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Clip-path not animated smoothly

AlexanderGS
Moderator Tag

Go to solution Solved by Cassie,

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Posted

good evening!
This may seem like a silly question, but I don't understand why the clip-path isn't animated smoothly

See the Pen VwBdzZY by Alexxxsander (@Alexxxsander) on CodePen.

  • Solution
Posted

Hi there!

 

Just some numbers that GSAP is struggling to tween between.

If you make them all percentages it works fine. It's hard for GSAP to animate between 0 and 100% as they're different units.

 

timeline.fromTo(
  ".home__text span",
  {
    y: 30,
    clipPath: "polygon(100% 100%, 0% 100%, 0% 100%, 100% 100%)"
  },
  {
    y: 0,
    clipPath: "polygon(100% 100%, 0% 100%, 0% 0%, 100% 0%)",
    duration: 0.8,
    stagger: 0.2,
  }
);

 

  • Like 2
  • 1 month later...
hinderwhack
Posted

My question may seem inane, but I've always wondered why the clip-path wasn't animated in a more fluid fashion. Changing them all to percentages solves the problem. As 0 and 100% are in different units, animating between them is challenging with GSAP.

 

 

phrazle

Posted

@hinderwhack yeah, that's because it's just animating a complex string which involves isolating the numbers in each string (the beginning and ending one), and then interpolating those. So the first number in the starting string gets matched with the first number in the ending string, and so on. Otherwise, it would take a LOT more custom code to try to parse and convert every possible unit at every position, thus the GSAP core would grow. Everyone would pay the kb price for a feature that almost nobody would use. In the vast majority of cases, it's quite simple to just format the start/end strings properly to get the result you want (match units). ?

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