# diffuse and specular illumination of multiple spheres

camera 
-80.0 60.0 40.0 
0.0 20.0 5.0 
15.0 1.0 
1.0 200.0 
0.0 
400 400

light -20.0 20.0 0.0 0.5 0.0
light  -100.0 200.0 50.0 0.7 0.0
ambient 0.4
background  0.4 0.2 0.2

output output2d.ppm

# red sphere
identity
scale 5.0 5.0 5.0
translate -5.0 5.0 5.0
sphere  0.8 0.2 0.2  none  0.7     0.3 15     0.0  0.0      0.0  0.0  0.0

# red sphere
identity
scale 5.0 5.0 5.0
translate -5.0 15.0 5.0
sphere  0.8 0.2 0.2  none  0.7     0.3 15     0.0  0.0      0.0  0.0  0.0

# red sphere
identity
scale 5.0 5.0 5.0
translate -5.0 25.0 5.0
sphere  0.8 0.2 0.2  none  0.7     0.3 15     0.0  0.0      0.0  0.0  0.0

# big green sphere
identity
scale 20.0 20.0 20.0
translate 20.0  20.0  0.0
sphere 0.3 0.8 0.5  none   0.4  0.5  4   0.0  0.0   0.0  0.0  0.0