/** * Create Image.  *  * The createImage() function provides a fresh buffer of pixels to play with. * This example creates an image gradient. */PImage img;void setup() {  size(200, 200);    img = createImage(120, 120, ARGB);  for(int i=0; i < img.pixels.length; i++) {    img.pixels[i] = color(0, 90, 102, i%img.width * 2);   }}void draw() {  background(204);  image(img, 33, 33);  image(img, mouseX-60, mouseY-60);}