openFrameworks essentials : create stunning, interactive openFrameworks-based applications with this fast-paced guide / / Denis Perevalov, Igor (Sodazot) Tatarnikov ; foreword by Dmitry Karpov

• Autore: Perevalov Denis
• Pubblicazione: Birmingham, England ; ; Mumbai, [India] : , : Packt Publishing, , 2015; ©2015
• Descrizione fisica: 1 online resource (206 p.)
• Disciplina: 006.6869
• Soggetto topico: Computer graphics; Interactive multimedia - Authoring programs; Graphic arts
• Persona (resp. second.): TatarnikovIgor; KarpovDmitry
• Note generali: Includes index.
• Nota di contenuto: Cover; Copyright; Credits; Foreword; About the Authors; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1: Getting Started with openFrameworks; What is openFrameworks?; Installing openFrameworks; The openFrameworks folder structure; Running your first example; The video synthesizer application; Three reasons to create your own video synthesizer with openFrameworks; Summary; Chapter 2: Creating Your First openFrameworks Project; Creating and running a new project; Creating a project; Running a project; Discovering the project's code structure; Setting up the screen ; Centering the coordinate systemA simple drawing; Setting drawing color; Drawing primitives; Geometric patterns; The stripe pattern; A stripe pattern made from parallel lines; A stripe pattern made from rotating lines; A stripe pattern made from rotating triangles; Summary; Chapter 3: Adding GUI and Handling Keyboard Events; Creating a GUI using the ofxGui addon; Implementing a simple GUI panel with sliders; Using the sliders' values; Implementing the autosave feature; Creating groups of controls; Using the sliders' values; Implementing a checkbox, a color selector, and a 2D slider ; Using the controls' valuesExperimenting with the project; Handling keyboard events; Hiding the GUI; Saving a screenshot; Saving a preset using the system save dialog; Loading a preset using the system load dialog; Implementing the matrix pattern generator; Using the sliders' values; Experimenting with the matrix pattern generator; Summary; Chapter 4: 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 mixer's GUI ; Implementing the mixer's functionalityCreating the video effect with a shader; Redirecting drawing to the offscreen buffer; Drawing the offscreen buffer contents and enabling smoothing; Implementing the kaleidoscope effect; Creating the fragment shader; Creating the vertex shader; Using created shaders in the project; Summary; Chapter 5: Creating 3D Graphics; Introduction to 3D graphics with openFrameworks; openFrameworks classes for surface representation; Drawing a wireframe sphere; Creating a camera; Controlling the camera with a mouse ; Disabling mouse control for the camera when the GUI is visibleCamera automation; Drawing a solid sphere; The things needed for shading the surface; Drawing a solid sphere with shading; Texturing the sphere; Preparing a texture; Setting texture coordinates; Activating texturing; Mixing 2D and 3D with the GUI; Deforming a sphere; Deforming by formulas; Extruding the sphere; Summary; Chapter 6: Animating Parameters; Using time values for a parameter's automation; Implementing a simple LFO; Implementing a pseudorandom LFO with Perlin noise; Using the level of sound for a parameter's automation ; Playing and analyzing an audio file
• Sommario/riassunto: If you are a programmer, visual artist, or designer with experience in creative coding, and want to use openFrameworks to create fun, stunning, and interactive applications, this is the book for you. Basic knowledge of programming languages, such as C++, Java, Python, or JavaScript, will be enough to proceed with the book.
• Titolo autorizzato: OpenFrameworks essentials
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910811821003321
• Lo trovi qui: Univ. Federico II
• Serie: Community experience distilled.