3d对象池

/**
     * 合成动画
     */
    mergeAni() {
        // let p: Laya.Prefab = Laya.loader.getRes(CPrefab.DiceMerge);
        let p = Laya.Pool.getItemByCreateFun("merge", this.createFunMerge, this);
        var own = p as Laya.View;//p.create()
        return own;
    }

    createFunMerge() {
        let p: Laya.Prefab = Laya.loader.getRes(CPrefab.DiceMerge);
        return p.create();
    }
//     if (this.mergeView != null) {
    //         Laya.Pool.recover("merge", this.mergeView);
    //     }