W3C home > Mailing lists > Public > public-web-perf@w3.org > May 2012

Re: Semantics of the time argument on rAF's FrameRequestCallback

From: Boris Zbarsky <bzbarsky@MIT.EDU>
Date: Wed, 09 May 2012 14:17:44 -0400
Message-ID: <4FAAB4C8.2020505@mit.edu>
To: Yehuda Katz <yehuda.katz@jquery.com>
CC: Jatinder Mann <jmann@microsoft.com>, Nat Duca <nduca@chromium.org>, "public-web-perf@w3.org" <public-web-perf@w3.org>
On 5/9/12 2:05 PM, Yehuda Katz wrote:
> What are authors expected to do with this timestamp?

Decide what exactly to draw; it tells them what time the animation is to 
be drawn for.  Especially for animations that are not inhertently 
frame-based (e.g. moving an object from point X to point Y).

> What is the use-case?

Synchronizing animations with each other.

Received on Wednesday, 9 May 2012 18:18:19 UTC

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