// MC930: Exercicio 1 - 28/09/2000

background{ color rgb < 1.00, 1.00, 1.00 > }

light_source {
  < 20.00, 20.00, 20.00 >
  color rgb < 1.00, 1.00, 1.00 >
} 

camera {
  location  < 20.00, 20.00, 20.00 >
  right     < 2.40, 0.00, 0.00 >
  up        < 0.00, 0.00, 1.80 >
  sky       < 0.00, 0.00, 1.00 >
  look_at   < 5.00, 10.00, 2.00 >
} 

#declare tinta_preta = 
  texture {
    pigment { color rgb < 0.00, 0.00, 0.00 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }

#declare tinta_azulescura = 
  texture {
    pigment { color rgb < 0.00, 0.00, 1.00 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }
  
#declare tinta_azulclara = 
  texture {
    pigment { color rgb < 0.20, 0.20, 1.20 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }

#declare roda =
  torus {
    2.0, 0.5 
    texture { tinta_preta }
  }

#declare partetraseira = 
  cylinder {
    <2, 15, 1>,
    <8, 15, 1>,
    5
    texture { tinta_azulescura }
  }

#declare partefrontal1 = 
  cylinder {
    <2, 3, 14>,
    <8, 3, 14>,
    14
    texture { tinta_azulclara }
  }

#declare partefrontal2 = 
  cylinder {
    <2, 16, -6>,
    <8, 16, -6>,
    14
    texture { tinta_azulclara }
  }

#declare partetraseira2 = box {
    < 2, 18, 3>
    < 8, 15, 1>
    texture { tinta_azulescura }
  }


// Cena Final
  object { roda 
    rotate <0, 0, 90>
    translate <1.50, 8.00, 1.00>
  }
  object { roda 
    rotate <0, 0, 90>
    translate <1.50, 16.00, 1.00>
  }
  object { roda 
    rotate <0, 0, 90>
    translate <8.50, 8.00, 1.00>
  }
  object { roda 
    rotate <0, 0, 90>
    translate <8.50, 16.00, 1.00>
  }
  intersection { object {partetraseira2} object {partetraseira}}   
  intersection { object { partefrontal1 } object { partefrontal2 } }