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TimSweeneyEpic's profile
Tim Sweeney
Tim Sweeney
Tim Sweeney
@TimSweeneyEpic

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Tim Sweeney

@TimSweeneyEpic

Epic Games founder & CEO

epicgames.com
Joined August 2013

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    Tim Sweeney‏ @TimSweeneyEpic 18 Aug 2018
    • Report Tweet
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    Some seemingly hopeless technical problems have an easy solution when you’re willing to take radical steps. I remember @billyzelsnack as the master of this, with perspective-correct texture mapping with a per-pixel divide, and a 256Klookup table for lighting...on a 486!

    2:36 PM - 18 Aug 2018
    • 4 Retweets
    • 68 Likes
    • Sergey Haritonov Jurie Horneman Paule heißt er cityside75 Krzysztof Kondrak Mike Penick Alex Austin Mark Hughes ike Titan
    10 replies 4 retweets 68 likes
      1. Tim Sweeney‏ @TimSweeneyEpic 18 Aug 2018
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        What’s radical nowadays? Allocating one-eight of a 128TB virtual address space to track concurrent garbage collection? Multiple datacenter networking hops per-frame for a game server? 10,000 shader instructions per pixel?

        8 replies 6 retweets 53 likes
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      2. Simon_Fe‏ @Simon_Fe1 18 Aug 2018
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        Replying to @TimSweeneyEpic

        Wasn't z-buffering (a whole value per pixel!) once considered an exorbitant use of memory?

        2 replies 0 retweets 7 likes
      3. Stefan Werner‏ @stefan_3d 22 Aug 2018
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        Replying to @Simon_Fe1 @TimSweeneyEpic

        It was. That's why competing algorithms exist: https://en.wikipedia.org/wiki/Hidden_surface_determination#Algorithms …

        1 reply 0 retweets 3 likes
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      1. Tom Forsyth‏ @tom_forsyth 18 Aug 2018
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        Replying to @TimSweeneyEpic

        We used to call these exorbitant things "CLF algorithms" - stands for Cheat Like Fuck.

        0 replies 0 retweets 11 likes
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      2. Marc Rogerson‏ @f00n 19 Aug 2018
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        Replying to @TimSweeneyEpic

        I shall remember this next time I have to make a manual Undo/Transaction system for custom UObjects without uproperties. ;)

        1 reply 0 retweets 1 like
      3. Real AI‏ @Luiz0x29A 31 Aug 2018
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        Replying to @f00n @TimSweeneyEpic

        using immutable objects so you can keep them all and don't need to have undo don't worry, functional languages have tree sharing, if you change one property, at least log k new nodes are needed, k being tree height

        0 replies 0 retweets 2 likes
      4. End of conversation
      1. New conversation
      2. mankrip‏ @mankrip 18 Aug 2018
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        Replying to @TimSweeneyEpic

        What do you mean by an "easy solution through radical steps"? Complexity or simplicity?

        1 reply 0 retweets 1 like
      3. Boltzmann Brain Think Tank‏ @PLT_cheater 19 Aug 2018
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        Replying to @mankrip @TimSweeneyEpic

        simple solution that is hard to come up with.

        0 replies 0 retweets 0 likes
      4. End of conversation
      1. Carlos Valdivia‏ @banhelssin 18 Aug 2018
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        Replying to @TimSweeneyEpic

        Good

        0 replies 0 retweets 0 likes
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      1. Chris‏ @venturechris 19 Aug 2018
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        Replying to @TimSweeneyEpic

        killing flash #steve

        0 replies 0 retweets 0 likes
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