Game Engine Gems brings dozens of brand new articles from leading software engineering professionals together in a single volume. Each "gem" in this book presents a previously unpublished technique related to game engines and real-time virtual simulations, and each one is supported by many years of experience and wisdom possessed by the authors. Specific topics include rendering techniques, shaders, scene organization, visibility determination, collision detection, audio, user interface, input devices, memory management, artificial intelligence, resource organization, and cross-platform considerations.