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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; AGENT_ZERO ;; MOVIES 5 and 6 Code. Version 1.0 ;; Fight vs. Flight ;; ;; Joshua M. Epstein ;; February 2010 ;; Revised September 2012 ;; NetLogo 5.0 ;; Sliders [30,0,4,2,1, Seed 8] ;; ;; Note: Fight and Flight are Switches ;; on the User Inteface ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; to use-new-seed let my-seed new-seed output-print word "Generated seed: " my-seed random-seed my-seed end to use-seed-from-user let my-seed read-from-string user-input "Enter a random seed (an integer):" output-print word "User-entered seed: " my-seed random-seed my-seed end globals[ inactive-color active-color destroyed-color link-color deactivation-rate maximum-stopping-time ] to setup-globals set inactive-color yellow set active-color orange + 1 set destroyed-color red - 3 set deactivation-rate 8 set link-color red set maximum-stopping-time 50000 end directed-link-breed [red-links red-link] links-own [weight] turtles-own [ affect learning_rate lambda delta threshold event_count disposition probability memory ] to setup-links ask turtle 0 [ create-red-link-to turtle 1] ask red-link 0 1 [ set color link-color set weight 0.1] ask turtle 0 [ create-red-link-to turtle 2] ask red-link 0 2 [ set color link-color set weight 0.1] ask turtle 1 [ create-red-link-to turtle 0] ask red-link 1 0 [ set color link-color set weight 0.1] ask turtle 1 [ create-red-link-to turtle 2] ask red-link 1 2 [ set color link-color set weight 0.1] ask turtle 2 [ create-red-link-to turtle 0] ask red-link 2 0 [ set color link-color set weight 0.1] ask turtle 2 [ create-red-link-to turtle 1] ask red-link 2 1 [ set color link-color set weight 0.1] end to setup __clear-all-and-reset-ticks ;use-new-seed use-seed-from-user setup-globals setup-patches setup-turtles setup-links ; setup-movie ; Uncomment to make movie. tick end to setup-movie movie-start "out.mov" movie-grab-view repeat 750 [ go movie-grab-view ] movie-close end to setup-turtles set-default-shape turtles "person" create-turtles 3 ask turtle 0 [ setxy 11 8 set color blue set affect 0.001 set delta 1 set lambda 1 set learning_rate .05 set threshold .5 set event_count 0 set disposition 0 set probability 0 set memory [] repeat memory_length [set memory lput random-float 0 memory] ;set memory [0] ;set memory [0 0 0 0] ;set label who ] ask turtle 1 [ setxy 5 5 set color blue set affect 0.001 set delta .5 set lambda 1 set learning_rate .03 set threshold .5 set event_count 0 set disposition 0 set probability 0 ;set memory [ 1 3 5 7 8] set memory [] repeat memory_length [set memory lput random-float 0 memory] ;show memory ;set label who ] ask turtle 2 [ setxy 3 12 set color blue set affect 0.001 set delta .1 set lambda 1 set learning_rate .09 set threshold .5 set event_count 0 set disposition 0 set probability 0 set memory [] repeat memory_length [set memory lput random-float 0 memory] ;set memory [0 0] ;set label who ] end to setup-patches ask patches [set pcolor inactive-color + random 2] end to update-event_count ask turtles[ if pcolor = active-color [set event_count event_count + 1] ] end to update-affect ask turtles [ if pcolor = active-color [set affect affect + (learning_rate * (affect ^ delta) * (lambda - affect))] if pcolor != active-color [set affect affect + (learning_rate * (affect ^ delta) * extinction_rate *(0 - affect))] ] end to update-probability ask turtles[ let current_probability (count patches in-radius vision with [pcolor = active-color]/(count patches in-radius vision)) set memory but-first memory set memory lput current_probability memory set probability mean memory ;set probability median memory ] end to update-disposition ask turtle 0 [ set disposition affect + probability + [weight] of red-link 1 0 * ([affect] of turtle 1 + [probability] of turtle 1) + [weight] of red-link 2 0 * ([affect] of turtle 2 + [probability] of turtle 2) - threshold] ask turtle 1 [ set disposition affect + probability + [weight] of red-link 0 1 * ([affect] of turtle 0 + [probability] of turtle 0) + [weight] of red-link 2 1 * ([affect] of turtle 2 + [probability] of turtle 2) - threshold] ask turtle 2 [ set disposition affect + probability + [weight] of red-link 0 2 * ([affect] of turtle 0 + [probability] of turtle 0) + [weight] of red-link 1 2 * ([affect] of turtle 1 + [probability] of turtle 1) - threshold] end to move-turtles ; Never called in 'fight vs flight.' Movement handled in take-action method ask turtles with [who != 0] [ right random 360 forward 1 ] end to take-action ask turtles [ if disposition > 0 [ ifelse fight_or_flight? [ask patches in-radius action_radius [set pcolor destroyed-color]] ; Fight [facexy -12 -12 forward .1] ; Flight ] ] end to activate-patches ask patches with [pxcor > -9 and pycor > -9] [if random 1000 < attack_rate and pcolor != destroyed-color [set pcolor active-color]] end to deactivate-patches ask patches with [pxcor > -9 and pycor > -9] [if random 100 < deactivation-rate and pcolor != destroyed-color [set pcolor inactive-color + random 2]] end to do-plots1 set-current-plot "Disposition" set-current-plot-pen "turtle 0" plot [disposition] of turtle 0 set-current-plot-pen "turtle 1" plot [disposition] of turtle 1 set-current-plot-pen "turtle 2" plot [disposition] of turtle 2 end to do-plots2 set-current-plot "Probability" set-current-plot-pen "turtle 0" plot [probability] of turtle 0 set-current-plot-pen "turtle 1" plot [probability] of turtle 1 set-current-plot-pen "turtle 2" plot [probability] of turtle 2 end to do-plots3 set-current-plot "Affect" set-current-plot-pen "turtle 0" plot [affect] of turtle 0 set-current-plot-pen "turtle 1" plot [affect] of turtle 1 set-current-plot-pen "turtle 2" plot [affect] of turtle 2 end to go if ticks >= maximum-stopping-time [stop] activate-patches update-event_count update-affect update-probability update-disposition take-action deactivate-patches do-plots1 do-plots2 do-plots3 tick end