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Contents
4. Scene Graph Nodes 55
What Is a Node 56
Node Types 56
Leaf Nodes 57
csShape 57
Group Nodes 58
Group Node Types 58
Using csSwitch to Switch Between Nodes 59
Using csBillboard 60
Setting the Values in Scene Graph Nodes 61
Using set() and get() Methods to Set and Get Single-Value Fields 61
Using Tokens to Set and Get Single-Value Fields 62
Using set() and get() Methods to Set and Get Multiple-Value Fields 62
Using Tokens to Set and Get Multiple-Value Fields 63
5. Building a Scene Graph 65
Creating Scene Graphs 66
Root Node 66
Applying Actions to Multiple Root Nodes 67
Creating A Sample Scene Graph 68
Diagramming Scene Graphs 69
Scene Graph Diagrams At A Glance 69
Altering Scene Graphs 73
Loading a VRML Scene Graph 74
Saving Scene Graphs 75
Troubleshooting Scene Graph Construction 75
6. Placing Shapes in a Scene 77
Creating a Sense of Depth 77
Overriding the Default Order of Layering Shapes 78
