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    comex‏ @comex Oct 10

    Does anyone know of any experiments or research into creating 3D models that, rendered from the right perspective / with the right shaders, exactly match existing 2D pixel art – but can be smoothly rotated? (Or very very close to exactly.)

    11:28 AM - 10 Oct 2018
    • 4 Likes
    • Bestware Lemicot Nikita Karetnikov Dry Ice
    6 replies 0 retweets 4 likes
      1. comex‏ @comex Oct 10

        When I try to Google it, I mostly just find results for the opposite process, making pixel art from 3D models. And at least one example of making pixel art 3D by just turning into voxels (https://0fps.net/2012/09/18/turning-8-bit-sprites-into-printable-3d-models/ …), which is fine but not what I want.

        0 replies 0 retweets 2 likes
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      1. New conversation
      2. Thomas‏ @tpw_rules Oct 10
        Replying to @comex

        The game Fez is based around this. I remember seeing blog posts of how its engine works.

        1 reply 0 retweets 1 like
      3. comex‏ @comex Oct 10
        Replying to @tpw_rules

        hmm, I’ve occasionally heard of Fez but don’t know much about it.

        1 reply 0 retweets 0 likes
      4. comex‏ @comex Oct 10
        Replying to @comex @tpw_rules

        …heh, it’s like Super Paper Mario on steroids. neat. but from the short YouTube clip I watched, it looks like the characters are still 2D…

        0 replies 0 retweets 0 likes
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      2. Patrick Walton‏ @pcwalton Oct 10
        Replying to @comex

        Seems like it’s asking the wrong question, IMHO: there’s a trivial solution (convert pixels to voxels), but it’s not very useful. I think what you want is non-photorealistic rendering generally; there’s a fair bit of work in that area but not enough.

        1 reply 0 retweets 0 likes
      3. comex‏ @comex Oct 10
        Replying to @pcwalton

        Sort of. You definitely need non-photorealistic rendering techniques to make the appearance line up from the magic angle. But I’m interested in matching existing pixel art, not just creating new art that looks like pixel art.

        1 reply 0 retweets 0 likes
      4. Patrick Walton‏ @pcwalton Oct 10
        Replying to @comex

        I think you have to solve the problem of creating new art that looks like pixel art before you solve the problem of matching existing pixel art. Artists cheat with pixel art: it’s not physically accurate because of pixel snapping, etc.

        1 reply 0 retweets 0 likes
      5. comex‏ @comex Oct 10
        Replying to @pcwalton

        Sure, and if you have any interesting links for just that, I’m interested as well. Reminds me of font hinting…

        1 reply 0 retweets 0 likes
      6. Patrick Walton‏ @pcwalton Oct 10
        Replying to @comex

        I doubt there’s been much work in this area…non-photorealistic rendering just isn’t an adequately explored topic these days. You should go for it :) (IMO, the incentives structure in CG research is all messed up…2D anything is almost impossible to get published.)

        0 replies 0 retweets 0 likes
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      1. New conversation
      2. Adam Bird‏ @Archez39 Oct 10
        Replying to @comex

        Guilty Gear Xrd employs a shader technique to make 3D models appear hand drawn.

        1 reply 0 retweets 1 like
      3. comex‏ @comex Oct 10
        Replying to @Archez39

        Yeah, I saw the GDC presentation and it was quite neat. Probably some similar techniques could be used. But it’s harder to mimic low-res pixel art than anime, and even harder to match *existing* pixel art, which is what I’m after.

        0 replies 0 retweets 0 likes
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      2. Kirils Solovjovs‏ @KirilsSolovjovs Oct 10
        Replying to @comex

        Isn't that a trivial problem? Just take a cube and print a 2D pixel art on one of the sides.

        1 reply 0 retweets 1 like
      3. Sam Bingner‏ @sbingner Oct 10
        Replying to @KirilsSolovjovs @comex

        I was about to say something like that... but I know that’s not what he really meant lol

        1 reply 0 retweets 0 likes
      4. comex‏ @comex Oct 10
        Replying to @sbingner @KirilsSolovjovs

        Well, that’s how you get Paper Mario. But of course I mean a model that looks like whatever 3D shape (e.g. human-shaped characters) is implied by the original pixel art :)

        0 replies 0 retweets 0 likes
      5. End of conversation
      1. Dry Ice‏ @DryIceHipHop Oct 10
        Replying to @comex

        I don't know much about this but I think NVidia's RTX 2080 Ti does something like that

        0 replies 0 retweets 0 likes
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