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00024 #include "bluepaint.h"
00025 #include "bxdf.h"
00026 #include "lafortune.h"
00027 #include "paramset.h"
00028
00029 using namespace lux;
00030
00031
00032 BSDF *BluePaint::GetBSDF(const DifferentialGeometry &dgGeom, const DifferentialGeometry &dgShading) const {
00033
00034 static float diffuse[3] = { 0.3094f, 0.39667f, 0.70837f };
00035 static float xy0[3] = { 0.870567f, 0.857255f, 0.670982f };
00036 static float z0[3] = { 0.803624f, 0.774290f, 0.586674f };
00037 static float e0[3] = { 21.820103f, 18.597755f, 7.472717f };
00038 static float xy1[3] = { -0.451218f, -0.406681f, -0.477976f };
00039 static float z1[3] = { 0.023123f, 0.017625f, 0.227295f };
00040 static float e1[3] = { 2.774499f, 2.581499f, 3.677653f };
00041 static float xy2[3] = { -1.031545f, -1.029426f, -1.026588f };
00042 static float z2[3] = { 0.706734f, 0.696530f, 0.687715f };
00043 static float e2[3] = { 66.899060f, 63.767912f, 57.489181f };
00044 static SWCSpectrum xy[3] = { SWCSpectrum(Spectrum(xy0)), SWCSpectrum(Spectrum(xy1)), SWCSpectrum(Spectrum(xy2)) };
00045 static SWCSpectrum z[3] = { SWCSpectrum(Spectrum(z0)), SWCSpectrum(Spectrum(z1)), SWCSpectrum(Spectrum(z2)) };
00046 static SWCSpectrum e[3] = { SWCSpectrum(Spectrum(e0)), SWCSpectrum(Spectrum(e1)), SWCSpectrum(Spectrum(e2)) };
00047
00048 DifferentialGeometry dgs;
00049 if (bumpMap)
00050 Bump(bumpMap, dgGeom, dgShading, &dgs);
00051 else
00052 dgs = dgShading;
00053 BSDF *bsdf = BSDF_ALLOC( BSDF)(dgs, dgGeom.nn);
00054 bsdf->Add(BSDF_ALLOC( Lafortune)(Spectrum(diffuse), 3, xy, xy, z, e,
00055 BxDFType(BSDF_REFLECTION | BSDF_DIFFUSE)));
00056 return bsdf;
00057 }
00058 Material* BluePaint::CreateMaterial(const Transform &xform,
00059 const TextureParams &mp) {
00060 boost::shared_ptr<Texture<float> > bumpMap = mp.GetFloatTexture("bumpmap", 0.f);
00061 return new BluePaint(bumpMap);
00062 }