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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);
}
}
}