Update Conway Sphero example
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Andrew Stewart
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8d6bb1ba71
commit
8ca8da6711
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@ -1,89 +1,86 @@
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var Cylon = require('../..');
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var Cylon = require("../..");
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var bots = [
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{ port: '/dev/rfcomm0', name: 'Thelma' },
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{ port: '/dev/rfcomm1', name: 'Louise' },
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{ port: '/dev/rfcomm2', name: 'Grace' },
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{ port: '/dev/rfcomm3', name: 'Ada' }
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];
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var Green = 0x0000FF,
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Red = 0xFF0000;
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var Green = 0x0000FF;
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var Red = 0xFF0000;
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var bots = {
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'Thelma': '/dev/rfcomm0',
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'Louise': '/dev/rfcomm1',
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'Grace': '/dev/rfcomm2',
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'Ada': '/dev/rfcomm3'
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};
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var ConwayRobot = (function() {
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function ConwayRobot() {}
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Object.keys(bots).forEach(function(name) {
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var port = bots[name];
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ConwayRobot.prototype.connection = { name: 'Sphero', adaptor: 'sphero' };
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ConwayRobot.prototype.device = { name: 'sphero', driver: 'sphero' };
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Cylon.robot({
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name: name,
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ConwayRobot.prototype.born = function() {
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connection: { name: 'sphero', adaptor: 'sphero', port: port },
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device: { name: 'sphero', driver: 'sphero' },
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work: function(my) {
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my.born();
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my.sphero.on('collision', function() {
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my.contacts += 1;
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});
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every((3).seconds(), function() {
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if (my.alive) {
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my.move();
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}
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});
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every((10).seconds(), function() {
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my.birthday();
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});
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},
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move: function() {
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this.sphero.roll(60, Math.floor(Math.random() * 360));
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},
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born: function() {
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this.contacts = 0;
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this.age = 0;
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this.life();
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this.move();
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};
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},
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ConwayRobot.prototype.move = function() {
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this.sphero.roll(60, Math.floor(Math.random() * 360));
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};
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ConwayRobot.prototype.life = function() {
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life: function() {
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this.alive = true;
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this.sphero.setRGB(Green);
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};
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},
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ConwayRobot.prototype.death = function() {
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death: function() {
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this.alive = false;
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this.sphero.setRGB(Red);
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this.sphero.stop();
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};
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},
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ConwayRobot.prototype.enoughContacts = function() {
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return (this.contacts >= 2 && this.contacts < 7);
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};
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enoughContacts: function() {
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return this.contacts >= 2 && this.contacts < 7;
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},
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ConwayRobot.prototype.birthday = function() {
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birthday: function() {
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this.age += 1;
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if (this.alive) {
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console.log("Happy birthday, " + this.name + ". You are " + this.age + " and had " + this.contacts + " contacts.");
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}
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if (this.enoughContacts()) {
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if (this.alive == null) { this.rebirth(); }
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if (!this.alive) {
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this.born();
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}
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} else {
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this.death();
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}
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this.contacts = 0;
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};
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ConwayRobot.prototype.work = function(me) {
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me.born();
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me.sphero.on('collision', function() {
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this.contacts += 1;
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}
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});
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every((3).seconds(), function() {
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if (me.alive != null) { me.move(); }
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});
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every((10).seconds(), function() {
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if (me.alive != null) { me.birthday(); }
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});
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};
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return ConwayRobot;
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})();
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for (var i = 0; i < bots.length; i++) {
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var bot = bots[i];
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var robot = new ConwayRobot;
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robot.connection.port = bot.port;
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robot.name = bot.name;
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Cylon.robot(robot);
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}
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});
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Cylon.start();
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@ -26,138 +26,129 @@ First off, let's load up Cylon:
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var Cylon = require('../..');
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For easier use later, let's define the colors we'll be using with the Spheros,
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green for alive and red for dead:
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var Green = 0x0000FF,
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Red = 0xFF0000;
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We'll be using four robots for this example, but they'll have very similar
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programming so we just need to define what's different between them for now.
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Each of the robots will have a unique name, and will communicate on their own
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port.
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var bots = [
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{ port: '/dev/rfcomm0', name: 'Thelma' },
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{ port: '/dev/rfcomm1', name: 'Louise' },
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{ port: '/dev/rfcomm2', name: 'Grace' },
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{ port: '/dev/rfcomm3', name: 'Ada' }
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];
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For easier use later, let's define the colors we'll be using with the Spheros,
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green for alive and red for dead:
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var Green = 0x0000FF;
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var Red = 0xFF0000;
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var bots = {
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'Thelma': '/dev/rfcomm0',
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'Louise': '/dev/rfcomm1',
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'Grace': '/dev/rfcomm2',
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'Ada': '/dev/rfcomm3'
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};
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That gets the basics out of the way.
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Since, as previously mentioned, our robots all have the same basic
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functionality, we can define that functionality in a CoffeeScript class. Since
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we're feeling particularly creative today, let's call this class `ConwayRobot`:
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functionality, we can just loop over the `bots` object, and create robots as we
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go.
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var ConwayRobot = (function() {
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function ConwayRobot() {}
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Object.keys(bots).forEach(function(name) {
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var port = bots[name];
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All of our robots will be connecting to a Sphero, and be operating via a single
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device (you guessed it, a Sphero).
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ConwayRobot.prototype.connection = { name: 'Sphero', adaptor: 'sphero' };
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ConwayRobot.prototype.device = { name: 'sphero', driver: 'sphero' };
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Cylon.robot({
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name: name,
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connection: { name: 'sphero', adaptor: 'sphero', port: port },
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device: { name: 'sphero', driver: 'sphero' },
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Now that the pieces are there, we can set up our robot's work. It starts by
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being "born", then moves every three seconds if it's alive, celebrates it's
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birthday every ten seconds, and increments it's contacts every time the Sphero
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detects a collision.
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work: function(my) {
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my.born();
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my.sphero.on('collision', function() {
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my.contacts += 1;
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});
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every((3).seconds(), function() {
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if (my.alive) {
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my.move();
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}
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});
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every((10).seconds(), function() {
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my.birthday();
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});
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},
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When a robot is asked to move, it rolls in a random direction at speed 60.
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move: function() {
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this.sphero.roll(60, Math.floor(Math.random() * 360));
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},
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When the robots are first started, they are born. This sets their contacts to
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zero, their age to zero, makes them "alive", and starts them moving for the
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first tick.
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ConwayRobot.prototype.born = function() {
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born: function() {
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this.contacts = 0;
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this.age = 0;
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this.life();
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this.move();
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};
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When a robot is asked to move, it rolls in a random direction at speed 60.
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ConwayRobot.prototype.move = function() {
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this.sphero.roll(60, Math.floor(Math.random() * 360));
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};
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},
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In the case of our robots, "life" just means the robot's internal "alive" state
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is set to `true`, and the Sphero's LED is set to green.
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ConwayRobot.prototype.life = function() {
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life: function() {
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this.alive = true;
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this.sphero.setRGB(Green);
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};
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},
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Similarly, "death" just sets the "alive" state to false, the Sphero's color to
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red, and stops the Sphero from moving.
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ConwayRobot.prototype.death = function() {
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death: function() {
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this.alive = false;
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this.sphero.setRGB(Red);
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this.sphero.stop();
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};
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},
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A robot is decided to have enough contacts if it has between two and six
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contacts.
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ConwayRobot.prototype.enoughContacts = function() {
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return (this.contacts >= 2 && this.contacts < 7);
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};
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enoughContacts: function() {
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return this.contacts >= 2 && this.contacts < 7;
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},
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On a robot's birthday, it increments it's age, prints it's name, age, and
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contacts to the console, and then determines if it's now alive or dead based on
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the number of contacts it had in the last tick.
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ConwayRobot.prototype.birthday = function() {
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birthday: function() {
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this.age += 1;
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if (this.alive) {
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console.log("Happy birthday, " + this.name + ". You are " + this.age + " and had " + this.contacts + " contacts.");
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}
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if (this.enoughContacts()) {
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if (this.alive == null) { this.rebirth(); }
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if (!this.alive) {
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this.born();
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}
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} else {
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this.death();
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}
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this.contacts = 0;
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};
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Now that the pieces are there, we can set up our robot's work. It starts by
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being "born", then moves every three seconds if it's alive, celebrates it's
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birthday every ten seconds if it's alive, and increments it's contacts every
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time the Sphero detects a collision.
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ConwayRobot.prototype.work = function(me) {
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me.born();
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me.sphero.on('collision', function() {
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this.contacts += 1;
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});
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every((3).seconds(), function() {
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if (me.alive != null) { me.move(); }
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});
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every((10).seconds(), function() {
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if (me.alive != null) { me.birthday(); }
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});
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};
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return ConwayRobot;
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})();
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Now that we've defined the behaviour of our Conway's Game robots, we can make
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the robots themselves.
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For each of the sets of unique characteristics in the earlier `bots` array,
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we'll create a new `ConwayRobot`, assign it it's unique characteristics, and
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pass it to Cylon so it will keep track of them.
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for (var i = 0; i < bots.length; i++) {
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var bot = bots[i];
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var robot = new ConwayRobot;
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robot.connection.port = bot.port;
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robot.name = bot.name;
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Cylon.robot(robot);
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}
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});
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});
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Now that Cylon knows about our robots and what they do, we can get started!
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