copy() method.let draft, ready;
function preload() {
ready = loadImage("assets/parrot-color.png");
draft = loadImage("assets/parrot-bw.png");
}
function setup() {
createCanvas(600, 400);
noCursor();
cursor("assets/brush.png", 20, -10);
image(ready, 0, 0);
image(draft, 0, 0);
}
function mouseDragged() {
copy(ready, mouseX, mouseY, 20, 20, mouseX, mouseY, 20, 20);
}​