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Found 11 results

  1. Introducing Flip Plugin Flip Plugin lets you seamlessly transition between two states even if there are sweeping changes to the structure of the DOM like re-parenting of elements which would normally cause them to jump to a new position/size. UI transitions that would normally be a nightmare just got remarkably simple to code. Watch the visual walk through video and you'll see why this is not your typical FLIP library. Flip Plugin is a membership benefit of Club GreenSock ("Shockingly Green" & above). It's called "Flip" because it uses the FLIP (First, Last, Invert, Play) animation technique (coined by Paul Lewis). SPECIAL OFFER: Use coupon code FLIP4GSAP during checkout to get 20% off! Valid through Saturday 2021-01-16. There's no better time to be a Club GreenSock member! Resources Full documentation Showcase How-to demos DrawSVG Values Beyond 0-100% DrawSVG now allows you to animate to values beyond the 0-100% range. That means that creating looping/wrapping effects with DrawSVG is even easier! Check out this collection of demos by Craig, a GreenSock moderator and the creator of MotionTricks.com. See the Pen Infinity Symbol Looping by Craig Roblewsky (@PointC) on CodePen. See the Pen Multicolor/target Looping (New DrawSVG) by Craig Roblewsky (@PointC) on CodePen. DrawSVG is one of many Club GreenSock plugins (not in the public downloads or repos). ScrollTrigger snap: "labelsDirectional" When you've got a timeline hooked up to a ScrollTrigger, you've always been able to set snap: "labels" to have it dynamically snap to the closest label, but the new snap: "labelsDirectional" option will take into consideration the direction of scrolling and force it to go to the next label in that direction. So, for example, users aren't forced to drag past the halfway point of sections to have it snap to the next one. It may sound like a small thing, but it can make things feel so much more delightfully intuitive. In the demo below, try changing snap: "labels" for a comparison - notice it'll only snap once you go past halfway? But "labelsDirectional" snaps based on the direction of playhead movement. See the Pen "labelsDirectional" Demo by GreenSock (@GreenSock) on CodePen. Other Improvements and Bug Fixes GSAP 3.6 also has a slew of other improvements and bug fixes so make sure to grab the latest files today!
  2. GreenSock

    GSAP 3.4 Released

    GSAP 3.4 has arrived with some significant improvements to ScrollTrigger like: Accommodating different setups for various screen sizes, like a mobile version and desktop version - ScrollTrigger.matchMedia() Batching and staggering elements that enter the viewport, similar to what's often done with IntersectionObserver - ScrollTrigger.batch() Integrating with smooth scrolling libraries - ScrollTrigger.scrollerProxy() ScrollTrigger.matchMedia() You can use standard media queries to seamlessly transition between different ScrollTriggers. It's surprisingly simple to set up and let ScrollTrigger automatically handle all of the creating, undoing, and destroying for you. Basic setup ScrollTrigger.matchMedia({ // desktop "(min-width: 800px)": function() { // setup animations and ScrollTriggers for screens 800px wide or greater (desktop) here... // These ScrollTriggers will be reverted/killed when the media query doesn't match anymore. }, // mobile "(max-width: 799px)": function() { // The ScrollTriggers created inside these functions are segregated and get // reverted/killed when the media query doesn't match anymore. }, // all "all": function() { // ScrollTriggers created here aren't associated with a particular media query, // so they persist. } }); See the Pen ScrollTrigger.matchMedia() Demo by GreenSock (@GreenSock) on CodePen. There's a new ScrollTrigger.saveStyles() method that can be useful with matchMedia(). It saves the current inline styles for any element(s) so that they're reverted properly if animations added other inline styles. It's explained in the video above. See the ScrollTrigger.matchMedia() docs for details. ScrollTrigger.batch() Normally, each ScrollTrigger fires its callbacks (onEnter, onLeave, etc.) immediately when they occur but what if you want to coordinate an animation (like with staggers) of ALL the elements that fired a similar callback around the same time? ScrollTrigger.batch() creates a coordinated group of ScrollTriggers (one for each target element) that batch their callbacks within a certain interval, delivering a neat Array so that you can easily do something like create a staggered animation of all the elements that enter the viewport around the same time. It's a great alternative to IntersectionObserver because it's more widely compatible and easier to work with. Plus you're not restricted to only entering or exiting the viewport - batch() can use ANY start and end values! Demo See the Pen ScrollTrigger.batch() Demo by GreenSock (@GreenSock) on CodePen. See the ScrollTrigger.batch() docs for details. ScrollTrigger.scrollerProxy() ScrollTrigger purposefully avoids "scrolljacking" (disabling the browser's native scrolling behavior in favor of a custom, non-standard scrolling solution). However, smooth scrolling was by far the most requested feature to pair with ScrollTrigger. There are plenty of smooth-scrolling libraries out there, so we created the .scrollerProxy() method to make it simple to integrate any of them with ScrollTrigger (or create your own effects). Here's a basic example using Locomotive Scroll but check out the .scrollerProxy() docs for examples with other libraries. See the Pen ScrollTrigger with LocomotiveScroll by GreenSock (@GreenSock) on CodePen. And more... GSAP 3.4 also delivers various bug fixes, so we'd highly recommend installing the latest version today. There are many ways to get GSAP - see the Installation page for all the options (download, NPM, zip, Github, etc.). Resources Full release notes on Github Full documentation Getting started with GSAP Learning resources Community forums ScrollTrigger Express video course from Snorkl.tv Happy tweening!
  3. GreenSock

    GSAP 3.2 Released

    GSAP 3.2 has some groundbreaking features for converting coordinates and aligning elements. Check out the video explanation below. Warning: it's a bit advanced, but hopefully you'll see how crazy-useful these capabilities can be. New: "alignOrigin" for motion paths MotionPathPlugin recognizes a new alignOrigin property that pins a certain spot on the target to the path. For example, alignOrigin: [0.5, 0.5] pins the center of the target on the path and sets the transformOrigin accordingly so that rotations are around that point as well. To get a similar effect before 3.2, you'd need to set the transformOrigin separately as well as a -50 xPercent/yPercent. Use the Array syntax to define progress values along the x and y axis, so [1, 0.5] would be the right side, centered vertically. Or use a point object like {x: 20, y: 50} to specify a coordinate (measured from the top left corner in pixels at its native size). Sample code // Move the element along a path, rotating it along with the line gsap.to("#spaceship", { duration: 5, motionPath: { path: "#path", autoRotate: true, align: "#path", alignOrigin: [0.5, 0.5] // aligns the center of the target on the path } }); See the Pen MotionPath aligning with path demo by GreenSock (@GreenSock) on CodePen. See the MotionPathPlugin docs for details. New: getRelativeDistance() that transcends coordinate spaces Have you ever wanted to move one element to another element even if they're in different containers... which may have various transforms, warping the coordinate systems and making it super difficult to calculate? If so, you will love this magical function which is explained in the video at the top of this page. See the Pen GSAP 3 convertCoordinates() by GreenSock (@GreenSock) on CodePen. See the getRelativePosition() docs for details. New: convert coordinates between elements/contexts GSAP can now take a local coordinate from inside one element and calculate exactly where that coordinate lines up inside of ANOTHER element's local coordinate space! So you could take a "click" pointer event from the window and map that to an element's local coordinate system even if it's deeply nested inside various containers that have transforms applied! Or, as you can see in the demo below, convert between coordinate spaces to make the blue arm stay connected with the rotating red arm: See the Pen GSAP 3 convertCoordinates() by GreenSock (@GreenSock) on CodePen. See the convertCoordinates() docs for details. And more... GSAP 3.2 also delivers various bug fixes, so install the latest version today (3.2.6). There are many ways to get GSAP - see the Installation page for all the options (download, NPM, zip, etc.) Resources Full release notes on each release is on Github Full documentation In case you missed it: GSAP 3.1 highlights (previous release) Getting started with GSAP Learning resources Community forums Happy tweening!
  4. GreenSock

    GSAP 3.1 Released

    GSAP 3.1 has landed with some exciting new features and various bug fixes. We highly recommend updating at your earliest convenience. Here are a few highlights: Random staggers GSAP’s staggers get even more powerful. Use the new from: “random” option to randomize how the staggers get applied. See the Pen GSAP from: "random" stagger by GreenSock (@GreenSock) on CodePen. Learn more about the advanced staggering options available in GSAP 3 below. See the Pen GSAP 3.0 Stagger demo by GreenSock (@GreenSock) on CodePen. shuffle() any Array The new shuffle() utility method randomly shuffles the contents of any Array (in place). var array = [1, 2, 3, 4, 5]; gsap.utils.shuffle(array); // returns the same array, but shuffled like [2, 5, 3, 1, 4] Timelines can now repeatRefresh Now timelines support repeatRefresh which makes all child tweens invalidate() and get refreshed when the timeline repeats, meaning their start and end values get re-calculated. It’s most useful for relative, random, or function-based values. For example, if a tween has a value like x: “random(-100, 100)”, each time the timeline repeats x would go to a new random value. See the Pen GSAP repeatRefresh on Timelines by GreenSock (@GreenSock) on CodePen. repeatRefresh skips yoyo’s It seemed a little odd to refresh the values when going in reverse, so now repeatRefresh won’t get triggered for the yoyo phase of the animation. See the Pen GSAP repeatRefresh with yoyo demo by GreenSock (@GreenSock) on CodePen. Smooth handling of complex borderRadius, borderWidth, margin, and padding values GSAP 3.1 accommodates not only simple values like borderRadius: “50%” but also more complex ones like borderRadius: “20px 50% 40px 15px” or borderRadius: “50% 20%” and it animates between them smoothly. The same goes for borderWidth, margin, and padding which can have complex values (top, right, bottom, and left). It will also return complex values correctly via gsap.getProperty(). Plus GSAP works around a Firefox bug that mis-reports certain values like borderRadius. Download today! There are many ways to get GSAP 3.1 - see the Installation page for all the options (download, NPM, zip, etc.) Resources GSAP 3.1.0 full release notes on Github Full documentation Getting started with GSAP Learning resources Community forums Happy tweening!
  5. GreenSock

    GSAP 2.1 Released

    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. There are plenty of large and small updates in GSAP 2.1; here are a few highlights... Advanced staggers Advanced staggering makes it surprisingly simple to get rich, organic timing effects with very little code. Each tween's start time can be distributed according to any ease and/or based on how close each element is to a position in the list. For example, you can have things emanate outward from the "center" or a certain index. It'll even accommodate grids, complete with auto-calculated columns and rows (great for responsive layouts)! The interactive demo below explains it all visually (notice there's an embedded video explanation too): See the Pen Advanced Staggers in GSAP by GreenSock (@GreenSock) on CodePen. So setting up an advanced stagger is as simple as: TweenMax.staggerTo(".yourClass", 2, { scale:0.1, y:40, stagger:{ amount: 2, //total seconds to divide up among staggers from: "center", //or an index value. Determines where staggers originate grid:"auto", //or [columns, rows] ease: Power1.easeIn //determines spacing } }); Parts of the advanced staggering features were prompted by suggestions from GSAP users inspired by Julian Garnier's API in anime, so we tip our hat to his efforts. He's a great contributor to the animation community. MorphSVG type:"rotational" There's an entirely new type of morph that leverages rotational and length data to move anchors and control points which can deliver cleaner, more intuitive morphs. Plus it completely eliminates kinks that can occasionally creep in with linear interpolation. The video below explains. Watch the video To tap into this new style of morphing, just set the type:"rotational" TweenMax.to("#shape1", 2, { morphSVG:{ shape:"#shape2", type:"rotational" } }); Or set it as the default to affect all morphs: MorphSVGPlugin.defaultType = "rotational"; //default is "linear" Demo 1: preventing kinks See the Pen MorphSVG type:'rotational' for preventing kinks by GreenSock (@GreenSock) on CodePen. Demo 2: more natural morphs See the Pen MorphSVG type:'rotational' for more natural morphs by GreenSock (@GreenSock) on CodePen. Fixing odd results by declaring a custom origin The default origin is 50% 50% which usually works great, but sometimes the rotations around that point look odd, as shown below. In cases like this, it's best to experiment and set your own custom origin to improve things even more. We created a findMorphOrigin() utility function which is in the codepen below (and you can copy it into your own) which allows you to simply feed in a start and end shape and then it'll superimpose an origin that you can drag around and see exactly how it affects the morph! In the demo below, go into the JS panel and un-comment the findMorphIndex() line and you'll see exactly how this works. Drag the origin around and watch how it affects things. See the Pen MorphSVG: fixing origin weirdness by GreenSock (@GreenSock) on CodePen. Note: you must load Draggable for this to work. So to set a custom origin, it would look like: TweenMax.to("#shape1", 2, { morphSVG:{ shape:"#shape2", type:"rotational", origin:"20% 60%" //or to define a different origin for the start and end shapes, "20% 60%,45% 30%" } }); Is the new type:"rotational" a silver bullet for making every morph perfectly intuitive? No, but it's a great option that delivers more natural morphs in many cases. MorphSVG canvas rendering SVG is fantastic, but sometimes developers have a canvas-based project (often for rendering performance reasons). They haven't been able to leverage the intuitive morphing that MorphSVG provides in a highly-performant way...until now. The new MorphSVG plugin allows you to define a render function that'll be called every time the path updates, and it will receive two parameters: rawPath [array]: A RawPath is essentially an array containing an array for each contiguous segment with alternating x, y, x, y cubic bezier data. It's like an SVG <path> where there's one segment (array) for each "M" command; that segment (array) contains all of the cubic bezier coordinates in alternating x/y format (just like SVG path data) in raw numeric form which is nice because that way you don't have to parse a long string and convert things. For example, this SVG <path> has two separate segments because there are two "M" commands: <path d="M0,0 C10,20,15,30,5,18 M0,100 C50,120,80,110,100,100" /> So the resulting RawPath would be: [ [0, 0, 10, 20, 15, 30, 5, 18], [0, 100, 50, 120, 80, 110, 100, 100] ] For simplicity, the example above only has one cubic bezier in each segment, but there could be an unlimited quantity inside each segment. No matter what path commands are in the original <path> data string (cubic, quadratic, arc, lines, whatever), the resulting RawPath will ALWAYS be cubic beziers. target [object]: the target of the tween (usually a <path>) This means you can even render morphs to super high-performance engines like PixiJS or anything that'll allow you to draw cubic beziers! Demo: MorphSVG canvas rendering See the Pen MorphSVG canvas rendering by GreenSock (@GreenSock) on CodePen. Here's an example of a tween and a render function that'd draw the morphing shape to canvas: var canvas = document.querySelector("canvas"), ctx = canvas.getContext("2d"), vw = canvas.width = window.innerWidth, vh = canvas.height = window.innerHeight; ctx.fillStyle = "#ccc"; TweenMax.to("#hippo", 2, { morphSVG:{ shape:"#circle", render:draw } }); function draw(rawPath, target) { var l, segment, j, i; ctx.clearRect(0, 0, vw, vh); ctx.beginPath(); for (j = 0; j To set a default render method for all tweens: MorphSVGPlugin.defaultRender = yourFunction; Got questions? If you haven't checked out the forums, you're missing out! It's a great place to get your questions answered and participate in the community. We carefully monitor and answer questions there. Changelog View the full changelog here (there's a lot). Happy tweening! DOWNLOAD GSAP NOW
  6. GreenSock

    GSAP 2.0 Released

    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. We've been getting requests for better support of modern build tools. With version 2.0 we're pleased to announce a switch to ES modules via NPM which should make your building, bundling, and tree shaking even smoother. Don't worry, the UMD/CommonJS flavor is still available and the CDN serves the same browser-friendly files as always. If terms like "UMD", "ES Modules", and "tree shaking" leave you scratching your head, fear not - GSAP 2.0 will work like a champ for you (as usual). There are no syntax, API, or browser-support changes. None. The major version bump was primarily due to the switch to ES modules for NPM users, that's all. DOWNLOAD GSAP NOW NPM, ES Modules, Webpack, oh my! Modern bundlers like Webpack and Rollup just love to snack on ES modules these days, usually grabbing them from NPM. So GSAP 2.0 is extra delicious covered in its chocolatey ES module outer shell. (If you're not using a bundler or NPM, skip this section entirely) npm install gsap Then you can import individual classes like: import TweenMax from "gsap/TweenMax"; import Draggable from "gsap/Draggable"; TweenMax includes (and exports) many of the commonly-used classes so you can also do this: import { TweenMax, TimelineLite, Power2, Elastic, CSSPlugin } from "gsap/TweenMax"; (TweenMax includes TweenLite, TimelineLite, TimelineMax, CSSPlugin, RoundPropsPlugin, BezierPlugin, DirectionalRotationPlugin, AttrPlugin, and all eases except CustomEase, CustomWiggle, and CustomBounce) As a convenience, there's also an "all" file that imports/exports every GSAP tool (except members-only bonus plugins), so you can do this: import { TimelineMax, CSSPlugin, ScrollToPlugin, Draggable } from "gsap/all"; IMPORTANT: if your animations aren't working as expected, it's likely an issue with tree shaking which can be easily resolved by referencing any plugins you're using. Read more. UMD/CommonJS If your environment doesn't accommodate ES modules yet, don't worry - we've got you covered. There's a "umd" directory that contains...you guessed it...regular old ES5 UMD (Universal Module Definition) versions of the files which are compatible with pretty much everything (RequireJS, Browserify, etc.). So you could import them like: //get the UMD versions. Notice the "/umd/" in the path... import { TweenMax, Power2, TimelineLite } from "gsap/umd/TweenMax"; import ScrollToPlugin from "gsap/umd/ScrollToPlugin"; import Draggable from "gsap/umd/Draggable"; What about bonus plugins like MorphSVGPlugin? Obviously we can't distribute the members-only bonus plugins via NPM, so all you need to do is log into your GreenSock account and download the latest zip which has a "bonus-files-for-npm-users" folder with the bonus plugins. Then just plop that into your project, like maybe in your /src/ folder (or wherever) and import them directly. For example, to save some typing you could rename the "bonus-files-for-npm-users" to simply "gsap-bonus" and put that in the root of your project and then: import MorphSVGPlugin from "./gsap-bonus/MorphSVGPlugin"; import SplitText from "./gsap-bonus/SplitText"; You could certainly put the bonus files in /node_modules/gsap/ if you prefer, but most people don't like doing that because it makes things less portable/updatable. There's a brand new page in the docs dedicated to NPM usage. NEW: Custom rounding increments in RoundPropsPlugin Have you ever needed to round animated values to the nearest 10 or hundredth? With the new object syntax in RoundPropsPlugin, you can round properties to various custom increments, not just integers! Simply pass in [property]:[increment] pairs like so: TweenLite.to(element, 5, { x:600, y:100 roundProps:{ x:10, //round x to nearest increment of 10 y:0.1 //round y to nearest increment of 0.1 } }); Watch the video Demo See the Pen RoundPropsPlugin Update by GreenSock (@GreenSock) on CodePen. NEW: SplitText "specialChars" SplitText recognizes a new specialChars property that allows you to specify an array of special characters to protect. This is typically used for multi-character symbols like in some languages where there are pairs (or sometimes even 4 characters) combined to form a single character. See the Pen SplitText with specialChars feature by GreenSock (@GreenSock) on CodePen. No need to do this for most emoji's, though, because those are already supported natively in SplitText! Got questions? If you haven't checked out the forums, you're missing out! It's a great place to get your questions answered and participate in the community. We carefully monitor and answer questions there. Or feel free to contact us directly if you prefer. Changelog View the full changelog here (note: version 2.0.0 is just 1.20.5 with a version bump to avoid breaking changes for NPM users) Happy tweening! DOWNLOAD GSAP NOW
  7. GreenSock

    GSAP 1.20.0 Released

    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!
  8. 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]
  9. GreenSock

    GSAP 1.19.0 Released

    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. GSAP version 1.19.0 introduces some exciting new features for advanced users as well as conveniences for everyone (even the "greenest" novices). The most noteworthy improvements are summarized below: Function-based values Instead of a number (x:100) or string (width:"300px") or relative value (y:"+=50"), you can now define most values as a function that'll get called once for each target the first time the tween renders, and whatever is returned by that function will be used as the value. This can be very useful for randomizing things or applying conditional logic. See it in action in the demos below. See the Pen BzmGba by GreenSock (@GreenSock) on CodePen. ...and more GSAP 1.19.0 is more ES6-friendly (for example, you can npm install gsap and then import {TweenLite, Elastic, TimelineMax} from "gsap" in your project). Plenty of bug fixes too. See the whole list in the github changelog. DOWNLOAD GSAP TODAY Happy tweening!
  10. 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. The latest version of GSAP delivers some fun new features that open up entirely new animation possibilities. Check out the videos and demos below that show what's so exciting about 1.18.0. Here's a quick summary: New "cycle" property allows you to add rich variations to staggered animations Relative HSL color tweens (affect just the hue, saturation or lightness) Complex string tweening like "1px 5px rgb(255,0,0)" Numerous improvements and bug fixes (see github) New "cycle" property for staggered animations Have you ever wanted to animate a bunch of elements/targets and alternate between certain values (or even randomize them) in a staggered fashion? The new super-flexible "cycle" property does exactly that. Instead of defining a single value (like x:100, rotation:90), you can define an Array of values to cycle through (like cycle:{x:[100,-100], rotation:[30,60,90]}) or even use function-based values (like cycle:{x:function() { return Math.random() * 200; }}). The amount of functionality you can pack into a single line of code is staggering (pun intended). Demo: array-based and function-based "cycle" values See the Pen Basic staggerTo() using cycle by GreenSock (@GreenSock) on CodePen. Advanced "cycle" effects with SplitText See the Pen SplitText with stagger and cycle by GreenSock (@GreenSock) on CodePen. Caveats The cycle property is available only in the staggerTo(), staggerFrom(), and staggerFromTo() methods in TweenMax, TimelineLite and TimelineMax. When using function-based values the function will be passed an argument which represents the index of the current tween. Inside the function body, the scope (this) refers to the target of the current tween (see source of first demo above). Relative HSL color animation Have you ever wanted to tween a color to something a little darker or lighter without having to guess at cryptic hex values? How about tween a hue to 180 degrees around the color wheel? With relative HSL tweening, it's easy. You can now use familiar relative prefixes ("+=" and "-=") directly inside hsl() strings! //30% darker backgroundColor:"hsl(+=0, +=0%, -=30%)" //to grayscale (0% saturation) backgroundColor:"hsl(+=0, 0%, +=0%)" //opposite color (180 degrees around the other side of the color wheel) backgroundColor:"hsl(+=180, +=0%, +=0%)" Relative HSL demo See the Pen Relative HSL color tweening in GSAP 1.18.0 by GreenSock (@GreenSock) on CodePen. Caveats Be careful about doing relative tweens when they could be interrupted. For example, if you have a mouseover that creates tween to +=30% and then a mouseout that does -=30% and then the user rolls over/out/over/out, you'll get odd results because of the nature of relativity. For bullet-proof rollover effects with relative values check out the demo we used in the video: Hover Demo with Relative HSL Values When you tween to a saturation of 0%, that basically loses any kind of hue data - the underlying color/hue of grayscale is non-existent. So then if you try tweening back to a saturation of 80% or something, it'll be red because that's the default zero position of hue. For example, tween a blue <div> to "hsl(+=0, 0%, +=0%)" and then to "hsl(+=0, 80%, +=0%)", it'll end up red instead of blue. That's not a bug - it's just the nature of colors in the browser (they end up in the rgb color space). Tween complex string-based values Complex string-based values containing multiple numbers can be animated without any extra plugins. For example, a value like "10px 20px 50px" can be animated to "4px 13px 200px". GSAP will find each number in the strings (in order), compare them and animate the ones that changed. CSSPlugin already does this for CSS values and it even converts units, but the base engine (TweenLite) can now do basic string tweening. It will even find rgba(...) values and make sure to round them appropriately during animation. This new feature extends to AttrPlugin too which means it can animate the complex strings inside SVG element attributes like the points in a <polygon> or <polyline> or even <path> data (please carefully read the caveats below). See the Pen Complex string-based tweening: simple shape morph by GreenSock (@GreenSock) on CodePen. Caveats This feature is NOT intended to perform complex shape morphing in SVG. It simply animates the numbers inside the strings (in order). Robust shape morphing requires dynamically parsing path data and injecting extra points in certain cases. This new complex string-based tweening lays the groundwork in the core to do a lot of advanced effects in the future, especially via plugins. If you're animating the "d" attribute of a <path> element or the "points" attribute of a <polygon> or <polyline> element, keep in mind that you MUST make sure the number (and type) of points match between the starting and ending values. And since those are attributes, use the AttrPlugin (which is already inside TweenMax). Community Demos City Construction by Sarah Drasner See the Pen City Construction Site by Sarah Drasner (@sdras) on CodePen. GreenSock Cycle by Petr Tichy See the Pen GreenSock - staggerTo with cycle by GreenSock (@GreenSock) on CodePen. Special Thanks This major update is extra special as it contains features that were largely shaped by feature requests and feedback from our community. We really appreciate the strong community that we have in our forums that not only helps each other, but also helps shape the tools themselves. Extra special thanks to Elliot Geno for suggesting cycle and relative HSL tweening, Diaco for being a testing powerhouse, and everyone who voted on the API changes. Now go download GSAP 1.18.0 and make something beautiful.
  11. 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.
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