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var img;
var emoji_bright, emoji_dark, emoji_lightgrey, emoji_darkgrey;
function preload() {
img = loadImage("nasa_buzz.png");
emoji_bright = loadImage("weiss.png");
emoji_dark = loadImage("schwarz.png");
emoji_lightgrey = loadImage("grau.png");
emoji_darkgrey = loadImage("hellgrau.png");
}
function setup() {
createCanvas(512, 512);
noLoop();
}
function draw() {
//image(img, 0, 0);
img.loadPixels();
for (var y = 0; y < img.height; y += 10) {
for (var x = 0; x < img.width; x += 10) {
var pix = red(img.get(x, y));
if (pix <= 63) {
image(emoji_dark, x, y, 10, 10);
} else {
if (pix <= 120) {
image(emoji_darkgrey, x, y, 10, 10);
} else {
if (pix <= 180) {
image(emoji_lightgrey, x, y, 10, 10);
} else {
image(emoji_bright, x, y, 10, 10);
}
}
}
}
}
}