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Reduced Motion Picture Technique, Take Two

Did you see that neat technique for using the <picture></picture> element with <source media=""/> to serve an animated image (or not) based on a prefers-reduced-motion media query?

After we shared that in our newsletter, we got an interesting reply from Michael Gale:

What about folks who love their animated GIFs, but just didn’t want the UI to be zooming all over the place? Are they now forced to make a choice between content and UI?

I thought … Read article

Article

Integrating Third-Party Animation Libraries to a Project

Creating CSS-based animations and transitions can be a challenge. They can be complex and time-consuming. Need to move forward with a project with little time to tweak the perfect transition? Consider a third-party CSS animation library with ready-to-go animations waiting to be used. Yet, you might be thinking: What are they? What do they offer? How do I use them?

Well, let’s find out.… Read article

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Revisiting prefers-reduced-motion, the reduced motion media query

Two years ago, I wrote about prefers-reduced-motion, a media query introduced into Safari 10.1 to help people with vestibular and seizure disorders use the web. The article provided some background about the media query, why it was needed, and how to work with it to avoid creating disability-triggering visual effects.

The article was informed by other people’s excellent work, namely Orde Saunders’ post about user queries, and Val Head’s article on web animation motion sensitivity. … Read article

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Scroll-Linked Animations

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Reversing an Easing Curve

Let’s take a look at a carousel I worked on where items slide in and out of view with CSS animations. To get each item to slide in and out of view nicely I used a cubic-bezier for the animation-timing-function property, instead of using a standard easing keyword.… Read article

Article

Material Design Animation Guides

I've seen two guides posted to Medium about animation in the last month that have seriously blown up!

There is a lot to learn in each one! The demonstration animations they use are wonderfully well done and each guide demonstrates an interesting and effective animation technique, often paired next to a less successful technique to drive the point home. … Read article

Article

Browser painting and considerations for web performance

The process of a web browser turning HTML, CSS, and JavaScript into a finished visual representation is quite complex and involves a good bit of magic. Here’s a simplified set of steps the browser goes through:

  1. Browser creates the DOM and CSSOM.
  2. Browser creates the render tree, where the DOM and styles from the CSSOM are taken into account (display: none elements are avoided).
  3. Browser computes the geometry of the layout and its elements based on the render tree.
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Article

Animate Images and Videos with curtains.js

While browsing the latest award-winning websites, you may notice a lot of fancy image distortion animations or neat 3D effects. Most of them are created with WebGL, an API allowing GPU-accelerated image processing effects and animations. They also tend to use libraries built on top of WebGL such as three.js or pixi.js. Both are very powerful tools to create respectively 3D and 2D scenes.

But, you should keep in mind that those libraries were not originally designed … Read article

Article

Page Transitions for Everyone

As Sarah mentioned in her previous post about page transition using Vue.js, there is plenty of motivation for designers and developers to be building page transitions. Let's consider mobile applications. While mobile applications are evolving, more and more attention is given to the animation experience, while the web pretty much stays the same. Why is that?Read article

Article

Simple Swipe with Vanilla JavaScript

I used to think implementing swipe gestures had to be very difficult, but I have recently found myself in a situation where I had to do it and discovered the reality is nowhere near as gloomy as I had imagined.

This article is going to take you, step by step, through the implementation with the least amount of code I could come up with. So, let's jump right into it!… Read article

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