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3D BASICS

Using 3D worlds and models is almost completely different than the 2D graphics space that Director developers are used to. To really be able to use the new Director 8.5 3D capabilities, it will help to understand the basics of 3D computer graphics.

The Third Dimension

The three dimensions of 3D are horizontal distance, vertical distance and depth. These are also referred to with the letters x, y and z. Locations of objects in a 3D world can be specified by x, y and z coordinates just as locations in a 2D space can be defined by horizontal and vertical, or x and y, coordinates. Figure 38.1 shows you how to think of this three-coordinate system.


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