Noisy3

var nb=5000;

var a,b,c,d;

var circles=[];

function setup() {

  createCanvas(windowWidth,windowHeight);

  stroke(0,150);

  colorMode(HSB,360,255,255,255);

  a=random(.002,.01);

  b=random(.002,.01);

  c=random(.002,.01);

  d=random(.002,.01);

  for(var i=0;i<nb;i++){

    circles.push(createVector(random(width),random(height)));

  }

}

​

function draw() {

  for(var i=0;i<nb;i++){

    var radius=80*noise(a*circles[i].x+sin(frameCount*10*b),b*circles[i].y-cos(frameCount*.06))*noise(c*circles[i].x+cos(frameCount*10*a),d*circles[i].y+sin(frameCount*.06));

    fill(7*radius,255,255,100);

    stroke(6*radius,255,50,200-radius);

    ellipse(circles[i].x,circles[i].y,radius,radius);

    if(random(1)>.99)circles[i]=createVector(random(width),random(height));

  }

  for(var i=1;i<nb;i+=2){

    var radius=80*noise(d*circles[i].x+cos(frameCount*10*c),c*circles[i].y+sin(frameCount*.05))*noise(b*circles[i].x+sin(frameCount*10*d),a*circles[i].y+cos(frameCount*.06));

    fill(7*radius,255,255,100);

    stroke(7*radius,255,50,200-radius);

    ellipse(circles[i].x,circles[i].y,radius,radius);

    if(random(1)>.99)circles[i]=createVector(random(width),random(height));

  }

}