constructor( center = new Vector3(), halfSize = new Vector3(), rotation = new Matrix3() ) {

		/**
		 * The center of the OBB.
		 *
		 * @type {Vector3}
		 */
		this.center = center;

		/**
		 * Positive halfwidth extents of the OBB along each axis.
		 *
		 * @type {Vector3}
		 */
		this.halfSize = halfSize;

		/**
		 * The rotation of the OBB.
		 *
		 * @type {Matrix3}
		 */
		this.rotation = rotation;

	}
Constructs a new OBB.

@param {Vector3} [center] - The center of the OBB.
@param {Vector3} [halfSize] - Positive halfwidth extents of the OBB along each axis.
@param {Matrix3} [rotation] - The rotation of the OBB.