2001cv1

// computer vision test

// hipster burglar alarm

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var capture, imageout;

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var sound;

var playing = 0;

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function preload() {

  sound = loadSound("2.mp3");

}

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function setup() {

  createCanvas(windowWidth, windowHeight);

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  capture = createCapture(VIDEO); // this opens up the camera

  pixelDensity(1); // turns off oversampling ("retina display")

  capture.size(32, 32); // this is in pixels

  capture.hide(); // telling the browser to hide the camera so we can draw it ourselves

  imageout = createImage(32, 32); // create an empty picture

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}

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function draw() {

  background(0);

  capture.loadPixels();

  noSmooth();

  var s = 0;

  for(let i = 0;i<capture.pixels.length;i+=4)

  {

    s+=capture.pixels[i+1] // GREEN

  }

  s/=(capture.pixels.length/4);

  s/=255.;

  if(s<0.5) {

    if(playing==0) {

      sound.play();

      playing = 1;

    }

  }

  else {

    playing = 0;

  }

  image(capture, 0, 0, width, height);

  textSize(80);

  text(s, width/2, height/2);

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}

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