#VRML V2.0 utf8
#
#  Donut
#  donut.wrl
#        by David R. Nadeau
#        published in "The VRML 2.0 Sourcebook" by Ames, Nadeau, and Moreland
#
#  Illustrate the use of an Extrusion to build a donut (torus).
#

WorldInfo {
	title "Donut"
	info [ "Copyright (c) 1997, Andrea L. Ames, David R. Nadeau, John L. Moreland" ]
}

Viewpoint {
	position 0.0 0.0 11.0
	description "Entry view"
}

NavigationInfo {
	type [ "EXAMINE", "ANY" ]
	headlight TRUE
}

Shape {
	appearance Appearance {
		material Material {
			diffuseColor 1.0 0.0 1.0
		}
	}
	geometry Extrusion {
		creaseAngle 1.57
		beginCap FALSE
		endCap   FALSE
		crossSection [
		# Circle
			 1.00  0.00,   0.92 -0.38,
			 0.71 -0.71,   0.38 -0.92,
			 0.00 -1.00,  -0.38 -0.92,
			-0.71 -0.71,  -0.92 -0.38,
			-1.00 -0.00,  -0.92  0.38,
			-0.71  0.71,  -0.38  0.92,
			 0.00  1.00,   0.38  0.92,
			 0.71  0.71,   0.92  0.38,
			 1.00  0.00
		]
		spine [
		# Circle
			 2.00 0.0  0.00,   1.85 0.0 0.77,
			 1.41 0.0  1.41,   0.77 0.0 1.85,
			 0.00 0.0  2.00,  -0.77 0.0 1.85,
			-1.41 0.0  1.41,  -1.85 0.0 0.77,
			-2.00 0.0  0.00,  -1.85 0.0 -0.77,
			-1.41 0.0 -1.41,  -0.77 0.0 -1.85,
			 0.00 0.0 -2.00,   0.77 0.0 -1.85,
			 1.41 0.0 -1.41,   1.85 0.0 -0.77,
			 2.00 0.0  0.00,
		]
	}
}