The first OpenGL tutorial from 30 years ago was called “Hello Triangle”. It was uselessly simple, just like the iconic “Hello World”. The point is that the tut

The first OpenGL tutorial from 30 years ago was called “Hello Triangle”. It was uselessly simple, just like the iconic “Hello World”. The point is that the tutorial is not in the same spirit as the classic Hellos. You can draw a triangle without all that scaffolding.