Leap Motion Development Essentials

Leap Motion Development Essentials
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Table of Contents
Sample Chapters
  • Comprehensive and thorough coverage of many SDK features
  • Intelligent usage of gesture interfaces
  • In-depth, functional examples of API usage explained in detail

Book Details

Language : English
Paperback : 106 pages [ 235mm x 191mm ]
Release Date : October 2013
ISBN : 1849697728
ISBN 13 : 9781849697729
Author(s) : Mischa Spiegelmock
Topics and Technologies : All Books, Enterprise Products and Platforms, Other, Virtualization and Cloud

Table of Contents

Chapter 1: Leap Motion SDK – A Quick Start
Chapter 2: Real Talk – Real Time
Chapter 3: Actual Gestures
Chapter 4: Leap and the Web
Chapter 5: HTML5 Antics in 3D
  • Chapter 1: Leap Motion SDK – A Quick Start
    • An overview of the SDK
    • Quick start
    • Major SDK components
      • Controller
      • Config
      • Screen
      • Math
      • Frame
      • Hand
      • Pointable
      • Finger positioning
      • An example of cursor control
      • A gesture-triggered action
    • Summary
    • Chapter 2: Real Talk – Real Time
      • A simple gesture recognizer
      • Using the MIDI output
      • Blocking and latency
      • Multiprocessing with threads
      • Refactoring for multithreading
      • The producer-consumer race condition
      • Summary
      • Chapter 3: Actual Gestures
        • Computer input
        • Natural gestures
        • Receiving gestures
        • WindowFlinger – a high-level gesture application
        • Window management abstraction
        • Window docking
        • Driver implementation – Mac OS X
          • Accessibility API
          • flinger::MacDriver
        • Summary

            Mischa Spiegelmock

            Mischa Spiegelmock is an accomplished software engineer from the San Francisco Bay Area. Slightly infamous from light-hearted technical pranks from his youth, he is now a respectable CTO at a healthcare software startup. His passions are architecting elegant and useful programs and sharing his insights into software design with others in a straightforward and entertaining fashion.
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            What you will learn from this book

            • Read finger and hand positions as well as motion information
            • Detect where a user is pointing on a screen
            • Recognize gestures – both built-in and user-defined
            • Deal with multithreaded programming challenges to create responsive interfaces
            • Explore the theory and concepts of gestural interfaces along with best practices
            • Integrate the Leap with 3D web capabilities using WebGL and Three.js
            • Understand the detailed coverage of C++ and JavaScript APIs
            • Add Leap support to a web page with no additional software or downloads required by users

            In Detail

            Leap Motion is a company developing advanced motion sensing technology for human–computer interaction. Originally inspired by the level of difficulty of using a mouse and keyboard for 3D modeling, Leap Motion believe that moulding virtual clay should be as easy as moulding clay in your hands. Leap Motion now focus on bringing this motion sensing technology closer to the real world.

            Leap Motion Development Essentials explains the concepts and practical applications of gesture input for developers who want to take full advantage of Leap Motion technology. This guide explores the capabilities available to developers and gives you a clear overview of topics related to gesture input along with usable code samples.

            Leap Motion Development Essentials shows you everything you need to know about the Leap Motion SDK, from creating a working program with gesture input to more sophisticated applications covering a range of relevant topics. Sample code is provided and explained along with details of the most important and central API concepts.

            This book teaches you the essential information you need to design a gesture-enabled interface for your application, from specific gesture detection to best practices for this new input. You will be given guidance on practical considerations along with copious runnable demonstrations of API usage which are explained in step-by-step, reusable recipes.


            This book is a fast-paced guide with practical examples that aims to help you understand and master the Leap Motion SDK.

            Who this book is for

            This book is for developers who are either involved in game development or who are looking to utilize Leap Motion technology in order to create brand new user interaction experiences to distinguish their products from the mass market. You should be comfortable with high-level languages and object-oriented development concepts in order to get the most out of this book.

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