Game Development Reference
In-Depth Information
Figure 2.16 The result of
adjusting the Focal Bias and Focal
Plane values.
will ignore everything else close to them, instead focusing on the
objects in focus (Fig. 2.17).
This illustrates one of the great advantages of using the 3D
channel information with the Depth of Field effect, rather than
trying to recreate this look with masks and other blur effects.
With the Depth of Field effect, we can animate the Focal Plane
property to shift viewer focus. You can't do that with masks.
Depth of fi eld is a really powerful storytelling tool in video. It
makes this effect one of the best reasons to use 3D fi les with 3D
channel data.
Figure 2.17 The eyes are
naturally drawn to objects in
focus, even if those objects are in
the distance.
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