Chapter 26: Controlling the Viewpoint
Table Of Contents
Chapter 26: Controlling the Viewpoint
Understanding the Viewpoint Field of View
Figure 26.1
Two viewing-volume frustrums: one with a narrow field of view and one with a normal field of view.
Understanding Viewpoint Binding
Switching between Viewpoints
Understanding Navigation Information
Figure 26.2
An avatar with width, height, and step height indicated.
Figure 26.3
Two viewing-volume frustrums: one with normal near- and far-visibility limits and one with the near limit moved farther away and the far limit moved closer.
Understanding Navigation Binding
Using Viewpoints and Navigation Information Together
The Viewpoint Node Syntax
The NavigationInfo Node Syntax
Experimenting with Viewpoints and Navigation Information
Building a Test Environment
Figure 26.4
A viewpoint positioned at the entrance to the dungeon.
Figure 26.5
A viewpoint positioned at the right wall and turned to look toward the doorway.
Controlling the Field of View of the Viewpoint
Figure 26.6a
A viewpoint with a 90.0-degree field of view. Compare with Figure 26.6b.
Figure 26.6b
A viewpoint with a 120.0-degree field of view. Compare with Figure 26.6a.
Using Multiple Viewpoints
Figure 26.7
The dungeon with multiple viewpoints available.