#include "colors.inc"

  background { color rgb <.6,.6,1> }

  camera {
    location <-24,4,-30>
    look_at <.3,5,1>
    angle 35
  }

  plane { y,0
    texture {
      pigment { Silver }
      finish { reflection .35 specular 1 }
      normal { ripples .35 turbulence .5 scale .25 }
    }
  }

  light_source { <200,2000,-2000> White }

  # declare g = seed (pi);
  # declare n = 5//int(rand(g) * 10); 
  # declare r = 5//int(rand(g) * 10); 
  # declare s = 5//int(rand(g) * 10); 
  # declare predio = 
         box {
         <0,0,0>,
         <(2*r) ,1 + (2 * (n+1)),(2*s)>
         pigment { White }
         }
      # declare xi = 1;
      # declare yi = 2;
      # declare zi = 1;

  # declare janela = //Tamanho fixo (1x1) - Posiçao varia
    box {
      <-0.5  ,0,-0.001>,
      <.5  ,1,-0.001 >
      pigment { Black }
   }
  # declare janela_lat = 
    box {
      <-.001  ,0,-.5>,
      <-.001  ,1,.5 >
      pigment { Black }
   }
  # declare porta = //Posiçao varia de acordo com o nro de janelas frontais (r)
    box {
      <r - .6,0,-0.001>,
      <r + .6,1.6,-0.001>
      pigment { Black }
   }
object {predio}
object {porta}

	#while (yi < n + 2) //do 2nd ao ultimo andar
		#while (xi < r + 1) // desenhamos todas as janelas frontais
			object {janela  translate < (2*xi) - 1  ,(2*yi) - 1,0>}
                        #declare xi = xi + 1;
		#end
		#while (zi < s + 1)
		 object {janela_lat translate <0, (2*yi) - 1, (2*zi) -1>}
	object {janela_lat translate <(2*r) + 0.002, (2*yi) - 1,(2*zi) -1>} 
		#declare zi = zi + 1;
		#end
		#declare zi = 1 ;
 		#declare xi = 1 ;//zeramos o x, voltando p/ a primeira janela
		#declare yi = yi + 1; // prox. andar
	#end