using UnityEngine.UI;
using UnityEngine;
using UnityEngine.EventSystems;
using KTGMGemClient;

public class ImageFire1 : GuideImageBase, IDragHandler, IBeginDragHandler, IEndDragHandler
{
    RectTransform rectTransform;//自身Rect
    GameObject target;//推拽到塔位置的标识
    Image tmpImage;//自身图片
    Vector2 pos;//初始坐标
    GameObject levelImage;

    public Vector2 GetStartP
    {
        get
        {
            return pos;
        }
    }
    // Start is called before the first frame update
    private void Awake()
    {
        rectTransform = GetComponent<RectTransform>();
        pos = rectTransform.anchoredPosition;
        tmpImage = GetComponent<Image>();
        levelImage = transform.Find("Image_1").gameObject;

    }
    public override void SetTarget(GameObject target)
    {
        this.target = target;
    }

    Vector3 dragPos;//开始拖拽的临时变量
    public void OnDrag(PointerEventData eventData)
    {
        RectTransformUtility.ScreenPointToWorldPointInRectangle(rectTransform, eventData.position, eventData.enterEventCamera, out dragPos);
        rectTransform.position = dragPos;
    }

    public void OnBeginDrag(PointerEventData eventData)
    {
        isDraging = true;
        tmpImage.raycastTarget = false;
        levelImage.SetActive(false);

    }

    public void OnEndDrag(PointerEventData eventData)
    {
        isDraging = false;
        if (target != null)
        {
            //生成一个1级的水元素塔
            Debug.Log("生成一个1级的火元素塔");
            gameObject.SetActive(false);
            //target.GetComponent<Image>().sprite = tmpImage.sprite;
            EventCenter.Ins.BroadCast((int)KTGMGemClient.EventType.CreateFireLv1);
        }
        else
        {
            rectTransform.anchoredPosition = pos;
            levelImage.SetActive(true);
            tmpImage.raycastTarget = true;
        }
    }
}