Procedural Drawing: moving eyeballs

float x=0 ; //location for the face
float x2=0 ;//location for the eyes
int dirX = 1; //direction for the face
int dirX2 = -1; //direction for eyes
float speedX = 0.5; //speed of face
float speedX2 = 0.001; //speed of eyes
void setup () {
  size(400, 400);
  background(0);
}
void draw () {

  background(0);

  noFill();
  //condition for the direction of the face to change
  x += speedX * dirX;
  if (x <= -200) {
    // x = -25;
    dirX = - dirX;
  }
  if (x >=200) {
    dirX  = -1;
  }
  for (int i = -200; i <= 600; i+=70) {
    for (int i2 = 25; i2 <=400; i2+=70) {
      stroke(i, random(200), random(255));
      strokeWeight(2);
      noFill();
      ellipse(i+x, i2+(random(-1.5, 1.5)), 50, 50);
      arc(i+x, i2+(random(-1.5, 1.5))-7, 40, 40, radians(50), radians(130));
      for (int i3 = -200; i3 <= 500; i3+=70) {
        //condition for the direction of the face to change
        x2 += speedX2 * dirX2;
        if (x2 <= -100) {
          // x = -25;
          dirX2 = - dirX2;
        }
        if (x2 >= 200) {
          dirX2  = -1;
        }

        strokeWeight(1);
        ellipse(i3-8+x2, i2+(random(-2, 2))-6, 10, 10);
        ellipse(i3+8+x2, i2+(random(-2, 2))-6, 10, 10);
      }
    }
  }


  save ("capture.png");
}