updateTouchEvent( event ) {

		for ( let i = 0; i < this._touchCurrent.length; i ++ ) {

			if ( this._touchCurrent[ i ].pointerId == event.pointerId ) {

				this._touchCurrent.splice( i, 1, event );
				break;

			}

		}

	}
Updates a PointerEvent inside current pointerevents array.

@private
@param {PointerEvent} event - The pointer event.