Now explain the clamp expression that we want to add to limit this slider to that range. II.) Change how much of the stroke you see (Trim Paths)Ĭollapse all the extra opened layer parameters we don’t need and add a Trim Paths to the Ellipse 1.
Move back down to our expressions and use the pick whip to just tell the stroke to be whatever size to which the slider is set.
Open up the Effects>Slider Control>Slider in the layers area Show a couple examples of how it works (type out a simple number, use “time”, use “random(100) )Īdd a new Null Object and add a slider using the Effects panel to this object Open the 2560×1440 composition that has the background video in place already.Ĭreate a large ellipse and center it in the docĪdd a 65px large orange stroke and reset the anchor point to centerįind the Stroke Width parameter and Alt/Opt + click to open the expressions editor. I.) Link changing stroke size to a slider Whether you have a ton of experience writing expressions or whether you’re brand new to this game, you’re going to love this tutorial a learn a whole bunch about it! Thanks for watching, I hope you love it! Tags: after effects tutorial, after effects tutorials, after effects expressions, how to write expressions after effects, how to, tutvid, nathaniel dodson, after effects expressions 101, after effects expressions wiggle, after effects sliders, after effects expressions turbulent displace, after effects expressions tutorial, after effects expressions loopout, after effects expressions help, expression, after effects, after effects CC 2018, AE Tutorial Recording Notes:ĭisclaimer: these are the actual notes I used to record this video and are written in a language you may or may not understand. In this After Effects tutorial, we’ll build an animation that has objects linked to a slider in After Effects so you or people you send the file to can easily make updates and changes to the After Effects file and to different elements that you want to allow people to be able to edit and adjust for easy editing later. LEARN BETTER ANIMATION WITH THESE EXPRESSIONS IN AFTER EFFECTS TUTORIAL! | We’ll ramp up from very simple animation expressions to slightly more complex expressions that will help your animations in After Effects.
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