MIHS-20_KateB_KateN_StuartB_GeorgiaS

No preview image

1 collaborator

Default-person kate nordstrom (Author)

Tags

(This model has yet to be categorized with any tags)
Visible to everyone | Changeable by everyone
Model was written in NetLogo 6.1.1 • Viewed 21 times • Downloaded 3 times • Run 0 times
Download the 'MIHS-20_KateB_KateN_StuartB_GeorgiaS' modelDownload this modelEmbed this model

Do you have questions or comments about this model? Ask them here! (You'll first need to log in.)


Comments and Questions

Please start the discussion about this model! (You'll first need to log in.)

Click to Run Model

breed [wolves wolf]
wolves-own [  energy  ]
breed [rabbits rabbit]
rabbits-own [  energy  ]

to setup
  clear-all
  grow-grass-and-weeds
  set-default-shape wolves "wolf"
  create-wolves 20[
    set color brown
    setxy random-xcor random-ycor
    set energy random 10 ] ; start with a radnom amt. of energy
  set-default-shape rabbits "rabbit"
  create-rabbits 20[
    set color white
    setxy random-xcor random-ycor
    set energy random 10 ] ; start with a random amt. of energy

  reset-ticks
end 

to go
  if not any? wolves [ stop ]
  grow-grass-and-weeds
  ask wolves
  [ move
    eat-grass-wolf
    eat-weeds-rabbit
    reproduce
    death ]
  ask rabbits
  [ move
   eat-grass-wolf
    eat-weeds-rabbit
    reproduce
    death ]
  tick
end 

to grow-grass-and-weeds
  ask patches [
      if pcolor = black [
      if random-float 1000 < weeds-grow-rate
      [ set pcolor violet ]
      if random-float 1000 < grass-grow-rate
      [ set pcolor green ]
  ] ]
end 

to move ;; deer procedure
  rt random 50
  lt random 50
  fd 1
  ;; moving takes some energy
  set energy energy - 0.5
end 

to eat-grass-wolf ;; deer procedure
  ;; gain "grass-energy" by eating grass
  if pcolor = green
  [ set pcolor black
    set energy energy + grass-energy ]
end 

to eat-weeds-rabbit ;; deer procedure
  ;; gain "weed-energy" by eating weeds
  if pcolor = violet
  [ set pcolor black
    set energy energy + weed-energy ]
end 

to reproduce ;; deer procedure
  ;; give birth to a new deer, but it takes a lot of energy
  if energy > birth-threshold
  [ set energy energy / 2
    hatch 1 [ fd 1 ] ]
end 

to death ;; dear procedure
  ;; die if you run out of energy
  if energy < 0 [ die ]
end 









There is only one version of this model, created 4 months ago by kate nordstrom.

Attached files

No files

This model does not have any ancestors.

This model does not have any descendants.