Funny, I was just gonna comment and say that I learned this One Weird Trick… and then realized I’d learned it from you. (Hi, Bob! I was actually just using you

Funny, I was just gonna comment and say that I learned this One Weird Trick… and then realized I’d learned it from you. (Hi, Bob! I was actually just using your recursive shadowcasting algorithm as a reference yesterday.) I feel like I just got an Erdos number or something.