54 lines
1.4 KiB
C#
54 lines
1.4 KiB
C#
using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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public class DraggableUI : MonoBehaviour,IDragHandler, IPointerDownHandler
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{
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private RectTransform rectTransform;
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private Canvas canvas;
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public RectTransform target;
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public GameObject button;
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public bool isDone=false;
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private void Awake()
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{
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rectTransform = GetComponent<RectTransform>();
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canvas = GetComponentInParent<Canvas>();
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}
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public void OnPointerDown(PointerEventData eventData)
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{
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// 这里可以添加按下时的逻辑，比如记录初始位置
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}
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public void OnDrag(PointerEventData eventData)
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{
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Vector3 screenPosition = new Vector3(eventData.position.x, eventData.position.y,
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Camera.main.WorldToScreenPoint(transform.position).z);
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Vector3 move = Camera.main.ScreenToWorldPoint(screenPosition);
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move.z = transform.position.z;
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transform.position = move;
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//plugSprite.enabled = true;
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}
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void Update()
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{
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// 计算两个物体之间的距离
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float distance = Vector3.Distance(transform.position, target.position);
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// 检查距离是否在范围内，并激活或禁用 Button
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if (distance <= 1&&!isDone)
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{
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button.SetActive(true);
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}
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else
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{
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button.SetActive(false);
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}
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}
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}
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