Graphics Programs Reference
In-Depth Information
How it works...
Even if at first glance, this material can look quite complex, basically we just mixed,
with different blend types and iterations, three procedural textures. This process is
better understood if it's divided into four separate stages, which are as follows:
• The first stage, from step 2 to step 16, in which we built a "first bump"
pattern.
• The second stage, from step 18 to step 23, where we added a second
bump pattern to increase the detail in the material, and then (step 23)
where we multiplied it to the first bump.
• The third stage, from step 25 to step 30, where we built a color pattern by
mixing two differently colored
Diffuse
shaders on the ground of the bump
output as factor for the blending, in addition to building a
Glossy
shader
to add specularity.
• In the last three steps, we just added an
RGB to BW
converter to trans-
form the colored data to black and white data, which is more suitable for
bump effects, and we then classified the bump effects as per their shader,
to give different strength values to each one.
