/*************** Company： DX**SrtiptName:RotateImage** Auth：    CW** Des：      ** Ver.:     V1.0.0*************/using UnityEngine;using System.Collections;using UnityEngine.UI;using System.Collections.Generic;using Spine;using Spine.Unity;using UnityEngine.EventSystems;namespace Kernal{   public class RotateImage : MonoBehaviour, IDragHandler    {        public void OnDrag(PointerEventData eventData)        {                       SetDraggedRotation(eventData);        }        private void SetDraggedRotation(PointerEventData eventData)        {            Vector2 curSelfScreenPosition = RectTransformUtility.WorldToScreenPoint(eventData.pressEventCamera, transform.position);            Vector2 directionTo = curSelfScreenPosition - eventData.position;            Vector2 directionFrom = directionTo - eventData.delta;            this.transform.rotation *= Quaternion.FromToRotation(directionTo, directionFrom);        }    }}