// 传入spine与进度比例（注意初始要把spine的TimeScale设置为0）
updateSpine(spine: sp.Skeleton,rate: number) {
const track = spine.getCurrent(0);
const timeEnd = track.animationEnd;
const current = timeEnd * rate;
track.animationStart = current;
spine.setToSetupPose();
}
2021-08-17：cocos creator 如何控制 spine 动画的进度
原文：https://www.cnblogs.com/zhengdidou/p/15153646.html