From the course: After Effects Apprentice: 05 Creating Transparency

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Animating mattes

Animating mattes - After Effects Tutorial

From the course: After Effects Apprentice: 05 Creating Transparency

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Animating mattes

You don't have to rely on a movement inherent in your footage to create interesting animated track mattes. You can go ahead and animate or keyframe track matte elements as well. To do that, I am going to open up a new comp 10-Animated Matte*starter. It's another blank comp and I'll drag -in a couple more pieces of footage. I'll go ahead and drag in our fire that we had before, the Firestorm, center it in the background, and on top I am going to go ahead and put the thing called inkblot matte. It's this kind of an inkblot that we created for you. It's much bigger than our composition. So I am going to go ahead and drag it to start, justify it down towards the bottom of the comp, and type P to reveal its Position. I'll enable keyframing for Position. Size it up the way I want it. Maybe I like it starting there. Press the N key to go to the end of my comp and drag it to its new location, maybe around here. Zero to RAM Preview and now I've got it sliding up the screen. Now that I've done…

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