attenuatedpointlight light1 void 0 -200 0 1 0 0 1000 attenuatedpointlight light2 void 0 0 -200 0 1 0 1000 attenuatedpointlight light3 void 0 200 0 0 0 1 1000 attenuatedpointlight light4 void 0 0 200 1 1 0 1000 attenuatedpointlight light5 void 0 0 0 0 1 1 1000 lambertian white void 1.0 1.0 1.0 plane p1 white 1000 0 0 -1 0 0 sphere s1 white 500 -200 -10 100