70 lines
2.0 KiB
C#
70 lines
2.0 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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public class cardcaozuo : MonoBehaviour,IBeginDragHandler,IDragHandler,IEndDragHandler
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{
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[Header("给一个canvas")]
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public Canvas canvas;
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[Header("显示的image")]
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public Image cardIconImage;
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[Header("对应的sprite")]
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public Sprite cardicon;
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[Header("目标点的名字")]
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public string targetTag;
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private Transform recordParent;//记录父节点
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private SpriteAniation spriteAniation;
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// Start is called before the first frame update
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void Start()
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{
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this.cardIconImage.sprite = cardicon;
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spriteAniation = GetComponent<SpriteAniation>();
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spriteAniation.enabled = false;
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}
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// 拖拽开始
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public void OnBeginDrag(PointerEventData eventData)
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{
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this.recordParent = this.transform.parent;
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this.transform.SetParent(canvas.transform);
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//throw new System.NotImplementedException();
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}
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// 拖拽中
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public void OnDrag(PointerEventData eventData)
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{
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this.transform.position = Input.mousePosition;
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}
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// 拖拽结束
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public void OnEndDrag(PointerEventData eventData)
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{
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// 检测鼠标下的目标
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List<RaycastResult> results = new List<RaycastResult>();
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EventSystem.current.RaycastAll(eventData, results);
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foreach (var result in results)
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{
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if (result.gameObject.CompareTag(targetTag)) // 检测目标是否为目标点
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{
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Debug.Log("成功放置到目标区域！");
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transform.SetParent(result.gameObject.transform); // 设置为目标点的子物体
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transform.localPosition = Vector3.zero; // 重置位置
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this.enabled = false;//禁用自己
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spriteAniation.enabled = true;
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return;
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}
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}
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// 如果不在目标区域，返回原始父节点
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Debug.Log("未放置到目标区域，返回原位置");
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transform.SetParent(recordParent);
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transform.localPosition = Vector3.zero; // 重置到原始位置
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}
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}
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