Images & Emoji (live)

var img;

var emoji_bright, emoji_dark;

​

function preload() {

  //img = loadImage("nasa_buzz.jpg");

  emoji_bright = loadImage("Twemoji_1f611.png");

  emoji_dark = loadImage("Twemoji_1f621.png");

}

​

function setup() { 

  createCanvas(640, 480);

  img = createCapture(VIDEO);

  img.size(640, 480);

  img.hide();

  //noLoop();

}

​

function draw() {

  //image(img, 0, 0);

  background(0);

  img.loadPixels();

  for (var y=0; y<img.height; y+=20)

  {

    for (var x=0; x<img.width; x+=20)

    {

      //var pix = red(img.get(x, y));

      // Fast but complicated

      var pix = img.pixels[(y*img.width+x)*4];

      if (pix <= 128)

      {

        image(emoji_dark, x, y, 20, 20);

      }

      else

      {

        image(emoji_bright, x, y, 20, 20);

      }

    }

  }

}