Graphics Programs Reference
In-Depth Information
5. Connect the
Object
output of the
Texture Coordinate
node to the
Vector
input of the
Mapping
node, then the output of this one to the
Vector
input
of the
Voronoi Texture
node.
6. Set the
Voronoi Texture
node
Scale
to
25.000
. Add an
RGB to BW
node (press
Shift
+
A
and go to
Convertor
|
RGB to BW
) and a
Math
node (
Shift
+
A
and go to
Convertor
|
Math
); connect the
Voronoi Tex-
ture
node's
Color
output to the
RGB to BW
node and this one to the first
Value
input of the
Math
node.
7. Set the
Math
node operation to
Multiply
and the second
Value
to
-0.150
; connect its
Value
output to the
Displacement
input socket of
the
Material Output
node.
How it works...
You have probably noticed that this recipe is simply a variation of the generic plastic
shader. We changed the
Color
to white and, instead of the
Noise Texture
node, we
used a
Voronoi Texture
node with a different
Scale
to add the typical polystyrene
pattern; then, by increasing the
Roughness
value of the
Glossy
shader, we made
the specularity more diffused.
