3D Graphics Using OpenGL ES 2.0 - Beginning Android 3D Game Development - page 80

Chapter 4

3D Graphics Using OpenGL ES 2.0

In this chapter, we will take a look at 3D graphics for OpenGL ES 2.0 for Android. I first give you a
general overview of how OpenGL renders 3D objects. Next, I go into more detail on how this is done,
using matrix math, matrix transformations, and vertex and fragment shaders. I then offer a look at
the shader language used for the vertex and fragment shaders and give you a quick review of the
language and some examples.

Next, I cover the custom classes that demonstrate OpenGL ES 2.0 concepts that are essential to
rendering 3D graphics, which are the

 Shader class

 Camera class

 MeshEx class

 PointLight class

 Materials class

 Texture class

Overview of OpenGL ES 2.0 on Android
In this section, I first cover the general concepts behind rendering 3D objects in OpenGL. Then I get
into more specifics, involving the exact steps required to transform a 3D object from our 3D virtual
world to a 2D image on a flat screen.

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