// Exemplo de arquivo de descricao de cena para POV-ray
// Last edited on 2000-09-21 09:50:30 by stolfi

background{ color rgb < 1.00, 1.0, 1.0 > }

//light_source {
//  < 10.00, 50.00, 10.00 >
//  color rgb < 1.00, 1.00, 1.00 >
//}
 
light_source {
  < 100.00, 50.00, 10.00 >
  color rgb < 1.00, 1.00, 1.00 >
} 

light_source {
  < 5, 5.00, 5.00 >
  color rgb < 1.00, 1.00, 1.00 >
} 


camera {
  location  < 8.00, 8.00, -5.00 >
  right     < 2.40, 0.00, 0.00 >
  up        < 0.00, 0.00, 1.80 >
  sky       < 0.00, 0.00, 1.00 >
  look_at   < 0.00, 0.00, 0.00 >
} 


#declare tinta_A = 
  texture {
    pigment { color rgb < 1.0, 0.0, 0.0 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }

#declare tinta_B =  
  texture {
    pigment { color rgb < 0.0, 0.0, 0.00 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }
   
#declare carcaca = 
 prism {
    linear_sweep
    linear_spline
    0, // sweep the following shape from here ...
    4, // ... up through here
    4, // the number of points making up the shape ...
    <-2,0>,<6,0>,<3,3>,<-2,3>
  texture { tinta_A }
  }

#declare roda1 =
 cylinder {
        <0,-0.4,-0.4>,
        <0,0,-0.4>,
        0.4
  texture { tinta_B }
}                  
#declare roda2 =
 cylinder {
        <0,4.4,-0.4>,
        <0,4,-0.4>,
        0.4
  texture { tinta_B }
}       


#declare cilindro =
 cylinder {
        <0,0,-0.4>,
        <0,4,-0.4>,
        0.2
  texture { tinta_B }
}     

declare eixo = 
union {object {cilindro} object {roda1} object {roda2}}

// Aqui está a cena, finalmente:

object {carcaca}
 object { eixo } 
object {eixo
translate <4,0,0>}