​

function setup() {

  createCanvas(windowWidth, windowHeight);

}

​

function runningText(duma, meret = 50, szin = 'orange', seb = 4) {

  push();

  textFont('Verdana');

  textStyle(BOLDITALIC);

  textAlign(LEFT, BOTTOM);

  textSize(meret);

  if (textStart === undefined) {textStart = width}

  fill(szin);

  noStroke();

  text(duma, textStart, height);

  textStart -= seb;

  if (textStart + textWidth(duma) < 0) {textStart = width}

  pop();

}

​

function draw() {

  background('black');

  runningText('Hello World!');

}

​