float piarc = 0.0;
int maxi = 2;
int[] s1 = new int[maxi];
int[] s2 = new int[maxi];
int ss1 = 50; 
int ss2 = 50; 

void setup (){
  size (600,600);
  background(240);
  smooth();
  //    noLoop();
}

void draw (){
  float nx = random(1,4);
  piarc = piarc + .01;
  float n = noise(piarc) * nx;

  fill(250,20);
  rect(0,0,width,height);

  s1[0] = ss1;
  s2[0] = ss2;

  for (int x=0; x<width; x=x+s1[0]) {
    for (int y=0; y<height; y=y+s2[0]) {
      float rnd=n;
      //  stroke(random(255),random(10),random(255),random(80,100));
      noStroke();
      fill(random(255),random(10),random(10),10);
      ellipseMode(CORNER);
      //  rect(x, y, 55, 55);
      fill(random(20,255),random(0),random(255),50);
      //  fill(255,0,0,50);
      int a= int(random(2));     
      if (a==1){
        arc(x, y, s1[0], s2[0], 0, PI/rnd);
      }
      else {
        arc(x, y, s1[0], s2[0], 0, PI/0);
      }
    }
  }
}


void mouseDragged() {
  ss1 = mouseY+10/2;
  ss2 = mouseY+10/2;
}

void keyPressed(){
 // save frame
  if(keyPressed) {
    if (key == 's' || key == 'S') {
      saveFrame("image-####.png");
    }
  }
}