png 200 200 hw3rough.png

shininess 0.8
color 2 2 2
sun 0 1 1.2

roughness 0.005
sphere -2 0 -1 2
roughness 0.05
sphere 2 0 -1 2

shininess 0
roughness .2
color 0.5 0.4 0.3
sphere 0 -0.2 -.3 .1