//以下為知難行易的第二個材質的部分程式(紅-白的大理石)
//     Four chinese words KNOW

surf {
        texture {
                pattern spherical
                turb {
                        terms 7
                        amp 6
                     }
                blend .8
                radius 1.6
                radius 3.5
                surf { diff .38 .07 0 shine 50 white }
                surf { diff .8 .8 .8  shine 50 white }
               }
    }
//=============================================================