background{ color rgb < 1.00, 1.00, 1.00 > }

light_source {
  < 0.00, -5.00, 0.50 >
  color rgb < 1.00, 1.00, 1.00 >
}

camera {
  location  <  0.00, -2.00, 1.00 >
  right     < -1.20, 0.00, 0.00 >
  up        <  0.00, 0.00, 0.90 >
  sky       <  0.00, 0.00, 1.00 >
  look_at   <  0.00, 0.00, 0.00 >
}

#declare tinta_azul =
  texture {
    pigment { color rgb < 0.30, 0.00, 1.00 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }

#declare h =
  text {
    ttf "arial.ttf" "H" 0.10, 0.00
    texture { tinta_azul }
    translate -0.4647*x
    translate -0.0353*z
    translate -0.50*y
    rotate 90*x
    rotate -45*z
  }

#declare b =
  text {
    ttf "arial.ttf" "B" 0.10, 0.00
    texture { tinta_azul }
    translate -0.50*y
    rotate 90*x
    rotate 45*z
  }


  #if ( clock <= 1 )
    #declare tempo = 4*clock*(1-clock);
    union {
      object { h
             rotate <0, 0, tempo*45> }
      object { b
             rotate <0, 0, -tempo*45> }
    }
  #else
    // (if clock is > 1, we're on the second phase)
    // we still want to work with  a value from 0 - 1
    #declare ElseClock = clock - 1;
    #declare tempo = 4*ElseClock*(1-ElseClock);

    union {
      object { h
             rotate <0, 0, tempo*45> }
      object { b
             rotate <0, 0, -tempo*45> }
    }
  #end