​

function setup() {

  createCanvas(400, 400);

  background(220);

  scene = new Scene();

  reel();

}

​

function draw() {

  background(220);

}

​

async function reel() {

  let tex = createTeX('\\oint H\\cdot dl = \\iint   {\\color\{blue\}\{(\\nabla \\times  H)\}} dS');

  tex.position(30,50);

  tex.size(350);

​

  let texty = createText("Ampere Circulation Law");

  texty.position(25, 50); 

  texty.size(35);

  play(tex, 'all-at-once'); 

  await scene.delay(3000); //waiting for 4000 ms

  play(texty);

}

​