Smiley 9-16-15

to setup ;; to make setup work                                          
  clear-all  ;;clear everytoing when resetting                                       
  ask patches [set pcolor white];;make patches white                    
  ask patches with [pxcor > 8 and pycor < -8] [ ;;ask patches in that area    
    set pcolor blue];;set color to blue                                 
  ask patches with [pxcor < -8 and pycor > 8] [;; ask patches in that area
    set pcolor red]  ;;set color to red                               
  create-turtles 6 [      ;;make 6 turtles in the start                           
    set shape "face happy" ;;turtles are faces                      
    set color yellow    ;;make turtles yellow                             
    setxy random-xcor random-ycor ;;plot them randomly among the view                   
    set size 3];; the turtles are size 3
end      ;;done with that                               

to go    ;;to use go button                                            
  ask turtles [    ;;ask moving objects                               
    right random 360    ;;go right randomly in every direction                            
    forward 1]    ;; makes it progress                                 
  ask turtles with [pcolor = blue][ ;;ask turtles that go into the blue patches            
    hatch 1 [     ;;make 1 more turtle                                   
      set color brown;;make the new one brown                           
      set size 4    ;;make it size 4                                 
      setxy -9 9]   ;;where the turtles disappear at                              
    setxy 9 9        ;;where they reappear                               
  ]
end       ;;done with go