// Exercicio 2  da 3a. aula de Laboratorio - MC930 - Prof. Stolfi
// Eduardo C. Lazarine - RA 970561

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

light_source {
  < 10.00, 20.00, 10.00 >
  color rgb < 1.00, 1.00, 1.00 >
} 

camera {
  location  < 7.00, 7.00, 4.50 >
  right     < 2.40, 0.00, 0.00 >
  up        < 0.00, 0.00, 1.80 >
  sky       < 0.00, 0.00, 1.00 >
  look_at   < 0.00, 0.00, 0.00 >
} 

#declare raio1 = 2.000;
#declare raio2 = 0.250;         
#declare raio3 = 0.500;

#declare cockpit =
  sphere {
    < 0.00, 0.00, 0.00 >, raio1 
  pigment{ color rgb <0,0,1 > }  
  }

#declare suporte =
  cylinder {
    < 0.00, 0.00, 0.00>,
    < 0.00, 0.00, 0.70 >, 
    raio3
    pigment{ color rgb < 1, 0, 1> }
  }


//uma das 4 rodas...
#declare roda =
   cylinder {
    < -0.00, -0.00, -0.00 >,
    < +0.50, +0.00, +0.00 >,
    raio3
    pigment{ color rgb <0,0,0.2> } 
   } 

#declare cauda1 =
  cylinder {
    < +0.00, 0.00, +0.00>,
    < 0.00, +4.50, 0.00>,
     raio3
   pigment{ color rgb <0,0,1>}
  }

#declare cauda2 =
  cylinder {
    < -0.00, 0.00, +0.00>,
    < 0.00, 0.00, +2.00>,
    raio3 
   pigment{ color rgb <0,0,1>}
  }

#declare helice = 
  cylinder {
    < -0.00, -0.00, +0.00 >,
    < +0.00, -4.00, 0.00 >,
    raio2
    pigment{ color rgb <1,1,1>}
  }


// ligacao rodocoptero-rodas
#declare chassi =
   cylinder {
     <0.00, -0.00, 0.00>,
     < 0.00, +0.00, +0.50>, raio2
     pigment{ color rgb <0,0,0.2 > }
    }     

//  barra que segura o eixo  
#declare barra =
    cylinder {
     <0.00, -2.00, 0.00>,
     <0.00, +2.00, 0.00>,
     raio2
     color rgb <0,0,0.2>
    }


//um dos eixos para sustentar as rodas
#declare eixo =
   cylinder{
      <-2.00, 0.00, 0.00>,
      <+2.00, 0.00, 0.00>,
      raio2
    color rgb <0,0,0.2>
      
}



//-----------------------------Montando e mostrando o helicoptero...:


//primeira parte da helice...
  
  object {helice 
          translate <0.00, 0.00, 2.50>
  
  } 

  
//segunda parte da helice.
  
  object {helice
          translate <0.00,+4.00, 2.50>
}



//suporte que conecta a helice ao cockpit...

  object {suporte
           translate<0.00,0.00,+1.80>
}


//primeira parte da cauda
object{cauda1
         translate <0.00, +1.50,+0.50>
}

//segunda parte da cauda
object {cauda2
         translate <0.00, +6.50, 0.00>

}

//chassi
  
object {chassi
         translate <0.00, 0.00,-2.50>
}

//barra de apoio:
object {barra
        translate <0.00, 0.00, -2.50>
}



//eixos das rodas:          

object{ eixo
        translate<0.00,+2.00 ,-2.50>
}

object {eixo
        translate<0.00, -2.00, -2.50>
}

//as 4 rodas e ...

object {roda
        translate<+2.00,+2.00,-2.5>
}

object {roda
        translate<-2.00,+2.00,-2.50>
}

object {roda
        translate<-2.00,-2.00,-2.50>
}

object {roda
       translate<+2.00, -2.00, -2.50>
}
//..finalmente, o cockpit dos 2 passageiros.
  object {cockpit}