global_settings{radiosity{}}#macro S(X,Z,I,R)sor{6<5,0><8,1><12,20><5,30><6,31><7,32>open translate}#if(I)S(rand(R)*400-200X,I-1R)#end#end union{S(0,0,60seed(7))plane{y,-40}pigment{rgb<1,.6>}normal{bumps.1}rotate-20*x}light_source{x*99,2}