Unity 3.x Game Development Essentials

Foreword

When we began creating Unity, we were just three programmers working on a beautiful little game. There weren't any good game engines that one could license without putting down wads of cash, so we created our own. We eventually decided that we enjoyed the challenge of making great tools even more than making games, and after some soul searching we realized that the tools we had been creating—combined with a simple licensing structure and an open community—had the potential to change the way that developers create, distribute, and play games.

It wasn't always an easy road to where we are today. Ridiculously long days and late nights, gigs serving sandwiches and making websites for law firms, and general hardship. Once, we were told by a ...