var y = 0;

var z = 0;

​

var a = 10;

var b = 28;

var c = 8 / 3;

​

var points = [];

​

function setup() {

  createCanvas(800, 600, WEBGL);

  colorMode(HSB);

}

​

function draw() {

  background(0);

  var dt = 0.01;

  var dx = (a * (y - x)) * dt;

  var dy = (x * (b - z) - y) * dt;

  var dz = (x * y - c * z) * dt;

  x = x + dx;

  y = y + dy;

  z = z + dz;

  points.push(createVector(x, y, z));

  // translate(width / 2, height / 2);

  scale(5);

  stroke(255);

  strokeWeight(5);

  noFill();

  var hu = 0;

  beginShape();

  for (var v of points) {

    stroke(hu, 255, 255);

    vertex(v.x, v.y, v.z);

    var offset = p5.Vector.random3D();

    offset.mult(0.1);

    v.add(offset);

    hu += 0.1;

    if (hu > 255) {

      hu = 0;

    }

  }

  endShape();

  orbitControl();

}