// Priscilla Sanches Marques - RA 981944
// MC930 - Computação Gráfica
// Exercício #1 -
 
background{ color rgb < 1.00, 1.00, 1.00 > }

light_source {
  < 4.00, 10.00, 30.00 >
  color rgb < 1.00, 1.00, 1.00 >
} 

camera {
  location  <  8.00, 6.00, 3.00 >
  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 >
} 
    
    
// Declaração das cores utilizadas nas figuras    
    
#declare branco = 
  texture {
    pigment { color rgb < 1.00, 1.00, 1.00 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }

#declare preto = 
  texture {
    pigment { color rgb < 0.00, 0.00, 0.00 > }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }      
  
#declare vermelho_transparente = 
  texture {
    pigment { color rgbt <1.00 0.00 0.00, 0.60> }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }    
  }           

#declare  azul_transparente =
  texture {
    pigment { color rgbt <0.0, 0.0, 1.0, 0.70> }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }
                                    
#declare  amarelo =
  texture {
    pigment { color rgb <1.00, 0.80, 0.10> }
    finish { diffuse 0.5 specular 0.5 roughness 0.005 ambient 0.1 }
  }                                    
                                    

#declare quadrado =
  box {
    < 0.00, -4.00, +1.00 >,
    < +2.00, -2.00, +3.00 > 
    texture { azul_transparente }
    rotate <0, 15, 0>
  }

#declare cilindro_1 =
  cylinder {
    <+1.50, +2.25, 0.00>,
    <+1.50, +2.25, +2.00>,
    2.00
    texture { vermelho_transparente }   
    rotate <0, 20, 0>
  }

#declare cilindro_2 =
  cylinder {
    <+1.50, +1.25, +0.00>,
    <+1.50, +1.25, +2.01>,
    0.50
    texture { preto }
    rotate <0, 20 ,0>   
  }

#declare cilindro_3 =
  cylinder {
    <+1.50, +3.25, +0.00>,
    <+1.50, +3.25, +2.01>,
    0.50
    texture { branco }
    rotate <0, 20, 0>   
  }

#declare esfera =
  sphere {
    < 0.00, -4.75, +1.15 >, 1.00 
    texture { amarelo }   
  }  

// A cena :  
  union {
    object { quadrado }
    object { esfera }
  }
  union {
    object { cilindro_1 }
    object { cilindro_2 }
    object { cilindro_3 }
  }