Help create an effect of text growing and the background on it becoming the background of the page

February 4

Hello,
I'm trying to create a text effect whose background is a video, and when scrolling down the text grows until it becomes the new screen with the video,
I will share the code. I succeeded in the effect I want, which is simply that the text grows and you get the new background.

https://codesandbox.io/p/sandbox/new

Gaming.jsx Gaming.scss

February 4

Without a minimal demo, it's very difficult to troubleshoot; the issue could be caused by CSS, markup, a third party library, a 3rd party script, etc. Would you please provide a very simple CodePen or Stackblitz that illustrates the issue?

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

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

that loads all the plugins. Just click "fork" at the bottom right and make your minimal demo:

Using a framework/library like React, Vue, Next, etc.?

CodePen isn't always ideal for these tools, so here are some Stackblitz starter templates that you can fork and import the gsap-trial NPM package for using any of the bonus plugins:

Please share the StackBlitz link directly to the file in question (where you've put the GSAP code) so we don't need to hunt through all the files.

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

February 4

Hi there! I see you're using React -

Proper cleanup is very important with frameworks, but especially with React. React 18 runs in strict mode locally by default which causes your useEffect() and useLayoutEffect() to get called TWICE.

Since GSAP 3.12, we have the useGSAP() hook (the NPM package is here) that simplifies creating and cleaning up animations in React (including Next, Remix, etc). It's a drop-in replacement for useEffect()/useLayoutEffect(). All the GSAP-related objects (animations, ScrollTriggers, etc.) created while the function executes get collected and then reverted when the hook gets torn down.

Here is how it works:

const container = useRef(); // the root level element of your component (for scoping selector text which is optional)

useGSAP(() => {
  // gsap code here...
}, { dependencies: [endX], scope: container }); // config object offers maximum flexibility

Or if you prefer, you can use the same method signature as useEffect():

useGSAP(() => {
  // gsap code here...
}, [endX]); // simple dependency Array setup like useEffect()

This pattern follows React's best practices.

We strongly recommend reading the React guide we've put together at https://gsap.com/resources/React/

If you still need help, here's a React starter template that you can fork to create a minimal demo illustrating whatever issue you're running into. Post a link to your fork back here and we'd be happy to take a peek and answer any GSAP-related questions you have. Just use simple colored <div> elements in your demo; no need to recreate your whole project with client artwork, etc. The simpler the better.

February 4

thanks u for answers,

I changed the code to use with useGsp

Currently the animation grows with scrolling down, but I want the animation to grow so that the video behind is the next background. Which will be 100vh screen size

https://codesandbox.io/p/devbox/7969wq?migrateFrom=hrzhd5

Also how do I change the background from white to var i try but than the effect cancel?

Thank u.

February 4

Hi,

Sorry but your demo is not working:

Please try to create a minimal demo in Stackblitz or make sure that the link you post works as expected.

February 5

https://stackblitz.com/edit/react-lcctdker?file=src%2FGaming.scss

may be this work:

https://stackblitz.com/edit/react-lcctdker?file=src%2FGaming.scss

February 5

Maybe the link will work and just in case I write the code here

import React, { useEffect, useRef } from "react";

import { gsap } from "gsap";

import { ScrollTrigger } from "gsap/ScrollTrigger";

import "./Gaming.scss"; // ייבוא קובץ ה-SASS

import video from "../../../assets/videos/hero-1.mp4";

gsap.registerPlugin(ScrollTrigger); // רישום ScrollTrigger ב-GSAP

const Gaming = () => {

const svgRef = useRef(null); // הפניה ל-SVG

useEffect(() => {

gsap.to(svgRef.current, {

scale: 10, // מגדיל את ה-SVG עד פי 10

ease: "power1.out", // אנימציה חלקה

scrollTrigger: {

trigger: svgRef.current, // מפעיל את האנימציה כשה-SVG נכנס למסך

start: "top bottom", // מתחיל את האנימציה כשמגיעים לאמצע המסך

end: "bottom top", // מסיים כשהגלילה מסתיימת

scrub: 2, // הופך את האנימציה לחלקה לפי הגלילה

}

});

}, []);

return (

{/* ווידאו כרקע */}

</video>

</div>

{/* טקסט עם אפקט SVG */}

<svg

ref={svgRef} // חיבור ל-GSAP

className="gaming-svg"

width="100%"

height="100%"

viewBox="0 0 800 400"

>

<defs>

<text

x="50%"

y="50%"

dominantBaseline="middle"

textAnchor="middle"

fill="black"

fontSize="100"

fontWeight="bold"

>

I LOVE SVG!

</text>

</mask>

</defs>

</svg>

</div>

);

};

export default Gaming;

.gaming-wrapper {

position: relative;

height: 200vh; // יצירת גלילה ארוכה

overflow: hidden;

}

/* ווידאו כרקע */

.video-background {

position: absolute;

top: 0;

left: 0;

width: 100%;

height: 100%;

z-index: -1;

}

.video-background video {

width: 100%;

height: 100%;

object-fit: cover;

}

/* הרקע החדש שמופיע אחרי הגלילה */

.background-new {

position: absolute;

top: 0;

left: 0;

width: 100%;

height: 100%;

background: linear-gradient(135deg, #1a1a1a, #333333); // צבע רקע חדש

opacity: 0; // ברירת מחדל - מוסתר

transition: opacity 1.5s ease-in-out;

z-index: -1; // נמוך יותר מהטקסט כדי לא להפריע

}

.gaming-container {

height: 100vh;

display: flex;

justify-content: center;

align-items: center;

position: relative;

overflow: hidden;

}

/* ווידאו כרקע */

.video-background {

position: absolute;

top: 0;

left: 0;

width: 100%;

height: 100%;

z-index: -1; // מבטיח שהוידאו יהיה ברקע

}

.video-background video {

width: 100%;

height: 100%;

object-fit: cover; // מבטיח שהוידאו ימלא את כל המסך

}

/* טקסט עם אפקט */

.gaming-svg {

position: relative;

width: 100%;

height: 100%;

}

February 5

Hi,

There were several issues in your demo, first you were importing a video file that is not there, so that throws an error. You weren't using our useGSAP hook neither, is better to rely on our hook rather than useEffect, in order to not have to worry about cleanup and simplify other things such scoping.

Here is a fork of your demo

https://stackblitz.com/edit/react-boxhdx5x?file=src%2FApp.jsx

Also you can have a look at this thread as well:

Finally maybe you could use MorphSVG in order to morph the text or a single letter from a Path into using the entire SVG canvas:

https://gsap.com/docs/v3/Plugins/MorphSVGPlugin

Hopefully this helps

Happy Tweening!

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Help create an effect of text growing and the background on it becoming the background of the page

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