let pointcount = 1000000;

​

let fc=0;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  for(let i=0;i<pointcount;i++){

    points.push(createVector(i*width/pointcount, noise(0, i*width/(pointcount * 100)) * height));

  }

  noFill();

}

​

function draw() {

  background(255);

  let ts = millis()/1000;

  beginShape();  

  for(let i=0;i<pointcount;i++){

    points[i].y=(noise(ts, points[i].x/100) * height);

    vertex(points[i].x,points[i].y);

  }

  endShape()

  fc++

  if(millis()>10000){

    print(fc)

    noLoop()

  }

}