eye  0 0 5
imsize 512 512
viewdir  0 0 -1
updir  0 1 0
hfov 60


bkgcolor 0.7 0.7 0.7 1

light -3 15 10 1 0.5

mtlcolor 0.2 1 0.2 1 1 1 0.2 0.6 0.0 100 1.0 1.0
sphere -1.1 0 -4 1
mtlcolor 0.2 0.2 1 1 1 1 0.2 0.6 0.0 100 1.0 1.0
sphere 1.1 0 -4 1

mtlcolor 1 0 0 1 1 1 0.02 0.06 0.2 100 0.2 1.5
sphere 0 0 2 0.4