setFromPoints( points ) {

		this.makeEmpty();

		for ( let i = 0, il = points.length; i < il; i ++ ) {

			this.expandByPoint( points[ i ] );

		}

		return this;

	}
Sets the upper and lower bounds of this box so it encloses the position data
in the given array.

@param {Array<Vector3>} points - An array holding 3D position data as instances of {@link Vector3}.
@return {Box3} A reference to this bounding box.