Expression Time After Effects

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Work with Motion Graphics templates in After Effects Use expressions to create drop-down lists in Motion Graphics templates Work with Essential Properties to create Motion Graphics templates.

Introduction to After Effects Expressions After Effect is graphics designing software that is used for video editing work and popular between video editing graphics professionals. We can animate any object in this software by using Expressions. This iExpression is applied to the time remapping property of the layer and allows to play back some region of the clip at each marker. This is useful, for example, if you have a precomp with w twinkling eye and want it to twinke at each marker.

You probably already looked for it on internet… You probably crushed your head into the table trying to round numbers in your composition on After Effects! Here is the solution: math.round();

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We often use the function math.round() to round a dynamic number, for example, a number from a “Slider Control” value. If you link your Source Text to you Slider value (Alt+Click on the clock icon then link it to the Slider value) you’ll see a weird number.

It will return you a value in terms of the Slider position. But what we would like to do is to round this number to make the animation smoother. In order to make this you need to wrap the expression returned by After Effects with the Math.round() function:

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And Voilà! Here we are, we just got a beautiful round number… But as we are never satisfated, now we want to round up this number to two decimal places. In this kind of situation, remember, there is always a tip, a way to “cheat”, simply multiply the number by 100 and divide the all thing (the wrap) by 100 as well.

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Expression Time Remap After Effects

Update – 01/12/2017

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The last way to round number was the “Tricky” way. Because when you wanna round numbers but you still wanna keep useless zeros after the comma it will cut them out!
Here is the proper way to do if you want to keep the full decimals. You can customise this expression, if you want more or less numbers before and after the comma by modifying the numDec and numDigit vars.