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k1ngy.eth

How to play two timelines at the same time, even if one is pinned.

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How can I get these animations to start at the same time?

const tl1 = gsap.timeline({
                        scrollTrigger: {
                            trigger: '.sky-container',
                            end: '+=' + window.innerHeight / 3,
                            scrub: 0.5,
                            pin: true
                        }
                    });
                    const tl2 = gsap.timeline({
                        scrollTrigger: {
                            trigger: '.sky-container',
                            end: '+=' + window.innerHeight / 3,
                            scrub: 0.5
                        }
                    });
                    tl1.to(year1, { opacity: 1, transform: 'translateX(0)' })
                        .to(year2, { opacity: 1, transform: 'translateX(0)' })
                        .to(year3, { opacity: 1, transform: 'translateX(0)' })
                        .to(year4, { opacity: 1, transform: 'translateX(0)' })
                        .to(year5, { opacity: 1, transform: 'translateX(0)' })
                        .to(year6, { opacity: 1, transform: 'translateX(0)' });
                    tl2.to(circle1, {
                        opacity: 1,
                        height: 40,
                        width: 40,
                        top: 0,
                        left: 0,
                        ease: 'none'
                    })
                        .to(line1, { opacity: 1, width: '130' })
                        .to(circle2, {
                            opacity: 1,
                            height: 40,
                            width: 40,
                            top: 0,
                            left: 0,
                            delay: -0.3
                        })

 

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It's pretty tough to troubleshoot without a minimal demo - the issue could be caused by CSS, markup, a third party library, your browser, an external script that's totally unrelated to GSAP, etc. Would you please provide a very simple CodePen or CodeSandbox that demonstrates the issue? 

 

Please don't include your whole project. Just some colored <div> elements and the GSAP code is best (avoid frameworks if possible). See if you can recreate the issue with as few dependancies as possible. If not, incrementally add code bit by bit until it breaks. Usually people solve their own issues during this process! If not, then at least we have a reduced test case which greatly increases your chances of getting a relevant answer.

 

Here's a starter CodePen that loads all the plugins. Just click "fork" at the bottom right and make your minimal demo

See the Pen aYYOdN by GreenSock (@GreenSock) on CodePen

 

Once we see an isolated demo, we'll do our best to jump in and help with your GSAP-specific questions. 

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Do you mind me asking why you don't just combine them into one timeline? That'd be simpler and cleaner. 

 

You neglected to define a start for either ScrollTrigger, so it's using the defaults. The standard default is "top bottom" EXCEPT if it has a pin defined in which case it defaults to "top top" because it'd be pretty silly to pin something when the top hits the bottom of the viewport. 

 

So just define the start on both so they match. 

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