const { ccclass, property } = cc._decorator;

@ccclass
export default class animationFrame extends cc.Component {

    private intervalTime: number = 0.01;// _间隔时间: 1,
    private currentIntervalTime: number = 0;// 当前间隔时间: 1,
    private time: number = 1;// 最小间隔: 1,
    private changeIntervalTime: number = 0.01;//切换间隔时间: 0.1,
    private flags: boolean = false;

    @property([cc.SpriteFrame])
    public textureArr: cc.SpriteFrame[] = [];// 动画帧组: [cc.SpriteFrame],
    private _index: number = 0;
    // LIFE-CYCLE CALLBACKS:

    // onLoad () {}

    start() {

    }


    update(dt) {
        if (!this.flags) {
            this.currentIntervalTime -= dt;
            if (this.currentIntervalTime <= 0) {
                this.flags = true;
            }
        } else {
            this.time += dt;
            if (this.time >= this.changeIntervalTime) {
                if (this._index < this.textureArr.length) {
                    this.node.getComponent(cc.Sprite).spriteFrame = this.textureArr[this._index];
                    this._index++;
                } else {
                    this._index = 0;
                    this.currentIntervalTime = this.intervalTime;
                    this.flags = false;
                }
                this.time = 0;
            }
        }
    }
}