Emotional contagion in metro emergencies

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Default-person Ying Zhang (Author)
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turtles-own [emotion appraisal b susceptibility official-regulation]

to setup
  clear-all
  create-turtles N [
    setxy random-xcor random-ycor
    set shape "person"
    set color white
    set official-regulation R
    set size 0.5]
  ask n-of sensitive turtles [set susceptibility 1.2]
  ask n-of neutral turtles with [susceptibility != 1.2] [set susceptibility 1]
  ask n-of firm turtles with [susceptibility != 1.2 and susceptibility != 1][set susceptibility 0.8]
  ask turtles [set appraisal susceptibility * (log(1 + random 9) 10)]
  ask turtles [set emotion appraisal]
  ask turtles with [emotion = 0][set color white]
  ask turtles with [emotion <= 0.4 and emotion > 0][set color green]
  ask turtles with [emotion > 0.4 and emotion <= 0.8][set color yellow]
  ask turtles with [emotion > 0.8 and emotion <= 1][set color red]
  ask turtles with [susceptibility = 1.2][set b 0.6 + random-float 0.4]
  ask turtles with [susceptibility = 1][set b 0.4 + random-float 0.2]
  ask turtles with [susceptibility = 0.8][set b random-float 0.4]
  reset-ticks
end 

to go
   while [ticks <= arrival-tick]
    [ask turtles [ifelse (b * (susceptibility * (log (1 + sum sort [emotion] of turtles-here) 10)) + (1 - b) * appraisal) <= 1[set emotion (b * (susceptibility * (log (1 + sum sort [emotion] of turtles-here) 10)) + (1 - b) * appraisal)]
      [set emotion 1]]
      check-color
    ask turtles with [color = green][if xcor <= -6 [facexy -8 1 rt asin random-float (1 / 2) lt asin random-float (1 / 2) fd random-float 1]]
    ask turtles with [color = green][if xcor > -6 and  xcor <= -2 [facexy -4 1 rt asin random-float (1 / 2) lt asin random-float (1 / 2) fd random-float 1]]
    ask turtles with [color = green][if xcor > -2 and  xcor <= 2 [facexy 0 1 rt asin random-float (1 / 2) lt asin random-float (1 / 2) fd random-float 1]]
    ask turtles with [color = green][if xcor > 2 and  xcor <= 6 [facexy 4 1 rt asin random-float (1 / 2) lt asin random-float (1 / 2) fd random-float 1]]
    ask turtles with [color = green][if xcor > 6 [facexy 8 1 rt asin random-float (1 / 2) lt asin random-float (1 / 2) fd random-float 1]]
    ask turtles with [color = yellow][if xcor <= -6 [facexy -8 1 rt asin random-float ((sqrt 3) / 2) lt asin random-float ((sqrt 3) / 2) fd random-float 2]]
    ask turtles with [color = yellow][if xcor > -6 and  xcor <= -2 [facexy -4 1 rt asin random-float ((sqrt 3) / 2) lt asin random-float ((sqrt 3) / 2) fd random-float 2]]
    ask turtles with [color = yellow][if xcor > -2 and  xcor <= 2 [facexy 0 1 rt asin random-float ((sqrt 3) / 2) lt asin random-float ((sqrt 3) / 2) fd random-float 2]]
    ask turtles with [color = yellow][if xcor > 2 and  xcor <= 6 [facexy 4 1 rt asin random-float ((sqrt 3) / 2) lt asin random-float ((sqrt 3) / 2) fd random-float 2]]
    ask turtles with [color = yellow][if xcor > 6 [facexy 8 1 rt asin random-float ((sqrt 3) / 2) lt asin random-float ((sqrt 3) / 2) fd random-float 2]]
    ask turtles with [color = red][if xcor <= -6 [facexy -8 1 rt asin random-float 1 lt asin random-float 1 fd random-float 3]]
    ask turtles with [color = red][if xcor > -6 and  xcor <= -2 [facexy -4 1 rt asin random-float 1 lt asin random-float 1 fd random-float 3]]
    ask turtles with [color = red][if xcor > -2 and  xcor <= 2 [facexy 0 1 rt asin random-float 1 lt asin random-float 1 fd random-float 3]]
    ask turtles with [color = red][if xcor > 2 and  xcor <= 6 [facexy 4 1 rt asin random-float 1 lt asin random-float 1 fd random-float 3]]
    ask turtles with [color = red][if xcor > 6 [facexy 8 1 rt asin random-float 1 lt asin random-float 1 fd random-float 3]]
      if official? [ask turtles [set emotion emotion * (1 - official-regulation)]]
      tick
  ]
  if random 100 <= P * 100 [ask turtles-on (patch-set patch -8 1 patch -4 1 patch 0 1 patch 4 1 patch 8 1) [die]]
  ifelse official? [ask turtles [set emotion emotion * (1 - official-regulation)]]
     [ask turtles [ifelse (b * (susceptibility * (log (1 + sum sort [emotion] of turtles-here) 10)) + (1 - b) * appraisal) <= 1 [set emotion (b * (susceptibility * (log (1 + sum sort [emotion] of turtles-here) 10)) + (1 - b) * appraisal)]
        [set emotion 1]]]
  check-color
  ask turtles with [color = white][if xcor <= -6 [facexy -8 1 fd random-float 1]]
  ask turtles with [color = white][if xcor > -6 and  xcor <= -2 [facexy -4 1 fd random-float 1]]
  ask turtles with [color = white][if xcor > -2 and  xcor <= 2 [facexy 0 1 fd random-float 1]]
  ask turtles with [color = white][if xcor > 2 and  xcor <= 6 [facexy 4 1 fd random-float 1]]
  ask turtles with [color = white][if xcor > 6 [facexy 8 1 fd random-float 1]]
  ask turtles with [color = green][if xcor <= -6 [facexy -8 1 rt asin random-float (1 / 2) lt asin random-float (1 / 2) fd random-float 1]]
  ask turtles with [color = green][if xcor > -6 and  xcor <= -2 [facexy -4 1 rt asin random-float (1 / 2) lt asin random-float (1 / 2) fd random-float 1]]
  ask turtles with [color = green][if xcor > -2 and  xcor <= 2 [facexy 0 1 rt asin random-float (1 / 2) lt asin random-float (1 / 2) fd random-float 1]]
  ask turtles with [color = green][if xcor > 2 and  xcor <= 6 [facexy 4 1 rt asin random-float (1 / 2) lt asin random-float (1 / 2) fd random-float 1]]
  ask turtles with [color = green][if xcor > 6 [facexy 8 1 rt asin random-float (1 / 2) lt asin random-float (1 / 2) fd random-float 1]]
  ask turtles with [color = yellow][if xcor <= -6 [facexy -8 1 rt asin random-float ((sqrt 3) / 2) lt asin random-float ((sqrt 3) / 2) fd random-float 2]]
  ask turtles with [color = yellow][if xcor > -6 and  xcor <= -2 [facexy -4 1 rt asin random-float ((sqrt 3) / 2) lt asin random-float ((sqrt 3) / 2) fd random-float 2]]
  ask turtles with [color = yellow][if xcor > -2 and  xcor <= 2 [facexy 0 1 rt asin random-float ((sqrt 3) / 2) lt asin random-float ((sqrt 3) / 2) fd random-float 2]]
  ask turtles with [color = yellow][if xcor > 2 and  xcor <= 6 [facexy 4 1 rt asin random-float ((sqrt 3) / 2) lt asin random-float ((sqrt 3) / 2) fd random-float 2]]
  ask turtles with [color = yellow][if xcor > 6 [facexy 8 1 rt asin random-float ((sqrt 3) / 2) lt asin random-float ((sqrt 3) / 2) fd random-float 2]]
  ask turtles with [color = red][if xcor <= -6 [facexy -8 1 rt asin random-float 1 lt asin random-float 1 fd random-float 3]]
  ask turtles with [color = red][if xcor > -6 and  xcor <= -2 [facexy -4 1 rt asin random-float 1 lt asin random-float 1 fd random-float 3]]
  ask turtles with [color = red][if xcor > -2 and  xcor <= 2 [facexy 0 1 rt asin random-float 1 lt asin random-float 1 fd random-float 3]]
  ask turtles with [color = red][if xcor > 2 and  xcor <= 6 [facexy 4 1 rt asin random-float 1 lt asin random-float 1 fd random-float 3]]
  ask turtles with [color = red][if xcor > 6 [facexy 8 1 rt asin random-float 1 lt asin random-float 1 fd random-float 3]]
  tick
end 

to check-color
  ask turtles with [emotion = 0][set color white]
  ask turtles with [emotion <= 0.4 and emotion > 0][set color green]
  ask turtles with [emotion > 0.4 and emotion <= 0.8][set color yellow]
  ask turtles with [emotion > 0.8 and emotion <= 1][set color red]
end

There is only one version of this model, created 2 days ago by Ying Zhang.

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