![]() Select gradient composition and go to the tool bar of this software. This will be our main composition.Īgain make another composition and name it as Gradient, then hit the Ok button of this composition box. Make your desired settings in the composition settings box for this composition, then hit the Ok button of this dialog box. ![]() Then, click on the ‘New composition’ option of the drop-down list of composition menu for having new composition. For new composition, go to the Composition menu of the menu bar and click on it. Now let us have a new composition for our learning. You can rearrange all these sections as per your choice at any other place on the working screen. We can create a good background by using gradient features of after effect by following a few simple steps, but before starting, let us look on the working screen of this software so that we can easily understand different terms we will use during our learning about this topic.Īt the top of the working screen, there is a bar which we will called Menu bar, which has a number of menus below this, we have a toolbar along with its property bar at the right side of this bar, below this toolbar, we have three sections that are at left side we have Projects panel along with Effect Control panel, at the center we have display window in which we can see our current working, at the right side we have we have some parameters’ tabs such as Preview tab, Align tabs, Effects & Presets tab and some others. Keep transitions and animations to only transform and opacity, and you’re certain to achieve the best possible performance, and with that, the best possible user experience.3D animation, modelling, simulation, game development & others How to use Gradient in After Effect for Making Motion Background? Why bother?Įven if your desktop likely handles animating box-shadow without any issues, your phone may not, and even your desktop may start to stutter when animating a more complex layout. That’s certainly a lot of CSS to achieve the same effect as simply animating box-shadow, just with improved performance. This is the critical difference between the two techniques, stripping out all of the other layout styles: ![]() We minimize the amount of repaints (and work that your browser has to do) by sticking to only changing these two properties during the animation. Why are we seeing this effect? There are very few CSS properties that can be animated without constantly triggering repaints for every frame, namely opacity and transform. There are clearly more re-paints when hovering the cards on the left side (animating box-shadow), compared to hovering the cards on the right side (which animate the opacity of their pseudo-element). If you bring up your developer tools and hover one of these items, you should see something similar to this (green bars are paints less is better): On the left we’re animating box-shadow on hover, and on the right we’re adding a pseudo-element with :after, applying the shadow to that, and animating the opacity of that element. The only difference is how we apply and animate the shadow. If the two examples look the same to you, that’s the point. Have a look at the demo and compare the two different techniques we’ll be exploring. There’s an easy way of mimicking the same effect, however, with minimal re-paints, that should let your animations run at a solid 60 FPS: animate the opacity of a pseudo-element. Animating a change of box-shadow will hurt performance. How do you animate the box-shadow property in CSS without causing re-paints on every frame, and heavily impacting the performance of your page? Short answer: you don’t.
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