#include "colors.inc"
#include "shapes.inc"
#include "glass.inc"
#include "textures.inc"

background { Gray }

camera {
//   angle 55
    location <30,30,-30>
    look_at <5,5,5>
  }
  
light_source { <130, 140,-150> White}

//plane {y,-1.5
//    pigment {checker Red, White}
//  }

#declare i = 1;
#declare g = seed(pi);
#declare altura = seed(pi);
#declare n = 15;
#declare r = 3;
#declare s = 2;
 

union { 
   #while (i < n)
      #if (rand(g)<0.5)
	union {
     	box { <0,i,0>, <15,i+3,10>
	texture {pigment {color rgb<1,0,0>}} }
	
	#declare r = 4
	#while (r < 12)
	   box{ <r,i+0.5,-0.3>,<r + 1.5,i+2.5,0.2>
	   texture {pigment {color rgb<0,1,0>}} }
	#declare r = r + 3
	#end
  	    } 
      #end
      #declare i=i+1.5;
   #end
      }