In this video, I show you how to make funky circles on your face with p5.js. P5.js is a javascript library used for drawing. It uses the canvas to accomplish this.
P5.js
https://editor.p5js.org/
Code:
https://gist.github.com/phptuts/9ce5889011923a02789ecd6fc4aff5a2
Just search for what I search for in the video.
P5.js Docs:
https://p5js.org/reference/
