// Last edited on DATE TIME by stolfi
#include "colors.inc"
#include "textures.inc"
#include "dados.inc"

// ======================================================================

#declare ctr = < 0.00, 5.00, 3.50 >;
#declare camDir = (< 15.00, 0.00, 4.00 >) - (< 0.00, 5.00, 3.50 >);

camera {
  location   ctr + 1.00*camDir
  right      -0.80*x
  up         0.60*y
  sky        z
  look_at    ctr
}
 

// ======================================================================
// FONTES DE LUZ

light_source {
  10 * < 30.0, 18.0, 1.0 >              // Posição da lâmpada.
  color rgb 1.8 * < 1.00, 1.00, 1.00 >   // Intensidade e corda luz.
} 

light_source {
  10 * < 20.0, -20.0, +10.0 >             // Posição da lâmpada.
  color rgb 0.8 * < 1.00, 1.00, 1.00 >   // Intensidade e corda luz.
} 


// ======================================================================
// DESCRIÇÃO DA CENA 

background{ color SkyBlue }

#declare raio = 2.000;

// textura do céu
  sky_sphere {
    pigment {
      gradient y
      color_map {
        [0.000 0.002 color rgb <1.0, 0.2, 0.0>
                     color rgb <1.0, 0.2, 0.0>]
        [0.002 0.200 color rgb <0.8, 0.1, 0.0>
                     color rgb <0.2, 0.2, 0.3>]
      }
      scale 2
      translate -1
    }
    pigment {
      bozo
      turbulence 0.65
      octaves 6
      omega 0.7
      lambda 2
      color_map {
          [0.0 0.1 color rgb <0.85, 0.85, 0.85>
                   color rgb <0.75, 0.75, 0.75>]
          [0.1 0.5 color rgb <0.75, 0.75, 0.75>
                   color rgbt <1, 1, 1, 1>]
          [0.5 1.0 color rgbt <1, 1, 1, 1>
                   color rgbt <1, 1, 1, 1>]
      }
      scale <0.2, 0.5, 0.2>
    }
    rotate -135*x
  }
  
#declare tx_cristal =
  texture {
    pigment{color White filter 1}
    finish {
      specular 1
      roughness 0.001
      ambient 0.1
      diffuse 0.1
      reflection 0.25      
    }
  }     
  
#declare tx_espelho =
  texture {
    pigment { color Gray20 }
    finish {
      specular 0.20
      roughness 0.05
      ambient 0.05
      diffuse 0.05
      reflection Gray20
    }
  }     

#declare tx_gold =
  texture {
    pigment { color Gold }
    finish {
      specular 0.20
      roughness 0.55
      ambient 0.05
      diffuse 0.05
      reflection Gold
    }
  }   
   


        
plane {
  z,
  0
  //texture{tx_espelho}
  pigment { checker color Black color White scale 5 }
  finish{ambient 0.7 diffuse 0.7}
} 

      
// exibiçao