function Frustum( p0, p1, p2, p3, p4, p5 ) {

		this.planes = [

			( p0 !== undefined ) ? p0 : new Plane(),
			( p1 !== undefined ) ? p1 : new Plane(),
			( p2 !== undefined ) ? p2 : new Plane(),
			( p3 !== undefined ) ? p3 : new Plane(),
			( p4 !== undefined ) ? p4 : new Plane(),
			( p5 !== undefined ) ? p5 : new Plane()

		];

	}
@author mrdoob / http://mrdoob.com/
@author alteredq / http://alteredqualia.com/
@author bhouston / http://clara.io