Note that this is a bare-bones example. 

​

  For a more complete example, see https://observablehq.com/@dhowe/rita-grammars

​

  For more advanced grammar and riscript features, see: 

    https://observablehq.com/@dhowe/tut-rita-ngrams#advanced

*/

​

let font, grammar, json;

let lines = ["click to", "generate", "a haiku"];

​

​

function setup() {

​

  createCanvas(650, 300);

  textAlign(CENTER);

  loadFont('Bootzy Font.ttf', f => textFont(f, 30));

  grammar = RiTa.grammar(texxt); // from grammar.js

}

​

function draw() {

​

  background(230, 240, 255);

  text(lines[0], width / 2, 75);

  text(lines[1], width / 2, 110);

  text(lines[2], width / 2, 145);

}

​

function mouseReleased() {

​

  let result = grammar.expand();

  // split on the % char output from the grammar

  lines = result.split("%");  

}