Post · Fedizen

@ChrisPirillo@mastodon.social 59 min. ago

A DOOM-style raycaster lives inside a TrueType font's hinting bytecode, and the browser draws its 3D walls by re-hinting one glyph

https://lockergnome.com/truetype-hinting-vm-doom-raycaster/

#fonts #truetype #doom #OpenSource

Risograph-print Chris leans into a giant letter 'A' on a screen whose vertical strokes have bent into the receding walls of a first-person maze, a tiny compiler gear beside him feeding ribbon into the glyph.

A DOOM-style raycaster lives inside a TrueType font's hinting bytecode, and the browser draws its 3D walls by re-hinting one glyph

A 6,580-byte font named doom.ttf carries a working DDA raycasting engine written in TrueType's hinting language, so the letter 'A' becomes a wall of a 16x16 maze when Chrome renders it.

#truetype #fonts #doom #opensource

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