02pixel_hochschulfarben (live)

var img;

var emoji_bright, emoji_brightest, emoji_middle, emoji_dark, emoji_darkest;

​

function preload() {

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

  emoji_brightest = loadImage("pixel_gelb.png");

  emoji_bright = loadImage("pixel_grau.png");

  emoji_middle = loadImage("pixel_rot.png");

  emoji_dark = loadImage("pixel_blau.png");

  emoji_darkest = loadImage("pixel_gruen.png");

}

​

function setup() { 

  createCanvas(1440, 980);

  img = createCapture(VIDEO);

  img.size(1440, 980);

  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 <= 50)

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

      else if (pix > 50 && pix < 100)

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

      else if (pix > 100 && pix < 130)

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

      else if (pix > 130 && pix < 180)

        image(emoji_bright, x, y, 15, 15);

        else if (pix > 180)

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

    }

  }

}