Book Image

iPhone Game Blueprints

By : Igor Uduslivii
Book Image

iPhone Game Blueprints

By: Igor Uduslivii

Overview of this book

Designing and selling games on the iOS platform has become a phenomenon ever since the introduction of the App Store. With mobile gaming taking the World by storm, users are indulging in all different types of games. iPhone Game Blueprints is a hands on guide to both inspire and help developers, graphic designers, and game enthusiasts to create their own games for iOS devices. Taking a selection of iPhone game "styles" we will learn how to set the foundation and essential functionality for each game. Including thorough explanations of popular games such as puzzles, arcades, and adventures, as well as useful theoretical and technical concepts. iPhone Game Blueprints is your complete guide to creating great iPhone games, from a simple gesture game to a classic shoot 'em up. iPhone Game Blueprints guides you through the universe of mobile games, starting with the overall information about game ideas, ergonomic aspects, and much more. Then it switches to a description of each particular game type, presenting ready-to-use ideas and applications. This book will take you through a selection of iPhone game styles and show how to create the foundation and essential functionality for a game of that genre.The examples in this book are only the beginning. Including a deluge of practical tips, focusing on the best approach to game design, not forgetting to mention the pitfalls. iPhone Game Blueprints will give you the blueprints of several mobile game's essentials cores. Whether you're just getting started with gaming, or want to try a whole different genre of game, these blueprints are everything you need.
Table of Contents (16 chapters)
iPhone Game Blueprints
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Minimum screen areas


It is always important to determine the minimum size of an active element for your game. The comfort of playing directly depends on this factor. The average width of an adult human male finger varies from 15 to 20 mm, the average index finger width is 20 mm or 0.75 inch. In ancient times, this size was used as a measurement of length called finger or digit (in Latin digitus means finger). Let's convert finger into pixels, all we need for this is simple math; the digital length of the screen in pixels should be divided into the physical length of the screen in millimeters its size in pixels, so we will get the number of pixels in one millimeter. The conversion is shown as follows:

  • iPhone: 480 px/75 mm is approximately 6.41 pixels per mm (163 ppi)

  • iPhone (Retina): 960 px/75 mm is approximately 12.83 pixels per mm (326 ppi)

  • iPad: 1024 px/197 mm is approximately 5.20 pixels per mm (132 ppi)

  • iPad mini: 1024 px/160 mm is approximately 6.41 pixels per mm (163 ppi)

  • iPad mini (Retina...