The Turtle in Array & Function & Loop

int [] moveTutle = {
  100, 300
};
int [] size = {
  10, 20, 40
};

int [] colorr = {
  255, 153, 102
};

int a = 500;
void setup () {
  size (300, 600);
  background (255);
}

void draw () {
  background (255);
  int moveTutleY = a;
    if (mouseX<=mouseY) {
    background (0, 0, 204);
  }
  for (int i=0; i<moveTutle.length; i++) {
    draw_tutle (moveTutle[i], size[i], colorr[i]);
  }
  draw_tutle (moveTutleY, size[2], colorr[2]);
  a = a - 1;
  if (a <= 0) {
    a = height;
  }
}

void draw_tutle (int moveTutle, int size, int colorr) {
  noStroke ();
  fill (255, 102, 0);
  ellipse ((width/2)-50, moveTutle-40, size, size/2);
  ellipse ((width/2)+50, moveTutle-40, size, size/2);
  ellipse ((width/2)-50, moveTutle+40, size, size/2);
  ellipse ((width/2)+50, moveTutle+40, size, size/2);

  ellipse (width/2, moveTutle-75, size, size+30);

  fill (colorr, 51, 0);
  ellipse (width/2, moveTutle, size+80, size+130);
  fill (colorr, 204, 0);
  ellipse (width/2, moveTutle, size+60, size+110);
}