// Exemplo de arquivo de descricao de cena para POV-ray
// Last edited on 2000-09-21 20:06:05 by stolfi

background{ color rgb < 0.00, 0.03, 0.15 > }

light_source {
  <0.00, 20.00, 0.00 >
  color rgb < 1.00, 1.00, 1.00 >
} 

camera {

  location  <  10.00, 50.00, 80.00 >
  sky < 0,1,0>
  look_at   < 20, 0 ,0>
  angle 30
} 

#declare raio = 2.000;

#declare tinta_A = 
  texture {
    pigment { color rgb < 0.10, 0.80, 1.00 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }

#declare tinta_B = 
  texture {
    pigment { color rgb < 1.00, 0.80, 0.10 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }
  
#declare bola =
  sphere {
    < 0.00, 0.00, 0.00 >, 2.00 
    texture { tinta_A }
  }
  
#declare furo1 = 
  cylinder {
    < -2.00, -2.00, -2.00 >,
    < +2.00, +2.00, +2.00 >,
    0.75
    texture { tinta_B }
  }
  
#declare furo2 = 
  cylinder {
    < -2.00, -2.00, +2.00 >,
    < +2.00, +2.00, -2.00 >,
    0.75
    texture { tinta_B }
  }
 
#declare A1 = < 0, 0, 0 >
#declare A2 = < 0, 0, 4 >
#declare A3 = < 0, 0, 8 >
#declare A4 = < 0, 0, 12 >
#declare A5 = < 5, 2, 0 >
#declare A6 = < 5, 2, 4 >
#declare A7 = < 5, 2, 8 >
#declare A8 = < 5, 2, 12 >
#declare A9 = < 14, 2, 0 >
#declare A10 = < 14, 2, 4 >
#declare A11 = < 14, 2, 8 >
#declare A12 = < 14, 2, 12 >
#declare A13 = < 22, 5, 0 >
#declare A14 = < 22, 5, 4 >
#declare A15 = < 22, 5, 8 >
#declare A16 = < 22, 5, 12 >

#declare B1 = < 22, 5, 0 >
#declare B2 = < 22, 5, 4 >
#declare B3 = < 22, 5, 8 >
#declare B4 = < 22, 5, 12 >
#declare B5 = < 25, 8, 0 >
#declare B6 = < 25, 8, 4 >
#declare B7 = < 25, 8, 8 >
#declare B8 = < 25, 8, 12 >
#declare B9 = < 25, -12, 0 >
#declare B10 = < 25, -12, 4 >
#declare B11 = < 25, -12, 8 >
#declare B12 = < 25, -12, 12 >
#declare B13 = < 36, 5, 0 >
#declare B14 = < 36, 5, 4 >
#declare B15 = < 36, 5, 8 >
#declare B16 = < 36, 5, 12 >

#declare patchA = 
	bicubic_patch{
	type 1
	flatness 0.1
	A1, A2, A3, A4,
	A5, A6, A7, A8,
	A9, A10, A11, A12,
	A13, A14, A15, A16
	texture { tinta_A }	
}

#declare patchB = 
	bicubic_patch{
	type 1
	flatness 0.1
	B1, B2, B3, B4,
	B5, B6, B7, B8,
	B9, B10, B11, B12,
	B13, B14, B15, B16
	texture {tinta_A}		
}

// Aqui está a cena, finalmente:

//difference { 
//  object { bola } 
//  union {
//    object { furo1 }
//    object { furo2 }
object { patchA }
object { patchB }