tutorial

1 collaborator

audrey nordstrom (Author)

WHAT IS IT?

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HOW IT WORKS

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HOW TO USE IT

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THINGS TO TRY

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EXTENDING THE MODEL

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NETLOGO FEATURES

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Click to Run Model

turtles-own [energy]

to go
  if ticks >= 500 [ stop ]
  move-turtles
  eat-grass
  reproduce
  check-death
  regrow-grass
  tick
end 

to move-turtles
  ask turtles [
    right random 45
    left random 45
    forward 1
    set energy energy - 1
  ]
end 

to setup
  clear-all
  setup-patches
  setup-turtles
  reset-ticks
end 

to setup-patches
  ask patches [ set pcolor green ]
end 

to setup-turtles
  create-turtles number [ setxy random-xcor random-ycor ]
end 

To eat-grass
  ask turtles [
    if pcolor = green [
      set pcolor black
      set energy (energy + energy-from-grass)
    ]
    ifelse show-energy?
      [ set label energy ]
    [ set label " " ]
  ]
end 

to reproduce
  ask turtles [
    if energy > 50 [
      set energy energy - 50
      hatch 1 [ set energy 50 ]
    ]
  ]
end 

to check-death
  ask turtles [
    if energy <= 0 [ die ]
  ]
end 

to regrow-grass
  ask patches [
    if random 100 < 3 [set pcolor green ]
  ]
end

There is only one version of this model, created over 6 years ago by audrey nordstrom.

Attached files

File	Type	Description	Last updated
tutorial.png	preview	Preview for 'tutorial'	over 6 years ago, by audrey nordstrom	Download

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