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bigmamainthemud

GSAP and -webkit-mask-position

By bigmamainthemud, in GSAP. Views: 4,535

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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 Some information, especially the syntax, may be out of date for GSAP 3.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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Posted

Hey all,

 

I've been messing with masking to get a shine effect on buttons when mouseover takes place but I can't seem to get GSAP to affect "-webkit-mask-position".

I want to give up a code pen but that wold require a bunch of time which I don't have tonight. Just wondering if anyone has successfully used this before.

 

Thanks!

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Posted

I've never seen that used, sorry. That property doesn't even seem to work in Chrome (unrelated to GSAP). Firefox was okay, though, at least in the demo I saw here: https://developer.mozilla.org/en-US/docs/Web/CSS/mask-position. If you need some help, we'd be happy to take a peek at a codepen demo (perhaps you could just fork the one from that URL?) It'd help to see what kind of values you're trying to apply/animate. It's probably possible using an onUpdate or Modifier or string tween.  

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Posted

Thanks for getting back to me, Jack. Actually the mask is rendering fine but I can't move the mask as I would like from JS. I want to put up a Codepen but right now I am under the gun for EOD so I'll have to approach this later tonight or sometime next week. Thanks for getting back to me though - I will post asap.

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Posted

MouseOver this and hold. You will see the -webkit-mask-position animate. I have not been able to do this with GSAP but I would really like to be able to.

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Posted

Do you mean like this?: 

See the Pen RyXNjR?editors=0010 by GreenSock (@GreenSock) on CodePen

 

There are actually a bunch of ways to accomplish it with GSAP. This is probably the easiest. 

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Posted

Duuuuuuude hahaha. Yes. Now I am wondering why I wasn't able to make that happen. Hmmm. If I figure out what was breaking it for me I'll chime in. Thanks a ton! GSAP 4EVAH! ;)

 

B

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Posted

So "Webkit" can be both capitalized and lower case, eh? That's unusual. Why is that?

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Posted

You'd have to ask the Webkit people. My understanding is that it's technically supposed to be uppercase. :)

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Posted

OK thanks. I have used both now and they are both working so that's good. Thanks!

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