sourceRectAtTime(); | After Effects Expressions

Get the most comprehensive intro to After Effects ever: https://jkinmo.com/liae sourceRectAtTime() is a crazy useful expression, but there isn't a great explanation of what it exactly does, or how to wrangle it to do what you want. In this tutorial I'll demystify this expression and teach everything you need to use it to your full advantage. Feel free to ask questions or leave feedback in the comments! And if you have any ideas for other tutorials, I'm all ears! My Skillshare Classes: http://bit.ly/jbskill Explainer Camp: https://www.schoolofmotion.com/explai... Instagram: http://bit.ly/jbinst Dribbble: http://bit.ly/2tJz5Ay Twitter: http://bit.ly/2tOX7ui My amazing music package was made by Sonos Sanctus - sonosanctus.com