Method returnObject

packages/fairygui/src/core/GObjectPool.ts:64–76

* Return object to pool * 将对象归还到池中 * * @param obj GObject to return | 要归还的 GObject

(obj: GObject)

     * @param obj GObject to return | 要归还的 GObject
     */
    public returnObject(obj: GObject): void {
        const url = obj.resourceURL;
        if (!url) return;

        let arr = this._pool.get(url);
        if (!arr) {
            arr = [];
            this._pool.set(url, arr);
        }

        this._count++;
        arr.push(obj);
    }
}