DBJ AutoLISP circa 1991

Undusting the floppies the other day brought yet another “Wow !” moment … I was writing LISP code in 1991 ? And it certainly seems non-trivial stuff, at least to me.

LISP list
LISP list

Polygon tessellation (triangulation) and simillar “delicacies”. Those where the days of my heavy involvement with ACAD AutoLISP, vector graphics etc. Here is one example. The start of a polygon triangulation utility


Now, this is what I might call “Gobsmacking”. I remember I was doing it and that it has worked, etc. But to explain it today, I think I would need to transform it first to e.g. JavaScript and then try and explain this code.

Update 2013-Aug-10

My (Auto)LISP legacy is now on github: