So like, there's no need to do the manually. Like I said, they're used to automate some animations within the program. So you can see this is what it looks like when it's completed. We're going to be using a few really simple expressions bits of code in Adobe after effects to make this looping animations that repeat like forever effectively. Hello, this is Tziporah Zions from Noble Desktop, and in this tutorial, I'm going to show you how to create this loop expression animation in Adobe after effects. Type in LoopOut(“offset”), so that whenever the hour hand loops, it adds its initial value of 30 degrees to its Rotation. Alt-click on the blue Rotation stopwatch to add an Expression.Change the hour hand’s degree of Rotation to 30 degrees.Move the Playhead over to 0 00 01 12 about.Hit R for Rotation and click the stopwatch next to Rotation to set a keyframe. Move the Playhead back to the origin, and select the hour hand. Type in LoopOut(“”), which is the default Loop expression. Change the first value in the minute hand’s rotation to 1, so it makes one full revolution around the clock.Move the Playhead in about a second to 0 00 01 00.With the Playhead at the origin, click on the stopwatch next to Rotation to set a keyframe.Type in LoopOut(“pingpong”) to have the pendulum swing back and forth in a loop. Select both keyframes, right click on either selected keyframe, and navigate to Keyframe Assistant > Easy Ease.Move the Playhead in about a second or so, to 0 00 01 00.Click on the stopwatch next to Rotation to set a keyframe, and change the Rotation angle to 30 degrees.Select the pendulum layer and hit R for Rotation.Repeat the previous step with the minute hand and the pendulum.Drag the Anchor Point to the base of the hour hand. Select the hour hand and hit Y for the Pan Behind tool.Double click on the mantle clock layer to go inside the Precomp.Project Overview Setting Up The Anchor Points Getting the Project Files Download the project filesĪfter the download has finished, be sure to unzip the file if it hasn’t been done for you. LoopOut() is one of many things you can do with the Expressions language that is part of Adobe After Effects. In this tutorial, we're going to show you how to use the loopOut() function in Adobe After Effects. Loop expressions can be used not just for rotation, but for position and scale as well, providing a high level of flexibility for animating different objects and motion paths.
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