_compute() {

		let vertex;

		this._computeInitialHull();

		// add all available vertices gradually to the hull

		while ( ( vertex = this._nextVertexToAdd() ) !== undefined ) {

			this._addVertexToHull( vertex );

		}

		this._reindexFaces();

		this._cleanup();

		return this;

	}
Starts the execution of the quick hull algorithm.

@private
@return {ConvexHull} A reference to this convex hull.