// Exemplo de arquivo de descricao de cena para POV-ray
// Last edited on 2017-05-07 20:10:09 by stolfilocal

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

background{ color rgb < 1.0, 1.0, 1.00 > }

#declare tx_plastico = 
  texture{
    pigment{ color rgb < 0.10, 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 < 0.8, 0.8, 0.8 > filter 0.70 }
    finish{ diffuse 0.03 reflection 0.1 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
  }
  
 #declare tx_teste =
	texture{
	pigment{ color rgb < 0.9, 0.90, 0.1 > }
    finish{ diffuse 0.8 ambient 0.1 specular 0.5 roughness 0.005 }
	}

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


// Partes da cena:
  

	
 	
#declare tunel =
   union {
    cylinder {
   < 0.00,  0.00, 0.00 >,
    < 0.00, 0.0, 0.8>,
    0.25
    texture{ tx_fosca }
     }
    box {
    <0.0, 2.0, 0.0>,
    <0.0,2.0, 2.0>
    }
   }
   
#declare minaEntrada = 
   union {
    cylinder {
   < 0.00,  0.00, 5.00 >,
    < 0.00, 0.8, 5.0>,
    0.5
     }   
     cone {
  < 0.0, 0.0, 0.2 >,  0.2, < 0.0, 0.0, 1.2>, 0 texture{tx_fosca}
  }
   }
   


#macro mina(cam, tuneis)
  
   #declare r= seed((cam + tuneis) * 2);
   #declare i = 0;
   #declare j = 0;
   #declare pos = array[cam];
   
   #while (i < cam)
    #declare  pos[i] = < 5 * rand(r), 5 * rand(r), 5 * rand(r)>;
    #declare i = i + 1;
   #end
   
   #declare i = 0;
   
   #while (i + 1 < cam)
    #if(i = 0)
    object {minaEntrada translate pos[i]}
    #else
    #end
    
    object {sphere {pos[i], rand(r*0.2) texture{tx_vidro}}}
    
     #if (j < tuneis)
      object {cylinder {pos[i], pos[i + 1], 0.2 texture{tx_fosca}}}
      #declare j = j + 1;
     #else 
     #end
    
    #declare i = i + 1;
    
   #end
   
   
#end
  

#include "eixos.inc"

// Aqui está a cena, finalmente:

union{
  object{ eixos(3.00) }
  mina(6,5)

 }


#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = 6.0;
#declare dir_camera = < 14.00, 7.00, 4.00 >;
#declare dist_camera = 5*raio_cena;
#declare intens_luz = 1.20;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)