New blog post attempting to demystify floating point a bit. Aimed at people like myself who usually regard floating point as a black box that is to be used but not trusted :Phttps://blog.demofox.org/2017/11/21/floating-point-precision/ …
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There was a convo some months back about how uint64 can measure between earth and pluto with change to spare. In a straight line, yes. In terms of 3D math -- not a chance.
On H1Z1, our rule of thumb became that after ~4k in either direction on a map, you started *seeing* precision issues in animation. Playable map space was dictated by this number.
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On an open world streaming game we shifted the world as it streamed to keep you near the origin for the same reasons hehe.
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(it was cancelled when Midway went under, else I'd have a name to call it)
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