antialias

0.8 0.2 0.2 point /red
0.2 0.8 0.2 point /green
0.2 0.2 0.8 point /blue

{ { /u /v /face color
  0.8 0.8 30.0 } sphere 0.75 uscale } /s1

{ /u /v /face blue
  0.8 0.8 30.0 } sphere 0.75 uscale /s2

red /color
s1 apply -1.2  0.6 3.5 translate 
green /color
s1 apply  1.2  0.6 3.5 translate union
s2 0.0  -1.2 3.5 translate union 

{ /u /v /face 0.2 0.2 0.2 point
  0.6 0.6 30.0 } plane

90.0 rotatex 8.5 8.5 8.5 translate 

  union /scene

0.0 0.0 3.5 point
1.0 1.0 1.0 point pointlight /l1

0.3 0.3 0.3 point % ambient light
[ l1 ]            % light source array
scene             % scene to render
1                 % tracing depth
45.0              % field of view
1024 768           % image width and height
"pointlight.ppm"     % output file
render