//Tiago Saad - 971717
//projeto

#include "colors.inc"
#include "textures.inc"

background { color red 1 green 1 blue 1}


sky_sphere{
	pigment{
	gradient y
	color_map{
		[0 color rgb<0, 0, .5>]
		[1 color rgb<0, 0, .1>]
	}
	}
}

camera{
	location<8, 8, 8>
	look_at<0, 0, 0>
}

light_source{
	< 10, 10, 10 >
	color rgb <1, 1, 1>
}

light_source{
	<0, 10, 0>
	color rgb<1, 1, 1>
}

plane{
	y,
	0
	pigment {color rgb < 0, 1, 0 >}
}

//palco
#declare alturapalco = .3
#declare raiopalco = 1.5
cylinder{
	<0, .1, 0>
	<0, alturapalco + .1, 0>
	raiopalco
	pigment { color rgb < .5, .5, .5> }
}

// chao
#declare raiochao = 3
cylinder {
	< 0, 0, 0 >
	< 0, .1, 0 >
	raiochao
	pigment { color rgb < .8, 0.8, .8> }
}

//arquibancada
#declare raioarq = 6
#declare todaarq =
sphere{
	< 0, 0, 0 >
	raioarq
	pigment { color rgb < .5, .5, .5 > }
}


#declare arquibancada =
difference{
	// bola inteira
	object{todaarq}
	// corto a parte de cima
	box { 	< -raioarq , raioarq, -raioarq>
		< raioarq, 0, raioarq> }
	// tenho uma meia esfera
}

#declare arqfora=
object{arquibancada
	scale < .2, .5, .5 >
	rotate < 30, 0, 0 >
	translate < 0, 0, -3 >
	pigment { color rgb < 0.5, 0.5, .5>}
}

#declare arqdentro=
object{arquibancada
	scale < .18, .51, .45 >
	rotate < 30, 0, 0 >
	translate < 0, .01, -3 >
	pigment { color rgb < 0, 0, 1>}
}

#declare alturamastro = 4
#declare arq1=
union{
	difference{
		object{arqfora}
		object{arqdentro}
	}

	box{
	< -.2, alturamastro, -.2>
	< .2, -alturamastro, .2>
	pigment{ color rgb < .8, .8, .8 >}
	rotate < 0, 0, 15 >
	translate < 6, 0, 0>
	}

	object { arqdentro
		translate < 0, -.01, 3 >
		rotate < -10, 0, 0>
		translate < 0, .01, -3 >
		pigment { color rgb < .8, .8, .8 > }
	}

}

// criando as 4 arquibancadas
object{ arq1 }
object{ arq1 rotate < 0, 90, 0 > }
object{ arq1 rotate < 0, 180, 0> }
object{ arq1 rotate < 0, 270, 0> }