let poem = '';

let p; 

​

function preload(){

  loadStrings('poem.txt', processPoem);

}

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  p = createP('');

  p.position(20, 20);

  p.style('font-size', '18px');

  p.style('width', '80%');

}

​

function draw() {

  background(220);

  if (frameCount % 20 == 0 && words.length > 0){

    let randomWord = random(words);

    poem += randomWord + ' ';

    p.html(poem);

  }

}

​

function processPoem(lines) {

  for(let line of lines) {

    let tokens = splitTokens(line);

    words = words.concat(tokens);

  }

  for (let i = words.length - 1; i >= 0; i--){

    let word = words[i];

    word = word.replace(/[^a-zA-Z]/g, '');

    word = word.toLowerCase();

    word = word.trim();

    if (word.length < 1){

      words.splice(i, 1);

    } else {

      words[i] = word;

    }

  }

}