We’ve styled the frame with border and a bit of padding, and the bar with background color, which renders like so: Let’s create a loading bar with an empty frame that fills as data loads: It won’t actually be monitoring the loading progress, but rather serve as a transition between two blocks of content. To change where a transformation originates from, you, of course, need a transform to work with. In this chapter, we’ll be doing just that as you learn the ins and outs of the transform-origin property. Or move it to the corner and allow it to swing: That means you can move the origin to the top and scale an object downwards: This allows you to move that anchor point wherever you’d like, and have your transformations originate from there. Thankfully, CSS also gives you the transform-origin property. The sticking point with transform is that, by default, all of its operations originate from the center of the element, so whenever you scale something, you’re scaling it outward:Īnd whenever you rotate something, you’re spinning it:Īnd sometimes that’s fine. “After searching around the web for alternatives, I found GreenSock to be the most performant.With transform and its arsenal of functions, you have the Swiss Army Knife of CSS animation in your toolbox: so there’s nothing you can’t do.After all these years, and impressive competitors, it's still Best In “No other animation library is as intuitive, rigorous, conceptually simple and well curated as GreenSock’s.” “Any time I've struggled to achieve a complex animation in CSS alone, I've never regretted using 's GSAP.“I think I love GreenSock as much as bacon.”.“The best thing about GSAP is that it just works, and it works well.“GreenSock is the best thing that happened to SVG animations since SVG animations.”.“Aside from GreenSock’s laser-focused attention to detail, GSAP is fast, reliable, flexible, exceptional value (read: free in most cases) and, very importantly, supported.”.See the Pen MWpBzJe by bananafarma00 ( on CodePen (It is going to be a google banner so assuming that most people will see it like this, on a 'first load' basis, if that makes sense) But I don't think it's an issue of GSAP.js not loading quickly enough, as the animation starts with the image transformed, which is done via gsap code? (uses a 'from' tween which always shows up immediately). > EDIT2: seems to be some sort of caching issue? Happens with devtools open or in new incognito window. ** EDIT: I have seen the issue happen on codepen if I open it in a window and refresh it enough times it is also in the timeline 'defaults'.Ĭan anyone shed some light on what is going on and how I can make sure the transform origin never changes? Is this a bug or does it make sense somehow? So the transform-origin should always be 50% 50%, but it quickly flips to '275px 0' before swapping back, this causes the image to jump around. I even added a 'set' to the start of the code, and also added it into the tween itself. The codepen version for some reason does not have the issue(?) ** But it happens on my local machine and also on the server here > I recreated a super simplified version showing the issue. I'm having a very confusing issue with an animation I'm doing, where the transform-origin seems to (sometimes) quickly flip to a value I have not defined anywhere.
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