Method _renew

src/utils/touch-record.ts:143–151

(touch: Touch)

  }

  private _renew(touch: Touch) {
    if (!this._has(touch)) {
      return;
    }

    const tracker = this._touchList[touch.identifier];

    tracker.update(touch);
  }

  private _delete(touch: Touch) {
    delete this._touchList[touch.identifier];