// Ivan Francisco Coutinho Costa
// Last edited on 2003-05-31 15:08:09 by stolfi
// RA 001833
// MC930 - TP 9 - face humana
// Data 20/05/2003

#include "colors.inc"

#declare imgname = "face2.gif";

#declare ctr = <0,-1.5,0>;
camera {
    location ctr + 1.1* <0, 5, -10>
    right 1.0*x  up 0.50*y  sky y
    look_at ctr
 }

light_source { <-10, 12, -10> color 1.2*White }
light_source { <+10,  7, -10> color 0.8*White }
light_source { <+3,   3, -10> color 0.4*White }


plane {
  y, -8
  pigment { color Gray } 
}

plane {
  -z, -8
  pigment { color Gray } 
}

#declare cabeca_humana =
blob {
    threshold .65

    sphere { <0.0, 0.0, 0.0>, .8, 1 }  
    sphere { <0.0, -0.4, -0.1>, .4, 1 } 
    sphere { <0.0, -0.6, -0.1> , .6, 1 }    
    sphere { <0.0, -0.8, 0.0> , .4, 1 }

    //    finish { phong 2 }
  }

#declare cabeca_humana2=
      sphere {<0,0,0>, 1 pigment { Blue } } 

#declare cabeca_humana1 =
      difference { 
           object {cabeca_humana2}
           sphere { <0,0,0.1>, 1 }
      }



#declare esc=1;
#declare e=1;

#declare cabeca_com_face=
	object { cabeca_humana
                 pigment {image_map { gif imgname once } scale <e,e,e> translate <-0.5,-0.8,0> }
                 scale <esc,esc,esc> }



// a cena
#declare cena = 
  object { cabeca_com_face scale <4,4,4> }
  // object { cabeca_humana2 }

object { cena }
object { cena rotate +53*y translate -3*x }
object { cena rotate -53*y translate +3*x }