camera
{
  location  <15.0 , 15.0 ,-10.0>
  look_at   <5.0 ,  5.0 , 5.0>
}

#declare x_count = 0;
#declare y_count = 0;
#declare z_count = 0;

#declare x_amount = 10;
#declare y_amount = 10;
#declare z_amount = 10;

#declare cubelength = 9/10;

#while (z_count < z_amount)
  #while (y_count < y_amount)
    #while (x_count < x_amount)
      box
      {
        <0,0,0>,<1,1,1>
        hollow
        texture  { pigment { color rgbt 1 } }
        interior { media { 
                         emission <x_count/x_amount, y_count/y_amount, 1-(z_count/z_amount)>*.75
                         }
                 }
        scale cubelength
        translate <x_count,y_count,z_count>
      }
    #declare x_count = x_count + 1;
    #end
  #declare x_count = 0;
  #declare y_count = y_count + 1;
  #end
#declare x_count = 0;
#declare y_count = 0;
#declare z_count = z_count + 1;
#end