//
// MC930A - TRABALHO 2 - 05/outubro/2000
//
// Paulo Eduardo Ferreira de Castro - 971379
//

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

light_source {
  < 100.00, 100.00, -100.00 >
  color rgb < 1.00, 1.00, 1.00 >
} 

camera {

  location  < -10.00, 2.00, -30.00 >
  look_at   < 0.00, 10.00, 0.00 >
} 

#declare tinta_A = 
  texture {
    pigment { color rgb < 0.10, 0.80, 1.00 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.6 }
  }

#declare tinta_B = 
  texture {
    pigment { color rgb < 0, 0, 0 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.6 }
  }

#declare tinta_C = 
  texture {
    pigment { color rgb < 1, 1, 0 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.6 }
  }
  
#declare tinta_D =
  texture {
    pigment { color rgb < .5, .5, .5 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.6 }
  }

#declare caixa =
// create a box that extends between the 2 specified points
box
{
  <0, 0, 0>,  // one corner position <X1 Y1 Z1>
  < 20,  10, 10>  // other corner position <X2 Y2 Z2>
  texture { tinta_A }
}

#declare cabine =
cylinder
{
  <0, 0, 0>, <0, 0, 10>, 5
  texture { tinta_C }
} 

#declare roda = 
cylinder {
  <0, 0, 0>, <0, 0, 2>, 2
  texture { tinta_B }
}

#declare eixo = 
cylinder {
  <10, 10, 5>, <10, 12, 5>, 2
  texture { tinta_B }
}

#declare helice =
box
{
  <2, 12, 4>,  // one corner position <X1 Y1 Z1>
  <18, 13, 6>  // other corner position <X2 Y2 Z2>
  texture { tinta_D }
}

  
 
// Aqui está a cena, finalmente:

union { 

  object { caixa }

  object { cabine
     translate <0, 5, 0.01>
     scale <1, 1, .95>
  }
  object { cabine
     translate <20, 5, 0.01>
     scale <1, 1, .95>
  }

  object { roda
     translate <5, 0, 0.01>
  }
  object { roda
     translate <15, 0, 0.01>
  }
  object { roda
     translate <5, 0, 7.99>
  }
  object { roda
     translate <15, 0, 7.99>
  }

  object { eixo }
  object { helice }
}