four squares

1 collaborator

steven cheng (Author)

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Click to Run Model

to setup
  clear-all
  ask patches[set pcolor green]
  ask patches with[pxcor < 0 and pycor > 0][set pcolor black]
  ask patches with[pxcor > -1 and pycor >= 0][set pcolor blue]
  ask patches with[pxcor < 0 and pycor < 1][set pcolor red]
  ask patches with[pxcor > -1 and pycor <= 0][set pcolor yellow]
  ask patch 0 0 [ask patches in-radius 4 [set pcolor pink]]
  create-turtles 4
  ask turtles[setxy random-xcor random-ycor]
  ask turtles[set shape "turtle"]
  ask turtles[set size 4]
  ask turtles[set color white]
  ask turtles[set heading random-float 360]
end 

to go
  ask turtles [forward 1]
  wait 0.5
  ask turtles [if pcolor = pink [die]]
  ask turtles [if pcolor = blue [forward 5]]
  ask turtles [if pcolor = red [set shape "cow"]]
  ask turtles [if pcolor = yellow [wait 0.001]]
  ask turtles [pen-down]
  if not any? turtles [stop]
  ask turtles with [pcolor = black]
  
  [if random 100 <= 5 
[hatch 1 
[set shape "turtle" set size 2 
setxy random-xcor random-ycor 
show "Turtle born!"]]]
  
  if random 100 <= 5 
[ask n-of 2 patches with [pcolor = blue] 
[sprout 1 
[set shape "cow" set size 2 
set heading random 360 
show "Cow born!"]]]
end

There is only one version of this model, created almost 11 years ago by steven cheng.

Attached files

File	Type	Description	Last updated
four squares.png	preview	Preview for 'four squares'	almost 11 years ago, by steven cheng	Download

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