// Exemplo de arquivo de descricao de cena para POV-ray
// Last edited on 2003-06-28 14:17:54 by stolfi

#include "colors.inc"
#include "stones.inc"

background{ Gray90 }

#declare ctr = <  0.00, 0.00, 2.00 >;
#declare cam = <  8.00, 0.30, 2.00 >;

camera {
  location  ctr + 0.75*cam
  right     1.2*x
  up        0.9*y
  sky       z
  look_at   ctr
} 

light_source { ctr + 100*vrotate(cam +  3.0*y, -40*y) color 1.2*White } 
light_source { ctr + 100*vrotate(cam +  1.0*y, +55*y) color 0.5*White } 
light_source { ctr + 100*vrotate(cam +  0.1*y, +15*y) color 0.8*White } 


#declare tinta_verde = 
  texture {
    pigment { color rgb 2*< 0.00, 1.00, 0.00 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }

#declare tinta_preta = 
  texture {
    pigment { color rgb < 0.00, 0.00, 0.00 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }

#declare tinta_azul = 
  texture {
    pigment { color rgb < 0.40, 0.60, 1.00 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }

#declare tinta_vermelha = 
  texture {
    pigment { color rgb < 1.00, 0.00, 0.00 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }
  
// dimensoes
#declare r1 = 0.4;
#declare h1 = 0.5;

#declare objA = cylinder {<0,0,0>, <0,0,3*h1>, r1 texture{tinta_vermelha}}

#declare objB = difference {
	box {<2*h1, -2*h1, 0>, <-2*h1, 2*h1, h1>}
	cylinder {<0,0,-h1>, <0,0,2*h1>, 1.2*r1}
	texture{tinta_azul    }
}

#declare objC = difference {
	box {<0, -2*h1, 0>, <-2*h1, 2*h1, 3*h1>}
	box {<1, -2.1*h1, 0.9*h1>, <-(2*h1-r1), 2.1*h1, 2.1*h1>}
	cylinder{<0,0,-1>, <0,0,4*h1>, 1.2*r1}
	texture{T_Stone16}
}

// Aqui está a cena, finalmente:
union {

#if (clock <= 0.3)
  #declare z1 = 2.5 -2.5*(clock/0.3);
  object { objA translate<-1,1, z1> }
  object { objB translate<-1,1,-0.5> }
#end

#if ((clock > 0.3)&(clock<=0.6))
  object { objA translate<-1,1, 0> }
  object { objB translate<-1,1,-0.5> }

  object { objC translate<-1,-1,-0.5> rotate <0,0,45>}	
#end

// Faltou cena quando clock > 0.6!

}