2021-08-17：cocos creator 如何控制 spine 动画的进度

// 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();
}