I code my animations and my stills using Processing, a computer language that's optimized for visual output.
If you want to know more about my motivations regarding coding then you might be interested in this interview.
My stuff can also be found here: ello: www.ello.co/p5art, tumblr: p5art.tumblr.com, facebook: www.facebook.com/p5art
I've also got an introductory course for creative coding on Skillshare and Udemy.
Stuff going on: