Since distance fields are popular right now, here’s another periodic plug for an underappreciated paper: G. Taubin, “Distance Approximations for Rasterizing Implicit Curves” 1994. Specifically, section 4, “A First-Order Approximate Distance” http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.62.4283&rep=rep1&type=pdf …
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Impressive results rendering complex curves using this trick. Fully parallel and works great in fragment shaders.pic.twitter.com/YKDLaDykFN
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