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84 lines
3.1 KiB
84 lines
3.1 KiB
4 years ago
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using System;
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using AX.InputSystem;
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using UnityEngine;
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using UnityEngine.EventSystems;
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/// <summary>
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/// UI拖拽脚本，想拖拽谁就挂在谁身上。必须保证该UI有Raycast Target组件，并使其保持开启状态。
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/// </summary>
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[RequireComponent(typeof(CreateStaticObjID))]
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[RequireComponent(typeof(BaseGameObjInfo))]
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public class OnDragPanel : MonoBehaviour, IDragHandler,IBeginDragHandler,IEndDragHandler
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{
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private RectTransform canvasRect;
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private RectTransform transRect;
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private Vector2 localPos;
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private Vector2 offSet;
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private void Start()
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{
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canvasRect = GameObject.Find("Canvas").GetComponent<RectTransform>();
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transRect = GetComponent<RectTransform>();
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offSet= localPos = Vector3.zero;
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}
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public void OnBeginDrag(PointerEventData eventData)
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{
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if (eventData.button != PointerEventData.InputButton.Left) return;//不是左键按下就不能拖拽
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var arg = new OnDragCmdArgs();
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arg.position = eventData.position;
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RegisterUIInputEvent.RegisterUIInputHistory(gameObject, this.GetType().Name, "BeginDrag", arg);
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BeginDrag(arg);
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}
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public void BeginDrag(OnDragCmdArgs args)
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{
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if (RectTransformUtility.ScreenPointToLocalPointInRectangle(canvasRect, args.position, canvasRect.GetComponent<Canvas>().worldCamera, out localPos))
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{
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offSet = localPos - new Vector2(transRect.localPosition.x, transRect.localPosition.y);
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InputManager.isDargUI = true;
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transform.SetAsLastSibling();
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}
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}
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public void OnDrag(PointerEventData eventData)
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{
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if (eventData.button != PointerEventData.InputButton.Left) return;//不是左键按下就不能拖拽
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var arg = new OnDragCmdArgs();
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arg.position = eventData.position;
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arg.currentCursorPos = Input.mousePosition;
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//arg.EventCamera = eventData.pressEventCamera; ********摄像机不能记录**********
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RegisterUIInputEvent.RegisterUIInputHistory(gameObject, this.GetType().Name, "Drag", arg);
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Drag(arg);
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}
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public void Drag(OnDragCmdArgs args)
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{
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if (GameSettings.othersSettings.playState == PlayState.Playing)
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{
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CursorManager.GetInstance.SetClick(args);
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}
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if (RectTransformUtility.ScreenPointToLocalPointInRectangle(canvasRect, args.position, canvasRect.GetComponent<Canvas>().worldCamera, out localPos))
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{
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transRect.localPosition = localPos - offSet;
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}
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}
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public void OnEndDrag(PointerEventData eventData)
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{
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if (eventData.button != PointerEventData.InputButton.Left) return;//不是左键按下就不能拖拽
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var arg = new OnDragCmdArgs();
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arg.currentCursorPos = Input.mousePosition;
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RegisterUIInputEvent.RegisterUIInputHistory(gameObject, this.GetType().Name, "EndDrag", arg);
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EndDrag(arg);
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}
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public void EndDrag(CmdArgs args)
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{
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if (GameSettings.othersSettings.playState == PlayState.Playing)
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{
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CursorManager.GetInstance.SetClick(args);
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}
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InputManager.isDargUI = false;
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}
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}
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