moons

int num=8, cols=8, edge=50;
PImage[] moon = new PImage[num];
int c=0;

void setup() {
  size(500, 500);
  int counter = 189;
  for (int i=0; i<num; i++) {
    String img = counter + ".png";
    println(img);
    moon[i]=loadImage(img);
    counter++;
  }
  frameRate(5);
}

void draw() {
  background(20);
  for (int x=0; x<cols; x++) {
    for (int y=0; y<cols; y++) {
      float px = map(x,0,cols,edge,width-edge);
      float py = map(y,0,cols,edge,height-edge);
      paintMoon(px, py,int(x), int(y));
    }
  }
  if (frameCount<=num) saveFrame("image-###.gif");
}

void paintMoon(float x, float y, int offX, int offY) {
  pushMatrix();
  translate(x, y);
  image(moon[(frameCount+offX)%num], 0, 0,50,50);
  popMatrix();
}