Function GenerateSGFittedIrradianceTable

BakingLab/BakingLab.cpp:963–984

}

static void GenerateSGFittedIrradianceTable(float sharpness, const wchar* filePath)
{
    std::string output;

    SG sgLight;
    sgLight.Amplitude = 1.0f;
    sgLight.Axis = Float3(0.0f, 0.0f, 1.0f);
    sgLight.Sharpness = sharpness;

    const uint64 NumPoints = 50;
    for(uint64 pointIdx = 0; pointIdx < NumPoints; ++pointIdx)
    {
        float theta = Pi * pointIdx / (NumPoints - 1.0f);
        Float3 normal = Float3(std::sin(theta), 0.0f, std::cos(theta));

        float irradiance = SGIrradianceFitted(sgLight, normal).x;

        output += MakeAnsiString("%f,%f\n", theta, irradiance);
    }

    WriteStringAsFile(filePath, output);
}

int APIENTRY wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPWSTR lpCmdLine, int nCmdShow)
{