<iframe width='500px' height='400px' src='https://nest.ktbyte.com/nest#22862' allowfullscreen></iframe>

PImage img;

void setup() {
    img = loadImage("https://www.ktbyte.com/blog/300px-Van_Gogh_-_Starry_Night_-_Google_Art_Project.jpg");
    size(400, 400);
    noStroke();
}

void draw() {
    img.loadPixels();
    for (int i = 0; i < 10; i++) {
        int x = (int)(random(0, img.width));
        int y = (int)(random(0, img.height));
        color c = img.pixels[x+y*img.width]; //(x, y);

        fill(c);
        ellipse(x * 1.0 * width / img.width, y * 1.0 * height / img.height, 40 * mouseX / width, 40 * mouseY / width);
    }
}