Let’s Make a Custom Level for Duke Nukem 3D! Part 5

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Previous parts: 1 2 3 4

Last time we added some badly needed detail to our first room, and learned how to make 3D platforms out of flattened sprites. That’s a crucial ability in an engine which doesn’t support actual polygonal objects. It allows all sorts of verticality and 3D level design that can’t be done in (for example) the unmodified Doom engine. Here’s where we left…