camera cam1
{
  pixeldim  640 480
  worlddim  8 6
  viewpoint 4 3 4
}

material gray
{
   diffuse 7  7 7

}

plane floor
{
   material gray
   normal 0 1 0
   point  0 0 0
}

light ceiling
{
   emissivity 5 3 3
   location 4 8 -4
}

light front
{
   emissivity 3 3 3
   location 4 8  2
}

material red
{
   diffuse 4.0 1.5 1.5
}

sphere shadowmaker
{
   material red
   center  4 3 -4
   radius 1.5
}