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the little details™ Use trigonometric functions in CSS to create a smooth staggered transition delay 🎬 .character { transition-delay: calc(sin((var(--index) / 12) * 45deg) * 0.475s); }

539,647 Aufrufe • vor 2 Jahren •via X (Twitter)

10 Kommentare

Profilbild von jhey ▲🐻🎈
jhey ▲🐻🎈vor 2 Jahren

Here's the @CodePen link if you want to check it out! 🤙 Thrown together in some React for convenience 🤓 Should extract into a <CodeReveal/> component 💯🧱

Profilbild von Charlotte 🦄🧚‍♀️
Charlotte 🦄🧚‍♀️vor 2 Jahren

I'm going to just secretly put this into the app I'm working on and see if they notice 😄

Profilbild von jhey ▲🐻🎈
jhey ▲🐻🎈vor 2 Jahren

Put it in the footer, no one looks there 👀😅

Profilbild von Gabe
Gabevor 2 Jahren

Yeah, how do you get the —index variable? Thats the true magic here i cannot fanthom… cuz normally that would all be part of a javascript loop

Profilbild von jhey ▲🐻🎈
jhey ▲🐻🎈vor 2 Jahren

Style it inline on the HTML <span class="digit" style="--index: 0;">1</span> <span class="digit" style="--index: 1;">9</span>

Profilbild von Charles Anim
Charles Animvor 2 Jahren

Show us the code

Profilbild von We Buy Once
We Buy Oncevor 2 Jahren

Amazing stuff!

Profilbild von Roxana Muntian
Roxana Muntianvor 2 Jahren

Those animations are so cool! At some point, it almost felt like the eye blinked. 😊 I might add this animation to the app that I am working on. It's the next level for CSS!

Profilbild von SM Irving
SM Irvingvor 2 Jahren

Very smooth! I wrote something similar in Sass as a function that lets you call a bunch of different CSS custom timing-functions from different keywords, Penner equations and Trig stuff. This makes me want to modify or write a separate function that returns calc equations instead

Profilbild von Fonzy
Fonzyvor 2 Jahren

goated animations

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jhey ʕ•ᴥ•ʔ

542,234 Aufrufe • vor 2 Jahren

CSS Trick 🧲 You can create magnetic links with the power of custom properties and some JavaScript 💪 a { translate: calc(clamp(-1, var(--x), 1) * var(--pad-x)) ...; transition: translate var(--s, 1s) var(--ease, var(--elastic)); } a:hover { --s: 0s; } The trick here is to pad out the list items wrapping your links and use that as a translation limit 🛑 Start by using some JavaScript to calculate a value between -1 and 1 for both the x/y axis on pointermove for each list item, not the link! 🔗 If your pointer was at the center of the item, you'd get [0,0]. If it was in the top right, you'd get [1,-1] ☝️ It's worth checking out the JavaScript snippet to see how the mapping function works. Essentially, you create a function that when given a value between two bounds, will give you a mapped value back 🤙 const mapX = mapRange( item.offsetWidth * -0.5, item.offsetWidth * 0.5, 1, -1 ) Then, on pointermove, you plug the pointer position in to get the value back out and pass that into your CSS const x = mapX(item.centerX - event.x) document​.documentElement​.style.setProperty(--x, x) When the pointer leaves the list item, you make sure to reset these values back to 0 ✨ Once CSS has your values, it's the trick of updating the translation of each part You know that in each axis, you only want to translate the link by the padding amount li a { translate: calc(clamp(-1, var(--x), 1) * var(--pad-x)) calc(clamp(-1, var(--y), 1) * var(--pad-y)); transition: translate var(--speed, 1s) var(--ease, var(--elastic)); } This will translate the link within the list item by the desired amount. The cool part here is that you can set an offset for the text inside the link and have that move at a different rate ⭐️ By only updating the --pad-x/y custom properties for the inside the link, you can control how much it moves nav a span { --pad-x: 0.25rem; --pad-y: 0.25rem; } And the last piece, how do you update the behavior for transition speeds? And so it springs back like that? Again, use custom properties ✨ a:hover { --s: 0s; } a { transition: translate var(--s, 1s) var(--ease, var(--elastic)); } By default, a link will use --elastic easing via linear() and have a transition-duration of 1s. When a link is hovered that speed becomes 0s because you want the link to magnetise to your pointer. How about that little gap between when your pointer enters the item but hasn't hovered the link? Set a different transition so it transitions to being hovered 🫶 nav li:hover a { --ease: ease-out; --speed: 0.1s; } That's kinda it! 🙌 Use JavaScript (~40 loc) to get the information and then let CSS do all the lifting for you 💪 Any questions or suggestions, let me know 🙏 If you want a walkthrough video, also let me know please 🙏 CodePen.IO link below 👇

jhey ʕ•ᴥ•ʔ

164,863 Aufrufe • vor 2 Jahren

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jhey ʕ•ᴥ•ʔ

575,563 Aufrufe • vor 2 Jahren