What do expressions even do?

Engaged ,
Jun 15, 2022 Jun 15, 2022

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Alt+Left-Clicking the wick icon makes it show an expression. If you just Left-Click is it the same?

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Adobe Community Professional ,
Jun 15, 2022 Jun 15, 2022

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Not sure what you mean by the wick icon, but you can create a default expression by alt+clicking a property's animation stop watch icon. If you just click that icon it will create at keyframe at the current time (or remove all keyframes if one or more already exist).

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Adobe Community Professional ,
Jun 16, 2022 Jun 16, 2022

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Expressions allow you to extend what After Effects can do.

For example, I use expressions to create animated infographics where some values (like percentages for some statistics) animate from 0 to a specific value. You can't do that by hand, without expression. It would drive you crazy 😉

 

Marek Mularczyk
Adobe Certified Expert and Instructor

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Engaged ,
Jun 17, 2022 Jun 17, 2022

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show a small demo

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Adobe Community Professional ,
Jun 16, 2022 Jun 16, 2022

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Alt+click on stopwatch icon next to a property adds an expression.

Just click on stopwatch icon adds just a keyframe.

That's the difference.

 

Marek Mularczyk
Adobe Certified Expert and Instructor

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Engaged ,
Jun 17, 2022 Jun 17, 2022

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so they are the same?

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Adobe Community Professional ,
Jun 17, 2022 Jun 17, 2022

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Alt clicking gets you into an expression menu where you can link properties together or write code.

Left clicking is different. Left clicking mainly adds or removes keyframes.

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Engaged ,
Jun 17, 2022 Jun 17, 2022

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What if you get into the expression menu but right no code, can you still operate like it's keyframe only mode?

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