plasmafractal

PlasmaFractal.js

Generate plasma fractals in JavaScript. A.k.a.: the random midpoint displacement fractal, cloud fractal, diamond-square algorithm ...

Demo

See the unexciting canvas demonstration.

Usage

Object-oriented:

var fractal = new PlasmaFractal({
  width: 600,
  height: 600
});

var data = fractal.generate();

Simple:

var data = PlasmaFractal.build({
  width: 600,
  height: 600
});

Low-level:

var data = PlasmaFractal.generate(
  0, // starting x coordinate
  0, // starting y coordinate
  600, // width
  600, // height
  Math.random(), // seed value for top-left corner
  Math.random(), // seed value for top-right corner
  Math.random(), // seed value for bottom-right corner
  Math.random(), // seed value for bottom-left corner
  function(d, w, h) { // midpoint displacement function
    return (Math.random() - .5) * d / (w + h) * 3;
  };
);

Install

Using npm:

$ npm install plasmafractal

Using Bower:

$ bower install plasmafractal

Thanks

Jason Davies

License

The MIT License (MIT)

Copyright (c) 2014 Matthew Trost

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.