Hero and Coward Updated
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;; Brief Introduction of the idea of Heros and Cowards Model ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; The “Heroes and Cowards” game, also called the “Friends and Enemies” game or the “Aggressors and Defenders” game dates back to the Fratelli Theater Group at ;; the 1999 Embracing Complexity conference, or perhaps earlier. ;; setup ;; each agent arbitrarily chooses another in the room to be their perceived friend, and another to be their perceived enemy. ;; setup ;; They don’t tell anyone who they have chosen, but they all move to position themselves either such that ;; Rules ;; they are between their friend and their enemy (BRAVE/DEFENDING), ;; Rules ;; they are behind their friend relative to their enemy (COWARDLY/FLEEING). ;; Purpose ;; Mostly it demonstrates how rich, complex, and surprising behavior can emerge from simple rules and interactions. ;; keywords : setxy random-xcor random-ycor ; set color one-of [ red blue ] ; personalities = "mixed" ; ;; globals, breeds, properties ---------------------------------------------- turtles-own [ friend enemy ] ;; an agent has two properties: a friend and an enemy to setup ;; build the world ---------------------------------------------------------- clear-all ;; clear the universe ask patches [ set pcolor white ] ;; ask the world to be white create-turtles number [ ;; create 'number' of agents, and ask each agent to do the following setxy random-xcor random-ycor ;; set each agent a random coordinate if (personalities = "brave") [ set color blue ] ;; if agent is brave, color it blue if (personalities = "cowardly") [ set color red ] ;; if agent is cowardly, color it red if (personalities = "mixed") [ set color one-of [ red blue ] ] ;; if agent is mixed, color it either color above set friend one-of other turtles ;; make a friend with one of other agents ; user-message (word "how many turtles left" count other turtles ) set enemy one-of other turtles ;; make an enemy with one of other agents (no replacement?) ] reset-ticks ;; put clock back to 0 end to go ;; running the world ---------------------------------------------------------- ask turtles [ ;; ask every agent to do the following if (color = blue) [ act-bravely ] ;; if the agent is brave (blue) , it behaves bravely if (color = red) [ act-cowardly ] ;; if the agent is a coward (red) , it behaves cowardly ] tick ;; the clock is ticking end to act-bravely ;; behaving bravely ---------------------------------------------------------- facexy ([xcor] of friend + [xcor] of enemy) / 2 ;; face toward x-coordintae of middle position between frend and enemy ([ycor] of friend + [ycor] of enemy) / 2 ;; face toward y-coordintae of middle position between frend and enemy fd 0.1 ;; move forward 0.1 unit distance end to act-cowardly ;; behaving cowardly ---------------------------------------------------------- facexy [xcor] of friend + ([xcor] of friend - [xcor] of enemy) / 2 ;; face toward x-coordintae of the position where friend is between agent and enemy [ycor] of friend + ([ycor] of friend - [ycor] of enemy) / 2 ;; face toward y-coordintae of the position where friend is between agent and enemy fd 0.1 ;; move forward 0.1 unit distance end to preset [ seed ] ;; preset initial states (a particular random seed ) of world or parameters -------------- set personalities "mixed" ;; all agents to be "mixed" set number 68 ;; total agent number to be 68 random-seed seed ;; use a particular random seed setup ;; then do the regular setup end to find-friend-enemy ;; find your friend and enemy ---------------------------------------------------------- ask one-of turtles [ ;; ask any one of the agents set size 2 set shape "person" ;; make it twice big and person-shape create-link-with enemy [ set color black ] ;; create a black link connect agent and enemy ask enemy [ set shape "enemy" set size 2 ] ;; ask enemy to be enemy-like and twice big create-link-with friend [ set color yellow ] ;; create a yellow link connecting agent and friend ask friend [ set shape "friend" set size 2 ] ;; ask friend to be friend-like and twice big ] end ; Copyright 2014 Uri Wilensky. ; See Info tab for full copyright and license.
There is only one version of this model, created over 5 years ago by 深度碎片 Kenny.
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File | Type | Description | Last updated | |
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Hero and Coward Updated.png | preview | Preview for 'Hero and Coward Updated' | over 5 years ago, by 深度碎片 Kenny | Download |
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