// EXERCICIO 7 - Cidade / predio
// By Daniel Salles de Araujo 16 Nov 2000

//#include "glass.inc"
#include "colors.inc"
//#include "metals.inc"
#include "textures.inc"

background{ color Black}

light_source {
  < 10.00, 10.00, 10.00 >
  color rgb < 1.00, 1.00, 1.00 >
} 

light_source {
  < -10.0, 10.00, 10.00 >
  color rgb < 1.00, 1.00, 1.00 >
}

camera {
  location  < 12.00, 12.00, 12.00 >
  look_at   < 0.00, 5.00, 5.00 >
}

#declare azul= 
texture { pigment { Blue } finish { phong 1 metallic } }

#declare cinza2=
texture { pigment { Gray10 } finish { metallic } }

#declare luz=
texture {pigment { White } finish { phong 1 } }

#declare cinza=
texture {pigment { Gray30 } finish { phong 1 } }

#declare g=seed(pi);

#declare r=int(10*rand(g))+4; //frente
#declare n=int(10*rand(g)); //altura
#declare j=1; //lado - Ainda nao funciona

#declare porta=
union {
 prism {
  linear_spline
  0, 0.5, 4,
  <0,0>, <1,0>, <0,1>, <0,0>
  texture {cinza2}
  rotate <90, 0, -45>
  translate <0.5, 2.5, -0.25>
 }
 cylinder {
  <0.2, 0.0, 0.0 >, <0.2, 2.0, 0.0>, 0.1 open
  texture {cinza2}
 }
 cylinder {
  <0.8, 0.0, 0.0 >, <0.8, 2.0, 0.0>, 0.1 open
  texture {cinza2}
 }
}

//variaveis contadoras
#declare m=0;

//Caixa basica do predio. Falta teto
box {
  <0,0,0>
  <j*1.5, 2.0+(n*1.2), 1.5+(r*1.0)>
  texture {cinza}
}

//Janelas acesas e apagadas
#while (m<n)
 #declare i=0;
 #while (i<r)
  box {
    <1.55, 2.6+m, 1+i>
    <-0.05, 3.1+m, 1.9+i>
    #if  (rand(g) < 0.75)
    texture {azul}
    #else
    texture {luz}
    #end
  }
  #declare i=i+1;
 #end
 #declare m=m+1;
#end

// Coloca a porta na frente do predio
object {
  porta
  rotate <0, -90, 0>
  translate <1.5,0,0.6*r> 
}