> ...hardware collision detection feature of the Master System. This feature triggers a flag when two sprites collide, but does not tell you which sprites collided.

I want to say... WTF!? This is kinda evil, I have no idea and I love it!

> Alf 2: Collision Detection Is Hard, Blog Posts Are Harder

I did semi-recently re-write an amazing collision detection technique I found by myself and used around 1991 (it was fast and flawless) and I even wrote some (Clojure, whatever) code to create "nice looking images" to explain visually the technique. I even started working on the blog post but...

It's not done yet so you have no idea how I agree with this title...

(part of the problem being that I haven't a blog yet. I've got some material: several things I want to write about and the name of the blog and, heck, I wrote entire books in the past so it's not as if writing was that problematic)