How to loop a path in After Effects - and still be able to edit it
After Effects Paths don't work with the loopOut expression. The workaround expressions prevent you from changing the path shapes. Here we show you how to get around this and keep editing your path whilst it loops.
Why doesn’t Set Matte just work like a Track Matte?
After Effects’ Set Matte effect is a great way to matte a layer but it has some quirks that mean it doesn’t work the same way a track matte does, and this often confuses people.