How to Build and shoot a ray gun and shrink an object for a film with effects

The shrink ray as always been one of the oddest and least-useful sci-fi guns, but alien invaders seem to love them and so we'll keep seeing them. If you want to use a shrink ray in a film you're working on, watch this video. It will teach you how to first make a generic ray / laser gun, and then how to make an object shrink in After Effects.