public MatMatte(Vector3 Ca, Vector3 Cd, float Ka = 0.25f, float Kd = 0.75f)
{
ambientBRDF = new BRDFlambertain(Ka, Ca);
diffuseBRDF = new BRDFlambertain(Kd, Cd);
}
public MatPhong(float ka, float kd, float ks, Vector3 ca, Vector3 cd, Vector3 cs, float exp = 1.0f)
{
m_specularBRDF = new BRDFGlossySpecular(ks, cs, exp);
m_diffuseBRDF = new BRDFlambertain(kd, cd);
m_ambientBRDF = new BRDFlambertain(ka, ca);
}