// Last edited on 2003-04-12 22:39:05 by stolfi
// José Renato Paulon
// Exercicio 6

#include "colors.inc"
#include "textures.inc"
#include "stones.inc"
#include "finish.inc"

#declare fastclock = clock*4;
#declare fastclock2 = (clock-0.2)*2;
#declare fastclock3 = (clock-0.4)*2;
#declare fastclock4 = (clock-0.8)*2;

#declare translacao = (-1*(125*fastclock));
#declare translacao2 = (-1*(125*fastclock2));
#declare translacao3 = (-1*(125*fastclock3));
#declare translacao4 = (-1*(125*fastclock4));	

background{Black}
camera {
 	location <20,45,-185>
  	right 1.2*x  up 0.9*y 
	sky <0,1,0>
	look_at <10,-35,90>
}
light_source {50*<30,30,30> color 1.2*White}
light_source {50*<30,30,-30> color 1.2*White}
light_source {50*<10,3,-10> color 0.5*White}



//sky_sphere{ 
//  pigment {Blue_Sky}
//}


 #declare Gold = texture {
    pigment { BrightGold }
    finish {
      ambient .1
      diffuse .8
      reflection .2
      specular 1
      metallic
    }
  }


#declare cor_metal = <0,1,1>;
#declare tx_metal=
texture{
	pigment{ rgb cor_metal}
    	finish{
		ambient 0.05 diffuse 0.05
		reflection cor_metal
		specular 0.20 roughness 0.05
	}
}


#declare anel = torus {50,7 texture {Gold}}

#declare texto =
text { ttf "timrom.ttf" "O Senhor dos Toroides" 0.25,0  pigment{White}}

#declare texto2 =
text { ttf "timrom.ttf" "Em Breve nos Cinemas" 0.25,0  pigment{White}}





// A animação

object { anel rotate x*-20*fastclock }

#if (clock <= 0.2)
	object {texto scale <30*fastclock,30*fastclock,30*fastclock>
	translate <translacao,0,0>}
#end

#if (clock >= 0.2 & clock <= 0.4  )
	object {texto scale <(30*.4)-(30*fastclock2),(30*.4)-(30*fastclock2),(30*.2)-(30*fastclock2)>
	rotate x*-45*fastclock2
	translate <translacao2,0,0>}
#end

#if (clock >= 0.4 & clock <= 0.8  )
	object {texto2 scale <30*fastclock3,30*fastclock3,30*fastclock3>
	translate <translacao3,0,0>}
#end

#if (clock >= 0.8 & clock <= 1  )
	object {texto scale <(30*.4)-(30*fastclock4),(30*.4)-(30*fastclock4),(30*.4)-(30*fastclock4)>
	rotate x*-45*fastclock4
	translate <translacao4,0,0>}
#end