#include "colors.inc"
#include "textures.inc"


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

light_source {
  < 10.00, 06.00, 10.00 >
  color rgb < 1.00, 1.00, 1.00 >
} 

camera {
  location  < 15.00, 18.00, 12.00 >  
  right     < -1.00, 0.00, 0.00 >
  up        <  0.00, 0.00, 0.90 >
  sky       <  0.00, 0.00, 1.00 >
  look_at   <  0.00, 3.00, 0.00 >
} 


#declare chao = 
union {
   box {  <-1, -1, -0.01>, <3, 3, 0 >   
             pigment { color rgb < 0, 0, 0 > } 
       }
   box {  <-1, 5, -0.01>, <3, 8, 0 >   
             pigment { color rgb < 0, 0, 0 > } 
       }
   box {  <-1, 11, -0.01>, <3, 14, 0 >   
             pigment { color rgb < 0, 0, 0 > } 
       }
   box { < 5, -1, -0.01>, < 9, 3, 0 >
          pigment { color rgb < 0, 0, 0 > }
       }
   box { < 5, 5, -0.01>, < 9, 8, 0 >
          pigment { color rgb < 0, 0, 0 > }
       }
   box { < 5, 11, -0.01>, < 9, 14, 0 >
          pigment { color rgb < 0, 0, 0 > }
       }
}   

#declare ndepredios = 6;
#declare posicaoy = 0;
#declare g = seed(pi);
#declare altura = 1;

#while ( posicaoy < 13 )

#declare posicaox = 0;

#while ( posicaox < 8 )
 #declare randomico = 10*rand(g); 

union {
    box { <posicaox, posicaoy, 0>, <posicaox + 3,posicaoy + 2, 1>
                 pigment { color rgb < 1, 0, 0 > }          }
    box { < posicaox + 1.25, posicaoy + 2, 0 > 
          < posicaox + 1.75, posicaoy + 2.01, 0.75 >           
          pigment { color rgb < 0, 1, 0 > }
        }
    
    #while ( randomico > 0)
          #if ( rand(g) > 0.50 )
             box { 
                < posicaox + 0.25, posicaoy + 2.00, altura + 0.25 >
                < posicaox + 0.75, posicaoy + 2.01, altura + 0.75 >
                pigment { color rgb <0, 0, 1> }
             }
          #end 
          #if ( rand(g) > 0.50 )
             box { 
                < posicaox + 1.25, posicaoy + 2.00, altura + 0.25 >
                < posicaox + 1.75, posicaoy + 2.01, altura + 0.75 >
                pigment { color rgb <0, 0, 1> }
             }
          #end
          #if ( rand(g) > 0.50 )   
             box { 
                < posicaox + 2.25, posicaoy + 2.00, altura + 0.25 >
                < posicaox + 2.75, posicaoy + 2.01, altura + 0.75 >
                pigment { color rgb <0, 0, 1> }
             }
          #end
          #if ( rand(g) > 0.50 )
             box {
                < posicaox + 3.00, posicaoy + 0.25, altura + 0.25 >
                < posicaox + 3.01, posicaoy + 0.75, altura + 0.75 >
                pigment { color rgb < 0, 0, 1 > }
             }
          #end 
          #if ( rand(g) > 0.50 )
             box {
                < posicaox + 3.00, posicaoy + 1.25, altura + 0.25 >
                < posicaox + 3.01, posicaoy + 1.75, altura + 0.75 >
                pigment { color rgb < 0, 0, 1 > }
             }
          #end   
          box {
             <posicaox, posicaoy, altura> 
             <posicaox + 3, posicaoy + 2, altura + 1>   
             pigment { color rgb < 1, 0, 0 > } 
          }
       #declare altura = altura + 1;
       #declare randomico = randomico - 1;
   #end
}
#declare posicaox = posicaox + 6;
#end
#declare posicaoy = posicaoy + 5;
#end

// Aqui está a cena, finalmente:

object { chao }