// 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 < 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 < 0.85, 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 bolinha = 
  sphere{ < 0,0,0 >, 0.60 }
 
#declare bolota = 
  sphere{ < 0,0,0 >, 1.50 }
 
#declare bola =
  sphere{
    < 0.00, 0.00, 0.00 >, raio 
    texture{ tx_plastico }
  }
  
#declare pino = 
  cylinder{
    < -2.00, +2.00, -1.00 >,
    < +2.00, -2.00, +1.00 >,
    0.75
    texture{ tx_fosca }
  }
  
#declare furo = 
  cylinder{
    < -1.00, -2.00, -2.00 >,
    < +1.00, +2.00, +2.00 >,
    0.75*raio
    texture{ tx_fosca }
  }

#declare chao = 
  box{ <-20,-20,-1>, <+20,+20,0> }

#include "eixos.inc"

// Aqui está a cena, finalmente:

union{
  object{ eixos(3.00) }

  object{ chao  translate < 0,0,-5 > texture{ tx_xadrez } }
  object{ bolota  translate < -2,+1,+3 > texture{ tx_espelho } }
  object{ bolinha translate < +5,+4,+2 > texture{ tx_vidro } interior { ior 1.01 } }

  difference{ 
    union{
      object{ bola } 
      object{ pino }
    }
    object{ furo }
  }
}
*/

#include "eixos.inc"

#declare raio = 2.000;

#declare cabeca = 
	sphere {
		<0, 0, 5>,
		raio
		texture {tx_espelho}
	}

#declare cabeca_sargento = 
	sphere {
		<0,0,5>,
		raio
		texture {tx_plastico}
	}

#declare corpo =
	cone {
		<0, 0, 5>, 0.1,
		<0, 0, 0>, raio
		texture {tx_espelho}
	}

#declare perna = 
	cylinder {
		<0, 0, -3.4>, <0, 0, 0>, raio * 0.3
		texture{tx_espelho}
	}

#declare braco = cylinder {
		<0, 0, 2>, <4, 0, 2>, raio*0.3
		texture{tx_espelho}
	}


#macro soldado(t_x, t_y, t_z)

union {
	object{corpo  translate<0+t_x, 0+t_y, 0+t_z>}
	object{cabeca translate<0+t_x, 0+t_y, 0+t_z>}
	object{perna translate<-0.9+t_x, 0+t_y, 0+t_z>}
	object{perna translate<0.9+t_x, 0+t_y, 0+t_z>}
	object{braco translate<0+t_x, 0+t_y, 0+t_z>}
	object{braco translate<-4+t_x, 0+t_y, 0+t_z>}
}

#end


#macro sargento(t_x, t_y, t_z)

union {
	object{corpo  translate<0+t_x, 0+t_y, 0+t_z>}
	object{cabeca_sargento translate<0+t_x, 0+t_y, 0+t_z>}
	object{perna translate<-0.9+t_x, 0+t_y, 0+t_z>}
	object{perna translate<0.9+t_x, 0+t_y, 0+t_z>}
	object{braco translate<0+t_x, 0+t_y, 0+t_z>}
	object{braco translate<-4+t_x, 0+t_y, 0+t_z>}
}

#end

#macro pelotao(linha, coluna)

	#declare dist = 12;
	#declare i = 0;
	#while (i < coluna)
		#declare j = 0;
		#while (j < linha)	
			#if( 	(j = 0 & i = 0) |
				(j = 0 & i = coluna-1) | 
				(j = linha-1 & i = 0) |
				(j = linha-1 & i = coluna-1) |
				(j = int(linha/2) & i =int( coluna/2)))
				sargento(i*dist, j*dist, 0)
			#else
				soldado(i*dist, j*dist, 0)
			#end
			#declare j = j + 1;
		#end
		#declare i = i+1;
	#end

#end

pelotao(5, 5)

#macro soldado(t_x, t_y, t_z)

union {
	object{corpo  translate<0+t_x, 0+t_y, 0+t_z>}
	object{cabeca translate<0+t_x, 0+t_y, 0+t_z>}
	object{perna translate<-0.9+t_x, 0+t_y, 0+t_z>}
	object{perna translate<0.9+t_x, 0+t_y, 0+t_z>}
	object{braco translate<0+t_x, 0+t_y, 0+t_z>}
	object{braco translate<-4+t_x, 0+t_y, 0+t_z>}
}

#end
#include "camlight.inc"
#declare centro_cena = < 22, 0.00, 0.00 >;
#declare raio_cena = 50.0;
#declare dir_camera = < 0.00, 10.00, 5.00 >;
#declare dist_camera = 320.0;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)