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Scrolltrigger + timeline is causing staggered/one-by-one animations

Levin Riegner test
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Go to solution Solved by Levin Riegner,

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When creating a timeline for parallax images on scroll, my images only animate on-by-one rather than all at the same time.

This is my code:

    useLayoutEffect(() => {
        const ctx = gsap.context(() => {
            const tl = gsap.timeline({
                scrollTrigger: {
                    pin: true,
                    trigger: main.current,
                    start: 'bottom bottom',
                    end: 'bottom top',
                    scrub: 1,
                    markers: true
                }
            });

            tl.fromTo(parallaxImage1.current, {
                filter: 'blur(12px)',
                y: '100%'
            }, {
                filter: 'blur(0px)',
                y: '-100%'
            });

            tl.fromTo(parallaxImage2.current, {
                filter: 'blur(12px)',
                y: '100%'
            }, {
                filter: 'blur(0px)',
                y: '-100%'
            });

            tl.fromTo(parallaxImage3.current, {
                filter: 'blur(12px)',
                y: '100%'
            }, {
                filter: 'blur(0px)',
                y: '-100%'
            });

            tl.fromTo(parallaxImage4.current, {
                filter: 'blur(12px)',
                y: '100%'
            }, {
                filter: 'blur(0px)',
                y: '-100%'
            });

            tl.fromTo(parallaxImage5.current, {
                filter: 'blur(12px)',
                y: '100%'
            }, {
                filter: 'blur(0px)',
                y: '-100%'
            });

            tl.fromTo(parallaxImage6.current, {
                filter: 'blur(12px)',
                y: '100%'
            }, {
                filter: 'blur(0px)',
                y: '-100%'
            });

            tl.fromTo(parallaxImage7.current, {
                filter: 'blur(12px)',
                y: '100%'
            }, {
                filter: 'blur(0px)',
                y: '-100%'
            });
        }, main);

        return () => ctx.revert();
    }, []);

What am I doing wrong?

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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

 

If you're using something like React/Next/Vue/Nuxt or some other framework, you may find StackBlitz easier to use. We have a series of collections with different templates for you to get started on these different frameworks: React/Next/Vue/Nuxt.

 

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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  • Solution

It seems i was missing the timing function at the very end:
Old Code:

tl.fromTo(parallaxImage7.current, {
  filter: 'blur(12px)',
  y: '100%'
}, {
  filter: 'blur(0px)',
  y: '-100%'
});



New Code:

tl.fromTo(parallaxImage7.current, {
  filter: 'blur(12px)',
  y: '100%'
}, {
  filter: 'blur(0px)',
  y: '-100%'
}, 0);

 

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@Levin Riegner nice you've should your own problem! Did you know you can also feed a GSAP tween an array? Because all your tweens have the same values.

 

 tl.fromTo([parallaxImage1.current, parallaxImage2.current, ..., parallaxImage123.current], {
   filter: 'blur(12px)',
   y: '100%'
 }, {
   filter: 'blur(0px)',
   y: '-100%'
 });

 

And when working with percentages it's better to you yPercent: 100 or yPercent: -100. Hope it helps and happy tweening! 

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