104 lines
2.9 KiB
C#
104 lines
2.9 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class DistanceMeasurement : MonoBehaviour
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{
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public bool isPathCanBePlanned = false;//是否可以规划路径
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public LineRenderer lineRenderer; // 用于绘制路径的线段渲染器
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public Transform[] markers; // 存储所有标记点的数组
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public GameObject PosPrefab;
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public UnmannedAerialVehicleManage unmannedAerialVehicleManage;
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void Start()
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{
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lineRenderer.positionCount = 0;
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}
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void Update()
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{
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if (isPathCanBePlanned)
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{
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if (Input.GetMouseButtonDown(0)&& !IsPointerOverUI())
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{
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Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
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RaycastHit hit;
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if (Physics.Raycast(ray, out hit))
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{
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AddMarker(hit.point);
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}
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}
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if (Input.GetMouseButtonDown(1) && !IsPointerOverUI())
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{
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ClearMarkers();
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}
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}
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}
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bool IsPointerOverUI()
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{
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// 检测当前鼠标位置是否在UI上
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return UnityEngine.EventSystems.EventSystem.current.IsPointerOverGameObject();
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}
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void AddMarker(Vector3 position)
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{
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// 创建一个新的游戏对象作为标记点
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GameObject go = Instantiate(PosPrefab);
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go.transform.position = position;
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// 将新的标记点添加到数组中
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if (markers == null)
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{
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markers = new Transform[] { go.transform };
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}
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else
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{
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Transform[] newMarkers = new Transform[markers.Length + 1];
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markers.CopyTo(newMarkers, 0);
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newMarkers[markers.Length] = go.transform;
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markers = newMarkers;
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unmannedAerialVehicleManage.positions.Enqueue(go.transform.position);
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go.transform.SetParent(transform);
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}
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// 根据新的标记点数组重新绘制路径
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DrawPath();
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}
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void DrawPath()
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{
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if (markers.Length < 2)
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{
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return; // 如果标记点不足两个，则不绘制路径
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}
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// 将所有路径点存储到列表中
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List<Vector3> pathPoints = new List<Vector3>();
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for (int i = 0; i < markers.Length; i++)
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{
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pathPoints.Add(markers[i].position);
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}
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// 绘制路径
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lineRenderer.positionCount = pathPoints.Count;
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lineRenderer.SetPositions(pathPoints.ToArray());
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}
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void ClearMarkers()
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{
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if (markers != null)
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{
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Transform[] newmarkers = new Transform[1];
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newmarkers[0] = markers[0];
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for (int i=1;i< markers.Length; i++)
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{
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Destroy(markers[i].gameObject);
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}
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markers = newmarkers;
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lineRenderer.positionCount = 0;
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unmannedAerialVehicleManage.positions.Clear();
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}
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}
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}
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