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Re:Show HN: 2D field of view demo by almightysmudge on Tuesday June 07, 2016 @04:00AM (#11853058)
Very nice. Did you look at http://ncase.me/sight-and-light/ at all?
Re:Show HN: 2D field of view demo by legends2k on Tuesday June 07, 2016 @04:03AM (#11853068)
This too is a reference that I'd cited in the design document I'd linked :)

See the References section.