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Contents
xi
Transforming Shapes to New Locations, Sizes, and Orientations 79
Placing Transform Nodes 79
Setting the Transformation 80
Ordering Transformations 81
Placing Geometries in World Space 82
Cosmo 3D Matrices 82
7. Traversing the Scene Graph 83
Scene Graph Actions 83
Action Types 84
csAction 84
Rendering the Scene 85
Playing Sound Files 86
The Order In Which Actions Are Passed Between Nodes 86
Top-Down Traversals 86
8. Lighting and Fog 89
Using Lights in Scenes 89
csLight 90
csDirectionalLight 90
csSpotLight 91
csPointLight 91
Limiting the Scope of Lights 92
The Scope of the Light Array 92
csEnvironment Methods 92
Using Fog in Scenes 93
Uses of Fog in Cosmo 3D Applications 93
How to Use Fog in Cosmo 3D Applications 94
Enabling Fog 94
How to Use Fog 95
9. Viewing the Scene 97
Setting the Screen Display of the Scene 97
Using a Camera to View a Scene 98
csCamera 99