Haiku Animation

• Haiku Animation Tutorial
• Haiku Animation Gif

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A Day In the Life of an Animator: Haiku Some time in the late part of 2004, word was spread around the Reel FX office that we were going to be featured in some local business publication. As part of that project, the call was put out for folks to write little blurbs about what it's like to work at the studio, with the typical 'day in the life. Mimicking the Medium clap Animation with Sketch and Animator. Export to React, after designing in Sketch, and tweaking keyframes in Animator. Reference and technical documentation on Animator by Haiku and Haiku Core API's. Advice and answers on common issues, frequently asked questions, and tips.

Have you ever painstakingly built an animation using code — JavaScript, or Core Animation, or CSS — and thought there must be a better way? Have you ever dreamed of a tool that lets you design the parts of your app the need designing, and code the parts that need coding?

We've dreamed of this, too! This is why we set out to build Animator, a tool for desiging and building animated, cross-platform UI components. Our mission is to bring design and code closer together — and to do this, we do a lot of integrating.

Animator integrates with Sketch so you can use familiar drawing tools; it integrates with Git and npm so that designers and developers can work with a shared version history; it integrates with Lottie so you can export native animations for Android and iOS; and it integrates with React so that your designed components work seamlessly with any React web app.

Now Animator integrates with Vue, too. This means Animator components are first-class citizens in Vue applications. Pull components in through npm, nest them with other Vue components, pass in live data through props — it's the same Vue you know and love, but a lot more animated.

Here's Evan You's take on it: (the creator of Vue)

Quite impressed with @HaikuForTeams - allows you to design complex animations with GUI and use in an existing Vue app as a component: https://t.co/3WaS37paNS

Haiku Animation Tutorial

Let me show you an example. I've crafted a very simple Whac-A-Mole game: all the animation and logic related to the game itself is handled internally by the Animator component while the score tracking is handled by Vue. The component is able to communicate back and forth with the Vue app with ease.

Animator automatically hosts Git repositories for every project you create (private by default). Here's the source for this component.

In this post we'll explore the basics of Haiku Core, the rendering engine that powers Animator for Mac, as well as the new Vue adapter, while showing how we built out the adapter itself.

Haiku Core

Haiku Core itself is a platform-agnostic UI component library. Give it a JavaScript object that fits the specification of an Animator component, and it will give you an object that describes how it should be rendered.

But just describing how to render isn't very interesting or useful. Normally, you want to see something on your screen! That's where the concept of adapters comes in.

In Haiku Core, adapters take care of turning the rendering and layout returned by the engine into an actual visible, animated, and interactive element — inside whatever the host platform is. Out of the box, Haiku Core ships with a DOM adapter (for rendering in web pages), a React DOM adapter (for rendering Animator components inside React DOM components), and the Vue.js adapter. You can also export Animator projects to Lottie, for native animation rendering on iOS, Android, and React.

Before diving into adapter-specific code, let's take a peek into the internals of Haiku Core and its relationship with Animator for Mac in order to discover some of Haiku Core's possibilities and features.

Your design is code

With Animator anyone can build interactive components for any web page or native app.

When you design in Animator, you're writing code (well, Animator does it for you). And when you edit the code, you're updating the design. This bridge between design and code goes both ways. This works because the Animator design format is no more than a JavaScript object, which Animator knows how to read and write.

Haiku Animation Gif

We informally call this normalized definition of a component the bytecode. This way of representing components enables Animator to provide an amazing set of features such as shared version histories for designers and developers.

From bytecode to live components

Here's an example of a simple component definition, to get a taste of what it looks like:

In order to render this component definition, Core needs a DOM element to attach the component and an optional set of options that allows you interact with your it by providing live data, hooking into its lifecycle events and more.

ADVANCED: Building the wrapper

If you want to use Animator to design and build app components, you've already read far enough. However, if you want to know more about the internals, or would like to integrate Animator with another library (looking at you, Angular!) then read on.

Now that we have a basic understanding of what's behind the covers, let's create a Vue wrapper that can be used for consumers of Core to render idiomatic components.

Inside of this component, we need to tell to Core where and how to attach our animation, and we are going to do this by taking advantage of Vue lifecycle hooks:

When you design in Animator, you're writing code (well, Animator does it for you). And when you edit the code, you're updating the design. This bridge between design and code goes both ways. This works because the Animator design format is no more than a JavaScript object, which Animator knows how to read and write.

Haiku Animation Gif

We informally call this normalized definition of a component the bytecode. This way of representing components enables Animator to provide an amazing set of features such as shared version histories for designers and developers.

From bytecode to live components

Here's an example of a simple component definition, to get a taste of what it looks like:

In order to render this component definition, Core needs a DOM element to attach the component and an optional set of options that allows you interact with your it by providing live data, hooking into its lifecycle events and more.

ADVANCED: Building the wrapper

If you want to use Animator to design and build app components, you've already read far enough. However, if you want to know more about the internals, or would like to integrate Animator with another library (looking at you, Angular!) then read on.

Now that we have a basic understanding of what's behind the covers, let's create a Vue wrapper that can be used for consumers of Core to render idiomatic components.

Inside of this component, we need to tell to Core where and how to attach our animation, and we are going to do this by taking advantage of Vue lifecycle hooks:

• When the component is mounted, we are going to create an instance of our animation, just like we did in with our sample component definition above.
• When the component is destroyed, we are going to let know to our animation that is being unmounted by calling the component instance method callUnmount.

Lastly, we are going to define a render function that it's going to render an empty div which we can use to attach our component:

Accepting options

As we saw before, Core is able to receive options, and our component is going to receive them via props.

But, since props can be updated once the component is already rendered, we also need to use the updated lifecycle hook to update the animation instance with the new configuration by taking advantage of the Animator component instance method assignConfig.

Note: in this example, we are only accepting haikuOptions and haikuStates, but Core supports even more configuration options!

Lifecycle events

An Animator component also provides lifecycle hooks that are modeled after React lifecycle hooks.

Since Vue exposes a special syntax to deal with events, we want our wrapper to embrace it by providing an interface that looks like this:

Animator lifecycle hooks are declared in the config object that you pass to Core, so we'll need to update our mounted function with the proper hooks, adding a $emit call every time an event is triggered:

Wrapping it up

And that's it! The real adapter has some subtleties related to rendering and adaptation to the codebase, but that is the gist of it. If you want to see the full code, please take a look — it's all open source.

If you want to build an adapter for your favorite framework, we are open source and very much enjoy pull requests! If you need any help to do so, please ping us in our Slack Community.