#include "colors.inc"    // The include files contain
#include "shapes.inc"    // pre-defined scene elements
#include "finish.inc"
#include "metals.inc"
#include "stones.inc"

#version 3.6;

/*
 * A metal door in the Ghost Tower of Inverness.
 *
 * Last modified 5/30/2005 by Denton Gentry.
 */

global_settings {
	assumed_gamma 1.8
	ambient_light rgb<1, 1, 1>
}

#declare T_key = texture {
	pigment { SkyBlue }
	finish { F_MetalA }
}

#declare T_hollow = texture {
	pigment { DarkSlateBlue }
	finish { F_MetalA }
}

object {
	difference {
		union {
			box      { <-20, -10, -20>, <-0.03,  0, 20> }
			box      { <0.03, -10, -20>, <20, 0, 20> }
		}
		union {
			cylinder { <-4,   -.5, -4>,   <-4, 1, -4>, 0.9 }
			cylinder { < 4,   -.5, -4>,   < 4, 1, -4>, 0.9 }
			cylinder { <-4,   -.5,  4>,   <-4, 1,  4>, 0.9 }
			cylinder { < 4,   -.5,  4>,   < 4, 1,  4>, 0.9 }
			
			box      { <-4,   -.5,  3.5>, <   4, 1,  4.5> }
			box      { <-4,   -.5, -3.5>, <   4, 1, -4.5> }
			box      { <-4.5, -.5, 4>,    <-3.5, 1,  -4> }
			box      { < 4.5, -.5, 4>,    < 3.5, 1,  -4> }
			texture { T_hollow }
		}
	}

	texture { T_key }
}

light_source {
	<0, 20, 0>
	color Gray20
}
light_source {
	<10, 20, 0>
	color Gray20
}
light_source {
	<-10, 20, 0>
	color Gray20
}
light_source {
	<0, 20, 10>
	color Gray20
}
light_source {
	<0, 20, -10>
	color Gray20
}


camera {
	location <0, 12, 0>
	look_at  <0, 0, 0>
}

background { color Black }