Player Movement Direction Logic

Consider points A and B as walls and point O as player inside walls. So they look like A O B. I want player to move left when he touches rightPoint B. And move right when he touches leftPoint A. …

Nested Callback Handlers?

I am getting a set of data from the database where the query produces a repetition of data with a different “Special” value. For example the user “A” can be repeated twice, having three different “…