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- /* Custom Rhino painted plastic shader based on standard painted plastic shader.
- * A custom name is used to make sure Rhino always finds it.
- *
- *
- *
- *
- * paintedplastic.sl - Standard texture map surface for RenderMan Interface.
- * (c) Copyright 1988, Pixar.
- *
- * The RenderMan (R) Interface Procedures and RIB Protocol are:
- * Copyright 1988, 1989, Pixar. All rights reserved.
- * RenderMan (R) is a registered trademark of Pixar.
- *
- * DESCRIPTION:
- * Apply a texture map to a plastic surface, indexing the texture
- * by the s,t parameters of the surface.
- *
- * PARAMETERS:
- * Ka, Kd, Ks, roughness, specularcolor - the usual meaning.
- * texturename - the name of the texture file.
- *
- */
-
-
- surface
- rh_paintedplastic ( float Ka = 1, Kd = .5, Ks = .5, roughness = .1;
- color specularcolor = 1;
- string texturename = ""; )
- {
- normal Nf;
- vector V;
- color Ct;
-
- if (texturename != "")
- Ct = color texture (texturename);
- else Ct = 1;
-
- Nf = faceforward (normalize(N),I);
- V = -normalize(I);
- Oi = Os;
- Ci = Os * ( Cs * Ct * (Ka*ambient() + Kd*diffuse(Nf)) +
- specularcolor * Ks*specular(Nf,V,roughness));
- }
-