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RichFelker's profile
Rich Felker
Rich Felker
Rich Felker
@RichFelker

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Rich Felker

@RichFelker

Yeah, I do @musllibc, FOSS & infosec stuff. But now is not the time for a mostly-/only-tech Twitter feed.

musl-libc.org
Joined March 2014

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    1. Rich Felker‏ @RichFelker Jul 31

      Rich Felker Retweeted Jeff Russell

      TL;DR games are still doing the idiotic variable, rendering-time-dependent ticrate rather than a fixed ticrate for physics and skipping rendering of some ticks when gpu can't keep up. *sigh* And their analysis of the solution is all wrong.https://twitter.com/j3ffdr/status/1024330252816924672 …

      Rich Felker added,

      Jeff Russell @j3ffdr
      An important discussion of frame timing in games, and where that "stutter" we're all so used to keeps coming from (hint: it isn't a drop in frame rate) https://medium.com/@alen.ladavac/the-elusive-frame-timing-168f899aec92 …
      1 reply 1 retweet 3 likes
    2. Alexander Monakov‏ @_monoid Jul 31
      Replying to @RichFelker

      Your tldr is badly off the mark. I'll spare you the epithets. If you did read the article in its entirety (which I doubt), you apparently did not understand what Alen was talking about.

      1 reply 0 retweets 1 like
    3. Rich Felker‏ @RichFelker Jul 31
      Replying to @_monoid

      I did read it all. As stated in the article, forcing fixed ticrate makes it go away but you can "get behind". My position is that you solve that not by varying tic interval but by skipping rendering the frame you missed.

      2 replies 0 retweets 0 likes
    4. Alexander Monakov‏ @_monoid Jul 31
      Replying to @RichFelker

      ... and from the demonstrated workaround you jumped to a conclusion that physics tickrate is the same as rendering/presentation rate? Shame. Again: this got nothing to do with physics. The problem is lack of info on when rendering you do gets to screen.

      1 reply 0 retweets 0 likes
      Rich Felker‏ @RichFelker Jul 31
      Replying to @_monoid

      I don't see how you can render a frame at time t without having computed the physics state at time t. The example in the article had a rendering time that looked like it could not match a fixed physics ticrate.

      11:53 AM - 31 Jul 2018
      1 reply 0 retweets 0 likes
        1. Alexander Monakov‏ @_monoid Jul 31
          Replying to @RichFelker

          Bah. All right, I've experienced a similar convo pattern before and I won't waste any more time here. The gap is too wide to bridge over a medium that has more latency than a face-to-face discussion.

          0 replies 0 retweets 1 like
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