This Renderman shader applies a U. S. flag texture to a surface.
The star algorithm is from Peachey's "Textures and Modeling, A Procedural Approach", published by Academic Press.
The user can control the usual parameters for plastic shading.
Parameter |
Data Type |
Usage |
Example |
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fuzz |
float 0.0 to 1.0 |
Color blending width |
fuzz = 0.2 |
Ka |
float 0.0 to 1.0 |
ambient lighting value |
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Kd |
float 0.0 to 1.0 |
diffuse lighting value |
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Ks |
float 0.0 to 1.0 |
specular lighting value |
|
roughness |
float |
Used with the plastic shading method |
|
specular_color |
color |
Used with the plastic shading method |
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View the usa_flag shader source
Download the usa_flag package for Presenter 3D
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