Scene 17 :: Basic Masking

In Flash, the technique know as “masking” should really be named “revealing”. It can feel backwards, so just think…REVEAL and it’ll be easier. Here are examples of static masking (like a window) with moving content (something moving past the window), and animated masking (the spotlight) with static content (the text).

Basic Masking :: Part 1 of 2

Basic Masking :: Part 2 of 2

Let me know if you need clarification on any of this.
:o)