translate( offset ) {

		this.min.add( offset );
		this.max.add( offset );

		return this;

	}
Adds the given offset to both the upper and lower bounds of this bounding box,
effectively moving it in 3D space.

@param {Vector3} offset - The offset that should be used to translate the bounding box.
@return {Box3} A reference to this bounding box.