copy( obb ) {

		this.center.copy( obb.center );
		this.halfSize.copy( obb.halfSize );
		this.rotation.copy( obb.rotation );

		return this;

	}
Copies the values of the given OBB to this instance.

@param {OBB} obb - The OBB to copy.
@return {OBB} A reference to this OBB.