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(A) Material property controls the reflectance properties of the surfaces, including choices of shiny, dull and metal. (B) The shading property controls the color shading for the surface, including choices of flat, faceted and interp. (C) The lighting property changes the lighting algorithm from flat, gouraud and phong. (D) The light direction determines where the light comes from, i.e., headlight, right or left.
