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nice, detailed, short video about how Quake uses portals in calculating the visibility of parts of a level https://www.youtube.com/watch?v=IfCRHSIg6zo
@hikari Now you’re thinking with por…wait, wrong game
@saagar Source is also portal-based I think! the heritage of Quake…
@hikari (I know, hence the reference)
@saagar (ah, the dangers of not being sure how much of a joke is intended)
@saagar my favourite outdated fact about portal is that some games have been prototyped using the portal version of the source engine because it makes it easier to design maps if you don't have to physically join up your corridoors, just insert Portal-style portals at the ends