Noise+sina+cosa

var t=0;

nInt=1;//noise intensity

nAmp=1;// noise Amplitude

var rad=50;

//var tchange=0.05;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  noiseDetail(2);

  smooth();

}

​

function draw() {

  translate(width/2,height/2);

  background(255,50);

  noisyCircle(1.1,1.1,0.008);

  noisyCircle(1.3,1.1,0.008);

}

function noisyCircle(nInt,nAmp,tchange){

  //background(200,100);

  noFill();

  //stroke(random(200),0,random(200));

  //translate(width/4,height/4);

  for(rad=6;rad<200;rad+=3){

    //nAmp+=.0001;

    nInt+=0.03;

  beginShape();

  for(var a=0;a<TWO_PI;a+=TWO_PI/300){

    nVal=map(noise(cos(a)*nInt+1,sin(a)*nInt+1,t),0,1,nAmp,2);

    x=cos(a)*rad*nVal;

    y=sin(a)*rad*nVal;

    vertex(x,y);

  }

  endShape(CLOSE);}

  /*rad-=1;

  if(rad<0){

    rad=0;}*/

t+=tchange;

}