Have you ever looked in the Adobe After Effects Effects menu and wondered what some effects are used for?
This time: Angle Control

Motion designer Harry Frank demonstrates how to get around the particle orientation limitation in Trapcode Particular wherein particles always face the camera.

This allows you to control the angle of view of a camera interactively, by scaling a null object
on screen.

This generates perfect circular motion centered around the original position of the layer.

Creates an oscillating motion between two specified values over a specified period of time
(in seconds).

From Adobe's LiveDocs:

This expression is customizable, and you can change many things including: the radius of the cylinder, the overall rotation of the cylinder, the spacing vertical spacing between rows of the cylinder, and the amount of layer on each level of the cylinder.