Child of Climate Change

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Default-person Miklavz Sef (Author)

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Child of model Climate Change preview imageClimate Change
Model group CCL | Visible to everyone | Changeable by group members (CCL)
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globals [
  sky-top      ;; y koordinata vrha neba
  earth-top    ;; y koordinata vrha zemlje
  temperature  ;; temperatura
]

breed [rays ray]     ;; količina sončne svetlobe
breed [IRs IR]       ;; količina IR
breed [heats heat]   ;; količina toplotne energije
breed [CO2s CO2]     ;; količina CO2

breed [clouds cloud]
clouds-own [cloud-speed cloud-id]

;;
;; potek začetnih nastavitev
;;

to setup
  clear-all
  set-default-shape rays "ray"
  set-default-shape IRs "ray"
  set-default-shape clouds "cloud"
  set-default-shape heats "dot"
  set-default-shape CO2s "CO2-molecule"
  setup-world
  set temperature 12
  reset-ticks
end 

to setup-world
  set sky-top max-pycor - 5
  set earth-top 0
  ask patches [  ;; nastavo barve sveta
    if pycor > sky-top [  ;; vesolje
      set pcolor scale-color white pycor 22 15
    ]
    if pycor <= sky-top and pycor > earth-top [ ;; nebo
      set pcolor scale-color blue pycor -20 20
    ]
    if pycor < earth-top
      [ set pcolor red + 3 ] ;; zemlja
    if pycor = earth-top ;; površina zemlje
      [ update-albedo ]
  ]
end 

;;
;; Potek izvajanja
;;

to go
  ask clouds [ fd cloud-speed ]  ; premikaj oblake
  run-sunshine   ;; koraki svetlobe
  ;; ob spremembi odbojnosti spremeni barvo površine zemlje
  ask patches with [pycor = earth-top]
    [ update-albedo ]
  run-heat  ;; koraki temperature
  run-IR    ;; koraki IR
  run-CO2   ;; koraki CO2
  tick
end 

to update-albedo 
  set pcolor scale-color green Odboj_svetlobe 0 1
end 

to add-cloud            ;; pobriše vse oblake in jih naredi na novo - 1 oblak
  let sky-height sky-top - earth-top
  ;; izbere naključno višino
  ;; in poskrbi da je v ozračju
  let y earth-top + (random-float (sky-height - 4)) + 2
  ;; hitrost oblaka ne sme biti 0
  let speed (random-float 0.1) + 0.01
  let x random-xcor
  let id 0
  ;; ne zanima nas kakšen je oblak dokler
  ;; vse želvice nimajo istega
  ;; id
  if any? clouds
  [ set id max [cloud-id] of clouds + 1 ]

  create-clouds 3 + random 20
  [
    set cloud-speed speed
    set cloud-id id
    ;; vse želvice, ki predstavljajo oblak
    ;; so si blizu
    setxy x + random 9 - 4
          ;; oblaki se generirajo
          ;; lahko pride do sprememb
          y + 2.5 + random-float 2 - random-float 2
    set color white
    ;; različne velikosti so samo za izgled
    ;; saj gledamo samo trke
    set size 2 + random 2
    set heading 90
  ]
end 

to remove-cloud       ;; pobriše vse oblake in jih naredi na novo - 1 oblak
  if any? clouds [
    let doomed-id one-of remove-duplicates [cloud-id] of clouds
    ask clouds with [cloud-id = doomed-id]
      [ die ]
  ]
end 

to run-sunshine
  ask rays [
    if not can-move? 0.3 [ die ]  ;; ustavi jih na robu
    fd 0.3                        ;; drugače naj se premikajo
  ]
  create-sunshine  ;; sončni žarki pridejo z vrha
  reflect-rays-from-clouds  ;; preveri odboj oblakov
  encounter-earth   ;; preveli absorbcijo in odboj zemlje
end 

to create-sunshine
  ;; ni potrebo narediti žarka za vsak dogodek
  ;; ob večji svetlobi jih naredi več
  if 10 * moc_sonca > random 50 [
    create-rays 1 [
      set heading 160
      set color yellow
      ;; žarek pride skozi majhno območje
      ;; blizu površja zemlje
      setxy (random 10) + min-pxcor max-pycor
    ]
  ]
end 

to reflect-rays-from-clouds
 ask rays with [any? clouds-here] [  
   set heading 180 - heading   ;; obrni okoli
 ]
end 

to encounter-earth
  ask rays with [ycor <= earth-top] [
    ;; glede na odbojnost
    ;; zemlja vpije ali pa odbije
    ifelse 100 * Odboj_svetlobe > random 100
      [ set heading 180 - heading  ] ;; odboj
      [ rt random 45 - random 45 ;; absorbcija v zemljo
        set color red - 2 + random 4
        set breed heats ]
  ]
end 

to run-heat    ;; napredovanje toplotnih želvic
  ;; temperatura je odvisna od števila temperaturnih želvic
  set temperature 0.99 * temperature + 0.01 * (12 + 0.1 * count heats)
  ask heats
  [
    let dist 0.5 * random-float 1
    ifelse can-move? dist
      [ fd dist ]
      [ set heading 180 - heading ] ;; ko zadaneš rob sveta se obrni
    if ycor >= earth-top [  ;; če se usmeri nazaj v nebo
      ifelse temperature > 20 + random 40
              ;; toplota uide le skozi majhno območje
              ;; to naredi model lepši vendar prispeva k
              ;; stopnji izgube toplote
              and xcor > 0 and xcor < max-pxcor - 8
        [ set breed IRs                    ;; nekaj IR mora iti skozi
          set heading 20
          set color magenta ]
        [ set heading 100 + random 160 ] ;; obrni proti zemlji
    ]
  ]
end 

to run-IR
  ask IRs [
    if not can-move? 0.3 [ die ]
    fd 0.3
    if ycor <= earth-top [   ;; pretvori v toploto če se ponovno zadane v zemljo
      set breed heats
      rt random 45
      lt random 45
      set color red - 2 + random 4
    ]
    if any? CO2s-here    ;; preveri za trk z CO2
      [ set heading 180 - heading ]
  ]
end 

to add-CO2  ;; naključno dodaj 25 molekul CO2
  let sky-height sky-top - earth-top
  create-CO2s 25 [
    set color green
    ;; naključno izberi pozicijo v ozračju
    setxy random-xcor
          earth-top + random-float sky-height
  ]
end 

to remove-CO2 ;; naključno odstrani 25 molekul CO2
  repeat 25 [
    if any? CO2s [
      ask one-of CO2s [ die ]
    ]
  ]
end 

to run-CO2
  ask CO2s [
    rt random 51 - 25 ;; malo obrni
    let dist 0.05 + random-float 0.1
    ;; obdrži CO2 v ozračju
    if [not shade-of? blue pcolor] of patch-ahead dist
      [ set heading 180 - heading ]
    fd dist ;; malo premakni naprej
  ]
end 


; Copyright 2007 Uri Wilensky.
; See Info tab for full copyright and license.

There is only one version of this model, created over 5 years ago by Miklavz Sef.

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Parent: Climate Change

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