This chapter from Learn GameSalad for iOS offers tips on learning gravity, basic physics, and camera controls when creating an Angry Birds-like game. Title: Learn GameSalad for iOS: Game Development for iPhone, iPad, and HTML5 ISBN13: 978-1-4302-4356-4 Published: July 2012 Author: David Guerineau Chapter: “Learning Gravity, Basic Physics, and Camera Controls: An Angry Birds-like Game, ...