//ALUNO: Pedro Henrique Machado Martins

camera{
  location  < 15.00, 10, 5.00 >  // Posi��o do observador.
  right     -1.2*x                // Largura RELATIVA da imagem.
  up        0.9*y                 // Altura RELATIVA da imagem.      
  sky       z                      // Qual dire��o � "para cima"?
  look_at   < -2, 0, 0 >  // Para onde a c�mera est� apontando.
} 
// Nota: os par�metros "right" e "up" devem ter a mesma propor��o
// que os par�metros ${WIDTH} e ${HEIGHT} no Makefile.

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

light_source{
  10 * < +50.0, +30.0, +50.0 >           // Posi��o da l�mpada.
  color rgb 1.0 * < 1.00, 1.00, 1.00 >   // Intensidade e cor da luz.
} 

light_source{
  10 * < +50.0, -10.0, +10.0 >           // Posi��o da l�mpada.
  color rgb 0.5 * < 1.00, 1.00, 1.00 >   // Intensidade e cor da luz.
} 

// ======================================================================
// EIXOS DE COORDENADAS

#macro eixo(ponta,cor,nome)
  union{
    sphere{ <0,0,0>, 0.02 }
    cylinder{ <0,0,0>, 0.91*ponta, 0.02 }
    cone{ 0.90*ponta, 0.06, ponta, 0.00 }
    texture{ pigment{ color rgb cor } finish{ ambient 0.5 diffuse 0.5 } }
  }
#end
#macro eixos(tamanho)
  union{ 
    object{ eixo( <tamanho,0,0>, <1.0,0.2,0.2>, "X") }
    object{ eixo( <0,tamanho,0>, <0.0,0.8,0.0>, "Y") }
    object{ eixo( <0,0,tamanho>, <0.3,0.3,1.0>, "Z") }
  }
#end

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

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

//#include "nuvens.inc"

#declare tx_plastico = 
  texture{
    pigment{ color rgb < 0.50, 0.50, 0.50 > }
    finish{ ambient 0.5 diffuse 0.5 reflection 0.25 * <1,1,1> }
  }

#declare tx_fosca = 
  texture{
    pigment{ color rgb < 1.00, 1.00, 1.00 > }
    finish{ ambient 0.1 diffuse 0.1 reflection 0.8 * <1,1,1> }
  }

#declare tx_espelho = 
  texture{
    pigment{ color rgb < 1.00, 0.90, 0.70 > }
    finish{ diffuse 0.1 reflection 0.8*< 1.00, 0.90, 0.70 > ambient 0.1 }
  }

#declare tx_furo = 
  texture{
    pigment{ color rgb < 0.10, 0.80, 1.00 > filter 0.70 }
    finish{ diffuse 0.01 ambient 0.02}
  }

#declare tx_vidro = 
  texture{
    pigment{ color rgb < 0.97, 0.98, 1.00 > filter 0.70 }
    finish{ diffuse 0.03 reflection 0.25 ambient 0.02 specular 0.25 roughness 0.005 }
  }

#declare tx_world =
   texture{
     pigment{ color rgb < 1.0, 1.0, 1.0 > }
     finish{ diffuse 0.01 ambient 0.02}
   }

// ======================================================================
// DESCRI��O DA CENA 

/*

Sintaxe: prism

prism {
	conic_sweet
	bezier_spline
	altura 1
	altura 2
	nº de pontos
	<p1>,<p2>,...,<pn>
}

lathe {
	bezier_spline
	nº de pontos
	<p1>,<p2>,...,<pn>
}

*/

#declare raio = 2.000;

//Pontos da coluna 1 (lathe)
#declare l11 = <0.50, 0.00>;
#declare l12 = <0.25, 0.25>;
#declare l13 = <0.15, 0.50>;

#declare l22 = <0.15, 1.00>;
#declare l23 = <0.25, 1.25>;

#declare l14 = (l13 + l22)/2;
#declare l21 = l14;

#declare l32 = <0.40, 1.50>;
#declare l33 = <0.30, 1.75>;
#declare l34 = <0.50, 2.00>;

#declare l24 = (l23 + l32)/2;
#declare l31 = l24;

#macro metade_coluna1 ()
	union{
		lathe{
			bezier_spline
			12
			l11,l12,l13,l14,l21,l22,l23,l24, l31, l32, l33, l34
		}
	}
#end

#macro coluna1 ()
	union{
		object{ metade_coluna1() texture {tx_plastico} rotate x*90 }
		object{ metade_coluna1() texture {tx_plastico} rotate x*(-90) }
	}
#end

//Pontos da coluna 2 (prism)

#declare p11 = < 0.00, 1.00 >;
#declare p12 = < -1.00, 1.00 >;
#declare p13 = < -0.25, 0.25 >;
#declare p14 = < -1.00, 0.00 >;

#declare p21 = < -1.00, 0.00 >;
#declare p22 = < -1.00, -1.00 >;
#declare p23 = < -0.25, -0.25 >;
#declare p24 = < 0.00, -1.00 >;

#declare p31 = < 0.00, -1.00 >;
#declare p32 = < 1.00, -1.00 >;
#declare p33 = < 0.25, -0.25 >;
#declare p34 = < 1.00, 0.00 >;

#declare p41 = < 1.00, 0.00 >;
#declare p42 = < 1.00, 1.00 >;
#declare p43 = < 0.25, 0.25 >;
#declare p44 = < 0.00, 1.00 >;

#macro metade_coluna2 ()
	union{
		prism{
			bezier_spline
			0,
			2,
			16,
			p11,p12,p13,p14,p21,p22,p23,p24,p31,p32,p33,p34,p41,p42,p43,p44
		}
	}
#end

#macro coluna2 ()
	union{
		object{ metade_coluna2() texture {tx_plastico} rotate x*90}
		object{ metade_coluna2() texture {tx_plastico} rotate x*90 translate z*(-2)}
		scale<0.50,0.50,0.00>
	}
#end

#macro metade_coluna3 ()
	union{
		prism{
			conic_sweep
			bezier_spline
			-2.00,
			0.50,
			16,
			p11,p12,p13,p14,p21,p22,p23,p24,p31,p32,p33,p34,p41,p42,p43,p44
		}
	}
#end

#macro coluna3 ()
	union{
		object{ metade_coluna3() texture {tx_plastico} rotate x*90 translate z*0.25 }
		object{ metade_coluna3() texture {tx_plastico} rotate x*(-90) translate z*(-0.25) }
		scale <0.25,0.25,0.00>
	}
#end

#macro box_maker (xi, yi, zi)
	box{
		< xi, yi, zi >,
		< 0.0, 0.0, 0.0>
		texture { tx_plastico }
	}
#end

#macro bloco ()
	union{
		box_maker(7.50,5.00,0.50)
	}
#end

// Cena:

union {
	object{ eixos(15.00) }

	//piso
	union{
		object{ bloco() }
	}

	//colunas traseiras
	union{
		object {coluna3() translate <1.0, 1.0, 2.25>}
		object {coluna3() translate <1.0, 4.0, 2.25>}
	}

	//colunas frontais
	union{
		object {coluna2() translate <6.0, 1.5, 2.0>}
		object {coluna2() translate <6.0, 3.5, 2.0>}
	}

	//colunas laterais
	union{
		object {coluna1() translate <2.5, 0.75, 2.0>}
		object {coluna1() translate <2.5, 4.25, 2.0>}
		object {coluna1() translate <3.5, 0.75, 2.0>}
		object {coluna1() translate <3.5, 4.25, 2.0>}
		object {coluna1() translate <4.5, 0.75, 2.0>}
		object {coluna1() translate <4.5, 4.25, 2.0>}
	}

	//teto
	union{
		object{ bloco() scale <0.90,0.90,0.50> translate <0.125,0.25,3.75> }
	}
}