pointbasedreflectionocclusion.sl

[index]

22th February 2009   5:59pm 39sec
/stuhome/vsfx419/shaders/pointbasedreflectionocclusion.sl

pTbase_reflect

 surface 
    pointbasedreflectionocclusion 
                    (string filename = "";
                         string hitsides = "both";
                      string distribution = "cosine";
                     float clamp = 1;
                     float maxdist = 1e15, falloff = 0, falloffmode = 0;
                     float coneangle = 0.2;
                     float maxsolidangle = 0.01;
                     float samplebase = 0.0; 
                     float bias = 0.0001; ) 
    {
        normal Nn = normalize(N);
        vector refl = reflect(I, Nn);
        float occ;
  
        occ = occlusion(P, refl, 0, "pointbased", 1, "filename", filename,
                        "hitsides", hitsides, "distribution", distribution,
                   "clamp", clamp,
                        "maxdist", maxdist, "falloff", falloff,
                "falloffmode", falloffmode,
                        "coneangle", coneangle,
                        "maxsolidangle", maxsolidangle,
                        "samplebase", samplebase, "bias", bias);
  
        Ci = 1 - occ;
        Ci *= Os;
        Oi = Os;
    }