light-cone.ac light spot LightSrcLeft Cone 0 0 0 -1 0 0 0.03 0.03 0.03 1.0 0.7 0.7 0.6 1.0 0.7 0.7 0.7 1.0 1.0 0.002 0.00005 30.0 15 700 700 select /sim/rendering/rembrandt/enabled