#include "dist2cell_def.h"
#include "/opt/pixar/RenderManStudio-2.0.1-maya2008/lib/slim/include/pxslRemap.h"

surface
v_test(float Kd = 1,
Km = 0.05,
cellfreq = 5,
shape_rad = 0.5,
shape_freq = 8,
shape_amp = 1,
mindist = 10,
maxdist = 15,
bias = 0.5,
gain = 0.5;
string spacename = "shader")
{
color surfcolor = 1;
normal n = normalize(N);
//normal nf = faceforward(n, I);

float d = dist2cell(P, spacename, cellfreq);
/*
float rad = shape_rad;
if(d <= rad)
Oi = Os;
else
Oi = 0;
surfcolor = 1 - smoothstep(mindist, maxdist, length(I));

d = pxslFloatBias(bias, d);
d = pxslFloatGain(gain, d);

// Displacements
float hump = 1 - d;
P = P - hump * n * Km;
N = calculatenormal(P);
n = normalize(N); 

surfcolor = 1 - d;

color diffusecolor = Kd * diffuse(n);

Ci = Oi * Cs * surfcolor * diffusecolor;
}