Before we're ready to program some code for Papervision3D, we need to know a little bit more about 3D in Papervision3D. The following section is meant to give you a better understanding of the code that you will write later in this chapter. Each of these concepts relates directly to classes that are used by Papervision3D. Later in this chapter, these will be used to program your first application. All the object types that will be described are active elements in a 3D scene. Let's have a visualized look at all these objects:
![](https://static.packt-cdn.com/products/9781847195722/graphics/5722_02_04.jpg)