// MONUMENTO

#declare centro_do_monumento = <0, 0, 1>

#declare cilindro =
  cylinder{ <0, 0, 0>, <0, 0, 0.8>, 1
    texture{ 
      pigment{ color rgb < 1.00, 0.95, 0.85 > }
    }
  }

#declare teto =
  cylinder{ <0, 0, 0.8>, <0, 0, 1.1>, 1.3
    texture{ 
      pigment{ color rgb < 1.00, 0.90, 0.40 > }
    }
  }

#declare esfera =
  sphere{ <0, 0, 1.1>, 1
    texture{ 
      pigment{ color rgb < 0.30, 0.30, 0.05 > }
    }
  }

#declare risco =
  cylinder{ <-0.01, 0, 1.1>, <0.01, 0, 1.1>, 1.02
    texture{ 
      pigment{ color rgb < 0.30, 0.30, 0.05 > }
    }
  }

#declare parada =
  cylinder{ <0, -0.5, 1.1>, <0, 0.5, 1.1>, 1.1
    texture{ 
      pigment{ color rgb < 0.30, 0.30, 0.05 > }
    }
  }

#declare limite =
  box{ <0, -0.51, 1.1>, <1.1, 0.51, 2.2> }

#declare fimparada =
  cylinder{ <0, -0.6, 1.1>, <0, 0.6, 1.1>, 1.09 }

#declare furo =
  box{ <0.2, -0.2, 1>, <1.08, 0.2, 2.2> }

#declare barra =
  cylinder{ <0, -0.75, 2.2>, <0, 0.75, 2.2>, 0.03
    texture{ 
      pigment{ color rgb < 0.30, 0.30, 0.05 > }
    }
  }

#declare barra2 =
  cylinder{ <1.07, -0.75, 1.1>, <1.07, -0.2, 1.1>, 0.03
    texture{ 
      pigment{ color rgb < 0.30, 0.30, 0.05 > }
    }
  }

#declare viga =
  box{ <1, 0.03, 0>, <1.15, -0.03, 0.8>
    texture{ 
      pigment{ color rgb < 1.00, 0.90, 0.40 > }
    }
  }

#declare furojanela =
  box{ <-0.08, 0.9, 0.35>, <0.08, 1.1, 0.51> }

#declare boxjanela =
  box{ <-0.08, 0.93, 0.35>, <0.08, 1.0, 0.51>
    texture{ 
      pigment{ color rgb < 1.00, 0.95, 0.85 > }
    }
  }

#declare fimboxjanela =
  box{ <-0.07, 0.9, 0.36>, <0.07, 1.1, 0.5>
    texture{ 
      pigment{ color rgb < 1.00, 0.95, 0.85 > }
    }
  }

// PAVIMENTO

#declare pavimento = 
  plane{ z, 0
    texture{ 
      pigment{
        color rgb < 0.1, 0.8, 0.1 >
      }
      normal { bumps 0.8 scale 0.08 }
    }
  }

// FUNDO

background{ color rgb < 0.90, 0.92, 0.95 > }

// EIXOS

#declare eixos_cartesianos = 
  union {
    cylinder { <0,0,0>, <1.1,0,0>, 0.02 pigment { color rgb <1,0,0> } }
    cylinder { <0,0,0>, <0,1.1,0>, 0.02 pigment { color rgb <0,1,0> } }
    cylinder { <0,0,0>, <0,0,1.1>, 0.02 pigment { color rgb <0,0,1> } }
  }

object { eixos_cartesianos }
object { pavimento }
union {
  difference {
    object { cilindro }
    object { furojanela rotate <0, 0, 60> }
    object { furojanela rotate <0, 0, 180> }
    object { furojanela rotate <0, 0, 300> }
  }
  difference {
    object { boxjanela rotate <0, 0, 60> }
    object { fimboxjanela rotate <0, 0, 60> }
  }
  difference {
    object { boxjanela rotate <0, 0, 180 > }
    object { fimboxjanela rotate <0, 0, 180 > }
  }
  difference {
    object { boxjanela rotate <0, 0, 300 > }
    object { fimboxjanela rotate <0, 0, 300 > }
  }
}
object { teto }
difference {
  union {
    object { esfera }
    object { risco }
    object { risco rotate <0, 0, 10>}
    object { risco rotate <0, 0, 20>}
    object { risco rotate <0, 0, 30>}
    object { risco rotate <0, 0, 40>}
    object { risco rotate <0, 0, 50>}
    object { risco rotate <0, 0, 60>}
    object { risco rotate <0, 0, 70>}
    object { risco rotate <0, 0, 80>}
    object { risco rotate <0, 0, 90>}
    object { risco rotate <0, 0, 100>}
    object { risco rotate <0, 0, 110>}
    object { risco rotate <0, 0, 120>}
    object { risco rotate <0, 0, 130>}
    object { risco rotate <0, 0, 140>}
    object { risco rotate <0, 0, 150>}
    object { risco rotate <0, 0, 160>}
    object { risco rotate <0, 0, 170>}
    intersection {
      difference {
        object { parada }
        object { fimparada }
      }
      object { limite }
    }
  }
  object { furo }
}
intersection {
  difference {
    object { parada }
    object { esfera }
    object { furo texture{ pigment{ color rgb < 0.25, 0.25, 0.05 > } } }
  }
  object { furo 
    texture{ pigment{ color rgb < 0.25, 0.25, 0.05 > } }
    scale <0.99, 1.01, 1.01>
  } 
}
object { barra }
object { barra2
  translate <0, 0, -1.1>
  rotate <0, -13, 0>
  translate <0, 0, 1.1>
}
object { viga }
object { viga rotate <0, 0, 60>}
object { viga rotate <0, 0, 120>}
object { viga rotate <0, 0, 180>}
object { viga rotate <0, 0, 240>}
object { viga rotate <0, 0, 300>}

// CÂMARA

#declare centro_da_cena = centro_do_monumento;
#declare raio_da_cena = 1.0;
#declare direcao_da_camera = vnormalize( < 3, 2, -0.2 > );

#declare dist_da_camera = 6.0 * raio_da_cena
#declare pos_da_camera = centro_da_cena + dist_da_camera * direcao_da_camera;
camera {
  location  pos_da_camera
  right     <  -0.64,  0.00,  0.00 >
  up        <   0.00,  0.48,  0.00 >
  sky       z
  look_at   centro_da_cena
}

// ILUMINAÇÃO 

#declare intens_da_luz = 1.25;

light_source {
  <250, 250, 250>
  color rgb intens_da_luz * < 1, 1, 1 >
} 

// HORIZONTE

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>
  }
}