// Exercicio 3

background{ color rgb < 0.00, 0.53, 0.75 > }

light_source {
  < 4.00, 10.00, 50.00 >
  color rgb < 1.00, 1.00, 1.00 >
} 

camera {
  location  <  8.00, 4.00, 2.00 >
  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_A = 
  texture {
    pigment { color rgb < 0.10, 0.80, 1.00 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }

#declare tinta_B = 
  texture {
    pigment { color rgb < 1.00, 0.80, 0.10 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }
  
#declare ponta_aviao =
  sphere {
    < 0.00, 0.00, 0.00 >, 0.50 
    texture { tinta_A }
    scale <2.00,0.00,0.00>
    translate < 4.30, 0.00, 0.00 >
  }
  
#declare meio_aviao = 
  cylinder {
    < -3.20, 0.00, 0.00 >,
    <  3.20, 0.00, 0.00 >,
    0.50
    texture { tinta_A }
  }
#declare asa_fundo =   
cone {
    <1, 1, 1>, 0.5   
    <2, 1, 2.5>, 0.01
    rotate 45*z   
    texture { tinta_B }
  }

#declare remo =
union {
box {
    <-3.5, 0,   0.18>,  // Near lower left corner
    < 4, 0.18,  0>   // Far upper right corner
    texture {
      tinta_B     
      scale 4 
    }
    rotate z*60     // Equivalent to "rotate <0,20,0>"
  }
}

union{
  object { ponta_aviao translate <0.00,0.00,0.00> } 
  object { meio_aviao  translate <1.00,0.00,0.00> }
  object { asa_fundo   translate <-1.70,-1.20,-1.00> }
  object { remo  rotate z*20 translate <2.80,-1.20,0.00> }               
  object { remo  rotate z*20 translate <1.70,-1.20,0.00> }               }