threejs-obj-space/js/three.js-master/examples/models/vrml/test/lines.wrl

#VRML V2.0 utf8
#IndexedLineSet example
Shape {
	geometry IndexedLineSet {
		coord Coordinate {
			point [
				-1.0 -1.0 0.0, #vertex 0
				1.0 1.0 0.0, #vertex 1
				1.0 -1.0 0.0, #vertex 2
			]
		}
		colorPerVertex FALSE
		color Color {
			color [
				1.0 0.0 0.0, #red
				0.0 1.0 0.0, #green
				0.0 0.0 1.0, #blue
			]
		}
		coordIndex [
			#red line
			0, 1, -1,
			#green line
			1, 2, -1,
			#blue line
			2, 0, -1
		]
		colorIndex [
			2, 1, 0
		]	
	}
}