cylon/examples/sphero_shakeometer/sphero_shakeometer.js

"use strict";

var Cylon = require("cylon");

Cylon.robot({
  connections: {
    sphero: { adaptor: "sphero", port: "/dev/tty.Sphero-YBW-RN-SPP" }
  },

  devices: {
    sphero: { driver: "sphero" }
  },

  work: function(my) {
    var max = 0;
    var changingColor = false;

    my.sphero.setDataStreaming(["velocity"], { n: 40, m: 1, pcnt: 0 });
    my.sphero.on("data", function(data) {
      if (!changingColor) {
        var x = Math.abs(data[0]),
            y = Math.abs(data[1]);

        if (x > max) {
          max = x;
        }

        if (y > max) {
          max = y;
        }
      }
    });

    every((0.6).second(), function() {
      changingColor = true;

      if (max < 10) {
        my.sphero.setColor("white");
      } else if (max < 100) {
        my.sphero.setColor("lightyellow");
      } else if (max < 150) {
        my.sphero.setColor("yellow");
      } else if (max < 250) {
        my.sphero.setColor("orange");
      } else if (max < 350) {
        my.sphero.setColor("orangered");
      } else if (max < 450) {
        my.sphero.setColor("red");
      } else {
        my.sphero.setColor("darkred");
      }

      max = 0;
      changingColor = false;
    });

  }
}).start();