struct Material
{
    float ambient[3];
    float diffuse[3];
    float specular[3];
    float transmittance[3];
    float emission[3];
    float shininess;
    float ior;

    void init_arr(float dst_arr[], float src_arr[]) {
        dst_arr[0] = src_arr[0];
        dst_arr[1] = src_arr[1];
        dst_arr[2] = src_arr[2];
    }

    Material(){}

    Material(float amb[], float diff[], float spec[], float trans[], float emis[],
                 float sh, float _ior):shininess(sh), ior(_ior) {
       init_arr(ambient, amb);
       init_arr(diffuse, diff);
       init_arr(specular, spec);
       init_arr(emission, emis);
       init_arr(transmittance, trans);
    }
};