// Terceiro Exercicio de MC930
// Editado em 19/10
// Alexandre Piccolo RA 961871

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

light_source {
  < 5.00, -20.00, 5.00 >
  color rgb < 1.00, 1.00, 1.00 >
}

camera {
  location  <  8.00, -8.00, 0.00 >
  right     < -1.20, 0.00, 0.00 >
  up        <  0.00, 0.00, 0.90 >
  sky       <  0.00, 0.00, 1.00 >
  look_at   <  0.00, 0.00, 2.00 >
}

#declare raio = 2.000;

#declare tinta_red =
  texture {
    pigment { color rgb < 1, 0, 0 > }
    normal { bumps 0.9 scale 0.75 }
    finish { phong 1 }
  }

#declare tinta_red2 =
  texture {
    pigment { color rgb < 1, 0, 0 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }

#declare tinta_green =
  texture {
    pigment { color rgb < 0, 1, 0 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }
#declare tinta_blue =
  texture {
    pigment { color rgb < 0, 0, 1.00 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }

#declare tinta_ye =
  texture {
    pigment { color rgb < 1.0, 1.0, 0.00 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.5 ambient 0.1 }
  }

#declare tinta_yeBP =
  texture {
    pigment { color rgb <1.0, 1.0, 0.00> }
    normal { bumps 0.3 scale 0.15 }
    finish { phong 1 }
  }


#declare tinta_roxo =
  texture {
    pigment { color rgb < 0.3, 0.3, 0.3 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }

#declare bola1 =
  sphere {
    < 0, 0.00, 2.00 >, 2.00
    texture { tinta_yeBP }
  }

#declare bolaIn =
  sphere {
    < 0, 0.00, 2.00 >, 0.80
    texture { tinta_red }
  }

#declare cabo =
   cylinder {
   <0.00, 0.00, 4.00>,
   <0.00, 0.00, 5.00>,
   0.10
   texture { tinta_green }
   }



#declare Corte =
  box {
    <  0, -8,   0>,  // Near lower left corner
    < 8,  8,  8>
    texture { tinta_yeBP }
  }


// Aqui está a cena, finalmente:
union {
	difference {
	     object { bola1 }
	     Corte
}
	object { bolaIn }
	object { cabo }
}