back in the 1980's when I first got into programming I wrote a 3D flight simulator in Forth ... terrific language ... loved teaching myself how to construct mul

back in the 1980's when I first got into programming I wrote a 3D flight simulator in Forth ... terrific language ... loved teaching myself how to construct multi-dimensional data structures when the language itself only offered 1D arrays ... back pre-internet folks had to roll up their sleeves and write the plumbing level logic themselves unlike today with endless libraries at hand