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  1. GreenSock

    Flip Plugin

    The Flip Plugin seamlessly animates between states dynamically with minimal code. The video explains more... VIDEO All you need to do is get the initial state using Flip.getState(targets), make whatever changes you'd like to the DOM or styling, and then call Flip.from(state). GSAP handles the rest! Of course like all GreenSock tools, there's a rich API for finessing things and getting exactly the look you want. "FLIP" is an animation technique that stands for "First", "Last", "Invert", "Play" and was coined by Paul Lewis. Here's a demo of how it works: See the Pen How GSAP's Flip Plugin Works by GreenSock ( @GreenSock) on CodePen. Feature highlights Nested transforms? No problem! Most FLIP libraries only calculate basic offsets assuming no transforms beyond x/y, so a scaled parent breaks things. Rotations certainly aren't allowed. GSAP's Flip plugin just works. Set absolute: true to make elements use position: absolute during the flip. This solves layout challenges with things like flexbox and grid. One flip can handle multiple elements and even stagger them. Resize via width/height properties (default) or scaleX/scaleY (scale: true) You get the full power of GSAP under the hood, so you can use any ease, define special properties like onComplete, onUpdate, repeat, yoyo, and even add() other animations with total control of timing, etc. Apply a CSS class during the flip with toggleClass. It'll be removed at the end of the flip. Flip.fit() repositions/resizes one element to fit perfectly on top another (or even a previous state of the same element). It's as easy as Flip.fit(".box1", ".box2"). Add tween properties to make it animate over time, likeFlip.fit(".box1", ".box2", {duration: 1, ease: "power2.inOut", absolute: true}). Compensate for nested offsets, like if a container element is getting flipped along with some of its children and you don't want the offsets to compound (nested: true) Smoothly handles interruptions. Flip one element to another and have them cross-fade (fade: true). For example, a thumbnail image flips to the full-resolution, full-screen image that's a different element completely, but the user just sees the thumbnail seamlessly transition into the full-screen one. Simply set the same data-flip-id attribute on both to match them up. onEnter and onLeave callbacks for when elements enter or leave (like if the flip senses a display: none toggle and there's no matching target to swap), making it easy to elegantly animate on/off elements. Simple example See the Pen FLIP swap element positions by GreenSock ( @GreenSock) on CodePen. Flex example See the Pen Flipping Flexbox by GreenSock ( @GreenSock) on CodePen. Advanced example See the Pen Grid item view with FLIP plugin by GreenSock ( @GreenSock) on CodePen. Learn and see more Want to learn more? the Flip docs are the best place to go. View the Flip showcase View all of the Flip how-to demos Get your hands on the FlipPlugin The FlipPlugin is a bonus plugin for Club GreenSock members ("Shockingly Green" and "Business Green" levels). It's our way of showing our gratitude to those who are fueling innovation at GreenSock. To download the FlipPlugin, just log into your account dashboard and grab the latest version of GSAP. Don't have Club GreenSock? Try the FlipPlugin for free on CodePen! There's a special but fully-functional version of the FlipPluginthat we link to in our demos in our FlipPlugin Collection on CodePen, so feel free to fork any of them and take the FlipPlugin for a spin. Note: the special version of the plugin will only work on the CodePen domain. To find out more about the many benefits of being a Club GreenSock member swing on by the club page and be sure to check out the other premium plugins.
  2. When a web page loads, it tries to display the content as soon as possible. Usually it does this by loading the elements into the DOM and styling them with your CSS and then rendering. But what if some of your initial styles are set with JavaScript, particularly a JavaScript animation? We can fix this flash of unstyled content (FOUC) visual bug by applying visibility: hidden; to our elements and then use GSAP's autoAlpha property to animate in our content once JavaScript has detected that the page has loaded. autoAlpha affects our element's opacity and visibility, changing it to visible when the opacity is greater than 0. To understand this more deeply, check out this video from the "GSAP 3 Express" course by Snorkl.tv - one of the best ways to learn the basics of GSAP 3. Watch the video
  3. GSAP 3 is the most significant upgrade we have ever had. With 50+ new features, there's a lot to be excited about, but to keep this post manageable, we’ll cover only 5. You might also be interested in the GSAP 3 highlights video. See the release notes for all the juicy details. 1. Half the size of the old TweenMax! No kidding! GSAP retains almost all of its old functionality while adding 50+ features. We’ve learned a lot over the years and hopefully that shows. The core has been completely rebuilt from the ground up as modern ES modules. 2. Simplified API No more “Lite” and “Max” flavors. TweenMax, TweenLite, TimelineLite, and TimelineMax have all been consolidated into a single "gsap" object. So simple! For example: //simple tween like the old TweenMax.to(...) gsap.to(".class", {duration:2, x:100}); //create a timeline and add a tween var tl = gsap.timeline(); tl.to(".class", {duration:2, x:100}); Internally, there's one "Tween" class (replaces TweenLite/TweenMax) and one "Timeline" class (replaces TimelineLite/TimelineMax), and both have all of the features like repeat, yoyo, etc. When you call one of the gsap methods like .to(), .from(), etc., it returns an instance of the appropriate class with easily chainable methods. Duration is now defined in the vars object. This allows several benefits such as: Improved readability It fits much better with keyframes It allows default durations to be inherited (more on that below) You can use function-based values //OLD - duration was 2nd parameter TweenMax.to(".class", 1, {x:100}); //NEW - duration is now a property of the vars object gsap.to(".class", {duration:1, x:100}); All tweens are now stagger-able. There’s no need for the old staggerTo(), staggerFrom(), or staggerFromTo() methods because you can add staggers to regular tweens: //simple stagger gsap.to(".class", { x: "+=100", duration: 1, stagger: 0.5 //space each element's animation out by 0.5 seconds }); //advanced stagger gsap.to(".class", { x: "+=100", duration: 1, stagger: { amount: 2, from: "center", grid: "auto", onComplete: myFunction //define callbacks inside the stagger to make them apply to each sub-tween } }); See the Pen GSAP 3.0 Stagger demo by GreenSock (@GreenSock) on CodePen. For more information about GSAP’s advanced stagger functionality, see this codepen. New, more compact ease format. less typing, more readable, and zero import hassles. Here's the new convention for all of the standard eases: //old way Elastic.easeOut Elastic.easeIn Elastic.easeInOut Elastic.easeOut.config(1, 0.5) SteppedEase.config(5) //new way "elastic" //same as "elastic.out" "elastic.in" "elastic.inOut" "elastic(1, 0.5)" //same as "elastic.out(1, 0.5)" "steps(5)" Backwards compatible The new GSAP even adjusts itself to accommodate the old syntax! There's technically no more TweenMax, TweenLite, TimelineLite, or TimelineMax, but they're all aliased so that the vast majority of legacy code still works, untouched! You don't have to rewrite all your code for GSAP 3, but we'd recommend shifting to the new, more concise syntax for all your new projects. 3. Inheritance/Defaults You don't have to keep setting the same ease over and over again...or duration...or whatever. Just set defaults on the parent timeline and let them be inherited by all its children! For example this repetitive code can be shortened, saving you time. //old way, without timeline defaults var tl = new TimelineMax(); tl.to(obj1, 2, {ease: Power2.easeInOut, rotation: -180}) .to(obj2, 2, {ease: Power2.easeInOut, rotation: -360}) .to(obj3, 2, {ease: Power2.easeInOut, rotation: -180}); //new way, with timeline defaults var tl = gsap.timeline({defaults:{ease: "power2.inOut", duration: 2}}); tl.to(obj1, {rotation: -180}) //child tweens will inherit the duration and from the parent timeline! .to(obj2, {rotation: -360}) .to(obj1, {rotation: -180}); See the Pen GSAP 3.0 Cube Walk by Pete Barr (@petebarr) on CodePen. Any defaults you set this way will get pushed into every child tween - it’s not limited to a certain subset of properties. This can really save you some typing! Inherited defaults are easily overwritten anytime a property is declared on a child. 4. All new MotionPathPlugin The new MotionPathPlugin makes it very easy to move any element along an SVG <path>! For more information about the MotionPathPlugin, check out its documentation and the video below. See the Pen GSAP 3.0 Stagger demo by GreenSock (@GreenSock) on CodePen. Club GreenSock members also get access to the new MotionPathHelper utility that lets you EDIT the motion path interactively in the browser. It’s never been so easy to move elements along a path! 5. New utility methods GSAP 3 exposes some surprisingly useful utility methods that might save you time and hassle. Need values to snap to the closest one in an array? Use gsap.utils.snap(). Tired of trying to figure out how to pull a random element out of an array? Let gsap.utils.random() do it for you. Want to distribute any value among an array of elements, complete with easing? It’s a piece of cake with gsap.utils.distribute(). Here’s how to use the gsap.utils.interpolate() method: //numbers let value = gsap.utils.interpolate(0, 100, 0.5); // 50 //strings let value = gsap.utils.interpolate("20px", "40px", 0.5); // 30px //colors let value = gsap.utils.interpolate("red", "blue", 0.5); // rgba(128,0,128,1) //objects let value = gsap.utils.interpolate({a:0, b:10, c:"red"}, {a:100, b:20, c:"blue"}, 0.5); // {a: 50, b: 15, c: "rgba(128,0,128,1)"} There's also an explainer video about how to use it. Using GSAP's built in utility functions can make complex code simple. Check out the video below to learn more and see an example: For a full list of the utility functions, some demos, and how to use them, check out the docs. There's waaaaay more... We've only scratched the surface of all the improvements in GSAP 3. Check out the release notes for a full list of the features and changes. There's also an updated getting started page. Ready to play? GSAP 3 Starter Pen (a CodePen template that already has the GSAP 3 files loaded. Fork away and have a blast!) This pen allows you to copy the resource URLs easily. Or download the files to use locally. Using a build tool? npm install gsap will get you the files. If you're a Club GreenSock user, there's a gsap-bonus.tgz tarball file in the local download above that you can simply drop into your project's folder and then npm install ./gsap-bonus.tgz and BOOM, it'll be installed just like any other package! See the installation docs for more information. Questions? Bugs? Hit us up in the forums or contact us directly. We'd love to hear what you think of GSAP 3. Happy tweening!
  4. The GreenSock Animation Platform (GSAP) animates anything JavaScript can touch (CSS properties, SVG, React, canvas, generic objects, whatever) and solves countless browser inconsistencies, all with blazing speed (up to 20x faster than jQuery). See why GSAP is used by over 8,500,000 sites and many major brands. Hang in there through the learning curve and you'll discover how fun animating with code can be. We promise it's worth your time. Quick links Loading GSAP Tweening Basics CSSPlugin 2D and 3D transforms Easing Staggers Callbacks Sequencing with Timelines Timeline control Getter / Setter methods Club GreenSock We'll cover the most popular features here but keep the GSAP docs handy for all the details. First, let's talk about what GSAP actually does... GSAP is a property manipulator Animation ultimately boils down to changing property values many times per second, making something appear to move, fade, spin, etc. GSAP snags a starting value, an ending value and then interpolates between them 60 times per second. For example, changing the x coordinate of an object from 0 to 1000 over the course of 1 second makes it move quickly to the right. Gradually changing opacity from 1 to 0 makes an element fade out. Your job as an animator is to decide which properties to change, how quickly, and the motion's style (known as easing - we'll get to that later). To be technically accurate, we could have named GSAP the "GreenSock Property Manipulator" (GSPM) but that doesn't have the same ring. DOM, SVG, <canvas>, and beyond GSAP doesn't have a pre-defined list of properties it can handle. It's super flexible, adjusting to almost anything you throw at it. GSAP can animate all of the following: CSS: 2D and 3D transforms, colors, width, opacity, border-radius, margin, and almost every CSS value. SVG attributes: viewBox, width, height, fill, stroke, cx, r, opacity, etc. Plugins like MorphSVG and DrawSVG can be used for advanced effects. Any numeric value For example, an object that gets rendered to an <canvas>. Animate the camera position in a 3D scene or filter values. GSAP is often used with Three.js and Pixi.js. Once you learn the basic syntax you'll be able to use GSAP anywhere that JavaScript runs. This guide will focus on the most popular use case: animating CSS properties of DOM elements. (Note: if you're using React, read this too.) If you're using any of the following frameworks, these articles may help: React Vue Angular What is GSAP Exactly? GSAP is a suite of tools for scripted animation. It includes: The GSAP core - The lightweight core of the engine which animates any property of any object. It makes use of tweens and to give you more control over your animations. Extras like time-saving plugins, easing tools, utility functions, and more. Loading GSAP Downloading GSAP
  5. Hi guys! I'm learning GSAP a few months, with the help of community, this is my first work using GSAP, in progress yet. Thanks all for help! And i have another question, about page transitions, shared element transitions between pages. See website reference at link: https://alfacharlie.co/ See the effect of transitions between pages, the softness the animations. I used the barba.js in html + css and it worked, but not working fine in wordpress, someone to help me achieve page transitions in wordpress site?
  6. Hello, I went through greensock forum to find solution for smooth scrolling, and it was mostly Blake's codepen solution which pretty much worked as I want, however I was wondering would they work with scrollmagic? What exactly I mean is, I want to trigger gsap animations on element when they scroll into view, and for this I use scrollmagic. I was wondering if there will be problem with this since I read somewhere that this is just transform (which I saw with inspect element), and since it's not "real scroll" scrollmagic wont read it and trigger it when it should? This are Blake's codepens with smooth scrolling: https://codepen.io/osublake/pen/QqPqbN https://codepen.io/osublake/pen/ee9e27534440ef6ee1c2e2fdfd6c7e68 Thanks in advance
  7. I am newbie to GSAP and wonder why my menu animates just ones. I would be grateful if you helped to fix the code. Thanks a lot.
  8. Hello, I am discovering GSAP and I did an exercice with TweenMax, And I don't understand why I have to write : TweenMax.set('....', {transformPerspective: xxx}); If I write the same thing with TweenMax.to and it don't works ... Can someone tell me when we have to use the 1st one and the 2nd one ?
  9. Sceik

    Nine Flipcards

    Hey there master-tweeners, So for an online portfolio I'm creating I wanted to add a container with ''things I'm good at''. I wanted to make it out of 9 flipcards with an image or logo on the front, and a small text on the back. Onclick they're supposed to flip around and stay that way untill clicked again. Now so far I've come across two methods to achieve this, but both come with some complications. The first method On first glance it looks like it does exactly what I want. The animation is smooth and steady. The problem though is when you click on the (first) card twice in a row, the second animation starts halfway through the first animation disaligning the starting position. (Bad explanation, try it yourself in the codepen lol) The second method This is much less Tweening which is nice because I have to do it for nine cards, but there's something I want, but cant get with this method. I really like the way the cards bounce with the bounce ease when they flip. Since this method uses a reverse, the bounce reverses too which looks weird, obviously. Just get to the point already I guess my questions are the following, - Is there a way to fix the problem in the first method? - Is there a way to fix the problem in the second method? - Most importantly, what method do you guys recommend? - What's the most efficient way to get this to work on nine cards, without copy-pasting the whole thing nine times? Thanks in advance ? Codepens used in the process (the one on the bottom is mine): https://codepen.io/rhernando/pen/vjGxH https://codepen.io/chrisgannon/pen/JtljL
  10. Hello I am trying to animate numbers which I will get from an API while rendering it into viewport. I have tried to do so but in my case all the instance of numbers are getting updated but I want each number should be updated upto the value I have got from API. How can I achieve this? Here is what I have tried. https://codepen.io/patrickjane/pen/agNePM Thank You!
  11. Hi, I'm looking for a GSAP developer who could create a full screen interactive module as illustrated in the attached video clip. The site is already in development but we need help with this more advanced module that will be embedded in the home page hero banner. Experience required: - GSAP - Preloader animation with progress bar - Video controlling (play, pause, etc) - SVG animation It would need to be completed in approximately 3 weeks time. All assets, including images, SVGs and video clips would be supplied. Please watch through the short video example of what we are after and if you feel this is something you could develop for us please contact me as soon as possible to arrange a Skype chat. Note: there are two sides "Precision" and "Unleashed". Clicking on each word expands the relevant side and plays the video. Please also ignore the logo in top right, the button in bottom center, as well as the mail icon in bottom right. If you have any questions please comment below. Looking forward to working with one of you geniuses Thanks, Andy
  12. I have divided my home page into 4 divs with the class of ".div-pics". And my goal is everytime you hover on one of them a description appears /with the class of ".div-desc". The animation happens through Greensock TimelineLite and the initial position of the description divs is "top: 100%". The code I currently have works, but not with the desired effect. Right now once you hover any of the divs (.div-pics), all description divs (.div-desc) will appear. Instead I would like only the hovered div's description to come on screen, but I don't know how to target it. ! I have divided my home page into 4 divs with the class of ".div-pics". And my goal is everytime you hover on one of them a description appears /with the class of ".div-desc". The animation happens through Greensock TimelineLite and the initial position of the description divs is "top: 100%". The code I currently have works, but not with the desired effect. Right now once you hover any of the divs (.div-pics), all description divs (.div-desc) will appear. Instead I would like only the hovered div's description to come on screen, but I don't know how to target it. <div id="home-about" class="div-pics div-left"> <h1 class="div-title">About</h1> <div class="div-desc dl"> <div class="div-arrow"> <div class="arrow-part arrow-top"></div> <div class="arrow-part arrow-bottom"></div> </div> <p class="div-text dt-left"> Lorem ipsum ... </p> <li class="div-link"><a href="#">Order parts</a></li> </div> </div> function loopDivs() { divArray.forEach(div => { div.addEventListener("mouseover", showDetails); function showDetails() { tlDetails = new TimelineLite(); tlDetails .to(".div-desc", 0.5, { top: "0%" }); } }); } event.target - instead of ".div-desc" won't work since in my case I can't hover the .div-desc, because it is sent all the way down and it's invisible. My idea is to hover its parent and then it would appear. Thanks in advance!
  13. 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. You may be surprised by how much work GSAP does under the hood to make animating transforms intuitive and performant. This video explains the top 10 reasons you should be using GSAP to animate transform-related values like scale, rotation, x, y, etc. Watch the video Independent control of each component (x, y, scaleX, scaleY, rotation, etc.) Physics-based animations and dragging, plus advanced easing like Elastic and Bounce Snap to any increment or set of values Query values anytime with _gsTransform Relative values ("+=" and "-=") Directional rotation (clockwise, counter-clockwise, or shortest) Two different skew types ("compensated" and "simple") Consistency across browsers, especially with SVG Animate along a path Sequencing and on-the-fly controls All of these features are baked into CSSPlugin (which is included inside TweenMax). See the docs for more information. Happy tweening!
  14. Hey everyone, I have been reading this forum for a long time but this is my first post/question as i have come across a dilemma. Hope you're all doing well. I wanted to include my JS code in the codepen but it's a big crazy mess. As you guys can see in my codepen i have a section in the project I'm building which on large screens has 2 rows with 3 boxes in each row and on small screens 1 column with all boxes stacked on top of each other. What i want to accomplish is really simple, i just want each box to fade in from the bottom-up as it comes in view. The reason I say each box is because my priority is more on the small screens with 1 column, I'm willing to compromise for large screens and what i mean by compromise is that i don't mind if the whole row animates together as it comes in view and then followed by the next row. I kind of achieved this in a very unusual way with code that is terribly wrong, and i looked at plenty of scrollmagic and GSAP examples including in this forum but i didn't come across any solutions. I would really appreciate any help in how i can achieve this. Thank you.
  15. Hi there, I'm having an issue with GSAP creating lots of detached DOM items in chrome when a parent div is deleted during a tween, despite attempting to stop the tweens. When I do this using just JQuery and not include the GSAP plugin, no detached items remain. To view detached items in chrome I use the following under "Discover detached DOM tree memory leaks with Heap Snapshots": https://developers.google.com/web/tools/chrome-devtools/memory-problems/ Code is below, you'll need jQuery, GSAP, Tween Max and one image. 1) Check for detached items in chrome (you'll see a few that GSAP etc. has by default) 2) Click "Start Tween", the during the 10 second tween click "Stop Tween and Remove Div" 3) Re-check for detached items in chrome. You'll see more have been created. (i.e. not removed by the tween stop). Any help would be greatly appreciated, have switched GSAP for jQuery off in my code for the time being. <!DOCTYPE html> <html> <head> <title>Tween Test</title> <script src="../jquery-3.0.0.min.js"></script> <script src="../greensock-js/src/minified/jquery.gsap.min.js"></script> <script src="../greensock-js/src/minified/TweenMax.min.js"></script> <script> function TweenMe() { jQuery("#innerDiv").animate({ opacity: '0' }, 10000); } function StopTween() { jQuery("#innerDiv").stop(true, false); jQuery("#outerDiv").remove(); } </script> </head> <body> <button onclick="TweenMe();">Start Tween</button> <br /> <br /> <button onclick="StopTween();">Stop Tween and Remove Div</button> <br /> <br /> <div id="outerDiv"> <div id="innerDiv"> <img src="../media/img/red_square.jpg" id="imgMain" style="position:absolute;" /> </div> </div> </body> jquery.gsap.min.js jquery-3.0.0.min.js TweenMax.min.js
  16. I was making an animation using GSAP and SVG. I am new to GSAP so i don't know that if there is another way to do this animation with GSAP. If there is any better way to do this please suggest me. I would be thankful for good suggestions. Edited : it has issue when user scroll very quickly many parts of bulb doesn't appear properly and also some issues when user scroll upside. (Give suggestion to fix it)
  17. 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. With some animation engines it can be frustrating trying to get something to rotate in a specific direction. With GSAP you can explicitly set the direction or let GSAP figure out the shortest distance. Watch the video Interactive demo See the Pen DirectionalRotation Visualizer by GreenSock (@GreenSock) on CodePen. Check out the DirectionalRotation Plugin docs for more info.
  18. I put the following CDN code in my HTML file and then executed TimelineLite function in javascript. <html> <script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/2.1.2/TweenLite.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/2.1.2/TimelineMax.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/2.1.2/easing/EasePack.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/2.1.2/plugins/CSSPlugin.min.js"></script> <My javascript code> start = ()=> { let loader = document.getElementById('loading'), loadContents = document.getElementsByClassName('loading_content'), tlLoader = new TimelineMax(); // Loader Timeline tlLoader .staggerFromTo(loadContents, 0.3, {y:0, autoAlpha: 0}, {y:20, autoAlpha: 1, ease:Back.easeInOut}, 0.05 ) .fromTo(loader,0.3, {autoAlpha: 1, scale: 1.3}, {autoAlpha: 0, scale: 1, ease:Power0.easeNone}, 0.9 ); } start(); Then... the following error appeared in Console. Why is this happening? I guess I add the CDN code incorrectly, so I change to another CDN <script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/2.1.2/TweenMax.min.js"></script> and tried to use changed TimelineMax to TimelineLite in my javascript code. but this problem is still happening now. plz.. help me
  19. 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. MorphSVG's default settings typically deliver beautiful results but sometimes you may need to tweak things to get a certain effect or avoid weird transitional states or kinks. This video explains advanced features of MorphSVGPlugin that give you plenty of flexibility. Watch the video For more information and plenty of interactive demos, check out the MorphSVG docs. Happy tweening!
  20. Note: This page was created for GSAP version 2. We have since released GSAP 3 with many improvements. This includes replacing accessing _gsTransform with gsap.getProperty(). Please see the GSAP 3 release notes for details. Have you ever wondered how to get the position, rotation or other transform-related properties that were animated with GSAP? It's actually quite simple: they're all neatly organized and updated in the _gsTransform object which GSAP attaches directly to the target element! Watch the video Let's set the rotation of the logo to 20 degrees. var logo = document.querySelector("#logo"); TweenMax.set(logo, {rotation:20}); GSAP applies that rotation via an inline style using a transform matrix (2d or 3d). If you were to inspect the element after the rotation was set you would see: <img style="transform: matrix(0.93969, 0.34202, -0.34202, 0.93969, 0, 0);" id="logo" src="..." > Not many humans would be able to discern the rotation from those values. Don't worry - the _gsTransform object has all the discrete values in human-readable form! console.log(logo._gsTransform); The console will show you an Object with the following properties and values: Object { force3D: "auto", perspective: 0, rotation: 20, rotationX: 0, rotationY: 0, scaleX: 1, scaleY: 1, scaleZ: 1, skewType: "compensated", skewX: 0, skewY: 0, svg: false, x: 0, xOffset: 0, xPercent: 0, y: 0, yOffset: 0, yPercent: 0, z: 0, zOrigin: 0 } To grab the rotation of the logo you would simply use: logo._gsTransform.rotation Click "Edit on CodePen" and open the console to see how it works See the Pen _gsTransform demo by GreenSock (@GreenSock) on CodePen. Get transform values during an animation Use an onUpdate callback to read the values during an animation: var logo = document.querySelector("#logo"); var output = document.querySelector("#output"); TweenMax.to(logo, 4, {rotationY:360, x:600, transformPerspective:800, transformOrigin:"50% 50%", onUpdate:showValues, ease:Linear.easeNone}); function showValues() { output.innerHTML = "x: " + parseInt(logo._gsTransform.x) + " rotation: " + parseInt(logo._gsTransform.rotationY); //you can also target the element being tweened using this.target //console.log(this.target.x); } The demo below illustrates how to read transform values during an animation. See the Pen _gsTransform demo: animation by GreenSock (@GreenSock) on CodePen. We strongly recommend always setting transform data through GSAP for optimized for performance (GSAP can cache values). Unfortunately, the browser doesn't always make it clear how certain values should be applied. Browsers report computed values as matrices which contain ambiguous rotational/scale data; the matrix for 90 and 450 degrees is the same and a rotation of 180 degrees has the same matrix as a scaleX of -1 (there are many examples). However, when you set the values directly through GSAP, it's crystal clear. Happy tweening!
  21. Hi all. Please, help me. Why does circle clip path on image working wrong in my pen in firefox browser? My animation begin from circle(0% at 0% 50%) to circle(150% at 0% 50%), but in firefox it has value clip-path: inset(150px at 0% 50%). Why it happened? Thank you for answers
  22. Hi GSAPpers! First post in the forum... I code mainly html and css (and some -little- jQuery) and now I'm learning GSAP and "modern" vanilla JS since two week ago. Today I'm testing GSAP combined with Scrollmagic. I'm trying to apply the same scene (a simple TweenMax with a fade in from the bottom) to all the elements of the page with the class "fadeInBottom". I can do it with this jQuery: let controller = new ScrollMagic.Controller(); $('.fadeInBottom').each(function () { // build a tween let fadeInBottom = TweenMax.from($(this), 1, { y: 100, opacity: 0 }); // build a scene let scene = new ScrollMagic.Scene({ triggerElement: this, offset: -200, reverse: false }) .setTween(fadeInBottom) .addTo(controller) }); Now i'm trying to do the same in plain vanilla JS: let controller = new ScrollMagic.Controller(); // FadeInBottom let fadeElem = Array.prototype.slice.call(document.querySelectorAll(".fadeInBottom")); let self = this; fadeElem.forEach(function(self) { // build a tween let fadeInBottom = TweenMax.from(self, 1.5, { y: 100, opacity: 0 }); // build a scene let scene = new ScrollMagic.Scene({ triggerElement: self, offset: -200, reverse: false }) .setTween(fadeInBottom) .addTo(controller) }) But it just doesn't work. And the console says Uncaught ReferenceError: controller is not defined at index.html: ".addTo(controller)" at Array.forEach (<anonymous>) at index.html:861 "fadeElem.forEach(function(self) {" Any help would be appreciated. Thank you!
  23. Hi there, First post here! I'm working on a React/Gatsby app which references this tutorial. I've solved most of the issues except for the following error: TypeError: Cannot read property 'easeOut' of undefined I've tried a bunch of variations of imports destructuring etc but Quad is never defined. My code is as follows: import React, { Component } from "react" import Layout from "../components/layout" import SEO from "../components/seo" import { TweenMax, Quad, Sine, Back } from "gsap/TweenMax" const prettyLetter = require( 'pretty-letters' ) export default class IndexPage extends Component { componentDidMount() { var options = { groupClass: 'char-group-', groupTag: 'span' } prettyLetter('a', options) const lineEq = (y2, y1, x2, x1, currentVal) => { // y = mx + b var m = (y2 - y1) / (x2 - x1), b = y1 - m * x1 return m * currentVal + b } const lerp = (a,b,n) => (1 - n) * a + n * b const distance = (x1,x2,y1,y2) => { var a = x1 - x2 var b = y1 - y2 return Math.hypot(a,b) } const getMousePos = (e) => { let posx = 0 let posy = 0 if (!e) e = window.event if (e.pageX || e.pageY) { posx = e.pageX posy = e.pageY } else if (e.clientX || e.clientY) { posx = e.clientX + document.body.scrollLeft + document.documentElement.scrollLeft posy = e.clientY + document.body.scrollTop + document.documentElement.scrollTop } return { x : posx, y : posy } } let winsize; const calcWinsize = () => winsize = {width: window.innerWidth, height: window.innerHeight} calcWinsize() window.addEventListener('resize', calcWinsize) // The feDisplacementMap element const feDisplacementMapEl = document.querySelector('feDisplacementMap') class Menu { constructor() { this.DOM = { svg: document.querySelector('svg.distort'), menu: document.querySelector('nav.menu') } // The images (one per menu link) this.DOM.imgs = Array.from(Object.assign.apply(Object, [this.DOM.svg.querySelectorAll('g > image')])) // The menu links this.DOM.menuLinks = Array.from(Object.assign.apply(Object, [this.DOM.menu.querySelectorAll('.menu__link')])) // Mouse position this.mousePos = {x: winsize.width/2, y: winsize.height/2} // Last mouse positions (one to consider for the image translation movement, another for the scale value of the feDisplacementMap element) this.lastMousePos = { translation: {x: winsize.width/2, y: winsize.height/2}, displacement: {x: 0, y: 0} } // feDisplacementMap scale value this.dmScale = 0 // Current menu link position this.current = -1 this.initEvents() requestAnimationFrame(() => this.render()) } initEvents() { // Update mouse position window.addEventListener('mousemove', ev => this.mousePos = getMousePos(ev)) this.DOM.menuLinks.forEach((item, pos) => { const letters = Array.from(Object.assign.apply(Object, [item.querySelectorAll('span')])) const mouseenterFn = () => { // Hide the previous menu image if (this.current !== -1) { TweenMax.set(this.DOM.imgs[this.current], { opacity: 0 }); } // Update current this.current = pos // Now fade in the new image if we are entering the menu or just set the new image's opacity to 1 if switching between menu items if (this.fade) { TweenMax.to(this.DOM.imgs[this.current], 0.5, { ease: Quad.easeOut, opacity: 1 }) this.fade = false } else { TweenMax.set(this.DOM.imgs[this.current], { opacity: 1 }) } // Letters effect TweenMax.staggerTo(letters, 0.2, { ease: Sine.easeInOut, y: this.lastMousePos.translation.y < this.mousePos.y ? 30 : -30, startAt: {opacity: 1, y: 0}, opacity: 0, yoyo: true, yoyoEase: Back.easeOut, repeat: 1, stagger: { grid: [1,letters.length-1], from: 'center', amount: 0.12 } }) } item.addEventListener('mouseenter', mouseenterFn) }) const mousemenuenterFn = () => this.fade = true const mousemenuleaveFn = () => TweenMax.to(this.DOM.imgs[this.current], .2, { ease: Quad.easeOut, opacity: 0 }) this.DOM.menu.addEventListener('mouseenter', mousemenuenterFn) this.DOM.menu.addEventListener('mouseleave', mousemenuleaveFn) } render() { // Translate the image on mousemove this.lastMousePos.translation.x = lerp(this.lastMousePos.translation.x, this.mousePos.x, 0.2) this.lastMousePos.translation.y = lerp(this.lastMousePos.translation.y, this.mousePos.y, 0.2) this.DOM.svg.style.transform = `translateX(${(this.lastMousePos.translation.x-winsize.width/2)}px) translateY(${this.lastMousePos.translation.y-winsize.height/2}px)` // Scale goes from 0 to 50 for mouseDistance values between 0 to 140 this.lastMousePos.displacement.x = lerp(this.lastMousePos.displacement.x, this.mousePos.x, 0.1) this.lastMousePos.displacement.y = lerp(this.lastMousePos.displacement.y, this.mousePos.y, 0.1) const mouseDistance = distance(this.lastMousePos.displacement.x, this.mousePos.x, this.lastMousePos.displacement.y, this.mousePos.y) this.dmScale = Math.min(lineEq(50, 0, 140, 0, mouseDistance), 50) feDisplacementMapEl.scale.baseVal = this.dmScale requestAnimationFrame(() => this.render()) } } new Menu() } render() { return ( <Layout> <SEO title="Home" keywords={[`Artist`, `Brisbane-based`, `drawing`, `painting`, `watercolour`, `sculpture`, `installation`, `video`, `embroidery`]} /> <div style={{ paddingBottom: 100 }}> <svg className="distort" width="350" height="450" viewBox="0 0 350 450"> <filter id="distortionFilter"> <feTurbulence type="turbulence" baseFrequency="0.07 0.01" numOctaves="5" seed="2" stitchTiles="stitch" x="0%" y="0%" width="100%" height="100%" result="noise"/> <feDisplacementMap in="SourceGraphic" in2="noise" scale="0" xChannelSelector="R" yChannelSelector="B" x="0%" y="0%" width="100%" height="100%" filterUnits="userSpaceOnUse"/> </filter> <g filter="url(#distortionFilter)"> <image className="distort__img" x="50" y="50" xlinkHref={require('../images/1.jpg')} height="350" width="250"/> <image className="distort__img" x="50" y="50" xlinkHref={require('../images/2.jpg')} height="350" width="250"/> </g> </svg> <nav className="menu"> <a href="#" className="menu__link">Shanghai</a> <a href="#" className="menu__link">Taipei</a> <a href="#" className="menu__link">Bangkok</a> <a href="#" className="menu__link">Kyoto</a> </nav> </div> </Layout> ) } }
  24. Im quite new to GSAP and currently working on a project. I found this slider here online: https://codepen.io/gvrban/pen/qjbpaa and modifyed it to fit my needs. You can find a it on codepen: https://codepen.io/anon/pen/KEYRBY (its ripped out of my project and anonymized so don't wonder for the look) Only problem is, if I resize the page, the slider is of and I have to do a reload of the page to get it fitting again. I understand that it is cause of the calculated variables (which are off after a resize). Is there an easy way to make it responsive or do I have to recalculate it with a window.resize? Thanks in advance.
  25. I've prepared animations for two objects in js, how should i set up the TimeLine so that it executes flipCards() function after let's say 2 seconds from window load? Additionaly it would be nice if I could adjust delays between animations of each object.
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