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Emory
Emory

Reputation: 23

Netlogo Cars Merging

I am working on a simulation of a one lane road merging with a two lane road, all going the same direction. The cars that are not merging (cars1) check for merging cars within a radius of 2 to see if they need to change into the left lane and if they do, the car checks the left lane to see if it is safe.

ask cars1[
   if (not any? turtles-at -2 4) and (not any? turtles-at -1 4) 
   and (not any? turtles-at 0 4) and (not any? turtles-at 1 4) 
   and (not any? turtles-at 2 4) and (not any? turtles-at 3 4) 
   and (any? merging-cars in-radius 3)
   [  set ycor 2]]

I am trying to make the merging cars stop if it is not safe for the cars1 in the closest lane to change to the left lane. 

ask merging-cars[
  loop[
  if[any? cars1 in-radius 2]
  [stop]
  ]]

That is the code that is not working. I haven't figured out a way to make the merging cars stop if it is unsafe and go when it is safe.

Thanks

Upvotes: 0

Views: 125

Answers (1)

Ian-Fogelman
Ian-Fogelman

Reputation: 1605

To get you on the right direction have a look at the not any? documentation and make a note that you can incorporate the angle of which to check as well as right or left with a command such as :

not any? turtles-on patch-right-and-ahead 60 2

this is saying.... check the angle of 60 degrees to the right 2 patch ahead of this turtle.

Upvotes: 0

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