function Box3( min, max ) {

		this.min = ( min !== undefined ) ? min : new Vector3( + Infinity, + Infinity, + Infinity );
		this.max = ( max !== undefined ) ? max : new Vector3( - Infinity, - Infinity, - Infinity );

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