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Til Hund
Til Hund

Reputation: 1671

NetLogo - unilaterally exchange values of nearby turtles

With regard to this question (NetLogo - calculate the difference of a variable of neighbouring agents), I am trying to change (for another scenario) the code so that another breed can change unilaterally the values of nearby members of the other breed (if their values are above a certain threshold) and by means of randomness can even change the value of one of (any) distant member of the other breed.

My code is (pseudo code in brackets):

breed [ greens green ]
greens-own [ variable ]

breed [ reds red ]

to setup    
    create-greens 100 [
        set variable random 10    
    ]  
    create-reds 1
end

to start
   ask reds [
   exchange
   ]
end

to exchange
  rt random 360
  fd 0.5
  ask reds-on neighbors [
      let both-turtles (turtle-set self myself)
      "greens with variable > 6.9" [ set variable variable + 0.5]
 ]
 "one-of greens [ set variable variable + 1]"
end

How can I convert the pseudo-code to NetLogo code?

Upvotes: 0

Views: 42

Answers (1)

JenB
JenB

Reputation: 17678

any turtle can instruct any turtle to change values with ask. you can simply state something like ask one-of greens [ set variable variable + 1] or ask greens with [variable > 6.9][...]. You need to take some care here, though, because you will be asking every red on a neighbour to ask ALL greens to change variable value as currently pseudo-coded.

Upvotes: 2

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