// MC930 - Computacao Grafica
// Primeiro exercicio de laboratorio - 28/09/2000
// Luis Arthur Micai Nunes   RA: 971106

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

light_source { <20, 20.00, 8.00 > 
    color rgb <1.00, 1.00, 1.00>
    }

camera {
    location < 21.00, 18.00, 6.00 >
    look_at  < 13.00, 11.00, 14.00 >
    }


#declare caixa = 
    box {
	< 10.00, 10.00, 10.00 >,
	< 14.00, 14.00, 14.00 >
	texture {  pigment { color rgb < 0.00, 0.0, 1.00 > }
        }
    }

#declare cilindro1 =
    cylinder {
        <11,15,10>,
        <11,15,14>,
        1
        texture {pigment {color rgb < 0,1,0 > }
        }
    }

#declare furo1 =
    cylinder {
        <11,15,9>,
        <11,15,15>,
        0.5
        texture {pigment {color rgb < 0,0,0 > } }

    }

#declare cilindro2 = 
    cylinder {
       <13,15,10>,
       <13,15,14>,
       1
       texture {pigment {color rgb < 0,1,0 > } }
    }

#declare furo2 =
    cylinder {
       <13,15,9>,
       <13,15,15>,
       0.5
       texture { pigment { color rgb < 0, 0, 0> } }
    }

#declare prisma =
    prism {
       linear_sweep
       linear_spline
       8,
       14,
       4
       <15,10>, <18,10>, <16.50,13>,<15,10>
       rotate <-90,0,0>
       translate <0,0,25>
       pigment { color rgb <1,0,0> }
    }

union {
    object { caixa }
    difference {  
        object { cilindro1 }
        object { furo1 }
    }
    difference {
        object { cilindro2 }
        object { furo2 }
    }
    object {prisma}
}