Going Viral

globals 
[ humorcheck
  angercheck
  infocheck
  sadcheck
  roundcheck
  numberwatch
]
turtles-own
[
  shared?         ;; if true, the turtle has shared the content
  watched?          ;; if true, the turtle has seen the content and has/has not shared it yet
  contcheck   ;; number of times content has been viewed
  funny
  anger
  sad             ;; evoking the primal emtions to what degree -- could maybe be one attribute : emotion 
  savvy           ;; How connected are you? will you "get" the content in a sense
  enthu           ;; slightly linked to arousal but also intrinsic to the person- how enthusiastically are you going to share this video?
  arousal         ;; a culmination of emotions, visibility and other factors --> to share or not to share
]

to setup
  clear-all
  
  
  setup-nodes
  setup-spatially-clustered-network
  
  ask turtles [set shared? false]
  ask turtles [set watched? false]
  ask turtles [set anger random 100 / 100]
  ask turtles [set sad random 100 / 100]
  ask turtles [set funny random 100 / 100]      ;; I want arousal to almost be a 6-point scale that determines sharing- one person's enthusiasm should also perhaps directly feed another's more directly? endorsement vs. just passive sharing effect
  
  ask turtles [if funny < 0.4 [ set funny funny + 0.3]];  ;; humor is a pretty universal attribute -even people who don't find most things funny respond to humor more than other emotions. 
  ask turtles [set enthu random 100 / 100]
  
  ask turtles [set contcheck 0]
  
  if homophily = 1 [
  
  ask turtles [ask link-neighbors [ if abs ([funny] of myself - funny) > 0.3 [set funny (funny + [funny] of myself) / 2 ] ] ]     ;;Homophily - people tend to be surrounded/friends with people similar to them- minimzing variances in their personality types- homophily
  
  ask turtles [ask link-neighbors [ if abs ([anger] of myself - anger) > 0.3 [set anger (anger + [anger] of myself) / 2]]]
      
  ask turtles [ask link-neighbors [ if abs ([sad] of myself - sad) > 0.3 [set sad (sad + [sad] of myself) / 2]]]
          
  ask turtles [ask link-neighbors [ if abs ([enthu] of myself - enthu) > 0.3 [set enthu (enthu + [enthu] of myself) / 2]]]]
  
  if target = 0 [ask n-of campaignlevel turtles [seecontent]]
  if target = 1 [ask n-of campaignlevel turtles with [funny > 0.5 and anger > 0.5][seecontent]]               ;; This is effectively releasing the content across the internet  
  
  ;;ask links [ set color white ]                              ;; Do I care about the color of the links? Probably not, unless I'm doing re-transmission ie re-sharing..unlikely.
  reset-ticks
end 

to setup-nodes     
                                             ;; ALL OF THIS IS FROM VIRUSES
  set-default-shape turtles "circle"
  crt number-of-nodes                                         ;; NEED A SCALED DOWN VERSION OF THE WORLD. I might just make it a number that scales well based on say- the population of NA since most of my literature and research is definitely limited by that in a sense. 
  [
    ; for visual reasons, we don't put any nodes *too* close to the edges
    setxy (random-xcor * 0.95) (random-ycor * 0.95)
  ]
  ask turtles [set color white]              ;; No exposure to any content. Will be handled in  "go" 
end 

to setup-spatially-clustered-network
  
  let num-links (average-node-degree * number-of-nodes) / 2       ;; I'm not completely sold on this form of creating links. Currently it looks like it could serve the purpose I need it for but might need some work. 
  while [count links < num-links ]                                ;; Note: While the links are created based on proximity in the code, it is not meant to be interpreted as such. It is just meant to serve as "internet proximity" 
  [                                                               ;; Can't tell if that would be an issue, but I'm guessing not at this point.    
    ask one-of turtles
    [
      let choice (min-one-of (other turtles with [not link-neighbor? myself])
                   [distance myself])
      if choice != nobody [ create-link-with choice ]
    ]
  ]
  ; make the network look a little prettier                     ;; I'll probably keep this since it does help with making the network look pretty. 
  repeat 30
  [
    layout-spring turtles links 0.3 (world-width / (sqrt number-of-nodes)) 1
  ]
end 

to seecontent                                               ;; turtle procedure
  
  set watched? true
  
  set contcheck contcheck + 1 
  
  set arousal ( arousal + arousal / ( contcheck + 1) )                 ;;
  
  if contcheck = 1 [set color yellow]  
end 

to go 
  ask n-of campaignlevel turtles [if roundcheck < rounds [seecontent set roundcheck roundcheck + 1]]
 
  ask turtles [if watched? = true [shareornot] ]     ;; once turtles see content, they can decide whether or not to share the content.      
  
  ifelse vanger + vfunny + vsad + vutil > 30 [tick-advance 1] [ tick-advance 3]
  
  ask turtles [if 2.5 < arousal [set color red] ]
  
  set numberwatch count turtles with [watched? = true]
  
  tick 
end 

to shareornot    ;; MIGHT HAVE TO SET UP COMBOS THAT MAKE SENSE. THE AMALGAM DOESN'T MAKE ALL THAT MUCH SENSE TO ME 

  ifelse vfunny > 5 + funny * 4 [set humorcheck (vfunny - 5) * funny][set humorcheck 0]
  ifelse vsad > 5 + sad * 4 [set sadcheck (vsad - 5) * sad][set sadcheck 0]
  ifelse vanger > 5 + anger * 4 [set angercheck (vanger - 5) * sad]  [set angercheck 0]            ;; Getting the agent to decide if he will share or not. How important each attribute is to the agent vs. how much that's reflected in the content
 
  if contcheck > 1 and contcheck < 4 [set arousal (arousal + (arousal / (1 + contcheck)))]     ;;Are you really more likely to share once you've seen something 4 times and decided not to share?
  
  if contcheck = 1 [set arousal (0.6 * humorcheck - 0.2 * sadcheck + 0.5 * angercheck + 0.2 * vutil + 0.1 * repfreq)] ;;including how useful the content is as a parameter; also if it's second interaction with content, arousal levels add, but by smaller factors each time
   
  if arousal > 2.6 [share]   ;; Max. value possible 1.4. Just set a reasonable threshold. will go from there based on results.            
end 

to share
  
  
  ask link-neighbors [seecontent] 
  
  
  set shared? true
end