With processingjs you can’t give the background color an alpha-channel in the main canvas (the Processing-object).
This behavior is inherited from the original Java-based Processing, where this doesn’t make sense to have an transparent background.
However it’s possible to have this effect, if you want to and I’ll show you how:
var el = document.getElementById( “basecanvas” ); var processing =… Read more »
The goal of this article is to demostrate how to create a dialog with it own self-contained functionality using jQuery and blockUI.