public class Test : MonoBehaviour {
 
 [SerializeField]
 private Image image;
 [SerializeField]
 private List<Sprite> animationSprites = new List<Sprite>();
 
 
 private int AnimationAmount { get { return animationSprites.Count; } }
 public void PlayAnimation()
 {
 if (image == null) image = GetComponent<Image>();
 StartCoroutine(PlayAnimationForwardIEnum());
 }
 
 private IEnumerator PlayAnimationForwardIEnum()
 {
 int index = 0;//可以用來控制起始播放的動畫幀索引
 gameObject.SetActive(true);
 while (true)
 {
  //當(dāng)我們需要在整個(gè)動畫播放完之后 重復(fù)播放后面的部分 就可以展現(xiàn)我們純代碼播放的自由性
  if (index > AnimationAmount - 1)
  {
  index = 50;
  }
  image.sprite = animationSprites[index];
  index++;
  yield return new WaitForSeconds(0.03f);//等待間隔 控制動畫播放速度
 }
 }
}