/*
*/

#include "retalho.inc"
#include "nuvens.inc"

camera{
  location  < 7.0, 10.0, 5.0 >  // Posição do observador.
  right     -1*x                // Largura RELATIVA da imagem.
  up        1*y                 // Altura RELATIVA da imagem.      
  sky       z                      // Qual direção é "para cima"?
  look_at   <  -2.0, 0.0, 0.0 >  // Para onde a câmera está apontando.
} 

// ======================================================================
// FONTES DE LUZ

light_source{
  10 * < +50.0, -30.0, +50.0 >           // Posição da lâmpada.
  color rgb 1.0 * < 1.00, 1.00, 1.00 >   // Intensidade e corda luz.
} 

light_source{
  10 * < +50.0, 0.0, +10.0 >           // Posição da lâmpada.
  color rgb 0.5 * < 1.00, 1.00, 1.00 >   // Intensidade e corda luz.
} 

light_source{
  10 * < -50.0, 10.0, +50.0 >           // Posição da lâmpada.
  color rgb 1 * < 1.00, 1.00, 1.00 >   // Intensidade e corda luz.
} 

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

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

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

#declare tx_vidro = 
  texture{
    pigment{ color rgb < 0.5, 0.5, 1.00 > filter 0.90 }
    finish{ diffuse 0.03 reflection 0.15 ambient 0.02 specular 0.15 roughness 0.005 }
  }

#declare tx_plastico = 
  texture{
    pigment{ color rgb < 0.20, 0.85, 1.00 > }
    finish{ diffuse 0.9 ambient 0.1 specular 0.5 roughness 0.005 }
  }

#declare tx_metal = 
	texture{
		pigment{ color rgb 1}
		finish{
			ambient 0.5
			diffuse 0.1
			reflection 0.5
		}
	}

#declare tx_xadrez = 
  texture{
    pigment
    { 
    	checker color rgb 0, color rgb 1
    }
    scale 0.1
    //finish{ diffuse 0.9 ambient 0.1 specular 0.5 roughness 0.005 }
  }

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

#declare metadeCarro = 
union
{
	difference	// Carroceria
	{
		union
		{
			#declare p1_32 = <2,1,1>;
			#declare p1_31 = <p1_32.x, 0, p1_32.z>;
			#declare p1_33 = <2,3,2>;
			#declare p1_34 = <2,3,0>;

			#declare p1_22 = <3,1,1>;
			#declare p1_21 = <p1_22.x, 0, p1_22.z>;
			#declare p1_23 = <3,3,2>;
			#declare p1_24 = <2.7,3,0>;

			#declare p1_12 = <3,1,0>;
			#declare p1_11 = <p1_12.x, 0, p1_12.z>;
			#declare p1_13 = <3.5,2,0>;
			#declare p1_14 = <2.8,3,0>;

			/////////////////////

			#declare p2_32 = <-1,1,1>;
			#declare p2_31 = <p2_32.x, 0, p2_32.z>;
			#declare p2_33 = <-1,3,2>;
			#declare p2_34 = <-1,3,0>;

			#declare p2_22 = <0,1,1>;
			#declare p2_21 = <p2_22.x, 0, p2_22.z>;
			#declare p2_23 = <0,3,2>;
			#declare p2_24 = <0,3,0>;

			#declare p2_12 = (p2_22+p1_32)/2;
			#declare p2_11 = <p2_12.x, 0, p2_12.z>;
			#declare p2_13 = (p2_23+p1_33)/2;
			#declare p2_14 = (p2_24+p1_34)/2;

			#declare p1_42 = (p2_22+p1_32)/2;
			#declare p1_41 = <p1_42.x, 0, p1_42.z>;
			#declare p1_43 = (p2_23+p1_33)/2;
			#declare p1_44 = (p2_24+p1_34)/2;

			/////////////////////

			#declare p3_32 = <-4,1,2>;
			#declare p3_31 = <p3_32.x, 0, p3_32.z>;
			#declare p3_33 = <-4,3,2>;
			#declare p3_34 = <-4,3,0>;

			#declare p3_22 = <-3,1,2>;
			#declare p3_21 = <p3_22.x, 0, p3_22.z>;
			#declare p3_23 = <-3,3,2>;
			#declare p3_24 = <-3,3,0>;

			#declare p3_12 = (p3_22+p2_32)/2;
			#declare p3_11 = <p3_12.x, 0, p3_12.z>;
			#declare p3_13 = (p3_23+p2_33)/2;
			#declare p3_14 = (p3_24+p2_34)/2;

			#declare p2_42 = (p3_22+p2_32)/2;
			#declare p2_41 = <p2_42.x, 0, p2_42.z>;
			#declare p2_43 = (p3_23+p2_33)/2;
			#declare p2_44 = (p3_24+p2_34)/2;

			/////////////////////

			#declare p4_32 = <-7,1,2>;
			#declare p4_31 = <p4_32.x, 0, p4_32.z>;
			#declare p4_33 = <-7,3,2>;
			#declare p4_34 = <-6.5,3,0.1>;

			#declare p4_22 = <-6,1,2>;
			#declare p4_21 = <p4_22.x, 0, p4_22.z>;
			#declare p4_23 = <-6,3,2>;
			#declare p4_24 = <-6,3,0>;

			#declare p4_12 = (p4_22+p3_32)/2;
			#declare p4_11 = <p4_12.x, 0, p4_12.z>;
			#declare p4_13 = (p4_23+p3_33)/2;
			#declare p4_14 = (p4_24+p3_34)/2;

			#declare p3_42 = (p4_22+p3_32)/2;
			#declare p3_41 = <p3_42.x, 0, p3_42.z>;
			#declare p3_43 = (p4_23+p3_33)/2;
			#declare p3_44 = (p4_24+p3_34)/2;

			/////////////////////

			#declare p4_42 = <-7,1,0>;
			#declare p4_41 = <p4_42.x, 0, p4_42.z>;
			#declare p4_43 = <-7.5,2,0>;
			#declare p4_44 = <-7.1,3,0>;

			// r1
			object
			{
			retalho(p1_41,p1_42,p1_43,p1_44,
							p1_31,p1_32,p1_33,p1_34,
							p1_21,p1_22,p1_23,p1_24,
							p1_11,p1_12,p1_13,p1_14,
							tx_fosca, tx_metal)
			}

			// r2
			object
			{
			retalho(p2_41,p2_42,p2_43,p2_44,
							p2_31,p2_32,p2_33,p2_34,
							p2_21,p2_22,p2_23,p2_24,
							p2_11,p2_12,p2_13,p2_14,
							tx_fosca, tx_metal)
			}

			// r3
			object
			{
			retalho(p3_41,p3_42,p3_43,p3_44,
							p3_31,p3_32,p3_33,p3_34,
							p3_21,p3_22,p3_23,p3_24,
							p3_11,p3_12,p3_13,p3_14,
							tx_fosca, tx_metal)
			}

			// r4
			object
			{
			retalho(p4_41,p4_42,p4_43,p4_44,
							p4_31,p4_32,p4_33,p4_34,
							p4_21,p4_22,p4_23,p4_24,
							p4_11,p4_12,p4_13,p4_14,
							tx_fosca, tx_metal)
			}
		}
	
		union // Espaco para as rodas
		{
			cylinder {<1, 2, 0>, <1, 4, 0>, 0.75}
			cylinder {<-5, 2, 0>, <-5, 4, 0>, 0.95}
		}
	}
	
	cylinder {<1, 2.4, 0>, <1, 2.8, 0>, 0.65}
	cylinder {<1, 2.5, 0>, <1, 2.85, 0>, 0.55 texture {tx_plastico}}
	
	cylinder {<-5, 2.4, 0>, <-5, 2.8, 0>, 0.85}
	cylinder {<-5, 2.5, 0>, <-5, 2.85, 0>, 0.75 texture {tx_plastico}}
}

object
{
	metadeCarro
}

object
{
	metadeCarro
	scale <0,-1,0>
}