// tp03 - Dinheiro dá em árvores
// Daniel Camillo Collier Farias RA:059878

// ======================================================================
// 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_grama =
  texture{
     pigment{ color rgb < 0.0, 1.00, 0.0> }
     finish{ diffuse 0.9 ambient 0.1 }
  }

#declare tx_madeira =
  texture{
     pigment{ color rgb <0.521,0.368,0.258> }
     finish{ diffuse 0.9 ambient 0.1 }
  }

#declare tx_darkgreen =
  texture{
     pigment{ color rgb <47/255,79/255,47/255> }
     finish{ diffuse 0.9 ambient 0.1 }
  }


#declare tx_darkgreencopper =
  texture{
     pigment{ color rgb <74/255,118/255,110/255> }
     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> }


#declare tronco = 
union {
   union {
	object { cone { < 0.0, 0.0, 0.0> 1.3  <0.0, 0.0, 4.0> 1} }
        union {
          object { cylinder { < 0.0, 0.0, 0.0>  <0.0, 0.0, 4.0> 1} }
          object { cone { <0.0,0.0,0.0> 1 <0.0,0.0,4.0> 0.0} rotate 30*x translate 3.5*z}
	  rotate 20*x translate 3.5*z
	}
        rotate -40*x
	
   }
   object { cone { <0,0,0> 0.7 <0,0,8> 0} rotate 100*x translate 1*z}
  texture { tx_madeira }
}

#declare dinheiro =
  union {
     difference {
       object{ box {<-0.01,-0.5,0> <0.01,0.5,-2.5>}}
       object{ box {<-0.02,-0.45,-0.05> <0.02,0.45,-2.45>}}
       texture {tx_darkgreen}
     }
     object{ box {<-0.01,-0.45,-0.05> <0.01,0.45,-2.45>} texture {tx_darkgreencopper}}
     object{ cylinder{<-0.02,0,-1.25> <0.02,0,-1.25> 0.25} texture {tx_darkgreen}}
  }
   

//n = numero de recursoes, s é a escala da base, e l a escala do comprimento
#macro ramo(n, s, l)
  #if(n = 0)  
   object{dinheiro translate <0.0,0.0,3.0> } 
  #else
  union{
     union {
        object{cone { <0.0, 0.0, 0.0> 0.3 <0.0,0.0,3.0> 0.0 }}
	union {
          union {
	    ramo(n-1, 0.5, 0.8)
	    rotate 45*y
	    translate 1.3*z      
          }
          union {
	    ramo(n-1, 0.4, 0.9)
	    rotate <-30, 20, 0>
	    translate 2*z
          }
        }
	scale <s,s,0>
        scale l
	texture { tx_madeira }
     } 
  }
  #end
#end

#include "eixos.inc"

// Aqui está a cena, finalmente:

union {
  //object {dinheiro }
  object{ chao texture{ tx_grama } }
  object{ tronco }
  object{ ramo(3, 1.5, 1) rotate 90*x translate <0,3,8>} 
  object{ ramo(4, 1.5, 1) rotate <-90,0,30> translate <0,3,8>} 
  object{ ramo(2, 1.5, 1) rotate <30,20,-45> translate <0,3,8>} 
}

//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 "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 1.00 >;
#declare raio_cena = 25.0;
#declare dir_camera = < 14.00, 7.00, 4.00 >;
#declare dist_camera = 16.0;
#declare intens_luz = 1.00;
camlight(centro_cena, raio_cena, dir_camera, dist_camera , z, intens_luz)