animation 动画播放完成后 回调

1.使用携程

public static IEnumerator PlayAnimation(Animation animation, string ani_name, Action onEnd)
{
    AnimationClip ac = animation.GetClip(ani_name);
    if (ac == null)
    {
        yield return null;
        onEnd?.Invoke();
    }
    else
    {
        animation.Play(ani_name);
        yield return new WaitForSeconds(ac.length);
        onEnd?.Invoke();
    }
}