I "invented" navigation meshes in 1995, along with, I'm sure fifty other people. Then I read about them in Game Programming Gems in 2000. So five years before s

I "invented" navigation meshes in 1995, along with, I'm sure fifty other people. Then I read about them in Game Programming Gems in 2000. So five years before someone thought "Hey, I should publish this!" (wish I had!) But it was apparently invented in the 1980s for robots. For games, the catalyst was 3D games consoles.