let currentPoem = "";

​

function preload() {

  // load poem from 'poem.txt'

  loadStrings("poem.txt", process); // process: callback func

}

​

function setup() {

  createCanvas(400, 400);

  textSize(24);

  textAlign(LEFT, TOP);

  textWrap(WORD);

  noLoop(); // draw only once, until mousePressed is triggered

}

​

function draw() {

  background(230, 230, 250);

  text(currentPoem, 10, 10, width - 20); // draw the poem within canvas boundaries

}

​

function process(lines) {

  // process the lines into words

  for (let line of lines) {

    let tokens = splitTokens(line);

    words = words.concat(tokens);

  }

​

  // clean up each word

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

    let word = words[w];

    word = word.replace(/[-_:;.,!?()]/g, "").toLowerCase().trim(); // regex, clean punctuation

    if (word.length < 1) words.splice(w, 1); // remove empty words

    else words[w] = word;

  }

​

  // shuffle and generate the random poem

  shuffle(words, true);

  currentPoem = words.join(" ");

}

​

function mousePressed() {

  // when the mouse is pressed, generate a new randomized poem

  shuffle(words, true); // shuffle words again

  currentPoem = words.join(" "); // update the poem with shuffled words

  redraw(); // manually trigger the draw function to update the canvas

}

​