltre, evita una stagnazione in una situazione sub-ottimale.
@#$#@#$#@
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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
0
Line -7500403 true 150 0 150 150

pentagon
false
0
Polygon -7500403 true true 150 15 15 120 60 285 240 285 285 120

person
false
0
Circle -7500403 true true 110 5 80
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

sheep
false
15
Circle -1 true true 203 65 88
Circle -1 true true 70 65 162
Circle -1 true true 150 105 120
Polygon -7500403 true false 218 120 240 165 255 165 278 120
Circle -7500403 true false 214 72 67
Rectangle -1 true true 164 223 179 298
Polygon -1 true true 45 285 30 285 30 240 15 195 45 210
Circle -1 true true 3 83 150
Rectangle -1 true true 65 221 80 296
Polygon -1 true true 195 285 210 285 210 240 240 210 195 210
Polygon -7500403 true false 276 85 285 105 302 99 294 83
Polygon -7500403 true false 219 85 210 105 193 99 201 83

square
false
0
Rectangle -7500403 true true 30 30 270 270

square 2
false
0
Rectangle -7500403 true true 30 30 270 270
Rectangle -16777216 true false 60 60 240 240

star
false
0
Polygon -7500403 true true 151 1 185 108 298 108 207 175 242 282 151 216 59 282 94 175 3 108 116 108

target
false
0
Circle -7500403 true true 0 0 300
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
false
0
Polygon -7500403 true true 150 30 15 255 285 255

triangle 2
false
0
Polygon -7500403 true true 150 30 15 255 285 255
Polygon -16777216 true false 151 99 225 223 75 224

truck
false
0
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
true
0
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
Line -7500403 true 84 40 221 269

wolf
false
0
Polygon -16777216 true false 253 133 245 131 245 133
Polygon -7500403 true true 2 194 13 197 30 191 38 193 38 205 20 226 20 257 27 265 38 266 40 260 31 253 31 230 60 206 68 198 75 209 66 228 65 243 82 261 84 268 100 267 103 261 77 239 79 231 100 207 98 196 119 201 143 202 160 195 166 210 172 213 173 238 167 251 160 248 154 265 169 264 178 247 186 240 198 260 200 271 217 271 219 262 207 258 195 230 192 198 210 184 227 164 242 144 259 145 284 151 277 141 293 140 299 134 297 127 273 119 270 105
Polygon -7500403 true true -1 195 14 180 36 166 40 153 53 140 82 131 134 133 159 126 188 115 227 108 236 102 238 98 268 86 269 92 281 87 269 103 269 113

x
false
0
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 6.1.1
@#$#@#$#@
@#$#@#$#@
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@#$#@#$#@
default
0.0
-0.2 0 0.0 1.0
0.0 1 1.0 0.0
0.2 0 0.0 1.0
link direction
true
0
Line -7500403 true 150 150 90 180
Line -7500403 true 150 150 210 180
@#$#@#$#@
1
@#$#@#$#@