// Daniel Shiffman

// https://github.com/shiffman/A2Z-F20

​

// Tracery by Kate Compton

// https://github.com/galaxykate/tracery

​

let grammar;

​

// Here is the grammar

let data = {

  "start": ["#[hero:#character#][villain:#monster#]story#"],

  "story": ["Once upon a time, there was #hero.a#. And that #hero# was very #adj#. And the #hero# liked #food#. The #hero# was very #adj#. Then the #hero# met a #adj# #adj# #villain#. And she killed the #villain#. #exclamation#. And then the #hero# ate the #food# and she was so #adj# and she was #adj# too today."],

  "character": ["fairy", "unicorn", "dragon", "prince", "wolf", "princess", "bear"],

  "adj": ['😎', '😍', '💚', "🔥", 'smart', 'pretty', 'smelly', 'funny', 'weird', 'happy', 'sad', 'angry'],

  "food": ["🍇", "🍈", "🍉", "🍊", "🍋", "🍌", "🍍", "🍎", "🍏", "🍐", "🍑", "🍒", "🍓", "🍅", "🍆", "🌽", "🌶", "🍄", "🌰", "🍞", "🧀", "🍖", "🍗", "🍔", "🍟", "🍕", "🌭", "🌮", "🌯", "🍳", "🍲", "🍿", "🍱", "🍘", "🍙", "🍚", "🍛", "🍜", "🍝", "🍠", "🍢", "🍣", "🍤", "🍥", "🍡", "🍦", "🍧", "🍨", "🍩", "🍪", "🎂", 'pizza', 'dumplings', 'hamburger', 'ice cream', 'french fries', 'salmon'],

  "monster": ['dragon', 'dinosaur', 'chupacabra', 'jaguar', 'joker', 'voldemort'],

  "exclamation": ['🙉', "🔥🔥🔥🔥🔥🔥🔥", 'Groooooooooan', 'Yahooooooooooo', 'Eeeeeeeeeeeeeeeek']

}

​

function setup() {

  noCanvas();

  // Make the grammar

  grammar = tracery.createGrammar(data);

​

  // A button to generate a new sentence

  let button = select('#generate');

  button.mousePressed(generate);

​

  // A button to clear everything

  let clearButton = select('#clearButton');

  clearButton.mousePressed(clearAll);

}

​

// Remove everything

function clearAll() {

  let elements = selectAll('.text');

  for (let i = 0; i < elements.length; i++) {

    elements[i].remove();

  }

}

​

function generate() {

  let expansion = grammar.flatten('#start#');

  // console.log(grammar.expand('#start#'));

  let par = createP(expansion);

  let r = floor(random(100, 255));

  let g = floor(random(150, 255));

  let b = floor(random(200, 255));

  par.style('background-color', 'rgb(' + r + ',' + g + ',' + b + ')');

  par.class('text');

}