How to Change a Mask Shape in After Effects
Introduction
Masks in After Effects allow you to control which parts of a layer are visible. By changing a mask’s shape over time, you can create unique animations and transitions. This guide will show you how to modify a mask shape using keyframes.
Step 1: Create a New Composition
Go to Composition > New Composition, set the desired resolution and duration, and select a background color. This color will be visible in areas where the mask does not apply.
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