In high school in the late 90's, I somehow learned that Asteroids was a vector display, and then went about writing a clone in Pascal that used a vector-based b

In high school in the late 90's, I somehow learned that Asteroids was a vector display, and then went about writing a clone in Pascal that used a vector-based backend and rendered to the pixelly display. This ended up giving me an early introduction to a good number of linear algebra ideas...