One of the most interesting and most used properties is autoAlpha. Thanks to callbacks, animation events can trigger some secondary effects. It also includes callbacks, which serve as something of a bridge between the world of animation and JavaScript. In addition, GSAP offers a lot of custom properties. The complete list of properties obviously includes all of the CSS properties. The second argument used here is a selection of animation properties. A good example of such elements could be SVGs imported from assets and used as regular React components. That gives you plenty of options to get to elements in which adding a ref is difficult. In addition to the element itself, you can also reference an ID or HTML class. To do the same in React, you will typically turn to useRef. Let’s take a look at an example of a tween based on the gsap.to() function.Ī HTML element is the first argument of the function. I sorted the list above, starting from those that I feel are used the most for tweens. om() – you only determine starting values (the ending values will be inherited from default CSS styles).omTo() – you determine both starting and ending CSS values of your animations.gsap.to() – all you determine are the ending CSS values your object is to be animated into.This is the building block of any GSAP-based work. When you start with GSAP, one of the first concepts you learn about is the tween. And considering the popularity of GSAP, there aren’t that many issues you may come across that were not already addressed before.īefore I get back to the project, I’m going to give you a quick overview of the theory so that you can create animations like this yourself.It’s really vibrant, full of people willing and able to help. The authors created a discussion forum that over time produced a larger user base. GSAP is so comprehensive that it can animate any CSS/JS property supported by a given browser.It can animate anything JavaScript, that is, any numerical property of JavaScript or a given object.It makes it possible to implement all types of animations that were relevant to the project.This particular library met the requirements of the project best of all available options for a couple of reasons: It also provides advanced playback controls and accessibility friendly animations. GSAP gives you precise control over CSS properties, making it possible to create professional grade animations. Moving generic objects along a predetermined path (MotionPathPlugin).Turning (morphing) one SVG shape into another smoothly (MorphSVGPlugin).Progressively revealing or hiding SVG strokes to achieve the effect of drawing in real-time (the DrawSVGPlugin plugin).You can use it to design all kinds of JS animations, ranging from simple manipulations of individual DOM elements to complex effects that involve multiple segments triggered at specific moments. GSAP is a powerful JavaScript library and a robust JavaScript toolset that makes it easier to create professional grade animation. Long story short, I picked the GreenSock Animation Platform (GSAP). Taking care of countless browser inconsistencies in rendering JS animations was another important objective. The first thing that came to my mind was to find a library that could make the development faster. JavaScript-based animations are not an easy subject.
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