Source code of plot #032 back to plot

Download full working sketch as 032.tar.gz.
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Unless otherwise noted, code published here is © Gábor L Ugray, shared under the Creative Commons BY-NC-SA license (Attribution, Non-Commercial, Share-Alike). Files in lib/thirdparty, and additional libraries in the downloadable archive, are shared under their respective open-source licenses, attributed to their authors.

import {rand} from "./random.js"

// https://stackoverflow.com/questions/2450954/how-to-randomize-shuffle-a-javascript-array

function shuffle(array) {
  var currentIndex = array.length, randomIndex;

  // While there remain elements to shuffle...
  while (currentIndex != 0) {

    // Pick a remaining element...
    randomIndex = Math.floor(rand() * currentIndex);
    currentIndex--;

    // And swap it with the current element.
    [array[currentIndex], array[randomIndex]] = [
      array[randomIndex], array[currentIndex]];
  }

  return array;
}

export { shuffle };