function RectAreaLightHelper( light ) {

		Object3D.call( this );

		this.light = light;
		this.light.updateMatrixWorld();

		var materialFront = new MeshBasicMaterial( {
			color: light.color,
			fog: false
		} );

		var materialBack = new MeshBasicMaterial( {
			color: light.color,
			fog: false,
			wireframe: true
		} );

		var geometry = new BufferGeometry();

		geometry.addAttribute( 'position', new BufferAttribute( new Float32Array( 6 * 3 ), 3 ) );

		// shows the "front" of the light, e.g. where light comes from

		this.add( new Mesh( geometry, materialFront ) );

		// shows the "back" of the light, which does not emit light

		this.add( new Mesh( geometry, materialBack ) );

		this.update();

	}
@author abelnation / http://github.com/abelnation
@author Mugen87 / http://github.com/Mugen87