// Exemplo de arquivo de descricao de cena para POV-ray
// Last edited on 2010-03-04 15:44:01 by stolfi

// ======================================================================
// CORES E TEXTURAS

background{ color rgb < 0.75, 0.80, 0.85 > }

#declare tx_plastico = 
  texture{
    pigment{ color rgb < 1.00, 0.80, 1.00 > }
    finish{ diffuse 0.8 ambient 0.1 specular 0.5 roughness 0.005 }
  }

#declare tx_fosca = 
  texture{
    pigment{ color rgb < 1.00, 0.80, 0.10 > }
    finish{ diffuse 0.9 ambient 0.1 }
  }

#declare tx_espelho = 
  texture{
    pigment{ color rgb < 1.00, 0.85, 0.30 > }
    finish{ diffuse 0.2 reflection 0.7*< 1.00, 0.85, 0.30 > ambient 0.1 }
  }

#declare tx_vidro = 
  texture{
    pigment{ color rgb < 0.85, 0.95, 1.00 > filter 0.70 }
    finish{ diffuse 0.03 reflection 0.25 ambient 0.02 specular 0.25 roughness 0.005 }
  }


#declare tx_xadrez =
  texture{
    pigment{ checker color rgb < 0.10, 0.32, 0.60 >, color rgb < 1.00, 0.97, 0.90 > }
    finish{ diffuse 0.9 ambient 0.1 }
    scale 2.0
  }

// ======================================================================
// DESCRIÇÃO DA CENA 

#declare raio = 2.000;

// Partes da cena:
  
#declare caixa_fora =
box {
	<-2,-2,0> , <5,5,3>
	texture { tx_fosca }
}

#declare caixa_dentro =
box {
	<-1.8,-1.8,0.5> , <4.8,4.8,3.01>
	texture { tx_fosca }
}

#declare bloco01 = 
box {
	<-0.5,-0.5,0.51> , <2.5,2.5,3>
	pigment { color rgb <0,0.5,0.5> }
}

#declare bloco02 = 
box {
	<-0.5,-0.5,3.01> , <2.5,2.5,5.50>
}

#declare bloco03 = 
box {
	<-0.5,-0.5,5.51> , <2.5,2.5,8.00>
}

#declare bolinha = 
sphere {
	<0.85,0.6,3.5>
	0.5
	pigment { color rgb <0.85,0.41,0.12> }
	texture { tx_vidro }
}

#declare chapeu = 
cone {
	<0.85,0.6,4.01> , 0.5
	<0.85,0.6,5> , 0
	texture { tx_fosca }
}
#declare chao = 
  box{ <-20,-20,-1>, <+20,+20,0> }

// ======================================================================
#include "eixos.inc"

// Aqui está a cena, finalmente:

union {
	difference {
		object { caixa_fora }
		object { caixa_dentro }
	}
	object { chao translate < 0,0,0> texture{ tx_xadrez } }

	// Surpresa
	union {
		object { bloco01 translate <1.5,0,1.4> scale <0.3,0.3,0.3> }
		object { bloco02 translate <1.5,0,1.4> scale <0.3,0.3,0.3> 
			 texture { tx_plastico } } 
		object { bloco03 translate <1.5,0,1.4> scale <0.3,0.3,0.3>
			 texture { tx_vidro } }
		object { bolinha }
		object { chapeu }
		translate <0.5,0,0>
	}
}

// ======================================================================
#include "camlight.inc"
#declare centro_cena = < 1.5, 2, 1.00 >;
#declare raio_cena = 9.0;
#declare dir_camera = < 5.50, 12.00, 8.00 >;
#declare dist_camera = 20.0;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)