//Nome: Rodrigo de Sousa Serafim da Silva
//RA: 118607
//Laboratório 3

// ======================================================================
// 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 }
  }



#include "eixos.inc"

#declare CC = 6.2832; // = 2pi

#macro esfera_no (nn,rr,dd)
union{
   #declare tt = 0;
   #while(tt < 1)
      sphere{<10*sin(tt*CC),10*sin(2*tt*CC),10*cos(3*tt*CC)>,rr texture{tx_fosca}}
      #declare tt = tt + 1/dd;
  #end

}
#end

#macro esfera_quadrado (nn,rr,dd)
union{
   #declare tt = 0;
   #while(tt < 1)
      #if(tt< 0.25)
         sphere{<0,40*tt,0>,rr texture{tx_fosca}}
      #else
      #if(tt<0.5)
         sphere{<0,10,40*(tt-0.25)>,rr texture{tx_fosca}}
      #else
      #if(tt<0.75)
         sphere{<0,10-40*(tt-0.5),10>,rr texture{tx_fosca}}
      #else
         sphere{<0,0,40*(tt-0.75)>,rr texture{tx_fosca}}
      #end
      #end
      #end
      #declare tt = tt + 1/dd;
  #end
}
#end

#macro esfera_curva1 (nn,rr,dd)
union{
   #declare tt=0;
   #while (tt<1)
      #if(tt<0.05)
         sphere{<0,1-sin(5*CC*tt),1-cos(5*CC*tt)>, rr texture{tx_fosca}}
      #else
      #if(tt<0.15)
         sphere{<0,1+4*10*(tt-0.05),0>,rr texture{tx_fosca}}
      #else
      #if(tt<0.25)
         sphere{<0,5+sin(2.5*CC*(tt-0.15)),1-cos(2.5*CC*(tt-0.15))>, rr texture{tx_fosca}}
      #else
      #if(tt<0.35)
         sphere{<0,6,1+6*10*(tt-0.25)>,rr texture{tx_fosca}}
      #end
      #end
      #end
      #end
      #declare tt = tt+1/dd;
   #end
}
#end

//object{esfera_no(1,0.4,1000)}
//object{esfera_quadrado(1,0.4,1000)}
object{esfera_curva1 (1,0.4,1000)}

#include "camlight.inc"
#declare centro_cena = < 0.00, 0.00, 0.00 >;
#declare raio_cena = 30;
#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)