Chapter 11: Grouping

Understanding Grouping

Basic Groups

Switch Groups

Transform Groups

Billboard Groups

Bounding Boxes

The Group Node Syntax

The Switch Node Syntax

The Transform Node Syntax

The Billboard Node Syntax

Experimenting with Grouping

Switching between Shapes

Figure 11.1a


Three versions of a cafe sign within a Switch node with the whichChoice field set to 0. Compare with Figures 11.1b and c.

Figure 11.1b


Three versions of a cafe sign within a Switch node with the whichChoice field set to 1. Compare with Figures 11.1a and c.

Figure 11.1c


Three versions of a cafe sign within a Switch node with the whichChoice field set to 2. Compare with Figures 11.1a and b.

Creating Billboard Groups

Figure 11.2


A cafÄ sign within a billboard group.

Using Bounding Boxes

Figure 11.3


A group of shapes within a bounding box.

Figure 11.4


Two transformed groups of shapes, each with its own bounding box.

Summary