Get started working with expressions in After Effects. No prior experience with code required, and in a few minutes you'll be ready to work on your own to create new expressions and learn how to use functions you need as you go along.
Oct 17, 2016
Jul 12, 2016
Jun 3, 2016
We'll have 2 null objects in the scene that will define the corners of a box. Just like the clicks in creating a rectangle with the marquee tool, the first null defines the origin, and the other is the direction the box goes in. Take this as an exercise in understanding how expressions work with different properties, and hey, you could learn something useful.
So, let's figure this out.