clampPoint( point, result ) {

		return result.copy( point )
			.applyMatrix4( this.inverseTransform )
			.clamp( this.box.min, this.box.max )
			.applyMatrix4( this.transform );

	}
Clamps the given point within the bounds of this OBB
@param {Vector3} point
@param {Vector3} result
@returns {Vector3}