Index

"use strict";

var Cylon = require("cylon");

Cylon
  .robot()
  .connection("opencv", { name: "opencv", adaptor: "opencv" })
  .device("window", { driver: "window" })
  .device("camera", {
    driver: "camera",
    camera: 0,
    haarcascade: __dirname + "/haarcascade_frontalface_alt.xml"
  })

  .on("ready", function(bot) {
    bot.camera.once("cameraReady", function() {
      console.log("The camera is ready!");

      // We listen for frame ready event, when triggered
      // we display the frame/image passed as an argument to
      // the listener function, and we tell the window to wait 40 milliseconds
      bot.camera.on("frameReady", function(err, im) {
        if (err) { console.error(err); }
        console.log("FRAMEREADY!");
        bot.window.show(im, 40);
      });

      // Here we have two options to start reading frames from
      // the camera feed.
      // 1. "As fast as possible": triggering the next frame read
      //    in the listener for frameReady, if you need video
      //    as smooth as possible uncomment #bot.camera.readFrame()
      //    in the listener above and the one below this comment.
      //    Also comment out the `every 50, bot.camera.readFrame`
      //    at the end of the comments.
      //
      // bot.camera.readFrame()
      //
      // 2. `Use an interval of time`: to try to get a set amount
      //    of frames per second (FPS), we use an `every 50, myFunction`,
      //    we are trying to get 1 frame every 50 milliseconds
      //    (20 FPS), hence the following line of code.
      //
      setInterval(function() {
        bot.camera.readFrame();
      }, 50);
    });
  });

Cylon.start();