public GeometricPrimitive(IShape shape, IMaterial material, AreaLight areaLight)
{
this.Shape = shape;
this.Material = material;
this.areaLight = areaLight;
}
public MixedMaterial(IMaterial mat1, IMaterial mat2, ITexture<Spectrum> sc)
{
m1 = mat1;
m2 = mat2;
scale = sc;
}