// Last edited on 2003-05-31 11:14:30 by stolfi
// arquivo de descricao de cena para POV-ray
// Laboratório 1 - MC930 - 1S/2003
// Marcelo Bello RA 992119

background{ color rgb < 0.7, 0.7, 0.7 > }

#declare ctr = < 0.00, 1.2, 0.00 >;
camera {
  location  ctr + 1.0 * < 0.00, 3.00, -10.00 >
  right 1.0*x   up 0.75*y
  look_at   ctr
} 

light_source { 100*< -10,  5.00, -20.00 > color rgb 0.8*< 1.00, 1.00, 1.00 > } 
light_source { 100*< -10, 12.00, -15.00 > color rgb 1.2*< 1.00, 1.00, 1.00 > }
light_source { 100*< -3,  35.00, -25.00 > color rgb 0.4*< 1.00, 1.00, 1.00 > }

plane { y,-3 pigment{ checker color rgb <1,1,1>, color rgb <0.8,0.8,0.8> } }

#declare base =
prism
{
  cubic_spline
  0,
  1,
  11,
  <  3,  3 >,
  <  0,  2 >,
  < -3,  3 >,
  < -2,  0 >,
  < -3, -3 >,
  < -0, -2 >,
  <  3, -3 >,
  <  2,  0 >,
  <  3,  3 >,
  <  0,  2 >,
  <  -3, 2 >
  pigment { rgb < 0.7, 0, 0 > }
}


#declare tromba =
lathe
{
    cubic_spline
    9,
    < 0.0, -1.0 >, < 0.0, 0.0 >, < 0.5, 2 >, < 1, 2.5 >, < 0.3, 3>, < 0.6, 3.5 >, < 0.15, 4 >, < 0.3, 4.5 >, < 0.0, 4.5 >
    pigment { rgb < 0.0, 0.0, 0.7  > }
    finish {
      ambient .3
      phong .75
    }
}


union
{
  object { base }
  object { tromba }
}