airWar/airPlay/assets/Scene/monsterFactory.ts

// Learn TypeScript:
//  - https://docs.cocos.com/creator/2.4/manual/en/scripting/typescript.html
// Learn Attribute:
//  - https://docs.cocos.com/creator/2.4/manual/en/scripting/reference/attributes.html
// Learn life-cycle callbacks:
//  - https://docs.cocos.com/creator/2.4/manual/en/scripting/life-cycle-callbacks.html

const {ccclass, property, executeInEditMode, playOnFocus} = cc._decorator;

@ccclass
@executeInEditMode
@playOnFocus
export default class MonsterFactory extends cc.Component {

    @property(cc.Prefab) monster: cc.Prefab = null;
    @property(cc.AnimationClip) aniClip:cc.AnimationClip = null;

    @property(cc.Integer)
    public get num(): number {
        return this._num;
    }
    public set num(value: number) {
        this._num = value;
        if(!CC_EDITOR) return;
        this.play();
    }
    @property(cc.Integer)
    private _num: number = 0;
    @property(cc.Integer)
    public get time(): number {
        return this._time;
    }
    public set time(value: number) {
        this._time = value;
        if(!CC_EDITOR) return;
        this.play();
    }
    @property(cc.Integer)
    private _time: number = 1;

    protected start(): void {
        this.play();
    }

    protected play(): void {
        this.node.destroyAllChildren();
        for (let index = 0; index < this.num; index++) {
            let node = cc.instantiate(this.monster);
            let ani = node.addComponent(cc.Animation);
            ani.addClip(this.aniClip)

            node._objFlags |= cc.Object.Flags.DontSave | cc.Object.Flags.LockedInEditor;

            node.active = false;
            this.node.addChild(node);

            setTimeout(() => {
                node.active = true;
                ani.play('path1');
            }, 1000 * this.time * index);
        }
    }
}