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Hello Gsap community, i'm trying to create a Website, where when I scroll through it, the Time of the Video which is permanently in the Background is connected to the Scroll. While i'am scrolling and passing certain points in the Video, different HTML Elements should appear / disappear. So for example from Second 2-6 from the video i want to display elements which explain this part of the video and so on. The Elements should not be pinned tho, because the Video itself has a scroll through like effect aswell. I unfortunatly don't have any working prototype.
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Hello everyone, since a few months I've been working on a wordpress website (with oxygen builder) hosted on digital ocean. Recently I added page transitions thanks to Barbajs and with GSAP I have a swipe up effect. On chrome I have no problem but on Safari the site is slow to load, I don't know if it's the videos that are slow or the GSAP or barba js. The website is currently protected on a private server I can't give you access but here is a piece of my js that calls barba and gsap : function video_text_animation() { let tl = gsap.timeline(); if (tl.scrollTrigger) { tl.scrollTrigger.kill(); } //////// Video Header title ////////////// var childSplit = new SplitText(".bloc_header--header", {type:"lines", linesClass: "bloc_header--header-child"}); var parentSplit = new SplitText(".bloc_header--header", { type: "lines", linesClass: "bloc_header--header-parent"}); var w = window.innerWidth; var size = w > 1366 ? "big" : "small"; if (size === "big") { tl = gsap.timeline(); tl.addLabel("animateVideo").from(childSplit.lines, { duration: 0.5, yPercent: 100, ease: "power4", stagger: 0.1 }); } return tl; } function animation_scroll_text() { gsap.registerPlugin(ScrollTrigger); let tl = gsap.timeline(); if (tl.scrollTrigger) { tl.scrollTrigger.kill(); } //////// Diptyque title ////////////// new SplitText(".dyptique__card-heading--title", {type:"lines", linesClass: "dyptique__card-heading--title-child"}); new SplitText(".dyptique__card-heading--title", {type:"lines", linesClass: "dyptique__card-heading--title-parent"}); var w = window.innerWidth; var size = w > 1366 ? "big" : "small"; if (size === "big") { gsap.utils.toArray(".dyptique__card-heading--title").forEach((section, i) => { tl = gsap.timeline({ scrollTrigger: { id: "trigger2", start: "center 80%", trigger: section, toggleActions: "play pause pause pause", }, }); tl.addLabel("animateDiptyque").from(section.querySelectorAll(".dyptique__card-heading--title-child"), { duration: 0.5, yPercent: 100, ease: "power4", stagger: 0.1 }); }); } //////// Content title ////////////// new SplitText(".bloc_contents--title", {type:"lines", linesClass: "bloc_contents--title-child"}); new SplitText(".bloc_contents--title", {type:"lines", linesClass: "bloc_contents--title-parent"}); if (size === "big") { gsap.utils.toArray(".bloc_contents--title").forEach((section, i) => { tl = gsap.timeline({ scrollTrigger: { id: "trigger3", start: "center 80%", trigger: section, toggleActions: "play pause pause pause", }, }); tl.addLabel("animateTitle").from(section.querySelectorAll(".bloc_contents--title-child"), { duration: 0.5, yPercent: 100, ease: "power4", stagger: 0.1 }); }); } return tl; } function add_scripts() { jQuery(document).ready(function ($) { "use strict"; $('head').append('<link href="https://wordpress-364904-1405009.cloudwaysapps.com/accueil/?xlink=css&ver=5.4.2" rel="stylesheet" type="text/css">'); $('head').append('<link href="https://wordpress-364904-1405009.cloudwaysapps.com/le-mag/?xlink=css&ver=5.4.2" rel="stylesheet" type="text/css">'); $('.center-title').attr({'data-aos-enable': 'true','data-aos': 'fade','data-aos-delay': '1',}); $('.title-anim').attr({'data-aos-enable': 'true','data-aos': 'slide-up','data-aos-anchor-placement': 'top-bottom','data-aos-easing': 'ease','data-aos-duration': '400','data-aos-offset': '50',}); $('.center-title2').attr({'data-aos-enable': 'true','data-aos': 'fade','data-aos-delay': '1',}); $('.title-anim-02').attr({'data-aos-enable': 'true','data-aos': 'fade',}); $('.diptyque__card').attr({'data-aos-enable': 'true','data-aos': 'fade','data-aos-anchor-placement': 'center-bottom',}); $('.bloc_contents--text').attr({'data-aos-enable': 'true','data-aos': 'fade','data-aos-delay': '200',}); $('.quadriptyque__card_1').attr({'data-aos-enable': 'true','data-aos': 'fade','data-aos-anchor-placement': 'center-bottom',}); $('.quadriptyque__card_2').attr({'data-aos-enable': 'true','data-aos': 'fade','data-aos-delay': '400','data-aos-anchor-placement': 'center-bottom',}); $('.quadriptyque__card_3').attr({'data-aos-enable': 'true','data-aos': 'fade','data-aos-anchor-placement': 'center-bottom',}); $('.quadriptyque__card_4').attr({'data-aos-enable': 'true','data-aos': 'fade','data-aos-delay': '400','data-aos-anchor-placement': 'center-bottom',}); $('.quadriptyque__card--image').attr({'data-aos-enable': 'true','data-aos': 'fade','data-aos-once': 'true',}); $('.triptyque__card_2').attr({'data-aos-enable': 'true','data-aos': 'fade','data-aos-anchor-placement': 'center-bottom','data-aos-delay': '200',}); $('.triptyque__card_3').attr({'data-aos-enable': 'true','data-aos-anchor-placement': 'center-bottom','data-aos-delay': '400','data-aos': 'fade',}); $('.triptyque__card').attr({'data-aos-enable': 'true','data-aos': 'fade','data-aos-anchor-placement': 'center-bottom',}); $('.diptyque__card2').attr({'data-aos-enable': 'true','data-aos': 'fade','data-aos-delay': '400','data-aos-anchor-placement': 'center-bottom',}); $('body').addClass('oxygen-aos-enabled'); }); AOS.init({}); window.dispatchEvent(new Event('resize')); } function delay(n) { n = n || 2000; return new Promise((done) => { setTimeout(() => { done(); }, n); }); } // Preload Animation function pageTransition_init() { var tl = gsap.timeline(); tl.set(".footer-main", {display: "none"}); tl.set(".logo-img-pre", {y:100}); tl.set(".loading-screen", {bottom: "-100%", opacity: 1}); tl.to(".loading-screen", {duration: 1.7, height: "100%", bottom: "0%", ease: "Expo.easeInOut",}); tl.to("#video_home_top video", {duration: 0, display: "block"}); tl.to(".header-main", {duration: 0, display: "block"}); tl.to(".footer-main", {duration: 0, display: "block"}); tl.to(".logo-img-pre", {duration: 0.7, delay:-0.7 , y:0, opacity:1, ease:"power4",}); tl.to(".loading-screen", {duration: 1, delay:1, height: "100%", bottom: "100%", ease: "power4",}); tl.to(".logo-img-pre", {duration: 0.3, delay:-1, opacity: 0, display:"none"}); return tl; } // Transition Functions function pageTransition() { var tl = gsap.timeline(); tl.set(".loading-screen", {bottom: "-100%", opacity: 1}); tl.to(".loading-screen", {duration: 1.2, height: "100%", bottom: "0%", ease: "Expo.easeInOut",}); tl.to(".loading-screen", {duration: 1, height: "100%", bottom: "100%", ease: "Expo.easeInOut",}); return tl; } function load_video() { const list_videos = document.getElementsByTagName("video"); for (var i = 0; i < list_videos.length; i++) { list_videos[i].load(); console.log(list_videos[i].readyState); } } jQuery(document).ready(function ($) { "use strict"; jQuery('html, body').animate({scrollTop:0}); var masterTimeline = new gsap.timeline(); masterTimeline .add(pageTransition_init()) .add(video_text_animation(), "-=1"); $(function () { barba.init({ sync: true, transitions: [ { async leave(data) { const done = this.async(); pageTransition(); await delay(1000); done(); } , enter(data) { jQuery('html, body').animate({scrollTop:0}); load_video(); var tl = gsap.timeline(); tl.set("#video_home_top video", {duration: 0, display: "block"}); tl.to(".header-main", {duration: 0, display: "block"}); tl.to(".footer-main", {duration: 0, display: "block"}); } }, ], views: [{ namespace: 'index', beforeEnter(data) { document.body.classList.add("oxy-overlay-header"); add_scripts(); switch_footer(); animation_scroll_text(); video_animation(); }, } }); }); });
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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. There are some interesting (and surprising) performance implications of using CSS animations that aren't widely known. I stumbled across a few of them while running tests for a customer in the advertising industry who is pushing to have GSAP adopted as the standard, so I recorded a screencast explaining what I found. I figured it was worth sharing: Summary Timeline recordings in Chrome Dev Tools don't show the overhead involved with CSS animation of transforms, so people often misinterpret the [lack of] data. Recordings look "clean" with CSS and "dirty" with JS which leads to faulty conclusions about performance. CSS animations of transforms used twice as much CPU compared to JS according to Chrome's task manager. CSS animations caused the main thread to bog down more than using JavaScript animations. User interaction is typically handled on the main thread, making things feel sluggish to the user. It is especially costly if you animate transforms along with almost any other property at the same time. Webkit browsers have synchronization problems. JavaScript was faster than CSS animations on every device that I ran this test on – the only exception was animating transforms in Webkit browsers (and then there's that heavy cost on the main thread and sync problems). In order to independently control the timing/easing of transform components (rotation, scale, skew, position) in CSS, you must create a DOM node for each which negatively impacts performance. With JavaScript, no such workarounds are necessary. (see note below) I love Dev Tools - I'm not knocking it at all. These things are just tough to measure. Do your own tests! Don't put too much faith in Dev Tools or my tests. Use your eyes because ultimately perception is what matters to end users. Smooth movement and responsive UI are both important. Links Raw Codepen test Google's Paul Lewis addresses CSS vs. JS Animations A great article about hardware accelerated CSS by Ariya Hidayat Why GSAP? - a practical developer's guide UPDATE: After recording the video, I did some more tests that showed that one of the biggest contributors to the slowdowns in the pure CSS version was the fact that multiple elements had to be nested in order to accomplish the independent transform component controls. In other words, staggering the start/end times (or easing) of rotation, scale, and position is practically impossible in pure CSS unless you nest things like that, but there's a relatively significant performance tradeoff. When nesting could be avoided, pure CSS animation of only transforms did appear smoother on webkit browsers under heavy pressure and it was basically indistinguishable from optimized JS animations under all other levels of pressure. -
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. -
The ease-y way to find the perfect ease Easing allows us to add personality and intrigue to our animations. It's the magic behind animation, and a mastery of easing is essential for any skilled animator. Use this tool to play around and understand how various eases "feel". Some eases have special configuration options that open up a world of possibilities. If you need more specifics, head over to the docs. Notice that you can click the underlined words in the code sample at the bottom to make changes. Quick Video Tour of the Ease Visualizer Take your animations to the next level with CustomEase CustomEase frees you from the limitations of canned easing options; create literally any easing curve imaginable by simply drawing it in the Ease Visualizer or by copying/pasting an SVG path. Zero limitations. Use as many control points as you want. CustomEase is NOT in the public downloads. To get access, create a FREE GreenSock account. Once you're logged in, download the zip file from your account dashboard (or anywhere else on the site that has a download button). Club GreenSock members even get access to a private NPM repo to make installation easier in Node environments.- 4 comments
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