Share Posted November 22, 2017 I am using ScrollMagic with the GSAP Plugin. I am trying to reveal a line based on an animated mask that should sync to the scroll. This demo works on Desktop but not on iOS: I am not sure if this is an ios, svg, scrollmagic or gsap bug. Any help is appreciated! See the Pen aVGwEw by paul-siteway (@paul-siteway) on CodePen Link to comment Share on other sites More sharing options...
Share Posted November 23, 2017 Hi and welcome to the GreenSock forums. Thanks for the demo. I don't have an iOS11 device handy but I would suggest you reduce the demo even more. Just try to set the height on that element without GSAP and see if it works like: maskPath = $('#path-1'); maskPath.attr("height", "1280") I know it some cases it is recommended not to animate things in <defs> tags as some browsers don't update changes, not sure of the particulars. My hunch this is a bug on the browser side and not GSAP. Someone else may have some more insight. 1 Link to comment Share on other sites More sharing options...
Share Posted November 23, 2017 Yep, I think Carl is right about it being very risky to animate things in <defs>, especially for masking. I'd strongly recommend avoiding that. It's not a GSAP thing - it's just a browser rendering thing unfortunately. Wish I had better news for you. 1 Link to comment Share on other sites More sharing options...
Share Posted November 24, 2017 I've experienced the same issue you have right now. but it only happens when I create SVG in HTML document. (Like copy paste SVG from illustrator or svgomg, and also coding SVG data by hand without concerning browser compatibility ) I know its kind of wired. but to solve my problem I used SnapSVG plugin to create and animate SVG element with GSAP. specially masking and clipping related animations. and it can handle browser compatibility pretty well. but like @Carl sed before try to avoid <defs> data animation as much as possible. this might not be the correct solution but I suggest you to give it a try and see. but for me, the SnapSVG plugin work well with every desktop and mobile browsers. 1 Link to comment Share on other sites More sharing options...
Author Share Posted November 24, 2017 Hello @Carl, Hello @Jack, Hey @Yashi-2 Manual animation (click the button in the CodePen demo) works. It just does not work synced to the scroll. I will try a workaround the <defs> Animation. Will post an Update here. Link to comment Share on other sites More sharing options...
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