8 6 world x and y dims 4 3 3 viewpoint (x, y, z) 11 sphere 0.0 0.0 0.0 amb, diffuse, spec 1.4 3.6 3.6 amb, diffuse, spec 0.0 0.0 0.0 amb, diffuse, spec 4 4 -4.0 center 4 radius 12 plane 0.0 0.0 0.0 amb, diffuse, spec 3.0 3.0 3.0 amb, diffuse, spec 1.0 1.0 1.0 amb, diffuse, spec 0 1 0 normal 0 0 0 center 10 light 4 4 4 emissivity 4 3 5 center 1 radius 10 light 4 4 4 emissivity 0 0 1 center 1 radius 10 light 4 4 4 emissivity 8 0 1 center 1 radius 10 light 6 6 6 emissivity 4 14 -4 center 1 radius