88 lines
3.0 KiB
C#
88 lines
3.0 KiB
C#
using UnityEngine;
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/// <summary>
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/// 物体跟随鼠标移动
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/// </summary>
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namespace ZXK.GYJQR
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{
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public class FollowMouse : MonoBehaviour
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{
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private bool _isFollow = false;
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public bool isFollow
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{
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get
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{
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return _isFollow;
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}
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set
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{
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_isFollow = value;
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if (_isFollow)
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{
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Vector3 screenPos = Camera.main.WorldToScreenPoint(transform.position);
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_cameraToGeoDistance = screenPos.z;
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transform.GetComponent<Rigidbody>().useGravity = false;
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transform.GetComponent<BoxCollider>().isTrigger = true;
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_addForceNumber = 0;
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}
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IsLimitFollow = _isFollow;
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}
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}//是否跟随移动
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[System.NonSerialized]//摄像机和物体之间距离
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private float _cameraToGeoDistance = 0.1f;
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[HideInInspector]
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public PathManager pm;//当前物体上携带的路径动画组件
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[HideInInspector]
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public BoundTrigger _boundTrigger;//边缘检测对象
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//用于限制鼠标移动
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public float MaxLineLength = 1.0f;
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public bool IsLimitFollow = false;
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private int _addForceNumber = 0;//如果鼠标拖拽物体超出范围，给一次向内的力
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private void Start()
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{
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pm = GetComponent<PathManager>();
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}
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public void Update()
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{
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if (isFollow == false)
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{
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return;
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}
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Follow();
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}
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private void FixedUpdate()
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{
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if (IsLimitFollow && pm.limitCenterTran && _boundTrigger)
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{
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Vector3 mousePos = new Vector3(Input.mousePosition.x, Input.mousePosition.y, _cameraToGeoDistance);
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Vector3 mousePosGeo = Camera.main.ScreenToWorldPoint(mousePos);
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float mouseDistance = Vector3.Distance(mousePosGeo, pm.limitCenterTran.position);
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//WDebug.Log(mousePosGeo + "鼠标距离：" + mouseDistance);
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if (mouseDistance > pm.maxValue || mousePosGeo.y < pm.limitYPos)
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{
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if (_boundTrigger)
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{
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_boundTrigger.onOutEdge?.Invoke();
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if (!_boundTrigger.OnNearEdge(transform.tag) && _addForceNumber == 0)
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{
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_addForceNumber++;
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Vector3 force = (pm.limitCenterTran.position - transform.position).normalized;
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transform.GetComponent<Rigidbody>().AddForce(force * 15.0f);
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}
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}
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}
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}
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}
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/// <summary>
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/// 跟随鼠标移动函数
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/// </summary
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private void Follow()
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{
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Vector3 mousePos = new Vector3(Input.mousePosition.x, Input.mousePosition.y, _cameraToGeoDistance);
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transform.position = Camera.main.ScreenToWorldPoint(mousePos);
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}
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}
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}
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