A speed-improved simplex noise algorithm for 2D in PHP (3D and 4D are waiting for you ^_^).
Adaptation in PHP by Jonathan BURON of the original code in Java by Stefan GUSTAVSON.
The preferred method of installation is via Composer. Run the following
command to install the package and add it as a requirement to your project's
composer.json:
composer require natsimhan/simplex-noiseThis code was placed in the public domain by its original author, Stefan Gustavson. You may use it as you see fit, but attribution is appreciated. Please see LICENSE for more information.