By Gregory Junker
Pro OGRE 3D Programming is your precise advisor to using the OGRE 3D engine, one of many best-in-breed 3D rendering libraries to be had. You'll study what OGRE is, and extra importantly, what it isn't. OGRE provides an object-oriented interface to render 3D scenes self sufficient of the implementation, corresponding to Direct3D or OpenGL. OGRE is offered on home windows, Mac OS X, and Linux. it may be applied to create numerous 3D-based functions and is often utilized in video game creation.
This booklet covers OGRE from acquiring the resource to sprucing the ultimate product. when you are an aspiring online game programmer with beginner/intermediate-level wisdom of online game layout practices and intermediate-level wisdom of the C++ language, this can be the e-book for you. Familiarity with open resource venture administration instruments equivalent to CVS and Subversion also will assist you to digest the fabric. incorporated with the booklet is a ready-to-use software Toolkit category library valuable for jumpstarting OGRE-based courses. You'll additionally locate dialogue of OGRE's services from the point of view of a content material author, not only a programmer.
The content material of this e-book was once reviewed sooner than book through Steve Streeting, founder and lead developer of the OGRE 3D project.
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Extra info for Pro OGRE 3D Programming
2, you will want to change to the Revision tab and enter v1-2 in the Choose Branch or Tag field, as in Figure 2-16. qxd 32 8/24/06 3:44 PM Page 32 CHAPTER 2 ■ CAPTURING THE BEAST Figure 2-15. Setting up a CVSROOT for code checkout Figure 2-16. qxd 8/24/06 3:44 PM Page 33 CHAPTER 2 ■ CAPTURING THE BEAST Click OK. If you are lucky (or not doing this on a weekend), you will see the checkout begin as in Figure 2-17. Figure 2-17. TortoiseCVS status window during Ogre code checkout If you are unlucky, you may have to repeat this step several times before SourceForge CVS lets you connect (it is enormously congested on weekends).
If you have decided to try another distribution, you undoubtedly will know how to identify and install any packages your system may need to build Ogre (as you will discover, it’s a startlingly small number of packages you may need to obtain). I also will use YUM, which is the command-line package maintenance system for Fedora Core. If you are not on a YUM- or RPM-based system, follow the instructions for your particular distribution to obtain whatever software or package you may need. Graphics Drivers The last thing to know about before we start is the graphics drivers.
Relationship between the scene graph structure and content management objects in Ogre All of this geometry and these rendering properties are made available to the scene graph via MovableObject. Instead of subclassing the movable object from a scene node, it is attached to the scene node. This means that scene nodes can exist without anything renderable actually attached to them, if your application has a need for that. It also means that extending, changing, refactoring, or otherwise altering the scene graph implementation has no impact on the design and implementation of the implementation and interface of the content objects; they are entirely independent of the scene graph.