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warrenm's profile
Warren Moore
Warren Moore
Warren Moore
@warrenm

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Warren Moore

@warrenm

Software engineer specializing in mobile graphics and augmented reality. Author of “Metal by Example”

San Francisco, CA
metalbyexample.com
Joined April 2008

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    1. Warren Moore‏ @warrenm 6 Nov 2017

      Fixed a significant bug in my @glTF3D Metal renderer, so now Polly the robodog is animating quite dandily (https://www.youtube.com/watch?v=l7TB1O51X_M …)pic.twitter.com/JGxUSPasSk

      4 replies 5 retweets 39 likes
    2. Patrick Cozzi‏ @pjcozzi 7 Nov 2017
      Replying to @warrenm @glTF3D

      awesome progress, really looking forward to the _first_ glTF 2.0 PBR Metal renderer!

      1 reply 0 retweets 5 likes
    3. Saurabh Bhatia‏ @iamSBTron 7 Nov 2017
      Replying to @pjcozzi @warrenm @glTF3D

      BTW were you able to get the eyelids to animate correctly? cc @bghgary

      2 replies 0 retweets 1 like
    4. Warren Moore‏ @warrenm 20 Nov 2017
      Replying to @iamSBTron @pjcozzi and

      Just got back to this. Blinking works iff skinning is disabled. It seems that the joint matrices (which I compute every tick) exactly cancel the local rotation of the lids, overriding the animation. Tricky case. Any suggestions?

      1 reply 0 retweets 1 like
    5. Patrick Cozzi‏ @pjcozzi 20 Nov 2017
      Replying to @warrenm @iamSBTron and

      also adding @McNopper to the conversation

      1 reply 0 retweets 0 likes
    6. Norbert Nopper‏ @McNopper 20 Nov 2017
      Replying to @pjcozzi @warrenm and

      Are u doing morphing calculations before or after joint calculations?

      1 reply 0 retweets 0 likes
      Warren Moore‏ @warrenm 20 Nov 2017
      Replying to @McNopper @pjcozzi and

      I don’t support morph targets yet. I calculate joint matrices *after* applying animations. Doing otherwise will introduce complexity/coupling/extra storage, so I was trying to avoid it, but if it’s required for correctness…

      11:06 AM - 20 Nov 2017
      1 reply 0 retweets 0 likes
        1. New conversation
        1. Norbert Nopper‏ @McNopper 20 Nov 2017
          Replying to @warrenm @pjcozzi and

          The pupils/iris are morphed but without morphing the rest should still work. Please make sure to download latest Polly, as the eye lids are skeletal animated now as well.

          2 replies 0 retweets 1 like
        2. Warren Moore‏ @warrenm 20 Nov 2017
          Replying to @McNopper @pjcozzi and

          Ah, indeed; I was using a stale clone. Looking better now. Thanks!pic.twitter.com/FrunYv6lJh

          0 replies 1 retweet 6 likes
          3. End of conversation

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