3D for iPhone® Apps with Blender and SIO2: Your Guide to Creating 3D Games and More with Open-Source Software

Chapter 5. Extending Interactive Feedback with Picking and Text

In this chapter, you'll pick up from where you left off with the previous chapter and explore several more ways of adding interactivity to your application. You'll begin by taking an in-depth look at how SIO2 enables you to easily implement 3D picking so the user can select objects simply by touching the screen. After you've seen how to incorporate picking into your Hello3DWorld application, you'll learn how to implement text-based feedback on the iPhone screen. Finally, you'll see how to package your application with its own name and icon.

• Object picking

• Working with text and fonts

• Using multi-touch functionality

• Packaging your app

• The Complete Code

Object Picking

The word picking refers ...