Tim Sweeney

@TimSweeneyEpic

Epic Games Founder, CEO.

epicgames.com
Joined August 2013
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  1. Retweeted
    Apr 14

    If you missed our Modeling Tools & GeoScript livestream, you can catch up on YouTube () or Twitch (). I'm told we peaked at just under 20k live viewers, considering a career change to Pro Geometry Streamer...

    8 replies . 25 retweets 126 likes
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  2. Retweeted
    Apr 13

    Weird Unicode Math Symbols

    22 replies . 356 retweets 2,020 likes
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  3. Retweeted
    Apr 12

    For a concise and powerful rebuttal of Apple's suggestion that consolidated corporate power is necessary for privacy and security, please see 's Ninth Circuit brief in Epic v. Apple.

    2 replies . 57 retweets 169 likes
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  4. Retweeted
    Apr 12

    A year ago today I jumped in the Fortnite bus and started my time at Epic. Working with wildly talented people that care for each other day to day is a joy to be a part of. We have some pretty great positions open in UXUI right now, DM me if you want to take the leap with me.

    20 replies . 35 retweets 446 likes
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  5. Retweeted
    Apr 12

    None of what Tim Apple is saying here is remotely true. Allowing side loading has absolutely nothing to do with disabling security features and app permissions. Side loaded apps can still be sandboxed and require permission requests like any store-gotten app!

    2:16
    1. Here's Apple CEO Tim Cook today arguing that antitrust laws against big tech are bad for privacy and bad for national security. In honor of his speech, I thought I'd do a little thread on just how bad these tech firms are for American security.
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    8 replies . 44 retweets 234 likes
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  6. Apr 10

    Some days we're Charlie from Flowers for Algernon, some days we're the mouse.

    44 replies . 13 retweets 219 likes
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  7. Apr 9

    I tried global illumination once in 1996, doing CPU line traces from light map elements in a ~200 world polygon scene, at 3fps. Using Daniel's tricks, perhaps that could be optimized to 30fps, but it wouldn't have scaled to the GPU polygon counts of the following 20 years.

    12 replies . 4 retweets 193 likes
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  8. Apr 9

    It's astonishing how far rendering has progressed in the 27 years since the first Unreal Engine pixels were illuminated. Daniel Wright knows 1000 more about lighting than I ever knew, and there are luminaries all over Epic with similar knowledge ratios in their fields.

    I'm honored to be part of a third major release of Unreal Engine, starting with Unreal Engine 3 back in 2006. Lighting has always been my passion, and I'm more proud of what we're accomplishing with dynamic lighting in Unreal Engine 5 than ever before.
    32 replies . 29 retweets 611 likes
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  9. Retweeted
    Apr 9

    I'm honored to be part of a third major release of Unreal Engine, starting with Unreal Engine 3 back in 2006. Lighting has always been my passion, and I'm more proud of what we're accomplishing with dynamic lighting in Unreal Engine 5 than ever before.

    36 replies . 52 retweets 895 likes
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  10. Apr 9

    Sions are the metric units of human entropy. To simplify your life by 1 sion, you must make 10 decisions or 100 centisions.

    24 replies . 27 retweets 313 likes
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  11. Retweeted
    Apr 7

    We’re excited to team up with to build a fun and safe place for kids to play in the metaverse. 🤩 Find out more here:

    189 replies . 294 retweets 1,698 likes
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  12. Retweeted
    Apr 5

    Check out teams prototypes here: The Coalition – "The Cavern" Cinematic Test Demo on Unreal Engine 5 via

    13 replies . 46 retweets 283 likes
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  13. Retweeted
    Apr 5

    The city from the is available for free.

    11 replies . 84 retweets 362 likes
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  14. Retweeted
    Apr 5

    The new Lyra Starter Game for 5 is available now It's meant to be an excellent starting point for creating new games and show how engine features are put to practical use We're super excited to see what people make with it

    14 replies . 76 retweets 300 likes
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  15. Retweeted
    Apr 5

    BREAKING: A new Tomb Raider game has officially been announced by Crystal Dynamics, and it will be developed on Unreal Engine 5.

    865 replies . 4,881 retweets 33,530 likes
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  16. Retweeted
    Apr 2

    Tuesday, join and Epic Games for a special State of livestream. Watch at 11a ET / 8a PT on channels: YouTube: Twitch:

    , and
    23 replies . 86 retweets 655 likes
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  17. Retweeted
    Apr 4

    Our deepest thanks to everyone who joined us in supporting humanitarian relief efforts for people affected by the war in Ukraine. Together with the Fortnite community and , we raised $144 million USD for , , and .

    847 replies . 3,129 retweets 25,064 likes
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  18. Apr 3

    There are theorem proving languages and proof assistants in which a subset of their language coincides with a subset of recognizable math syntax. But there are many parts of recognizable math that can't be defined in their syntax because the language grammar doesn't support it.

    11 replies . 2 retweets 63 likes
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  19. Apr 3

    We see equations like this one a lot and sort of visually intuit it. But it's quite unclear what exactly comma means here, how many spaces separate a quantifier range from its domain, and so on.

    13 replies . 2 retweets 106 likes
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  20. Apr 3

    Mathematics is an incredibly rigorous subject with a rich syntax, and mathematicians typically work deep within formalisms. So it's curious that nobody has written down something like a BNF syntax for math, and denotational semantics for that syntax.

    49 replies . 14 retweets 322 likes
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