Game Development Reference
In-Depth Information
Figure 9.27 A halo created with
the Ellipse effect, topped off with
a Glow effect for a better result.
The Eyedropper Fill Effect
The Eyedropper Fill effect is like my nemesis. For the life of me,
I can't think of when I would ever want to use this option over
another effect (such as the much more powerful Paint Bucket,
discussed later in this chapter) for anything. This effect allows you
to sample a pixel's color (like the eyedropper in Photoshop), and
completely replace the current layer with that color. The diffi culty
is that you can't apply colors from another layer. There are very
few times when I think to myself “Hey, you know what this video
needs? To be completely replaced by a solid color!” Of course, you
can blend the results with other layers using blend modes. But,
why not just use a solid layer? Besides, a solid layer when com-
bined with the Fill effect and a sampleImage expression provides
a much more powerful way to sample the colors of another layer.
There are a couple of other features you ought to be aware of
should you slip and fall on your computer and accidentally apply
this effect. Selecting Maintain Original Alpha will fi ll the alpha
channel of the layer, instead of the boundaries of layers. The
Sample Point is where the effect gets its color from. And, Sample
Radius determines the number of pixels around the Sample Point
that are averaged to obtain the actual color. Reduce the value to
select the precise color of the pixel of the Sample Point. Increase
the value to raise the average color value of a given area.
The Fill Effect
The Fill effect might be more accurately named the Mask Fill
and Feather effect. It allows you to fi ll an individual mask with
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