Howler.js is used for loading the sounds. I have used the CDN but you can download the file and add it to the circles.html via a script tag just like paper.js is used. visit https://howlerjs.com/ and http://paperjs.org/ for more information.
Howler.js is used for loading the sounds. I have used the CDN but you can download the file and add it to the circles.html via a script tag just like paper.js is used. visit https://howlerjs.com/ and http://paperjs.org/ for more information.