TL;DR: demo1, demo2 (controls: Mouse, A, D)
Historically I prefer to use custom physics simulation instead of third party engines. It started from igdc.ru contests in 2008 when I found the PDF from Hitman developers (see links at the bottom). The method is known as position based or Verlet physics. (more…)
It’s hard to imagine an iOS application that doesn’t perform URL requests. If you develop iOS apps you should have done it a lot of times. But are you sure that you put your request code in the appropriate place?
I had a chance to maintain many different apps and very often I saw the same “pattern” – put all network interaction code directly in the view controller!