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Convert CSS keyframes animation to GSAP-JS

Praney Behl test
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Warning: Please note

This thread was started before GSAP 3 was released. Some information, especially the syntax, may be out of date for GSAP 3. Please see the GSAP 3 migration guide and release notes for more information about how to update the code to GSAP 3's syntax. 

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Hi there,

 

I am trying to implement some CSS keyframe animation to GSAP. Here is the keyframe animation:

@keyframes flyanimation {
  0% {
    opacity: 0;
    transform-origin: 0 100%;
    transform: scale(0, 0) rotate(360deg) translateY(-100%);
  }

  30% {
    transform-origin: 0 100%;
    transform: scale(0, 0) rotate(360deg) translateY(-100%);
  }

  100% {
    opacity: 1;
    transform-origin: 100% 100%;
    transform: scale(1, 1) rotate(0deg) translateY(0%);
  }
}

I am trying to figure out if there is a way to do it with the GSAP .fromTo() method or similar, if it is possible.

 

Any help will be greatly appreciated. 

 

Thanks,

Praney

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Hello Praney Behl,

 

Do you mean something like this:

See the Pen ovslz by jonathan (@jonathan) on CodePen

 

I'm not sure what your original CSS keyframe animation looks like but..

TweenMax.fromTo($("#box"), 2, 
                {
                  autoAlpha:0,
                  transformOrigin: "0 100%", 
                  scale:0, 
                  rotation:360,
                  y: "-100%"
                }, 
                {
                  autoAlpha:1,
                  transformOrigin: "100% 100%", 
                  scale:1, 
                  rotation:0,
                  y: "0%"
                }
);

:)

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It does look pretty close.. its hard for me to see the difference.

 

You can also feed GSAP the full transform property:

TweenMax.fromTo($("#box"), 2, 
      {
       autoAlpha:0,
       transformOrigin: "0 100%", 
       "transform": "scale(0, 0) rotate(360deg) translateY(-100%)"
      }, 
      {
       autoAlpha:1,
       transformOrigin: "100% 100%", 
       "transform": "scale(1, 1) rotate(0deg) translateY(0%)";
      }
);

And you can also pass force3D: true to use hardware acceleration for smoother animations.

 

:)

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