Game Development Reference
In-Depth Information
Roughen Edges effect, well. .. roughens edges. But, this comes in
so very handy, as we'll see.
It's important to realize what happens behind the scenes with
this effect. It distorts the edges of a layer (or sometimes its con-
tents, depending on your settings) using a fractal pattern, similar
to Fractal Noise (from Chapter 12). Because of this, the Roughen
Edges effect has many important parameters (such as Complexity
and Evolution) that are similar to Fractal Noise and other effects
like it.
Open the Roughen Edges.aep project from the Chapter 17
folder of the exercise fi les. First, we'll start in the Roughen Edges
comp, which contains some text on a shape layer (Fig. 17.56).
Figure 17.56 The Roughen Edges
comp.
Apply the Roughen Edges effect to the GINGIVITIS Outlines
layer (the text). Instantly after applying the Roughen Edges effect,
you can see the result on the text. The text already seems to have
more life and character, even without changing any parameters
or animating anything! This plain, boring font has transformed
into creepy text, befi tting a dreaded gum disease (Fig. 17.57).
Increasing the Border value probably has the most signifi cant
results. The Border value determines how many pixels the rough-
ened edges get to dig into the layer. Even moving the Border value
from 8 to 15 causes a sharp change (Fig. 17.58).
At the very top of the effect in the Effect Controls panel, you'll
notice an Edge Type drop down. This specifi es how the edges
are roughened. There are many options here worth exploring.
You can select Roughen Color, for example, which uses the Edge
Color value as part of the roughening. This creates a realistic rust
effect with the default color value. But you could also use this to
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