Unity路线绘制Tool

 1 using UnityEngine;
 2 using System.Collections;
 3 
 4 /// <summary>
 5 /// 自定义绘制路线工具：
 6 /// parentObject: 路线点的父亲对象，需要把Hierachy面板的路线赋值给parentObject
 7 /// pointCounts:路线点数量
 8 /// childObjects: 储存父亲下层子集路点对象集
 9 /// </summary>
10 [ExecuteInEditMode]
11 public class DrawRoadLine : MonoBehaviour {
12     public GameObject parentObject;
13     public int pointCounts;
14     public GameObject[] childObjects;
15     //初始化脚本状态
16     void Awake()
17     {
18         this.enabled = false;
19     }
20     //激活状态动态读取路点
21     void OnEnable()
22     {
23         pointCounts = parentObject.GetComponentsInChildren<Transform>().Length - 1;
24         childObjects = new GameObject[pointCounts];
25         string path = parentObject.name;
26         Debug.Log(path);
27         for (int i = 0; i < pointCounts; i++)
28         {
29             childObjects[i] = GameObject.Find(path + "/Point_" + i);
30         }
31         
32     }
33     //绘制封闭路线
34     void OnDrawGizmos()
35     {
36         if(pointCounts <= 0)
37             return;
38         Gizmos.color = Color.yellow;
39         for (int i = 0; i < pointCounts; i++)
40         {
41             if (i < pointCounts - 1)
42             {
43                 Gizmos.DrawLine(childObjects[i].transform.position, childObjects[i + 1].transform.position);
44             }
45             else
46             {
47                 Gizmos.DrawLine(childObjects[i].transform.position, childObjects[0].transform.position);
48                 break;
49             }
50         }
51     }
52     
53 
54 }