# 3.1 Angles and Rotation

Welcome to Chapter 3 of The Nature of Code: Oscillating Motion! I begin in this video by explaining angles, the different units of measurements for angles: degrees and radians, and how to rotate shapes in p5.js.

p5.js reference entry on the mathematical constant tau

In this three part tutorial, I cover matrix "transformations" using p5.js.

- Editing
by Mathieu Blanchette

- Animations
by Jason Heglund