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52 comments

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Mithaldu
On my machine the animation never plays in Opera 12, and in Chrome and Firefox the black color is never applied.
na85
In Chrome on my machine, the black colour is not applied also.

Furthermore if I middleclick to open a new tab, the animation does not play.

S4M
"server not found".

I don't know if HN crashed the server or if there is some irony involved.

jerrysievert
not working in Safari with Yosemite.
catkin
Works fine for me with the same setup (Safari 8 on Yosemite).
sergiosgc
The current link does not work for me (Firefox 36.0a1 on Debian). The correct content seems to be here: http://connor-personal.herokuapp.com/walkway

Why doesn't it work? I imagine it's this funky DNS config:

  sergio@sergio-laptop:~ > dig www.connoratherton.com

  ;; QUESTION SECTION:
  ;www.connoratherton.com.		IN	A

  ;; ANSWER SECTION:
  www.connoratherton.com.	3529	IN	CNAME	http://connor-personal.herokuapp.com.
  http://connor-personal.herokuapp.com. 229 IN CNAME us-east-1-a.route.herokuapp.com.
  us-east-1-a.route.herokuapp.com. 55 IN	A	50.19.235.218
This is not valid CNAME content. Does this work on some browsers???
connoratherton
Switched to Google domains a few days ago, still configuring it properly. Thanks for letting me know about the link, looking into it.
zyxley
Trying to configure DNS settings for herokuapp.com isn't going to work, given that it isn't, you know, actually your domain to configure.

What you should have is something like

  connoratherton.com     A     54.221.226.116
  www.connoratherton.com CNAME connor-personal.herokuapp.com
Alternately, if your domain registrar supports ANAME or ALIAS, you should have, respectively,

  connoratherton.com     ANAME connor-personal.herokuapp.com
  www.connoratherton.com CNAME connor-personal.herokuapp.com
or

  connoratherton.com     ALIAS connor-personal.herokuapp.com
  www.connoratherton.com CNAME connor-personal.herokuapp.com
Sir_Cmpwn
I bet you could do this pretty effectively with GitHub pages instead of a full blown Heroku app.
Zaheer
Do you happen to have any extra invites for Google domains?
Zaheer
Got one. Thank you to the folks on HN :)
ecesena
I do if still needed, drop me a line (email in profile)
erex78
How would somebody do this w/ D3? Are there any similar bl.ocks that anybody knows about?
RBerenguel
Since you can write more or less, arbitrary "tween" functions in D3 (I learnt more than I wanted to about these when I wrote the dynamic "semaphore pie" we used here [1] ) it's relatively viable to do it for paths created from within D3. For paths already present and wanting to be selected... I guess it would work pretty much the same, since d3 selectors are more or less good to go with embedded SVGs, IIRC.

It's actually a very nice trick (and I love moving things around in graphs), and I'm intrigued by how I'd do it with D3. If I have any free time this weekend I'll look into it ;)

[1] VanillaSEO: http://vanillaseo.com/report/20141030fdec7fda61eafac3b8dca58...

Ninja edit (or almost): Here's the relevant part of d3 docs about tweens: https://github.com/mbostock/d3/wiki/Transitions

connoratherton
Sorry guys, I really didn't expect this much traffic. I still have to do some compatibility testing, I'm aiming to do it this weekend.
JohnHaugeland
Works well on Windows Phone 8.1.

I'm telling you because I'm pretty sure I'm the only Windows Phone user worldwide.

Gmo
No you're not :)
coob
Cool! We've been using a similar technique in our in-app sales page, also inspired by the Verge articles. I'll upload a video when I get a chance.
jh47
Works great for me on Safari 8 (Yosemite)!
jakelear
Hey Connor, awesome work. You would have saved us a lot of work had you created this a year ago ;)
liminal
This seems like an awful lot of code for animating the path's strokeDashArray and strokeDashOffset attributes. Especially if you're already using another library with built in transitions, such as D3 or even jQuery.
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mintone
--"I loved the animations for the polygon ps4 review a few months back and decided to create a small library to re-create them."
ChrisArchitect
was gonna ask if inspired by Verge/Polygon console reviews from awhile back... nice.
drunken_thor
it seems that it doesnt run if I open this in a new tab and stay on the current page but if I reload the page it works (all done with chrome) Seems like a page focus event gone wrong
lnanek2
make sure to leave and come back/hit refresh etc to try to get the animation to fire. looks cool, although there was nothing on the screen the first time i went to the tab on Chrome/MacOSX
scott_karana
Firefox 33.0.2 on OSX 10.9 here.

It renders well if the tab is in focus (fantastic work!) but there's a bug: if I open it in a tab in the background, and visit it later (after the animation would have completed?) I see only a nearly-blank page. Confused me for a bit, as I open mass-tabs here on HN...

popey456963
I get the same problem, tried on both Chrome and Internet Explorer (Windows 7).
cturhan
I guess OP doesn't use requestAnimationFrame, otherwise, it would wait for the tab being focused.

Edit: Checked the code. He uses requestAnimationFrame.

pgsuckz
You meant the opposite though, right?
experimental-
In Linux, I get a varying, incomplete image with Firefox (33) and nothing with Chrome (38).
maemre
I got the same problem with Safari 8 on OS X 10.10
thedz
Hey! Guy who did the Polygon PS4 and Xbox review SVG animations here.

This is really great stuff; has a super friendly API to boot.

FWIW, we also released a generalized library for some of the things we were doing WRT frame-based and duration-based animation:

https://github.com/voxmedia/metronome

(Reason being that for some animations, we wanted it to finish in a precise amount of time, but for others, maintaining frame rate was paramount, even if total elapsed time was longer)

olso4052
Very nice. It's funny, I keep clicking on these 'new JS library' links thinking, oh geez, not another one... but then I leave thinking, wow, that is very impressive and super useful.
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