8 6 world x and y dims 4 3 3 viewpoint (x, y, z) 11 sphere 9 1 -4.0 center 2 radius 0.0 4.0 0.0 amb, diffuse, spec 11 sphere -1 1 -4.0 center 2 radius 0.0 4.0 0.0 amb, diffuse, spec 12 plane 0.0 1.0 0.0 normal 1.0 -2.0 0.0 point 0.0 4.0 0.0 amb, diffuse, spec 12 plane 0.0 0.0 1.0 normal 0.0 0.0 -8.0 point 0.0 7.0 0.6 amb, diffuse, spec 10 light 4 5 4 location 1 radius 8 10 light 4 16 -7 location 0.5 radius 10