let y = 0;

let z = 0;

​

let a = 10;

let b = 28;

let c = 8.0 / 3.0;

​

let points = new Array();

​

function setup() {

  createCanvas(600, 500, WEBGL);

  colorMode(HSB);

}

​

function draw() {

  background(0);

  let dt = 0.01;

  let dx = a * (y - x) * dt;

  let dy = (x * (b - z) - y) * dt;

  let dz = (x * y - c * z) * dt;

  x = x + dx;

  y = y + dy;

  z = z + dz;

​

  points.push(new p5.Vector(x, y, z));

  translate(0, 0, -80);

  let camX = map(mouseX, 0, width, -200, 200);

  let camY = map(mouseY, 0, height, -200, 200);

  camera(camX, camY, (height / 2.0) / tan(PI * 30.0 / 180.0), 0, 0, 0, 0, 1, 0);

​

  stroke(255);

  noFill();

  scale(5);

​

  let hu = 0;

  beginShape();

  for (let v of points) {

    stroke(hu, 255, 255);

    vertex(v.x, v.y, v.z);

    hu += 0.1;

    if (hu > 255) {

      hu = 0;

    }

  }

  endShape();

}

​