// Exemplo de arquivo de descricao de cena para POV-ray
// Last edited on 2001-07-31 14:59:21 by stolfi 

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

background{ color rgb < 1, 1, 0 > }



light_source {
  < 40.00, 400.00, 800.00 >
  color rgb < 1.00, 1.00, 1.00 >
} 


  camera {
  location  <  40.0, 40.00, 50.00 >
  right     < -1.20, 0.00, 0.00 >
  up        <  0.00, 0.00, 0.90 >
  sky       <  0.00, 0.00, 1.00 >
  look_at   <  0.00, 0.00, 10.00 >
}

#declare tx_espelho =
  texture{
  pigment { rgb Gray }
  finish {
    ambient 0.05 diffuse 0.05
    reflection Gray
    specular 0.20 roughness 0.05
   }
 }
#declare A01 = <0,-10,15>;
#declare A02 = <-10,-10,15>;
#declare A03 = <-15,-10,5>;
#declare A04 = <-15,-10,0>;
#declare A05 = <0,10,15>;
#declare A06 = <-10,10,15>;
#declare A07 = <-15,10,5>;
#declare A08 = <-15,10,0>;
#declare A09 = <0,20,15>;
#declare A10 = <-10,20,15>;
#declare A11 = <-10,20,5>;
#declare A12 = <-10,20,0>;
#declare A13 = <0,30,0>;
#declare A14 = <0,30,0>;
#declare A15 = <0,30,0>;
#declare A16 = <0,30,0>;
      
#declare patchA = 
   bicubic_patch {
      type 1 flatness 0.0100 u_steps 5 v_steps 5,
       A01, A02, A03, A04,
       A05, A06, A07, A08,
       A09, A10, A11, A12,
       A13, A14, A15, A16
       texture {tx_espelho}
      }

#declare B01 = <-15,-30,0>;
#declare B02 = <-10,-30,10>;
#declare B03 = <-5,-30,25>;
#declare B04 = <0,-30,25>;
#declare B05 = <-15,-20,0>;
#declare B06 = <-10,-20,10>;
#declare B07 = <-5,-20,25>;
#declare B08 = <0,-20,25>;
#declare B09 = <-15,-15,0>;
#declare B10 = <-10,-15,10>;
#declare B11 = <-5,-15,25>;
#declare B12 = <-0,-15,25>;

#declare patchB = 
   bicubic_patch {
      type 1 flatness 0.0100 u_steps 4 v_steps 4,
       B01, B02, B03, B04,
       B05, B06, B07, B08,
       B09, B10, B11, B12,
       A04, A03, A02, A01
       texture {tx_espelho}
      }

object { patchA}
object { patchA scale <-1,1,1>}
object { patchB}
object { patchB scale <-1,1,1>}
plane {z,0
 translate <0,0,-30>
 texture { pigment { checker color Blue, color Gray } scale 5 }
}
plane {-z,0
 translate <0,0,30>
 texture { pigment { checker color Yellow, color Orange } scale 5 }
 scale 1000
}