;; 12/5/2010 Lacy Smith lvs10@msstate.edu and Chris Boler cab164@msstate.edu globals [ToFD time] breed [ Humans Human ] breed [ Zombies Zombie ] breed [ Wheats Wheat ] breed [ Bullets Bullet ] breed [ Houses House ] humans-own[ Stamina Hunger Ammo Food Vision Fight? Infected? ] zombies-own[Stamina Vision ] houses-own[ Defense ] to setup clear-all ;; Humans hunger levels. They become hungry at 20, and they begin to starve at 30 ;; Starving decreases stamina twice as much. ;;set ToEat 20 ;;set ToStarve 50 set ToFD 0 set time 0 ;; Setting shapes set-default-shape Humans "person" set-default-shape Zombies "zombie" set-default-shape Wheats "plant" set-default-shape Bullets "circle" set-default-shape Houses "house" ;;Human Specification ;;Create the amount specified by user ;;Normal Humans are Blue; Fighters are Green; Infected are Magenta; Starving or Low Stamina is Red ;;Highest Stamina possible is 150. Range from 50 - 100. When Stamina Reaches Zero, person dies. ;;Humans start out with a range of 0 - 5 for hunger. They want to eat when the hunger raises to 20, they begin to starve at 30 ;;vision between 3 - 5 ;;Humans can hold up to 5 pieces of food. They start out with 0-1 pieces of food. ;;Humans are randomly placed around the board ;;Humans may be fighters. Fighter numbers depend on user. create-Humans initial-human-count [ set color blue set size 2 set Stamina random 50 + 50 set Hunger random 5 set Food random 2 set Ammo random 1 ifelse random 100 >= 80 [ set Vision 5 ] [ ifelse random 100 >= 40 [ set Vision 4 ] [ set Vision 3] ] setxy random-xcor random-ycor ifelse random 100 < fighters [ set Fight? 1 ][ set Fight? 0 ] set Infected? 0 ] ask Humans [ if Fight? = 1 [ set color green set Ammo random 2 ] ] ;;Zombie Specification ;;Zombies are Gray ;;Zombies have a range of 10 to 50 stamina. When Stamina reaches zero, zombie dies. ;;vision between 3 - 7 ;;Zombies are randomly placed around the board create-Zombies initial-zombie-count [ set color gray set size 2 set Stamina random 40 + 10 ifelse random 100 >= 80 [ set Vision 7 ] [ ifelse random 100 >= 60 [ set Vision 6 ] [ ifelse random 100 >= 40 [ set Vision 5 ] [ ifelse random 100 >= 20 [ set Vision 4 ] [ set Vision 3] ] ] ] setxy random-xcor random-ycor ] ;;Food Specification ;;The innitial food count is human count divided by ppf ;;Food is yellow create-Wheats initial-human-count / ppf [ set color yellow set size 01 setxy random-xcor random-ycor ] ;;Ammo Specification ;;The innitial ammo count is human count divided by ppa ;;Ammo is white create-Bullets initial-human-count / ppa [ set color white set size 0.3 setxy random-xcor random-ycor ] ;;Shelter Specification ;;Shelters are patches that can protect people from Zombies ;;The innitial shelter count is human count divided by pps ;;The shelters are set to have random defenses from 1 to ((initial-human-count / 2) / 10) create-Houses initial-human-count / pps [ set color gray set size 3 set Defense random (initial-human-count / 2) / (initial-human-count / pps) + 1 setxy random-xcor random-ycor ] plotxy count zombies count humans end to go if not any? humans [ stop ] if not any? zombies [ if not any? humans with [Infected? = 1] [stop ]] set time time + 1 place-food place-ammo place-shelter ask Humans [ pick-up move check-stamina offer-food steal-food death infect shoot ] ask Zombies [ uhhrn decay ] set-current-plot-pen "humans" plotxy time count humans set-current-plot-pen "zombies" plotxy time count zombies ask links [ die ] end to pick-up if breed = humans [ if Fight? = 1 [ if any? Bullets in-radius 0.5 [ set Ammo Ammo + 1 let target one-of Bullets in-radius 0.5 ask target [ die ] ] ] if any? Wheats in-radius 0.5 [ set Food Food + 1 let target one-of Wheats in-radius 0.5 ask target [ die ] ] ] end to move ;;Normal Humans move if breed = humans [ set ToFD 0 ifelse any? Houses-here [] [ flock find-shelter if Stamina < 25 [ set ToFD 0.2 ] if Stamina >= 25 [ set ToFD 0.5 ] ] if Fight? = 1 [ flock find-ammo if Stamina < 25 [ set ToFD 0.2 ] if Stamina >= 25 [ set ToFD 0.5 ] ] if Hunger > ToEat [ ifelse any? Zombies in-radius Vision [] [ flock find-food if Stamina < 25 [ set ToFD 0.2 ] if Stamina >= 25 [ set ToFD 0.5 ] ] ] if any? Wheats in-radius Vision [ ifelse any? Zombies in-radius Vision [] [ if Food <= 5 [ find-food if Stamina < 25 [ set ToFD 0.2 ] if Stamina >= 25 [ set ToFD 0.5 ] ] ] ] if any? Zombies in-radius Vision [ ifelse any? Houses-here [ set ToFD 0 ] [ run-away if Stamina < 25 [ set ToFD 0.2 ] if Stamina >= 25 [ set ToFD 0.5 ] ] ] if Hunger > ToStarve [ flock find-food if Stamina < 25 [ set ToFD 0.2 ] if Stamina >= 25 [ set ToFD 0.5 ] ] fd ToFD ] end to hunt end to run-away if breed = humans [ ;;RUN FROM ZOMBIES ifelse any? Houses-here [] [ if any? zombies in-radius Vision [ let target one-of zombies in-radius Vision face target rt 180 ] ] ] end to find-ammo if breed = humans [ ;;Go for ammo if any? Bullets in-radius Vision [ let target one-of Bullets in-radius Vision set heading (towards target) ] ] end to find-food if breed = humans [ ;;hungry, feed me ifelse Food > 0 [ set Food Food - 1 set Hunger Hunger - 20 set Stamina Stamina + random 50 + 50 if Fight? = 1 [ set color green ] if Fight? = 0 [ set color blue ] if Infected? = 1 [ set color magenta ] ] [ if any? Wheats in-radius Vision [ let target one-of Wheats in-radius Vision set heading (towards target) ] ] ] end to find-shelter if breed = humans [ if any? Houses in-radius Vision [ let target one-of Houses in-radius Vision set heading (towards target) ] ] end to flock if breed = humans [ set heading ((150 + random 50)) if any? other humans in-radius Vision [ set heading ((mean [heading] of other humans in-radius Vision)) ] ] if breed = zombies [ set heading ((heading + random 25)) if any? other zombies in-radius 1 [ set heading ((mean [heading] of other zombies in-radius 1)) ] ] end to uhhrn set ToFd 1 flock if any? humans with [ Infected? = 0 ] in-radius Vision [ let target one-of humans in-radius Vision set heading (towards target) ] set Stamina Stamina - Rate-Of-Decay ifelse Stamina < 25 [ ask patch-ahead 1 [ ifelse any? Houses-here [ set ToFD .5 ] [ set ToFD .75 ] ] if ToFD = .5 [ rt 150 ] ] [ ask patch-ahead 1 [ ifelse any? Houses-here [ set ToFD .5 ] [ set ToFD 1.5 ] ] if ToFD = .5 [ rt 150 ] ] fd ToFD end to shoot if breed = humans [ ifelse Fight? = 1 [ if any? zombies in-radius Vision [ if Ammo > 0 [ let target one-of zombies in-radius Vision create-link-from target set Ammo Ammo - 1 ask target [ set Stamina Stamina - 25 ] ask links [ set color orange ] ;;ask links [ die ] ] ] if any? humans with [Infected? = 1] in-radius Vision [ if Ammo > 0 [ ;; The rate of how often an armed person wants to cap an infected person if random 20 = 1 [ let target one-of humans with[Infected? = 1] in-radius Vision ifelse target != self [ create-link-from target set Ammo Ammo - 1 ask target [ set Stamina Stamina - 25 ] ask links [ set color orange ] ;;ask links [ die ] ] [ set Ammo Ammo - 1 ask self [ die ] ] ] ] ] ] [ ;; blues with ammo can defend with 1% chance if any? zombies in-radius Vision [ if Ammo > 0 [ if random 100 = 1 [ let target one-of zombies in-radius Vision create-link-from target set Ammo Ammo - 1 ask target [ set Stamina Stamina - 25 ] ask links [ set color orange ] ;;ask links [ die ] ] ] ] ] ] end to infect if breed = humans [ ifelse any? Houses-here [] [ if any? zombies in-radius 1 [ ifelse random 2 = 1 [ set Infected? 1 set color magenta if random 3 = 1 [ set Stamina Stamina - 25 ] ] [ if random 3 = 1 [ set Stamina Stamina - 25 ] ] ] ] ] end to death if breed = humans [ ask humans [ if Stamina < 0 [ if Infected? = 0 [ die ] if Infected? = 1 [ set breed zombies set color gray set Stamina random 40 + 10 ifelse random 100 >= 80 [ set Vision 7 ] [ ifelse random 100 >= 60 [ set Vision 6 ] [ ifelse random 100 >= 40 [ set Vision 5 ] [ ifelse random 100 >= 20 [ set Vision 4 ] [ set Vision 3] ] ] ] ] ] ] ] end to decay if Stamina < 0 [die] end to check-stamina if breed = humans [ ;; Each tick causes less stamina. If hunger is above starving, stamina decreases faster. If infected, stamina is really decreasing ifelse Hunger > ToStarve [ set Stamina Stamina - 0.4 ] [ set Stamina Stamina - 0.2 ] if Infected? = 1 [ set Stamina Stamina - 10 ] ;; Each tick causes more hunger set Hunger Hunger + 0.2 if Infected? = 0 [ if Stamina < 25 [ set color red ] if Hunger > ToStarve [ set color red ] ] ] end to offer-food if breed = humans [ if any? other humans in-radius Vision with [ Hunger > ToStarve ] [ if Food > 0 [ if Hunger < ToEat [ if random 2 = 1 [ let target one-of other humans in-radius Vision with [ Hunger > ToStarve ] ask target [ set Food Food + 1 ] set Food Food - 1 ] ] ] ] ] end to steal-food if breed = humans [ if Food = 0 [ if any? other humans in-radius Vision with [Food > 1] [ if random 50 = 1 [ let target one-of other humans in-radius Vision with [ Food > 1 ] ask target [ set Food Food - 1 ] set Food Food + 1 ] ] ] ] end to place-food ;;If wheat count is less than the user defined count, there is a 50% chance a new one is added if count Wheats < initial-human-count / ppf [ if random 10 <= 5 [ create-Wheats 1 [ set color yellow set size 0.7 setxy random-xcor random-ycor ] ] ] end to place-ammo ;;If ammo count is less than the user defined count, there is a 50% chance a new one is added if count Bullets < initial-human-count / ppa [ if random 10 <= 5 [ create-Bullets 1 [ set color white set size 0.3 setxy random-xcor random-ycor ] ] ] end to place-shelter ask Houses [ ;;If the zombies overrun the shelter, it will fall if count zombies in-radius 5 > Defense [ die ] ;;If there are too many people in the shelter, it will fall if count humans in-radius 1 > Defense * 2.5 [ die ] set label count humans-here set label-color white ] ;;If the shelters fall below accepted numbers, there is a 1% chance a new one will appear if count Houses < initial-human-count / pps [ if random 100 = 1 [ create-Houses 1 [ set color gray set size 3 set Defense random initial-human-count / (initial-human-count / pps) + 1 setxy random-xcor random-ycor ] ] ] end @#$#@#$#@ GRAPHICS-WINDOW 190 10 1220 555 52 26 9.735 1 10 1 1 1 0 1 1 1 -52 52 -26 26 0 0 1 ticks BUTTON 122 10 177 43 Go go T 1 T OBSERVER NIL NIL NIL NIL BUTTON 4 10 119 43 Setup setup NIL 1 T OBSERVER NIL NIL NIL NIL SLIDER 5 64 177 97 initial-human-count initial-human-count 0 500 500 1 1 NIL HORIZONTAL SLIDER 4 292 176 325 initial-zombie-count initial-zombie-count 0 50 1 1 1 NIL HORIZONTAL SLIDER 4 122 176 155 fighters fighters 0 100 5 1 1 % HORIZONTAL SLIDER 5 455 177 488 ppf ppf 1 10 5 1 1 NIL HORIZONTAL SLIDER 5 396 177 429 ppa ppa 1 10 10 1 1 NIL HORIZONTAL SLIDER 4 516 177 549 pps pps 10 100 20 1 1 NIL HORIZONTAL MONITOR 7 559 57 604 Humans count humans with [Infected? = 0] 17 1 11 MONITOR 68 559 118 604 Infected count humans with [Infected? = 1] 17 1 11 MONITOR 129 558 179 603 Zombies count zombies 17 1 11 PLOT 5 618 180 768 Agents vs Time Time Agents 0.0 500.0 0.0 500.0 true true PENS "humans" 1.0 0 -13345367 true "zombies" 1.0 0 -2674135 true SLIDER 4 235 176 268 ToStarve ToStarve 1 50 30 1 1 NIL HORIZONTAL SLIDER 4 177 176 210 ToEat ToEat 1 50 10 1 1 NIL HORIZONTAL TEXTBOX 9 48 159 66 Starting number of humans 11 0.0 1 TEXTBOX 8 105 158 123 Percentage of human fighters 11 0.0 1 TEXTBOX 13 275 163 293 Starting number of zombies 11 0.0 1 TEXTBOX 13 381 163 399 Humans per bullet spawned 11 0.0 1 TEXTBOX 9 160 159 178 Hunger value to seek food 11 0.0 1 TEXTBOX 9 218 159 236 Hunger value to starve 11 0.0 1 TEXTBOX 10 438 160 456 Humans per food spawned 11 0.0 1 TEXTBOX 10 495 160 513 Humans per shelter spawned 11 0.0 1 TEXTBOX 9 329 159 347 Zombie rate of decay 11 0.0 1 SLIDER 5 345 177 378 Rate-Of-Decay Rate-Of-Decay 0.01 2.5 0.2 0.01 1 NIL HORIZONTAL @#$#@#$#@ 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. 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