How to add circle in the code as noise

Processing Libraries
1

vector
vector1500×1600 616 KB

2 
import processing.sound.*;

SoundFile song;
int n;
Circle[] ellipse;
float ty = 0;
float noiseScale = 0.02;

void setup() {
  size(400,400);
  
  song = new SoundFile(this, "mine.mp3");
  song.loop();
  
  n =100;
  ellipse = new Circle[n];
  
  for(int i=0; i<n; i++) {
    ellipse[i] = new Circle(i);
  }
}

void draw(){
  background(0);
  
  for(int i=0; i<n; i++) {
    ellipse[i].display();
  }
}



class Circle{
//  float noise;
//  //int index;
//  color c;
  
  Circle(int index) {
    
//    //x = random(width);
//    //y = random(height);

//    //this.index = index;
    
//    //noise = 0.0000000001;
    
//    //int randomColor = int(random(1,4));
//   // c = color(255, 255,255);
  }
  
  void display() {
    
    //noStroke();
    fill(130, 5);
    float tx = 0;
    
    for(int i = 0; i < width; i++) {
      stroke(noise(tx,ty)*255*1.5, 255, 250);
    // stroke(c);
      ellipse(i, 150+noise(tx,ty)*250, 3, 3);
      
      tx += map(i, 0, width, 0.00001, 0.1);
      
  }
  ty += map(20, 0, height, 0.00001, 0.1);
}
}
3

What is your question, exactly? What does it do, and what do you want it to do instead?