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Note: This page was created for GSAP version 2. We have since released GSAP 3 with many improvements. While it is backward compatible with most GSAP 2 features, some parts may need to be updated to work properly. Please see the GSAP 3 release notes for details. Here are some of the highlights of the GSAP 1.20.0 release... yoyoEase Now you can specify an ease for the yoyo (backwards) portion of a repeating TweenMax animation. Set it to a specific ease like yoyoEase:Power2.easeOut or to flip the existing ease, use the shortcut yoyoEase:true. TweenMax is smart enough to automatically set yoyo:true if you define a yoyoEase, so there's less code for you to write. Score! Animate CSS Variables (custom properties) See the Pen CSS Variables Demo by GreenSock (@GreenSock) on CodePen. Emoji support in TextPlugin 'Nuf said. ...and more There are quite a few little improvements and bug fixes as well, which are listed in the changelog at the github repository. Download GSAP today. Happy tweening!

Note: This page was created for GSAP version 2. We have since released GSAP 3 with many improvements. While it is backward compatible with most GSAP 2 features, some parts may need to be updated to work properly. Please see the GSAP 3 release notes for details. Club GreenSock members get a fresh batch of superpowers with updates to SplitText and ScrambleText, plus two brand new customizable eases in this 1st-Quarter 2017 update! It's our way of saying "thanks" to those who support our ongoing efforts. Let's dig right into the upgrades... SplitText SplitText now supports nested tags like <span>, <strong>, <em>, <p>, etc. This means you can split text with various styling and even links. To make things even cooler, SplitText now supports emoji characters ! SplitText demo See the Pen BzmGba by GreenSock (@GreenSock) on CodePen. "Simply Green" gets ScrambleText We moved ScrambleText into "Simply Green" membership level to deliver even more value. NEW: CustomWiggle and CustomBounce Add wiggle and bounce effects to your GSAP animations with these brand new, highly customizable eases. Even get squash and stretch! CustomWiggle and CustomBounce are now included for anyone with a "Shocking Green" or "Business Green" membership. To learn more visit greensock.com/wiggle-bounce. Thanks We're incredibly grateful to each and every Club GreenSock member, as we simply couldn't do what we do without your ongoing support. It's a privilege to have such a top-notch community around GSAP. Please feel free to plug in even more by participating in the forums to help others or to get your questions answered. It's a fantastic place to learn and be inspired. Enjoy the fresh updates, and happy tweening! [loginwidget]

Note: This page was created for GSAP version 2. We have since released GSAP 3 with many improvements. While it is backward compatible with most GSAP 2 features, some parts may need to be updated to work properly. Please see the GSAP 3 release notes for details. Have you ever tried getting a realistic wiggle effect or tweaking just how bouncy an ease is? What about adding squash and stretch to a bounce? These are not easy tasks. Well, until now. Even though CustomEase, lets you create literally any easing effect that you can imagine (bounces, wiggles, elastic effects, whatever) by drawing them, it's difficult to plot a complex wiggle or bounce while making sure all the points are spaced correctly. Wouldn't it be nice if you could just set a few parameters (like number of wiggles or bounciness) and have that complex easing curve created for you? Wish granted. CustomWiggle CustomWiggle extends CustomEase (think of it like a wrapper that creates a CustomEase under the hood based on the variables you pass in), allowing you to not only set the number of wiggles, but also the type of wiggle (there are 5 types; see demo below). Advanced users can even alter the plotting of the wiggle curves along either axis using amplitudeEase and timingEase special properties (see the docs for details). Demo: CustomWiggle Types See the Pen CustomWiggle Demo : resized by GreenSock (@GreenSock) on CodePen. Options wiggles (Integer) - number of oscillations back and forth. Default: 10 type (String) "easeOut" | "easeInOut" | "anticipate" | "uniform" | "random" - the type (or style) of wiggle (see demo above). Default: "easeOut" amplitudeEase (Ease) - provides advanced control over the shape of the amplitude (y-axis in the ease visualizer). You define an ease that controls the amplitude's progress from 1 toward 0 over the course of the tween. Defining an amplitudeEase (or timingEase) will override the "type" (think of the 5 "types" as convenient presets for amplitudeEase and timingEase combinations). See the example codepen to play around and visualize how it works. timingEase (Ease) - provides advanced control over how the waves are plotted over time (x-axis in the ease visualizer). Defining an timingEase (or amplitudeEase) will override the "type" (think of the 5 "types" as convenient presets for amplitudeEase and timingEase combinations). See the example codepen to play around and visualize how it works. How do you control the strength of the wiggle (or how far it goes)? Simply by setting the tween property values themselves. For example, a wiggle to rotation:30 would be stronger than rotation:10. Remember, an ease just controls the ratio of movement toward whatever value you supply for each property in your tween. Sample code //Create a wiggle with 6 oscillations (default type:"easeOut") CustomWiggle.create("myWiggle", {wiggles:6}); //now use it in an ease. "rotation" will wiggle to 30 and back just as much in the opposite direction, ending where it began. TweenMax.to(".class", 2, {rotation:30, ease:"myWiggle"}); //Create a 10-wiggle anticipation ease: CustomWiggle.create("funWiggle", {wiggles:10, type:"anticipate"}); TweenMax.to(".class", 2, {rotation:30, ease:"funWiggle"}); Wiggling isn't just for "rotation"; you can use it for any property. For example, you could create a swarm effect by using just 2 randomized wiggle tweens on "x" and "y", as demonstrated here. CustomBounce GSAP always had the tried-and-true Bounce.easeOut, but there was no way to customize how "bouncy" it was, nor could you get a synchronized squash and stretch effect during the bounce because: The "bounce" ease needs to stick to the ground momentarily at the point of the bounce while the squashing occurs. Bounce.easeOut offers no such customization. There was no way to create the corresponding [synchronized] scaleX/scaleY ease for the squashing/stretching. CustomEase solves this now, but it'd still be very difficult to manually draw that ease with all the points lined up in the right spots to match up with the bounces. With CustomBounce, you can set a few parameters and it'll create BOTH CustomEases for you (one for the bounce, and one [optionally] for the squash/stretch). Again, think of CustomBounce like a wrapper that creates a CustomEase under the hood based on the variables you pass in. Options strength (Number) - a number between 0 and 1 that determines how "bouncy" the ease is, so 0.9 will have a lot more bounces than 0.3. Default: 0.7 endAtStart (Boolean) - if true, the ease will end back where it started, allowing you to get an effect like an object sitting on the ground, leaping into the air, and bouncing back down to a stop. Default: false squash (Number) - controls how long the squash should last (the gap between bounces, when it appears "stuck"). Typically 2 is a good number, but 4 (as an example) would make the squash longer in relation to the rest of the ease. Default: 0 squashID (String) - the ID that should be assigned to the squash ease. The default is whatever the ID of the bounce is plus "-squash" appended to the end. For example, CustomBounce.create("hop", {strength:0.6, squash:2}) would default to a squash ease ID of "hop-squash". How do you get the bounce and the squash/stretch to work together? You'd use two tweens; one for the position ("y"), and the other for the scaleX/scaleY, with both running at the same time: //Create a custom bounce ease: CustomBounce.create("myBounce", {strength:0.6, squash:3, squashID:"myBounce-squash"}); //do the bounce by affecting the "y" property. TweenMax.from(".class", 2, {y:-200, ease:"myBounce"}); //and do the squash/stretch at the same time: TweenMax.to(".class", 2, {scaleX:140, scaleY:60, ease:"myBounce-squash", transformOrigin:"center bottom"}); See the Pen CustomBounce from GreenSock by GreenSock (@GreenSock) on CodePen. Where can I get it? CustomWiggle and CustomBounce are membership benefits of Club GreenSock ("Shockingly Green" and "Business Green" levels). It's our way of saying "thanks" to those who support GreenSock's ongoing efforts. Joining Club GreenSock gets you a bunch of other bonus plugins and tools like MorphSVGPlugin as well, so check out greensock.com/club/ for details and sign up today.

Download CustomEase Get CustomEase by creating a FREE GreenSock account which gets you access to our community forums plus you’ll receive our exclusive “GreenSock Insider” email series (you can unsubscribe anytime). Make sure you're logged in, then you’ll get immediately gain access to the download zip containing CustomEase. Note: CustomEase is not in the GitHub repository or CDN; it's only available for download at GreenSock.com. data:image/svg+xml,%3Csvg%20xmlns='http%3A//www.w3.org/2000/svg'%20viewBox='0%200%2084.25%2084.25'%3E%3Cdefs%3E%3Cstyle%3E.cls-1%7Bfill%3A%23FFF;%7D%3C/style%3E%3C/defs%3E%3Cpath%20class='cls-1'%20d='M42.12,0A42.13,42.13,0,1,0,84.25,42.12,42.17,42.17,0,0,0,42.12,0Zm0,77.25A35.13,35.13,0,1,1,77.25,42.12,35.17,35.17,0,0,1,42.12,77.25Z'/%3E%3Cpath%20class='cls-1'%20d='M53.38,41.25l-7.63,8V26.66a3.5,3.5,0,1,0-7,0V49.53l-7.69-7.69a3.5,3.5,0,1,0-4.95,4.95L39.78,60.46h0a5.17,5.17,0,0,0,.51.42l.2.11c.13.07.26.15.4.21l.26.08c.13,0,.26.09.4.12a3.17,3.17,0,0,0,.69.07h0c.12,0,.24,0,.36,0a1.65,1.65,0,0,0,.32,0,2.33,2.33,0,0,0,.25-.07,2.83,2.83,0,0,0,.41-.14l.21-.11a2.16,2.16,0,0,0,.39-.22l.2-.16c.11-.09.22-.18.32-.28l0,0L58.44,46.08a3.5,3.5,0,1,0-5.06-4.83Z'/%3E%3C/svg%3E Download GSAP (ZIP) Demos CustomEase Demos

Note: This page was created for GSAP version 2. We have since released GSAP 3 with many improvements. While it is backward compatible with most GSAP 2 features, some parts may need to be updated to work properly. Please see the GSAP 3 release notes for details. Are your animations meant to feel playful? Robotic? Slick? Realistic? If they had a voice, what would they sound like? To become an animation rock star, you must develop a keen sense of easing because that's what determines the style of movement between point A and point B. GreenSock's new CustomEase frees you from the limitations of canned easing options. Create literally any ease imaginable. Zero limitations. CSS animations and WAAPI offer cubic-bezier() which is great but with only two control points it's impossible to create more complex effects like bouncing, elastic, wiggles, rough/jerky eases, etc. Plus you can't make an ease return to its starting values (like a ball jumping into the air and falling back to the ground with a bounce). Features Unlimited anchors and control points. Copy/Paste any SVG <path> (including direct copy/paste from Adobe Illustrator). Use CSS cubic-bezier() values (For example, from cubic-bezier.com). Editor has snapping, undo, sample code and other conveniences. Start with any standard ease and customize it. getSVGData() method turns any ease into SVG <path> data for display at the size you define. Extremely optimized for runtime performance. Free for anyone with a GreenSock account. Reading Ease Curves, Editing, and Using CustomEase Here's an in-depth video tour that'll get you up to speed with exactly how to use CustomEase: Ready to play? Check out the new Ease Visualizer with CustomEase support. Click "Custom" to edit the curve as much as you want: Simple Example See the Pen Video: Single Tween with CustomEase by GreenSock (@GreenSock) on CodePen.&#13;We strongly recommend creating your CustomEases initially (rather than in each tween) to maximize performance and readability. You then reference them by ID in your tweening code. When an ease is created, it must parse through the points and do various calculations to prepare for blisteringly fast runtime performance during the animation, so executing those calculations when your page/app loads is typically best. Download CustomEase To get CustomEase, you must have a GreenSock account which is completely free to set up. Plus it gets you access to our community forums (a fantastic place to learn and get your questions answered). The widget below lets you sign up or if you're already logged in, it'll give you immediate access to the download zip that contains CustomEase in the "easing" directory. Note: CustomEase is not in the github repository or CDN; it's only available for download at GreenSock.com. [loginwidget]