Book Image

OGRE 3D 1.7 Application Development Cookbook

By : Ilya Grinblat, Alex Peterson
Book Image

OGRE 3D 1.7 Application Development Cookbook

By: Ilya Grinblat, Alex Peterson

Overview of this book

<p>OGRE (Object-oriented Graphics Rendering Engine) 3D is a scene-oriented, flexible 3D engine written in C++ designed to make it easier and more intuitive for developers to produce applications utilizing hardware-accelerated 3D graphics.</p> <p>Graphics application development with OGRE 3D may start small, but may soon balloon into monstrously complex beasts, which just can't be all understood at once. This book will help you to easily develop applications using OGRE 3D.<br /><br /><i>OGRE 3D 1.7 Application Development Cookbook</i> will help solve common problems you may face while developing 3D graphics applications using OGRE 3D. You will learn to create various types of Windows applications, scene querying, and visibility analysis among other things from this book.</p> <p>This book includes some advanced recipes involved in developing applications with OGRE 3D. Each recipe deals with adding some specific feature to your application.</p> <p>The book first covers creating various types of Windows applications available for the OGRE developer, creating plugins for customization, and OGRE resources management. You will then learn to efficiently implement various input methods for OGRE applications followed by managing scenes and objects impressively. Lights, special effects, and materials that provide enhancing effects are covered next. Further, character motion and collision detection are included followed by animations and multimedia, which help in producing a thorough professional look. Finally, we wrap it up with scene queries and views.</p> <p><i>OGRE 3D 1.7 Application Development Cookbook</i> provides a great reference for your OGRE 3D application development needs and helps you to deliver impressive results more quickly and with greater ease.</p>

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OGRE 3D 1.7 Application Development Cookbook
Ilya Grinblat | Alex Peterson
May, 2012 | 306 pages
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Table of Contents (15 chapters)
OGRE 3D 1.7 Application Development Cookbook
OGRE 3D 1.7 Application Development Cookbook
Credits
Credits
About the Authors
About the Authors
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Delving Deep into Application Design
Delving Deep into Application Design
Introduction
Creating a Win32 Ogre application
Creating an MFC Ogre application
Creating an MFC Ogre application with a ribbon
Creating a Windows Forms Ogre application
Creating an Ogre plugin
Creating a custom resource manager
2
Let Us Be Multimodal
Let Us Be Multimodal
Introduction
Using the keyboard input to navigate an Ogre scene
Using the mouse input to navigate an Ogre scene
Using voice input with static grammar
Using voice input with dynamic grammar
Using text-to-speech to make the application speak
3
Managing Objects and Scenes
Managing Objects and Scenes
Introduction
Creating terrain from a LandXML file
Creating Delaunay triangulation
Creating manual objects
Creating parametric superellipsoids
Adding meshes on terrain
Adding trees as billboards
Creating and editing a scene
Saving a scene to an XML file
Loading a scene from an XML file
4
Let There Be Light
Let There Be Light
Introduction
Creating weather controls
Creating lights
Creating dynamic effects
Managing particle system
Managing shadows
5
Playing with Materials
Playing with Materials
Introduction
Using geoimages as terrain textures
Creating transparent materials
Creating dynamic textures
Creating movable text
2D image manipulation
6
Learning to Move
Learning to Move
Introduction
Walking between points
Walking along a path
Collision detection
Converting a 2D path into a 3D path
Walking on terrain
Linked movement
7
Implementing Animations
Implementing Animations
Introduction
Creating skeletal animations
Creating morph animations
Creating pose animations
Creating SceneNode animations
Creating numeric value animations
Creating linked animation
Animation using controllers
Creating linked controllers
Blending animations
Creating animated light
8
Flashy Multimedia
Flashy Multimedia
Introduction
Render to texture
Creating a mirror
Creating a video
Using sounds
Using voice
Video to texture
9
Queries and Views
Queries and Views
Introduction
Predefined views
Zoom management
Zooming to a selected object
Orbiting an object
Selecting objects
Object visibility

Orbiting an object

Being able to constrain the camera so that it rotates about an object is very useful and saves time when you wish to view or manipulate the object from various perspectives. Orbiting is a technique in which the user drags the mouse to move the camera at a fixed distance about a point, while keeping the camera focused on the point. In this recipe, we'll show you how to implement tools for orbiting and for constraining the orbit to a single axis.

Getting ready

To follow this recipe, open the solution located in the Recipes/Chapter09 folder in the code bundle available on the Packt website.

How to do it...

  1. 1. First, create a new Ogre MFC Ribbon application named OrbitView by following the Creating an MFC Ogre application with a Ribbon recipe from Chapter 1.

  2. 2. In COrbitViewView::EngineSetup(), create a robot entity, add it to the scene, and make the camera look at the center of the robot. 

    Ogre::Entity *RobotEntity = m_SceneManager->
  createEntity("Robot", "robot.mesh");...
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