float x = 30;
float y = 30;

void setup() {
 size(800, 800);
 frameRate(24);
}

void draw(){
translate(width / 2, height * 1 / 2);
x += width /20;
float cnt = 20;
fill(#888888);
noStroke();
for (int i = 0; i < cnt; i++) {
  ellipse(100, 200, x, y);
  rotate(4 * PI / cnt);

  if(x >=  width ) {
    x=0;
}
}
}