Opacity animation in After Effects 2023

[Hamza Raheem Khan]

Hi there!

I hope you'll are doing great.

I'm stuck in a project at my company. The idea is to transform one product from raw to final so that we can show the processes it went through. I have the idea that it can be done in after effects but don't know how to animate the opacity. The product has been played using some kind of opacity brush or Luma Key.

Reference: Nudie Jeans - Raw to Final  

It will a great favour.

Thanks!

[Mylenium]

They are simply multiple layers with individual masks and korrektive warping/ morphing to keep things aligned.

Mylenium

[Rick Gerard · Accepted solution]

You can use animated gradients over the layers as Luma Track Mattes to create the progressive fade-in and fade-out. You can also use animated masks with animated feathering and keyframe positions over each layer. There is no automated plugin that will exactly duplicate this effect with a couple of clicks. It's all properly aligned with animated opacity driven by mask property keyframes or luminance levels (white to black) on a luma track matte layer.

Let us know if you need more help. Spending some time in the Learn workspace or with the User Guide will show you how to use track mattes and set mask keyframes. Try the Search Help field in the top right corner of After Effects.