patches-own [location]
             
turtles-own [molecule
             heading?]

globals [clock
         decay-rate-1
         decay-rate-2
         decay-rate-3
         decay-rate-4
         decay-rate-5
         fullness-level
         plot-window-range ;; size of window under focus
         drawn?
         food-arrived?
         particles-stomach
         particles-brain
         fatness
         fatness-change?
         widthcoord
         add-button-stopper
         delete-button-stopper
         jc1
         jc2
         last-eaten
         last-eaten-memory
         plot-list-level
         plot-list-appetite]

breeds [particles food drawers]

;;;;;;;;;;;;;;;;;;;;;;;;
;;; Setup Procedures ;;;
;;;;;;;;;;;;;;;;;;;;;;;;

to setup
  ca
  set add-button-stopper false
  set delete-button-stopper false
  set clock 0
  set fatness 0
  set fatness-change? false
  set drawn? false
  set food-arrived? false
  set decay-rate-1 0.0005
  set decay-rate-2 0.0001
  set decay-rate-3 0.0001
  set decay-rate-4 0.001
  set decay-rate-5 0.001
  set plot-window-range 200
  ;import-pcolors "D:\\My Documents\\Indiana\\NetLogo\\man2.jpg"
  ;import-pcolors "http://www.kramer.me.uk/robin/NetLogo/man.jpg"
  import-pcolors "http://cognitrn.psych.indiana.edu/index_files/Robin%27s%20Files/man.jpg"
  setup-turtles
  update-display
  display-stomach-fatness
  detectors
  hunger
  number-of-particles
  set last-eaten 0
  set last-eaten-memory 0
  set plot-list-level n-values plot-window-range [fullness-level]
  set plot-list-appetite n-values plot-window-range [appetite]
end

to update-display
  ask patches [
  
    if (pcolor >= 104) and (pcolor <= 106) [set location 1 set pcolor white]
    if (pcolor >= 64) and (pcolor <= 66) [set location 4 set pcolor white]
    if (pcolor >= 44) and (pcolor <= 46) [set location 2 set pcolor white]
    if (pcolor >= 14) and (pcolor <= 16) [set location 3 set pcolor white]
  
    if (pcolor >= 0) and (pcolor <= 3) [set pcolor black]
    if (pcolor >= 10) and (pcolor <= 13) [set pcolor black]
    if (pcolor >= 20) and (pcolor <= 23) [set pcolor black]
    if (pcolor >= 30) and (pcolor <= 33) [set pcolor black]
    if (pcolor >= 40) and (pcolor <= 43) [set pcolor black]
    if (pcolor >= 50) and (pcolor <= 53) [set pcolor black]
    if (pcolor >= 60) and (pcolor <= 63) [set pcolor black]
    if (pcolor >= 70) and (pcolor <= 73) [set pcolor black]
    if (pcolor >= 80) and (pcolor <= 83) [set pcolor black]
    if (pcolor >= 90) and (pcolor <= 93) [set pcolor black]
    if (pcolor >= 100) and (pcolor <= 103) [set pcolor black]
    if (pcolor >= 110) and (pcolor <= 113) [set pcolor black]
    if (pcolor >= 120) and (pcolor <= 123) [set pcolor black]
    if (pcolor >= 130) and (pcolor <= 133) [set pcolor black]
    
    if (pcolor >= 7) and (pcolor <= 9.9) [set pcolor white]
    if (pcolor >= 17) and (pcolor <= 19.9) [set pcolor white]
    if (pcolor >= 27) and (pcolor <= 29.9) [set pcolor white]
    if (pcolor >= 37) and (pcolor <= 39.9) [set pcolor white]
    if (pcolor >= 47) and (pcolor <= 49.9) [set pcolor white]
    if (pcolor >= 57) and (pcolor <= 59.9) [set pcolor white]
    if (pcolor >= 67) and (pcolor <= 69.9) [set pcolor white]
    if (pcolor >= 77) and (pcolor <= 79.9) [set pcolor white]
    if (pcolor >= 87) and (pcolor <= 89.9) [set pcolor white]
    if (pcolor >= 97) and (pcolor <= 99.9) [set pcolor white]
    if (pcolor >= 107) and (pcolor <= 109.9) [set pcolor white]
    if (pcolor >= 117) and (pcolor <= 119.9) [set pcolor white]
    if (pcolor >= 127) and (pcolor <= 129.9) [set pcolor white]
    if (pcolor >= 137) and (pcolor <= 139.9) [set pcolor white]
    
  ]
  ask (patch 6 87) [set location 3 set pcolor white]
  ask (patch -2 85) [set location 1 set pcolor white]
  ask (patch -2 172) [set location 2 set pcolor white]
  ask (patch 6 196) [set location 4 set pcolor white]
  ask (patch 7 196) [set location 4 set pcolor white]
  ask (patch 8 197) [set location 4 set pcolor white]
  
  ask patches [
    if (pxcor >= 3) and (pxcor <= 4) and (pycor >= 88) and (pycor <= 157) [set pcolor white]
    if (pxcor >= 3) and (pxcor <= 4) and (pycor >= 159) and (pycor <= 160) [set pcolor white]
    if (pxcor >= 3) and (pxcor <= 4) and (pycor >= 163) and (pycor <= 171) [set pcolor white]
    if (pxcor = 4) and (pycor >= 173) and (pycor <= 179) [set pcolor white]
    if (pxcor = 4) and (pycor >= 181) and (pycor <= 194) [set pcolor white]
    if (pxcor = 22) and (pycor >= 189) and (pycor <= 197) [set pcolor white]
    if (pxcor = -4) and (pycor >= 88) and (pycor <= 157) [set pcolor white]
    if (pxcor = 10) and (pycor >= 89) and (pycor <= 157) [set pcolor white]
    if (pxcor = -4) and (pycor >= 159) and (pycor <= 160) [set pcolor white]
    if (pxcor = 10) and (pycor >= 159) and (pycor <= 162) [set pcolor white]
    if (pxcor = -4) and (pycor >= 163) and (pycor <= 172) [set pcolor white]
    if (pxcor = 10) and (pycor >= 166) and (pycor <= 196) [set pcolor white]
    if (pxcor = -32) and (pycor >= 89) and (pycor <= 90) [set pcolor white]
    if (pxcor = 39) and (pycor >= 89) and (pycor <= 90) [set pcolor white]
    if (pxcor = -31) and (pycor = 36) [set pcolor white]
    if (pxcor = 42) and (pycor = 36) [set pcolor white]
  ]
  ask (patch 34 64) [set location 1 set pcolor white]
  ask (patch -3 86) [set location 1 set pcolor white]
  ask (patch 7 87) [set location 1 set pcolor white]
  ask (patch 8 87) [set location 1 set pcolor white]
  ask (patch 9 87) [set location 1 set pcolor white]
  ask (patch 2 87) [set location 1 set pcolor white]
  ask (patch 5 87) [set location 1 set pcolor white]
end

to calculate-fatness
  let old-fatness fatness
  if (particles-stomach <= 50) [set fatness 0]
  if (particles-stomach >= 51) and (particles-stomach <= 100) [set fatness 1]
  if (particles-stomach >= 101) and (particles-stomach <= 150) [set fatness 2]
  if (particles-stomach >= 151) [set fatness 3]
  if (old-fatness != fatness) [set fatness-change? true]
end

to display-stomach-fatness
  if (fatness = 0) [
    
    set widthcoord 1
    ask drawers [
      set color white
      setxy 42 35
      pd
    ]
    ask drawers [
      setxy ((2 * widthcoord) + 42) 46
      setxy ((3 * widthcoord) + 42) 57
      setxy ((3 * widthcoord) + 41) 68
      setxy ((2 * widthcoord) + 40) 79
      setxy ((0 * widthcoord) + 39) 91
    ]
    ask drawers [pu]
    ask drawers [
      set color white
      setxy -31 35
      pd
    ]
    ask drawers [
      setxy (-32 - (2 * widthcoord)) 44
      setxy (-32 - (3 * widthcoord)) 55
      setxy (-32 - (3 * widthcoord)) 66
      setxy (-32 - (2 * widthcoord)) 77
      setxy (-32 - (0 * widthcoord)) 89
    ]
    ask drawers [pu]
    
    set widthcoord 2
    ask drawers [
      set color white
      setxy 42 35
      pd
    ]
    ask drawers [
      setxy ((2 * widthcoord) + 42) 46
      setxy ((3 * widthcoord) + 42) 57
      setxy ((3 * widthcoord) + 41) 68
      setxy ((2 * widthcoord) + 40) 79
      setxy ((0 * widthcoord) + 39) 91
    ]
    ask drawers [pu]
    ask drawers [
      set color white
      setxy -31 35
      pd
    ]
    ask drawers [
      setxy (-32 - (2 * widthcoord)) 44
      setxy (-32 - (3 * widthcoord)) 55
      setxy (-32 - (3 * widthcoord)) 66
      setxy (-32 - (2 * widthcoord)) 77
      setxy (-32 - (0 * widthcoord)) 89
    ]
    ask drawers [pu]
    
    set widthcoord 3
    ask drawers [
      set color white
      setxy 42 35
      pd
    ]
    ask drawers [
      setxy ((2 * widthcoord) + 42) 46
      setxy ((3 * widthcoord) + 42) 57
      setxy ((3 * widthcoord) + 41) 68
      setxy ((2 * widthcoord) + 40) 79
      setxy ((0 * widthcoord) + 39) 91
    ]
    ask drawers [pu]
    ask drawers [
      set color white
      setxy -31 35
      pd
    ]
    ask drawers [
      setxy (-32 - (2 * widthcoord)) 44
      setxy (-32 - (3 * widthcoord)) 55
      setxy (-32 - (3 * widthcoord)) 66
      setxy (-32 - (2 * widthcoord)) 77
      setxy (-32 - (0 * widthcoord)) 89
    ]
    ask drawers [pu]
    
    set widthcoord 0
    ask drawers [
      set color black
      setxy 42 35
      pd
    ]
    ask drawers [
      setxy ((2 * widthcoord) + 42) 46
      setxy ((3 * widthcoord) + 42) 57
      setxy ((3 * widthcoord) + 41) 68
      setxy ((2 * widthcoord) + 40) 79
      setxy ((0 * widthcoord) + 39) 91
    ]
    ask drawers [pu]
    ask drawers [
      set color black
      setxy -31 35
      pd
    ]
    ask drawers [
      setxy (-32 - (2 * widthcoord)) 44
      setxy (-32 - (3 * widthcoord)) 55
      setxy (-32 - (3 * widthcoord)) 66
      setxy (-32 - (2 * widthcoord)) 77
      setxy (-32 - (0 * widthcoord)) 89
    ]
    ask drawers [pu]
    
  ] ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; fatness = 0
  
  if (fatness = 1) [
  
    set widthcoord 0
    ask drawers [
      set color white
      setxy 42 35
      pd
    ]
    ask drawers [
      setxy ((2 * widthcoord) + 42) 46
      setxy ((3 * widthcoord) + 42) 57
      setxy ((3 * widthcoord) + 41) 68
      setxy ((2 * widthcoord) + 40) 79
      setxy ((0 * widthcoord) + 39) 91
    ]
    ask drawers [pu]
    ask drawers [
      set color white
      setxy -31 35
      pd
    ]
    ask drawers [
      setxy (-32 - (2 * widthcoord)) 44
      setxy (-32 - (3 * widthcoord)) 55
      setxy (-32 - (3 * widthcoord)) 66
      setxy (-32 - (2 * widthcoord)) 77
      setxy (-32 - (0 * widthcoord)) 89
    ]
    ask drawers [pu]
    
    set widthcoord 2
    ask drawers [
      set color white
      setxy 42 35
      pd
    ]
    ask drawers [
      setxy ((2 * widthcoord) + 42) 46
      setxy ((3 * widthcoord) + 42) 57
      setxy ((3 * widthcoord) + 41) 68
      setxy ((2 * widthcoord) + 40) 79
      setxy ((0 * widthcoord) + 39) 91
    ]
    ask drawers [pu]
    ask drawers [
      set color white
      setxy -31 35
      pd
    ]
    ask drawers [
      setxy (-32 - (2 * widthcoord)) 44
      setxy (-32 - (3 * widthcoord)) 55
      setxy (-32 - (3 * widthcoord)) 66
      setxy (-32 - (2 * widthcoord)) 77
      setxy (-32 - (0 * widthcoord)) 89
    ]
    ask drawers [pu]
    
    set widthcoord 3
    ask drawers [
      set color white
      setxy 42 35
      pd
    ]
    ask drawers [
      setxy ((2 * widthcoord) + 42) 46
      setxy ((3 * widthcoord) + 42) 57
      setxy ((3 * widthcoord) + 41) 68
      setxy ((2 * widthcoord) + 40) 79
      setxy ((0 * widthcoord) + 39) 91
    ]
    ask drawers [pu]
    ask drawers [
      set color white
      setxy -31 35
      pd
    ]
    ask drawers [
      setxy (-32 - (2 * widthcoord)) 44
      setxy (-32 - (3 * widthcoord)) 55
      setxy (-32 - (3 * widthcoord)) 66
      setxy (-32 - (2 * widthcoord)) 77
      setxy (-32 - (0 * widthcoord)) 89
    ]
    ask drawers [pu]
    
    set widthcoord 1
    ask drawers [
      set color black
      setxy 42 35
      pd
    ]
    ask drawers [
      setxy ((2 * widthcoord) + 42) 46
      setxy ((3 * widthcoord) + 42) 57
      setxy ((3 * widthcoord) + 41) 68
      setxy ((2 * widthcoord) + 40) 79
      setxy ((0 * widthcoord) + 39) 91
    ]
    ask drawers [pu]
    ask drawers [
      set color black
      setxy -31 35
      pd
    ]
    ask drawers [
      setxy (-32 - (2 * widthcoord)) 44
      setxy (-32 - (3 * widthcoord)) 55
      setxy (-32 - (3 * widthcoord)) 66
      setxy (-32 - (2 * widthcoord)) 77
      setxy (-32 - (0 * widthcoord)) 89
    ]
    ask drawers [pu]
    
  ] ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; fatness = 1
  
  if (fatness = 2) [
  
    set widthcoord 0
    ask drawers [
      set color white
      setxy 42 35
      pd
    ]
    ask drawers [
      setxy ((2 * widthcoord) + 42) 46
      setxy ((3 * widthcoord) + 42) 57
      setxy ((3 * widthcoord) + 41) 68
      setxy ((2 * widthcoord) + 40) 79
      setxy ((0 * widthcoord) + 39) 91
    ]
    ask drawers [pu]
    ask drawers [
      set color white
      setxy -31 35
      pd
    ]
    ask drawers [
      setxy (-32 - (2 * widthcoord)) 44
      setxy (-32 - (3 * widthcoord)) 55
      setxy (-32 - (3 * widthcoord)) 66
      setxy (-32 - (2 * widthcoord)) 77
      setxy (-32 - (0 * widthcoord)) 89
    ]
    ask drawers [pu]
    
    set widthcoord 1
    ask drawers [
      set color white
      setxy 42 35
      pd
    ]
    ask drawers [
      setxy ((2 * widthcoord) + 42) 46
      setxy ((3 * widthcoord) + 42) 57
      setxy ((3 * widthcoord) + 41) 68
      setxy ((2 * widthcoord) + 40) 79
      setxy ((0 * widthcoord) + 39) 91
    ]
    ask drawers [pu]
    ask drawers [
      set color white
      setxy -31 35
      pd
    ]
    ask drawers [
      setxy (-32 - (2 * widthcoord)) 44
      setxy (-32 - (3 * widthcoord)) 55
      setxy (-32 - (3 * widthcoord)) 66
      setxy (-32 - (2 * widthcoord)) 77
      setxy (-32 - (0 * widthcoord)) 89
    ]
    ask drawers [pu]
    
    set widthcoord 3
    ask drawers [
      set color white
      setxy 42 35
      pd
    ]
    ask drawers [
      setxy ((2 * widthcoord) + 42) 46
      setxy ((3 * widthcoord) + 42) 57
      setxy ((3 * widthcoord) + 41) 68
      setxy ((2 * widthcoord) + 40) 79
      setxy ((0 * widthcoord) + 39) 91
    ]
    ask drawers [pu]
    ask drawers [
      set color white
      setxy -31 35
      pd
    ]
    ask drawers [
      setxy (-32 - (2 * widthcoord)) 44
      setxy (-32 - (3 * widthcoord)) 55
      setxy (-32 - (3 * widthcoord)) 66
      setxy (-32 - (2 * widthcoord)) 77
      setxy (-32 - (0 * widthcoord)) 89
    ]
    ask drawers [pu]
    
    set widthcoord 2
    ask drawers [
      set color black
      setxy 42 35
      pd
    ]
    ask drawers [
      setxy ((2 * widthcoord) + 42) 46
      setxy ((3 * widthcoord) + 42) 57
      setxy ((3 * widthcoord) + 41) 68
      setxy ((2 * widthcoord) + 40) 79
      setxy ((0 * widthcoord) + 39) 91
    ]
    ask drawers [pu]
    ask drawers [
      set color black
      setxy -31 35
      pd
    ]
    ask drawers [
      setxy (-32 - (2 * widthcoord)) 44
      setxy (-32 - (3 * widthcoord)) 55
      setxy (-32 - (3 * widthcoord)) 66
      setxy (-32 - (2 * widthcoord)) 77
      setxy (-32 - (0 * widthcoord)) 89
    ]
    ask drawers [pu]
    
  ] ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; fatness = 2
  
  if (fatness = 3) [
  
    set widthcoord 0
    ask drawers [
      set color white
      setxy 42 35
      pd
    ]
    ask drawers [
      setxy ((2 * widthcoord) + 42) 46
      setxy ((3 * widthcoord) + 42) 57
      setxy ((3 * widthcoord) + 41) 68
      setxy ((2 * widthcoord) + 40) 79
      setxy ((0 * widthcoord) + 39) 91
    ]
    ask drawers [pu]
    ask drawers [
      set color white
      setxy -31 35
      pd
    ]
    ask drawers [
      setxy (-32 - (2 * widthcoord)) 44
      setxy (-32 - (3 * widthcoord)) 55
      setxy (-32 - (3 * widthcoord)) 66
      setxy (-32 - (2 * widthcoord)) 77
      setxy (-32 - (0 * widthcoord)) 89
    ]
    ask drawers [pu]
    
    set widthcoord 1
    ask drawers [
      set color white
      setxy 42 35
      pd
    ]
    ask drawers [
      setxy ((2 * widthcoord) + 42) 46
      setxy ((3 * widthcoord) + 42) 57
      setxy ((3 * widthcoord) + 41) 68
      setxy ((2 * widthcoord) + 40) 79
      setxy ((0 * widthcoord) + 39) 91
    ]
    ask drawers [pu]
    ask drawers [
      set color white
      setxy -31 35
      pd
    ]
    ask drawers [
      setxy (-32 - (2 * widthcoord)) 44
      setxy (-32 - (3 * widthcoord)) 55
      setxy (-32 - (3 * widthcoord)) 66
      setxy (-32 - (2 * widthcoord)) 77
      setxy (-32 - (0 * widthcoord)) 89
    ]
    ask drawers [pu]
    
    set widthcoord 2
    ask drawers [
      set color white
      setxy 42 35
      pd
    ]
    ask drawers [
      setxy ((2 * widthcoord) + 42) 46
      setxy ((3 * widthcoord) + 42) 57
      setxy ((3 * widthcoord) + 41) 68
      setxy ((2 * widthcoord) + 40) 79
      setxy ((0 * widthcoord) + 39) 91
    ]
    ask drawers [pu]
    ask drawers [
      set color white
      setxy -31 35
      pd
    ]
    ask drawers [
      setxy (-32 - (2 * widthcoord)) 44
      setxy (-32 - (3 * widthcoord)) 55
      setxy (-32 - (3 * widthcoord)) 66
      setxy (-32 - (2 * widthcoord)) 77
      setxy (-32 - (0 * widthcoord)) 89
    ]
    ask drawers [pu]
    
    set widthcoord 3
    ask drawers [
      set color black
      setxy 42 35
      pd
    ]
    ask drawers [
      setxy ((2 * widthcoord) + 42) 46
      setxy ((3 * widthcoord) + 42) 57
      setxy ((3 * widthcoord) + 41) 68
      setxy ((2 * widthcoord) + 40) 79
      setxy ((0 * widthcoord) + 39) 91
    ]
    ask drawers [pu]
    ask drawers [
      set color black
      setxy -31 35
      pd
    ]
    ask drawers [
      setxy (-32 - (2 * widthcoord)) 44
      setxy (-32 - (3 * widthcoord)) 55
      setxy (-32 - (3 * widthcoord)) 66
      setxy (-32 - (2 * widthcoord)) 77
      setxy (-32 - (0 * widthcoord)) 89
    ]
    ask drawers [pu]
    
  ] ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; fatness = 3
end

to detectors
  if (num-of-detectors >= 1) [
    ask patches [
      if (pxcor >= 3) and (pxcor <= 8) and (pycor >= 32) and (pycor <= 34) [set location 5 set pcolor green]
    ]
  ]
  if (num-of-detectors >= 2) [
    ask patches [
      if (pxcor >= 32) and (pxcor <= 34) and (pycor >= 57) and (pycor <= 62) [set location 5 set pcolor green]
    ]
  ]
  if (num-of-detectors >= 3) [
    ask patches [
      if (pxcor >= -23) and (pxcor <= -21) and (pycor >= 57) and (pycor <= 62) [set location 5 set pcolor green]
    ]
  ]
  if (num-of-detectors >= 4) [
    ask (patch 24 39) [set location 5 set pcolor green]
    ask (patch 24 40) [set location 5 set pcolor green]
    ask (patch 25 39) [set location 5 set pcolor green]
    ask (patch 25 40) [set location 5 set pcolor green]
    ask (patch 26 40) [set location 5 set pcolor green]
    ask (patch 26 41) [set location 5 set pcolor green]
    ask (patch 27 41) [set location 5 set pcolor green]
    ask (patch 27 42) [set location 5 set pcolor green]
    ask (patch 27 43) [set location 5 set pcolor green]
    ask (patch 28 43) [set location 5 set pcolor green]
    ask (patch 28 44) [set location 5 set pcolor green]
    ask (patch 27 44) [set location 5 set pcolor green]
    ask (patch 25 41) [set location 5 set pcolor green]
    ask (patch 26 42) [set location 5 set pcolor green]
    ask (patch 25 42) [set location 5 set pcolor green]
    ask (patch 26 43) [set location 5 set pcolor green]
    ask (patch 28 45) [set location 5 set pcolor green]
    ask (patch 29 45) [set location 5 set pcolor green]
  ]
  if (num-of-detectors >= 5) [
    ask (patch -17 43) [set location 5 set pcolor green]
    ask (patch -17 44) [set location 5 set pcolor green]
    ask (patch -17 42) [set location 5 set pcolor green]
    ask (patch -16 41) [set location 5 set pcolor green]
    ask (patch -16 42) [set location 5 set pcolor green]
    ask (patch -15 40) [set location 5 set pcolor green]
    ask (patch -15 41) [set location 5 set pcolor green]
    ask (patch -14 39) [set location 5 set pcolor green]
    ask (patch -14 40) [set location 5 set pcolor green]
    ask (patch -13 38) [set location 5 set pcolor green]
    ask (patch -13 39) [set location 5 set pcolor green]
    ask (patch -18 44) [set location 5 set pcolor green]
    ask (patch -16 43) [set location 5 set pcolor green]
    ask (patch -15 42) [set location 5 set pcolor green]
    ask (patch -14 41) [set location 5 set pcolor green]
    ask (patch -13 40) [set location 5 set pcolor green]
    ask (patch -19 45) [set location 5 set pcolor green]
    ask (patch -18 45) [set location 5 set pcolor green]
  ]
  if (num-of-detectors >= 6) [
    ask (patch 24 79) [set location 5 set pcolor green]
    ask (patch 24 78) [set location 5 set pcolor green]
    ask (patch 25 79) [set location 5 set pcolor green]
    ask (patch 25 78) [set location 5 set pcolor green]
    ask (patch 26 78) [set location 5 set pcolor green]
    ask (patch 26 77) [set location 5 set pcolor green]
    ask (patch 26 76) [set location 5 set pcolor green]
    ask (patch 27 76) [set location 5 set pcolor green]
    ask (patch 27 75) [set location 5 set pcolor green]
    ask (patch 28 75) [set location 5 set pcolor green]
    ask (patch 28 74) [set location 5 set pcolor green]
    ask (patch 25 77) [set location 5 set pcolor green]
    ask (patch 27 74) [set location 5 set pcolor green]
    ask (patch 26 75) [set location 5 set pcolor green]
    ask (patch 25 76) [set location 5 set pcolor green]
    ask (patch 23 78) [set location 5 set pcolor green]
    ask (patch 23 80) [set location 5 set pcolor green]
    ask (patch 23 79) [set location 5 set pcolor green]
  ]
  if (num-of-detectors >= 7) [
    ask (patch -13 80) [set location 5 set pcolor green]
    ask (patch -13 79) [set location 5 set pcolor green]
    ask (patch -14 79) [set location 5 set pcolor green]
    ask (patch -14 78) [set location 5 set pcolor green]
    ask (patch -15 78) [set location 5 set pcolor green]
    ask (patch -15 77) [set location 5 set pcolor green]
    ask (patch -16 77) [set location 5 set pcolor green]
    ask (patch -16 76) [set location 5 set pcolor green]
    ask (patch -17 76) [set location 5 set pcolor green]
    ask (patch -17 75) [set location 5 set pcolor green]
    ask (patch -17 74) [set location 5 set pcolor green]
    ask (patch -18 74) [set location 5 set pcolor green]
    ask (patch -16 75) [set location 5 set pcolor green]
    ask (patch -15 76) [set location 5 set pcolor green]
    ask (patch -14 77) [set location 5 set pcolor green]
    ask (patch -13 78) [set location 5 set pcolor green]
    ask (patch -12 79) [set location 5 set pcolor green]
    ask (patch -12 80) [set location 5 set pcolor green]
  ]
end

to setup-turtles
  set-default-shape particles "dot"
  set-default-shape food "banana"
  
  ask (patch -122 177) [
    sprout-food 1 [
      set color yellow
      set size 30
      set heading 90
      set heading? false
      set hidden? true
    ]
  ]
  
  ask (patch -1 171) [
    sprout-particles 900 [
      set hidden? true
      set molecule 0
      set size 2
      set heading 0
      set heading? false
    ]
  ]
  
  ask (patch -100 100) [
    sprout-drawers 1 [
      set hidden? true
    ]
  ]
end

to update-colour ;; turtle procedure
  if (location = 4) [set color violet]
  if (location = 3) [set color violet]
  if (location = 1) and (molecule = 1) [set color violet]
  if (location = 1) and (molecule = 0) [set color orange]
  if (location = 2) [set color orange]
end

to number-of-particles
  set particles-brain (count particles with [location = 4])
  set particles-stomach (count particles with [molecule = 0 and (location = 1 or location = 5)])
end

;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Drawing Procedures ;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;

to add-violet-particles
  set jc2 0
  set jc1 jc1 + 1
  if add-button-stopper = true [stop]
  if mouse-down? [
    ask patch-at mouse-xcor mouse-ycor [
      if (location = 1) or (location = 3) or (location = 4)[
        sprout-particles 1 [
          set size 2
          set heading 0
          set molecule 1
          set heading? false
        ]
      ]
    ]
  ]
  ask turtles [update-colour]
  ifelse (jc1 < 5)  [set delete-button-stopper true] [set delete-button-stopper false]
end

to delete-violet-particles
  set jc1 0
  set jc2 jc2 + 1
  if delete-button-stopper = true [stop]
  if mouse-down? [
    ask patch-at mouse-xcor mouse-ycor [
      if (location = 1) or (location = 3) or (location = 4)[
        ask turtles-here with [molecule = 1] [die]
        ask neighbors [ask turtles-here with [molecule = 1] [die]]
        ask neighbors [ask neighbors [ask turtles-here with [molecule = 1] [die]]]
      ]
    ]
  ]
  ask turtles [update-colour]
  ifelse (jc2 < 5)  [set add-button-stopper true] [set add-button-stopper false]
end

;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Runtime Procedures ;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;

to go ;; forever button
  ask particles [go-turtles]
  ask particles [update-colour]
  ask particles [create-hormones]
  ask particles [decay]
  eat
  
  set last-eaten (clock - last-eaten-memory)
  
  hunger
  number-of-particles
  calculate-fatness
  if (fatness-change? = true) [
    display-stomach-fatness
    set fatness-change? false
  ]
  
  ;do-plots
  sliding-plot fullness-level appetite
  set clock (clock + 1)
end

to go-turtles
  if (hidden? = false) [
  
  if (location = 1) and (molecule = 1) [
    let id who
    ask patch-here [if (pxcor >= 6) and (pxcor <= 8) and (pycor >= 84) and (pycor <= 86) [set heading?-of turtle id true]]
    if (heading? = false) [set heading (towardsxy 7 85)]
    if (heading? = true) [set heading 360]
    if (location-of (patch-ahead 2) = 3) or (location-of (patch-ahead 2) = 1) or (location-of (patch-ahead 2) = 5) [fd 2]
  ]
  if (location = 1) and (molecule = 0) [
    ;set heading (random 360)
    rt ((random 90) - 45)
    if (location-of (patch-ahead 1) = 1) or (location-of (patch-ahead 1) = 5) [fd 1]
  ]
  if (location = 2) [
    set heading ((random 90) + 135)
    if (location-of (patch-ahead 1) = 2) or (location-of (patch-ahead 1) = 1) [fd 1]
  ]
  if (location = 3) [
    set heading 360
    if (location-of (patch-ahead 2) = 3) or (location-of (patch-ahead 2) = 4) [fd 2]
  ]
  if (location = 4) [
    ;set heading (random 360)
    rt ((random 90) - 45)
    if (location-of (patch-ahead 1) = 4) [fd 1]
  ]
  if (location = 5) and (molecule = 1) [
    set heading (towardsxy 7 87)
    if (location-of (patch-ahead 2) = 5) or (location-of (patch-ahead 2) = 1) or (location-of (patch-ahead 2) = 3) [fd 2]
  ]
  if (location = 5) and (molecule = 0) [
    set heading (random 360)
    if (location-of (patch-ahead 1) = 1) [fd 1]
  ]
  
  ]
end

to create-hormones
  if (location = 5) and (molecule = 0) [
    set heading 0
    set molecule 1
    set heading? false
  ]
end

to decay
  if (location = 1) and (molecule = 0) and (random-float 1 < decay-rate-1) [restart-particles]
  if (location = 1) and (molecule = 1) and (random-float 1 < 0.0001) [restart-particles]
  if (location = 2) and (random-float 1 < decay-rate-2) [restart-particles]
  if (location = 3) and (random-float 1 < decay-rate-3) [restart-particles]
  if (location = 4) and (random-float 1 < decay-rate-4) [restart-particles]
  if (location = 5) and (random-float 1 < decay-rate-5) [restart-particles]
end

to eat
  if ((count particles with [location = 4]) < appetite) [
    if (drawn? = false) [draw-food]
  ]
  if (drawn? = true) [
    move-food
    eat-food
    digest-food
  ]
end

to show-message
  output-print "I'm hungry, feed me!"
  wait 2
  clear-output
end

to draw-food
  show-message
  ask food [set hidden? false]
  set drawn? true
end

to move-food
  ask food [
    if (xcor < -12) [fd 1]
  ]
end

to eat-food
  ask food [
    if (xcor >= -12) [
      set food-arrived? true
      set last-eaten-memory clock
      restart-food
    ]
  ]
end

to digest-food
  if (food-arrived? = true) [
    set drawn? false
    set food-arrived? false
    ask random-n-of particles-in-banana (particles-at -1 171) [set hidden? false]
  ]
end

to hunger
  set fullness-level (count particles with [location = 4])
end

to restart-food
  set hidden? true
  set xcor -122
  set ycor 177
  set heading 90
  set heading? false
  set hidden? true
end

to restart-particles
  set hidden? true
  set xcor -1
  set ycor 171
  set molecule 0
  set heading 0
  set heading? false
end

to sliding-plot [new-plot-level new-plot-appetite]
  set plot-list-level lput (new-plot-level) (but-first plot-list-level)
  set plot-list-appetite lput (new-plot-appetite) (but-first plot-list-appetite)
  clear-plot
  set-current-plot-pen "leptin level"
  foreach plot-list-level [plot ?]
  set-current-plot-pen "appetite"
  foreach plot-list-appetite [plot ?]
end

to do-plots
  set-current-plot "Fullness"
  set-plot-x-range (clock - plot-window-range) clock
  set-current-plot-pen "level"
  plot fullness-level
  set-current-plot-pen "appetite"
  plot appetite
end
@#$#@#$#@
GRAPHICS-WINDOW
375
10
886
542
250
250
1.0
1
10
1
1
1
0
1
1
1

CC-WINDOW
5
556
895
651
Command Center
0

BUTTON
273
62
336
95
NIL
setup
NIL
1
T
OBSERVER
T
NIL

SLIDER
43
111
215
144
appetite
appetite
1
100
40
1
1
NIL

BUTTON
273
101
336
134
NIL
go
T
1
T
OBSERVER
T
NIL

PLOT
19
349
312
527
Fullness
time
NIL
0.0
200.0
0.0
200.0
true
true
PENS
"leptin level" 1.0 0 -8630108 true
"appetite" 1.0 0 -6459832 true

SLIDER
43
149
215
182
particles-in-banana
particles-in-banana
1
150
100
1
1
NIL

OUTPUT
398
49
578
79

BUTTON
206
210
362
243
add leptin molecules
add-violet-particles
T
1
T
OBSERVER
T
NIL

BUTTON
206
252
362
285
delete leptin molecules
delete-violet-particles
T
1
T
OBSERVER
T
NIL

MONITOR
681
61
782
110
particles in brain
particles-brain
0
1

MONITOR
719
202
867
251
food particles in stomach
particles-stomach
0
1

SLIDER
41
32
213
65
num-of-detectors
num-of-detectors
1
7
4
1
1
NIL

TEXTBOX
20
213
196
282
Press a button, move the mouse over the view, and click to add/delete leptin molecules in the stomach or brain

TEXTBOX
16
10
166
28
Change before 'setup':

TEXTBOX
18
88
256
109
Change before 'setup' and during the run:

MONITOR
45
292
114
341
last ate
last-eaten
0
1

TEXTBOX
216
513
249
531
now

TEXTBOX
28
513
81
531
now-200

@#$#@#$#@
WHAT IS IT?
-----------
This section could give a general understanding of what the model is trying to show or explain.


HOW IT WORKS
------------
This section could explain what rules the agents use to create the overall behavior of the model.


HOW TO USE IT
-------------
This section could explain how to use the model, including a description of each of the items in the interface tab.


THINGS TO NOTICE
----------------
This section could give some ideas of things for the user to notice while running the model.


THINGS TO TRY
-------------
This section could give some ideas of things for the user to try to do (move sliders, switches, etc.) with the model.


EXTENDING THE MODEL
-------------------
This section could give some ideas of things to add or change in the procedures tab to make the model more complicated, detailed, accurate, etc.


NETLOGO FEATURES
----------------
This section could point out any especially interesting or unusual features of NetLogo that the model makes use of, particularly in the Procedures tab.  It might also point out places where workarounds were needed because of missing features.


RELATED MODELS
--------------
This section could give the names of models in the NetLogo Models Library or elsewhere which are of related interest.


CREDITS AND REFERENCES
----------------------
This section could contain a reference to the model's URL on the web if it has one, as well as any other necessary credits or references.
@#$#@#$#@
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arrow
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@#$#@#$#@
NetLogo 3.0.2
@#$#@#$#@
@#$#@#$#@
@#$#@#$#@
@#$#@#$#@