13 3D Space
Adding depth to your animations by mastering Z space
One of the most important features in After Effects is the ability to move in 3D space. Layers do not need to be restricted to the left/right, up/down motions of the X and Y axes; they can also move closer or farther along the Z axis (think of a line extending from your computer monitor to your eyes), which relates to how close a layer is to you. This allows more for natural scaling, multiplaning, perspective changes, and depth sorting of layers – as well as 3D tumbles and rotations. 3D space extends to the use of cameras and lights, meaning graphic designers can build virtual sets, light them, and fly around them.
After Effects has implemented 3D space in a very flexible manner. ...
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