/*	paintedplastic surface shader
 *
 * 	Pixie is:
 * 	(c) Copyright 1999-2003 Okan Arikan. All rights reserved.
 */

surface paintedplastic ( float Ka = 1, Kd = .5, Ks = .5, roughness = .1;
                         color specularcolor = 1;
                         string texturename = ""; ) {
    Ci = Cs;
    if (texturename != "")
	Ci *= color texture (texturename);

    normal Nf = faceforward (normalize(N),I);
    Ci = Ci * (Ka*ambient() + Kd*diffuse(Nf)) + specularcolor * Ks*specular(Nf,-normalize(I),roughness);
    Oi = Os;  Ci *= Oi;
}