// Sexto exercicio de MP004
// Last edited on 2001-07-30 09:22:28 by stolfi
// Last edited on 2001-06-23 16:09:00 by Marcus Macedo 

background{ color rgb < 0.8, 0.8, 0.8 > }

light_source {
  <  18.00, -10.00, 8.00 >
  color rgb 1.1*< 1.00, 1.00, 1.00 >
}

camera {
  location  <  7.70, 0.00, 1.20 >
  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, -0.10, 1.60 >
} 

#declare vermelho = rgb < 1.00, 0.40, 0.30 >

#declare amarelo = < 1.00, 0.80, 0.00 >

#declare produto =
  cylinder { < 0, 0, 0 >, < 0, 0, 3.0 >, 1.0 texture{ pigment { rgb amarelo } } }

#if (clock < 0.8) 
  #declare texto =
    text { ttf "arial.ttf" "Provvy Super Vitaminado" 0.1, 0 texture{ pigment { vermelho } }
      scale ((0.7-0.2)*clock + 0.2) rotate 90*z rotate 90*y rotate (70*(1-clock/0.8))*x translate < 1.1, -3.0, (2.3-1.3)*(1-clock/0.8) + 1.3 > }
#else
  #declare texto =
    text { ttf "arial.ttf" "Provvy Super Vitaminado" 0.1, 0 texture{ pigment { vermelho } }
      scale ((0.7-0.2)*clock + 0.2) rotate 90*z rotate 90*y translate < 1.1, -(3.0 + (4-3)*(clock-0.8)/(1-0.8)), 1.3 > }
#end

#declare chao =
  plane { z, 0 pigment { color rgb < 0.00, 0.80, 0.90 > } }

// Aqui está a cena, finalmente:
object { chao }
object { produto }
object { texto }