title: Collision Detection crowd netlogo
body: <p>This is what I have.  I need turtles to move from circle formation and 
          move to another spot while preventing collisions and getting into a 
          circle again.</p>
  
  <pre><code>    ;;creates circle of people
      turtles-own [collides?]
      to setup
        clear-all
  
        setup-circle
        reset-ticks
      end
     to setup-circle
       create-ordered-turtles crowd-size [
         set shape "person" fd 10 rt 90]
     end
     to go
       ask turtles [
       fd .1 
       ]
  
       tick
     end
  </code></pre>