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OpenFrameworks Essentials

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OpenFrameworks Essentials

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OpenFrameworks Essentials
Apr, 2015 | 206 pages
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Table of Contents (19 chapters)
openFrameworks Essentials
openFrameworks Essentials
Credits
Credits
Foreword
Foreword
About the Authors
About the Authors
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Getting Started with openFrameworks
Getting Started with openFrameworks
What is openFrameworks?
Installing openFrameworks
Running your first example
The video synthesizer application
Summary
2
Creating Your First openFrameworks Project
Creating Your First openFrameworks Project
Creating and running a new project
Discovering the project's code structure
Setting up the screen
Centering the coordinate system
A simple drawing
Geometric patterns
Summary
3
Adding a GUI and Handling Keyboard Events
Adding a GUI and Handling Keyboard Events
Creating a GUI using the ofxGui addon
Implementing a simple GUI panel with sliders
Implementing the autosave feature
Creating groups of controls
Implementing a checkbox, a color selector, and a 2D slider
Handling keyboard events
Implementing the matrix pattern generator
Summary
4
Working with Raster Graphics – Images, Videos, and Shaders
Working with Raster Graphics – Images, Videos, and Shaders
Raster images in openFrameworks
Drawing an image file
Playing a video file
Grabbing a live video from a camera
Mixing layers using additive blending
Creating the video effect with a shader
Summary
5
Creating 3D Graphics
Creating 3D Graphics
Introduction to 3D graphics with openFrameworks
Drawing a wireframe sphere
Creating a camera
Drawing a solid sphere
Texturing the sphere
Mixing 2D and 3D with the GUI
Deforming a sphere
Summary
6
Animating Parameters
Animating Parameters
Using time values for a parameter's automation
Using the level of sound for a parameter's automation
Capturing sound from a sound card's input and measuring its level
Reading data from a text file
Controlling automation
Summary
7
Distributed and Physical Computing with Networking and Arduino
Distributed and Physical Computing with Networking and Arduino
Distributed computing with networking
Networking in openFrameworks
Implementing the OSC messages receiver
Creating an OSC sender with openFrameworks
Creating OSC senders with TouchOSC, Python, and Max/MSP
Physical computing with Arduino
Programming an Arduino board
Summary
8
Deploying the Project on iOS, Android, and Raspberry Pi
Deploying the Project on iOS, Android, and Raspberry Pi
Running the project on an iOS device
Deploying the project on an iOS device
Running the project on an Android device
Running the project on Raspberry Pi
Summary
9
Further Resources
Further Resources
Enhancing the video synthesizer project
Getting more information on openFrameworks
Debugging and speeding up your code
Summary
Video Synthesizer Reference
Video Synthesizer Reference
The desktop version
iOS and Android versions
Raspberry Pi version
Summary
openFrameworks Quick Reference
openFrameworks Quick Reference
Application
2D drawing
The GUI
Multimedia and other classes
Mathematical, timer, and conversion functions
Summary
Index
Index

About the Authors

Denis Perevalov is a scientist at the Krasovsky Institute of Mathematics and Mechanics, Ekaterinburg, Russia. His main research interests are computer vision and interactive systems.

He has been teaching the information processing and algorithms of technical vision courses at the Ural Federal University since 2010. He is also the author of the book Mastering openFrameworks – Creative Coding Demystified, Packt Publishing, 2013.

I would like to thank my wife, Svetlana, and son, Timofey, for engaging me all the time.

Thanks to the Institute, especially my supervisor, Victor Borisovich Kostousov, for supporting my book writing.

Thanks to the dancer, Ekaterina Zharinova, for providing me with an opportunity to check the preliminary version of the book's video synthesizer in her media performance, On the opposite side.

I also give big thanks to Angelina Poptsova for proofreading, Oleg Nurmuhametov for consulting on iOS, and Ilya Nemihin from hackerspace (makeitlab.ru) for consulting on the Raspberry Pi.

Thanks to Packt Publishing for working so hard to make this book possible.

Many thanks to the openFrameworks creators and community for their constant enthusiasm and productivity.

Igor (Sodazot) Tatarnikov is a video artist, animator, and VJ from Moscow, Russia. He creates media content in various techniques, including animation, stop motion, and generative art.

Igor and Denis are cofounders of the visual laboratory Kuflex (2011), which made numerous interactive video installations and audio-visual performances for numerous exhibitions and commercial projects. Kuflex's clients include the Garage Museum of Contemporary Art (Moscow), the Jewish Museum and Tolerance Center (Moscow), the Moscow International Festival «Circle of light», Microsoft, Nokia, Samsung, and Master Card. Most of these works were made using openFrameworks.

I want to thank my wife, Marina, for her love and support; my parents for backing up all my interests since my childhood; and my jolly cat, Multick, for inspiration and good mood.

I would also like to thank Ksenya Lyashenko for interesting projects in our Kuflex team, Leksha Jankov for the music used in the book examples, and Kirill Ivanov for the visual experiments at SBPCH concerts and for the present that inspired the creation of the video synthesizer—the main example of the book.

My special thanks goes to the authors of openFrameworks and all the members of the community, who support its development, and also to Packt Publishing for working on the book.

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