function Matrix3() {

		this.elements = new Float32Array( [

			1, 0, 0,
			0, 1, 0,
			0, 0, 1

		] );

		if ( arguments.length > 0 ) {

			console.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' );

		}

	}
@author alteredq / http://alteredqualia.com/
@author WestLangley / http://github.com/WestLangley
@author bhouston / http://clara.io
@author tschw