#include "colors.inc"

background{ color rgb<1,1,1> }

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

light_source {
  10 * < +50.0, +30.0, +50.0 >              // Posição da lâmpada.
  color rgb 1.2 * < 1.00, 1.00, 1.00 >   // Intensidade e corda luz.
} 

light_source {
  10 * < +50.0, -10.0, +10.0 >             // Posição da lâmpada.
  color rgb 0.8 * < 1.00, 1.00, 1.00 >   // Intensidade e corda luz.
} 

light_source {
   < 4.0, 10.0, 30.0 >             // Posição da lâmpada.
  color rgb 0.8*< 1.00, 1.00, 1.00 >   // Intensidade e corda luz.
} 

// ======================================================================



camera {
  location  <  4.00, 4.00, 20.00>
  right     < -0.60, 0.00, 0.00 >
  up        <  0.00, 0.00, 0.80 >
  sky       <  0.00, 0.00, 1.00 >
  look_at   <  4.00, 4.00, 0.00 >
} 






//eixos
  
#declare eixox = 
cylinder {
    < -5.00, 0.00,  0.00 >,
    < 5.00, 0.00,  0.00 >,
    0.05
    pigment { color Black }
}

#declare eixoy = 
cylinder {
    < 00, -5.00,  0.00 >,
    < 00, 5.00,  0.00 >,
    0.05
    pigment { color Black }
}

#declare eixoz = 
cylinder {
    < 0.0, 00,  -5.00 >,
    < 0.0, 00,  5.00 >,
    0.05
    pigment { color Black }
}





#declare host =
sphere {
< 0, 0, 0 >,0.5
pigment{color Black}
}

#declare enlace = 
cylinder {
    < 0.0, -2.0,  0.00 >,
    < 0.0, 2.0,  0.00 >,
    0.1
pigment{color Yellow}
   
}



#declare i=0;
#declare j=0;

#while (j < 3)
 #while (i < 3)
  object { host translate 4*i*y 
	        translate 4*j*x}
   #declare k=0;
   #while (k <3)
      #if(j < 2) 
	#if(i < 2)
	  
    		object { enlace
  			translate <0,2,0>
			translate 4*i*y 
			translate 4*k*x
			 pigment { color Yellow }	}
		object {enlace 
			   rotate z*90
			   translate <2,0,0>
			   translate 4*j*x 
			   translate 4*k*y}
	  
	 #end
       #end
	 #declare k=k+1;
   #end
  #declare i=i+1;
 #end
#declare i=0;
#declare j=j+1;
#end


#declare pacote =
box{
<-0.5,-0.50,0>
<0.5,0.5,0.3>
}


//caminho



#declare p=0;

 #declare fonte=seed(123456);

#if(clock<=0.25)
	#declare p1=1;
	#declare p2=0;
	#declare p3=0;
	#declare p4=0;
	#declare time=(clock)/(0.25);
       

#else
   #if(clock>0.25)
	#if(clock<=0.5)
        #declare p1=0;
	#declare p2=1;
	#declare p3=0;
       #declare p4=0;
	#declare time=(clock-0.25)/(0.5-0.25);
	
       
   	#else
        #if(clock<=0.75)
      	 #declare p1=0;
	 #declare p2=0;
	 #declare p3=1;
	 #declare p4=0;
	 #declare time=(clock-0.5)/(0.75-0.5);
        #else
	 #declare p1=0;
	 #declare p2=0;
	 #declare p3=0;
	 #declare p4=1;
	 #declare time=(clock-0.75)/(1-0.75);

        #end
       
       #end
    #end
#end




//4 direcoes possiveis

#declare pos1=time*(4);
#declare pos2=(1-time)*(4)+time*(8);
#declare pos3=(1-time)*(8)+time*(4);
#declare pos4=(1-time)*(4);


#declare p=0;

    #while(p<20)

           #declare r = rand(fonte);
           #if(r<=0.25)
           object{pacote pigment{color rgb<r,1-r,r>}
		      translate p1*<pos1,0,0>
                      translate p2*<4,pos1,0>
		      translate p3*<pos2,4,0>
                      translate p4*<8,pos2,0>	
		  }
           
           #else
	   #if(r<=0.5)
           object{pacote pigment{color rgb<r,1-r,r>}
			translate p1*<0,pos1,0>
                        translate p2*<0,pos2,0>
			translate p3*<pos1,8,0>	
			translate p4*<4,pos3,0>	
		  }
            #else
	     #if(r<=0.75)
           	 object{pacote pigment{color rgb<r,1-r,r>}
			translate p1*<8,pos1,0>
                        translate p2*<8,pos2,0>
			translate p3*<8,pos3,0>	
			translate p4*<8,pos4,0>	
		  }
	     #else
           	 object{pacote pigment{color rgb<r,1-r,r>}
			translate p1*<4,pos2,0>
                        translate p2*<pos4,8,0>
			translate p3*<0,pos3,0>	
			translate p4*<0,pos4,0>	
		  }

	    	
	     #end
	   #end
		
          #end
	   
      #declare p=p+1;
      #end

  
// Aqui está a cena, finalmente:

union {
      
//object{eixox}
//object{eixoy}
//object{eixoz}
}